Merge "Refactor : Hide wayland operations from Window Manager"

16 files changed, 946 insertions, 2432 deletions

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 223dd33..d8f1143 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -14,10 +14,9 @@
 # limitations under the License.
 #
 
-wlproto(IVI_CON ivi-wm)
-
 include(FindPkgConfig)
 pkg_check_modules(AFB REQUIRED afb-daemon)
+pkg_check_modules(ILM REQUIRED ilmControl ilmCommon)
 pkg_check_modules(SD REQUIRED libsystemd>=222)
 
 # We do not want a prefix for our module
@@ -27,23 +26,22 @@ set(TARGETS_WM windowmanager-service)
 
 add_library(${TARGETS_WM} MODULE
    main.cpp
-   wayland_ivi_wm.cpp
    util.cpp
-   layout.cpp
-   ${IVI_CON_PROTO}
    json_helper.cpp
+   applist.cpp
+   request.cpp
+   pm_wrapper.cpp
    window_manager.cpp
-   wm_layer.cpp
    wm_client.cpp
    wm_error.cpp
-   applist.cpp
-   request.cpp
-   pm_wrapper.cpp)
+   wm_layer.cpp
+   wm_layer_control.cpp)
 
 target_include_directories(${TARGETS_WM}
     PRIVATE
         ${AFB_INCLUDE_DIRS}
         ${SD_INCLUDE_DIRS}
+        ${ILM_INCLUDE_DIRS}
         ../include
         ../src
         ../${PLUGIN_PM})
@@ -52,6 +50,7 @@ target_link_libraries(${TARGETS_WM}
     PRIVATE
         ${AFB_LIBRARIES}
         ${WLC_LIBRARIES}
+        ${ILM_LIBRARIES}
         ${SD_LIBRARIES}
         ${PLUGIN_PM})
 
diff --git a/src/controller_hooks.hpp b/src/controller_hooks.hpp
deleted file mode 100644
index dd0a3aa..0000000
--- a/src/controller_hooks.hpp
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef TMCAGLWM_CONTROLLER_HOOKS_HPP
-#define TMCAGLWM_CONTROLLER_HOOKS_HPP
-
-#include <cstdint>
-
-#include <functional>
-
-namespace wm
-{
-
-class WindowManager;
-
-struct controller_hooks
-{
-    WindowManager *wmgr;
-
-    void surface_created(uint32_t surface_id);
-    void surface_removed(uint32_t surface_id);
-    void surface_visibility(uint32_t surface_id, uint32_t v);
-    void surface_destination_rectangle(uint32_t surface_id, uint32_t x, uint32_t y, uint32_t w, uint32_t h);
-};
-
-} // namespace wm
-
-#endif // TMCAGLWM_CONTROLLER_HOOKS_HPP
diff --git a/src/json_helper.cpp b/src/json_helper.cpp
index cf13363..72ae36a 100644
--- a/src/json_helper.cpp
+++ b/src/json_helper.cpp
@@ -17,66 +17,6 @@
 #include "json_helper.hpp"
 #include "util.hpp"
 
-json_object *to_json(compositor::surface_properties const &s)
-{
-    // auto j = json::object({
-    auto j = json_object_new_object();
-
-    //    {"id", s.id},
-    json_object_object_add(j, "id", json_object_new_int(s.id));
-
-    //    {"size", {{"width", s.size.w}, {"height", s.size.h}}},
-    auto jsize = json_object_new_object();
-    json_object_object_add(jsize, "width", json_object_new_int(s.size.w));
-    json_object_object_add(jsize, "height", json_object_new_int(s.size.h));
-    json_object_object_add(j, "size", jsize);
-
-    //    {"dst",
-    //     {{"width", s.dst_rect.w},
-    //      {"height", s.dst_rect.h},
-    //      {"x", s.dst_rect.x},
-    //      {"y", s.dst_rect.y}}},
-    auto jdst = json_object_new_object();
-    json_object_object_add(jdst, "width", json_object_new_int(s.dst_rect.w));
-    json_object_object_add(jdst, "height", json_object_new_int(s.dst_rect.h));
-    json_object_object_add(jdst, "x", json_object_new_int(s.dst_rect.x));
-    json_object_object_add(jdst, "y", json_object_new_int(s.dst_rect.y));
-    json_object_object_add(j, "dst", jdst);
-
-    //    {"src",
-    //     {{"width", s.src_rect.w},
-    //      {"height", s.src_rect.h},
-    //      {"x", s.src_rect.x},
-    //      {"y", s.src_rect.y}}},
-    auto jsrc = json_object_new_object();
-    json_object_object_add(jsrc, "width", json_object_new_int(s.src_rect.w));
-    json_object_object_add(jsrc, "height", json_object_new_int(s.src_rect.h));
-    json_object_object_add(jsrc, "x", json_object_new_int(s.src_rect.x));
-    json_object_object_add(jsrc, "y", json_object_new_int(s.src_rect.y));
-    json_object_object_add(j, "src", jsrc);
-
-    //    {"visibility", s.visibility},
-    json_object_object_add(
-        j, "visibility",
-        json_object_new_boolean(static_cast<json_bool>(s.visibility == 1)));
-
-    //    {"opacity", s.opacity},
-    json_object_object_add(j, "opacity", json_object_new_double(s.opacity));
-
-    //    {"orientation", s.orientation},
-    json_object_object_add(j, "orientation", json_object_new_int(s.orientation));
-
-    // });
-    return j;
-}
-
-json_object *to_json(compositor::screen const *s)
-{
-    auto o = json_object_new_object();
-    json_object_object_add(o, "id", json_object_new_int(s->id));
-    return o;
-}
-
 template <typename T>
 json_object *to_json_(T const &s)
 {
@@ -93,11 +33,6 @@ json_object *to_json_(T const &s)
     return a;
 }
 
-json_object *to_json(compositor::controller::props_map const &s)
-{
-    return to_json_(s);
-}
-
 json_object *to_json(std::vector<uint32_t> const &v)
 {
     auto a = json_object_new_array();
diff --git a/src/json_helper.hpp b/src/json_helper.hpp
index 2321f8b..6ccbcc1 100644
--- a/src/json_helper.hpp
+++ b/src/json_helper.hpp
@@ -19,12 +19,9 @@
 
 #include <json-c/json.h>
 #include <vector>
-#include "wayland_ivi_wm.hpp"
 
 struct json_object;
 
-json_object *to_json(compositor::screen const *s);
-json_object *to_json(compositor::controller::props_map const &s);
 json_object *to_json(std::vector<uint32_t> const &v);
 
 namespace jh {
diff --git a/src/layout.cpp b/src/layout.cpp
deleted file mode 100644
index fbf2baa..0000000
--- a/src/layout.cpp
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "layout.hpp"
diff --git a/src/layout.hpp b/src/layout.hpp
deleted file mode 100644
index 3430ef3..0000000
--- a/src/layout.hpp
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef TMCAGLWM_LAYOUT_HPP
-#define TMCAGLWM_LAYOUT_HPP
-
-namespace wm
-{
-
-struct LayoutState
-{
-    int main{-1};
-    int sub{-1};
-
-    bool operator==(const LayoutState &b) const
-    {
-        return main == b.main && sub == b.sub;
-    }
-
-    bool operator!=(const LayoutState &b) const
-    {
-        return !(*this == b);
-    }
-};
-
-} // namespace wm
-
-#endif // TMCAGLWM_LAYOUT_HPP
diff --git a/src/main.cpp b/src/main.cpp
index d9f0302..36577fe 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -20,7 +20,6 @@
 #include <json.h>
 #include "window_manager.hpp"
 #include "json_helper.hpp"
-#include "wayland_ivi_wm.hpp"
 
 extern "C"
 {
@@ -41,10 +40,10 @@ typedef struct WMClientCtxt
 
 struct afb_instance
 {
-    std::unique_ptr<wl::display> display;
     wm::WindowManager wmgr;
 
-    afb_instance() : display{new wl::display}, wmgr{this->display.get()} {}
+    afb_instance() : wmgr() {}
+    ~afb_instance() = default;
 
     int init();
 };
@@ -57,78 +56,11 @@ int afb_instance::init()
     return this->wmgr.init();
 }
 
-int display_event_callback(sd_event_source *evs, int /*fd*/, uint32_t events,
-                           void * /*data*/)
-{
-    if ((events & EPOLLHUP) != 0)
-    {
-        HMI_ERROR("The compositor hung up, dying now.");
-        delete g_afb_instance;
-        g_afb_instance = nullptr;
-        goto error;
-    }
-
-    if ((events & EPOLLIN) != 0u)
-    {
-        {
-            g_afb_instance->wmgr.display->read_events();
-            g_afb_instance->wmgr.set_pending_events();
-        }
-        {
-            // We want do dispatch pending wayland events from within
-            // the API context
-            afb_service_call("windowmanager", "ping", json_object_new_object(),
-                            [](void *c, int st, json_object *j) {
-                            },
-                            nullptr);
-        }
-    }
-
-    return 0;
-
-error:
-    sd_event_source_unref(evs);
-    if (getenv("WINMAN_EXIT_ON_HANGUP") != nullptr)
-    {
-        exit(1);
-    }
-    return -1;
-}
-
 int _binding_init()
 {
     HMI_NOTICE("WinMan ver. %s", WINMAN_VERSION_STRING);
 
-    if (g_afb_instance != nullptr)
-    {
-        HMI_ERROR("Wayland context already initialized?");
-        return 0;
-    }
-
-    if (getenv("XDG_RUNTIME_DIR") == nullptr)
-    {
-        HMI_ERROR("Environment variable XDG_RUNTIME_DIR not set");
-        goto error;
-    }
-
-    {
-        // wait until wayland compositor starts up.
-        int cnt = 0;
-        g_afb_instance = new afb_instance;
-        while (!g_afb_instance->display->ok())
-        {
-            cnt++;
-            if (20 <= cnt)
-            {
-                HMI_ERROR("Could not connect to compositor");
-                goto error;
-            }
-            HMI_ERROR("Wait to start weston ...");
-            sleep(1);
-            delete g_afb_instance;
-            g_afb_instance = new afb_instance;
-        }
-    }
+    g_afb_instance = new afb_instance;
 
     if (g_afb_instance->init() == -1)
     {
@@ -136,17 +68,6 @@ int _binding_init()
         goto error;
     }
 
-    {
-        int ret = sd_event_add_io(afb_daemon_get_event_loop(), nullptr,
-                                  g_afb_instance->display->get_fd(), EPOLLIN,
-                                  display_event_callback, g_afb_instance);
-        if (ret < 0)
-        {
-            HMI_ERROR("Could not initialize afb_instance event handler: %d", -ret);
-            goto error;
-        }
-    }
-
     atexit([] { delete g_afb_instance; });
 
     return 0;
@@ -511,10 +432,9 @@ void windowmanager_wm_subscribe(afb_req req) noexcept
             afb_req_fail(req, "failed", "Need char const* argument event");
             return;
         }
-        int event_type = json_object_get_int(j);
-        const char *event_name = g_afb_instance->wmgr.kListEventName[event_type];
-        struct afb_event event = g_afb_instance->wmgr.map_afb_event[event_name];
-        int ret = afb_req_subscribe(req, event);
+        int event_id = json_object_get_int(j);
+        int ret = g_afb_instance->wmgr.api_subscribe(req, event_id);
+
         if (ret)
         {
             afb_req_fail(req, "failed", "Error: afb_req_subscribe()");
@@ -531,7 +451,8 @@ void windowmanager_wm_subscribe(afb_req req) noexcept
 
 void windowmanager_list_drawing_names(afb_req req) noexcept
 {
-    std::lock_guard<std::mutex> guard(binding_m);
+    /* std::lock_guard<std::mutex> guard(binding_m);
+
     if (g_afb_instance == nullptr)
     {
         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
@@ -555,36 +476,30 @@ void windowmanager_list_drawing_names(afb_req req) noexcept
     {
         afb_req_fail_f(req, "failed", "Uncaught exception while calling list_drawing_names: %s", e.what());
         return;
-    }
+    } */
+    afb_req_success(req, NULL, "not-implemented");
 }
 
 void windowmanager_ping(afb_req req) noexcept
 {
     std::lock_guard<std::mutex> guard(binding_m);
+
     if (g_afb_instance == nullptr)
     {
         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
         return;
     }
-
-    try
+    else
     {
-
-        g_afb_instance->wmgr.api_ping();
-
         afb_req_success(req, NULL, "success");
     }
-    catch (std::exception &e)
-    {
-        afb_req_fail_f(req, "failed", "Uncaught exception while calling ping: %s", e.what());
-        return;
-    }
 }
 
 void windowmanager_debug_status(afb_req req) noexcept
 {
     std::lock_guard<std::mutex> guard(binding_m);
-    if (g_afb_instance == nullptr)
+
+    /* if (g_afb_instance == nullptr)
     {
         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
         return;
@@ -604,12 +519,14 @@ void windowmanager_debug_status(afb_req req) noexcept
     {
         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_status: %s", e.what());
         return;
-    }
+    } */
+    afb_req_fail(req, NULL, "not-implemented");
 }
 
 void windowmanager_debug_layers(afb_req req) noexcept
 {
-    std::lock_guard<std::mutex> guard(binding_m);
+    /* std::lock_guard<std::mutex> guard(binding_m);
+
     if (g_afb_instance == nullptr)
     {
         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
@@ -626,12 +543,14 @@ void windowmanager_debug_layers(afb_req req) noexcept
     {
         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_layers: %s", e.what());
         return;
-    }
+    } */
+    afb_req_fail(req, NULL, "not-implemented");
 }
 
 void windowmanager_debug_surfaces(afb_req req) noexcept
 {
-    std::lock_guard<std::mutex> guard(binding_m);
+    /* std::lock_guard<std::mutex> guard(binding_m);
+
     if (g_afb_instance == nullptr)
     {
         afb_req_fail(req, "failed", "Binding not initialized, did the compositor die?");
@@ -654,7 +573,8 @@ void windowmanager_debug_surfaces(afb_req req) noexcept
     {
         afb_req_fail_f(req, "failed", "Uncaught exception while calling debug_surfaces: %s", e.what());
         return;
-    }
+    } */
+    afb_req_fail(req, NULL, "not-implemented");
 }
 
 void windowmanager_debug_terminate(afb_req req) noexcept
diff --git a/src/util.hpp b/src/util.hpp
index 812a130..077f212 100644
--- a/src/util.hpp
+++ b/src/util.hpp
@@ -52,24 +52,15 @@ void _HMI_LOG(enum LOG_LEVEL level, const char* file, const char* func, const in
 void _HMI_SEQ_LOG(enum LOG_LEVEL level, const char* file, const char* func, const int line, unsigned seq_num, const char* log, ...);
 void _DUMP(enum LOG_LEVEL level, const char *log, ...);
 
-/**
- * @struct unique_fd
- */
-struct unique_fd
+struct rect
 {
-    int fd{-1};
-    unique_fd() = default;
-    explicit unique_fd(int f) : fd{f} {}
-    operator int() const { return fd; }
-    ~unique_fd();
-    unique_fd(unique_fd const &) = delete;
-    unique_fd &operator=(unique_fd const &) = delete;
-    unique_fd(unique_fd &&o) : fd(o.fd) { o.fd = -1; }
-    unique_fd &operator=(unique_fd &&o)
-    {
-        std::swap(this->fd, o.fd);
-        return *this;
-    }
+    int32_t w, h;
+    int32_t x, y;
+};
+
+struct size
+{
+    uint32_t w, h;
 };
 
 class rectangle
diff --git a/src/wayland_ivi_wm.cpp b/src/wayland_ivi_wm.cpp
deleted file mode 100644
index bbf745b..0000000
--- a/src/wayland_ivi_wm.cpp
+++ /dev/null
@@ -1,721 +0,0 @@
-/*
- * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "wayland_ivi_wm.hpp"
-
-/**
- * namespace wl
- */
-namespace wl
-{
-
-/**
- * display
- */
-display::display()
-    : d(std::unique_ptr<struct wl_display, void (*)(struct wl_display *)>(
-          wl_display_connect(nullptr), &wl_display_disconnect)),
-      r(d.get()) {}
-
-bool display::ok() const { return d && wl_display_get_error(d.get()) == 0; }
-
-void display::roundtrip() { wl_display_roundtrip(this->d.get()); }
-
-int display::dispatch() { return wl_display_dispatch(this->d.get()); }
-
-int display::dispatch_pending() { return wl_display_dispatch_pending(this->d.get()); }
-
-int display::read_events()
-{
-    while (wl_display_prepare_read(this->d.get()) == -1)
-    {
-        if (wl_display_dispatch_pending(this->d.get()) == -1)
-        {
-            return -1;
-        }
-    }
-
-    if (wl_display_flush(this->d.get()) == -1)
-    {
-        return -1;
-    }
-
-    if (wl_display_read_events(this->d.get()) == -1)
-    {
-        wl_display_cancel_read(this->d.get());
-    }
-
-    return 0;
-}
-
-void display::flush() { wl_display_flush(this->d.get()); }
-
-int display::get_fd() const { return wl_display_get_fd(this->d.get()); }
-
-int display::get_error() { return wl_display_get_error(this->d.get()); }
-
-/**
- * registry
- */
-namespace
-{
-void registry_global_created(void *data, struct wl_registry * /*r*/, uint32_t name,
-                             char const *iface, uint32_t v)
-{
-    static_cast<struct registry *>(data)->global_created(name, iface, v);
-}
-
-void registry_global_removed(void *data, struct wl_registry * /*r*/,
-                             uint32_t name)
-{
-    static_cast<struct registry *>(data)->global_removed(name);
-}
-
-constexpr struct wl_registry_listener registry_listener = {
-    registry_global_created, registry_global_removed};
-} // namespace
-
-registry::registry(struct wl_display *d)
-    : wayland_proxy(d == nullptr ? nullptr : wl_display_get_registry(d))
-{
-    if (this->proxy != nullptr)
-    {
-        wl_registry_add_listener(this->proxy.get(), &registry_listener, this);
-    }
-}
-
-void registry::add_global_handler(char const *iface, binder bind)
-{
-    this->bindings[iface] = std::move(bind);
-}
-
-void registry::global_created(uint32_t name, char const *iface, uint32_t v)
-{
-    auto b = this->bindings.find(iface);
-    if (b != this->bindings.end())
-    {
-        b->second(this->proxy.get(), name, v);
-    }
-    HMI_DEBUG("wl::registry @ %p global n %u i %s v %u", this->proxy.get(), name,
-              iface, v);
-}
-
-void registry::global_removed(uint32_t /*name*/) {}
-
-/**
- * output
- */
-namespace
-{
-void output_geometry(void *data, struct wl_output * /*wl_output*/, int32_t x,
-                     int32_t y, int32_t physical_width, int32_t physical_height,
-                     int32_t subpixel, const char *make, const char *model,
-                     int32_t transform)
-{
-    static_cast<struct output *>(data)->geometry(
-        x, y, physical_width, physical_height, subpixel, make, model, transform);
-}
-
-void output_mode(void *data, struct wl_output * /*wl_output*/, uint32_t flags,
-                 int32_t width, int32_t height, int32_t refresh)
-{
-    static_cast<struct output *>(data)->mode(flags, width, height, refresh);
-}
-
-void output_done(void *data, struct wl_output * /*wl_output*/)
-{
-    static_cast<struct output *>(data)->done();
-}
-
-void output_scale(void *data, struct wl_output * /*wl_output*/,
-                  int32_t factor)
-{
-    static_cast<struct output *>(data)->scale(factor);
-}
-
-constexpr struct wl_output_listener output_listener = {
-    output_geometry, output_mode, output_done, output_scale};
-} // namespace
-
-output::output(struct wl_registry *r, uint32_t name, uint32_t v)
-    : wayland_proxy(wl_registry_bind(r, name, &wl_output_interface, v))
-{
-    wl_output_add_listener(this->proxy.get(), &output_listener, this);
-}
-
-void output::geometry(int32_t x, int32_t y, int32_t pw, int32_t ph,
-                      int32_t subpel, char const *make, char const *model,
-                      int32_t tx)
-{
-    HMI_DEBUG("wl::output %s @ %p x %i y %i w %i h %i spel %x make %s model %s tx %i",
-              __func__, this->proxy.get(), x, y, pw, ph, subpel, make, model, tx);
-    this->physical_width = pw;
-    this->physical_height = ph;
-    this->transform = tx;
-}
-
-void output::mode(uint32_t flags, int32_t w, int32_t h, int32_t r)
-{
-    HMI_DEBUG("wl::output %s @ %p f %x w %i h %i r %i", __func__,
-              this->proxy.get(), flags, w, h, r);
-    if ((flags & WL_OUTPUT_MODE_CURRENT) != 0u)
-    {
-        this->width = w;
-        this->height = h;
-        this->refresh = r;
-    }
-}
-
-void output::done()
-{
-    HMI_DEBUG("wl::output %s @ %p done", __func__, this->proxy.get());
-    // Pivot and flipped
-    if (this->transform == WL_OUTPUT_TRANSFORM_90 ||
-        this->transform == WL_OUTPUT_TRANSFORM_270 ||
-        this->transform == WL_OUTPUT_TRANSFORM_FLIPPED_90 ||
-        this->transform == WL_OUTPUT_TRANSFORM_FLIPPED_270)
-    {
-        std::swap(this->width, this->height);
-        std::swap(this->physical_width, this->physical_height);
-    }
-}
-
-void output::scale(int32_t factor)
-{
-    HMI_DEBUG("wl::output %s @ %p f %i", __func__, this->proxy.get(), factor);
-}
-} // namespace wl
-
-/**
- * namespace compositor
- */
-namespace compositor
-{
-
-namespace
-{
-
-void surface_visibility_changed(
-    void *data, struct ivi_wm * /*ivi_wm*/,
-    uint32_t surface_id, int32_t visibility)
-{
-    auto c = static_cast<struct controller *>(data);
-    c->surface_visibility_changed(surface_id, visibility);
-}
-
-void surface_opacity_changed(void *data, struct ivi_wm * /*ivi_wm*/,
-                             uint32_t surface_id, wl_fixed_t opacity)
-{
-    auto c = static_cast<struct controller *>(data);
-    c->surface_opacity_changed(surface_id, float(wl_fixed_to_double(opacity)));
-}
-
-void surface_source_rectangle_changed(
-    void *data, struct ivi_wm * /*ivi_wm*/, uint32_t surface_id,
-    int32_t x, int32_t y, int32_t width, int32_t height)
-{
-    auto c = static_cast<struct controller *>(data);
-    c->surface_source_rectangle_changed(surface_id, x, y, width, height);
-}
-
-void surface_destination_rectangle_changed(
-    void *data, struct ivi_wm * /*ivi_wm*/, uint32_t surface_id,
-    int32_t x, int32_t y, int32_t width, int32_t height)
-{
-    auto c = static_cast<struct controller *>(data);
-    c->surface_destination_rectangle_changed(surface_id, x, y, width, height);
-}
-
-void surface_created(void *data, struct ivi_wm * /*ivi_wm*/,
-                     uint32_t id_surface)
-{
-    static_cast<struct controller *>(data)->surface_created(id_surface);
-}
-
-void surface_destroyed(
-    void *data, struct ivi_wm * /*ivi_wm*/, uint32_t surface_id)
-{
-    auto c = static_cast<struct controller *>(data);
-    c->surface_destroyed(surface_id);
-}
-
-void surface_error_detected(void *data, struct ivi_wm * /*ivi_wm*/, uint32_t object_id,
-                            uint32_t error_code, const char *error_text)
-{
-    static_cast<struct controller *>(data)->surface_error_detected(
-        object_id, error_code, error_text);
-}
-
-void surface_size_changed(
-    void *data, struct ivi_wm * /*ivi_wm*/, uint32_t surface_id,
-    int32_t width, int32_t height)
-{
-    auto c = static_cast<struct controller *>(data);
-    c->surface_size_changed(surface_id, width, height);
-}
-
-void surface_stats_received(void *data, struct ivi_wm * /*ivi_wm*/,
-                            uint32_t surface_id, uint32_t frame_count, uint32_t pid)
-{
-    auto c = static_cast<struct controller *>(data);
-    c->surface_stats_received(surface_id, frame_count, pid);
-}
-
-void surface_added_to_layer(void *data, struct ivi_wm * /*ivi_wm*/,
-                            uint32_t layer_id, uint32_t surface_id)
-{
-    auto c = static_cast<struct controller *>(data);
-    c->surface_added_to_layer(layer_id, surface_id);
-}
-
-void layer_visibility_changed(void *data, struct ivi_wm * /*ivi_wm*/,
-                              uint32_t layer_id, int32_t visibility)
-{
-    auto c = static_cast<struct controller *>(data);
-    c->layer_visibility_changed(layer_id, visibility);
-}
-
-void layer_opacity_changed(void *data, struct ivi_wm * /*ivi_wm*/,
-                           uint32_t layer_id, wl_fixed_t opacity)
-{
-    auto c = static_cast<struct controller *>(data);
-    c->layer_opacity_changed(layer_id, float(wl_fixed_to_double(opacity)));
-}
-
-void layer_source_rectangle_changed(
-    void *data, struct ivi_wm * /*ivi_wm*/, uint32_t layer_id,
-    int32_t x, int32_t y, int32_t width, int32_t height)
-{
-    auto c = static_cast<struct controller *>(data);
-    c->layer_source_rectangle_changed(layer_id, x, y, width, height);
-}
-
-void layer_destination_rectangle_changed(
-    void *data, struct ivi_wm * /*ivi_wm*/, uint32_t layer_id,
-    int32_t x, int32_t y, int32_t width, int32_t height)
-{
-    auto c = static_cast<struct controller *>(data);
-    c->layer_destination_rectangle_changed(layer_id, x, y, width, height);
-}
-
-void layer_created(void *data, struct ivi_wm * /*ivi_wm*/,
-                   uint32_t id_layer)
-{
-    static_cast<struct controller *>(data)->layer_created(id_layer);
-}
-
-void layer_destroyed(void *data, struct ivi_wm * /*ivi_wm*/, uint32_t layer_id)
-{
-    auto c = static_cast<struct controller *>(data);
-    c->layer_destroyed(layer_id);
-}
-
-void layer_error_detected(void *data, struct ivi_wm * /*ivi_wm*/, uint32_t object_id,
-                          uint32_t error_code, const char *error_text)
-{
-    static_cast<struct controller *>(data)->layer_error_detected(
-        object_id, error_code, error_text);
-}
-
-constexpr struct ivi_wm_listener listener = {
-    surface_visibility_changed,
-    layer_visibility_changed,
-    surface_opacity_changed,
-    layer_opacity_changed,
-    surface_source_rectangle_changed,
-    layer_source_rectangle_changed,
-    surface_destination_rectangle_changed,
-    layer_destination_rectangle_changed,
-    surface_created,
-    layer_created,
-    surface_destroyed,
-    layer_destroyed,
-    surface_error_detected,
-    layer_error_detected,
-    surface_size_changed,
-    surface_stats_received,
-    surface_added_to_layer,
-};
-
-void screen_created(void *data, struct ivi_wm_screen *ivi_wm_screen, uint32_t id)
-{
-    static_cast<struct screen *>(data)->screen_created((struct screen *)data, id);
-}
-
-void layer_added(void *data,
-                 struct ivi_wm_screen *ivi_wm_screen,
-                 uint32_t layer_id)
-{
-    HMI_DEBUG("added layer_id:%d", layer_id);
-}
-
-void connector_name(void *data,
-                    struct ivi_wm_screen *ivi_wm_screen,
-                    const char *process_name)
-{
-    HMI_DEBUG("process_name:%s", process_name);
-}
-
-void screen_error(void *data,
-                  struct ivi_wm_screen *ivi_wm_screen,
-                  uint32_t error,
-                  const char *message)
-{
-    HMI_DEBUG("screen error:%d message:%s", error, message);
-}
-
-constexpr struct ivi_wm_screen_listener screen_listener = {
-    screen_created,
-    layer_added,
-    connector_name,
-    screen_error,
-};
-} // namespace
-
-/**
- * surface
- */
-surface::surface(uint32_t i, struct controller *c)
-    : controller_child(c, i)
-{
-    this->parent->add_proxy_to_sid_mapping(this->parent->proxy.get(), i);
-}
-
-void surface::set_visibility(uint32_t visibility)
-{
-    HMI_DEBUG("compositor::surface id:%d v:%d", this->id, visibility);
-    ivi_wm_set_surface_visibility(this->parent->proxy.get(), this->id, visibility);
-}
-
-void surface::set_source_rectangle(int32_t x, int32_t y,
-                                   int32_t width, int32_t height)
-{
-    ivi_wm_set_surface_source_rectangle(this->parent->proxy.get(), this->id,
-                                        x, y, width, height);
-}
-
-void surface::set_destination_rectangle(int32_t x, int32_t y,
-                                        int32_t width, int32_t height)
-{
-    ivi_wm_set_surface_destination_rectangle(this->parent->proxy.get(), this->id,
-                                             x, y, width, height);
-}
-
-/**
- * layer
- */
-layer::layer(uint32_t i, struct controller *c) : layer(i, 0, 0, c) {}
-
-layer::layer(uint32_t i, int32_t w, int32_t h, struct controller *c)
-    : controller_child(c, i)
-{
-    this->parent->add_proxy_to_lid_mapping(this->parent->proxy.get(), i);
-    ivi_wm_create_layout_layer(c->proxy.get(), i, w, h);
-}
-
-void layer::set_visibility(uint32_t visibility)
-{
-    ivi_wm_set_layer_visibility(this->parent->proxy.get(), this->id, visibility);
-}
-
-void layer::set_destination_rectangle(int32_t x, int32_t y,
-                                      int32_t width, int32_t height)
-{
-    ivi_wm_set_layer_destination_rectangle(this->parent->proxy.get(), this->id,
-                                           x, y, width, height);
-}
-
-void layer::add_surface(uint32_t surface_id)
-{
-    ivi_wm_layer_add_surface(this->parent->proxy.get(), this->id, surface_id);
-}
-
-void layer::remove_surface(uint32_t surface_id)
-{
-    ivi_wm_layer_remove_surface(this->parent->proxy.get(), this->id, surface_id);
-}
-
-/**
- * screen
- */
-screen::screen(uint32_t i, struct controller *c, struct wl_output *o)
-    : wayland_proxy(ivi_wm_create_screen(c->proxy.get(), o)),
-      controller_child(c, i)
-{
-    HMI_DEBUG("compositor::screen @ %p id %u o %p", this->proxy.get(), i, o);
-
-    // Add listener for screen
-    ivi_wm_screen_add_listener(this->proxy.get(), &screen_listener, this);
-}
-
-void screen::clear() { ivi_wm_screen_clear(this->proxy.get()); }
-
-void screen::screen_created(struct screen *screen, uint32_t id)
-{
-    HMI_DEBUG("compositor::screen @ %p screen %u (%x) @ %p", this->proxy.get(),
-              id, id, screen);
-    this->id = id;
-    this->parent->screens[id] = screen;
-}
-
-void screen::set_render_order(std::vector<uint32_t> const &ro)
-{
-    std::size_t i;
-
-    // Remove all layers from the screen render order
-    ivi_wm_screen_clear(this->proxy.get());
-
-    for (i = 0; i < ro.size(); i++)
-    {
-        HMI_DEBUG("compositor::screen @ %p add layer %u", this->proxy.get(), ro[i]);
-        // Add the layer to screen render order at nearest z-position
-        ivi_wm_screen_add_layer(this->proxy.get(), ro[i]);
-    }
-}
-
-/**
- * controller
- */
-controller::controller(struct wl_registry *r, uint32_t name, uint32_t version)
-    : wayland_proxy(
-          wl_registry_bind(r, name, &ivi_wm_interface, version)),
-      output_size{}
-{
-    ivi_wm_add_listener(this->proxy.get(), &listener, this);
-}
-
-void controller::layer_create(uint32_t id, int32_t w, int32_t h)
-{
-    this->layers[id] = std::make_unique<struct layer>(id, w, h, this);
-}
-
-void controller::surface_create(uint32_t id)
-{
-    this->surfaces[id] = std::make_unique<struct surface>(id, this);
-
-    // TODO: If Clipping is necessary, this process should be modified.
-    {
-        // Set surface type:IVI_WM_SURFACE_TYPE_DESKTOP)
-        // for resizing wayland surface when switching from split to full surface.
-        ivi_wm_set_surface_type(this->proxy.get(), id, IVI_WM_SURFACE_TYPE_DESKTOP);
-
-        // Set source reactangle even if we should not need to set it
-        // for enable setting for destination region.
-        this->surfaces[id]->set_source_rectangle(0, 0, this->output_size.w, this->output_size.h);
-
-        // Flush display
-        this->display->flush();
-    }
-}
-
-void controller::create_screen(struct wl_output *output)
-{
-    // TODO: screen id is 0 (WM manages one screen for now)
-    this->screen = std::make_unique<struct screen>(0, this, output);
-}
-
-void controller::get_surface_properties(uint32_t surface_id, int param)
-{
-    ivi_wm_surface_get(this->proxy.get(), surface_id, param);
-}
-
-void controller::layer_created(uint32_t id)
-{
-    HMI_DEBUG("compositor::controller @ %p layer %u (%x)", this->proxy.get(), id, id);
-    if (this->layers.find(id) != this->layers.end())
-    {
-        HMI_DEBUG("WindowManager has created layer %u (%x) already", id, id);
-    }
-    else
-    {
-        this->layers[id] = std::make_unique<struct layer>(id, this);
-    }
-}
-
-void controller::layer_error_detected(uint32_t object_id,
-                                      uint32_t error_code, const char *error_text)
-{
-    HMI_DEBUG("compositor::controller @ %p error o %d c %d text %s",
-              this->proxy.get(), object_id, error_code, error_text);
-}
-
-void controller::surface_visibility_changed(uint32_t id, int32_t visibility)
-{
-    HMI_DEBUG("compositor::surface %s @ %d v %i", __func__, id,
-              visibility);
-    this->sprops[id].visibility = visibility;
-    this->chooks->surface_visibility(id, visibility);
-}
-
-void controller::surface_opacity_changed(uint32_t id, float opacity)
-{
-    HMI_DEBUG("compositor::surface %s @ %d o %f",
-                __func__, id, opacity);
-    this->sprops[id].opacity = opacity;
-}
-
-void controller::surface_source_rectangle_changed(uint32_t id, int32_t x,
-                                                  int32_t y, int32_t width,
-                                                  int32_t height)
-{
-    HMI_DEBUG("compositor::surface %s @ %d x %i y %i w %i h %i", __func__,
-              id, x, y, width, height);
-    this->sprops[id].src_rect = rect{width, height, x, y};
-}
-
-void controller::surface_destination_rectangle_changed(uint32_t id, int32_t x,
-                                                       int32_t y, int32_t width,
-                                                       int32_t height)
-{
-    HMI_DEBUG("compositor::surface %s @ %d x %i y %i w %i h %i", __func__,
-              id, x, y, width, height);
-    this->sprops[id].dst_rect = rect{width, height, x, y};
-    this->chooks->surface_destination_rectangle(id, x, y, width, height);
-}
-
-void controller::surface_size_changed(uint32_t id, int32_t width,
-                                      int32_t height)
-{
-    HMI_DEBUG("compositor::surface %s @ %d w %i h %i", __func__, id,
-              width, height);
-    this->sprops[id].size = size{uint32_t(width), uint32_t(height)};
-    this->surfaces[id]->set_source_rectangle(0, 0, width, height);
-}
-
-void controller::surface_added_to_layer(uint32_t layer_id, uint32_t surface_id)
-{
-    HMI_DEBUG("compositor::surface %s @ %d l %u",
-              __func__, layer_id, surface_id);
-}
-
-void controller::surface_stats_received(uint32_t surface_id,
-                                        uint32_t frame_count, uint32_t pid)
-{
-    HMI_DEBUG("compositor::surface %s @ %d f %u pid %u",
-              __func__, surface_id, frame_count, pid);
-}
-
-void controller::surface_created(uint32_t id)
-{
-    HMI_DEBUG("compositor::controller @ %p surface %u (%x)", this->proxy.get(), id,
-              id);
-    if (this->surfaces.find(id) == this->surfaces.end())
-    {
-        this->surfaces[id] = std::make_unique<struct surface>(id, this);
-        this->chooks->surface_created(id);
-
-        // Set surface type:IVI_WM_SURFACE_TYPE_DESKTOP)
-        // for resizing wayland surface when switching from split to full surface.
-        ivi_wm_set_surface_type(this->proxy.get(), id, IVI_WM_SURFACE_TYPE_DESKTOP);
-
-        // Flush display
-        this->display->flush();
-    }
-}
-
-void controller::surface_destroyed(uint32_t surface_id)
-{
-    HMI_DEBUG("compositor::surface %s @ %d", __func__, surface_id);
-    this->chooks->surface_removed(surface_id);
-    this->sprops.erase(surface_id);
-    this->surfaces.erase(surface_id);
-}
-
-void controller::surface_error_detected(uint32_t object_id,
-                                        uint32_t error_code, const char *error_text)
-{
-    HMI_DEBUG("compositor::controller @ %p error o %d c %d text %s",
-              this->proxy.get(), object_id, error_code, error_text);
-}
-
-void controller::layer_visibility_changed(uint32_t layer_id, int32_t visibility)
-{
-    HMI_DEBUG("compositor::layer %s @ %d v %i", __func__, layer_id, visibility);
-    this->lprops[layer_id].visibility = visibility;
-}
-
-void controller::layer_opacity_changed(uint32_t layer_id, float opacity)
-{
-    HMI_DEBUG("compositor::layer %s @ %d o %f", __func__, layer_id, opacity);
-    this->lprops[layer_id].opacity = opacity;
-}
-
-void controller::layer_source_rectangle_changed(uint32_t layer_id,
-                                                int32_t x, int32_t y,
-                                                int32_t width, int32_t height)
-{
-    HMI_DEBUG("compositor::layer %s @ %d x %i y %i w %i h %i",
-              __func__, layer_id, x, y, width, height);
-    this->lprops[layer_id].src_rect = rect{width, height, x, y};
-}
-
-void controller::layer_destination_rectangle_changed(uint32_t layer_id,
-                                                     int32_t x, int32_t y,
-                                                     int32_t width, int32_t height)
-{
-    HMI_DEBUG("compositor::layer %s @ %d x %i y %i w %i h %i",
-              __func__, layer_id, x, y, width, height);
-    this->lprops[layer_id].dst_rect = rect{width, height, x, y};
-}
-
-void controller::layer_destroyed(uint32_t layer_id)
-{
-    HMI_DEBUG("compositor::layer %s @ %d", __func__, layer_id);
-    this->lprops.erase(layer_id);
-    this->layers.erase(layer_id);
-}
-
-void controller::add_proxy_to_sid_mapping(struct ivi_wm *p,
-                                          uint32_t id)
-{
-    HMI_DEBUG("Add surface proxy mapping for %p (%u)", p, id);
-    this->surface_proxy_to_id[uintptr_t(p)] = id;
-    this->sprops[id].id = id;
-}
-
-void controller::remove_proxy_to_sid_mapping(struct ivi_wm *p)
-{
-    HMI_DEBUG("Remove surface proxy mapping for %p", p);
-    this->surface_proxy_to_id.erase(uintptr_t(p));
-}
-
-void controller::add_proxy_to_lid_mapping(struct ivi_wm *p,
-                                          uint32_t id)
-{
-    HMI_DEBUG("Add layer proxy mapping for %p (%u)", p, id);
-    this->layer_proxy_to_id[uintptr_t(p)] = id;
-    this->lprops[id].id = id;
-}
-
-void controller::remove_proxy_to_lid_mapping(struct ivi_wm *p)
-{
-    HMI_DEBUG("Remove layer proxy mapping for %p", p);
-    this->layer_proxy_to_id.erase(uintptr_t(p));
-}
-
-void controller::add_proxy_to_id_mapping(struct wl_output *p, uint32_t id)
-{
-    HMI_DEBUG("Add screen proxy mapping for %p (%u)", p, id);
-    this->screen_proxy_to_id[uintptr_t(p)] = id;
-}
-
-void controller::remove_proxy_to_id_mapping(struct wl_output *p)
-{
-    HMI_DEBUG("Remove screen proxy mapping for %p", p);
-    this->screen_proxy_to_id.erase(uintptr_t(p));
-}
-
-} // namespace compositor
diff --git a/src/wayland_ivi_wm.hpp b/src/wayland_ivi_wm.hpp
deleted file mode 100644
index b515a06..0000000
--- a/src/wayland_ivi_wm.hpp
+++ /dev/null
@@ -1,326 +0,0 @@
-/*
- * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef WM_WAYLAND_HPP
-#define WM_WAYLAND_HPP
-
-#include "controller_hooks.hpp"
-#include "ivi-wm-client-protocol.h"
-#include "util.hpp"
-
-#include <functional>
-#include <memory>
-#include <unordered_map>
-#include <vector>
-
-/**
- * @struct wayland_proxy
- */
-template <typename ProxyT>
-struct wayland_proxy
-{
-    std::unique_ptr<ProxyT, std::function<void(ProxyT *)>> proxy;
-    wayland_proxy(wayland_proxy const &) = delete;
-    wayland_proxy &operator=(wayland_proxy const &) = delete;
-    wayland_proxy(void *p)
-        : wayland_proxy(p,
-                        reinterpret_cast<void (*)(ProxyT *)>(wl_proxy_destroy)) {}
-    wayland_proxy(void *p, std::function<void(ProxyT *)> &&p_del)
-        : proxy(std::unique_ptr<ProxyT, std::function<void(ProxyT *)>>(
-              static_cast<ProxyT *>(p), p_del)) {}
-};
-
-/**
- * namespace wl
- */
-namespace wl
-{
-
-/**
- * @struct registry
- */
-struct registry : public wayland_proxy<struct wl_registry>
-{
-    typedef std::function<void(struct wl_registry *, uint32_t, uint32_t)> binder;
-    std::unordered_map<std::string, binder> bindings;
-
-    registry(registry const &) = delete;
-    registry &operator=(registry const &) = delete;
-    registry(struct wl_display *d);
-
-    void add_global_handler(char const *iface, binder bind);
-
-    // Events
-    void global_created(uint32_t name, char const *iface, uint32_t v);
-    void global_removed(uint32_t name);
-};
-
-/**
- * @struct display
- */
-struct display
-{
-    std::unique_ptr<struct wl_display, void (*)(struct wl_display *)> d;
-    struct registry r;
-
-    display(display const &) = delete;
-    display &operator=(display const &) = delete;
-    display();
-    bool ok() const;
-    void roundtrip();
-    int dispatch();
-    int dispatch_pending();
-    int read_events();
-    void flush();
-    int get_fd() const;
-    int get_error();
-
-    // Lets just proxy this for the registry
-    inline void add_global_handler(char const *iface, registry::binder bind)
-    {
-        this->r.add_global_handler(iface, bind);
-    }
-};
-
-/**
- * @struct output
- */
-struct output : public wayland_proxy<struct wl_output>
-{
-    int width{};
-    int height{};
-    int physical_width{};
-    int physical_height{};
-    int refresh{};
-    int transform{};
-
-    output(output const &) = delete;
-    output &operator=(output const &) = delete;
-    output(struct wl_registry *r, uint32_t name, uint32_t v);
-
-    // Events
-    void geometry(int32_t x, int32_t y, int32_t pw, int32_t ph, int32_t subpel,
-                  char const *make, char const *model, int32_t tx);
-    void mode(uint32_t flags, int32_t w, int32_t h, int32_t r);
-    void done();
-    void scale(int32_t factor);
-};
-} // namespace wl
-
-/**
- * namespace compositor
- */
-namespace compositor
-{
-
-struct size
-{
-    uint32_t w, h;
-};
-
-struct rect
-{
-    int32_t w, h;
-    int32_t x, y;
-};
-
-static const constexpr rect full_rect = rect{-1, -1, 0, 0};
-
-inline bool operator==(struct rect a, struct rect b)
-{
-    return a.w == b.w && a.h == b.h && a.x == b.x && a.y == b.y;
-}
-
-struct controller;
-
-struct controller_child
-{
-    struct controller *parent;
-    uint32_t id;
-
-    controller_child(controller_child const &) = delete;
-    controller_child &operator=(controller_child const &) = delete;
-    controller_child(struct controller *c, uint32_t i) : parent(c), id(i) {}
-    virtual ~controller_child() {}
-};
-
-struct surface_properties
-{
-    uint32_t id; // let's just save an ID here too
-    struct rect dst_rect;
-    struct rect src_rect;
-    struct size size;
-    int32_t orientation;
-    int32_t visibility;
-    float opacity;
-};
-
-/**
- * @struct surface
- */
-struct surface : public controller_child
-{
-    surface(surface const &) = delete;
-    surface &operator=(surface const &) = delete;
-    surface(uint32_t i, struct controller *c);
-
-    // Requests
-    void set_visibility(uint32_t visibility);
-    void set_source_rectangle(int32_t x, int32_t y,
-                              int32_t width, int32_t height);
-    void set_destination_rectangle(int32_t x, int32_t y,
-                                   int32_t width, int32_t height);
-};
-
-/**
- * @struct layer
- */
-struct layer : public controller_child
-{
-    layer(layer const &) = delete;
-    layer &operator=(layer const &) = delete;
-    layer(uint32_t i, struct controller *c);
-    layer(uint32_t i, int32_t w, int32_t h, struct controller *c);
-
-    // Requests
-    void set_visibility(uint32_t visibility);
-    void set_destination_rectangle(int32_t x, int32_t y,
-                                   int32_t width, int32_t height);
-    void add_surface(uint32_t surface_id);
-    void remove_surface(uint32_t surface_id);
-};
-
-/**
- * @struct screen
- */
-struct screen : public wayland_proxy<struct ivi_wm_screen>,
-                public controller_child
-{
-    screen(screen const &) = delete;
-    screen &operator=(screen const &) = delete;
-    screen(uint32_t i, struct controller *c, struct wl_output *o);
-
-    void clear();
-    void screen_created(struct screen *screen, uint32_t id);
-    void set_render_order(std::vector<uint32_t> const &ro);
-};
-
-/**
- * @struct controller
- */
-struct controller : public wayland_proxy<struct ivi_wm>
-{
-    // This controller is still missing ivi-input
-
-    typedef std::unordered_map<uintptr_t, uint32_t> proxy_to_id_map_type;
-    typedef std::unordered_map<uint32_t, std::unique_ptr<struct surface>>
-        surface_map_type;
-    typedef std::unordered_map<uint32_t, std::unique_ptr<struct layer>>
-        layer_map_type;
-    typedef std::unordered_map<uint32_t, struct screen *> screen_map_type;
-    typedef std::unordered_map<uint32_t, struct surface_properties> props_map;
-
-    // HACK:
-    // The order of these member is mandatory, as when objects are destroyed
-    // they will call their parent (that's us right here!) and remove their
-    // proxy-to-id mapping. I.e. the *_proxy_to_id members need to be valid
-    // when the surfaces/layers/screens maps are destroyed. This sucks, but
-    // I cannot see a better solution w/o globals or some other horrible
-    // call-our-parent construct.
-    proxy_to_id_map_type surface_proxy_to_id;
-    proxy_to_id_map_type layer_proxy_to_id;
-    proxy_to_id_map_type screen_proxy_to_id;
-
-    props_map sprops;
-    props_map lprops;
-
-    surface_map_type surfaces;
-    layer_map_type layers;
-    screen_map_type screens;
-
-    std::unique_ptr<struct screen> screen;
-
-    size output_size;   // Display size[pixel]
-    size physical_size; // Display size[mm]
-
-    // Scale for conversion CSS PX -> DP(Device Pixel)
-    double scale;
-
-    wm::controller_hooks *chooks;
-
-    struct wl::display *display;
-
-    void add_proxy_to_sid_mapping(struct ivi_wm *p, uint32_t id);
-    void remove_proxy_to_sid_mapping(struct ivi_wm *p);
-
-    void add_proxy_to_lid_mapping(struct ivi_wm *p, uint32_t id);
-    void remove_proxy_to_lid_mapping(struct ivi_wm *p);
-
-    void add_proxy_to_id_mapping(struct wl_output *p, uint32_t id);
-    void remove_proxy_to_id_mapping(struct wl_output *p);
-
-    bool surface_exists(uint32_t id) const
-    {
-        return this->surfaces.find(id) != this->surfaces.end();
-    }
-
-    bool layer_exists(uint32_t id) const
-    {
-        return this->layers.find(id) != this->layers.end();
-    }
-
-    controller(struct wl_registry *r, uint32_t name, uint32_t version);
-
-    // Requests
-    void commit_changes() const
-    {
-        ivi_wm_commit_changes(this->proxy.get());
-    }
-    void layer_create(uint32_t id, int32_t w, int32_t h);
-    void surface_create(uint32_t id);
-    void create_screen(struct wl_output *output);
-    void get_surface_properties(uint32_t surface_id, int param = 0);
-
-    // Events
-    void surface_visibility_changed(uint32_t id, int32_t visibility);
-    void surface_opacity_changed(uint32_t id, float opacity);
-    void surface_source_rectangle_changed(uint32_t id, int32_t x, int32_t y,
-                                          int32_t width, int32_t height);
-    void surface_destination_rectangle_changed(uint32_t id, int32_t x, int32_t y,
-                                               int32_t width, int32_t height);
-    void surface_created(uint32_t id);
-    void surface_destroyed(uint32_t surface_id);
-    void surface_error_detected(uint32_t object_id,
-                                uint32_t error_code, char const *error_text);
-    void surface_size_changed(uint32_t id, int32_t width, int32_t height);
-    void surface_stats_received(uint32_t surface_id,
-                                uint32_t frame_count, uint32_t pid);
-    void surface_added_to_layer(uint32_t layer_id, uint32_t surface_id);
-
-    void layer_visibility_changed(uint32_t layer_id, int32_t visibility);
-    void layer_opacity_changed(uint32_t layer_id, float opacity);
-    void layer_source_rectangle_changed(uint32_t layer_id, int32_t x, int32_t y,
-                                        int32_t width, int32_t height);
-    void layer_destination_rectangle_changed(uint32_t layer_id, int32_t x, int32_t y,
-                                             int32_t width, int32_t height);
-    void layer_created(uint32_t id);
-    void layer_destroyed(uint32_t layer_id);
-    void layer_error_detected(uint32_t object_id,
-                              uint32_t error_code, char const *error_text);
-};
-} // namespace compositor
-
-#endif // !WM_WAYLAND_HPP
diff --git a/src/window_manager.cpp b/src/window_manager.cpp
index 3e1a8bc..c69c839 100644
--- a/src/window_manager.cpp
+++ b/src/window_manager.cpp
@@ -56,6 +56,16 @@ const char kKeyHeightMm[]    = "height_mm";
 const char kKeyScale[]       = "scale";
 const char kKeyIds[]         = "ids";
 
+static const vector<string> kListEventName{
+        "active",
+        "inactive",
+        "visible",
+        "invisible",
+        "syncDraw",
+        "flushDraw",
+        "screenUpdated",
+        "error"};
+
 static sd_event_source *g_timer_ev_src = nullptr;
 static AppList g_app_list;
 static WindowManager *g_context;
@@ -63,39 +73,6 @@ static WindowManager *g_context;
 namespace
 {
 
-using nlohmann::json;
-
-result<json> file_to_json(char const *filename)
-{
-    json j;
-    std::ifstream i(filename);
-    if (i.fail())
-    {
-        HMI_DEBUG("Could not open config file, so use default layer information");
-        j = default_layers_json;
-    }
-    else
-    {
-        i >> j;
-    }
-
-    return Ok(j);
-}
-
-struct result<layer_map> load_layer_map(char const *filename)
-{
-    HMI_DEBUG("loading IDs from %s", filename);
-
-    auto j = file_to_json(filename);
-    if (j.is_err())
-    {
-        return Err<layer_map>(j.unwrap_err());
-    }
-    json jids = j.unwrap();
-
-    return to_layer_map(jids);
-}
-
 static int processTimerHandler(sd_event_source *s, uint64_t usec, void *userdata)
 {
     HMI_NOTICE("Time out occurs because the client replys endDraw slow, so revert the request");
@@ -117,57 +94,33 @@ static void onError()
 /**
  * WindowManager Impl
  */
-WindowManager::WindowManager(wl::display *d)
-    : chooks{this},
-      display{d},
-      controller{},
-      outputs(),
-      layers(),
-      id_alloc{},
-      pending_events(false)
+WindowManager::WindowManager()
+    : id_alloc{}
 {
-    char const *path_layers_json = getenv("AFM_APP_INSTALL_DIR");
-    string path;
-    if (!path_layers_json)
+    const char *path = getenv("AFM_APP_INSTALL_DIR");
+    if (!path)
     {
         HMI_ERROR("AFM_APP_INSTALL_DIR is not defined");
-        path = string(path_layers_json);
-    }
-    else
-    {
-        path = string(path_layers_json) + string("/etc/layers.json");
     }
+    string root = path;
 
-    try
-    {
-        {
-            auto l = load_layer_map(path.c_str());
-            if (l.is_ok())
-            {
-                this->layers = l.unwrap();
-            }
-            else
-            {
-                HMI_ERROR("%s", l.err().value());
-            }
-        }
-    }
-    catch (std::exception &e)
-    {
-        HMI_ERROR("Loading of configuration failed: %s", e.what());
-    }
+    this->lc = std::make_shared<LayerControl>(root);
+
+    HMI_DEBUG("Layer Controller initialized");
 }
 
 int WindowManager::init()
 {
-    if (!this->display->ok())
-    {
-        return -1;
-    }
+    LayerControlCallbacks lmcb;
+    lmcb.surfaceCreated = [&](unsigned pid, unsigned surface){
+        this->surface_created(surface);
+        };
+    lmcb.surfaceDestroyed = [&](unsigned surface){
+        this->surface_removed(surface);
+    };
 
-    if (this->layers.mapping.empty())
+    if(this->lc->init(lmcb) != WMError::SUCCESS)
     {
-        HMI_ERROR("No surface -> layer mapping loaded");
         return -1;
     }
 
@@ -188,58 +141,25 @@ int WindowManager::init()
     // Make afb event
     for (int i = Event_Val_Min; i <= Event_Val_Max; i++)
     {
-        map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i]);
+        map_afb_event[kListEventName[i]] = afb_daemon_make_event(kListEventName[i].c_str());
     }
 
-    this->display->add_global_handler(
-        "wl_output", [this](wl_registry *r, uint32_t name, uint32_t v) {
-            this->outputs.emplace_back(std::make_unique<wl::output>(r, name, v));
-        });
-
-    this->display->add_global_handler(
-        "ivi_wm", [this](wl_registry *r, uint32_t name, uint32_t v) {
-            this->controller =
-                std::make_unique<struct compositor::controller>(r, name, v);
-
-            // Init controller hooks
-            this->controller->chooks = &this->chooks;
+    const struct rect css_bg = this->lc->getAreaSize("fullscreen");
+    Screen screen = this->lc->getScreenInfo();
+    rectangle dp_bg(screen.width(), screen.height());
 
-            // This protocol needs the output, so lets just add our mapping here...
-            this->controller->add_proxy_to_id_mapping(
-                this->outputs.front()->proxy.get(),
-                wl_proxy_get_id(reinterpret_cast<struct wl_proxy *>(
-                    this->outputs.front()->proxy.get())));
-
-            // Create screen
-            this->controller->create_screen(this->outputs.front()->proxy.get());
-
-            // Set display to controller
-            this->controller->display = this->display;
-        });
-
-    // First level objects
-    this->display->roundtrip();
-    // Second level objects
-    this->display->roundtrip();
-    // Third level objects
-    this->display->roundtrip();
+    dp_bg.set_aspect(static_cast<double>(css_bg.w) / css_bg.h);
+    dp_bg.fit(screen.width(), screen.height());
+    dp_bg.center(screen.width(), screen.height());
+    HMI_DEBUG("SCALING: CSS BG(%dx%d) -> DDP %dx%d,(%dx%d)",
+              css_bg.w, css_bg.h, dp_bg.left(), dp_bg.top(), dp_bg.width(), dp_bg.height());
 
-    return init_layers();
-}
+    double scale = static_cast<double>(dp_bg.height()) / css_bg.h;
+    this->lc->setupArea(dp_bg, scale);
 
-int WindowManager::dispatch_pending_events()
-{
-    if (this->pop_pending_events())
-    {
-        this->display->dispatch_pending();
-        return 0;
-    }
-    return -1;
-}
+    this->lc->createLayers();
 
-void WindowManager::set_pending_events()
-{
-    this->pending_events.store(true, std::memory_order_release);
+    return 0;
 }
 
 result<int> WindowManager::api_request_surface(char const *appid, char const *drawing_name)
@@ -248,38 +168,33 @@ result<int> WindowManager::api_request_surface(char const *appid, char const *dr
     //       so convert role old to new
     const char *role = this->convertRoleOldToNew(drawing_name);
 
-    auto lid = this->layers.get_layer_id(string(role));
-    if (!lid)
+    // auto lid = this->layers.get_layer_id(string(role));
+    unsigned lid = this->lc->getLayerID(string(role));
+    if (lid == 0)
     {
         /**
        * register drawing_name as fallback and make it displayed.
        */
-        lid = this->layers.get_layer_id(string("fallback"));
+        // lid = this->layers.get_layer_id(string("fallback"));
+        lid = this->lc->getLayerID(string("fallback"));
         HMI_DEBUG("%s is not registered in layers.json, then fallback as normal app", role);
-        if (!lid)
+        if (lid == 0)
         {
             return Err<int>("Drawing name does not match any role, fallback is disabled");
         }
     }
 
-    auto rname = this->lookup_id(role);
+    auto rname = this->id_alloc.lookup(role);
     if (!rname)
     {
         // name does not exist yet, allocate surface id...
         auto id = int(this->id_alloc.generate_id(role));
-        this->layers.add_surface(id, *lid);
-
-        // set the main_surface[_name] here and now
-        if (!this->layers.main_surface_name.empty() &&
-            this->layers.main_surface_name == drawing_name)
-        {
-            this->layers.main_surface = id;
-            HMI_DEBUG("Set main_surface id to %u", id);
-        }
+        // this->layers.add_surface(id, *lid);
+        this->tmp_surface2app[id] = {string(appid), lid};
 
         // add client into the db
         string appid_str(appid);
-        g_app_list.addClient(appid_str, *lid, id, string(role));
+        g_app_list.addClient(appid_str, lid, id, string(role));
 
         // Set role map of (new, old)
         this->rolenew2old[role] = string(drawing_name);
@@ -298,23 +213,31 @@ char const *WindowManager::api_request_surface(char const *appid, char const *dr
     //       so convert role old to new
     const char *role = this->convertRoleOldToNew(drawing_name);
 
-    auto lid = this->layers.get_layer_id(string(role));
     unsigned sid = std::stol(ivi_id);
+    WMError ret = this->lc->setXDGSurfaceOriginSize(sid);
+    if(ret != SUCCESS)
+    {
+        HMI_ERROR("%s", errorDescription(ret));
+        HMI_WARNING("The main user of this API is runXDG");
+        return "fail";
+    }
 
-    if (!lid)
+    // auto lid = this->layers.get_layer_id(string(role));
+    auto lid = this->lc->getLayerID(string(role));
+    if (lid == 0)
     {
         /**
        * register drawing_name as fallback and make it displayed.
        */
-        lid = this->layers.get_layer_id(string("fallback"));
+        lid = this->lc->getLayerID(string("fallback"));
         HMI_DEBUG("%s is not registered in layers.json, then fallback as normal app", role);
-        if (!lid)
+        if (lid == 0)
         {
             return "Drawing name does not match any role, fallback is disabled";
         }
     }
 
-    auto rname = this->lookup_id(role);
+    auto rname = this->id_alloc.lookup(role);
 
     if (rname)
     {
@@ -323,17 +246,13 @@ char const *WindowManager::api_request_surface(char const *appid, char const *dr
 
     // register pair drawing_name and ivi_id
     this->id_alloc.register_name_id(role, sid);
-    this->layers.add_surface(sid, *lid);
-
-    // this surface is already created
-    HMI_DEBUG("surface_id is %u, layer_id is %u", sid, *lid);
+    this->lc->addSurface(sid, lid);
 
-    this->controller->layers[*lid]->add_surface(sid);
-    this->layout_commit();
+    HMI_DEBUG("surface_id is %u, layer_id is %u", sid, lid);
 
-    // add client into the db
+    // add client into the list
     string appid_str(appid);
-    g_app_list.addClient(appid_str, *lid, sid, string(role));
+    g_app_list.addClient(appid_str, lid, sid, string(role));
 
     // Set role map of (new, old)
     this->rolenew2old[role] = string(drawing_name);
@@ -351,6 +270,14 @@ void WindowManager::api_activate_surface(char const *appid, char const *drawing_
     string id = appid;
     string role = c_role;
     string area = drawing_area;
+
+    if(!g_app_list.contains(id))
+    {
+        reply("app doesn't request 'requestSurface' or 'setRole' yet");
+        return;
+    }
+
+    auto client = g_app_list.lookUpClient(id);
     Task task = Task::TASK_ALLOCATE;
     unsigned req_num = 0;
     WMError ret = WMError::UNKNOWN;
@@ -375,7 +302,7 @@ void WindowManager::api_activate_surface(char const *appid, char const *drawing_
     /*
      * Do allocate tasks
      */
-    ret = this->doTransition(req_num);
+    ret = this->checkPolicy(req_num);
 
     if (ret != WMError::SUCCESS)
     {
@@ -423,7 +350,7 @@ void WindowManager::api_deactivate_surface(char const *appid, char const *drawin
     /*
     * Do allocate tasks
     */
-    ret = this->doTransition(req_num);
+    ret = this->checkPolicy(req_num);
 
     if (ret != WMError::SUCCESS)
     {
@@ -478,23 +405,23 @@ void WindowManager::api_enddraw(char const *appid, char const *drawing_name)
     }
 }
 
-result<json_object *> WindowManager::api_get_display_info()
+int WindowManager::api_subscribe(afb_req req, int event_id)
 {
-    if (!this->display->ok())
-    {
-        return Err<json_object *>("Wayland compositor is not available");
-    }
+    struct afb_event event = this->map_afb_event[kListEventName[event_id]];
+    return afb_req_subscribe(req, event);
+}
 
-    // Set display info
-    compositor::size o_size = this->controller->output_size;
-    compositor::size p_size = this->controller->physical_size;
+result<json_object *> WindowManager::api_get_display_info()
+{
+    Screen screen = this->lc->getScreenInfo();
 
     json_object *object = json_object_new_object();
-    json_object_object_add(object, kKeyWidthPixel, json_object_new_int(o_size.w));
-    json_object_object_add(object, kKeyHeightPixel, json_object_new_int(o_size.h));
-    json_object_object_add(object, kKeyWidthMm, json_object_new_int(p_size.w));
-    json_object_object_add(object, kKeyHeightMm, json_object_new_int(p_size.h));
-    json_object_object_add(object, kKeyScale, json_object_new_double(this->controller->scale));
+    json_object_object_add(object, kKeyWidthPixel, json_object_new_int(screen.width()));
+    json_object_object_add(object, kKeyHeightPixel, json_object_new_int(screen.height()));
+    // TODO: set size
+    json_object_object_add(object, kKeyWidthMm, json_object_new_int(0));
+    json_object_object_add(object, kKeyHeightMm, json_object_new_int(0));
+    json_object_object_add(object, kKeyScale, json_object_new_double(this->lc->scale()));
 
     return Ok<json_object *>(object);
 }
@@ -508,25 +435,14 @@ result<json_object *> WindowManager::api_get_area_info(char const *drawing_name)
     const char *role = this->convertRoleOldToNew(drawing_name);
 
     // Check drawing name, surface/layer id
-    auto const &surface_id = this->lookup_id(role);
+    auto const &surface_id = this->id_alloc.lookup(role);
     if (!surface_id)
     {
         return Err<json_object *>("Surface does not exist");
     }
 
-    if (!this->controller->surface_exists(*surface_id))
-    {
-        return Err<json_object *>("Surface does not exist in controller!");
-    }
-
-    auto layer_id = this->layers.get_layer_id(*surface_id);
-    if (!layer_id)
-    {
-        return Err<json_object *>("Surface is not on any layer!");
-    }
-
     // Set area rectangle
-    compositor::rect area_info = this->area_info[*surface_id];
+    struct rect area_info = this->area_info[*surface_id];
     json_object *object = json_object_new_object();
     json_object_object_add(object, kKeyX, json_object_new_int(area_info.x));
     json_object_object_add(object, kKeyY, json_object_new_int(area_info.y));
@@ -536,14 +452,10 @@ result<json_object *> WindowManager::api_get_area_info(char const *drawing_name)
     return Ok<json_object *>(object);
 }
 
-void WindowManager::api_ping() { this->dispatch_pending_events(); }
-
-void WindowManager::send_event(char const *evname, char const *label)
+void WindowManager::send_event(const string& evname, const string& role)
 {
-    HMI_DEBUG("%s: %s(%s)", __func__, evname, label);
-
     json_object *j = json_object_new_object();
-    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
+    json_object_object_add(j, kKeyDrawingName, json_object_new_string(role.c_str()));
 
     int ret = afb_event_push(this->map_afb_event[evname], j);
     if (ret != 0)
@@ -552,12 +464,9 @@ void WindowManager::send_event(char const *evname, char const *label)
     }
 }
 
-void WindowManager::send_event(char const *evname, char const *label, char const *area,
+void WindowManager::send_event(const string& evname, const string& role, const string& area,
                      int x, int y, int w, int h)
 {
-    HMI_DEBUG("%s: %s(%s, %s) x:%d y:%d w:%d h:%d",
-              __func__, evname, label, area, x, y, w, h);
-
     json_object *j_rect = json_object_new_object();
     json_object_object_add(j_rect, kKeyX, json_object_new_int(x));
     json_object_object_add(j_rect, kKeyY, json_object_new_int(y));
@@ -565,8 +474,8 @@ void WindowManager::send_event(char const *evname, char const *label, char const
     json_object_object_add(j_rect, kKeyHeight, json_object_new_int(h));
 
     json_object *j = json_object_new_object();
-    json_object_object_add(j, kKeyDrawingName, json_object_new_string(label));
-    json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area));
+    json_object_object_add(j, kKeyDrawingName, json_object_new_string(role.c_str()));
+    json_object_object_add(j, kKeyDrawingArea, json_object_new_string(area.c_str()));
     json_object_object_add(j, kKeyDrawingRect, j_rect);
 
     int ret = afb_event_push(this->map_afb_event[evname], j);
@@ -579,29 +488,22 @@ void WindowManager::send_event(char const *evname, char const *label, char const
 /**
  * proxied events
  */
-void WindowManager::surface_created(uint32_t surface_id)
+void WindowManager::surface_created(unsigned surface_id)
 {
-    this->controller->get_surface_properties(surface_id, IVI_WM_PARAM_SIZE);
-
-    auto layer_id = this->layers.get_layer_id(surface_id);
-    if (!layer_id)
+    // requestSurface
+    if(this->tmp_surface2app.count(surface_id) != 0)
     {
-        HMI_DEBUG("Newly created surfce %d is not associated with any layer!",
-                  surface_id);
-        return;
+        unsigned layer_id = this->tmp_surface2app[surface_id].layer;
+        this->lc->addSurface(surface_id, layer_id);
+        this->tmp_surface2app.erase(surface_id);
+        HMI_DEBUG("surface_id is %u, layer_id is %u", surface_id, layer_id);
     }
-
-    HMI_DEBUG("surface_id is %u, layer_id is %u", surface_id, *layer_id);
-
-    this->controller->layers[*layer_id]->add_surface(surface_id);
-    this->layout_commit();
 }
 
-void WindowManager::surface_removed(uint32_t surface_id)
+void WindowManager::surface_removed(unsigned surface_id)
 {
     HMI_DEBUG("Delete surface_id %u", surface_id);
     this->id_alloc.remove_id(surface_id);
-    this->layers.remove_surface(surface_id);
     g_app_list.removeSurface(surface_id);
 }
 
@@ -653,7 +555,7 @@ void WindowManager::startTransitionWrapper(vector<WMAction> &actions)
         if ("" != act.role)
         {
             bool found;
-            auto const &surface_id = this->lookup_id(act.role.c_str());
+            auto const &surface_id = this->id_alloc.lookup(act.role.c_str());
             if(surface_id == nullopt)
             {
                 goto proc_remove_request;
@@ -727,281 +629,44 @@ void WindowManager::processError(WMError error)
  ******* Private Functions *******
  */
 
-bool WindowManager::pop_pending_events()
+void WindowManager::emit_activated(const string& role)
 {
-    bool x{true};
-    return this->pending_events.compare_exchange_strong(
-        x, false, std::memory_order_consume);
+    this->send_event(kListEventName[Event_Active], role);
 }
 
-optional<int> WindowManager::lookup_id(char const *name)
-{
-    return this->id_alloc.lookup(string(name));
-}
-optional<string> WindowManager::lookup_name(int id)
+void WindowManager::emit_deactivated(const string& role)
 {
-    return this->id_alloc.lookup(id);
+    this->send_event(kListEventName[Event_Inactive], role);
 }
 
-/**
- * init_layers()
- */
-int WindowManager::init_layers()
+void WindowManager::emit_syncdraw(const string& role, char const *area, int x, int y, int w, int h)
 {
-    if (!this->controller)
-    {
-        HMI_ERROR("ivi_controller global not available");
-        return -1;
-    }
-
-    if (this->outputs.empty())
-    {
-        HMI_ERROR("no output was set up!");
-        return -1;
-    }
-
-    auto &c = this->controller;
-
-    auto &o = this->outputs.front();
-    auto &s = c->screens.begin()->second;
-    auto &layers = c->layers;
-
-    // Write output dimensions to ivi controller...
-    c->output_size = compositor::size{uint32_t(o->width), uint32_t(o->height)};
-    c->physical_size = compositor::size{uint32_t(o->physical_width),
-                                        uint32_t(o->physical_height)};
-
-
-    HMI_DEBUG("SCALING: screen (%dx%d), physical (%dx%d)",
-              o->width, o->height, o->physical_width, o->physical_height);
-
-    this->layers.loadAreaDb();
-
-    const compositor::rect css_bg = this->layers.getAreaSize("fullscreen");
-    rectangle dp_bg(o->width, o->height);
-
-    dp_bg.set_aspect(static_cast<double>(css_bg.w) / css_bg.h);
-    dp_bg.fit(o->width, o->height);
-    dp_bg.center(o->width, o->height);
-    HMI_DEBUG("SCALING: CSS BG(%dx%d) -> DDP %dx%d,(%dx%d)",
-              css_bg.w, css_bg.h, dp_bg.left(), dp_bg.top(), dp_bg.width(), dp_bg.height());
-
-    // Clear scene
-    layers.clear();
-
-    // Clear screen
-    s->clear();
-
-    // Quick and dirty setup of layers
-    for (auto const &i : this->layers.mapping)
-    {
-        c->layer_create(i.second.layer_id, dp_bg.width(), dp_bg.height());
-        auto &l = layers[i.second.layer_id];
-        l->set_destination_rectangle(dp_bg.left(), dp_bg.top(), dp_bg.width(), dp_bg.height());
-        l->set_visibility(1);
-        HMI_DEBUG("Setting up layer %s (%d) for surface role match \"%s\"",
-                  i.second.name.c_str(), i.second.layer_id, i.second.role.c_str());
-    }
-
-    // Add layers to screen
-    s->set_render_order(this->layers.layers);
-
-    this->layout_commit();
-
-    c->scale = static_cast<double>(dp_bg.height()) / css_bg.h;
-    this->layers.setupArea(c->scale);
-
-    return 0;
-}
-
-void WindowManager::surface_set_layout(int surface_id, const string& area)
-{
-    if (!this->controller->surface_exists(surface_id))
-    {
-        HMI_ERROR("Surface %d does not exist", surface_id);
-        return;
-    }
-
-    auto o_layer_id = this->layers.get_layer_id(surface_id);
-
-    if (!o_layer_id)
-    {
-        HMI_ERROR("Surface %d is not associated with any layer!", surface_id);
-        return;
-    }
-
-    uint32_t layer_id = *o_layer_id;
-
-    auto const &layer = this->layers.get_layer(layer_id);
-    auto rect = this->layers.getAreaSize(area);
-    HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "%s : x:%d y:%d w:%d h:%d", area.c_str(),
-                    rect.x, rect.y, rect.w, rect.h);
-    auto &s = this->controller->surfaces[surface_id];
-
-    int x = rect.x;
-    int y = rect.y;
-    int w = rect.w;
-    int h = rect.h;
-
-    HMI_DEBUG("surface_set_layout for surface %u on layer %u", surface_id,
-              layer_id);
-
-    // set destination to the display rectangle
-    s->set_destination_rectangle(x, y, w, h);
-
-    // update area information
-    this->area_info[surface_id].x = x;
-    this->area_info[surface_id].y = y;
-    this->area_info[surface_id].w = w;
-    this->area_info[surface_id].h = h;
-
-    HMI_DEBUG("Surface %u now on layer %u with rect { %d, %d, %d, %d }",
-              surface_id, layer_id, x, y, w, h);
-}
-
-void WindowManager::layout_commit()
-{
-    this->controller->commit_changes();
-    this->display->flush();
-}
-
-void WindowManager::emit_activated(char const *label)
-{
-    this->send_event(kListEventName[Event_Active], label);
-}
-
-void WindowManager::emit_deactivated(char const *label)
-{
-    this->send_event(kListEventName[Event_Inactive], label);
-}
-
-void WindowManager::emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h)
-{
-    this->send_event(kListEventName[Event_SyncDraw], label, area, x, y, w, h);
+    this->send_event(kListEventName[Event_SyncDraw], role, area, x, y, w, h);
 }
 
 void WindowManager::emit_syncdraw(const string &role, const string &area)
 {
-    compositor::rect rect = this->layers.getAreaSize(area);
+    struct rect rect = this->lc->getAreaSize(area);
     this->send_event(kListEventName[Event_SyncDraw],
         role.c_str(), area.c_str(), rect.x, rect.y, rect.w, rect.h);
 }
 
-void WindowManager::emit_flushdraw(char const *label)
+void WindowManager::emit_flushdraw(const string& role)
 {
-    this->send_event(kListEventName[Event_FlushDraw], label);
+    this->send_event(kListEventName[Event_FlushDraw], role);
 }
 
-void WindowManager::emit_visible(char const *label, bool is_visible)
+void WindowManager::emit_visible(const string& role, bool is_visible)
 {
-    this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], label);
+    this->send_event(is_visible ? kListEventName[Event_Visible] : kListEventName[Event_Invisible], role);
 }
 
-void WindowManager::emit_invisible(char const *label)
+void WindowManager::emit_invisible(const string& role)
 {
-    return emit_visible(label, false);
+    return emit_visible(role, false);
 }
 
-void WindowManager::emit_visible(char const *label) { return emit_visible(label, true); }
-
-void WindowManager::activate(int id)
-{
-    auto ip = this->controller->sprops.find(id);
-    if (ip != this->controller->sprops.end())
-    {
-        this->controller->surfaces[id]->set_visibility(1);
-        char const *label =
-            this->lookup_name(id).value_or("unknown-name").c_str();
-
-         // FOR CES DEMO >>>
-        if ((0 == strcmp(label, "radio")) ||
-            (0 == strcmp(label, "music")) ||
-            (0 == strcmp(label, "video")) ||
-            (0 == strcmp(label, "map")))
-        {
-            for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
-            {
-                if (id == *i)
-                {
-                    // Remove id
-                    this->surface_bg.erase(i);
-
-                    // Remove from BG layer (999)
-                    HMI_DEBUG("Remove %s(%d) from BG layer", label, id);
-                    this->controller->layers[999]->remove_surface(id);
-
-                    // Add to FG layer (1001)
-                    HMI_DEBUG("Add %s(%d) to FG layer", label, id);
-                    this->controller->layers[1001]->add_surface(id);
-
-                    for (int j : this->surface_bg)
-                    {
-                        HMI_DEBUG("Stored id:%d", j);
-                    }
-                    break;
-                }
-            }
-        }
-        // <<< FOR CES DEMO
-
-        this->layout_commit();
-
-        // TODO: application requests by old role,
-        //       so convert role new to old for emitting event
-        const char* old_role = this->rolenew2old[label].c_str();
-
-        this->emit_visible(old_role);
-        this->emit_activated(old_role);
-    }
-}
-
-void WindowManager::deactivate(int id)
-{
-    auto ip = this->controller->sprops.find(id);
-    if (ip != this->controller->sprops.end())
-    {
-        char const *label =
-            this->lookup_name(id).value_or("unknown-name").c_str();
-
-        // FOR CES DEMO >>>
-        if ((0 == strcmp(label, "radio")) ||
-            (0 == strcmp(label, "music")) ||
-            (0 == strcmp(label, "video")) ||
-            (0 == strcmp(label, "map")))
-        {
-
-            // Store id
-            this->surface_bg.push_back(id);
-
-            // Remove from FG layer (1001)
-            HMI_DEBUG("Remove %s(%d) from FG layer", label, id);
-            this->controller->layers[1001]->remove_surface(id);
-
-            // Add to BG layer (999)
-            HMI_DEBUG("Add %s(%d) to BG layer", label, id);
-            this->controller->layers[999]->add_surface(id);
-
-            for (int j : surface_bg)
-            {
-                HMI_DEBUG("Stored id:%d", j);
-            }
-        }
-        else
-        {
-            this->controller->surfaces[id]->set_visibility(0);
-        }
-        // <<< FOR CES DEMO
-
-        this->layout_commit();
-
-        // TODO: application requests by old role,
-        //       so convert role new to old for emitting event
-        const char* old_role = this->rolenew2old[label].c_str();
-
-        this->emit_deactivated(old_role);
-        this->emit_invisible(old_role);
-    }
-}
+void WindowManager::emit_visible(const string& role) { return emit_visible(role, true); }
 
 WMError WindowManager::setRequest(const string& appid, const string &role, const string &area,
                             Task task, unsigned* req_num)
@@ -1035,13 +700,6 @@ WMError WindowManager::setRequest(const string& appid, const string &role, const
     return WMError::SUCCESS;
 }
 
-WMError WindowManager::doTransition(unsigned req_num)
-{
-    HMI_SEQ_DEBUG(req_num, "check policy");
-    WMError ret = this->checkPolicy(req_num);
-    return ret;
-}
-
 WMError WindowManager::checkPolicy(unsigned req_num)
 {
     /*
@@ -1131,11 +789,14 @@ WMError WindowManager::startTransition(unsigned req_num)
         // Make it deactivate here
         for (const auto &x : actions)
         {
-            if (g_app_list.contains(x.client->appID()))
+            this->lc->visibilityChange(x);
+            string old_role = this->rolenew2old[x.role];
+            emit_deactivated(old_role.c_str());
+            /* if (g_app_list.contains(x.client->appID()))
             {
                 auto client = g_app_list.lookUpClient(x.client->appID());
                 this->deactivate(client->surfaceID(x.role));
-            }
+            } */
         }
         ret = WMError::NO_LAYOUT_CHANGE;
     }
@@ -1162,17 +823,26 @@ WMError WindowManager::doEndDraw(unsigned req_num)
         if(act.visible != TaskVisible::NO_CHANGE)
         {
             // layout change
-            if(!g_app_list.contains(act.client->appID())){
-                ret = WMError::NOT_REGISTERED;
-            }
-            ret = this->layoutChange(act);
+            ret = this->lc->layoutChange(act);
             if(ret != WMError::SUCCESS)
             {
                 HMI_SEQ_WARNING(req_num,
                     "Failed to manipulate surfaces while state change : %s", errorDescription(ret));
                 return ret;
             }
-            ret = this->visibilityChange(act);
+            ret = this->lc->visibilityChange(act);
+
+            // Emit active/deactive event
+            string old_role = this->rolenew2old[act.role];
+            if(act.visible == VISIBLE)
+            {
+                emit_activated(old_role.c_str());
+            }
+            else
+            {
+                emit_deactivated(old_role.c_str());
+            }
+
             if (ret != WMError::SUCCESS)
             {
                 HMI_SEQ_WARNING(req_num,
@@ -1180,10 +850,8 @@ WMError WindowManager::doEndDraw(unsigned req_num)
                 return ret;
             }
             HMI_SEQ_DEBUG(req_num, "visible %s", act.role.c_str());
-            //this->lm_enddraw(act.role.c_str());
         }
     }
-    this->layout_commit();
 
     HMI_SEQ_INFO(req_num, "emit flushDraw");
 
@@ -1202,60 +870,6 @@ WMError WindowManager::doEndDraw(unsigned req_num)
     return ret;
 }
 
-WMError WindowManager::layoutChange(const WMAction &action)
-{
-    if (action.visible == TaskVisible::INVISIBLE)
-    {
-        // Visibility is not change -> no redraw is required
-        return WMError::SUCCESS;
-    }
-    auto client = g_app_list.lookUpClient(action.client->appID());
-    unsigned surface = client->surfaceID(action.role);
-    if (surface == 0)
-    {
-        HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
-                      "client doesn't have surface with role(%s)", action.role.c_str());
-        return WMError::NOT_REGISTERED;
-    }
-    // Layout Manager
-    WMError ret = this->setSurfaceSize(surface, action.area);
-    return ret;
-}
-
-WMError WindowManager::visibilityChange(const WMAction &action)
-{
-    HMI_SEQ_DEBUG(g_app_list.currentRequestNumber(), "Change visibility");
-    if(!g_app_list.contains(action.client->appID()))
-    {
-        return WMError::NOT_REGISTERED;
-    }
-    auto client = g_app_list.lookUpClient(action.client->appID());
-    unsigned surface = client->surfaceID(action.role);
-    if(surface == 0)
-    {
-        HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
-                      "client doesn't have surface with role(%s)", action.role.c_str());
-        return WMError::NOT_REGISTERED;
-    }
-
-    if (action.visible != TaskVisible::INVISIBLE)
-    {
-        this->activate(surface); // Layout Manager task
-    }
-    else
-    {
-        this->deactivate(surface); // Layout Manager task
-    }
-    return WMError::SUCCESS;
-}
-
-WMError WindowManager::setSurfaceSize(unsigned surface, const string &area)
-{
-    this->surface_set_layout(surface, area);
-
-    return WMError::SUCCESS;
-}
-
 void WindowManager::emitScreenUpdated(unsigned req_num)
 {
     // Get visible apps
@@ -1331,7 +945,7 @@ void WindowManager::processNextRequest()
     if (g_app_list.haveRequest())
     {
         HMI_SEQ_DEBUG(req_num, "Process next request");
-        WMError rc = doTransition(req_num);
+        WMError rc = checkPolicy(req_num);
         if (rc != WMError::SUCCESS)
         {
             HMI_SEQ_ERROR(req_num, errorDescription(rc));
@@ -1444,25 +1058,11 @@ int WindowManager::loadOldRoleDb()
 
 const char *WindowManager::check_surface_exist(const char *drawing_name)
 {
-    auto const &surface_id = this->lookup_id(drawing_name);
+    auto const &surface_id = this->id_alloc.lookup(drawing_name);
     if (!surface_id)
     {
         return "Surface does not exist";
     }
-
-    if (!this->controller->surface_exists(*surface_id))
-    {
-        return "Surface does not exist in controller!";
-    }
-
-    auto layer_id = this->layers.get_layer_id(*surface_id);
-
-    if (!layer_id)
-    {
-        return "Surface is not on any layer!";
-    }
-
-    HMI_DEBUG("surface %d is detected", *surface_id);
     return nullptr;
 }
 
@@ -1535,26 +1135,4 @@ const char* WindowManager::kDefaultOldRoleDb = "{ \
     ] \
 }";
 
-/**
- * controller_hooks
- */
-void controller_hooks::surface_created(uint32_t surface_id)
-{
-    this->wmgr->surface_created(surface_id);
-}
-
-void controller_hooks::surface_removed(uint32_t surface_id)
-{
-    this->wmgr->surface_removed(surface_id);
-}
-
-void controller_hooks::surface_visibility(uint32_t /*surface_id*/,
-                                          uint32_t /*v*/) {}
-
-void controller_hooks::surface_destination_rectangle(uint32_t /*surface_id*/,
-                                                     uint32_t /*x*/,
-                                                     uint32_t /*y*/,
-                                                     uint32_t /*w*/,
-                                                     uint32_t /*h*/) {}
-
 } // namespace wm
diff --git a/src/window_manager.hpp b/src/window_manager.hpp
index b591149..6416e67 100644
--- a/src/window_manager.hpp
+++ b/src/window_manager.hpp
@@ -21,14 +21,12 @@
 #include <memory>
 #include <unordered_map>
 #include <experimental/optional>
-#include "util.hpp"
-#include "controller_hooks.hpp"
-#include "wm_layer.hpp"
-#include "layout.hpp"
-#include "wayland_ivi_wm.hpp"
+#include "result.hpp"
 #include "pm_wrapper.hpp"
+#include "util.hpp"
 #include "request.hpp"
 #include "wm_error.hpp"
+#include "wm_layer_control.hpp"
 extern "C"
 {
 #include <afb/afb-binding.h>
@@ -36,16 +34,6 @@ extern "C"
 
 struct json_object;
 
-namespace wl
-{
-struct display;
-}
-
-namespace compositor
-{
-struct controller;
-}
-
 namespace wm
 {
 
@@ -76,7 +64,6 @@ extern const char kKeyIds[];
 struct id_allocator
 {
     unsigned next = 1;
-
     // Surfaces that where requested but not yet created
     std::unordered_map<unsigned, std::string> id2name;
     std::unordered_map<std::string, unsigned> name2id;
@@ -141,10 +128,17 @@ struct id_allocator
     }
 };
 
+struct TmpClient
+{
+    std::string   appid;
+    unsigned layer;
+};
+
+
 class WindowManager
 {
   public:
-    typedef std::unordered_map<uint32_t, struct compositor::rect> rect_map;
+    typedef std::unordered_map<uint32_t, struct rect> rect_map;
     typedef std::function<void(const char *err_msg)> reply_func;
 
     enum EventType
@@ -167,42 +161,7 @@ class WindowManager
         Event_Val_Max = Event_Error,
     };
 
-    const std::vector<const char *> kListEventName{
-        "active",
-        "inactive",
-        "visible",
-        "invisible",
-        "syncDraw",
-        "flushDraw",
-        "screenUpdated",
-        "error"};
-
-    struct controller_hooks chooks;
-
-    // This is the one thing, we do not own.
-    struct wl::display *display;
-
-    std::unique_ptr<struct compositor::controller> controller;
-    std::vector<std::unique_ptr<struct wl::output>> outputs;
-
-    // track current layouts separately
-    layer_map layers;
-
-    // ID allocation and proxy methods for lookup
-    struct id_allocator id_alloc;
-
-    // Set by AFB API when wayland events need to be dispatched
-    std::atomic<bool> pending_events;
-
-    std::map<const char *, struct afb_event> map_afb_event;
-
-    // Surface are info (x, y, w, h)
-    rect_map area_info;
-
-    // FOR CES DEMO
-    std::vector<int> surface_bg;
-
-    explicit WindowManager(wl::display *d);
+    explicit WindowManager();
     ~WindowManager() = default;
 
     WindowManager(WindowManager const &) = delete;
@@ -211,23 +170,22 @@ class WindowManager
     WindowManager &operator=(WindowManager &&) = delete;
 
     int init();
-    int dispatch_pending_events();
-    void set_pending_events();
 
     result<int> api_request_surface(char const *appid, char const *role);
     char const *api_request_surface(char const *appid, char const *role, char const *ivi_id);
     void api_activate_surface(char const *appid, char const *role, char const *drawing_area, const reply_func &reply);
     void api_deactivate_surface(char const *appid, char const *role, const reply_func &reply);
-    void api_enddraw(char const *appid, char const *role);
+    void  api_enddraw(char const *appid, char const *role);
+    int  api_subscribe(afb_req req, int event_id);
     result<json_object *> api_get_display_info();
     result<json_object *> api_get_area_info(char const *role);
     void api_ping();
-    void send_event(char const *evname, char const *label);
-    void send_event(char const *evname, char const *label, char const *area, int x, int y, int w, int h);
+    void send_event(const std::string& evname, const std::string& role);
+    void send_event(const std::string& evname, const std::string& role, const std::string& area, int x, int y, int w, int h);
 
     // Events from the compositor we are interested in
-    void surface_created(uint32_t surface_id);
-    void surface_removed(uint32_t surface_id);
+    void surface_created(unsigned surface_id);
+    void surface_removed(unsigned surface_id);
 
     void removeClient(const std::string &appid);
     void exceptionProcessForTransition();
@@ -239,35 +197,22 @@ class WindowManager
     void processError(WMError error);
 
   private:
-    bool pop_pending_events();
-    optional<int> lookup_id(char const *name);
-    optional<std::string> lookup_name(int id);
-    int init_layers();
-    void surface_set_layout(int surface_id, const std::string& area = "");
-    void layout_commit();
-
     // WM Events to clients
-    void emit_activated(char const *label);
-    void emit_deactivated(char const *label);
-    void emit_syncdraw(char const *label, char const *area, int x, int y, int w, int h);
+    void emit_activated(const std::string& role);
+    void emit_deactivated(const std::string& role);
+    void emit_syncdraw(const std::string& role, char const *area, int x, int y, int w, int h);
     void emit_syncdraw(const std::string &role, const std::string &area);
-    void emit_flushdraw(char const *label);
-    void emit_visible(char const *label, bool is_visible);
-    void emit_invisible(char const *label);
-    void emit_visible(char const *label);
+    void emit_flushdraw(const std::string& role);
+    void emit_visible(const std::string& role, bool is_visible);
+    void emit_invisible(const std::string& role);
+    void emit_visible(const std::string& role);
 
-    void activate(int id);
-    void deactivate(int id);
     WMError setRequest(const std::string &appid, const std::string &role, const std::string &area,
                              Task task, unsigned *req_num);
-    WMError doTransition(unsigned sequence_number);
     WMError checkPolicy(unsigned req_num);
     WMError startTransition(unsigned req_num);
 
     WMError doEndDraw(unsigned req_num);
-    WMError layoutChange(const WMAction &action);
-    WMError visibilityChange(const WMAction &action);
-    WMError setSurfaceSize(unsigned surface, const std::string& area);
     void    emitScreenUpdated(unsigned req_num);
 
     void setTimer();
@@ -279,12 +224,17 @@ class WindowManager
     const char *check_surface_exist(const char *role);
 
   private:
-    std::unordered_map<std::string, struct compositor::rect> area2size;
+    std::map<std::string, struct afb_event> map_afb_event;
+    std::unordered_map<std::string, struct rect> area2size;
     std::unordered_map<std::string, std::string> roleold2new;
     std::unordered_map<std::string, std::string> rolenew2old;
-
+    std::shared_ptr<LayerControl> lc;
     PMWrapper pmw;
+    rect_map area_info;
+    struct id_allocator id_alloc;
 
+    // ID allocation and proxy methods for lookup
+    std::unordered_map<unsigned, struct TmpClient> tmp_surface2app;
     static const char* kDefaultOldRoleDb;
 };
 
diff --git a/src/wm_layer.cpp b/src/wm_layer.cpp
index 6a98884..c702651 100644
--- a/src/wm_layer.cpp
+++ b/src/wm_layer.cpp
@@ -15,338 +15,34 @@
  */
 
 #include <regex>
-
+#include <ilm/ilm_control.h>
+#include <stdlib.h>
+#include "wm_client.hpp"
 #include "wm_layer.hpp"
 #include "json_helper.hpp"
 #include "util.hpp"
 
-namespace wm
-{
-
-using json = nlohmann::json;
-
-layer::layer(nlohmann::json const &j)
-{
-    this->role = j["role"];
-    this->name = j["name"];
-    this->layer_id = j["layer_id"];
-
-    HMI_DEBUG("layer_id:%d name:%s", this->layer_id, this->name.c_str());
-}
-
-struct result<struct layer_map> to_layer_map(nlohmann::json const &j)
-{
-    try
-    {
-        layer_map stl{};
-        auto m = j["mappings"];
-
-        std::transform(std::cbegin(m), std::cend(m),
-                       std::inserter(stl.mapping, stl.mapping.end()),
-                       [](nlohmann::json const &j) {
-                           return std::pair<int, struct layer>(
-                               j.value("layer_id", -1), layer(j));
-                       });
-
-        // TODO: add sanity checks here?
-        // * check for double IDs
-        // * check for double names/roles
-
-        stl.layers.reserve(m.size());
-        std::transform(std::cbegin(stl.mapping), std::cend(stl.mapping),
-                       std::back_inserter(stl.layers),
-                       [&stl](std::pair<int, struct layer> const &k) {
-                           stl.roles.emplace_back(
-                               std::make_pair(k.second.role, k.second.layer_id));
-                           return unsigned(k.second.layer_id);
-                       });
-
-        std::sort(stl.layers.begin(), stl.layers.end());
-
-        for (auto i : stl.mapping)
-        {
-            if (i.second.name.empty())
-            {
-                return Err<struct layer_map>("Found mapping w/o name");
-            }
-            if (i.second.layer_id == -1)
-            {
-                return Err<struct layer_map>("Found invalid/unset IDs in mapping");
-            }
-        }
-
-        auto msi = j.find("main_surface");
-        if (msi != j.end())
-        {
-            stl.main_surface_name = msi->value("surface_role", "");
-            stl.main_surface = -1;
-        }
-
-        return Ok(stl);
-    }
-    catch (std::exception &e)
-    {
-        return Err<struct layer_map>(e.what());
-    }
-}
-
-optional<int>
-layer_map::get_layer_id(int surface_id)
-{
-    auto i = this->surfaces.find(surface_id);
-    if (i != this->surfaces.end())
-    {
-        return optional<int>(i->second);
-    }
-    return nullopt;
-}
-
-optional<int> layer_map::get_layer_id(std::string const &role)
-{
-    for (auto const &r : this->roles)
-    {
-        auto re = std::regex(r.first);
-        if (std::regex_match(role, re))
-        {
-            HMI_DEBUG("role %s matches layer %d", role.c_str(), r.second);
-            return optional<int>(r.second);
-        }
-    }
-    HMI_DEBUG("role %s does NOT match any layer", role.c_str());
-    return nullopt;
-}
-
-json layer::to_json() const
-{
-    auto is_full = this->rect == compositor::full_rect;
-
-    json r{};
-    if (is_full)
-    {
-        r = {{"type", "full"}};
-    }
-    else
-    {
-        r = {{"type", "rect"},
-             {"rect",
-              {{"x", this->rect.x},
-               {"y", this->rect.y},
-               {"width", this->rect.w},
-               {"height", this->rect.h}}}};
-    }
-
-    return {
-        {"name", this->name},
-        {"role", this->role},
-        {"layer_id", this->layer_id},
-        {"area", r},
-    };
-}
+using std::string;
 
-json layer_map::to_json() const
+namespace wm
 {
-    json j{};
-    for (auto const &i : this->mapping)
-    {
-        j.push_back(i.second.to_json());
-    }
-    return j;
-}
 
-void layer_map::setupArea(double scaling)
+WMLayer::WMLayer(json_object* j)
 {
-    compositor::rect rct;
-
-    rct = this->area2size["normal.full"];
-    this->area2size["normalfull"] = rct;
-    this->area2size["normal"] = rct;
-
-    for (auto &i : this->area2size)
-    {
-        i.second.x = static_cast<int>(scaling * i.second.x + 0.5);
-        i.second.y = static_cast<int>(scaling * i.second.y + 0.5);
-        i.second.w = static_cast<int>(scaling * i.second.w + 0.5);
-        i.second.h = static_cast<int>(scaling * i.second.h + 0.5);
-
-        HMI_DEBUG("area:%s size(after) : x:%d y:%d w:%d h:%d",
-            i.first.c_str(), i.second.x, i.second.y, i.second.w, i.second.h);
-    }
-}
-
-compositor::rect layer_map::getAreaSize(const std::string &area)
-{
-    return area2size[area];
+    this->name = jh::getStringFromJson(j, "name");
+    this->role_list = jh::getStringFromJson(j, "role");
+    this->layer_id = static_cast<unsigned>(jh::getIntFromJson(j, "layer_id"));
 }
 
-int layer_map::loadAreaDb()
+bool WMLayer::hasRole(const string& role)
 {
-    // Get afm application installed dir
-    char const *afm_app_install_dir = getenv("AFM_APP_INSTALL_DIR");
-    HMI_DEBUG("afm_app_install_dir:%s", afm_app_install_dir);
-
-    std::string file_name;
-    if (!afm_app_install_dir)
-    {
-        HMI_ERROR("AFM_APP_INSTALL_DIR is not defined");
-    }
-    else
-    {
-        file_name = std::string(afm_app_install_dir) + std::string("/etc/areas.db");
-    }
-
-    // Load area.db
-    json_object *json_obj;
-    int ret = jh::inputJsonFilie(file_name.c_str(), &json_obj);
-    if (0 > ret)
-    {
-        HMI_DEBUG("Could not open area.db, so use default area information");
-        json_obj = json_tokener_parse(kDefaultAreaDb);
-    }
-    HMI_DEBUG("json_obj dump:%s", json_object_get_string(json_obj));
-
-    // Perse areas
-    HMI_DEBUG("Perse areas");
-    json_object *json_cfg;
-    if (!json_object_object_get_ex(json_obj, "areas", &json_cfg))
+    auto re = std::regex(this->role_list);
+    if (std::regex_match(role, re))
     {
-        HMI_ERROR("Parse Error!!");
-        return -1;
+        HMI_DEBUG("role %s matches layer %s", role.c_str(), this->name.c_str());
+        return true;
     }
-
-    int len = json_object_array_length(json_cfg);
-    HMI_DEBUG("json_cfg len:%d", len);
-    HMI_DEBUG("json_cfg dump:%s", json_object_get_string(json_cfg));
-
-    const char *area;
-    for (int i = 0; i < len; i++)
-    {
-        json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
-        HMI_DEBUG("> json_tmp dump:%s", json_object_get_string(json_tmp));
-
-        area = jh::getStringFromJson(json_tmp, "name");
-        if (nullptr == area)
-        {
-            HMI_ERROR("Parse Error!!");
-            return -1;
-        }
-        HMI_DEBUG("> area:%s", area);
-
-        json_object *json_rect;
-        if (!json_object_object_get_ex(json_tmp, "rect", &json_rect))
-        {
-            HMI_ERROR("Parse Error!!");
-            return -1;
-        }
-        HMI_DEBUG("> json_rect dump:%s", json_object_get_string(json_rect));
-
-        compositor::rect area_size;
-        area_size.x = jh::getIntFromJson(json_rect, "x");
-        area_size.y = jh::getIntFromJson(json_rect, "y");
-        area_size.w = jh::getIntFromJson(json_rect, "w");
-        area_size.h = jh::getIntFromJson(json_rect, "h");
-
-        this->area2size[area] = area_size;
-    }
-
-    // Check
-    for (auto itr = this->area2size.begin();
-         itr != this->area2size.end(); ++itr)
-    {
-        HMI_DEBUG("area:%s x:%d y:%d w:%d h:%d",
-                  itr->first.c_str(), itr->second.x, itr->second.y,
-                  itr->second.w, itr->second.h);
-    }
-
-    // Release json_object
-    json_object_put(json_obj);
-
-    return 0;
+    return false;
 }
 
-const char* layer_map::kDefaultAreaDb = "{ \
-    \"areas\": [ \
-        { \
-            \"name\": \"fullscreen\", \
-            \"rect\": { \
-                \"x\": 0, \
-                \"y\": 0, \
-                \"w\": 1080, \
-                \"h\": 1920 \
-            } \
-        }, \
-        { \
-            \"name\": \"normal.full\", \
-            \"rect\": { \
-                \"x\": 0, \
-                \"y\": 218, \
-                \"w\": 1080, \
-                \"h\": 1488 \
-            } \
-        }, \
-        { \
-            \"name\": \"split.main\", \
-            \"rect\": { \
-                \"x\": 0, \
-                \"y\": 218, \
-                \"w\": 1080, \
-                \"h\": 744 \
-            } \
-        }, \
-        { \
-            \"name\": \"split.sub\", \
-            \"rect\": { \
-                \"x\": 0, \
-                \"y\": 962, \
-                \"w\": 1080, \
-                \"h\": 744 \
-            } \
-        }, \
-        { \
-            \"name\": \"software_keyboard\", \
-            \"rect\": { \
-                \"x\": 0, \
-                \"y\": 962, \
-                \"w\": 1080, \
-                \"h\": 744 \
-            } \
-        }, \
-        { \
-            \"name\": \"restriction.normal\", \
-            \"rect\": { \
-                \"x\": 0, \
-                \"y\": 218, \
-                \"w\": 1080, \
-                \"h\": 1488 \
-            } \
-        }, \
-        { \
-            \"name\": \"restriction.split.main\", \
-            \"rect\": { \
-                \"x\": 0, \
-                \"y\": 218, \
-                \"w\": 1080, \
-                \"h\": 744 \
-            } \
-        }, \
-        { \
-            \"name\": \"restriction.split.sub\", \
-            \"rect\": { \
-                \"x\": 0, \
-                \"y\": 962, \
-                \"w\": 1080, \
-                \"h\": 744 \
-            } \
-        }, \
-        { \
-            \"name\": \"on_screen\", \
-            \"rect\": { \
-                \"x\": 0, \
-                \"y\": 218, \
-                \"w\": 1080, \
-                \"h\": 1488 \
-            } \
-        } \
-    ] \
-}";
-
 } // namespace wm
diff --git a/src/wm_layer.hpp b/src/wm_layer.hpp
index 4dd4616..1d9435b 100644
--- a/src/wm_layer.hpp
+++ b/src/wm_layer.hpp
@@ -14,145 +14,40 @@
  * limitations under the License.
  */
 
-#ifndef WM_LAYERS_H
-#define WM_LAYERS_H
+#ifndef WM_LAYER_HPP
+#define WM_LAYER_HPP
 
 #include <string>
+#include <vector>
+#include <unordered_map>
+#include <memory>
+#include "wm_error.hpp"
 
-#include "../include/json.hpp"
-#include "layout.hpp"
-#include "result.hpp"
-#include "wayland_ivi_wm.hpp"
+struct json_object;
 
 namespace wm
 {
 
-struct layer
+class WMLayer
 {
-    using json = nlohmann::json;
-
+  public:
+    explicit WMLayer(json_object* j);
+    ~WMLayer() = default;
     // A more or less descriptive name?
+    const std::string& layerName(){ return this->role_list;}
+    unsigned layerID(){ return this->layer_id;}
+    const std::string& roleList();
+    bool hasRole(const std::string& role);
+  private:
     std::string name = "";
     // The actual layer ID
-    int layer_id = -1;
-    // The rectangular region surfaces are allowed to draw on
-    // this layer.
-    compositor::rect rect;
+    int layer_id = 0;
+
     // Specify a role prefix for surfaces that should be
     // put on this layer.
-    std::string role;
-
-    mutable struct LayoutState state;
-
-    explicit layer(nlohmann::json const &j);
-
-    json to_json() const;
+    std::string role_list;
 };
 
-struct layer_map
-{
-    using json = nlohmann::json;
-
-    using storage_type = std::map<int, struct layer>;
-    using layers_type = std::vector<uint32_t>;
-    using role_to_layer_map = std::vector<std::pair<std::string, int>>;
-    using addsurf_layer_map = std::map<int, int>;
-
-    storage_type mapping; // map surface_id to layer
-    layers_type layers;   // the actual layer IDs we have
-    int main_surface;
-    std::string main_surface_name;
-    role_to_layer_map roles;
-    addsurf_layer_map surfaces; // additional surfaces on layers
-
-    optional<int> get_layer_id(int surface_id);
-    optional<int> get_layer_id(std::string const &role);
-    optional<struct LayoutState *> get_layout_state(int surface_id)
-    {
-        int layer_id = *this->get_layer_id(surface_id);
-        auto i = this->mapping.find(layer_id);
-        return i == this->mapping.end()
-                   ? nullopt
-                   : optional<struct LayoutState *>(&i->second.state);
-    }
-    optional<struct layer> get_layer(int layer_id)
-    {
-        auto i = this->mapping.find(layer_id);
-        return i == this->mapping.end() ? nullopt
-                                        : optional<struct layer>(i->second);
-    }
-
-    layers_type::size_type get_layers_count() const
-    {
-        return this->layers.size();
-    }
-
-    void add_surface(int surface_id, int layer_id)
-    {
-        this->surfaces[surface_id] = layer_id;
-    }
-
-    void remove_surface(int surface_id)
-    {
-        this->surfaces.erase(surface_id);
-    }
-
-    json to_json() const;
-    void setupArea(double scaling);
-    compositor::rect getAreaSize(const std::string &area);
-    int loadAreaDb();
-
-  private:
-    std::unordered_map<std::string, compositor::rect> area2size;
-
-    static const char *kDefaultAreaDb;
-};
-
-struct result<struct layer_map> to_layer_map(nlohmann::json const &j);
-
-static const nlohmann::json default_layers_json = {
-   {"main_surface", {
-      {"surface_role", "HomeScreen"}
-   }},
-   {"mappings", {
-      {
-         {"role", "^HomeScreen$"},
-         {"name", "HomeScreen"},
-         {"layer_id", 1000},
-         {"area", {
-            {"type", "full"}
-         }}
-      },
-      {
-         {"role", "MediaPlayer|Radio|Phone|Navigation|HVAC|Settings|Dashboard|POI|Mixer"},
-         {"name", "apps"},
-         {"layer_id", 1001},
-         {"area", {
-            {"type", "rect"},
-            {"rect", {
-               {"x", 0},
-               {"y", 218},
-               {"width", -1},
-               {"height", -433}
-            }}
-         }}
-      },
-      {
-         {"role", "^OnScreen.*"},
-         {"name", "popups"},
-         {"layer_id", 9999},
-         {"area", {
-            {"type", "rect"},
-            {"rect", {
-               {"x", 0},
-               {"y", 760},
-               {"width", -1},
-               {"height", 400}
-            }}
-         }}
-      }
-   }}
-};
 } // namespace wm
 
-#endif // WM_LAYERS_H
+#endif // WM_LAYER_HPP
diff --git a/src/wm_layer_control.cpp b/src/wm_layer_control.cpp
new file mode 100644
index 0000000..951c840
--- /dev/null
+++ b/src/wm_layer_control.cpp
@@ -0,0 +1,594 @@
+/*
+ * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <assert.h>
+#include <unistd.h>
+#include "wm_layer_control.hpp"
+#include "wm_layer.hpp"
+#include "wm_client.hpp"
+#include "request.hpp"
+#include "json_helper.hpp"
+
+#define LC_AREA_PATH "/etc/areas.db"
+#define LC_LAYER_SETTING_PATH "/etc/layers.json"
+#define LC_DEFAULT_AREA "fullscreen"
+#define BACK_GROUND_LAYER "BackGroundLayer"
+
+using std::string;
+using std::vector;
+using std::shared_ptr;
+
+namespace wm {
+
+LayerControl* g_lc_ctxt;
+
+static void createCallback_static(ilmObjectType object,
+                            t_ilm_uint id,
+                            t_ilm_bool created,
+                            void* data)
+{
+    static_cast<LayerControl*>(data)->dispatchCreateEvent(object, id, created);
+}
+
+static void surfaceCallback_static(t_ilm_surface surface,
+            struct ilmSurfaceProperties* surface_prop,
+            t_ilm_notification_mask mask)
+{
+    g_lc_ctxt->dispatchSurfacePropChangeEvent(surface, surface_prop, mask);
+}
+
+static void layerCallback_static(t_ilm_layer layer,
+            struct ilmLayerProperties* layer_prop,
+            t_ilm_notification_mask mask)
+{
+    g_lc_ctxt->dispatchLayerPropChangeEvent(layer, layer_prop, mask);
+}
+
+LayerControl::LayerControl(const std::string& root)
+{
+    string area_path = root + LC_AREA_PATH;
+    string layer_path= root + LC_LAYER_SETTING_PATH;
+    // load layers.setting.json
+    WMError ret = this->loadLayerSetting(layer_path);
+    assert(ret == WMError::SUCCESS);
+    // load areas.json
+    ret = this->loadAreaDb(area_path);
+    assert(ret == WMError::SUCCESS);
+}
+
+WMError LayerControl::init(const LayerControlCallbacks& cb)
+{
+    HMI_DEBUG("Initialize of ilm library and display");
+    t_ilm_uint num = 0;
+    t_ilm_uint *ids;
+    int cnt = 0;
+    ilmErrorTypes rc = ilm_init();
+
+    while (rc != ILM_SUCCESS)
+    {
+        cnt++;
+        if (20 <= cnt)
+        {
+            HMI_ERROR("Could not connect to compositor");
+            goto lc_init_error;
+        }
+        HMI_ERROR("Wait to start weston ...");
+        sleep(1);
+        rc = ilm_init();
+    }
+    if(rc != ILM_SUCCESS) goto lc_init_error;
+
+    // Get current screen setting
+    rc = ilm_getScreenIDs(&num, &ids);
+
+    if(rc != ILM_SUCCESS) goto lc_init_error;
+
+    for(unsigned i = 0; i < num; i++)
+    {
+        HMI_INFO("get screen: %d", ids[i]);
+    }
+    // Currently, 0 is only available
+    this->screenID = ids[0];
+
+    rc = ilm_getPropertiesOfScreen(this->screenID, &this->screen_prop);
+
+    if(rc != ILM_SUCCESS) goto lc_init_error;
+
+    // Register Callback to Window Manager and from ILM
+    this->cb = cb;
+    ilm_registerNotification(createCallback_static, this);
+
+    return WMError::SUCCESS;
+
+lc_init_error:
+    HMI_ERROR("Failed to initialize. Terminate WM");
+
+    return WMError::FAIL;
+}
+
+unsigned LayerControl::getLayerID(const string& role)
+{
+    unsigned ret = 0;
+    for(const auto& l: this->wm_layers)
+    {
+        if(l->hasRole(role))
+        {
+            ret = l->layerID();
+        }
+    }
+    return ret;
+}
+
+void LayerControl::addSurface(unsigned surface, unsigned layer)
+{
+    ilm_layerAddSurface(layer, surface);
+    ilm_commitChanges();
+}
+
+void LayerControl::createLayers()
+{
+    for(const auto &layer : this->wm_layers)
+    {
+        unsigned id = layer->layerID();
+        HMI_INFO("create new ID :%d", id);
+        struct rect rct = this->area2size[LC_DEFAULT_AREA];
+        ilm_layerCreateWithDimension(&id, rct.w, rct.h);
+        //ilm_layerSetSourceRectangle(id, rct.x, rct.y, rct.w, rct.h);
+        ilm_layerSetDestinationRectangle(id, this->offset_x, this->offset_y, rct.w, rct.h);
+        ilm_layerSetOpacity(id, 1.0);
+        ilm_layerSetVisibility(id, ILM_TRUE);
+        ilm_commitChanges();
+        /* auto wm_layer = getWMLayer(id);
+        wm_layer->addLayerToState(id); */
+    }
+    this->renderLayers();
+}
+
+shared_ptr<WMLayer> LayerControl::getWMLayer(unsigned layer)
+{
+    unsigned uuid = this->lid2wmlid[layer];
+    return this->wm_layers[uuid];
+}
+
+std::shared_ptr<WMLayer> LayerControl::getWMLayer(std::string layer_name)
+{
+    for(auto &l : this->wm_layers)
+    {
+        if(l->layerName() == layer_name)
+        {
+            return l;
+        }
+    }
+    return nullptr;
+}
+
+struct rect LayerControl::getAreaSize(const std::string& area)
+{
+    return area2size[area];
+}
+
+void LayerControl::setupArea(const rectangle& base_rct, double scaling)
+{
+    this->scaling = scaling;
+    this->offset_x = base_rct.left();
+    this->offset_y = base_rct.top();
+
+    for (auto &i : this->area2size)
+    {
+        i.second.x = static_cast<int>(scaling * i.second.x + 0.5);
+        i.second.y = static_cast<int>(scaling * i.second.y + 0.5);
+        i.second.w = static_cast<int>(scaling * i.second.w + 0.5);
+        i.second.h = static_cast<int>(scaling * i.second.h + 0.5);
+
+        HMI_DEBUG("area:%s size(after) : x:%d y:%d w:%d h:%d",
+            i.first.c_str(), i.second.x, i.second.y, i.second.w, i.second.h);
+    }
+}
+
+Screen LayerControl::getScreenInfo()
+{
+    return Screen(this->screen_prop.screenWidth, this->screen_prop.screenHeight);
+}
+
+double LayerControl::scale()
+{
+    return this->scaling;
+}
+
+WMError LayerControl::renderLayers()
+{
+    HMI_INFO("Commit change");
+    WMError rc = WMError::SUCCESS;
+
+    // Create render order
+    t_ilm_layer* id_array = new t_ilm_layer[this->wm_layers.size()];
+    if(id_array == nullptr)
+    {
+        HMI_WARNING("short memory");
+        return WMError::FAIL;
+    }
+    int count = 0;
+    for(const auto& i : this->wm_layers)
+    {
+        id_array[count] = i->layerID();
+        ++count;
+    }
+
+    // Display
+    ilmErrorTypes ret = ilm_displaySetRenderOrder(this->screenID, id_array, this->wm_layers.size());
+    if(ret != ILM_SUCCESS)
+    {
+        rc = WMError::FAIL;
+    }
+    ilm_commitChanges();
+    delete id_array;
+    return rc;
+}
+
+WMError LayerControl::setXDGSurfaceOriginSize(unsigned surface)
+{
+    WMError ret = WMError::NOT_REGISTERED;
+    ilmSurfaceProperties prop;
+    ilmErrorTypes rc = ilm_getPropertiesOfSurface(surface, &prop);
+    if(rc == ILM_SUCCESS)
+    {
+        HMI_INFO("xdg surface info %d, %d", prop.origSourceWidth, prop.origSourceHeight);
+        ilm_surfaceSetSourceRectangle(surface, 0, 0, prop.origSourceWidth, prop.origSourceHeight);
+        ret = WMError::SUCCESS;
+    }
+    return ret;
+}
+
+WMError LayerControl::loadLayerSetting(const string &path)
+{
+    HMI_DEBUG("loading WMLayer(Application Containers) Setting from %s", path);
+
+    json_object *json_obj, *json_cfg;
+    int ret = jh::inputJsonFilie(path.c_str(), &json_obj);
+    if (0 > ret)
+    {
+        HMI_ERROR("Could not open %s", path.c_str());
+        return WMError::FAIL;
+    }
+    HMI_INFO("json_obj dump:%s", json_object_get_string(json_obj));
+
+    if (!json_object_object_get_ex(json_obj, "mappings", &json_cfg))
+    {
+        HMI_ERROR("Parse Error!!");
+        return WMError::FAIL;
+    }
+
+    int len = json_object_array_length(json_cfg);
+    HMI_DEBUG("json_cfg len:%d", len);
+
+    for (int i = 0; i < len; i++)
+    {
+        json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
+        HMI_DEBUG("> json_tmp dump:%s", json_object_get_string(json_tmp));
+
+        this->wm_layers.emplace_back(std::make_shared<WMLayer>(json_tmp));
+    }
+    json_object_put(json_obj);
+
+    return WMError::SUCCESS;
+}
+
+WMError LayerControl::loadAreaDb(const std::string& path)
+{
+    // Load area.db
+    json_object *json_obj;
+    int ret = jh::inputJsonFilie(path.c_str(), &json_obj);
+    if (0 > ret)
+    {
+        HMI_ERROR("Could not open %s", path.c_str());
+        return WMError::FAIL;
+    }
+    HMI_INFO("json_obj dump:%s", json_object_get_string(json_obj));
+
+    // Perse areas
+    json_object *json_cfg;
+    if (!json_object_object_get_ex(json_obj, "areas", &json_cfg))
+    {
+        HMI_ERROR("Parse Error!!");
+        return WMError::FAIL;
+    }
+
+    int len = json_object_array_length(json_cfg);
+    HMI_DEBUG("json_cfg len:%d", len);
+
+    const char *area;
+    for (int i = 0; i < len; i++)
+    {
+        json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
+        HMI_DEBUG("> json_tmp dump:%s", json_object_get_string(json_tmp));
+
+        area = jh::getStringFromJson(json_tmp, "name");
+        if (nullptr == area)
+        {
+            HMI_ERROR("Parse Error!!");
+            return WMError::FAIL;
+        }
+        HMI_DEBUG("> area:%s", area);
+
+        json_object *json_rect;
+        if (!json_object_object_get_ex(json_tmp, "rect", &json_rect))
+        {
+            HMI_ERROR("Parse Error!!");
+            return WMError::FAIL;
+        }
+        HMI_DEBUG("> json_rect dump:%s", json_object_get_string(json_rect));
+
+        struct rect area_size;
+        area_size.x = jh::getIntFromJson(json_rect, "x");
+        area_size.y = jh::getIntFromJson(json_rect, "y");
+        area_size.w = jh::getIntFromJson(json_rect, "w");
+        area_size.h = jh::getIntFromJson(json_rect, "h");
+
+        this->area2size[area] = area_size;
+    }
+
+    // Check
+    for (const auto& itr : this->area2size)
+    {
+        HMI_DEBUG("area:%s x:%d y:%d w:%d h:%d",
+                  itr.first.c_str(), itr.second.x, itr.second.y,
+                  itr.second.w, itr.second.h);
+    }
+
+    // Release json_object
+    json_object_put(json_obj);
+
+    return WMError::SUCCESS;
+}
+
+WMError LayerControl::layoutChange(const WMAction& action)
+{
+    if (action.visible == TaskVisible::INVISIBLE)
+    {
+        // Visibility is not change -> no redraw is required
+        return WMError::SUCCESS;
+    }
+    if(action.client == nullptr)
+    {
+        HMI_SEQ_ERROR(action.req_num, "client may vanish");
+        return WMError::NOT_REGISTERED;
+    }
+    unsigned surface = action.client->surfaceID(action.role);
+
+    auto rect = this->getAreaSize(action.area);
+    HMI_DEBUG("Set layout %d, %d, %d, %d",rect.x, rect.y, rect.w, rect.h);
+    ilm_commitChanges();
+    ilm_surfaceSetDestinationRectangle(surface, rect.x, rect.y, rect.w, rect.h);
+    ilm_commitChanges();
+
+    return WMError::SUCCESS;
+}
+
+WMError LayerControl::visibilityChange(const WMAction& action)
+{
+    WMError ret = WMError::FAIL;
+    if(action.client == nullptr)
+    {
+        HMI_SEQ_ERROR(action.req_num, "client may vanish");
+        return WMError::NOT_REGISTERED;
+    }
+
+    if (action.visible == TaskVisible::VISIBLE)
+    {
+        ret = this->makeVisible(action.client, action.role);
+    }
+    else if (action.visible == TaskVisible::INVISIBLE)
+    {
+        ret = this->makeInvisible(action.client, action.role);
+    }
+    ilm_commitChanges();
+    return ret;
+}
+
+void LayerControl::dispatchCreateEvent(ilmObjectType object, unsigned id, bool created)
+{
+    if (ILM_SURFACE == object)
+    {
+        if (created)
+        {
+            ilmSurfaceProperties sp;
+            ilmErrorTypes rc;
+            rc = ilm_getPropertiesOfSurface(id, &sp);
+            if(rc != ILM_SUCCESS)
+            {
+                HMI_ERROR("Failed to get surface %d property due to %d", id, ilm_getError());
+                return;
+            }
+            this->cb.surfaceCreated(sp.creatorPid, id);
+            ilm_surfaceAddNotification(id, surfaceCallback_static);
+            ilm_surfaceSetType(id, ILM_SURFACETYPE_DESKTOP);
+        }
+        else
+        {
+            this->cb.surfaceDestroyed(id);
+        }
+    }
+    if (ILM_LAYER == object)
+    {
+        if(created)
+        {
+            ilm_layerAddNotification(id, layerCallback_static);
+        }
+        else
+        {
+            // Ignore here. Nothing to do currently.
+            // Process of application dead is handled by Window Manager
+            // from binder notification
+        }
+    }
+}
+
+void LayerControl::dispatchSurfacePropChangeEvent(unsigned id,
+        struct ilmSurfaceProperties* sprop,
+        t_ilm_notification_mask mask)
+{
+    /*
+      ILM_NOTIFICATION_CONTENT_AVAILABLE & ILM_NOTIFICATION_CONTENT_REMOVED
+      are not handled here, handled in create/destroy event
+     */
+    if (ILM_NOTIFICATION_VISIBILITY & mask)
+    {
+        HMI_DEBUG("surface %d turns visibility %d", id, sprop->visibility);
+    }
+    if (ILM_NOTIFICATION_OPACITY & mask)
+    {
+        HMI_DEBUG("surface %d turns opacity %f", id, sprop->opacity);
+    }
+    if (ILM_NOTIFICATION_SOURCE_RECT & mask)
+    {
+        HMI_DEBUG("surface %d source rect changes", id);
+    }
+    if (ILM_NOTIFICATION_DEST_RECT & mask)
+    {
+        HMI_DEBUG("surface %d dest rect changes", id);
+    }
+    if (ILM_NOTIFICATION_CONFIGURED & mask)
+    {
+        HMI_DEBUG("surface %d size %d, %d, %d, %d", id,
+            sprop->sourceX, sprop->sourceY, sprop->origSourceWidth, sprop->origSourceHeight);
+        ilm_surfaceSetSourceRectangle(id, 0, 0, sprop->origSourceWidth, sprop->origSourceHeight);
+    }
+}
+
+void LayerControl::dispatchLayerPropChangeEvent(unsigned id,
+        struct ilmLayerProperties* lprop,
+        t_ilm_notification_mask mask)
+{
+    if (ILM_NOTIFICATION_VISIBILITY & mask)
+    {
+        HMI_DEBUG("layer %d turns visibility %d", id, lprop->visibility);
+    }
+    if (ILM_NOTIFICATION_OPACITY & mask)
+    {
+        HMI_DEBUG("layer %d turns opacity %f", id, lprop->opacity);
+    }
+    if (ILM_NOTIFICATION_SOURCE_RECT & mask)
+    {
+        HMI_DEBUG("layer %d source rect changes", id);
+    }
+    if (ILM_NOTIFICATION_DEST_RECT & mask)
+    {
+        HMI_DEBUG("layer %d dest rect changes", id);
+    }
+}
+
+WMError LayerControl::makeVisible(const shared_ptr<WMClient> client, const string& role)
+{
+    WMError ret = WMError::SUCCESS;
+    // Don't check here the client is not nullptr
+    unsigned surface = client->surfaceID(role);
+
+    this->moveForeGround(client, role);
+
+    ilm_surfaceSetVisibility(surface, ILM_TRUE);
+
+    return ret;
+}
+
+WMError LayerControl::makeInvisible(const shared_ptr<WMClient> client, const string& role)
+{
+    WMError ret = WMError::SUCCESS;
+    unsigned surface = client->surfaceID(role); // Don't check here the client is not nullptr
+
+    bool mv_ok = this->moveBackGround(client, role);
+
+    if(!mv_ok)
+    {
+        HMI_INFO("make invisible client %s", client->appID().c_str());
+        ilm_surfaceSetVisibility(surface, ILM_FALSE);
+    }
+
+    return ret;
+}
+
+bool LayerControl::moveBackGround(const shared_ptr<WMClient> client, const string& role)
+{
+    bool ret = false;
+    const char* label = role.c_str();
+
+    if ((0 == strcmp(label, "radio")) ||
+        (0 == strcmp(label, "music")) ||
+        (0 == strcmp(label, "video")) ||
+        (0 == strcmp(label, "map")))
+    {
+        unsigned surface = client->surfaceID(role);
+        this->surface_bg.push_back(surface);
+        auto bg = this->getWMLayer(BACK_GROUND_LAYER);
+        auto layer = 0;
+        for(const auto& l : this->wm_layers)
+        {
+            if(l->hasRole(role))
+            {
+                layer = l->layerID();
+                ilm_layerRemoveSurface(layer, surface);
+                ilm_layerAddSurface(bg->layerID(), surface);
+                ret = true;
+                break;
+            }
+        }
+    }
+    ilm_commitChanges();
+    return ret;
+}
+
+bool LayerControl::moveForeGround(const shared_ptr<WMClient> client, const string& role)
+{
+    bool ret = false;
+    const char* label = role.c_str();
+
+    // Move foreground from foreground layer
+    if ((0 == strcmp(label, "radio")) ||
+        (0 == strcmp(label, "music")) ||
+        (0 == strcmp(label, "video")) ||
+        (0 == strcmp(label, "map")))
+    {
+        for (auto i = surface_bg.begin(); i != surface_bg.end(); ++i)
+        {
+            if (client->surfaceID(role) == *i)
+            {
+                // Remove id
+                unsigned surface = *i;
+
+                this->surface_bg.erase(i);
+
+                // Remove from BG layer (999)
+                HMI_DEBUG("wm", "Remove %s(%d) from BG layer", label, surface);
+                auto bg = this->getWMLayer(BACK_GROUND_LAYER);
+                unsigned layer = 0;
+                for(const auto& l : this->wm_layers)
+                {
+                    if(l->hasRole(role))
+                    {
+                        layer = l->layerID();
+                        break;
+                    }
+                }
+                ilm_layerRemoveSurface(bg->layerID(), surface);
+                ilm_layerAddSurface(layer, surface);
+                ret = true;
+                break;
+            }
+        }
+    }
+    ilm_commitChanges();
+    return ret;
+}
+
+} // namespace wm
\ No newline at end of file
diff --git a/src/wm_layer_control.hpp b/src/wm_layer_control.hpp
new file mode 100644
index 0000000..5244bf5
--- /dev/null
+++ b/src/wm_layer_control.hpp
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <string>
+#include <memory>
+#include <vector>
+#include <unordered_map>
+#include <functional>
+#include <ilm/ilm_control.h>
+#include "wm_error.hpp"
+#include "util.hpp"
+
+namespace wm {
+
+class Screen {
+  public:
+    Screen(unsigned w, unsigned h) : _width(w), _height(h){}
+    unsigned width() { return _width; }
+    unsigned height() { return _height; }
+  private:
+    unsigned _width;
+    unsigned _height;
+    unsigned _pysical_width = 0;
+    unsigned _pysical_height = 0;
+};
+
+class LayerControlCallbacks {
+  public:
+    LayerControlCallbacks() {};
+    ~LayerControlCallbacks() = default;
+    LayerControlCallbacks(const LayerControlCallbacks &obj) = default;
+
+    // callback functions
+    std::function<void(unsigned, unsigned)> surfaceCreated;
+    std::function<void(unsigned)> surfaceDestroyed;
+    /*
+    std::function<void(unsigned)> layerCreated;
+    std::function<void(unsigned)> layerDestroyed;
+    */
+};
+
+class WMLayer;
+class LayerState;
+class WMAction;
+class WMClient;
+
+class LayerControl
+{
+  public:
+    explicit LayerControl(const std::string& root);
+    ~LayerControl() = default;
+    WMError init(const LayerControlCallbacks& cb);
+    void createLayers();
+    unsigned getLayerID(const std::string& role);
+    std::shared_ptr<WMLayer> getWMLayer(unsigned layer);
+    std::shared_ptr<WMLayer> getWMLayer(std::string layer_name);
+    struct rect getAreaSize(const std::string& area);
+    void setupArea(const rectangle& base_rct, double scaling);
+    Screen getScreenInfo();
+    double scale();
+    WMError renderLayers();
+    WMError setXDGSurfaceOriginSize(unsigned surface);
+    WMError layoutChange(const WMAction& action);
+    WMError visibilityChange(const WMAction &action);
+    void addSurface(unsigned surface, unsigned layer);
+
+    // Don't use this function.
+    void dispatchCreateEvent(ilmObjectType object, unsigned id, bool created);
+    void dispatchSurfacePropChangeEvent(unsigned id, struct ilmSurfaceProperties*, t_ilm_notification_mask);
+    void dispatchLayerPropChangeEvent(unsigned id, struct ilmLayerProperties*, t_ilm_notification_mask);
+
+  private:
+    WMError makeVisible(const std::shared_ptr<WMClient> client, const std::string& role);
+    WMError makeInvisible(const std::shared_ptr<WMClient> client, const std::string& role);
+    bool moveForeGround(const std::shared_ptr<WMClient> client, const std::string& role);
+    bool moveBackGround(const std::shared_ptr<WMClient> client, const std::string& role);
+    WMError loadLayerSetting(const std::string& path);
+    WMError loadAreaDb(const std::string& path);
+
+    std::vector<unsigned> surface_bg; // For CES demo
+    std::vector<std::shared_ptr<WMLayer>> wm_layers;
+    std::unordered_map<unsigned, unsigned> lid2wmlid;
+    std::unordered_map<std::string, struct rect> area2size;
+    unsigned screenID;
+    struct ilmScreenProperties screen_prop;
+    double scaling;
+    int offset_x;
+    int offset_y;
+    LayerControlCallbacks cb;
+};
+
+} // namespace wm
\ No newline at end of file