Change WMClient to go to layer model

Change-Id: Iaf764f7386073d68219e7674000079b58af09fbd
Signed-off-by: Kazumasa Mitsunari <knimitz@witz-inc.co.jp>

4 files changed, 147 insertions, 75 deletions

diff --git a/src/applist.cpp b/src/applist.cpp
index b06dee8..159b30d 100644
--- a/src/applist.cpp
+++ b/src/applist.cpp
@@ -164,7 +164,7 @@ string AppList::getAppID(unsigned surface, const string& role, bool* found) cons
     *found = false;
     for (const auto &x : this->app2client)
     {
-        if(x.second->surfaceID(role) == surface){
+        if(x.second->surfaceID() == surface){
             *found = true;
             return x.second->appID();
         }
@@ -231,12 +231,13 @@ void AppList::removeFloatingSurface(unsigned surface)
 WMError AppList::appendRole(const string &id, const string &role, unsigned surface)
 {
     WMError wm_err = WMError::NO_ENTRY;
-    if (this->contains(id))
+    HMI_ERROR("wm", "This function is disabled");
+    /* if (this->contains(id))
     {
         auto x = this->lookUpClient(id);
         x->addSurface(role, surface);
         wm_err = WMError::SUCCESS;
-    }
+    } */
     return wm_err;
 }
 
diff --git a/src/window_manager.cpp b/src/window_manager.cpp
index 0eebbff..beb8eac 100644
--- a/src/window_manager.cpp
+++ b/src/window_manager.cpp
@@ -434,14 +434,14 @@ void WindowManager::api_activate_surface(char const *appid, char const *drawing_
     }
     auto client = g_app_list.lookUpClient(id);
 
-    unsigned srfc = client->surfaceID(role);
+    unsigned srfc = client->surfaceID();
     if(srfc == 0)
     {
         HMI_ERROR("wm", "role sould be set with surface");
         reply("role sould be set with surface");
         return;
     }
-    g_app_list.removeFloatingSurface(client->surfaceID(role));
+    g_app_list.removeFloatingSurface(client->surfaceID());
 
     Task task = Task::TASK_ALLOCATE;
     unsigned req_num = 0;
@@ -1239,7 +1239,7 @@ WMError WindowManager::startTransition(unsigned req_num)
             if (g_app_list.contains(x.appid))
             {
                 auto client = g_app_list.lookUpClient(x.appid);
-                this->deactivate(client->surfaceID(x.role));
+                this->deactivate(client->surfaceID());
             }
         }
         ret = NO_LAYOUT_CHANGE;
@@ -1467,7 +1467,7 @@ WMError WindowManager::layoutChange(const WMAction &action)
         return WMError::SUCCESS;
     }
     auto client = g_app_list.lookUpClient(action.appid);
-    unsigned surface = client->surfaceID(action.role);
+    unsigned surface = client->surfaceID();
     if (surface == 0)
     {
         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
@@ -1486,7 +1486,7 @@ WMError WindowManager::visibilityChange(const WMAction &action)
         return WMError::NOT_REGISTERED;
     }
     auto client = g_app_list.lookUpClient(action.appid);
-    unsigned surface = client->surfaceID(action.role);
+    unsigned surface = client->surfaceID();
     if(surface == 0)
     {
         HMI_SEQ_ERROR(g_app_list.currentRequestNumber(),
@@ -1533,7 +1533,7 @@ WMError WindowManager::changeCurrentState(unsigned req_num)
             return WMError::NOT_REGISTERED;
         }
         auto client = g_app_list.lookUpClient(action.appid);
-        auto pCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
+        auto pCurState = *this->layers.get_layout_state((int)client->surfaceID());
         if(pCurState == nullptr)
         {
             HMI_SEQ_ERROR(req_num, "Counldn't find current status");
@@ -1547,7 +1547,7 @@ WMError WindowManager::changeCurrentState(unsigned req_num)
     for (const auto &action : actions)
     {
         auto client = g_app_list.lookUpClient(action.appid);
-        auto pLayerCurState = *this->layers.get_layout_state((int)client->surfaceID(action.role));
+        auto pLayerCurState = *this->layers.get_layout_state((int)client->surfaceID());
         if (pLayerCurState == nullptr)
         {
             HMI_SEQ_ERROR(req_num, "Counldn't find current status");
@@ -1557,7 +1557,7 @@ WMError WindowManager::changeCurrentState(unsigned req_num)
 
         if (action.visible != TaskVisible::INVISIBLE)
         {
-            surface = (int)client->surfaceID(action.role);
+            surface = (int)client->surfaceID();
             HMI_SEQ_INFO(req_num, "Change %s surface : %d, state visible area : %s",
                             action.role.c_str(), surface, action.area.c_str());
             // visible == true -> layout changes
diff --git a/src/wm_client.cpp b/src/wm_client.cpp
index a9ed547..d4303fd 100644
--- a/src/wm_client.cpp
+++ b/src/wm_client.cpp
@@ -15,6 +15,7 @@
  */
 
 #include <json-c/json.h>
+#include <algorithm>
 #include "wm_client.hpp"
 #include "hmi-debug.h"
 
@@ -39,9 +40,9 @@ static const char kKeyErrorDesc[] = "kErrorDescription";
 
 WMClient::WMClient(const string &appid, unsigned layer, unsigned surface, const string &role)
     : id(appid), layer(layer),
-      role2surface(0)
+      service2surfaces(0)
 {
-    role2surface[role] = surface;
+    service2surfaces[role] = surface;
     for (auto x : kWMEvents)
     {
 #if GTEST_ENABLED
@@ -49,17 +50,17 @@ WMClient::WMClient(const string &appid, unsigned layer, unsigned surface, const
 #else
         afb_event ev = afb_daemon_make_event(x.c_str());
 #endif
-        event2list[x] = ev;
+        evname2afb_event[x] = ev;
     }
 }
 
 WMClient::WMClient(const string &appid, const string &role)
     : id(appid),
       layer(0),
-      role2surface(0),
-      event2list(0)
+      service2surfaces(0),
+      evname2afb_event(0)
 {
-    role2surface[role] = INVALID_SURFACE_ID;
+    service2surfaces[role] = INVALID_SURFACE_ID;
     for (auto x : kWMEvents)
     {
 #if GTEST_ENABLED
@@ -67,38 +68,27 @@ WMClient::WMClient(const string &appid, const string &role)
 #else
         afb_event ev = afb_daemon_make_event(x.c_str());
 #endif
-        event2list[x] = ev;
+        evname2afb_event[x] = ev;
     }
 }
 
-WMClient::~WMClient()
-{
-}
+// WMClient::~WMClient()
+// {
+// }
 
 string WMClient::appID() const
 {
     return this->id;
 }
 
-unsigned WMClient::surfaceID(const string &role) const
+vector<unsigned> WMClient::renderOrder() const
 {
-    if (0 == this->role2surface.count(role))
-    {
-        return INVALID_SURFACE_ID;
-    }
-    return this->role2surface.at(role);
+    return this->surface_render_order;
 }
 
-std::string WMClient::role(unsigned surface) const
+const vector<std::string>& WMClient::roles() const
 {
-    for(const auto& x : this->role2surface)
-    {
-        if(x.second == surface)
-        {
-            return x.first;
-        }
-    }
-    return std::string("");
+    return this->role_list;
 }
 
 unsigned WMClient::layerID() const
@@ -106,6 +96,16 @@ unsigned WMClient::layerID() const
     return this->layer;
 }
 
+unsigned WMClient::surfaceID() const
+{
+    return this->surface;
+}
+
+void WMClient::setRole(const string& role)
+{
+    this->role_list.push_back(role);
+}
+
 /**
  * Set layerID the client belongs to
  *
@@ -123,7 +123,7 @@ void WMClient::registerLayer(unsigned layer)
 }
 
 /**
- * Add the pair of role and surface to the client
+ * Add the pair of name and surface of surface to the client
  *
  * This function set the pair of role and surface to the client.
  * This function is used for the client which has multi surfaces.
@@ -131,57 +131,108 @@ void WMClient::registerLayer(unsigned layer)
  * is changed, this function will be changed
  * Current Window Manager doesn't use this function.
  *
- * @param     string[in] role
+ * @param     string[in] name
  * @param     unsigned[in] surface
  * @return    true
  */
-bool WMClient::addSurface(const string &role, unsigned surface)
+void WMClient::attachServiceSurface(const string &name, unsigned surface)
 {
-    HMI_DEBUG("wm", "Add role %s with surface %d", role.c_str(), surface);
-    if (0 != this->role2surface.count(role))
+    HMI_DEBUG("wm", "Add surface name %s with surface %d", name.c_str(), surface);
+    if (0 != this->service2surfaces.count(name))
     {
-        HMI_NOTICE("wm", "override surfaceID %d with %d", this->role2surface[role], surface);
+        HMI_NOTICE("wm", "override surfaceID %d with %d", this->service2surfaces[name], surface);
     }
-    this->role2surface[role] = surface;
-    return true;
+    this->service2surfaces[name] = surface;
 }
 
-bool WMClient::removeSurfaceIfExist(unsigned surface)
+void WMClient::removeServiceSurface(const std::string &name)
 {
-    bool ret = false;
-    for (auto &x : this->role2surface)
+    for (auto &x : this->service2surfaces)
     {
-        if (surface == x.second)
+        if (name == x.first)
         {
-            HMI_INFO("wm", "Remove surface from client %s: role %s, surface: %d",
-                                this->id.c_str(), x.first.c_str(), x.second);
-            this->role2surface.erase(x.first);
-            ret = true;
-            break;
+            HMI_INFO("wm", "Remove surface from client %s: service surface name %s, surface: %d",
+                        this->id.c_str(), x.first.c_str(), x.second);
+            this->service2surfaces.erase(name);
         }
     }
-    return ret;
+    // re_asign render order
+    this->setRenderOrder(this->surface_render_order);
+}
+
+void WMClient::setArea(const std::string& area)
+{
+    this->area = area;
+    // TODO: implementation
 }
 
-bool WMClient::removeRole(const string &role)
+void WMClient::setRenderOrder()
+{
+    // use private surface_render_order
+}
+
+void WMClient::setRenderOrder(const vector<string> &render_order)
+{
+    // TODO: implement LM
+}
+
+void WMClient::setRenderOrder(const vector<unsigned> &render_order)
+{
+    // TODO implement LM
+}
+
+bool WMClient::removeSurfaceIfExist(unsigned surface)
 {
     bool ret = false;
-    if (this->role2surface.count(role) != 0)
+    auto fwd_itr = std::remove_if(
+        this->surface_render_order.begin(), this->surface_render_order.end(),
+        [surface, &ret](unsigned x) {
+            ret = true;
+            return x == surface;
+        });
+    this->surface_render_order.erase(fwd_itr, this->surface_render_order.end());
+    if(ret)
     {
-        this->role2surface.erase(role);
-        ret = true;
+        for(auto &y : this->service2surfaces)
+        {
+            if(y.second == surface)
+            {
+                HMI_INFO("wm", "Remove surface from client %s: role %s, surface: %d",
+                        this->id.c_str(), y.first.c_str(), y.second);
+                this->service2surfaces.erase(y.first);
+            }
+        }
+        if(this->surface == surface)
+        {
+            this->surface = INVALID_SURFACE_ID;
+            // TODO: If main surface vanishes, how do we treat?
+            //       Window Manager doesn't know it's means dead or on purpose.
+            // option1: remove service surface and notify to the service.
+            // option2: waiting the application calls deallocate.
+            HMI_INFO("wm", "Main surface vanishes");
+        }
     }
     return ret;
 }
 
-#ifndef GTEST_ENABLED
+void WMClient::removeRole(const string &role)
+{
+    auto fwd_itr = std::remove_if(
+        this->role_list.begin(), this->role_list.end(),
+        [&role](string x) {
+            return x == role;
+        });
+    this->role_list.erase(fwd_itr, this->role_list.end());
+}
+
+#if GTEST_ENABLED
 bool WMClient::subscribe(afb_req req, const string &evname)
 {
     if(evname != kKeyError){
         HMI_DEBUG("wm", "error is only enabeled for now");
         return false;
     }
-    int ret = afb_req_subscribe(req, this->event2list[evname]);
+    int ret = afb_req_subscribe(req, this->evname2afb_event[evname]);
     if (ret)
     {
         HMI_DEBUG("wm", "Failed to subscribe %s", evname.c_str());
@@ -192,7 +243,7 @@ bool WMClient::subscribe(afb_req req, const string &evname)
 
 void WMClient::emitError(WM_CLIENT_ERROR_EVENT ev)
 {
-    if (!afb_event_is_valid(this->event2list[kKeyError])){
+    if (!afb_event_is_valid(this->evname2afb_event[kKeyError])){
         HMI_ERROR("wm", "event err is not valid");
         return;
     }
@@ -201,7 +252,7 @@ void WMClient::emitError(WM_CLIENT_ERROR_EVENT ev)
     json_object_object_add(j, kKeyErrorDesc, json_object_new_string(kErrorDescription[ev].c_str()));
     HMI_DEBUG("wm", "error: %d, description:%s", ev, kErrorDescription[ev].c_str());
 
-    int ret = afb_event_push(this->event2list[kKeyError], j);
+    int ret = afb_event_push(this->evname2afb_event[kKeyError], j);
     if (ret != 0)
     {
         HMI_DEBUG("wm", "afb_event_push failed: %m");
@@ -211,12 +262,20 @@ void WMClient::emitError(WM_CLIENT_ERROR_EVENT ev)
 
 void WMClient::dumpInfo()
 {
-    DUMP("APPID : %s", id.c_str());
-    DUMP("  LAYER : %d", layer);
-    for (const auto &x : this->role2surface)
+    DUMP("APPID : %s", this->id.c_str());
+    DUMP("  LAYER : %d", this->layer);
+    for (const auto &x : this->role_list)
+    {
+        DUMP("  ROLE  : %s , SURFACE : %d", x.c_str());
+    }
+    DUMP("  MAIN SURFACE : %d", this->surface);
+    string ro = "";
+    for (const auto &x : this->surface_render_order)
     {
-        DUMP("  ROLE  : %s , SURFACE : %d", x.first.c_str(), x.second);
+        ro += x;
+        ro += " ,";
     }
+    DUMP("  RENDER ORDER  : %s", ro.c_str());
 }
 
 } // namespace wm
\ No newline at end of file
diff --git a/src/wm_client.hpp b/src/wm_client.hpp
index 0d6faeb..0173bb9 100644
--- a/src/wm_client.hpp
+++ b/src/wm_client.hpp
@@ -42,18 +42,26 @@ class WMClient
     WMClient(const std::string &appid, unsigned layer,
             unsigned surface, const std::string &role);
     WMClient(const std::string &appid, const std::string &role);
-    virtual ~WMClient();
+    ~WMClient() = default;
 
     std::string appID() const;
-    unsigned surfaceID(const std::string &role) const;
     unsigned layerID() const;
-    std::string role(unsigned surface) const;
+    unsigned surfaceID() const;
+    std::vector<unsigned> renderOrder() const;
+    const std::vector<std::string> &roles() const;
+    void setRole(const std::string& role);
     void registerLayer(unsigned layer);
-    bool addSurface(const std::string& role, unsigned surface);
+    //bool addSurface(unsigned surface);
+    void attachServiceSurface(const std::string &name, unsigned surface);
+    void removeServiceSurface(const std::string &name);
+    void setRenderOrder();
+    void setRenderOrder(const std::vector<std::string> &render_order);
+    void setRenderOrder(const std::vector<unsigned> &render_order);
+    void setArea(const std::string& area);
     bool removeSurfaceIfExist(unsigned surface);
-    bool removeRole(const std::string& role);
+    void removeRole(const std::string& role);
 
-#ifndef GTEST_ENABLED
+#if GTEST_ENABLED
     bool subscribe(afb_req req, const std::string &event_name);
     void emitError(WM_CLIENT_ERROR_EVENT ev);
 #endif
@@ -63,12 +71,16 @@ class WMClient
   private:
     std::string id;
     unsigned layer;
-    std::unordered_map<std::string, unsigned> role2surface;
+    std::string area;
+    unsigned surface; // currently, main application has only one surface.
+    std::vector<std::string> role_list;
+    std::vector<unsigned> surface_render_order;
+    std::unordered_map<std::string, unsigned> service2surfaces;
 #if GTEST_ENABLED
     // This is for unit test. afb_make_event occurs sig11 if call not in afb-binding
-    std::unordered_map<std::string, std::string> event2list;
+    std::unordered_map<std::string, std::string> evname2afb_event;
 #else
-    std::unordered_map<std::string, struct afb_event> event2list;
+    std::unordered_map<std::string, struct afb_event> evname2afb_event;
 #endif
 };
 } // namespace wm