From 0d13409db30964eaec8747b7eaf929f193672a0c Mon Sep 17 00:00:00 2001
From: Kazumasa Mitsunari <knimitz@witz-inc.co.jp>
Date: Mon, 22 Oct 2018 16:20:48 +0900
Subject: Add setRenderOrder

Change-Id: I939f051c014358ef9f80dd0556b130a43dd234e9
Signed-off-by: Kazumasa Mitsunari <knimitz@witz-inc.co.jp>
---
 src/libwindowmanager.cpp | 90 +++++++++++++++++++++++++++++++++++++++++++-----
 src/libwindowmanager.h   |  1 +
 2 files changed, 82 insertions(+), 9 deletions(-)

diff --git a/src/libwindowmanager.cpp b/src/libwindowmanager.cpp
index db5afc1..e03f638 100644
--- a/src/libwindowmanager.cpp
+++ b/src/libwindowmanager.cpp
@@ -33,6 +33,9 @@ extern "C" {
 
 #define UNUSED(x) (void)(x)
 
+using std::string;
+using std::vector;
+
 namespace {
     /* Key for json obejct */
     static const char g_kKeyDrawingName[] = "drawing_name";
@@ -60,6 +63,7 @@ class LibWindowmanager::Impl {
     int activateWindow(json_object *object);
     int deactivateWindow(json_object *object);
     int endDraw(json_object *object);
+    int setRenderOrder(json_object* object);
 
     int getDisplayInfo(json_object *object);
     int getAreaInfo(json_object *in_obj, json_object *out_obj);
@@ -339,15 +343,60 @@ int LibWindowmanager::Impl::requestSurfaceXDG(json_object *object) {
 }
 
 int LibWindowmanager::Impl::setRole(json_object *object) {
+    TRACE();
     HMI_DEBUG("libwm", "called");
-    return this->api_call("setRole", object, [](bool ok, json_object *j) {
-        if (!ok) {
-            HMI_ERROR("libwm", "API Call setRole() failed: %s",
-                    j != nullptr ? json_object_to_json_string_ext(
-                                       j, JSON_C_TO_STRING_PRETTY)
-                  : "no-info");
-        }
-    });
+
+    json_object *val;
+    const char *tmp_label;
+    if (json_object_object_get_ex(object, g_kKeyDrawingName, &val)) {
+        tmp_label = json_object_get_string(val);
+    }
+    else {
+        HMI_DEBUG("libwm", "Not found key \"%s\"", g_kKeyDrawingName);
+        return -EINVAL;
+    }
+
+    // DrawingName in "object" is overwritten in api_call("RequestSurface")
+    // So it is neccesary to copy it.
+    const char *label = std::string(tmp_label).c_str();
+
+    if (this->labels.find(label) != this->labels.end()) {
+        HMI_ERROR("libwm", "Surface label already known!");
+        return -EINVAL;
+    }
+
+    // Store application name first
+    // because it may not return from setenv
+    HMI_DEBUG("libwm", "Insert application name: %s\n", label);
+    this->labels.insert(this->labels.end(), label);
+
+    int rc = -1;
+    /* send the request */
+    int rc2 =
+        this->api_call("setRole", object, [&rc](bool ok, json_object *j) {
+            if (ok) {
+                json_object *val;
+                if (json_object_object_get_ex(j, g_kKeyResponse, &val)) {
+                    rc = json_object_get_int(val);
+                }
+                else {
+                    HMI_ERROR("libwm", "Not found key \"response\"");
+                    rc = -EINVAL;
+                    return;
+                }
+            }
+        });
+
+    if (rc2 < 0) {
+        rc = rc2;
+    }
+
+    if (rc < 0) {
+        HMI_ERROR("libwm", "Erase application name: %s", label);
+        this->labels.erase(label);
+    }
+
+    return rc;
 }
 
 int LibWindowmanager::Impl::activateWindow(json_object *object) {
@@ -389,6 +438,19 @@ int LibWindowmanager::Impl::endDraw(json_object *object) {
     });
 }
 
+int LibWindowmanager::Impl::setRenderOrder(json_object *object) {
+    TRACE();
+    HMI_DEBUG("libwm", "called");
+    return this->api_call("setRenderOrder", object, [](bool ok, json_object *j) {
+        if (!ok) {
+            HMI_ERROR("libwm", "API Call setRenderOrder() failed: %s",
+                    j != nullptr ? json_object_to_json_string_ext(
+                                       j, JSON_C_TO_STRING_PRETTY)
+                  : "no-info");
+        }
+    });
+}
+
 int LibWindowmanager::Impl::getDisplayInfo(json_object *object) {
     TRACE();
     HMI_DEBUG("libwm", "called");
@@ -944,7 +1006,7 @@ int LibWindowmanager::setRole(const char* role, bool request)
 {
     pid_t pid = getpid(); // need surface rendering process
     json_object* object = json_object_new_object();
-    json_object_object_add(object, "role", json_object_new_string(role));
+    json_object_object_add(object, g_kKeyDrawingName, json_object_new_string(role));
     json_object_object_add(object, "pid", json_object_new_int(pid));
     json_object_object_add(object, "request_surface_id", json_object_new_boolean(request));
 
@@ -1044,6 +1106,16 @@ int LibWindowmanager::getAreaInfo(const char *label, json_object *out_obj) {
     return this->d->getAreaInfo(object, out_obj);
 }
 
+int LibWindowmanager::setRenderOrder(const vector<string>& render_order) {
+    json_object* object = json_object_new_object();
+    json_object *array  = json_object_new_array();
+    for(const auto& i: render_order) {
+        json_object_array_add(array, json_object_new_string(i.c_str()));
+    }
+    json_object_object_add(object, "render_order", array);
+    return this->d->setRenderOrder(object);
+}
+
 void LibWindowmanager::set_event_handler(enum EventType et, handler_fun f) {
     return this->d->set_event_handler(et, std::move(f));
 }
diff --git a/src/libwindowmanager.h b/src/libwindowmanager.h
index ebcf0e1..d51b89a 100644
--- a/src/libwindowmanager.h
+++ b/src/libwindowmanager.h
@@ -123,6 +123,7 @@ public:
     int activateWindow(const char* role);
     int deactivateWindow(const char* role);
     int endDraw(const char* role);
+    int setRenderOrder(const std::vector<std::string>& render_order);
     struct Screen getScreenInfo();
     int getAreaInfo(const char* role, Rect *out_rect);
     void setEventHandler(const WMHandler& wmh);
-- 
cgit 1.2.3-korg