Adding compositor callbacks to RenderWidgetHostViewAndroid

content/browser/renderer_host/compositor_impl_android.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/compositor_impl_android.h"
 
 #include <android/bitmap.h>
 #include <android/native_window_jni.h>
 #include <map>
 
 #include "base/android/jni_android.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/thread.h"
 #include "cc/input/input_handler.h"
 #include "cc/layers/layer.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/context_provider.h"
 #include "cc/output/output_surface.h"
 #include "cc/resources/scoped_ui_resource.h"
 #include "cc/resources/ui_resource_bitmap.h"
 #include "cc/trees/layer_tree_host.h"
 #include "content/browser/gpu/browser_gpu_channel_host_factory.h"
 #include "content/browser/gpu/gpu_surface_tracker.h"
+#include "content/browser/renderer_host/compositor_observer.h"
 #include "content/common/gpu/client/command_buffer_proxy_impl.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/common/gpu/client/gl_helper.h"
 #include "content/common/gpu/client/gpu_channel_host.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
 #include "content/public/browser/android/compositor_client.h"
 #include "content/public/common/content_switches.h"
 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
 #include "third_party/khronos/GLES2/gl2.h"
@@ skipping 453 matching lines @@
       break;
     case ANDROID_BITMAP_FORMAT_RGBA_8888:
       return GL_UNSIGNED_BYTE;
       break;
     case ANDROID_BITMAP_FORMAT_RGB_565:
     default:
       return GL_UNSIGNED_SHORT_5_6_5;
   }
 }
 
+void CompositorImpl::AddObserver(CompositorObserver* observer) {
+  observer_list_.AddObserver(observer);
+}
+
+void CompositorImpl::RemoveObserver(CompositorObserver* observer) {
+  observer_list_.RemoveObserver(observer);
+}
+
+bool CompositorImpl::HasObserver(CompositorObserver* observer) {
+  return observer_list_.HasObserver(observer);
+}
+
+void CompositorImpl::DidCommit() {
+  FOR_EACH_OBSERVER(CompositorObserver,
+                    observer_list_,
+                    OnCompositingDidCommit(this));
+}
+
 } // namespace content