Refactor how surfaces are acquired for GPU compositing.

chrome/browser/renderer_host/render_widget_host_view_views.cc

 // Copyright (c) 2010 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 "chrome/browser/renderer_host/render_widget_host_view_views.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/string_number_conversions.h"
 #include "base/task.h"
 #include "base/time.h"
 #include "chrome/browser/renderer_host/backing_store_skia.h"
 #include "chrome/browser/renderer_host/backing_store_x.h"
 #include "chrome/browser/renderer_host/render_widget_host.h"
 #include "chrome/common/native_web_keyboard_event.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/result_codes.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/gtk/WebInputEventFactory.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 #include "ui/base/keycodes/keyboard_code_conversion_gtk.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/x/x11_util.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/canvas_skia.h"
+#include "ui/gfx/gtk_native_view_id_manager.h"
 #include "views/events/event.h"
 #include "views/ime/ime_context.h"
 #include "views/widget/widget.h"
 #include "views/widget/widget_gtk.h"
 
 static const int kMaxWindowWidth = 4000;
 static const int kMaxWindowHeight = 4000;
 static const char kRenderWidgetHostViewKey[] = "__RENDER_WIDGET_HOST_VIEW__";
 static const char kBackingStoreSkiaSwitch[] = "use-backing-store-skia";
 
@@ skipping 739 matching lines @@
   return false;
 }
 
 void RenderWidgetHostViewViews::AcceleratedCompositingActivated(
     bool activated) {
   // TODO(anicolao): figure out if we need something here
   if (activated)
     NOTIMPLEMENTED();
 }
 
+gfx::PluginWindowHandle RenderWidgetHostViewViews::AcquireCompositingSurface() {
+  GtkNativeViewManager* manager = GtkNativeViewManager::GetInstance();
+  gfx::PluginWindowHandle surface = gfx::kNullPluginWindow;
+  gfx::NativeViewId view_id = gfx::IdFromNativeView(GetInnerNativeView());
+
+  if (!manager->GetXIDForId(&surface, view_id)) {
+    DLOG(ERROR) << "Can't find XID for view id " << view_id;
+  }
+  return surface;
+}
+
+void RenderWidgetHostViewViews::ReleaseCompositingSurface(
+    gfx::PluginWindowHandle surface) {
+}
+
 WebKit::WebMouseEvent RenderWidgetHostViewViews::WebMouseEventFromViewsEvent(
     const views::MouseEvent& event) {
   WebKit::WebMouseEvent wmevent;
   InitializeWebMouseEventFromViewsEvent(event, GetMirroredPosition(), &wmevent);
 
   // Setting |wmevent.button| is not necessary for -move events, but it is
   // necessary for -clicks and -drags.
   if (event.IsMiddleMouseButton()) {
     wmevent.modifiers |= WebKit::WebInputEvent::MiddleButtonDown;
     wmevent.button = WebKit::WebMouseEvent::ButtonMiddle;
@@ skipping 169 matching lines @@
 }
 
 // static
 RenderWidgetHostView*
     RenderWidgetHostView::GetRenderWidgetHostViewFromNativeView(
         gfx::NativeView widget) {
   gpointer user_data = g_object_get_data(G_OBJECT(widget),
                                          kRenderWidgetHostViewKey);
   return reinterpret_cast<RenderWidgetHostView*>(user_data);
 }