Unified BeginFrame scheduling

content/browser/renderer_host/render_widget_host_view_aura.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "cc/scheduler/begin_frame_manager.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/compositor/delegated_frame_host.h"
 #include "content/browser/compositor/image_transport_factory.h"
 #include "content/browser/compositor/owned_mailbox.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/common/content_export.h"
 #include "content/common/cursors/webcursor.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/cursor_client_observer.h"
 #include "ui/aura/client/focus_change_observer.h"
@@ skipping 52 matching lines @@
     : public RenderWidgetHostViewBase,
       public DelegatedFrameHostClient,
       public ui::TextInputClient,
       public gfx::DisplayObserver,
       public aura::WindowTreeHostObserver,
       public aura::WindowDelegate,
       public aura::client::ActivationDelegate,
       public aura::client::ActivationChangeObserver,
       public aura::client::FocusChangeObserver,
       public aura::client::CursorClientObserver,
+      public cc::BeginFrameManager::Observer,
       public base::SupportsWeakPtr<RenderWidgetHostViewAura> {
  public:
   // Displays and controls touch editing elements such as selection handles.
   class TouchEditingClient {
    public:
     TouchEditingClient() {}
 
     // Tells the client to start showing touch editing handles.
     virtual void StartTouchEditing() = 0;
 
@@ skipping 42 matching lines @@
   virtual bool IsSurfaceAvailableForCopy() const OVERRIDE;
   virtual void Show() OVERRIDE;
   virtual void Hide() OVERRIDE;
   virtual bool IsShowing() OVERRIDE;
   virtual gfx::Rect GetViewBounds() const OVERRIDE;
   virtual void SetBackgroundOpaque(bool opaque) OVERRIDE;
   virtual gfx::Size GetVisibleViewportSize() const OVERRIDE;
   virtual void SetInsets(const gfx::Insets& insets) OVERRIDE;
 
   // Overridden from RenderWidgetHostViewBase:
+  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
   virtual void InitAsPopup(RenderWidgetHostView* parent_host_view,
                            const gfx::Rect& pos) OVERRIDE;
   virtual void InitAsFullscreen(
       RenderWidgetHostView* reference_host_view) OVERRIDE;
   virtual void WasShown() OVERRIDE;
   virtual void WasHidden() OVERRIDE;
   virtual void MovePluginWindows(
       const std::vector<WebPluginGeometry>& moves) OVERRIDE;
   virtual void Focus() OVERRIDE;
   virtual void Blur() OVERRIDE;
@@ skipping 149 matching lines @@
   virtual void OnCursorVisibilityChanged(bool is_visible) OVERRIDE;
 
   // Overridden from aura::client::FocusChangeObserver:
   virtual void OnWindowFocused(aura::Window* gained_focus,
                                aura::Window* lost_focus) OVERRIDE;
 
   // Overridden from aura::WindowTreeHostObserver:
   virtual void OnHostMoved(const aura::WindowTreeHost* host,
                            const gfx::Point& new_origin) OVERRIDE;
 
+  // Overridden from cc::BeginFrameManager::Observer:
+  virtual void OnSendBeginFrame(const cc::BeginFrameArgs& args) OVERRIDE;
+
 #if defined(OS_WIN)
   // Sets the cutout rects from constrained windows. These are rectangles that
   // windowed NPAPI plugins shouldn't paint in. Overwrites any previous cutout
   // rects.
   void UpdateConstrainedWindowRects(const std::vector<gfx::Rect>& rects);
 
   // Updates the cursor clip region. Used for mouse locking.
   void UpdateMouseLockRegion();
 
   // Notification that the LegacyRenderWidgetHostHWND was destroyed.
@@ skipping 124 matching lines @@
 
   // Converts |rect| from window coordinate to screen coordinate.
   gfx::Rect ConvertRectToScreen(const gfx::Rect& rect) const;
 
   // Converts |rect| from screen coordinate to window coordinate.
   gfx::Rect ConvertRectFromScreen(const gfx::Rect& rect) const;
 
   // Helper function to set keyboard focus to the main window.
   void SetKeyboardFocus();
 
+  // Called when RenderWidget want to start BeginFrame scheduling or stop.
+  void OnSetNeedsBeginFrame(bool enabled);
+
   RenderFrameHostImpl* GetFocusedFrame();
 
   // The model object.
   RenderWidgetHostImpl* host_;
 
   aura::Window* window_;
 
   scoped_ptr<DelegatedFrameHost> delegated_frame_host_;
 
   scoped_ptr<WindowObserver> window_observer_;
@@ skipping 121 matching lines @@
   TouchEditingClient* touch_editing_client_;
 
   scoped_ptr<OverscrollController> overscroll_controller_;
 
   gfx::Insets insets_;
 
   std::vector<ui::LatencyInfo> software_latency_info_;
 
   scoped_ptr<aura::client::ScopedTooltipDisabler> tooltip_disabler_;
 
+  // True when RenderWidget needs a BeginFrame.
+  bool needs_begin_frame_;
+
+  // True when --enable-begin-frame-scheduling is used.
+  bool begin_frame_scheduling_is_enabled_;
+
+  // Pass |last_begin_frame_args_| to BeginFrameManager when |this| is added
+  // as its observer. With this, BeginFrameManager can determine whether latest
+  // BeginFrameArgs is used immediately or not.
+  cc::BeginFrameArgs last_begin_frame_args_;
+
   base::WeakPtrFactory<RenderWidgetHostViewAura> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAura);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_