content/renderer/render_widget_fullscreen_pepper.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_RENDERER_RENDER_WIDGET_FULLSCREEN_PEPPER_H_
   6 #define CONTENT_RENDERER_RENDER_WIDGET_FULLSCREEN_PEPPER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
  11 #include "content/renderer/mouse_lock_dispatcher.h"
  12 #include "content/renderer/pepper/pepper_parent_context_provider.h"
  13 #include "content/renderer/render_widget_fullscreen.h"
  14 #include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
  15 #include "third_party/WebKit/Source/WebKit/chromium/public/WebWidget.h"
  16 #include "webkit/plugins/ppapi/fullscreen_container.h"
  17
  18 class WebGraphicsContext3DCommandBufferImpl;
  19
  20 namespace webkit {
  21 namespace ppapi {
  22
  23 class PluginInstance;
  24
  25 }  // namespace ppapi
  26 }  // namespace webkit
  27
  28 // A RenderWidget that hosts a fullscreen pepper plugin. This provides a
  29 // FullscreenContainer that the plugin instance can callback into to e.g.
  30 // invalidate rects.
  31 class RenderWidgetFullscreenPepper :
  32     public RenderWidgetFullscreen,
  33     public webkit::ppapi::FullscreenContainer,
  34     public content::PepperParentContextProvider,
  35     public WebGraphicsContext3DSwapBuffersClient {
  36  public:
  37   static RenderWidgetFullscreenPepper* Create(
  38       int32 opener_id,
  39       webkit::ppapi::PluginInstance* plugin,
  40       const GURL& active_url,
  41       const WebKit::WebScreenInfo& screen_info);
  42
  43   // WebGraphicscontext3DSwapBuffersClient implementation
  44   virtual void OnViewContextSwapBuffersPosted() OVERRIDE;
  45   virtual void OnViewContextSwapBuffersComplete() OVERRIDE;
  46   virtual void OnViewContextSwapBuffersAborted() OVERRIDE;
  47
  48   // pepper::FullscreenContainer API.
  49   virtual void Invalidate() OVERRIDE;
  50   virtual void InvalidateRect(const WebKit::WebRect& rect) OVERRIDE;
  51   virtual void ScrollRect(int dx, int dy, const WebKit::WebRect& rect) OVERRIDE;
  52   virtual void Destroy() OVERRIDE;
  53   virtual void DidChangeCursor(const WebKit::WebCursorInfo& cursor) OVERRIDE;
  54   virtual webkit::ppapi::PluginDelegate::PlatformContext3D*
  55       CreateContext3D() OVERRIDE;
  56   virtual MouseLockDispatcher* GetMouseLockDispatcher() OVERRIDE;
  57
  58   // IPC::Listener implementation. This overrides the implementation
  59   // in RenderWidgetFullscreen.
  60   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
  61
  62   WebGraphicsContext3DCommandBufferImpl* context() const { return context_; }
  63   void SwapBuffers();
  64
  65   // Could be NULL when this widget is closing.
  66   webkit::ppapi::PluginInstance* plugin() const { return plugin_; }
  67
  68  protected:
  69   RenderWidgetFullscreenPepper(webkit::ppapi::PluginInstance* plugin,
  70                                const GURL& active_url,
  71                                const WebKit::WebScreenInfo& screen_info);
  72   virtual ~RenderWidgetFullscreenPepper();
  73
  74   // RenderWidget API.
  75   virtual void WillInitiatePaint() OVERRIDE;
  76   virtual void DidInitiatePaint() OVERRIDE;
  77   virtual void DidFlushPaint() OVERRIDE;
  78   virtual void Close() OVERRIDE;
  79   virtual webkit::ppapi::PluginInstance* GetBitmapForOptimizedPluginPaint(
  80       const gfx::Rect& paint_bounds,
  81       TransportDIB** dib,
  82       gfx::Rect* location,
  83       gfx::Rect* clip,
  84       float* scale_factor) OVERRIDE;
  85   virtual void OnResize(const gfx::Size& new_size,
  86                         const gfx::Rect& resizer_rect,
  87                         bool is_fullscreen) OVERRIDE;
  88
  89   // RenderWidgetFullscreen API.
  90   virtual WebKit::WebWidget* CreateWebWidget() OVERRIDE;
  91
  92   // RenderWidget overrides.
  93   virtual bool SupportsAsynchronousSwapBuffers() OVERRIDE;
  94
  95  private:
  96   // Creates the GL context for compositing.
  97   void CreateContext();
  98
  99   // Initialize the GL states and resources for compositing.
 100   bool InitContext();
 101
 102   // Checks (and returns) whether accelerated compositing should be on or off,
 103   // and notify the browser.
 104   bool CheckCompositing();
 105
 106   // Implementation of PepperParentContextProvider.
 107   virtual WebGraphicsContext3DCommandBufferImpl*
 108       GetParentContextForPlatformContext3D() OVERRIDE;
 109
 110   // URL that is responsible for this widget, passed to ggl::CreateViewContext.
 111   GURL active_url_;
 112
 113   // The plugin instance this widget wraps.
 114   webkit::ppapi::PluginInstance* plugin_;
 115
 116   // GL context for compositing.
 117   WebGraphicsContext3DCommandBufferImpl* context_;
 118   unsigned int buffer_;
 119   unsigned int program_;
 120
 121   base::WeakPtrFactory<RenderWidgetFullscreenPepper> weak_ptr_factory_;
 122
 123   scoped_ptr<MouseLockDispatcher> mouse_lock_dispatcher_;
 124
 125   DISALLOW_COPY_AND_ASSIGN(RenderWidgetFullscreenPepper);
 126 };
 127
 128 #endif  // CONTENT_RENDERER_RENDER_WIDGET_FULLSCREEN_PEPPER_H_