render_widget_fullscreen_pepper.h revision 5821806d5e7f356e8fa4b058a389a808ea183019 
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
18namespace webkit {
19namespace ppapi {
20
21class PluginInstance;
22
23}  // namespace ppapi
24}  // namespace webkit
25
26namespace content {
27class WebGraphicsContext3DCommandBufferImpl;
28
29// A RenderWidget that hosts a fullscreen pepper plugin. This provides a
30// FullscreenContainer that the plugin instance can callback into to e.g.
31// invalidate rects.
32class RenderWidgetFullscreenPepper :
33    public RenderWidgetFullscreen,
34    public webkit::ppapi::FullscreenContainer,
35    public PepperParentContextProvider,
36    public WebGraphicsContext3DSwapBuffersClient {
37 public:
38  static RenderWidgetFullscreenPepper* Create(
39      int32 opener_id,
40      webkit::ppapi::PluginInstance* plugin,
41      const GURL& active_url,
42      const WebKit::WebScreenInfo& screen_info);
43
44  // WebGraphicscontext3DSwapBuffersClient implementation
45  virtual void OnViewContextSwapBuffersPosted() OVERRIDE;
46  virtual void OnViewContextSwapBuffersComplete() OVERRIDE;
47  virtual void OnViewContextSwapBuffersAborted() OVERRIDE;
48
49  // pepper::FullscreenContainer API.
50  virtual void Invalidate() OVERRIDE;
51  virtual void InvalidateRect(const WebKit::WebRect& rect) OVERRIDE;
52  virtual void ScrollRect(int dx, int dy, const WebKit::WebRect& rect) OVERRIDE;
53  virtual void Destroy() OVERRIDE;
54  virtual void DidChangeCursor(const WebKit::WebCursorInfo& cursor) OVERRIDE;
55  virtual webkit::ppapi::PluginDelegate::PlatformContext3D*
56      CreateContext3D() OVERRIDE;
57  virtual void ReparentContext(
58      webkit::ppapi::PluginDelegate::PlatformContext3D*) OVERRIDE;
59
60  // IPC::Listener implementation. This overrides the implementation
61  // in RenderWidgetFullscreen.
62  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
63
64  WebGraphicsContext3DCommandBufferImpl* context() const { return context_; }
65  void SwapBuffers();
66
67  // Could be NULL when this widget is closing.
68  webkit::ppapi::PluginInstance* plugin() const { return plugin_; }
69
70  MouseLockDispatcher* mouse_lock_dispatcher() const {
71    return mouse_lock_dispatcher_.get();
72  }
73
74 protected:
75  RenderWidgetFullscreenPepper(webkit::ppapi::PluginInstance* plugin,
76                               const GURL& active_url,
77                               const WebKit::WebScreenInfo& screen_info);
78  virtual ~RenderWidgetFullscreenPepper();
79
80  // RenderWidget API.
81  virtual void WillInitiatePaint() OVERRIDE;
82  virtual void DidInitiatePaint() OVERRIDE;
83  virtual void DidFlushPaint() OVERRIDE;
84  virtual void Close() OVERRIDE;
85  virtual webkit::ppapi::PluginInstance* GetBitmapForOptimizedPluginPaint(
86      const gfx::Rect& paint_bounds,
87      TransportDIB** dib,
88      gfx::Rect* location,
89      gfx::Rect* clip,
90      float* scale_factor) OVERRIDE;
91  virtual void OnResize(const gfx::Size& new_size,
92                        const gfx::Rect& resizer_rect,
93                        bool is_fullscreen) OVERRIDE;
94
95  // RenderWidgetFullscreen API.
96  virtual WebKit::WebWidget* CreateWebWidget() OVERRIDE;
97
98  // RenderWidget overrides.
99  virtual bool SupportsAsynchronousSwapBuffers() OVERRIDE;
100
101 private:
102  // Creates the GL context for compositing.
103  void CreateContext();
104
105  // Initialize the GL states and resources for compositing.
106  bool InitContext();
107
108  // Checks (and returns) whether accelerated compositing should be on or off,
109  // and notify the browser.
110  bool CheckCompositing();
111
112  // Implementation of PepperParentContextProvider.
113  virtual WebGraphicsContext3DCommandBufferImpl*
114      GetParentContextForPlatformContext3D() OVERRIDE;
115
116  // URL that is responsible for this widget, passed to ggl::CreateViewContext.
117  GURL active_url_;
118
119  // The plugin instance this widget wraps.
120  webkit::ppapi::PluginInstance* plugin_;
121
122  // GL context for compositing.
123  WebGraphicsContext3DCommandBufferImpl* context_;
124  unsigned int buffer_;
125  unsigned int program_;
126
127  base::WeakPtrFactory<RenderWidgetFullscreenPepper> weak_ptr_factory_;
128
129  scoped_ptr<MouseLockDispatcher> mouse_lock_dispatcher_;
130
131  DISALLOW_COPY_AND_ASSIGN(RenderWidgetFullscreenPepper);
132};
133
134}  // namespace content
135
136#endif  // CONTENT_RENDERER_RENDER_WIDGET_FULLSCREEN_PEPPER_H_
137