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1 // Copyright (c) 2013 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 ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_IMPL_H_ | |
6 #define ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_IMPL_H_ | |
7 | |
8 #include "android_webview/browser/browser_view_renderer.h" | |
9 #include "android_webview/browser/renderer_host/view_renderer_host.h" | |
10 #include "content/public/browser/android/compositor.h" | |
11 #include "content/public/browser/android/content_view_core.h" | |
12 #include "content/public/browser/web_contents_observer.h" | |
13 #include "skia/ext/refptr.h" | |
14 #include "ui/gfx/point.h" | |
15 #include "ui/gfx/size.h" | |
16 #include "ui/gfx/size_f.h" | |
17 | |
18 typedef void* EGLContext; | |
19 struct AwDrawSWFunctionTable; | |
20 struct AwDrawGLInfo; | |
21 class SkCanvas; | |
22 class SkPicture; | |
23 | |
24 namespace content { | |
25 class SynchronousCompositor; | |
26 class WebContents; | |
27 } | |
28 | |
29 namespace gfx { | |
30 class Vector2dF; | |
31 } | |
32 | |
33 namespace android_webview { | |
34 | |
35 class BrowserViewRendererImpl | |
36 : public BrowserViewRenderer, | |
37 public ViewRendererHost::Client, | |
38 public content::Compositor::Client { | |
39 public: | |
40 static BrowserViewRenderer* Create(BrowserViewRenderer::Client* client, | |
41 JavaHelper* java_helper); | |
42 static BrowserViewRendererImpl* FromWebContents( | |
43 content::WebContents* contents); | |
44 | |
45 virtual ~BrowserViewRendererImpl(); | |
46 | |
47 // BrowserViewRenderer implementation. | |
48 virtual void SetContents( | |
49 content::ContentViewCore* content_view_core) OVERRIDE; | |
50 virtual bool PrepareDrawGL(int x, int y) OVERRIDE; | |
51 virtual void DrawGL(AwDrawGLInfo* draw_info) OVERRIDE; | |
52 virtual bool DrawSW(jobject java_canvas, const gfx::Rect& clip) OVERRIDE; | |
53 virtual base::android::ScopedJavaLocalRef<jobject> CapturePicture() OVERRIDE; | |
54 virtual void EnableOnNewPicture(bool enabled) OVERRIDE; | |
55 virtual void OnVisibilityChanged( | |
56 bool view_visible, bool window_visible) OVERRIDE; | |
57 virtual void OnSizeChanged(int width, int height) OVERRIDE; | |
58 virtual void OnAttachedToWindow(int width, int height) OVERRIDE; | |
59 virtual void OnDetachedFromWindow() OVERRIDE; | |
60 virtual bool IsAttachedToWindow() OVERRIDE; | |
61 virtual bool IsViewVisible() OVERRIDE; | |
62 virtual gfx::Rect GetScreenRect() OVERRIDE; | |
63 | |
64 // content::Compositor::Client implementation. | |
65 virtual void ScheduleComposite() OVERRIDE; | |
66 | |
67 // ViewRendererHost::Client implementation. | |
68 virtual void OnPictureUpdated(int process_id, int render_view_id) OVERRIDE; | |
69 | |
70 protected: | |
71 BrowserViewRendererImpl(BrowserViewRenderer::Client* client, | |
72 JavaHelper* java_helper); | |
73 | |
74 virtual bool RenderPicture(SkCanvas* canvas); | |
75 | |
76 private: | |
77 class UserData; | |
78 friend class UserData; | |
79 | |
80 // Returns the latest locally available picture if any. | |
81 // If none is available will synchronously request the latest one | |
82 // and block until the result is received. | |
83 skia::RefPtr<SkPicture> GetLastCapturedPicture(); | |
84 void OnPictureUpdated(); | |
85 | |
86 void SetCompositorVisibility(bool visible); | |
87 void ResetCompositor(); | |
88 void Invalidate(); | |
89 bool RenderSW(SkCanvas* canvas); | |
90 | |
91 void OnFrameInfoUpdated(const gfx::SizeF& content_size, | |
92 const gfx::Vector2dF& scroll_offset, | |
93 float page_scale_factor); | |
94 | |
95 // Called when |web_contents_| is disconnected from |this| object. | |
96 void WebContentsGone(); | |
97 | |
98 BrowserViewRenderer::Client* client_; | |
99 BrowserViewRenderer::JavaHelper* java_helper_; | |
100 | |
101 scoped_ptr<ViewRendererHost> view_renderer_host_; | |
102 scoped_ptr<content::Compositor> compositor_; | |
103 | |
104 // Ensures content keeps clipped within the view during transformations. | |
105 scoped_refptr<cc::Layer> view_clip_layer_; | |
106 | |
107 // Applies the transformation matrix. | |
108 scoped_refptr<cc::Layer> transform_layer_; | |
109 | |
110 // Ensures content is drawn within the scissor clip rect provided by the | |
111 // Android framework. | |
112 scoped_refptr<cc::Layer> scissor_clip_layer_; | |
113 | |
114 // Last View scroll before hardware rendering is triggered. | |
115 gfx::Point hw_rendering_scroll_; | |
116 | |
117 bool view_attached_; | |
118 bool view_visible_; | |
119 bool compositor_visible_; | |
120 bool is_composite_pending_; | |
121 float dpi_scale_; | |
122 float page_scale_; | |
123 gfx::Size view_size_; | |
124 gfx::SizeF content_size_css_; | |
125 bool new_picture_enabled_; | |
126 | |
127 // Used only for detecting Android View System context changes. | |
128 // Not to be used between draw calls. | |
129 EGLContext last_frame_context_; | |
130 | |
131 // Set via SetContents. Used to recognize updates to the local WebView. | |
132 content::WebContents* web_contents_; | |
133 | |
134 // Used to observe frame metadata updates. | |
135 content::ContentViewCore::UpdateFrameInfoCallback update_frame_info_callback_; | |
136 | |
137 bool prevent_client_invalidate_; | |
138 | |
139 DISALLOW_COPY_AND_ASSIGN(BrowserViewRendererImpl); | |
140 }; | |
141 | |
142 } // namespace android_webview | |
143 | |
144 #endif // ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_IMPL_H_ | |
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