Android WebView Merged-Thread Hardware Draw

android_webview/browser/in_process_renderer/in_process_view_renderer.h

 // Copyright (c) 2013 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 ANDROID_WEBVIEW_BROWSER_IN_PROCESS_IN_PROCESS_VIEW_RENDERER_H_
 #define ANDROID_WEBVIEW_BROWSER_IN_PROCESS_IN_PROCESS_VIEW_RENDERER_H_
 
 #include "android_webview/browser/browser_view_renderer_impl.h"
 
 #include "content/public/renderer/android/synchronous_compositor_client.h"
 
 namespace content {
 class SynchronousCompositor;
+class WebContents;
 }
 
 namespace android_webview {
 
 // Provides RenderViewHost wrapper functionality for sending WebView-specific
 // IPC messages to the renderer and from there to WebKit.
-class InProcessViewRenderer : public BrowserViewRendererImpl,
+class InProcessViewRenderer : public BrowserViewRenderer,
                               public content::SynchronousCompositorClient {
  public:
   InProcessViewRenderer(BrowserViewRenderer::Client* client,
                         JavaHelper* java_helper);
   virtual ~InProcessViewRenderer();
 
+  static InProcessViewRenderer* FromWebContents(
+      content::WebContents* contents);
+  static InProcessViewRenderer* FromId(
+      int render_process_id, int render_view_id);
+  void BindSynchronousCompositor(
+      content::SynchronousCompositor* compositor);
+
   // BrowserViewRenderer overrides
-  virtual void BindSynchronousCompositor(
-      content::SynchronousCompositor* compositor) OVERRIDE;
-  virtual bool RenderPicture(SkCanvas* canvas) OVERRIDE;
+  virtual void SetContents(
+      content::ContentViewCore* content_view_core) OVERRIDE;
+  virtual void DrawGL(AwDrawGLInfo* draw_info) OVERRIDE;
+  virtual void SetScrollForHWFrame(int x, int y) OVERRIDE;
+  virtual bool DrawSW(jobject java_canvas,
+                      const gfx::Rect& clip_bounds) OVERRIDE;
+  virtual base::android::ScopedJavaLocalRef<jobject> CapturePicture() OVERRIDE;
+  virtual void EnableOnNewPicture(bool enabled) OVERRIDE;
+  virtual void OnVisibilityChanged(
+      bool view_visible, bool window_visible) OVERRIDE;
+  virtual void OnSizeChanged(int width, int height) OVERRIDE;
+  virtual void OnAttachedToWindow(int width, int height) OVERRIDE;
+  virtual void OnDetachedFromWindow() OVERRIDE;
+  virtual bool IsAttachedToWindow() OVERRIDE;
+  virtual bool IsViewVisible() OVERRIDE;
+  virtual gfx::Rect GetScreenRect() OVERRIDE;
 
   // SynchronousCompositorClient overrides
- virtual void DidDestroyCompositor(
+  virtual void DidDestroyCompositor(
       content::SynchronousCompositor* compositor) OVERRIDE;
+  virtual void SetContinuousInvalidate(bool invalidate) OVERRIDE;
+
+  void WebContentsGone();
 
  private:
+  void Invalidate();
+  bool RenderPicture(SkCanvas* canvas);
+
+  content::WebContents* web_contents_;
   content::SynchronousCompositor* compositor_;
+  BrowserViewRenderer::Client* client_;
+
+  bool view_visible_;
+  bool inside_draw_;
+  bool continuous_invalidate_;

[joth, 2013/05/09 10:48:52]

comments on these three would be helpful

+
+  // Used only for detecting Android View System context changes.
+  // Not to be used between draw calls.
+  EGLContext last_frame_context_;
+
+  // Last View scroll before hardware rendering is triggered.
+  gfx::Point hw_rendering_scroll_;
 
   DISALLOW_COPY_AND_ASSIGN(InProcessViewRenderer);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_IN_PROCESS_IN_PROCESS_VIEW_RENDERER_H_