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      1 // Copyright 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 CONTENT_PUBLIC_BROWSER_ANDROID_COMPOSITOR_CLIENT_H_
      6 #define CONTENT_PUBLIC_BROWSER_ANDROID_COMPOSITOR_CLIENT_H_
      7 
      8 #include "content/common/content_export.h"
      9 
     10 namespace content {
     11 
     12 class CONTENT_EXPORT CompositorClient {
     13  public:
     14   // Gives the client a chance for layout changes before compositing.
     15   virtual void Layout() {}
     16 
     17   // The compositor has completed swapping a frame.
     18   virtual void OnSwapBuffersCompleted(int pending_swap_buffers) {}
     19 
     20   // Tells the client that GL resources were lost and need to be reinitialized.
     21   virtual void DidLoseResources() {}
     22 
     23  protected:
     24   CompositorClient() {}
     25   virtual ~CompositorClient() {}
     26 
     27  private:
     28   DISALLOW_COPY_AND_ASSIGN(CompositorClient);
     29 };
     30 
     31 }  // namespace content
     32 
     33 #endif  // CONTENT_PUBLIC_BROWSER_ANDROID_COMPOSITOR_CLIENT_H_
     34