content/child/child_shared_bitmap_manager.h

   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 CONTENT_CHILD_CHILD_SHARED_BITMAP_MANAGER_H_
   6 #define CONTENT_CHILD_CHILD_SHARED_BITMAP_MANAGER_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/memory/shared_memory.h"
  11 #include "cc/resources/shared_bitmap_manager.h"
  12 #include "content/child/thread_safe_sender.h"
  13
  14 namespace content {
  15
  16 class SharedMemoryBitmap : public cc::SharedBitmap {
  17  public:
  18   base::SharedMemory* shared_memory() { return shared_memory_; }
  19
  20  protected:
  21   SharedMemoryBitmap(uint8* pixels,
  22                      const cc::SharedBitmapId& id,
  23                      base::SharedMemory* shared_memory);
  24
  25   base::SharedMemory* shared_memory_;
  26 };
  27
  28 class ChildSharedBitmapManager : public cc::SharedBitmapManager {
  29  public:
  30   ChildSharedBitmapManager(scoped_refptr<ThreadSafeSender> sender);
  31   ~ChildSharedBitmapManager() override;
  32
  33   // cc::SharedBitmapManager implementation.
  34   scoped_ptr<cc::SharedBitmap> AllocateSharedBitmap(
  35       const gfx::Size& size) override;
  36   scoped_ptr<cc::SharedBitmap> GetSharedBitmapFromId(
  37       const gfx::Size&,
  38       const cc::SharedBitmapId&) override;
  39
  40   scoped_ptr<cc::SharedBitmap> GetBitmapForSharedMemory(
  41       base::SharedMemory* mem);
  42   scoped_ptr<SharedMemoryBitmap> AllocateSharedMemoryBitmap(
  43       const gfx::Size& size);
  44
  45  private:
  46   scoped_refptr<ThreadSafeSender> sender_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(ChildSharedBitmapManager);
  49 };
  50
  51 }  // namespace content
  52
  53 #endif  // CONTENT_CHILD_CHILD_SHARED_BITMAP_MANAGER_H_