content/renderer/gamepad_shared_memory_reader.h

   1 // Copyright (c) 2011 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_GAMEPAD_SHARED_MEMORY_READER_H_
   6 #define CONTENT_RENDERER_GAMEPAD_SHARED_MEMORY_READER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/memory/shared_memory.h"
  10 #include "third_party/WebKit/public/platform/WebGamepads.h"
  11
  12 namespace content {
  13
  14 struct GamepadHardwareBuffer;
  15
  16 class GamepadSharedMemoryReader {
  17  public:
  18   GamepadSharedMemoryReader();
  19   virtual ~GamepadSharedMemoryReader();
  20   void SampleGamepads(blink::WebGamepads&);
  21
  22  private:
  23   base::SharedMemoryHandle renderer_shared_memory_handle_;
  24   scoped_ptr<base::SharedMemory> renderer_shared_memory_;
  25   GamepadHardwareBuffer* gamepad_hardware_buffer_;
  26
  27   bool ever_interacted_with_;
  28 };
  29
  30 }  // namespace content
  31
  32 #endif  // CONTENT_RENDERER_GAMEPAD_SHARED_MEMORY_READER_H_