src/content/browser/renderer_host/gamepad_browser_message_filter.h

   1 // Copyright (c) 2012 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_BROWSER_RENDERER_HOST_GAMEPAD_BROWSER_MESSAGE_FILTER_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_GAMEPAD_BROWSER_MESSAGE_FILTER_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/shared_memory.h"
  10 #include "content/browser/gamepad/gamepad_consumer.h"
  11 #include "content/public/browser/browser_message_filter.h"
  12
  13 namespace content {
  14
  15 class GamepadService;
  16 class RenderProcessHost;
  17
  18 class GamepadBrowserMessageFilter :
  19     public BrowserMessageFilter,
  20     public GamepadConsumer {
  21  public:
  22   GamepadBrowserMessageFilter();
  23
  24   // BrowserMessageFilter implementation.
  25   bool OnMessageReceived(const IPC::Message& message) override;
  26
  27   // GamepadConsumer implementation.
  28   void OnGamepadConnected(unsigned index,
  29                           const blink::WebGamepad& gamepad) override;
  30   void OnGamepadDisconnected(unsigned index,
  31                              const blink::WebGamepad& gamepad) override;
  32
  33  private:
  34   ~GamepadBrowserMessageFilter() override;
  35
  36   void OnGamepadStartPolling(base::SharedMemoryHandle* renderer_handle);
  37   void OnGamepadStopPolling();
  38
  39   bool is_started_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(GamepadBrowserMessageFilter);
  42 };
  43
  44 }  // namespace content
  45
  46 #endif  // CONTENT_BROWSER_RENDERER_HOST_GAMEPAD_BROWSER_MESSAGE_FILTER_H_