content/browser/renderer_host/pepper/pepper_gamepad_host.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_PEPPER_PEPPER_GAMEPAD_HOST_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_GAMEPAD_HOST_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "content/browser/gamepad/gamepad_consumer.h"
  11 #include "content/common/content_export.h"
  12 #include "ppapi/host/resource_host.h"
  13
  14 namespace ppapi {
  15 namespace host {
  16 struct ReplyMessageContext;
  17 }
  18 }
  19
  20 namespace content {
  21
  22 class BrowserPpapiHost;
  23 class GamepadService;
  24
  25 class CONTENT_EXPORT PepperGamepadHost :
  26     public ppapi::host::ResourceHost,
  27     public GamepadConsumer {
  28  public:
  29   PepperGamepadHost(BrowserPpapiHost* host,
  30                     PP_Instance instance,
  31                     PP_Resource resource);
  32
  33   // Allows tests to specify a gamepad service to use rather than the global
  34   // singleton. The caller owns the gamepad_service pointer.
  35   PepperGamepadHost(GamepadService* gamepad_service,
  36                     BrowserPpapiHost* host,
  37                     PP_Instance instance,
  38                     PP_Resource resource);
  39
  40   virtual ~PepperGamepadHost();
  41
  42   virtual int32_t OnResourceMessageReceived(
  43       const IPC::Message& msg,
  44       ppapi::host::HostMessageContext* context) OVERRIDE;
  45
  46   // GamepadConsumer implementation.
  47   virtual void OnGamepadConnected(
  48       unsigned index,
  49       const blink::WebGamepad& gamepad) OVERRIDE {}
  50   virtual void OnGamepadDisconnected(
  51       unsigned index,
  52       const blink::WebGamepad& gamepad) OVERRIDE {}
  53
  54  private:
  55   int32_t OnRequestMemory(ppapi::host::HostMessageContext* context);
  56
  57   void GotUserGesture(const ppapi::host::ReplyMessageContext& in_context);
  58
  59   BrowserPpapiHost* browser_ppapi_host_;
  60
  61   GamepadService* gamepad_service_;
  62
  63   bool is_started_;
  64
  65   base::WeakPtrFactory<PepperGamepadHost> weak_factory_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(PepperGamepadHost);
  68 };
  69
  70 }  // namespace content
  71
  72 #endif  // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_GAMEPAD_HOST_H_