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
14namespace ppapi {
15namespace host {
16struct ReplyMessageContext;
17}
18}
19
20namespace content {
21
22class BrowserPpapiHost;
23class GamepadService;
24
25class 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_
73