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Side by Side Diff: device/gamepad/gamepad_provider.h

Issue 2808093006: [Device Service] Move Gamepad Blink headers to be part of the Gamepad client library (Closed)
Patch Set: rebase and address comments Created 3 years, 8 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef DEVICE_GAMEPAD_GAMEPAD_PROVIDER_H_ 5 #ifndef DEVICE_GAMEPAD_GAMEPAD_PROVIDER_H_
6 #define DEVICE_GAMEPAD_GAMEPAD_PROVIDER_H_ 6 #define DEVICE_GAMEPAD_GAMEPAD_PROVIDER_H_
7 7
8 #include <memory> 8 #include <memory>
9 #include <utility> 9 #include <utility>
10 #include <vector> 10 #include <vector>
11 11
12 #include "base/callback_forward.h" 12 #include "base/callback_forward.h"
13 #include "base/macros.h" 13 #include "base/macros.h"
14 #include "base/memory/ref_counted.h" 14 #include "base/memory/ref_counted.h"
15 #include "base/memory/shared_memory.h" 15 #include "base/memory/shared_memory.h"
16 #include "base/synchronization/lock.h" 16 #include "base/synchronization/lock.h"
17 #include "base/system_monitor/system_monitor.h" 17 #include "base/system_monitor/system_monitor.h"
18 #include "device/gamepad/gamepad_export.h" 18 #include "device/gamepad/gamepad_export.h"
19 #include "device/gamepad/gamepad_pad_state_provider.h" 19 #include "device/gamepad/gamepad_pad_state_provider.h"
20 #include "device/gamepad/gamepad_shared_buffer.h" 20 #include "device/gamepad/gamepad_shared_buffer.h"
21 #include "device/gamepad/public/cpp/gamepads.h"
21 #include "mojo/public/cpp/system/buffer.h" 22 #include "mojo/public/cpp/system/buffer.h"
22 23
23 #include "third_party/WebKit/public/platform/WebGamepads.h"
24
25 namespace base { 24 namespace base {
26 class SingleThreadTaskRunner; 25 class SingleThreadTaskRunner;
27 class Thread; 26 class Thread;
28 } 27 }
29 28
30 namespace device { 29 namespace device {
31 30
32 class GamepadDataFetcher; 31 class GamepadDataFetcher;
33 32
34 class DEVICE_GAMEPAD_EXPORT GamepadConnectionChangeClient { 33 class DEVICE_GAMEPAD_EXPORT GamepadConnectionChangeClient {
35 public: 34 public:
36 virtual void OnGamepadConnectionChange(bool connected, 35 virtual void OnGamepadConnectionChange(bool connected,
37 int index, 36 int index,
38 const blink::WebGamepad& pad) = 0; 37 const Gamepad& pad) = 0;
39 }; 38 };
40 39
41 class DEVICE_GAMEPAD_EXPORT GamepadProvider 40 class DEVICE_GAMEPAD_EXPORT GamepadProvider
42 : public GamepadPadStateProvider, 41 : public GamepadPadStateProvider,
43 public base::SystemMonitor::DevicesChangedObserver { 42 public base::SystemMonitor::DevicesChangedObserver {
44 public: 43 public:
45 explicit GamepadProvider( 44 explicit GamepadProvider(
46 GamepadConnectionChangeClient* connection_change_client); 45 GamepadConnectionChangeClient* connection_change_client);
47 46
48 // Manually specifies the data fetcher. Used for testing. 47 // Manually specifies the data fetcher. Used for testing.
49 explicit GamepadProvider( 48 explicit GamepadProvider(
50 GamepadConnectionChangeClient* connection_change_client, 49 GamepadConnectionChangeClient* connection_change_client,
51 std::unique_ptr<GamepadDataFetcher> fetcher); 50 std::unique_ptr<GamepadDataFetcher> fetcher);
52 51
53 ~GamepadProvider() override; 52 ~GamepadProvider() override;
54 53
55 // Returns the shared memory handle of the gamepad data duplicated into the 54 // Returns the shared memory handle of the gamepad data duplicated into the
56 // given process. 55 // given process.
57 base::SharedMemoryHandle GetSharedMemoryHandleForProcess( 56 base::SharedMemoryHandle GetSharedMemoryHandleForProcess(
58 base::ProcessHandle renderer_process); 57 base::ProcessHandle renderer_process);
59 58
60 // Returns a new mojo::ScopedSharedBufferHandle of the gamepad data. 59 // Returns a new mojo::ScopedSharedBufferHandle of the gamepad data.
61 mojo::ScopedSharedBufferHandle GetSharedBufferHandle(); 60 mojo::ScopedSharedBufferHandle GetSharedBufferHandle();
62 61
63 void AddGamepadDataFetcher(GamepadDataFetcher* fetcher); 62 void AddGamepadDataFetcher(GamepadDataFetcher* fetcher);
64 void RemoveGamepadDataFetcher(GamepadDataFetcher* fetcher); 63 void RemoveGamepadDataFetcher(GamepadDataFetcher* fetcher);
65 64
66 void GetCurrentGamepadData(blink::WebGamepads* data); 65 void GetCurrentGamepadData(Gamepads* data);
67 66
68 // Pause and resume the background polling thread. Can be called from any 67 // Pause and resume the background polling thread. Can be called from any
69 // thread. 68 // thread.
70 void Pause(); 69 void Pause();
71 void Resume(); 70 void Resume();
72 71
73 // Registers the given closure for calling when the user has interacted with 72 // Registers the given closure for calling when the user has interacted with
74 // the device. This callback will only be issued once. 73 // the device. This callback will only be issued once.
75 void RegisterForUserGesture(const base::Closure& closure); 74 void RegisterForUserGesture(const base::Closure& closure);
76 75
(...skipping 17 matching lines...) Expand all
94 void DoRemoveSourceGamepadDataFetcher(GamepadSource source); 93 void DoRemoveSourceGamepadDataFetcher(GamepadSource source);
95 94
96 // Method for sending pause hints to the low-level data fetcher. Runs on 95 // Method for sending pause hints to the low-level data fetcher. Runs on
97 // polling_thread_. 96 // polling_thread_.
98 void SendPauseHint(bool paused); 97 void SendPauseHint(bool paused);
99 98
100 // Method for polling a GamepadDataFetcher. Runs on the polling_thread_. 99 // Method for polling a GamepadDataFetcher. Runs on the polling_thread_.
101 void DoPoll(); 100 void DoPoll();
102 void ScheduleDoPoll(); 101 void ScheduleDoPoll();
103 102
104 void OnGamepadConnectionChange(bool connected, 103 void OnGamepadConnectionChange(bool connected, int index, const Gamepad& pad);
105 int index,
106 const blink::WebGamepad& pad);
107 104
108 // Checks the gamepad state to see if the user has interacted with it. 105 // Checks the gamepad state to see if the user has interacted with it.
109 void CheckForUserGesture(); 106 void CheckForUserGesture();
110 107
111 enum { kDesiredSamplingIntervalMs = 16 }; 108 enum { kDesiredSamplingIntervalMs = 16 };
112 109
113 // Keeps track of when the background thread is paused. Access to is_paused_ 110 // Keeps track of when the background thread is paused. Access to is_paused_
114 // must be guarded by is_paused_lock_. 111 // must be guarded by is_paused_lock_.
115 base::Lock is_paused_lock_; 112 base::Lock is_paused_lock_;
116 bool is_paused_; 113 bool is_paused_;
(...skipping 43 matching lines...) Expand 10 before | Expand all | Expand 10 after
160 std::unique_ptr<base::Thread> polling_thread_; 157 std::unique_ptr<base::Thread> polling_thread_;
161 158
162 GamepadConnectionChangeClient* connection_change_client_; 159 GamepadConnectionChangeClient* connection_change_client_;
163 160
164 DISALLOW_COPY_AND_ASSIGN(GamepadProvider); 161 DISALLOW_COPY_AND_ASSIGN(GamepadProvider);
165 }; 162 };
166 163
167 } // namespace device 164 } // namespace device
168 165
169 #endif // DEVICE_GAMEPAD_GAMEPAD_PROVIDER_H_ 166 #endif // DEVICE_GAMEPAD_GAMEPAD_PROVIDER_H_
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