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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_ | 5 #ifndef DEVICE_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_ |
6 #define DEVICE_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_ | 6 #define DEVICE_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <set> | 9 #include <set> |
10 #include <utility> | 10 #include <utility> |
11 | 11 |
12 #include "base/callback.h" | 12 #include "base/callback.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/weak_ptr.h" | 15 #include "base/memory/weak_ptr.h" |
16 #include "base/sequenced_task_runner.h" | 16 #include "base/sequenced_task_runner.h" |
| 17 #include "device/wake_lock/public/interfaces/wake_lock_service_context.mojom.h" |
17 #include "device/wake_lock/wake_lock_service_impl.h" | 18 #include "device/wake_lock/wake_lock_service_impl.h" |
| 19 #include "mojo/public/cpp/bindings/binding.h" |
18 #include "mojo/public/cpp/bindings/interface_request.h" | 20 #include "mojo/public/cpp/bindings/interface_request.h" |
19 #include "ui/gfx/native_widget_types.h" | 21 #include "ui/gfx/native_widget_types.h" |
20 | 22 |
21 namespace device { | 23 namespace device { |
22 | 24 |
23 class PowerSaveBlocker; | 25 class PowerSaveBlocker; |
24 | 26 |
25 class WakeLockServiceContext { | 27 // Callback that maps a context ID to the NativeView associated with |
| 28 // that context. |
| 29 using WakeLockContextCallback = base::Callback<gfx::NativeView(int)>; |
| 30 |
| 31 class WakeLockServiceContext : public mojom::WakeLockServiceContext { |
26 public: | 32 public: |
27 WakeLockServiceContext( | 33 WakeLockServiceContext( |
| 34 mojom::WakeLockServiceContextRequest request, |
28 scoped_refptr<base::SingleThreadTaskRunner> file_task_runner, | 35 scoped_refptr<base::SingleThreadTaskRunner> file_task_runner, |
29 base::Callback<gfx::NativeView()> native_view_getter); | 36 WakeLockContextCallback native_view_getter); |
30 ~WakeLockServiceContext(); | 37 ~WakeLockServiceContext() override; |
31 | 38 |
32 // Creates a WakeLockServiceImpl that is strongly bound to |request|. | 39 // mojom::WakeLockServiceContext: |
33 void CreateService(mojo::InterfaceRequest<mojom::WakeLockService> request); | 40 void SetContextID(int context_id) override; |
| 41 void BindWakeLock( |
| 42 mojo::InterfaceRequest<mojom::WakeLockService> request) override; |
| 43 void HasWakeLockForTests( |
| 44 const HasWakeLockForTestsCallback& callback) override; |
34 | 45 |
35 // Requests wake lock. | 46 // Requests wake lock. |
36 void RequestWakeLock(); | 47 void RequestWakeLock(); |
37 | 48 |
38 // Cancels pending wake lock request. | 49 // Cancels pending wake lock request. |
39 void CancelWakeLock(); | 50 void CancelWakeLock(); |
40 | 51 |
41 // Used by tests. | |
42 bool HasWakeLockForTests() const; | |
43 | |
44 private: | 52 private: |
45 void CreateWakeLock(); | 53 void CreateWakeLock(); |
46 void RemoveWakeLock(); | 54 void RemoveWakeLock(); |
47 void UpdateWakeLock(); | 55 void UpdateWakeLock(); |
| 56 void OnConnectionError(); |
48 | 57 |
49 scoped_refptr<base::SequencedTaskRunner> main_task_runner_; | 58 scoped_refptr<base::SequencedTaskRunner> main_task_runner_; |
50 scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_; | 59 scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_; |
| 60 int context_id_; |
51 | 61 |
52 int num_lock_requests_; | 62 int num_lock_requests_; |
53 | 63 |
54 // The actual power save blocker for screen. | 64 // The actual power save blocker for screen. |
55 std::unique_ptr<PowerSaveBlocker> wake_lock_; | 65 std::unique_ptr<PowerSaveBlocker> wake_lock_; |
56 base::Callback<gfx::NativeView()> native_view_getter_; | 66 WakeLockContextCallback native_view_getter_; |
| 67 |
| 68 mojo::Binding<mojom::WakeLockServiceContext> binding_; |
| 69 |
| 70 // The number of connections that the client has in this context, |
| 71 // including both the connection to this implementation and all |
| 72 // connections made via |BindWakeLock()|. When this number reaches |
| 73 // 0 this instance isn't needed anymore and kills itself. |
| 74 int num_connections_; |
57 | 75 |
58 base::WeakPtrFactory<WakeLockServiceContext> weak_factory_; | 76 base::WeakPtrFactory<WakeLockServiceContext> weak_factory_; |
59 | 77 |
60 DISALLOW_COPY_AND_ASSIGN(WakeLockServiceContext); | 78 DISALLOW_COPY_AND_ASSIGN(WakeLockServiceContext); |
61 }; | 79 }; |
62 | 80 |
63 } // namespace device | 81 } // namespace device |
64 | 82 |
65 #endif // DEVICE_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_ | 83 #endif // DEVICE_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_ |
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