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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef ScreenWakeLock_h |
| 6 #define ScreenWakeLock_h |
| 7 |
| 8 #include "core/frame/LocalFrameLifecycleObserver.h" |
| 9 #include "core/page/PageLifecycleObserver.h" |
| 10 #include "modules/ModulesExport.h" |
| 11 #include "wtf/Noncopyable.h" |
| 12 |
| 13 namespace blink { |
| 14 |
| 15 class LocalFrame; |
| 16 class Screen; |
| 17 class WebWakeLockClient; |
| 18 |
| 19 class MODULES_EXPORT ScreenWakeLock final |
| 20 : public NoBaseWillBeGarbageCollected<ScreenWakeLock> |
| 21 , public WillBeHeapSupplement<LocalFrame> |
| 22 , PageLifecycleObserver |
| 23 , LocalFrameLifecycleObserver { |
| 24 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ScreenWakeLock); |
| 25 WTF_MAKE_NONCOPYABLE(ScreenWakeLock); |
| 26 public: |
| 27 // IDL-bound functions |
| 28 static bool keepAwake(Screen&); |
| 29 static void setKeepAwake(Screen&, bool); |
| 30 |
| 31 bool keepAwake() const { return m_keepAwake; } |
| 32 void setKeepAwake(bool); |
| 33 |
| 34 static const char* supplementName(); |
| 35 static ScreenWakeLock* from(LocalFrame*); |
| 36 static void provideTo(LocalFrame&, WebWakeLockClient*); |
| 37 |
| 38 // Inherited from PageLifecycleObserver |
| 39 virtual void pageVisibilityChanged() override; |
| 40 virtual void didCommitLoad(LocalFrame*) override; |
| 41 |
| 42 // Inherited from LocalFrameLifecycleObserver |
| 43 virtual void willDetachFrameHost() override; |
| 44 |
| 45 DECLARE_VIRTUAL_TRACE(); |
| 46 |
| 47 private: |
| 48 ScreenWakeLock(LocalFrame&, WebWakeLockClient*); |
| 49 |
| 50 static ScreenWakeLock* fromScreen(Screen&); |
| 51 void updateClient(); |
| 52 |
| 53 bool m_keepAwake; |
| 54 WebWakeLockClient* m_client; |
| 55 }; |
| 56 |
| 57 } // namespace blink |
| 58 |
| 59 #endif // ScreenWakeLock_h |
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