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comparison: dom/system/gonk/AudioChannelManager.h
dom/system/gonk/AudioChannelManager.h
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| -1:000000000000 | 0:dd28461e16a7 |
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| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef mozilla_dom_system_AudioChannelManager_h | |
| 6 #define mozilla_dom_system_AudioChannelManager_h | |
| 7 | |
| 8 #include "mozilla/DOMEventTargetHelper.h" | |
| 9 #include "mozilla/Hal.h" | |
| 10 #include "mozilla/HalTypes.h" | |
| 11 #include "AudioChannelService.h" | |
| 12 | |
| 13 namespace mozilla { | |
| 14 namespace hal { | |
| 15 class SwitchEvent; | |
| 16 typedef Observer<SwitchEvent> SwitchObserver; | |
| 17 } // namespace hal | |
| 18 | |
| 19 namespace dom { | |
| 20 namespace system { | |
| 21 | |
| 22 class AudioChannelManager MOZ_FINAL | |
| 23 : public DOMEventTargetHelper | |
| 24 , public hal::SwitchObserver | |
| 25 , public nsIDOMEventListener | |
| 26 { | |
| 27 public: | |
| 28 AudioChannelManager(); | |
| 29 virtual ~AudioChannelManager(); | |
| 30 | |
| 31 NS_DECL_ISUPPORTS_INHERITED | |
| 32 NS_DECL_NSIDOMEVENTLISTENER | |
| 33 | |
| 34 void Notify(const hal::SwitchEvent& aEvent); | |
| 35 | |
| 36 void Init(nsPIDOMWindow* aWindow); | |
| 37 | |
| 38 /** | |
| 39 * WebIDL Interface | |
| 40 */ | |
| 41 | |
| 42 nsPIDOMWindow* GetParentObject() const | |
| 43 { | |
| 44 return GetOwner(); | |
| 45 } | |
| 46 | |
| 47 virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE; | |
| 48 | |
| 49 bool Headphones() const | |
| 50 { | |
| 51 // Bug 929139 - Remove the assert check for SWITCH_STATE_UNKNOWN. | |
| 52 // If any devices (ex: emulator) didn't have the corresponding sys node for | |
| 53 // headset switch state then GonkSwitch will report the unknown state. | |
| 54 // So it is possible to get unknown state here. | |
| 55 return mState != hal::SWITCH_STATE_OFF && | |
| 56 mState != hal::SWITCH_STATE_UNKNOWN; | |
| 57 } | |
| 58 | |
| 59 bool SetVolumeControlChannel(const nsAString& aChannel); | |
| 60 | |
| 61 bool GetVolumeControlChannel(nsAString& aChannel); | |
| 62 | |
| 63 IMPL_EVENT_HANDLER(headphoneschange) | |
| 64 | |
| 65 private: | |
| 66 void NotifyVolumeControlChannelChanged(); | |
| 67 | |
| 68 hal::SwitchState mState; | |
| 69 int32_t mVolumeChannel; | |
| 70 }; | |
| 71 | |
| 72 } // namespace system | |
| 73 } // namespace dom | |
| 74 } // namespace mozilla | |
| 75 | |
| 76 #endif // mozilla_dom_system_AudioChannelManager_h |
