dom/system/gonk/AudioChannelManager.h@b8a032363ba2 (annotated)
dom/system/gonk/AudioChannelManager.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| michael@0 | 3 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | #ifndef mozilla_dom_system_AudioChannelManager_h |
| michael@0 | 6 | #define mozilla_dom_system_AudioChannelManager_h |
| michael@0 | 7 | |
| michael@0 | 8 | #include "mozilla/DOMEventTargetHelper.h" |
| michael@0 | 9 | #include "mozilla/Hal.h" |
| michael@0 | 10 | #include "mozilla/HalTypes.h" |
| michael@0 | 11 | #include "AudioChannelService.h" |
| michael@0 | 12 | |
| michael@0 | 13 | namespace mozilla { |
| michael@0 | 14 | namespace hal { |
| michael@0 | 15 | class SwitchEvent; |
| michael@0 | 16 | typedef Observer<SwitchEvent> SwitchObserver; |
| michael@0 | 17 | } // namespace hal |
| michael@0 | 18 | |
| michael@0 | 19 | namespace dom { |
| michael@0 | 20 | namespace system { |
| michael@0 | 21 | |
| michael@0 | 22 | class AudioChannelManager MOZ_FINAL |
| michael@0 | 23 | : public DOMEventTargetHelper |
| michael@0 | 24 | , public hal::SwitchObserver |
| michael@0 | 25 | , public nsIDOMEventListener |
| michael@0 | 26 | { |
| michael@0 | 27 | public: |
| michael@0 | 28 | AudioChannelManager(); |
| michael@0 | 29 | virtual ~AudioChannelManager(); |
| michael@0 | 30 | |
| michael@0 | 31 | NS_DECL_ISUPPORTS_INHERITED |
| michael@0 | 32 | NS_DECL_NSIDOMEVENTLISTENER |
| michael@0 | 33 | |
| michael@0 | 34 | void Notify(const hal::SwitchEvent& aEvent); |
| michael@0 | 35 | |
| michael@0 | 36 | void Init(nsPIDOMWindow* aWindow); |
| michael@0 | 37 | |
| michael@0 | 38 | /** |
| michael@0 | 39 | * WebIDL Interface |
| michael@0 | 40 | */ |
| michael@0 | 41 | |
| michael@0 | 42 | nsPIDOMWindow* GetParentObject() const |
| michael@0 | 43 | { |
| michael@0 | 44 | return GetOwner(); |
| michael@0 | 45 | } |
| michael@0 | 46 | |
| michael@0 | 47 | virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE; |
| michael@0 | 48 | |
| michael@0 | 49 | bool Headphones() const |
| michael@0 | 50 | { |
| michael@0 | 51 | // Bug 929139 - Remove the assert check for SWITCH_STATE_UNKNOWN. |
| michael@0 | 52 | // If any devices (ex: emulator) didn't have the corresponding sys node for |
| michael@0 | 53 | // headset switch state then GonkSwitch will report the unknown state. |
| michael@0 | 54 | // So it is possible to get unknown state here. |
| michael@0 | 55 | return mState != hal::SWITCH_STATE_OFF && |
| michael@0 | 56 | mState != hal::SWITCH_STATE_UNKNOWN; |
| michael@0 | 57 | } |
| michael@0 | 58 | |
| michael@0 | 59 | bool SetVolumeControlChannel(const nsAString& aChannel); |
| michael@0 | 60 | |
| michael@0 | 61 | bool GetVolumeControlChannel(nsAString& aChannel); |
| michael@0 | 62 | |
| michael@0 | 63 | IMPL_EVENT_HANDLER(headphoneschange) |
| michael@0 | 64 | |
| michael@0 | 65 | private: |
| michael@0 | 66 | void NotifyVolumeControlChannelChanged(); |
| michael@0 | 67 | |
| michael@0 | 68 | hal::SwitchState mState; |
| michael@0 | 69 | int32_t mVolumeChannel; |
| michael@0 | 70 | }; |
| michael@0 | 71 | |
| michael@0 | 72 | } // namespace system |
| michael@0 | 73 | } // namespace dom |
| michael@0 | 74 | } // namespace mozilla |
| michael@0 | 75 | |
| michael@0 | 76 | #endif // mozilla_dom_system_AudioChannelManager_h |
