michael@0: /* Copyright 2012 Mozilla Foundation and Mozilla contributors
michael@0:  *
michael@0:  * Licensed under the Apache License, Version 2.0 (the "License");
michael@0:  * you may not use this file except in compliance with the License.
michael@0:  * You may obtain a copy of the License at
michael@0:  *
michael@0:  *     http://www.apache.org/licenses/LICENSE-2.0
michael@0:  *
michael@0:  * Unless required by applicable law or agreed to in writing, software
michael@0:  * distributed under the License is distributed on an "AS IS" BASIS,
michael@0:  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
michael@0:  * See the License for the specific language governing permissions and
michael@0:  * limitations under the License.
michael@0:  */
michael@0: 
michael@0: #ifndef mozilla_dom_system_b2g_audiomanager_h__
michael@0: #define mozilla_dom_system_b2g_audiomanager_h__
michael@0: 
michael@0: #include "mozilla/Observer.h"
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsIAudioManager.h"
michael@0: #include "nsIObserver.h"
michael@0: #include "AudioChannelAgent.h"
michael@0: #include "android_audio/AudioSystem.h"
michael@0: 
michael@0: // {b2b51423-502d-4d77-89b3-7786b562b084}
michael@0: #define NS_AUDIOMANAGER_CID {0x94f6fd70, 0x7615, 0x4af9, \
michael@0:       {0x89, 0x10, 0xf9, 0x3c, 0x55, 0xe6, 0x62, 0xec}}
michael@0: #define NS_AUDIOMANAGER_CONTRACTID "@mozilla.org/telephony/audiomanager;1"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace hal {
michael@0: class SwitchEvent;
michael@0: typedef Observer<SwitchEvent> SwitchObserver;
michael@0: } // namespace hal
michael@0: 
michael@0: namespace dom {
michael@0: namespace gonk {
michael@0: class RecoverTask;
michael@0: class AudioChannelVolInitCallback;
michael@0: class AudioManager : public nsIAudioManager
michael@0:                    , public nsIObserver
michael@0: {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS
michael@0:   NS_DECL_NSIAUDIOMANAGER
michael@0:   NS_DECL_NSIOBSERVER
michael@0: 
michael@0:   AudioManager();
michael@0:   ~AudioManager();
michael@0: 
michael@0:   // When audio backend is dead, recovery task needs to read all volume
michael@0:   // settings then set back into audio backend.
michael@0:   friend class RecoverTask;
michael@0:   friend class AudioChannelVolInitCallback;
michael@0: 
michael@0: protected:
michael@0:   int32_t mPhoneState;
michael@0:   int mCurrentStreamVolumeTbl[AUDIO_STREAM_CNT];
michael@0: 
michael@0:   nsresult SetStreamVolumeIndex(int32_t aStream, int32_t aIndex);
michael@0:   nsresult GetStreamVolumeIndex(int32_t aStream, int32_t *aIndex);
michael@0: 
michael@0: private:
michael@0:   nsAutoPtr<mozilla::hal::SwitchObserver> mObserver;
michael@0:   nsCOMPtr<nsIAudioChannelAgent>          mPhoneAudioAgent;
michael@0: #ifdef MOZ_B2G_RIL
michael@0:   bool                                    mMuteCallToRIL;
michael@0:   // mIsMicMuted is only used for toggling mute call to RIL.
michael@0:   bool                                    mIsMicMuted;
michael@0: #endif
michael@0: 
michael@0:   void HandleBluetoothStatusChanged(nsISupports* aSubject,
michael@0:                                     const char* aTopic,
michael@0:                                     const nsCString aAddress);
michael@0: };
michael@0: 
michael@0: } /* namespace gonk */
michael@0: } /* namespace dom */
michael@0: } /* namespace mozilla */
michael@0: 
michael@0: #endif // mozilla_dom_system_b2g_audiomanager_h__