Bug 815445 - Hook up telephony audio to audio channels backend r=baku

dom/audiochannel/AudioChannelService.cpp

@@ -20,6 +20,9 @@
 
 #include "nsThreadUtils.h"
 
+#ifdef MOZ_WIDGET_GONK
+#include "nsIAudioManager.h"
+#endif
 using namespace mozilla;
 using namespace mozilla::dom;
 
@@ -273,3 +276,18 @@ AudioChannelService::ChannelName(AudioChannelType aType)
   NS_NOTREACHED("Execution should not reach here!");
   return nullptr;
 }
+
+#ifdef MOZ_WIDGET_GONK
+void
+AudioChannelService::SetPhoneInCall(bool aActive)
+{
+  //while ring tone and in-call mode, mute media element
+  if (aActive) {
+    mChannelCounters[AUDIO_CHANNEL_TELEPHONY] = 1;
+  } else {
+    mChannelCounters[AUDIO_CHANNEL_TELEPHONY] = 0;
+  }
+  Notify();
+}
+#endif
+

dom/audiochannel/AudioChannelService.h

@@ -51,6 +51,13 @@ public:
    */
   virtual bool GetMuted(AudioChannelType aType, bool aElementHidden);
 
+  /**
+   * Sync the phone status with telephony
+   */
+#ifdef MOZ_WIDGET_GONK
+  void SetPhoneInCall(bool aActive);
+#endif
+
 protected:
   void Notify();
 

dom/system/gonk/AudioManager.cpp

@@ -20,6 +20,7 @@
 #include "gonk/AudioSystem.h"
 #include "nsIObserverService.h"
 #include "mozilla/Services.h"
+#include "AudioChannelService.h"
 
 using namespace mozilla::dom::gonk;
 using namespace android;
@@ -298,6 +299,12 @@ AudioManager::SetPhoneState(int32_t aState)
   }
 
   mPhoneState = aState;
+
+  nsRefPtr<AudioChannelService> audioChannelService = AudioChannelService::GetAudioChannelService();
+  if (!audioChannelService) {
+    return NS_ERROR_FAILURE;
+  }
+  audioChannelService->SetPhoneInCall(aState == nsIAudioManager::PHONE_STATE_IN_CALL);
   return NS_OK;
 }