javauis/amms_akn/mmacontrol/src/cammsaudiooutputcontrol.cpp
branchRCL_3
changeset 66 2455ef1f5bbc
child 83 26b2b12093af
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/amms_akn/mmacontrol/src/cammsaudiooutputcontrol.cpp	Wed Sep 01 12:33:18 2010 +0100
@@ -0,0 +1,483 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Manipulates the audio output mode.
+*
+*/
+
+// INCLUDE FILES
+#include <AudioPreference.h>
+#include <jdebug.h>
+#include "cammsaudiooutputcontrol.h"
+#include "cmmavolumecontrol.h"
+#include <cmmaplayerevent.h>
+#include <cmmaaudioplayer.h>
+#include <cmmavideoplayer.h>
+#include <mmf/common/mmfcontroller.h>
+#include <midiclientutility.h>
+#include <cammscustomcommandutility.h>
+#include <JniEnvWrapper.h>
+// CONSTANTS
+_LIT(KErrAudioOutputControlError, "AMMS AudioOutputControl error: %d");
+const TInt KEventMessageSize = 64;
+const TInt KNoPriference = 0;
+const TInt KAllSpeakers = 1;
+const TInt KNoAudioOutput = 2;
+const TInt KAudioEarpiece = 3;
+const TInt KAudioLoudspeaker = 4;
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CAMMSAudioOutputControl::NewLC
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+CAMMSAudioOutputControl* CAMMSAudioOutputControl::NewLC(CMMAPlayer* aPlayer)
+{
+    CAMMSAudioOutputControl* self = new(ELeave) CAMMSAudioOutputControl(aPlayer);
+
+    CleanupStack::PushL(self);
+
+    self->ConstructL();
+
+    return self;
+}
+
+// Destructor
+CAMMSAudioOutputControl::~CAMMSAudioOutputControl()
+{
+    DEBUG("AMMS::CAMMSAudioOutputControl::~");
+    if (iAudioOutput)
+    {
+        delete iAudioOutput;
+    }
+    if (iAccMonitor)
+    {
+        iAccMonitor ->StopObserving();
+        delete iAccMonitor;
+    }
+}
+
+//set java AudioOutput object
+void CAMMSAudioOutputControl::SetJavaAudioOutputObject(jobject object)
+{
+    DEBUG("AMMS::CAMMSAudioOutputControl::SetJavaAudioOutputObject ");
+    iJavaAudioOutputObj = object;
+    // JNI interface pointer can't be passed to different thread, so
+    // it is needed to get valid JNI interface pointer for Event Server thread
+    iJni = JniEnvWrapper::GetValidJniRef();
+}
+
+void CAMMSAudioOutputControl::ResetJavaAudioOutputObject()
+{
+    DEBUG("AMMS::CAMMSAudioOutputControl::ResetJavaAudioOutputObject ");
+    jmethodID setOutputModeID = iJni->GetMethodID(
+                                    iJni->GetObjectClass(iJavaAudioOutputObj),
+                                    "setOutputMode",
+                                    "(I)V");
+
+    jint jpref = (jint)GetCurrentPrefInt();
+    iJni->CallVoidMethod(iJavaAudioOutputObj,setOutputModeID,jpref);
+}
+
+// -----------------------------------------------------------------------------
+// CAMMSAudioOutputControl::SetAudioOutput
+// Sets the preference using a linear point scale between 0 and 4.
+// -----------------------------------------------------------------------------
+//
+TInt CAMMSAudioOutputControl::SetAudioOutput(TInt aPreference)
+{
+    DEBUG_INT("AMMS::CAMMSAudioOutputControl::SetAudioOutputL %d", aPreference);
+
+    TInt temppreference = 0;
+    DEBUG("AMMS::CAMMSAudioOutputControl::SetAudioOutputL  After __ASSERT_DEBUG");
+    // Set a new preference only if it differs from the previous one.
+    if (aPreference != iRoutingUserPreference)
+    {
+        switch (aPreference)
+        {
+        case KNoPriference:
+        {
+            temppreference = SetAudioOutputToMmf(CAudioOutput::ENoPreference);
+        }
+        break;
+        case KAllSpeakers:
+        {
+            temppreference = SetAudioOutputToMmf(CAudioOutput::EAll);
+        }
+        break;
+        case KNoAudioOutput:
+        {
+            temppreference = SetAudioOutputToMmf(CAudioOutput::ENoOutput);
+        }
+        break;
+        case KAudioEarpiece:
+        {
+            temppreference = SetAudioOutputToMmf(CAudioOutput::EPrivate);
+        }
+        break;
+        case KAudioLoudspeaker:
+        {
+            temppreference = SetAudioOutputToMmf(CAudioOutput::EPublic);
+        }
+        break;
+        default:
+            break;
+        }
+    }
+
+    DEBUG_INT("AMMS::CAMMSAudioOutputControl::SetAudioOutputL - = %d", temppreference);
+    return temppreference;
+
+}
+
+// -----------------------------------------------------------------------------
+// CAMMSAudioOutputControl::GetAudioOutput
+// Gets the preference.
+// -----------------------------------------------------------------------------
+TInt CAMMSAudioOutputControl::GetAudioOutput()
+{
+    DEBUG_INT("AMMS::CAMMSAudioOutputControl::GetAudioOutput %d", (TInt)iRoutingUserPreference);
+    return (TInt)iRoutingUserPreference;
+}
+
+// ----------------------------------------------------------------------------------------
+// CAMMSAudioOutputControl::GetCurrentPreference
+// Gets the preference.if user preference is not set return the current device preference
+// ----------------------------------------------------------------------------------------
+void CAMMSAudioOutputControl::GetCurrentPreference()
+{
+    // reset the java AudioOutput object with current mode
+    ResetJavaAudioOutputObject();
+}
+
+// ----------------------------------------------------------------------------------------
+// CAMMSAudioOutputControl::GetCurrentPrefInt
+// Gets the preference.if user preference is not set return the current device preference in TInt form
+// ----------------------------------------------------------------------------------------
+
+TInt CAMMSAudioOutputControl::GetCurrentPrefInt()
+{
+    TInt pref ;
+    // get the value of current preference
+    if (iRoutingUserPreference == CAudioOutput::ENoPreference)
+    {
+        DEBUG_INT("AMMS::CAMMSAudioOutputControl::GetCurrentPrefInt_if %d", (TInt)iDefaultDevicePreference);
+        pref = GetDeviceDefaultPreference();
+    }
+    else
+    {
+        DEBUG_INT("AMMS::CAMMSAudioOutputControl::GetCurrentPrefInt_else %d", (TInt)iRoutingUserPreference);
+        pref = (TInt)iRoutingUserPreference;
+    }
+    return pref;
+}
+// ----------------------------------------------------------------------------------------
+// CAMMSAudioOutputControl::GetDeviceDefaultPreference
+// Gets the current device preference used as default
+// ----------------------------------------------------------------------------------------
+TInt CAMMSAudioOutputControl::GetDeviceDefaultPreference()
+{
+    DEBUG_INT("AMMS::CAMMSAudioOutputControl::GetDeviceDefaultPreference %d", (TInt)iDefaultDevicePreference);
+    iArray.Reset();
+    TInt temp = 0;
+    TRAPD(err,iAccMonitor->GetConnectedAccessoriesL(iArray));
+    if (err)
+    {
+        temp = -1;
+    }
+    TInt count = iArray.Count();
+    if (count == 0)
+    {
+        temp = (TInt)CAudioOutput::EPublic;
+    }
+    DEBUG_INT("AMMS::CAMMSAudioOutputControl::GetDeviceDefaultPreference :RConnectedAccessories count = %d",count);
+    for (TInt i = 0; i != count; i++)
+    {
+        TAccMonCapability deviceType = iArray[ i ]->AccDeviceType();
+        if (deviceType == KAccMonHeadset)
+        {
+            DEBUG("AMMS::CAMMSAudioOutputControl::CreateHeadsetStateObserverL info = Headset Connected  ");
+            temp = (TInt)CAudioOutput::EPrivate;
+            break;
+        }
+
+    }
+    return temp;
+}
+// -----------------------------------------------------------------------------
+// CAMMSAudioOutputControl::StateChanged
+// Called when player state is changed.
+// -----------------------------------------------------------------------------
+void CAMMSAudioOutputControl::StateChanged(TInt aState)
+{
+    DEBUG_INT("AMMS::CAMMSAudioOutputControl::StateChanged +, state = %d",  aState);
+    iPlayerState = (CMMAPlayer::TPlayerState)aState;
+    if (aState == CMMAPlayer::EStarted)
+    {
+        NotifyJavaOnChange();
+    }
+}
+
+const TDesC& CAMMSAudioOutputControl::ClassName() const
+{
+    DEBUG("CAMMSAudioOutputControl::ClassName");
+    return KAMMSAudioOutputControl;
+}
+
+// -----------------------------------------------------------------------------
+// CAMMSAudioOutputControl::SetPriorityToMmf
+// Scales the given AMMS priority to MMF priority and sets it to MMF.
+// -----------------------------------------------------------------------------
+TInt CAMMSAudioOutputControl::SetAudioOutputToMmf(CAudioOutput::TAudioOutputPreference aPref)
+{
+    DEBUG("AMMS::CAMMSAudioOutputControl::SetAudioOutputToMmfL +");
+    TRAPD(err,CreateNativeAudioOutputControlL();
+          iAudioOutput->SetAudioOutputL(aPref));
+    if (KErrNone != err)
+    {
+        TBuf<KEventMessageSize> errorMessage;
+        errorMessage.Format(KErrAudioOutputControlError, err);
+        iPlayer->PostStringEvent(CMMAPlayerEvent::EError, errorMessage);
+        return (TInt)iRoutingUserPreference;
+    }
+    iRoutingUserPreference = aPref;
+    if (iVolumeControl)
+    {
+        TRAPD(err,
+        {
+           // If current audio o/p preference is default and Headset or 
+           // Bluetooth device is connected or if preference is private then 
+           // set the audio preference as private to volume control else set it
+           // as public
+           if ( (iRoutingUserPreference == (TInt)(CAudioOutput::ENoPreference) &&
+               GetDeviceDefaultPreference() == (TInt)(CAudioOutput::EPrivate))||
+                iRoutingUserPreference == (TInt)(CAudioOutput::EPrivate))
+           {
+               iVolumeControl->SetAudioOutputPreferenceL(
+                   (TInt)(CAudioOutput::EPrivate));
+           }
+           else
+           {
+               iVolumeControl->SetAudioOutputPreferenceL(
+                   (TInt)(CAudioOutput::EPublic));
+           }
+        });
+        if (KErrNone > err)
+        {
+           TBuf<KEventMessageSize> errorMessage;
+           errorMessage.Format(KErrAudioOutputControlError, err);
+           iPlayer->PostStringEvent(CMMAPlayerEvent::EError, errorMessage);
+        }
+    }
+    // if during play user set a preference event should be sent to java
+    if (iPlayerState == CMMAPlayer::EStarted)
+    {
+        NotifyJavaOnChange();
+    }
+    return (TInt)iRoutingUserPreference;
+}
+
+void CAMMSAudioOutputControl::NotifyJavaOnChange()
+{
+    TInt tempPref = GetCurrentPrefInt();
+    if (iCurrentPreference == tempPref)
+    {
+        DEBUG("AMMS::CAMMSAudioOutputControl::NotifyJavaOnChange - No Event ");
+        return;
+    }
+    //reset the java side object with the current iCurrentActualPreference
+    ResetJavaAudioOutputObject();
+    iCurrentPreference = tempPref;
+    DEBUG("AMMS::CAMMSAudioOutputControl::NotifyJavaOnChange - Sending Event ");
+    iPlayer->PostObjectEvent(CMMAPlayerEvent::EAudioOutputPreferenceChangeEvent, iJavaAudioOutputObj);
+}
+
+void CAMMSAudioOutputControl::AccMonitorObserverError(TInt aError)
+{
+    DEBUG("AMMS::CAMMSAudioOutputControl::AccMonitorObserverError");
+    TBuf<KEventMessageSize> errorMessage;
+    errorMessage.Format(KErrAudioOutputControlError, aError);
+    iPlayer->PostStringEvent(CMMAPlayerEvent::EError, errorMessage);
+}
+// -----------------------------------------------------------------------------
+// CAMMSAudioOutputControl::CAMMSAudioOutputControl
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+CAMMSAudioOutputControl::CAMMSAudioOutputControl(CMMAPlayer* aPlayer)
+        : CAMMSControl(aPlayer),
+        iRoutingUserPreference(CAudioOutput::ENoPreference)
+{
+}
+// HEADSET CONNECTED OR NOT
+void CAMMSAudioOutputControl::ConnectedL(CAccMonitorInfo* aAccessoryInfo)
+{
+    DEBUG("AMMS::CAMMSAudioOutputControl::ConnectedL +");
+    TAccMonCapability deviceType = aAccessoryInfo->AccDeviceType() ;
+    if (deviceType == KAccMonHeadset)
+    {
+        DEBUG("AMMS::CAMMSAudioOutputControl::DisconnectedL: Headset connected");
+        // If audio o/p preference is default set the preference as private
+        // to volume control
+        if ( iRoutingUserPreference == (TInt)(CAudioOutput::ENoPreference))
+        {
+            if (iVolumeControl)
+            {
+                iVolumeControl->SetAudioOutputPreferenceL(
+                    (TInt)(CAudioOutput::EPrivate));
+            }
+        }
+        //send a callback
+        if (iRoutingUserPreference == (TInt)(CAudioOutput::ENoPreference))
+        {
+            NotifyJavaOnChange();
+        }
+    }
+    DEBUG("AMMS::CAMMSAudioOutputControl::ConnectedL -");
+}
+
+
+void CAMMSAudioOutputControl::DisconnectedL(CAccMonitorInfo*  aAccessoryInfo)
+{
+    DEBUG("AMMS::CAMMSAudioOutputControl::DisconnectedL +");
+    TAccMonCapability deviceType = aAccessoryInfo->AccDeviceType();
+    if (deviceType == KAccMonHeadset)
+    {
+        DEBUG("AMMS::CAMMSAudioOutputControl::DisconnectedL: Headset Disconnected");
+        iArray.Reset();
+        iAccMonitor->GetConnectedAccessoriesL(iArray);   
+        TInt count = iArray.Count();
+        if (count != 0)
+        {   
+           for (TInt i = 0; i != count; i++)
+           {
+              TAccMonCapability deviceType = iArray[ i ]->AccDeviceType();
+              if (deviceType == KAccMonHeadset)
+                 return;
+           }
+        }
+        // If audio o/p preference is default and no accessories is connected or
+        // o/p preference is not private then set the preference as public to
+        // volume control
+        if ( (iRoutingUserPreference == (TInt)(CAudioOutput::ENoPreference) &&
+               GetDeviceDefaultPreference() == (TInt)(CAudioOutput::EPublic)) ||
+                iRoutingUserPreference != (TInt)(CAudioOutput::EPrivate))
+        {
+            if (iVolumeControl)
+            {
+                iVolumeControl->SetAudioOutputPreferenceL(
+                    (TInt)(CAudioOutput::EPublic));
+            }
+        }
+        //send a callback
+        if (iRoutingUserPreference == (TInt)(CAudioOutput::ENoPreference))
+        {
+            NotifyJavaOnChange();
+        }
+    }
+    DEBUG("AMMS::CAMMSAudioOutputControl::DisconnectedL -");
+}
+
+// start observing headset connection disconnection
+
+void CAMMSAudioOutputControl::CreateHeadsetStateObserverL()
+{
+    // Headset connection and disconnection
+    RAccMonCapabilityArray capabilityArray;
+    capabilityArray.Append(KAccMonHeadset);
+
+    iAccMonitor = CAccMonitor::NewL();
+    iDefaultDevicePreference = (CAudioOutput::TAudioOutputPreference)
+                               GetDeviceDefaultPreference();
+    iCurrentPreference = (TInt)iDefaultDevicePreference;
+    TBool isObserving = iAccMonitor->IsObserving();
+    if (!isObserving)
+    {
+        iAccMonitor->StartObservingL(this, capabilityArray);
+    }
+}
+
+// end CreateHeadsetStateObserver
+
+// -----------------------------------------------------------------------------
+// CAMMSPlayerStateListener::ConstructL
+// 2nd phase constructor.
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+void CAMMSAudioOutputControl::ConstructL()
+{
+    DEBUG("AMMS::CAMMSAudioOutputControl::ConstructL +");
+    // create an observer to notify the state of headset
+    // and initialize iDefaultDevicePreference with CAudioOutput::EPrivate
+    // if headset is connected.
+    CreateHeadsetStateObserverL();
+    iPlayer->AddStateListenerL(this);
+    // set the current preference to volume control
+    iVolumeControl = GetVolumeControl();
+    if (iVolumeControl)
+    {
+        iVolumeControl->SetAudioOutputPreferenceL(iCurrentPreference);
+    }
+
+}
+
+CMMAVolumeControl* CAMMSAudioOutputControl::GetVolumeControl()
+{
+    // loop through all the available controls of player and return
+    // volume control if found else return null.
+    TInt count(iPlayer->ControlCount());
+    for (TInt i(0); i < count; i++)
+    {
+        CMMAControl* control = iPlayer->Control(i);
+        // Check that if this control supports volume control
+        if (control->ClassName() == KMMAVolumeControlName)
+        {
+            return static_cast< CMMAVolumeControl* >(control);
+        }
+    }
+    return 0;
+}
+
+void CAMMSAudioOutputControl::CreateNativeAudioOutputControlL()
+{
+    if (iAudioOutput)
+    {
+        return;
+    }
+
+    if (iPlayer->Type() == KMMAMIDIPlayer)
+    {
+        CMMAMIDIPlayer* mmaMIDIPlayer =
+            reinterpret_cast< CMMAMIDIPlayer* >(iPlayer);
+        iAudioOutput = CAudioOutput::NewL(*(mmaMIDIPlayer->MidiClient()));
+    }
+    else if (iPlayer->Type() == KMMAAudioPlayer)
+    {
+        MCustomCommand* customCommandUtility = (MCustomCommand *)CreateCustomCommandUtilityL();
+        // Create the CAudioOutput Object to handle the audio routing
+        iAudioOutput = CAudioOutput::NewL(*customCommandUtility);
+    }
+    else if (iPlayer->Type() == KMMAVideoPlayer)
+    {
+        CMMAVideoPlayer* mmaVideoPlayer =
+            reinterpret_cast< CMMAVideoPlayer* >(iPlayer);
+        RMMFController& mmfController = mmaVideoPlayer->Controller();
+        MCustomCommand* customCommandUtility =
+            CAMMSCustomCommandUtility::NewL(mmfController);
+        iAudioOutput = CAudioOutput::NewL(*customCommandUtility);
+    }
+}
+
+
+//  End of File