bluetoothengine/btsac/btrcc/src/btrccplayerstarter.cpp
branchRCL_3
changeset 72 4b59561a31c0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/btsac/btrcc/src/btrccplayerstarter.cpp	Wed Oct 13 14:43:49 2010 +0300
@@ -0,0 +1,303 @@
+/*
+* Copyright (c) 2008 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:  This class launchs music player, then send play command
+*                to the player at 2 seconds timeout.
+*
+*/
+
+
+// INCLUDE FILES
+#include <apacmdln.h>
+#include <apgcli.h>
+#include <e32property.h>
+#include <remconcoreapitarget.h>
+#include "btrccplayerstarter.h"
+#include "btaudioremconpskeys.h"
+#include "debug.h"
+
+// MODULE DATA STRUCTURES
+
+// mpx playeris name is mpx.exe in 5.0.
+// it is musicplayer.exe in 3.2.
+_LIT(KMpxPlayerExeName, "mpx.exe");
+
+_LIT(KMpxPlayerSearchPatternBySID, "*102072c3*");
+_LIT(KVideoPlayerSearchPatternBySID, "*200159B2*");
+
+static const TInt KPlayCmdToPlayerDelay = 6000000; // value will be tuned later 
+
+// ================= MEMBER FUNCTIONS =======================
+
+// -----------------------------------------------------------------------------
+// CPlayerStarter::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CPlayerStarter* CPlayerStarter::NewL()
+	{
+	CPlayerStarter* self = new (ELeave) CPlayerStarter();
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+void CPlayerStarter::SetCoreTarget(CRemConCoreApiTarget& aTarget)
+    {
+    iCoreTarget = &aTarget;
+    }
+
+// -----------------------------------------------------------------------------
+// CPlayerStarter::CPlayerStarter
+// C++ constructor.
+// -----------------------------------------------------------------------------
+//
+CPlayerStarter::CPlayerStarter()
+  :CActive(EPriorityNormal)
+    {
+    CActiveScheduler::Add(this);
+    }
+
+// -----------------------------------------------------------------------------
+// CPlayerStarter::ConstructL
+// Symbian 2nd phase constructor.
+// -----------------------------------------------------------------------------
+//
+void CPlayerStarter::ConstructL()
+    {
+    TRACE_FUNC
+    iTimer.CreateLocal();
+    }
+
+// -----------------------------------------------------------------------------
+// Destructor.
+// -----------------------------------------------------------------------------
+//
+CPlayerStarter::~CPlayerStarter()
+	{
+	TRACE_FUNC
+	// Starting player is not finished yet, send play command. Just wish the player 
+	// can receive it.
+	if (IsActive() && iState != ERespondPlayNok)
+	    {
+        RProperty::Set(KBTAudioRemCon, KBTAudioPlayerControl, 
+                EBTAudioResumePlayer);	    
+	    }
+	Cancel();
+	iTimer.Close();
+	}
+
+// -----------------------------------------------------------------------------
+// CPlayerStarter::RunL
+// -----------------------------------------------------------------------------
+//
+void CPlayerStarter::RunL()
+    {
+    TRACE_INFO((_L("CPlayerStarter::RunL() state %d, status %d"), iState, iStatus.Int()));
+    if (iStatus != KErrNone)
+        {
+        iState = EIdle;
+        return;
+        }
+    switch (iState)
+        {
+        case ERespondPlayOk:
+            {
+            // Response OK has been sent to the remote device, start timer waiting
+            // for player's initialization.
+            iTimer.After(iStatus, KPlayCmdToPlayerDelay);
+            SetActive();
+            iState = EPlayMusicTiming;
+            TRACE_INFO(_L("schedule PLAY command ..."));
+            break;
+            }
+        case EPlayMusicTiming:
+            {
+            // Player should have fully up and running. Send PLAY command to it
+            // through our internal Play API.
+            RProperty::Set(KBTAudioRemCon, KBTAudioPlayerControl, 
+                    EBTAudioResumePlayer);
+            TRACE_INFO(_L("PLAY command sent to btmonobearer"));
+            iState = EIdle;
+            break;
+            }
+        default:
+            {
+            iState = EIdle;
+            break;
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CPlayerStarter::RunError
+// -----------------------------------------------------------------------------
+//
+TInt CPlayerStarter::RunError(TInt aError)
+    {
+    TRACE_FUNC
+    (void) aError;
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CPlayerStarter::DoCancel
+// -----------------------------------------------------------------------------
+//
+void CPlayerStarter::DoCancel()
+    {
+    TRACE_FUNC
+    switch (iState)
+        {
+        case ERespondPlayOk:
+        case ERespondPlayNok:
+            {
+            // This cancel won't cancel the response sending to the remote 
+            // device. (RemCon FW's cancel mechanism is only completing client's request.
+            // the real operation in its server side won't be stopped.)
+            iCoreTarget->Cancel();
+            break;
+            }
+        case EPlayMusicTiming:
+            {
+            iTimer.Cancel();
+            break;
+            }
+        }
+    }
+// ---------------------------------------------------------------------------
+// A 'play' command has been received.
+// ---------------------------------------------------------------------------
+//
+void CPlayerStarter::MrccatoPlay(
+    TRemConCoreApiPlaybackSpeed /* aSpeed */,
+    TRemConCoreApiButtonAction aButtonAct )
+    {
+    TRACE_FUNC
+    if ( ( aButtonAct == ERemConCoreApiButtonClick ) ||
+        ( aButtonAct == ERemConCoreApiButtonPress ) )
+        {
+        StartPlayIfNeeded();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// A command has been received.
+// ---------------------------------------------------------------------------
+//
+void CPlayerStarter::MrccatoCommand(
+    TRemConCoreApiOperationId aOperationId,
+    TRemConCoreApiButtonAction aButtonAct )
+    {
+    TRACE_INFO((_L("CPlayerStarter::MrccatoCommand opId %d, button %d"), 
+        aOperationId, aButtonAct));
+    switch (aOperationId)
+        {
+        case ERemConCoreApiPlay:
+            {
+            if ( ( aButtonAct == ERemConCoreApiButtonClick ) ||
+                ( aButtonAct == ERemConCoreApiButtonPress ) )
+                {
+                StartPlayIfNeeded();
+                }
+            break;
+            }
+        case ERemConCoreApiStop:
+        case ERemConCoreApiPause:
+            {
+            if ( ( aButtonAct == ERemConCoreApiButtonClick ) ||
+                ( aButtonAct == ERemConCoreApiButtonPress ) )
+                {
+                // if starting player is ongoing, possibly PLAY command has been scheduled
+                // need to abort it.
+                Cancel();
+                }
+            break;
+            }
+        default:
+            {
+            break;
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CPlayerStarter::StartPlayIfNeeded
+// -----------------------------------------------------------------------------
+//
+void CPlayerStarter::StartPlayIfNeeded() 
+    {
+    TRACE_FUNC
+    // unfinished business ongoing, eat the event.
+    if (IsActive())
+        {
+        return;
+        }
+    if (!IsMusicPlayerRunning() && !IsVideoPlayerRunning())
+         {
+         TRAPD(err, LaunchMusicPlayerL());
+         // Send the response of play command to remote device
+         iCoreTarget->PlayResponse(iStatus, err);
+         SetActive();
+         iState = (err) ? ERespondPlayNok : ERespondPlayOk;
+         }
+    }
+
+TBool CPlayerStarter::IsMusicPlayerRunning()
+    {
+    TRACE_FUNC
+    // Music player is running if we can find a thread whose name contains 
+    // S60 Music Player's SID.
+    TFindThread findt(KMpxPlayerSearchPatternBySID);
+    TFullName result;
+    TBool running(EFalse);
+    if (!findt.Next(result))
+        {
+        TRACE_INFO((_L("Thread '%S'is found"), &result));
+        running = ETrue;
+        }
+    return running;
+    }
+
+TBool CPlayerStarter::IsVideoPlayerRunning()
+    {
+    TRACE_FUNC
+    // Video player is running if we can find a thread whose name contains 
+    // Video Player's SID.
+    TFindThread findt(KVideoPlayerSearchPatternBySID);
+    TFullName result;
+    TBool running(EFalse);
+    if (!findt.Next(result))
+        {
+        TRACE_INFO((_L("Thread '%S'is found"), &result));
+        running = ETrue;
+        }
+    return running;
+    }
+
+void CPlayerStarter::LaunchMusicPlayerL()
+    {
+    RApaLsSession ls;
+    User::LeaveIfError(ls.Connect());
+    CleanupClosePushL(ls);
+    CApaCommandLine* cmd = CApaCommandLine::NewL();
+    CleanupStack::PushL(cmd);
+    cmd->SetExecutableNameL( KMpxPlayerExeName );
+    cmd->SetCommandL( EApaCommandOpen );
+    User::LeaveIfError(ls.StartApp( *cmd ));
+    CleanupStack::PopAndDestroy(2); // cmd, ls
+    }
+
+
+//  End of File