/*+
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).+
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* All rights reserved.+
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* This component and the accompanying materials are made available+
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* under the terms of "Eclipse Public License v1.0"+
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* which accompanies this distribution, and is available+
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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*+
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* Initial Contributors:+
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* Nokia Corporation - initial contribution.+
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*+
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* Contributors:+
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*+
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* Description:  Auto resume handler+
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*+
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*/+
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#ifndef CMPXAUTORESUMEHANDLER_H+
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#define CMPXAUTORESUMEHANDLER_H+
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+
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// INCLUDES+
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#include <e32base.h>+
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#include <mpxpskeyobserver.h>+
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#include <mpxplaybackframeworkdefs.h>+
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+
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// FORWARD DECLARATIONS+
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class CMPXPlaybackEngine;+
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class CMPXPSKeyWatcher;+
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+
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/**+
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*  CMPXAutoResumeHandler.+
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*  Class for processing call state events.+
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*+
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*  @since 3.0+
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*/+
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NONSHARABLE_CLASS(CMPXAutoResumeHandler) :  public CBase,+
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                                            public MMPXPSKeyObserver+
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+
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    {+
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public:+
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    /**+
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    * Creates instance of the CMPXAutoResumeHandler class.+
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    *+
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    * @param aEngine reference to playback engine+
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    * @param aMixerSupport flag to support mixer+
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    * @return Returns the instance just created.+
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    */+
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    static CMPXAutoResumeHandler* NewL(CMPXPlaybackEngine& aEngine,+
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                                       TBool aMixerSupport);+
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+
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    /**+
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    * Destructor.+
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    */+
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    virtual ~CMPXAutoResumeHandler();+
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    +
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    /**+
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    * Handle open file complete+
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    */+
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    void HandleOpenFileComplete();+
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    +
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    /**+
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    * Handle playback state change+
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    * @param aState new state    +
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    */+
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    void HandlePlaybackStateChange(TMPXPlaybackState aState);+
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+
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    /**+
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    * Handle complete of playing a song+
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    * @aError error code+
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    */+
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    void HandlePlaybackComplete(TInt aError);+
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+
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    /**+
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    * Resume timer cancel.+
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    */+
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    void CancelResumeTimer();+
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+
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    /**+
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     * Set autoresume value+
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     */+
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    void SetAutoResume(TBool aAutoResume);+
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+
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private: // constructors+
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+
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    /**+
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    * C++ default constructor.+
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    *+
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    * @param aEngine reference to playback engine+
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    * @param aMixerSupport flag to support mixer+
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    */+
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    CMPXAutoResumeHandler(CMPXPlaybackEngine& aEngine, TBool aMixerSupport);+
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+
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    /**+
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    * Symbian OS constructor.+
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    */+
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    void ConstructL();+
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+
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private: // From base classes+
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+
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    /**+
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    * From MMPXPSKeyObserver+
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    * Handle PS event+
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    *+
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    * @param aUid The UID that identifies the property category+
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    * @param aKey The property sub-key+
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    */+
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    void HandlePSEvent(TUid aUid, TInt aKey);+
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+
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private:  // New functions+
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+
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    /**+
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    * Handle call state or type change.+
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    */+
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    void DoHandleStateChangeL();+
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+
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    /**+
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    * Check if we should go to pause in+
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    * given call state+
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    */+
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    TBool ShouldPause();+
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+
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    /**+
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    * Handle resume timer callback+
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    */+
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    void HandleResumeTimerCallback();+
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+
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    /**+
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    * Callback for resume timer.+
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    */+
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    static TInt ResumeTimerCallback(TAny* aPtr);+
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+
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    /**+
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    * Checks if current player is remote: playback shouldn't be paused+
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    * in that case+
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    */+
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    TBool IsPlaybackRemote();+
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    +
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    /**+
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    * Handle change in voice command state. +
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    */+
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    void DoHandleVoiceCmdChange();+
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+
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private: // data+
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    CMPXPlaybackEngine&  iEngine;+
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    TBool iMixerSupport;+
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    TBool iPausedForCall;+
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    CMPXPSKeyWatcher* iStateObserver; // owned+
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    CMPXPSKeyWatcher* iTypeObserver;  // owned+
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    TTime iKErrDiedTime;+
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    TBool iAutoResume;+
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+
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    // Timer for resume operation. Owned.+
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    CPeriodic* iResumeTimer;+
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    +
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    CMPXPSKeyWatcher* iVoiceCmdObserver;  // owned+
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    TBool iPausedForVoiceCmd;+
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    TBool iVoiceCmdResumeOngoing;+
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    };+
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+
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#endif      // CMPXAUTORESUMEHANDLER_H   +
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            +
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// End of File+
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