mpxmusicplayer/mediakeyhandler/inc/mpxmediakeyhandlerimp.h
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     1 /*
       
     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Implementation of media key handler
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 #ifndef C_CMPXMEDIAKEYHANDLERIMP_H
       
    21 #define C_CMPXMEDIAKEYHANDLERIMP_H
       
    22 
       
    23 
       
    24 // INCLUDES
       
    25 #include <remconcoreapitargetobserver.h>
       
    26 #include <coecntrl.h>
       
    27 #include <mpxplaybackobserver.h>
       
    28 #include <mpxplaybackframeworkdefs.h>
       
    29 
       
    30 
       
    31 // FORWARD DECLARATIONS
       
    32 class CRemConInterfaceSelector;
       
    33 class CRemConCoreApiTarget;
       
    34 class CRepository;
       
    35 class CMPXRemConKeyResponse;
       
    36 class MMPXPlaybackUtility;
       
    37 class CAknVolumePopup;
       
    38 class CMPXNotifierDialog;
       
    39 class MMPXMediaKeyHandlerObserver;
       
    40 class MMPXMetaDataHandler;
       
    41 #ifdef UPNP_INCLUDED
       
    42 class CUpnpCopyCommand;
       
    43 #endif
       
    44 // CLASS DECLARATION
       
    45 
       
    46 /**
       
    47  *  Media hard key handler implementation class
       
    48  *
       
    49  *  @lib mpxmediakeyhandler.lib
       
    50  *  @since S60 v3.1
       
    51  */
       
    52 NONSHARABLE_CLASS( CMPXMediaKeyHandlerImp ): public CBase,
       
    53                                              public MMPXMediaKeyHandler,
       
    54                                              public MRemConCoreApiTargetObserver,
       
    55                                              public MMPXPlaybackObserver,
       
    56                                              public MCoeControlObserver,
       
    57                                              public MMPXPlaybackCallback
       
    58     {
       
    59 public:
       
    60 
       
    61     /**
       
    62      * Two-phased constructor.
       
    63      *
       
    64      * @since 3.1
       
    65      * @param aFlags Flags for creating popups.
       
    66      * @param aObserver Observer for media key handling.
       
    67      * @return Pointer to newly created object.
       
    68      */
       
    69     static MMPXMediaKeyHandler* NewL(
       
    70         TMPXMediaKeyPopupFlags aFlags,
       
    71         MMPXMediaKeyHandlerObserver* aObserver );
       
    72 
       
    73     /**
       
    74      * Destructor.
       
    75      */
       
    76     virtual ~CMPXMediaKeyHandlerImp();
       
    77 
       
    78 private:
       
    79 
       
    80     /**
       
    81      * C++ default constructor.
       
    82      *
       
    83      * @param aFlags Flags for creating popups.
       
    84      * @param aObserver Custom command observer for media key handling.
       
    85      */
       
    86     CMPXMediaKeyHandlerImp( MMPXMediaKeyHandlerObserver* aObserver );
       
    87 
       
    88     /**
       
    89      * By default Symbian 2nd phase constructor is private.
       
    90      */
       
    91     void ConstructL( TMPXMediaKeyPopupFlags aFlags );
       
    92 
       
    93     /**
       
    94      * Filter and send command to playback utility.
       
    95      *
       
    96      * @param aCommandId command Id to be sent.
       
    97      */
       
    98     void FilterAndSendCommand( TMPXPlaybackCommand aCommandId );
       
    99 
       
   100     /**
       
   101      * Help filter and send command to playback utility.
       
   102      *
       
   103      * @param aCommandId command Id to be sent.
       
   104      */
       
   105     void DoFilterAndSendCommandL( TMPXPlaybackCommand aCommandId );
       
   106 
       
   107     /**
       
   108      *  Handle playback message
       
   109      *
       
   110      *  @param aMessage playback message
       
   111      */
       
   112     void DoHandlePlaybackMessageL( const CMPXMessage& aMessage );
       
   113 
       
   114     /**
       
   115      *  Handle playback property
       
   116      *
       
   117      *  @param aProperty the property
       
   118      *  @param aValue the value of the property
       
   119      *  @param aError error code
       
   120      */
       
   121     void DoHandlePropertyL( TMPXPlaybackProperty aProperty, TInt aValue, TInt aError );
       
   122 
       
   123     /**
       
   124      *  Handle media properties.
       
   125      *
       
   126      *  @param aMedia media properties
       
   127      *  @param aError error code
       
   128      */
       
   129     void DoHandleMediaL( const CMPXMedia& aMedia, TInt aError );
       
   130 
       
   131     /**
       
   132      *  Handle playback state changed.
       
   133      *
       
   134      *  @param aState New Playback state
       
   135      */
       
   136     void DoHandleStateChangedL( TMPXPlaybackState aState );
       
   137 
       
   138     /**
       
   139      * Callback for timer
       
   140      *
       
   141      * @param aPtr Pointer pass to this callback function.
       
   142      * @return Zero if callback function doesn't need to be called again.
       
   143      *         Otherwise, non-zero.
       
   144      */
       
   145     static TInt TimerCallback( TAny* aPtr );
       
   146 
       
   147     /**
       
   148      * Handle repeat event
       
   149      */
       
   150     void HandleRepeatEvent();
       
   151 
       
   152     /**
       
   153      * Retrieves the current player name and type
       
   154      */
       
   155     void GetSubPlayerInfoL(
       
   156         TDes& aSubPlayerName,
       
   157         TMPXPlaybackPlayerType& aCurrentPlayerType );
       
   158 
       
   159     /**
       
   160      * Sets the volume popup title to current remote player
       
   161      */
       
   162     void SetVolumePopupTitleL();
       
   163 
       
   164     /**
       
   165      * Checks if UPnP is set up and available
       
   166      */
       
   167     TBool IsUpnpVisibleL();
       
   168 
       
   169     /**
       
   170      * Updates the volume and the volume command
       
   171      */
       
   172 	void UpdateVolume();
       
   173 
       
   174 // from base class MMPXMediaKeyHandler
       
   175 
       
   176     /**
       
   177      * From MMPXMediaKeyHandler
       
   178      * Show playback popup
       
   179      *
       
   180      * @param aMode Playback popup behaviour mode
       
   181      */
       
   182     void ShowPlaybackPopupL( TMPXPlaybackPopupModes aMode );
       
   183 
       
   184     /**
       
   185      * From MMPXMediaKeyHandler
       
   186      * Show Volume popup
       
   187      */
       
   188     void ShowVolumePopupL();
       
   189 
       
   190     /**
       
   191      * From MMPXMediaKeyHandler
       
   192      * Dismiss notifier popup.
       
   193      *
       
   194      * @param aFlags Popup flag to determine which popup(s) should
       
   195      *               be dismissed.
       
   196      */
       
   197     void DismissNotifier( TMPXMediaKeyPopupFlags aFlags );
       
   198 
       
   199     /**
       
   200      * Enable or disable Media Key behavior
       
   201      * @since 3.1
       
   202      * @param aEnable, ETrue, media keys are sent to observers
       
   203      *                 EFalse, media keys are ignored
       
   204      */
       
   205     void SetEnableMediaKeys( TBool aEnable );
       
   206     
       
   207     /**
       
   208      * Gets called when orientation change begins
       
   209      */    
       
   210     void NotifyOrientationChangeBegin();
       
   211     
       
   212 // from base class MMPXPlaybackObserver
       
   213 
       
   214     /**
       
   215      * From MMPXPlaybackObserver
       
   216      * Handle playback message
       
   217      *
       
   218      * @param aMessage playback message
       
   219      * @param aErr system error code.
       
   220      */
       
   221     void HandlePlaybackMessage( CMPXMessage* aMessage, TInt aError );
       
   222 
       
   223 // from base class MMPXPlaybackCallback
       
   224 
       
   225     /**
       
   226      * From MMPXPlaybackCallback
       
   227      * Handle playback property
       
   228      *
       
   229      * @param aProperty the property
       
   230      * @param aValue the value of the property
       
   231      * @param aError error code
       
   232      */
       
   233     void HandlePropertyL( TMPXPlaybackProperty aProperty, TInt aValue, TInt aError );
       
   234 
       
   235     /**
       
   236      * From MMPXPlaybackCallback
       
   237      * Method is called continously until aComplete=ETrue, signifying that
       
   238      * it is done and there will be no more callbacks
       
   239      * Only new items are passed each time
       
   240      *
       
   241      * @param aPlayer UID of the subplayer
       
   242      * @param aSubPlayers a list of sub players
       
   243      * @param aComplete ETrue no more sub players. EFalse more subplayer
       
   244      *                  expected
       
   245      * @param aError error code
       
   246      */
       
   247     void HandleSubPlayerNamesL(
       
   248         TUid aPlayer,
       
   249         const MDesCArray* aSubPlayers,
       
   250         TBool aComplete,
       
   251         TInt aError );
       
   252 
       
   253     /**
       
   254      * From MMPXPlaybackCallback
       
   255      * Handle media properties
       
   256      *
       
   257      * @param aMedia media
       
   258      * @param aError error code
       
   259      */
       
   260     void HandleMediaL( const CMPXMedia& aMedia, TInt aError );
       
   261 
       
   262 // from base class MRemConCoreApiTargetObserver
       
   263 
       
   264     /**
       
   265      * From MRemConCoreApiTargetObserver
       
   266      * A 'play' command has been received.
       
   267      *
       
   268      * @param aSpeed The playback speed.
       
   269      * @param aButtonAct The button action associated with the command.
       
   270      */
       
   271     void MrccatoPlay(
       
   272         TRemConCoreApiPlaybackSpeed aSpeed,
       
   273         TRemConCoreApiButtonAction aButtonAct );
       
   274 
       
   275     /**
       
   276      * From MRemConCoreApiTargetObserver
       
   277      * A command has been received.
       
   278      *
       
   279      * @param aOperationId The operation ID of the command.
       
   280      * @param aButtonAct The button action associated with the command.
       
   281      */
       
   282     void MrccatoCommand(
       
   283         TRemConCoreApiOperationId aOperationId,
       
   284         TRemConCoreApiButtonAction aButtonAct );
       
   285 
       
   286     /**
       
   287      * From MRemConCoreApiTargetObserver
       
   288      * A 'tune function' command has been received.
       
   289      *
       
   290      * @param aTwoPart Determine which channel to be used.
       
   291      * @param aMajorChannel The major channel number.
       
   292      * @param aMinorChannel The minor channel number.
       
   293      * @param aButtonAct The button action associated with the command.
       
   294      */
       
   295     void MrccatoTuneFunction(
       
   296         TBool aTwoPart,
       
   297         TUint aMajorChannel,
       
   298         TUint aMinorChannel,
       
   299         TRemConCoreApiButtonAction aButtonAct );
       
   300 
       
   301     /**
       
   302      * From MRemConCoreApiTargetObserver
       
   303      * A 'select disk function' has been received.
       
   304      *
       
   305      * @param aDisk The disk.
       
   306      * @param aButtonAct The button action associated with the command.
       
   307      */
       
   308     void MrccatoSelectDiskFunction(
       
   309         TUint aDisk,
       
   310         TRemConCoreApiButtonAction aButtonAct );
       
   311 
       
   312     /**
       
   313      * From MRemConCoreApiTargetObserver
       
   314      * A 'select AV input function' has been received.
       
   315      *
       
   316      * @param aAvInputSignalNumber The AV input.
       
   317      * @param aButtonAct The button action associated with the command.
       
   318      */
       
   319     void MrccatoSelectAvInputFunction(
       
   320         TUint8 aAvInputSignalNumber,
       
   321         TRemConCoreApiButtonAction aButtonAct );
       
   322 
       
   323     /**
       
   324      * From MRemConCoreApiTargetObserver
       
   325      * A 'select audio input function' has been received.
       
   326      *
       
   327      * @param aAudioInputSignalNumber The audio input.
       
   328      * @param aButtonAct The button action associated with the command.
       
   329      */
       
   330     void MrccatoSelectAudioInputFunction(
       
   331         TUint8 aAudioInputSignalNumber,
       
   332         TRemConCoreApiButtonAction aButtonAct );
       
   333 
       
   334 	/**
       
   335 	* From MCoeControlObserver. To handle the volume events.
       
   336 	*/
       
   337 	void HandleControlEventL( CCoeControl* aControl, TCoeEvent aEventType );
       
   338 
       
   339     /**
       
   340      * Check the mpx app is foreground.
       
   341      * 
       
   342      * @return The check result. If mpx is foreground, return true.
       
   343      */
       
   344     TBool IsAppForeground();
       
   345 
       
   346 private:    // Data
       
   347 
       
   348     CRemConInterfaceSelector* iInterfaceSelector;   // owned
       
   349     CRemConCoreApiTarget* iCoreTarget;              // not own
       
   350     CPeriodic* iTimer;                              // owned
       
   351     CMPXRemConKeyResponse* iResponseHandler;        // owned
       
   352     CRepository* iSettingsRepository;               // owned
       
   353     CAknVolumePopup* iVolPopup;                     // owned
       
   354     CMPXNotifierDialog* iPlaybackPopup;             // owned
       
   355 
       
   356     MMPXPlaybackUtility* iPlaybackUtility;          // not own
       
   357     MMPXMediaKeyHandlerObserver* iObserver;         // not own
       
   358 
       
   359     // RemCon target for handling AVRCP 1.3 metadata commands
       
   360     MMPXMetaDataHandler* iMetaDataHandler;  				// own
       
   361 
       
   362     TInt iResourceOffset;                           // must be freed
       
   363     TInt iShowPopups;                               // Indicate which popup(s) should be shown
       
   364     TMPXPlaybackCommand iCommandId;                 // Command ID for repeat key events
       
   365     TBool iEnable;                                  // Media Key enabled / disabled
       
   366     TBool iUpnpFrameworkSupport;                    // UPnP framework support
       
   367 
       
   368     /**
       
   369      * Current track's info
       
   370      */
       
   371     HBufC* iTrackTitle;                             // owned
       
   372     TMPXPlaybackState iPlayerState;
       
   373     TInt iPlaybackPosition; // in seconds
       
   374     TBool iSkipping;
       
   375     TInt iCurrentVol;
       
   376     TBool iIncreaseVol;
       
   377     TBool iMuted;
       
   378     TInt iTouchVolEventCount;
       
   379     TInt iVolumeEventCount;
       
   380     TInt iVolumeSteps;			// Number of volume steps in ui
       
   381     #ifdef UPNP_INCLUDED
       
   382     CUpnpCopyCommand* iUpnpCopyCommand;
       
   383     #endif
       
   384     TInt iUpnpVolume; // absolute upnp volume value
       
   385     };
       
   386 
       
   387 #endif  // C_CMPXMEDIAKEYHANDLERIMP_H
       
   388 
       
   389 // End of File