1 /*

     2 * Copyright (c) 2010 Ixonos Plc.

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the "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 * Ixonos Plc

    14 *

    15 * Description:  

    16 *

    17 */

    18 

    19 

    20 #ifndef VEICUTAUDIOVIEW_H

    21 #define VEICUTAUDIOVIEW_H

    22 

    23 

    24 #include <aknview.h>

    25 #include <VedMovie.h>

    26 #include <VedCommon.h>

    27 #include <utility.h>

    28 

    29 #include "VeiCutAudioContainer.h" 

    30 

    31 

    32 class CVeiCutAudioContainer;

    33 class CAknTitlePane;

    34 class CAknNavigationDecorator;

    35 class CAknNavigationControlContainer;

    36 class CPeriodic;

    37 class CMdaAudioRecorderUtility;

    38 class CMdaAudioType;

    39 class TMdaClipLocation;

    40 class CVeiErrorUI;

    41 

    42 /**

    43  *  CVeiCutAudioView view class.

    44  * 

    45  */

    46 class CVeiCutAudioView: public CAknView

    47 {

    48 public:

    49     // Constructors and destructor

    50 

    51     /**

    52      * Two-phased constructor.

    53      */

    54     static CVeiCutAudioView* NewL();

    55 

    56     /**

    57      * Two-phased constructor.

    58      */

    59     static CVeiCutAudioView* NewLC();

    60 

    61     /**

    62      * Destructor.

    63      */

    64     virtual ~CVeiCutAudioView();

    65 

    66 protected:

    67 

    68     /** 

    69      * From CAknView, HandleForegroundEventL( TBool aForeground )

    70      *

    71      * @param aForeground

    72      */

    73     virtual void HandleForegroundEventL( TBool aForeground );

    74 

    75 private:

    76     // From CAknView

    77 

    78     /**

    79      * From CAknView, DynInitMenuPaneL.

    80      *

    81      * @param aResourceId  resource id

    82      * @param aMenuPane  menu pane

    83      */

    84     void DynInitMenuPaneL( TInt aResourceId, CEikMenuPane* aMenuPane );

    85 

    86 public:

    87     /**

    88      * From CAknView, Id.

    89      *

    90      * @return view id.

    91      */

    92     TUid Id()const;

    93 

    94 

    95     CVeiCutAudioView();

    96 

    97     /**

    98      * Default constructor.

    99      */

   100     void ConstructL();

   101 

   102     /**

   103      * From CAknView, HandleCommandL(TInt aCommand);

   104      *

   105      * @param aCommand

   106      */

   107     void HandleCommandL( TInt aCommand );

   108 

   109     /**

   110      * Draws the time label navi.

   111      */

   112     void DrawTimeNaviL();

   113 

   114     /**

   115      * Clears the in and/or out points.

   116      *

   117      * @param aClearIn  whether to clear the in point

   118      * @param aClearOut  whether to clear the out point

   119      */

   120     void ClearInOutL( TBool aClearIn, TBool aClearOut );

   121 

   122     /**

   123      * Sets the movie and index

   124      *

   125      * @param aVideoClip	movie name

   126      * @param aIndex		index of the video clip in movie

   127      */

   128     void SetVideoClipAndIndex( CVedMovie& aVideoClip, TInt aIndex );

   129 

   130     /**

   131      * Sets the volume

   132      *

   133      * @param aVolume	Volume level.

   134      */

   135     void SetVolume( TInt aVolume );

   136 

   137     /**

   138      * Returns the cut out time.

   139      *

   140      * @return cut out time

   141      */

   142     TUint OutPointTime();

   143 

   144     /**

   145      * Returns the  cut in time.

   146      *

   147      * @return  cut in time

   148      */

   149     TUint InPointTime();

   150 

   151     /**

   152      * Changes the CBA (command button array) according to the edit

   153      * state.

   154      *

   155      * @param aState  current state

   156      */

   157     void UpdateCBAL( TInt aState );

   158 

   159     /**

   160      * Updates the time label navi. This method is called by the

   161      * static callback function.

   162      */

   163     void UpdateTimeL();

   164 

   165     /**

   166      * Starts the navi pane update, that is, the periodic timer.	

   167      */

   168     void StartNaviPaneUpdateL();

   169 

   170     /**

   171      * Stops the navi pane update.

   172      */

   173     void StopNaviPaneUpdateL();

   174 

   175     /**

   176      * Adjusts the volume up.

   177      */

   178     void VolumeUpL();

   179 

   180     /**

   181      * Adjusts the volume down.

   182      */

   183     void VolumeDownL();

   184 

   185     /**

   186      * Mutes the volume.

   187      */

   188     void VolumeMuteL();

   189 

   190     /**

   191      * Static callback function for hiding the volume indicator.

   192      *

   193      * @param aPtr  self pointer

   194      *

   195      * @return dummy value

   196      */

   197     static TInt HideVolumeCallbackL( TAny* aPtr );

   198 

   199     /**

   200      * Hides the volume indicator.

   201      */

   202     void HideVolume();

   203 

   204     /**

   205      * Gets visualization values.

   206      */

   207     void GetAudioVisualizationL();

   208 

   209     /**

   210      * Cancels visualization process.

   211      */

   212     void CancelVisualizationL();

   213 

   214     /** Possible mark states */

   215     enum TMarkState

   216     {

   217         EMarkStateIn,

   218         EMarkStateOut,

   219         EMarkStateInOut

   220     };

   221     

   222     /**

   223      *  

   224      */

   225     void HandleStatusPaneSizeChange();

   226 

   227     /** Callback function */

   228     static TInt AsyncOpenAudioFile( TAny* aThis );

   229 

   230     /** 

   231      * Handles a change to the control's resources.

   232      */

   233     void HandleResourceChange( TInt aType );

   234 

   235     /**

   236     * Moves the start or end mark when user drags them.

   237     * 

   238     * @param aPosition	position where the mark is moved to

   239     * @param aMarkType  EStartMark or EEndMark

   240     * @return -

   241     */               

   242     void MoveStartOrEndMarkL( TTimeIntervalMicroSeconds aPosition, CVeiCutAudioContainer::TCutMark aMarkType );

   243 		

   244 private:

   245     /**

   246      * Starts playing the clip. If the clip is paused, resumes 

   247      * playing.

   248      */

   249     void PlayPreviewL();

   250 

   251     /**

   252      * Pauses the playback.

   253      */

   254     void PausePreviewL();

   255 

   256     /**

   257      * Plays the marked section of the clip.

   258      */

   259     void PlayMarkedL();

   260 

   261     /**

   262      * Marks the in point to the current point.

   263      */

   264     void MarkInL();

   265 

   266     /**

   267      * Marks the out point to the current point.

   268      */

   269     void MarkOutL();

   270 

   271     /**

   272      * Creates the time label navi. 

   273      *

   274      * @return  time label navi 

   275      */

   276     CAknNavigationDecorator* CreateTimeLabelNaviL();

   277 

   278     /**

   279      * Static callback function for the periodical timer that updates

   280      * the time navi.

   281      *

   282      * @param aPtr  self pointer

   283      *

   284      * @return dummy value

   285      */

   286     static TInt UpdateTimeCallbackL( TAny* aPtr );

   287 

   288     /**

   289      * start processing the input file

   290      */

   291     void OpenAudioFileL();

   292 

   293 private:

   294 

   295     /**

   296      * From AknView, DoActivateL.

   297      * 

   298      * @param aPrevViewId  previous view id

   299      * @param aCustomMessageId  custom message id

   300      * @param aCustomMessage  custom message

   301      */

   302     void DoActivateL( const TVwsViewId& aPrevViewId, TUid aCustomMessageId,

   303                      const TDesC8& aCustomMessage );

   304 

   305     /**

   306      * From AknView, DoDeactivate

   307      */

   308     void DoDeactivate();

   309 

   310 private:

   311     // Data

   312     /* cut video container	*/

   313     CVeiCutAudioContainer* iContainer;

   314 

   315     /* index of the video clip in the movie	*/

   316     TUint iIndex;

   317 

   318     /* movie */

   319     CVedMovie* iMovie;

   320 

   321     /** Time updater. */

   322     CPeriodic* iTimeUpdater;

   323 

   324     /** Pointer to the navi pane. */

   325     CAknNavigationControlContainer* iNaviPane;

   326 

   327     /** Time navi. */

   328     CAknNavigationDecorator* iTimeNavi;

   329 

   330     /** Volume hiding timer. */

   331     CPeriodic* iVolumeHider;

   332 

   333     /** Volume navi decorator. */

   334     CAknNavigationDecorator* iVolumeNavi;

   335 

   336     /** Popup menu state flag */

   337     TBool iPopupMenuOpened;

   338 

   339     /** Audio muted flag */

   340     TBool iAudioMuted;

   341 

   342     /** play marked flag */

   343     TBool iPlayMarked;

   344 

   345     /** current mark state */

   346     TMarkState iMarkState;

   347 

   348     /** Error number */

   349     TInt iErrorNmb;

   350 

   351     TTimeIntervalMicroSeconds iOriginalCutInTime;

   352     /** Error UI */

   353     CVeiErrorUI* iErrorUI;

   354 

   355     /** Callback utility */

   356     CAsyncCallBack* iCallBack;

   357 };

   358 

   359 #endif 

   360 

   361 // End of File