videditor/ManualVideoEditor/src/VeiAppUi.cpp
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     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 
       
    21 // INCLUDE FILES
       
    22 // System includes
       
    23 #include <avkon.hrh>
       
    24 #include <eikmenup.h>
       
    25 #include <eikenv.h>
       
    26 #include <hlplch.h>     // HlpLauncher
       
    27 #include <manualvideoeditor.rsg>
       
    28 #include <sendui.h>     // CSendAppUi 
       
    29 #include <stringloader.h>
       
    30 #include <bautils.h>
       
    31 #include <apparc.h>
       
    32 
       
    33 // User includes
       
    34 #include "manualvideoeditor.hrh"
       
    35 #include "VeiAppUi.h"
       
    36 #include "VeiEditVideoView.h"
       
    37 #include "VeiSettingsView.h"
       
    38 #include "VeiCutVideoView.h"
       
    39 #include "VeiCutAudioView.h"
       
    40 #include "VeiTrimForMmsView.h"
       
    41 #include "VeiTempMaker.h"
       
    42 #include "VideoEditorCommon.h"
       
    43 
       
    44 
       
    45 // ================= MEMBER FUNCTIONS =======================
       
    46 //
       
    47 // ----------------------------------------------------------
       
    48 // CVeiAppUi::ConstructL()
       
    49 // ?implementation_description
       
    50 // ----------------------------------------------------------
       
    51 //
       
    52 void CVeiAppUi::ConstructL()
       
    53     {
       
    54     LOG( KVideoEditorLogFile, "CVeiAppUi::ConstructL In" );
       
    55 
       
    56    	BaseConstructL( EAppOrientationAutomatic | EAknEnableSkin );
       
    57 
       
    58     CVeiTempMaker* maker = CVeiTempMaker::NewL();
       
    59     maker->EmptyTempFolder();
       
    60     delete maker;
       
    61 
       
    62     iSendAppUi = CSendUi::NewL();
       
    63     /*
       
    64      *	Cut video view and Cut audio view are references to edit video view and
       
    65      *	ownerships must be transfered(AddViewL(...)) to CAknViewAppUi(this) 
       
    66      *	AFTER references are taken to edit video view. Otherwise exit is not clean.
       
    67      */
       
    68 
       
    69     // Cut Video view
       
    70     iCutVideoView = new( ELeave )CVeiCutVideoView;
       
    71     iCutVideoView->ConstructL();
       
    72 
       
    73     // Cut Audio view
       
    74     iCutAudioView = CVeiCutAudioView::NewL();
       
    75 
       
    76     // Edit Video view
       
    77     iEditVideoView = CVeiEditVideoView::NewL( *iCutVideoView, * iCutAudioView, * iSendAppUi );
       
    78         
       
    79     AddViewL( iEditVideoView ); // transfer ownership to CAknViewAppUi
       
    80     LOG( KVideoEditorLogFile, "CVeiAppUi::ConstructL EditVideoView OK" );
       
    81 
       
    82     AddViewL( iCutAudioView );
       
    83     LOG( KVideoEditorLogFile, "CVeiAppUi::ConstructL CutAudioView OK" );
       
    84 
       
    85     AddViewL( iCutVideoView ); // transfer ownership to CAknViewAppUi
       
    86     LOG( KVideoEditorLogFile, "CVeiAppUi::ConstructL CutVideoView OK" );
       
    87 
       
    88     //Trim for MMS view
       
    89     iTrimForMmsView = CVeiTrimForMmsView::NewL( *iSendAppUi );
       
    90     AddViewL( iTrimForMmsView ); // Transfer ownership to CAknViewAppUi
       
    91     LOG( KVideoEditorLogFile, "CVeiAppUi::ConstructL TrimForMmsView OK" );
       
    92 
       
    93     //Settings view
       
    94     iSettingsView = CVeiSettingsView::NewL();
       
    95     AddViewL( iSettingsView ); // Transfer ownership to CAknViewAppUi
       
    96     LOG( KVideoEditorLogFile, "CVeiAppUi::ConstructL SettingsView OK" );
       
    97 
       
    98     iVolume =  - 1; // Volume not set
       
    99 
       
   100     iCoeEnv->RootWin().EnableScreenChangeEvents();
       
   101 
       
   102     SetDefaultViewL( *iEditVideoView );
       
   103 
       
   104     LOG( KVideoEditorLogFile, "CVeiAppUi::ConstructL Out" );
       
   105     }
       
   106 
       
   107 // ----------------------------------------------------
       
   108 // CVeiAppUi::~CVeiAppUi()
       
   109 // Destructor
       
   110 // Frees reserved resources
       
   111 // ----------------------------------------------------
       
   112 //
       
   113 CVeiAppUi::~CVeiAppUi()
       
   114     {
       
   115     LOG( KVideoEditorLogFile, "CVeiAppUi::~CVeiAppUi: In" );
       
   116    
       
   117     delete iSendAppUi;
       
   118 
       
   119     LOG( KVideoEditorLogFile, "CVeiAppUi::~CVeiAppUi: Out" );
       
   120     }
       
   121 
       
   122 //=============================================================================
       
   123 CVeiAppUi::CVeiAppUi()
       
   124     {
       
   125     }
       
   126 
       
   127 //=============================================================================
       
   128 void CVeiAppUi::InsertVideoClipToMovieL( TBool aDoOpen, const TDesC& aFilename )
       
   129     {
       
   130     LOGFMT( KVideoEditorLogFile, "CVeiAppUi::InsertVideoClipTomovieL (%S)", &aFilename );
       
   131            
       
   132 
       
   133     if ( iEditVideoView )
       
   134         {
       
   135         iEditVideoView->AddClipL( aFilename, aDoOpen );
       
   136         }
       
   137     }
       
   138 
       
   139 // ----------------------------------------------------
       
   140 // CVeiAppUi::HandleKeyEventL(
       
   141 //     const TKeyEvent& aKeyEvent,TEventCode /*aType*/)
       
   142 // ?implementation_description
       
   143 // ----------------------------------------------------
       
   144 //
       
   145 TKeyResponse CVeiAppUi::HandleKeyEventL( const TKeyEvent&  /*aKeyEvent*/,
       
   146                                          TEventCode /*aType*/ )
       
   147     {
       
   148     return EKeyWasNotConsumed;
       
   149     }
       
   150 
       
   151 
       
   152 // ----------------------------------------------------
       
   153 // CVeiAppUi::HandleCommandL(TInt aCommand)
       
   154 // ?implementation_description
       
   155 // ----------------------------------------------------
       
   156 //
       
   157 void CVeiAppUi::HandleCommandL( TInt aCommand )
       
   158     {
       
   159     LOGFMT( KVideoEditorLogFile, "CVeiAppUi::HandleCommandL( %d ): In", aCommand );
       
   160            
       
   161     switch ( aCommand )
       
   162         {
       
   163         //
       
   164         // Context Sensitive Help launching for:
       
   165         //  -'Settings' view
       
   166         //  -'Trim for MMS' view
       
   167         //  -'Edit video' view
       
   168         //  -'Cut video' view
       
   169         //  -'Cut audio' view
       
   170         //
       
   171         case EAknCmdHelp:
       
   172         case EVeiCmdSettingsViewHelp:
       
   173         case EVeiCmdTrimForMmsViewHelp:
       
   174         case EVeiCmdEditVideoViewHelp:
       
   175         case EVeiCmdCutVideoViewHelp:
       
   176                 {
       
   177                 // Get the current context
       
   178                 CArrayFix < TCoeHelpContext > * context = AppHelpContextL();
       
   179 
       
   180                 // Launch the help application with current context topic
       
   181                 HlpLauncher::LaunchHelpApplicationL( iEikonEnv->WsSession(),
       
   182                     context );
       
   183                 break;
       
   184                 }
       
   185         case EAknSoftkeyBack:
       
   186         case EEikCmdExit:
       
   187         case EAknSoftkeyExit:
       
   188         case EAknCmdExit:
       
   189                 {
       
   190                 iOnTheWayToDestruction = ETrue;
       
   191 
       
   192                 CVeiTempMaker* maker = CVeiTempMaker::NewL();
       
   193                 maker->EmptyTempFolder();
       
   194                 delete maker;
       
   195 
       
   196                 iEditVideoView->HandleCommandL( EAknSoftkeyOk );
       
   197                 Exit();
       
   198                 break;
       
   199                 }
       
   200         default:
       
   201             break;
       
   202         }
       
   203     LOG( KVideoEditorLogFile, "CVeiAppUi::HandleCommandL: Out" );
       
   204     }
       
   205 
       
   206 //=============================================================================
       
   207 void CVeiAppUi::ReadSettingsL( TVeiSettings& aSettings )const
       
   208     {
       
   209     LOG( KVideoEditorLogFile, "CVeiAppUi::ReadSettingsL: in" );
       
   210     CDictionaryStore* store = Application()->OpenIniFileLC( iCoeEnv->FsSession() );
       
   211         
       
   212 
       
   213     TBool storePresent = store->IsPresentL( KUidVideoEditor );  // UID has an associated stream?
       
   214 
       
   215     if ( storePresent )
       
   216         {
       
   217         RDictionaryReadStream readStream;
       
   218         readStream.OpenLC( *store, KUidVideoEditor );
       
   219 
       
   220         readStream >> aSettings; // Internalize data to TVeiSettings.
       
   221 
       
   222         CleanupStack::PopAndDestroy( &readStream );
       
   223         }
       
   224     else
       
   225         {
       
   226         /* Read the default filenames from resources */
       
   227         HBufC* videoName = iEikonEnv->AllocReadResourceLC( R_VEI_SETTINGS_VIEW_SETTINGS_ITEM_VALUE );
       
   228 
       
   229         const CFont* myFont = AknLayoutUtils::FontFromId( EAknLogicalFontSecondaryFont );
       
   230 
       
   231         aSettings.DefaultVideoName() = AknTextUtils::ChooseScalableText( videoName->Des(), * myFont, 400 );
       
   232         CleanupStack::PopAndDestroy( videoName );
       
   233 
       
   234         HBufC* snapshotName = iEikonEnv->AllocReadResourceLC( R_VEI_SETTINGS_VIEW_SETTINGS_ITEM2_VALUE );
       
   235             
       
   236         aSettings.DefaultSnapshotName() = AknTextUtils::ChooseScalableText( snapshotName->Des(), * myFont, 400 );
       
   237         CleanupStack::PopAndDestroy( snapshotName );
       
   238 
       
   239         /* Memory card is used as a default target */
       
   240         aSettings.MemoryInUse() = CAknMemorySelectionDialog::EMemoryCard;
       
   241 
       
   242         /* Set save quality to "Auto" by default. */
       
   243         aSettings.SaveQuality() = TVeiSettings::EAuto;
       
   244 
       
   245         RDictionaryWriteStream writeStream;
       
   246         writeStream.AssignLC( *store, KUidVideoEditor );
       
   247 
       
   248         writeStream << aSettings;
       
   249 
       
   250         writeStream.CommitL();
       
   251 
       
   252         store->CommitL();
       
   253 
       
   254         CleanupStack::PopAndDestroy( &writeStream ); 
       
   255         }
       
   256     CleanupStack::PopAndDestroy( store );
       
   257     LOG( KVideoEditorLogFile, "CVeiAppUi::ReadSettingsL: out" );
       
   258     }
       
   259 
       
   260 //=============================================================================
       
   261 void CVeiAppUi::WriteSettingsL( const TVeiSettings& aSettings )const
       
   262     {
       
   263     LOG( KVideoEditorLogFile, "CVeiAppUi::WriteSettingsL: in" );
       
   264     CDictionaryStore* store = Application()->OpenIniFileLC( iCoeEnv->FsSession() );
       
   265 
       
   266     RDictionaryWriteStream writeStream;
       
   267     writeStream.AssignLC( *store, KUidVideoEditor );
       
   268     writeStream << aSettings;
       
   269     writeStream.CommitL();
       
   270 
       
   271     store->CommitL();
       
   272 
       
   273     CleanupStack::PopAndDestroy( &writeStream );
       
   274     CleanupStack::PopAndDestroy( &store );    
       
   275     LOG( KVideoEditorLogFile, "CVeiAppUi::WriteSettingsL: out" );
       
   276     }
       
   277 
       
   278 //=============================================================================
       
   279 void CVeiAppUi::HandleScreenDeviceChangedL()
       
   280     {
       
   281     LOG( KVideoEditorLogFile, "CVeiAppUi::HandleScreenDeviceChangedL: In" );
       
   282     CAknViewAppUi::HandleScreenDeviceChangedL();
       
   283     if ( iEditVideoView )
       
   284         {
       
   285         iEditVideoView->HandleScreenDeviceChangedL();
       
   286         }
       
   287     LOG( KVideoEditorLogFile, "CVeiAppUi::HandleScreenDeviceChangedL: Out" );
       
   288     }
       
   289 
       
   290 //=============================================================================
       
   291 void CVeiAppUi::HandleResourceChangeL( TInt aType )
       
   292     {
       
   293     LOG( KVideoEditorLogFile, "CVeiAppUi::HandleResourceChangeL: In" );
       
   294     CAknAppUi::HandleResourceChangeL( aType );
       
   295     if ( iEditVideoView )
       
   296         {
       
   297         iEditVideoView->HandleResourceChange( aType );
       
   298         }
       
   299     if ( iCutVideoView )
       
   300         {
       
   301         iCutVideoView->HandleResourceChange( aType );
       
   302         }
       
   303     if ( iCutAudioView )
       
   304         {
       
   305         iCutAudioView->HandleResourceChange( aType );
       
   306         }
       
   307     if ( iTrimForMmsView )
       
   308         {
       
   309         iTrimForMmsView->HandleResourceChange( aType );
       
   310         }
       
   311     LOG( KVideoEditorLogFile, "CVeiAppUi::HandleResourceChangeL: Out" );
       
   312     }
       
   313 
       
   314 //=============================================================================
       
   315 void CVeiAppUi::HandleFileNotificationEventL()
       
   316     {
       
   317     LOG( KVideoEditorLogFile, "CVeiAppUi::HandleFileNotificationEventL: In" );
       
   318     if ( iEditVideoView )
       
   319         {
       
   320         if ( iEditVideoView->WaitMode() == CVeiEditVideoView ::EProcessingMovieSaveThenQuit )
       
   321             {
       
   322             HandleCommandL( EAknCmdExit );
       
   323             }
       
   324         }
       
   325     LOG( KVideoEditorLogFile, "CVeiAppUi::HandleFileNotificationEventL: Out" );
       
   326     }
       
   327 
       
   328 //=============================================================================
       
   329 void CVeiAppUi::HandleForegroundEventL( TBool aForeground )
       
   330     {
       
   331     LOGFMT( KVideoEditorLogFile, "CVeiAppUi::HandleForegroundEventL: In: %d", aForeground );
       
   332     CAknViewAppUi::HandleForegroundEventL( aForeground );
       
   333     if ( !aForeground )
       
   334         {
       
   335         // Set the priority to low. This is needed to handle the situations 
       
   336         // where the engine is performing heavy processing while the application 
       
   337         // is in background.
       
   338         RProcess myProcess;
       
   339         iOriginalProcessPriority = myProcess.Priority();
       
   340         LOGFMT3( KVideoEditorLogFile, 
       
   341                 "CVeiAppUi::HandleForegroundEventL: changing priority of process %Ld from %d to %d", myProcess.Id().Id(), iOriginalProcessPriority, EPriorityLow );
       
   342         myProcess.SetPriority( EPriorityLow );
       
   343         iProcessPriorityAltered = ETrue;
       
   344         }
       
   345     else if ( iProcessPriorityAltered )
       
   346         {
       
   347         // Return to normal priority.
       
   348         RProcess myProcess;
       
   349         TProcessPriority priority = myProcess.Priority();
       
   350         if ( priority < iOriginalProcessPriority )
       
   351             {
       
   352             myProcess.SetPriority( iOriginalProcessPriority );
       
   353             }
       
   354         iProcessPriorityAltered = EFalse;
       
   355         LOGFMT2( KVideoEditorLogFile, 
       
   356                 "CVeiAppUi::HandleForegroundEventL: process %Ld back to normal priority %d", myProcess.Id().Id(), priority );
       
   357         }
       
   358 
       
   359     LOG( KVideoEditorLogFile, "CVeiAppUi::HandleForegroundEventL: Out" );
       
   360     }
       
   361 
       
   362 //=============================================================================
       
   363 TErrorHandlerResponse CVeiAppUi::HandleError ( TInt aError,
       
   364                                                const SExtendedError & aExtErr,
       
   365                                                TDes & aErrorText,
       
   366                                                TDes & aContextText )
       
   367     {
       
   368     LOGFMT( KVideoEditorLogFile, "CVeiAppUi::HandleError: %d", aError );
       
   369 
       
   370     // Let the framework handle errors
       
   371 	return CAknViewAppUi::HandleError ( aError, aExtErr, aErrorText, aContextText );
       
   372     }
       
   373 
       
   374 // End of File