mpxplugins/viewplugins/views/audioeffectsview/src/mpxaudioeffectsviewimp.cpp
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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 Audio effects view
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include <bautils.h>
       
    22 #include <eikmenub.h>
       
    23 #include <AknUtils.h>
       
    24 #include <hlplch.h>
       
    25 #include <data_caging_path_literals.hrh>
       
    26 #include <avkon.rsg>
       
    27 #include <mpxuser.h>
       
    28 
       
    29 #include <mpxplaybackutility.h>
       
    30 #include <mpxaudioeffectsview.rsg>
       
    31 #include "mpxaudioeffectengine.h"
       
    32 
       
    33 #include "mpxaudioeffectsmodel.h"
       
    34 #include "mpxaudioeffectsviewcontainer.h"
       
    35 #include "mpxaudioeffectsviewimp.h"
       
    36 #include "mpxaudioeffects.hrh"
       
    37 
       
    38 
       
    39 // CONSTANTS
       
    40 _LIT( KMPXAudioEffectsRscPath, "mpxaudioeffectsview.rsc" );
       
    41 
       
    42 
       
    43 // ======== MEMBER FUNCTIONS ========
       
    44 
       
    45 // ---------------------------------------------------------------------------
       
    46 // C++ default constructor can NOT contain any code, that
       
    47 // might leave.
       
    48 // ---------------------------------------------------------------------------
       
    49 //
       
    50 CMPXAudioEffectsViewImp::CMPXAudioEffectsViewImp()
       
    51     {
       
    52     }
       
    53 
       
    54 // ---------------------------------------------------------------------------
       
    55 // Symbian 2nd phase constructor can leave.
       
    56 // ---------------------------------------------------------------------------
       
    57 //
       
    58 void CMPXAudioEffectsViewImp::ConstructL()
       
    59     {
       
    60     //get resource file
       
    61     TParse parse;
       
    62     parse.Set( KMPXAudioEffectsRscPath, &KDC_APP_RESOURCE_DIR, NULL );
       
    63     TFileName resourceFile( parse.FullName() );
       
    64     User::LeaveIfError( MPXUser::CompleteWithDllPath( resourceFile ) );
       
    65     BaflUtils::NearestLanguageFile(
       
    66         CCoeEnv::Static()->FsSession(), resourceFile );
       
    67     iResourceOffset = CCoeEnv::Static()->AddResourceFileL( resourceFile );
       
    68     BaseConstructL( R_AUDIOEFFECTS_SETTINGSLIST_VIEW );
       
    69 
       
    70     // Get the playback utility instance from engine
       
    71     iPlaybackUtility = MMPXPlaybackUtility::UtilityL( KPbModeDefault );
       
    72 
       
    73     iModel = CMPXAudioEffectsModel::NewL( *iPlaybackUtility );
       
    74     }
       
    75 
       
    76 // ---------------------------------------------------------------------------
       
    77 // Two-phased constructor.
       
    78 // ---------------------------------------------------------------------------
       
    79 //
       
    80 CMPXAudioEffectsViewImp* CMPXAudioEffectsViewImp::NewL()
       
    81     {
       
    82     CMPXAudioEffectsViewImp* self = CMPXAudioEffectsViewImp::NewLC();
       
    83     CleanupStack::Pop( self );
       
    84     return self;
       
    85     }
       
    86 
       
    87 // ---------------------------------------------------------------------------
       
    88 // Two-phased constructor.
       
    89 // ---------------------------------------------------------------------------
       
    90 //
       
    91 CMPXAudioEffectsViewImp* CMPXAudioEffectsViewImp::NewLC()
       
    92     {
       
    93     CMPXAudioEffectsViewImp* self = new ( ELeave ) CMPXAudioEffectsViewImp();
       
    94     CleanupStack::PushL( self );
       
    95     self->ConstructL();
       
    96     return self;
       
    97     }
       
    98 
       
    99 // ---------------------------------------------------------------------------
       
   100 // Destructor
       
   101 // ---------------------------------------------------------------------------
       
   102 //
       
   103 CMPXAudioEffectsViewImp::~CMPXAudioEffectsViewImp()
       
   104     {
       
   105     delete iModel;
       
   106 
       
   107     if ( iPlaybackUtility )
       
   108         {
       
   109         iPlaybackUtility->Close();
       
   110         }
       
   111 
       
   112     if ( iResourceOffset )
       
   113         {
       
   114         CCoeEnv::Static()->DeleteResourceFile( iResourceOffset );
       
   115         }
       
   116     }
       
   117 
       
   118 // -----------------------------------------------------------------------------
       
   119 // CMPXAudioEffectsViewImp::ChangeSelectedItemL
       
   120 // (other items were commented in a header).
       
   121 // -----------------------------------------------------------------------------
       
   122 //
       
   123 void CMPXAudioEffectsViewImp::ChangeSelectedItemL()
       
   124     {
       
   125     if( iContainer )
       
   126         {
       
   127         iContainer->ChangeSelectedItemL();
       
   128         }
       
   129     }
       
   130 
       
   131 // -----------------------------------------------------------------------------
       
   132 // CMPXAudioEffectsViewImp::Id
       
   133 // (other items were commented in a header).
       
   134 // -----------------------------------------------------------------------------
       
   135 //
       
   136 TUid CMPXAudioEffectsViewImp::Id() const
       
   137     {
       
   138     return TUid::Uid( KMPXAudioEffectsViewId );
       
   139     }
       
   140 
       
   141 // -----------------------------------------------------------------------------
       
   142 // CMPXAudioEffectsViewImp::HandleCommandL
       
   143 // (other items were commented in a header).
       
   144 // -----------------------------------------------------------------------------
       
   145 //
       
   146 void CMPXAudioEffectsViewImp::HandleCommandL( TInt aCommand )
       
   147     {
       
   148     switch ( aCommand )
       
   149         {
       
   150         case ESettingsListCmdChange:
       
   151             {
       
   152             ChangeSelectedItemL();
       
   153             break;
       
   154             }
       
   155         case EAknCmdHelp:
       
   156         case ESettingsListCmdHelp:
       
   157             {
       
   158             HlpLauncher::LaunchHelpApplicationL(iEikonEnv->WsSession(),
       
   159             AppUi()->AppHelpContextL());
       
   160             break;
       
   161             }
       
   162         default:
       
   163             {
       
   164             // Pass the command to AppUi to handle.
       
   165             AppUi()->HandleCommandL( aCommand );
       
   166             break;
       
   167             }
       
   168          }
       
   169     }
       
   170 
       
   171 // -----------------------------------------------------------------------------
       
   172 // CMPXAudioEffectsViewImp::DoActivateL
       
   173 // (other items were commented in a header).
       
   174 // -----------------------------------------------------------------------------
       
   175 //
       
   176 void CMPXAudioEffectsViewImp::DoActivateL(
       
   177     const TVwsViewId& aPrevViewId,
       
   178     TUid /*aCustomMessageId*/,
       
   179     const TDesC8& /*aCustomMessage*/ )
       
   180     {
       
   181     StatusPane()->SwitchLayoutL( R_AVKON_STATUS_PANE_LAYOUT_USUAL );
       
   182     iPreviousView = aPrevViewId;
       
   183 
       
   184     if (!iContainer)
       
   185         {
       
   186         iContainer = new ( ELeave ) CMPXAudioEffectsViewContainer();
       
   187         iContainer->SetMopParent( this );
       
   188         iContainer->ConstructL( ClientRect(), iModel );
       
   189         AppUi()->AddToStackL( *this, iContainer );
       
   190         }
       
   191     }
       
   192 
       
   193 // -----------------------------------------------------------------------------
       
   194 // CMPXAudioEffectsViewImp::DoDeactivate
       
   195 // (other items were commented in a header).
       
   196 // -----------------------------------------------------------------------------
       
   197 //
       
   198 void CMPXAudioEffectsViewImp::DoDeactivate()
       
   199     {
       
   200     if ( iContainer )
       
   201         {
       
   202         AppUi()->RemoveFromStack( iContainer );
       
   203         delete iContainer;
       
   204         iContainer = NULL;
       
   205         }
       
   206     }
       
   207 
       
   208 // ---------------------------------------------------------------------------
       
   209 // From CAknView
       
   210 // Processes user commands.
       
   211 // ---------------------------------------------------------------------------
       
   212 //
       
   213 void CMPXAudioEffectsViewImp::ProcessCommandL( TInt aCommand )
       
   214     {
       
   215     MPX_DEBUG2("ProcessCommandL::ProcessCommandL(%d): entering", aCommand);
       
   216     if ( aCommand == EAknCmdExit )
       
   217         {
       
   218         HandleCommandL( aCommand );
       
   219         }
       
   220     CAknView::ProcessCommandL( aCommand );
       
   221     MPX_DEBUG1("ProcessCommandL::ProcessCommandL(): exiting");
       
   222     }
       
   223 
       
   224 // End of File