mobilemessaging/mmsui/viewersrc/MmsViewerChangeSlideOperation.cpp
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     1 /*
       
     2 * Copyright (c) 2002-2006 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:  
       
    15 *       CMmsViewerChangeSlideOperation, Storage for single attachment in presentation. 
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 
       
    21 // ========== INCLUDE FILES ================================
       
    22 
       
    23 #include <txtrich.h>
       
    24 #include <eikrted.h>
       
    25 
       
    26 #include <MuiuMsvUiServiceUtilities.h>
       
    27 
       
    28 #include <MsgEditorView.h>
       
    29 
       
    30 #include <mmsclient.h>
       
    31 #include <mmsconst.h>
       
    32 #include "MmsMtmConst.h"            // File logger
       
    33 
       
    34 #include <MmsViewer.rsg>
       
    35 
       
    36 #include <unidatamodel.h>
       
    37 #include <unidatautils.h>
       
    38 #include <unismilmodel.h>
       
    39 #include <unitextobject.h>
       
    40 
       
    41 #include "MmsViewerHeader.h"
       
    42 #include "MmsViewerChangeSlideOperation.h"
       
    43 
       
    44 // ========== EXTERNAL DATA STRUCTURES =====================
       
    45 
       
    46 // ========== EXTERNAL FUNCTION PROTOTYPES =================
       
    47 
       
    48 // ========== CONSTANTS ====================================
       
    49 
       
    50 // ========== MACROS =======================================
       
    51 
       
    52 // ========== LOCAL CONSTANTS AND MACROS ===================
       
    53 
       
    54 // ========== MODULE DATA STRUCTURES =======================
       
    55 
       
    56 // ========== LOCAL FUNCTION PROTOTYPES ====================
       
    57 
       
    58 // ========== LOCAL FUNCTIONS ==============================
       
    59 
       
    60 // ========== MEMBER FUNCTIONS =============================
       
    61 
       
    62 // ---------------------------------------------------------
       
    63 // CMmsViewerChangeSlideOperation::CMmsViewerChangeSlideOperation
       
    64 //
       
    65 // Constructor.
       
    66 // ---------------------------------------------------------
       
    67 //
       
    68 CMmsViewerChangeSlideOperation::CMmsViewerChangeSlideOperation(
       
    69         MMmsViewerOperationObserver& aOperationObserver,
       
    70         CMmsViewerDocument& aDocument,
       
    71         CMmsViewerHeader& aHeader,
       
    72         CUniSlideLoader& aSlideLoader,
       
    73         CMsgEditorView& aView,
       
    74         RFs& aFs ) :
       
    75     CMmsViewerOperation( aOperationObserver, aDocument, aFs ),
       
    76     iHeader( aHeader ),
       
    77     iSlideLoader( aSlideLoader ),
       
    78     iView( aView )
       
    79     {
       
    80     }
       
    81 
       
    82 
       
    83 // ---------------------------------------------------------
       
    84 // CMmsViewerChangeSlideOperation::CMmsViewerChangeSlideOperation
       
    85 //
       
    86 // Destructor.
       
    87 // ---------------------------------------------------------
       
    88 //
       
    89 CMmsViewerChangeSlideOperation::~CMmsViewerChangeSlideOperation()
       
    90     {
       
    91     Cancel();
       
    92     }
       
    93 
       
    94 // ---------------------------------------------------------
       
    95 // CMmsViewerChangeSlideOperation::ChangeSlide
       
    96 //
       
    97 // ChangeSlideL
       
    98 // ---------------------------------------------------------
       
    99 //
       
   100 void CMmsViewerChangeSlideOperation::ChangeSlide(
       
   101         TInt aNextNum )
       
   102     {
       
   103     iNextNum = aNextNum;
       
   104     iNextState = EMmsViewerChangeSlideResetView;
       
   105     CompleteSelf( KErrNone );
       
   106     }
       
   107 
       
   108 // ---------------------------------------------------------
       
   109 // CMmsViewerChangeSlideOperation::ReLoadControlL
       
   110 // ---------------------------------------------------------
       
   111 //
       
   112 void CMmsViewerChangeSlideOperation::ReLoadControlL( CMsgMediaControl* aControl, CUniObject* aObject )
       
   113     {
       
   114     // this is not async operation
       
   115     iSlideLoader.ReLoadControlL( aControl, aObject );
       
   116     iNextState = EMmsViewerChangeSlideEnd;
       
   117     CompleteSelf( KErrNone );
       
   118     }
       
   119 
       
   120 
       
   121 // ---------------------------------------------------------
       
   122 // CMmsViewerChangeSlideOperation::DoChangeSlideStepL
       
   123 // ---------------------------------------------------------
       
   124 //
       
   125 void CMmsViewerChangeSlideOperation::DoChangeSlideStepL()
       
   126     {
       
   127     switch ( iNextState )
       
   128         {
       
   129         case EMmsViewerChangeSlideResetView:
       
   130             {
       
   131             // Have to do this first since we cannot
       
   132             // have to video clips open at the same time.
       
   133             LOGTEXT(_L8("CMmsViewerChangeSlideOperation::DoChangeSlideStepL DoResetViewL") );
       
   134             DoResetViewL();
       
   135             break;
       
   136             }
       
   137         case EMmsViewerChangeSlideLoad:
       
   138             {
       
   139             LOGTEXT(_L8("CMmsViewerChangeSlideOperation::DoChangeSlideStepL DoLoadL()") );
       
   140             DoLoadL();
       
   141             break;
       
   142             }
       
   143         case EMmsViewerChangeSlideFinalize:
       
   144             {
       
   145             LOGTEXT(_L8("CMmsViewerChangeSlideOperation::DoChangeSlideStepL DoLoadL()") );
       
   146             DoFinalizeL();
       
   147             break;
       
   148             }
       
   149         case EMmsViewerChangeSlideEnd:
       
   150             {
       
   151             LOGTEXT(_L8("CMmsViewerChangeSlideOperation::DoChangeSlideStepL EMmsViewerChangeSlideEnd") );
       
   152             iObserver.ViewerOperationEvent(
       
   153                 EMmsViewerOperationChangeSlide,
       
   154                 EMmsViewerOperationComplete,
       
   155                 KErrNone );
       
   156             break;
       
   157             }
       
   158         default:
       
   159             {
       
   160             // Shouldn't be here!
       
   161             iObserver.ViewerOperationEvent(
       
   162                 EMmsViewerOperationChangeSlide,
       
   163                 EMmsViewerOperationError,
       
   164                 KErrUnknown );
       
   165             break;
       
   166             }
       
   167         }
       
   168     }
       
   169 
       
   170 // ---------------------------------------------------------
       
   171 // CMmsViewerChangeSlideOperation::DoResetViewL
       
   172 // ---------------------------------------------------------
       
   173 void CMmsViewerChangeSlideOperation::DoResetViewL()
       
   174     {
       
   175     iSlideLoader.ResetViewL();
       
   176     iNextState = EMmsViewerChangeSlideLoad;
       
   177     CompleteSelf( KErrNone );
       
   178     }
       
   179 
       
   180 // ---------------------------------------------------------
       
   181 // CMmsViewerChangeSlideOperation::DoLoadL
       
   182 // ---------------------------------------------------------
       
   183 void CMmsViewerChangeSlideOperation::DoLoadL()
       
   184     {
       
   185     iNextState = EMmsViewerChangeSlideFinalize;
       
   186     iSlideLoader.LoadSlideL( *this, iNextNum );
       
   187     SetActiveNoCompleteSelf( );
       
   188     }
       
   189 
       
   190 // ---------------------------------------------------------
       
   191 // CMmsViewerChangeSlideOperation::DoFinalizeL
       
   192 // ---------------------------------------------------------
       
   193 void CMmsViewerChangeSlideOperation::DoFinalizeL()
       
   194     {
       
   195     CUniObject* obj = iDocument.SmilModel()->GetObject( iDocument.CurrentSlide(), EUniRegionText );
       
   196     if ( obj && 
       
   197          ( obj->MediaType() == EMsgMediaText ||
       
   198            obj->MediaType() == EMsgMediaXhtml ) )
       
   199         {
       
   200         static_cast<CUniTextObject*>( obj )->SetText( NULL );
       
   201         }
       
   202         
       
   203     iView.SetCurrentPart( iNextNum );
       
   204     iDocument.SetCurrentSlide( iNextNum );
       
   205 
       
   206     if ( iNextNum )
       
   207         {
       
   208         // without this change Japanese pictographs in subject field 
       
   209         // appear on slides 2,...
       
   210         iHeader.RemoveSubjectContentL();
       
   211         iHeader.RemoveFromViewL();
       
   212         }
       
   213     else
       
   214         {
       
   215         // restore mms subject, as it has been removed, if changing slide 2->1.
       
   216         iHeader.RestoreSubjectContentL();
       
   217         iHeader.AddToViewL();
       
   218         }
       
   219 
       
   220     iNextState = EMmsViewerChangeSlideEnd;
       
   221     CompleteSelf( KErrNone );
       
   222     }
       
   223 
       
   224 // ---------------------------------------------------------
       
   225 // CMmsViewerChangeSlideOperation::DoCancel
       
   226 //
       
   227 // ---------------------------------------------------------
       
   228 //
       
   229 void CMmsViewerChangeSlideOperation::DoCancel()
       
   230     {
       
   231     LOGTEXT(_L8("CMmsViewerChangeSlideOperation::DoCancel") );
       
   232     iSlideLoader.Cancel();
       
   233     iObserver.ViewerOperationEvent(
       
   234         EMmsViewerOperationChangeSlide,
       
   235         EMmsViewerOperationCancel,
       
   236         KErrNone );
       
   237     CompleteActiveSelf( KErrCancel );
       
   238     }
       
   239 
       
   240 // ---------------------------------------------------------
       
   241 // CMmsViewerChangeSlideOperation::RunL
       
   242 //
       
   243 // ---------------------------------------------------------
       
   244 //
       
   245 void CMmsViewerChangeSlideOperation::RunL()
       
   246     {
       
   247     if ( iStatus.Int() == KErrCancel )
       
   248         {
       
   249         iObserver.ViewerOperationEvent(
       
   250             EMmsViewerOperationChangeSlide,
       
   251             EMmsViewerOperationCancel,
       
   252             iStatus.Int() );
       
   253         return;
       
   254         }
       
   255 
       
   256     if ( iStatus.Int() != KErrNone )
       
   257         {
       
   258         LOGTEXT2(_L("CMmsViewerChangeSlideOperation::RunL iStatus=%d"), iStatus.Int() );
       
   259         iObserver.ViewerOperationEvent(
       
   260             EMmsViewerOperationChangeSlide,
       
   261             EMmsViewerOperationError,
       
   262             iStatus.Int() );
       
   263         }
       
   264     else
       
   265         {
       
   266         DoChangeSlideStepL();
       
   267         }
       
   268     }
       
   269 
       
   270 // ---------------------------------------------------------
       
   271 // CMmsViewerChangeSlideOperation::RunError
       
   272 //
       
   273 // ---------------------------------------------------------
       
   274 //
       
   275 TInt CMmsViewerChangeSlideOperation::RunError( TInt aError )
       
   276     {
       
   277     LOGTEXT2(_L("CMmsViewerChangeSlideOperation::RunError aError"), aError );
       
   278     if ( aError == KLeaveExit )
       
   279         {
       
   280         return KLeaveExit;
       
   281         }
       
   282     iObserver.ViewerOperationEvent(
       
   283         EMmsViewerOperationChangeSlide,
       
   284         EMmsViewerOperationError,
       
   285         aError );
       
   286     return KErrNone;
       
   287     }
       
   288 
       
   289 // ---------------------------------------------------------
       
   290 // UiSlideEvent
       
   291 // ---------------------------------------------------------
       
   292 void CMmsViewerChangeSlideOperation::SlideLoadReady( TInt aError )
       
   293     {
       
   294     LOGTEXT2(_L("CMmsViewerChangeSlideOperation::SlideLoadReady aError %d"), aError );
       
   295     CompleteActiveSelf( aError );
       
   296     }
       
   297 
       
   298 
       
   299 // EOF