uifw/EikStd/coctlsrc/smileymanager.cpp
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     1 /*
       
     2 * Copyright (c) 2008 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:  smiely engine class
       
    15 *
       
    16 */
       
    17 
       
    18 #include <coecntrl.h>
       
    19 #include <eikedwin.h>
       
    20 #include <frmtlay.h>
       
    21 
       
    22 #include "smileymodel.h"
       
    23 #include "smileyinforeader.h"
       
    24 #include "smileydrawer.h"
       
    25 #include "smileyimagedata.h"
       
    26 #include "smileymanager.h"
       
    27 #include "smileyiconrecord.h"
       
    28     
       
    29 // ======== MEMBER FUNCTIONS ========
       
    30 // ---------------------------------------------------------------------------
       
    31 // CSmileyManager::NewL
       
    32 // ---------------------------------------------------------------------------
       
    33 //
       
    34 CSmileyManager* CSmileyManager::NewL( CEikEdwin& aEdwin )
       
    35     {
       
    36     CSmileyManager* self = CSmileyManager::NewLC( aEdwin );
       
    37     CleanupStack::Pop( self );
       
    38     return self;
       
    39     }
       
    40     
       
    41 // ---------------------------------------------------------------------------
       
    42 // CSmileyManager::NewLC
       
    43 // ---------------------------------------------------------------------------
       
    44 //
       
    45 CSmileyManager* CSmileyManager::NewLC( CEikEdwin& aEdwin )
       
    46     {
       
    47     CSmileyManager* self( new( ELeave ) CSmileyManager );
       
    48     CleanupStack::PushL( self );
       
    49     self->ConstructL( aEdwin );
       
    50     return self;
       
    51     }
       
    52 
       
    53 // ---------------------------------------------------------------------------
       
    54 // destructor
       
    55 // ---------------------------------------------------------------------------
       
    56 //
       
    57 CSmileyManager::~CSmileyManager()
       
    58     {
       
    59     delete iDrawer;
       
    60     delete iReader;
       
    61     delete iModel;
       
    62     delete iIconRecord;
       
    63     }
       
    64     
       
    65 // ---------------------------------------------------------------------------
       
    66 // CSmileyManager::ConvertSmileyStrings
       
    67 // ---------------------------------------------------------------------------
       
    68 //
       
    69 TBool CSmileyManager::ConvertTextForSmileyL( TInt aStart, TDes& aText, 
       
    70     TBool aStringToCodes )
       
    71     {
       
    72     TBool ret( EFalse );
       
    73     if ( aStringToCodes )
       
    74         {    
       
    75         ret = ConvertTextToCodesL( aText, aStart );
       
    76         }
       
    77     else if ( iIconRecord->HasSmileyIcon() )
       
    78         {
       
    79         ret = ConvertCodesToTextL( aText, aStart );        
       
    80         } 
       
    81     return ret;
       
    82     }
       
    83 
       
    84 // ---------------------------------------------------------------------------
       
    85 // CSmileyManager::ConvertCodesToTextL
       
    86 // ---------------------------------------------------------------------------
       
    87 //
       
    88 TBool CSmileyManager::ConvertCodesToTextL( TDes& aText, TInt aStart )
       
    89     {
       
    90     TBool ret( EFalse );
       
    91     for ( TInt i( 0 ); i < aText.Length(); i++ )
       
    92         {
       
    93         if ( IsSmileyCode( aText[i] ) )
       
    94             {
       
    95             ret = ETrue;
       
    96             CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( i + aStart ) );
       
    97             if ( icon )
       
    98                 {
       
    99                 const TDesC& smileyText( icon->SmileyString() );
       
   100                 aText.Replace( i, smileyText.Length(), smileyText );
       
   101                 }
       
   102             }
       
   103         }
       
   104     return ret;
       
   105     }
       
   106 
       
   107 TBool CSmileyManager::ConvertTextToCodesL( TDes& aText, TInt aStart )
       
   108     {
       
   109     TBool ret( EFalse );
       
   110     TInt i( 0 );
       
   111     while ( i < aText.Length() )
       
   112         {
       
   113         TInt index( iModel->TryFindMatchNode( aText, i ) );
       
   114         if ( iModel->IsFinalNode( index ) )
       
   115             {
       
   116             TInt smileyLength( iModel->SmileyStringLength( index ) );
       
   117             TInt docPos( aStart + i );
       
   118             CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( docPos ) );
       
   119             if ( !icon || ( icon && !icon->IsDisabled() ) )
       
   120                 {
       
   121                 if ( !icon )
       
   122                     {
       
   123                     TText smileyCode( iModel->SmileyCode( index ) );
       
   124                     AddSmileyToRecordL( aText.Mid( i, smileyLength ), docPos, 
       
   125                         smileyCode );
       
   126                     }
       
   127                 iModel->ReplaceTextWithCodes( aText, i, index );
       
   128                 ret = ETrue;
       
   129                 }
       
   130             i += smileyLength;
       
   131             }
       
   132         else
       
   133             {
       
   134             i++;
       
   135             }
       
   136         }
       
   137     return ret;
       
   138     }
       
   139 
       
   140 void CSmileyManager::AddSmileyToRecordL( const TDesC& aSmileyText, TInt aDocPos, 
       
   141     TText aCode )
       
   142     {
       
   143     CSmileyIcon* icon( new( ELeave ) CSmileyIcon( aCode ) );
       
   144     icon->SetDocPos( aDocPos );
       
   145     icon->SetSmileyString( aSmileyText );
       
   146     iIconRecord->InsertIconL( icon );
       
   147     }
       
   148 
       
   149 // ---------------------------------------------------------------------------
       
   150 // CSmileyManager::SetHighlightColor
       
   151 // ---------------------------------------------------------------------------
       
   152 //
       
   153 void CSmileyManager::SetHighlightColor( TRgb aColor )
       
   154     {
       
   155     iDrawer->SetHighlightColor( aColor );
       
   156     }
       
   157 
       
   158 // ---------------------------------------------------------------------------
       
   159 // CSmileyManager::SetAnimationPlayTimes
       
   160 // ---------------------------------------------------------------------------
       
   161 //
       
   162 void CSmileyManager::SetAnimationPlayTimes( TInt aPlayTimes )
       
   163     {
       
   164     iDrawer->SetPlayTimes( aPlayTimes );
       
   165     }
       
   166 
       
   167 // ---------------------------------------------------------------------------
       
   168 // CSmileyManager::DrawIcon
       
   169 // ---------------------------------------------------------------------------
       
   170 //
       
   171 void CSmileyManager::DrawIconL( CBitmapContext& aGc, const TRect& aRect, 
       
   172     TInt aDocPos )
       
   173     {
       
   174     CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( aDocPos ) );
       
   175     if ( icon && !icon->IsDisabled() )
       
   176         {
       
   177         icon->SetRect( aRect );
       
   178         CSmileyImageData* image( icon->ImageData() );
       
   179         if ( image && aRect.Size() != image->BitmapSize() )
       
   180             {
       
   181             image->SetBitmapSize( aRect.Size() );
       
   182             if ( icon->IsPlayFinished() )
       
   183                 {
       
   184                 icon->PlayOneTime();
       
   185                 iDrawer->CreateImageL( image );
       
   186                 }
       
   187             }
       
   188         else if ( !image )
       
   189             {
       
   190             iDrawer->CreateImageByIconL( icon );
       
   191             }
       
   192         iDrawer->DrawImageByIconL( aGc, icon );
       
   193         }
       
   194     }
       
   195 
       
   196 // ---------------------------------------------------------------------------
       
   197 // CSmileyManager::IsSmileyCode
       
   198 // ---------------------------------------------------------------------------
       
   199 //
       
   200 TBool CSmileyManager::IsSmileyCode( TText aCode )
       
   201 	{
       
   202 	return ( aCode >= KSmileyCodeMin && aCode <= KSmileyCodeMax );
       
   203 	}
       
   204 
       
   205 // ---------------------------------------------------------------------------
       
   206 // CSmileyManager::HandleDeleteL
       
   207 // ---------------------------------------------------------------------------
       
   208 //
       
   209 void CSmileyManager::HandleDeleteL( TInt aStart, TInt aLength )
       
   210     { 
       
   211     iIconRecord->HandleTextDelete( aStart, aLength );
       
   212     }
       
   213 
       
   214 // ---------------------------------------------------------------------------
       
   215 // CSmileyManager::HandleInsertL
       
   216 // ---------------------------------------------------------------------------
       
   217 //
       
   218 void CSmileyManager::HandleInsertL( TInt aStart, TInt aLength )
       
   219     {
       
   220     if ( aLength > 0 )
       
   221         { 
       
   222         iIconRecord->HandleTextInsert( aStart, aLength );
       
   223         }
       
   224     }
       
   225 
       
   226 // ---------------------------------------------------------------------------
       
   227 // CSmileyManager::HandleSetCursorL
       
   228 // ---------------------------------------------------------------------------
       
   229 //
       
   230 void CSmileyManager::HandleSetCursor( TInt aOldCursor, TInt& aNewCursor )
       
   231     {
       
   232     CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( aNewCursor ) );
       
   233     if ( icon && !icon->IsDisabled() && aNewCursor != icon->DocPos() )
       
   234         {
       
   235         if ( aOldCursor <= aNewCursor )
       
   236             {
       
   237             aNewCursor = icon->EndPos();
       
   238             }
       
   239         else
       
   240             {
       
   241             aNewCursor = icon->DocPos();
       
   242             }
       
   243         }
       
   244     }
       
   245 
       
   246 // ---------------------------------------------------------------------------
       
   247 // CSmileyManager::HandleSelectionL
       
   248 // ---------------------------------------------------------------------------
       
   249 //
       
   250 void CSmileyManager::HandleSelection( TInt aStart, TInt aLength )
       
   251     {
       
   252     iIconRecord->CancelSelection();
       
   253     iIconRecord->SetSelection( aStart, aLength );
       
   254     iSelStart = aStart;
       
   255     iSelLength = aLength;
       
   256     }
       
   257 
       
   258 // ---------------------------------------------------------------------------
       
   259 // CSmileyManager::SmileyCodeByPos
       
   260 // ---------------------------------------------------------------------------
       
   261 //
       
   262 TText CSmileyManager::SmileyCodeByPos( TInt aDocPos )
       
   263     {
       
   264     CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( aDocPos ) );
       
   265     if ( icon )
       
   266         {
       
   267         return icon->Code();
       
   268         }
       
   269     return 0;
       
   270     }
       
   271 
       
   272 // ---------------------------------------------------------------------------
       
   273 // CSmileyManager::SetVisibleRange
       
   274 // ---------------------------------------------------------------------------
       
   275 //
       
   276 void CSmileyManager::SetVisibleRange( TInt aDocPos, TInt aLength )
       
   277     {
       
   278     iDrawer->SetVisibleRange( aDocPos, aLength );
       
   279     }
       
   280 
       
   281 // ---------------------------------------------------------------------------
       
   282 // CSmileyManager::TextBlockLength
       
   283 // ---------------------------------------------------------------------------
       
   284 //
       
   285 TInt CSmileyManager::SmileyLength( TInt aDocPos )
       
   286     {
       
   287     CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( aDocPos ) );
       
   288     if ( icon )
       
   289         {
       
   290         return icon->SmileyLength();
       
   291         }
       
   292     return 0;
       
   293     }
       
   294 
       
   295 // ---------------------------------------------------------------------------
       
   296 // CSmileyManager::TotalTextLength
       
   297 // ---------------------------------------------------------------------------
       
   298 //
       
   299 TBool CSmileyManager::HasSmileyIconsInText()
       
   300     {
       
   301     return iIconRecord->HasSmileyIcon();
       
   302     }
       
   303 
       
   304 // ---------------------------------------------------------------------------
       
   305 // CSmileyManager::RemoveIconsInRange
       
   306 // ---------------------------------------------------------------------------
       
   307 //
       
   308 void CSmileyManager::RemoveIconsInRange( TInt aStart, TInt aLength )
       
   309     {
       
   310     iIconRecord->HandleTextDelete( aStart, aLength );
       
   311     }
       
   312 
       
   313 // ---------------------------------------------------------------------------
       
   314 // CSmileyManager::DisableSmileyIcon
       
   315 // ---------------------------------------------------------------------------
       
   316 //
       
   317 void CSmileyManager::DisableSmileyIcon( TInt aDocPos )
       
   318     {
       
   319     CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( aDocPos ) );
       
   320     if ( icon )
       
   321         {
       
   322         icon->DisableIcon();
       
   323         }
       
   324     }
       
   325 
       
   326 // ---------------------------------------------------------------------------
       
   327 // CSmileyManager::IsDisabledSmileyIcon
       
   328 // ---------------------------------------------------------------------------
       
   329 //
       
   330 TBool CSmileyManager::IsDisabledSmileyIcon( TInt aDocPos )
       
   331     {
       
   332     CSmileyIcon* icon( iIconRecord->SmileyIconAtPos( aDocPos ) );
       
   333     if ( icon )
       
   334         {
       
   335         return icon->IsDisabled();
       
   336         }
       
   337     return EFalse;
       
   338     }
       
   339 
       
   340 // ================= Private member functions ======================
       
   341 // ---------------------------------------------------------------------------
       
   342 // CSmileyManager::CSmileyManager
       
   343 // c++ default constructor
       
   344 // ---------------------------------------------------------------------------
       
   345 //
       
   346 CSmileyManager::CSmileyManager()
       
   347     {
       
   348     }
       
   349 
       
   350 // ---------------------------------------------------------------------------
       
   351 // second phase constructor
       
   352 // ---------------------------------------------------------------------------
       
   353 //
       
   354 void CSmileyManager::ConstructL( CEikEdwin& aEdwin )
       
   355     {
       
   356     iIconRecord = new( ELeave ) CSmileyIconRecord;
       
   357     iModel = new( ELeave ) CSmileyModel;
       
   358     iReader = new( ELeave ) CSmileyInfoReader( *iModel );
       
   359     iDrawer = new( ELeave ) CSmileyDrawer( *iModel, aEdwin );
       
   360     iReader->LoadSmileysFromResourceL();    
       
   361     }
       
   362 
       
   363 
       
   364 
       
   365 
       
   366