wvuing/wvuiave/AppSrc/CCASmileyUtil.cpp
branchRCL_3
changeset 13 a941bc465d9f
parent 0 094583676ce7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/wvuiave/AppSrc/CCASmileyUtil.cpp	Wed Sep 01 12:31:13 2010 +0100
@@ -0,0 +1,602 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Utility for selecting smile icon and converting
+*                between smile id and smile string.
+*
+*/
+
+
+// INCLUDE FILES
+#include 	"CCASmileyUtil.h"
+#include 	"CCAPicture.h"
+#include    "ChatDefinitions.h"
+#include	"ChatDebugPrint.h"
+#include    "IMUtils.h"
+#include    "ccasmileyinformation.h"
+
+// The Settings have been moved to Cenrep (also retained in the Resource file),
+// so the enums for keys and central repository header is added here
+#include 	"VariantKeys.h"
+#include	<PUAcodes.hrh>
+
+#include	<gulicon.h>
+#include 	<txtrich.h>
+#include 	<gdi.h>
+#include    <eikrted.h>
+#include	<frmtlay.h>
+// ================= MEMBER FUNCTIONS =======================
+
+// -----------------------------------------------------------------------------
+// CCASmileyUtil::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CCASmileyUtil* CCASmileyUtil::NewL(  MCASkinVariant& aSkinVariant,
+                                     MCAAppUi& aAppUi, TMessageExtensionTypes aType )
+    {
+    CCASmileyUtil* self = new ( ELeave ) CCASmileyUtil( aType );
+    CleanupStack::PushL( self );
+    self->ConstructL( aSkinVariant, aAppUi );
+    CleanupStack::Pop();
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCASmileyUtil::~CCASmileyUtil
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CCASmileyUtil::~CCASmileyUtil()
+    {
+    iConvertArray.ResetAndDestroy();
+    delete iSmileUtil;
+    }
+
+// -----------------------------------------------------------------------------
+// CCASmileyUtil::CCASmileyUtil
+// C++ constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CCASmileyUtil::CCASmileyUtil( TMessageExtensionTypes aType )
+        : MCAMessageExtension( aType )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CCASmileyUtil::ConstructL
+// ConstructL
+// -----------------------------------------------------------------------------
+//
+void CCASmileyUtil::ConstructL( MCASkinVariant& aSkinVariant,
+                                MCAAppUi& aAppUi )
+    {
+    iSmileUtil = CCASmileIconUtility::NewL( aSkinVariant, aAppUi );
+    }
+
+// ---------------------------------------------------------
+// CCASmileyUtil::InsertExtensionL
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CCASmileyUtil::InsertExtensionL( CEikRichTextEditor& aEditor,
+                                      TBool& aCancelled )
+    {
+    TPictureHeader picHeader;
+    TInt bitmapId( KErrNone );
+    TInt retVal = iSmileUtil->LaunchSmileIconDialogL( bitmapId );
+    if ( retVal )
+        {
+        // check if there is room for icon, if not return
+        if ( ( aEditor.MaxLength() - aEditor.TextLength() ) < KChatSmileyLength )
+            {
+            return;
+            }
+
+        //we don't own this
+        CGulIcon* icon = const_cast<CGulIcon*>(
+                             iSmileUtil->GetSmileIcon( bitmapId ) );
+
+        //create CCAPicture from selected icon
+        CCAPicture* smileIcon = new ( ELeave ) CCAPicture(
+            *CCoeEnv::Static()->SystemGc().Device(),
+            icon,
+            bitmapId );
+
+        picHeader.iPicture = TSwizzle<CPicture>( smileIcon );
+        TInt cursorPos = aEditor.CursorPos();
+
+        // insert smiley to editor
+        aEditor.RichText()->InsertL( cursorPos, picHeader );
+
+        // icon is inserted, and it should be converted to text
+        // before sending, so it needs extra chars according to smiley string length
+        TInt textLimit = aEditor.MaxLength() -
+                         iSmileUtil->GetSmileString( bitmapId ).Length() + 1; // 1 to take icon
+        // length into count
+        aEditor.SetTextLimit( textLimit );
+
+        // apply formatting
+        TCharFormat charFormat;
+        TCharFormatMask charFormatMask;
+        charFormat.iFontPresentation.iPictureAlignment =
+            TFontPresentation::EAlignCentered;
+        charFormatMask.SetAttrib( EAttFontPictureAlignment );
+        aEditor.RichText()->ApplyCharFormatL( charFormat, charFormatMask, 0,
+                                              aEditor.TextLength() );
+
+        if ( &aEditor != iEditor )
+            {
+            iEditor = &aEditor;
+            iCurrentCount = 1;
+            }
+        else
+            {
+            ++iCurrentCount;
+            }
+
+        aCancelled = EFalse;
+        }
+    else
+        {
+        aCancelled = ETrue;
+        }
+    }
+
+// ---------------------------------------------------------
+// CCASmileyUtil::ExtensionToStringL
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CCASmileyUtil::ExtensionToStringL( CEikRichTextEditor& anEditor, TDes& aDes )
+    {
+    RArray<TInt> iconIndArray;
+    CleanupClosePushL( iconIndArray );
+
+    CPicture* editorPic;
+    TInt i;
+    TInt limit( 0 );
+
+    // for loop gets icon positions to array
+    TInt length = aDes.Length();
+    for ( i = 0; i < length; ++i )
+        {
+        if ( aDes[ i ] ==  CEditableText::EPictureCharacter )
+            {
+            User::LeaveIfError( iconIndArray.Append( i ) );
+            }
+        }
+
+    // real count of pictures
+    TInt count = anEditor.RichText()->PictureCount();
+    TInt indCount = iconIndArray.Count();
+
+    if ( &anEditor != iEditor )
+        {
+        Reset();
+        }
+
+    // whisper message
+    if ( indCount > iCurrentCount )
+        {
+        limit = indCount - iCurrentCount;
+        }
+
+    if ( indCount > 0 )
+        {
+        for ( i = count; i > limit; --i )
+            {
+            editorPic = anEditor.RichText()->PictureHandleL(
+                            iconIndArray[ i - 1 ], MLayDoc::EForceLoadTrue );
+            if ( !editorPic )
+                {
+                User::Leave( KErrBadHandle );
+                }
+
+            CCAPicture* icon = static_cast<CCAPicture*> ( editorPic );
+
+            TInt oldLen = aDes.Length();
+
+            TInt iconIndex = icon->Index();
+
+            if ( iconIndex >= 0 && iconIndex < iSmileUtil->SmileIconCount() )
+                {
+                //delete padding char
+                aDes.Delete( iconIndArray[ i - 1 ], 1 ); // 1 = one char
+                //insert string smiley
+                aDes.Insert( iconIndArray[ i - 1 ],
+                             iSmileUtil->GetSmileString( icon->Index() ) );
+                }
+
+            }
+        }
+    CleanupStack::PopAndDestroy(); // iconIndArray.Close()
+    }
+
+// -----------------------------------------------------------------------------
+// CCASmileyUtil::ConvertSelectionToExtensionL
+// Convert selection smileys to icons.
+// -----------------------------------------------------------------------------
+//
+void CCASmileyUtil::ConvertSelectionToExtensionL( CEikRichTextEditor& aEditor )
+    {
+    TInt selectAdd( 0 );
+
+    // for loop gets icon positions to array
+    TInt start = aEditor.Selection().LowerPos();
+    TInt end = aEditor.Selection().HigherPos();
+
+    // Clear convert array, it has something, but its not correct
+    iConvertArray.ResetAndDestroy();
+
+    HBufC* des = HBufC::NewLC( IMUtils::MaxMsgLength() );
+    TPtr desText( des->Des() );
+
+    aEditor.GetText( desText );
+    TInt txtLen = desText.Length();
+    if ( txtLen < end )
+        {
+        end = txtLen;
+        }
+    desText.Delete( end, txtLen - end );
+    desText.Delete( 0, start );
+
+    iSmileUtil->SearchSmilesL( desText, iConvertArray, NULL, start );
+
+#ifdef _DEBUG
+    TPtrC myDebug( aEditor.Text()->Read( 0 ) );
+    CHAT_DP( D_CHAT_LIT( "CCASmileyUtil::ConvertSelectionToExtensionL 3- %S" ), &myDebug );
+#endif
+
+    for ( TInt a( iConvertArray.Count() - 1 ); a >= 0; --a )
+        {
+        if ( iConvertArray[ a ]->Position() >= start && iConvertArray[ a ]->Position() < end ) // do we convert or not
+            {
+            TPictureHeader picHeader;
+            // Insert icon in place
+
+            //we don't own this
+            CGulIcon* icon = const_cast<CGulIcon*>(
+                                 iSmileUtil->GetSmileIcon( iConvertArray[ a ]->Index() ) );
+
+            //create CCAPicture from selected icon
+            CCAPicture* smileIcon = new ( ELeave ) CCAPicture(
+                *CCoeEnv::Static()->SystemGc().Device(),
+                icon,
+                iConvertArray[ a ]->Index() );
+
+            picHeader.iPicture = TSwizzle<CPicture>( smileIcon );
+            aEditor.Text()->DeleteL( iConvertArray[ a ]->Position(), iConvertArray[ a ]->SmileyString().Length() );
+
+#ifdef _DEBUG
+            myDebug.Set( aEditor.Text()->Read( 0 ) );
+            CHAT_DP( D_CHAT_LIT( "CCASmileyUtil::ConvertSelectionToExtensionL 3b %S %d" )
+                     , &myDebug, iConvertArray[ a ]->Position() );
+#endif
+
+            aEditor.RichText()->InsertL( iConvertArray[ a ]->Position(), picHeader );
+
+#ifdef _DEBUG
+            myDebug.Set( aEditor.Text()->Read( 0 ) );
+            CHAT_DP( D_CHAT_LIT( "CCASmileyUtil::ConvertSelectionToExtensionL 3c %S" ), &myDebug );
+#endif
+
+            selectAdd -= iConvertArray[ a ]->SmileyString().Length() - 1;
+
+            // icon is inserted, and it should be converted to text
+            // before sending, so it needs extra chars according to smiley string length
+            TInt textLimit =
+                aEditor.MaxLength() - iConvertArray[ a ]->SmileyString().Length();
+            TInt currentlength = aEditor.Text()->DocumentLength();
+            aEditor.SetTextLimit( Max( textLimit, currentlength ) );
+
+            if ( &aEditor != iEditor )
+                {
+                iEditor = &aEditor;
+                iCurrentCount = 1;
+                }
+            else
+                {
+                ++iCurrentCount;
+                }
+            }
+        }
+
+    // Apply formatting
+    TInt selectionLen = end + selectAdd - start;
+    TCharFormat charFormat;
+    TCharFormatMask charFormatMask;
+    charFormat.iFontPresentation.iPictureAlignment =
+        TFontPresentation::EAlignCentered;
+    charFormatMask.SetAttrib( EAttFontPictureAlignment );
+    aEditor.RichText()->ApplyCharFormatL( charFormat, charFormatMask,
+                                          start, selectionLen );
+
+    // Handle changes in editor
+    aEditor.TextView()->HandleGlobalChangeL();
+
+    // Set selection to correct after adding images
+    aEditor.SetSelectionL( start, end + selectAdd );
+
+    // Clear convert array
+    iConvertArray.ResetAndDestroy();
+
+    CleanupStack::PopAndDestroy( des );
+    }
+
+// -----------------------------------------------------------------------------
+// CCASmileyUtil::ConvertSelectionToExtensionL
+// Convert selection smileys to icons.
+// -----------------------------------------------------------------------------
+//
+void CCASmileyUtil::ConvertSelectionToExtensionL( CRichText& aRichText, TCursorSelection& aSelection )
+    {
+    TInt start( aSelection.LowerPos() );
+    TInt length( aSelection.Length() );
+
+    // Clear convert array and fetch the text
+    iConvertArray.ResetAndDestroy();
+    HBufC* text = HBufC::NewMaxLC( aRichText.DocumentLength() );
+    TPtr desText( text->Des() );
+    aRichText.Extract( desText, start, length );
+
+    iSmileUtil->SearchSmilesL( desText, iConvertArray );
+
+    for ( TInt a( iConvertArray.Count() - 1 ); a >= 0; --a )
+        {
+        TPictureHeader picHeader;
+        // Insert icon in place
+        //we don't own this
+        CGulIcon* icon = const_cast<CGulIcon*>(
+                             iSmileUtil->GetSmileIcon( iConvertArray[ a ]->Index() ) );
+
+        //create CCAPicture from selected icon
+        CCAPicture* smileIcon = new ( ELeave ) CCAPicture(
+            *CCoeEnv::Static()->SystemGc().Device(),
+            icon,
+            iConvertArray[ a ]->Index() );
+
+        picHeader.iPicture = TSwizzle<CPicture>( smileIcon );
+        aRichText.DeleteL( iConvertArray[ a ]->Position() + start,
+                           iConvertArray[ a ]->SmileyString().Length() );
+
+        aRichText.InsertL( iConvertArray[ a ]->Position() + start, picHeader );
+        }
+
+    // clean up
+    iConvertArray.ResetAndDestroy();
+    CleanupStack::PopAndDestroy( text );
+    }
+
+// -----------------------------------------------------------------------------
+// CCASmileyUtil::ConvertSelectionToStringL
+// Convert selection smileys to strings
+// -----------------------------------------------------------------------------
+//
+void CCASmileyUtil::ConvertSelectionToStringL( CEikRichTextEditor& aEditor, TBool aPreserve )
+    {
+    // Clear convert array
+    iConvertArray.ResetAndDestroy();
+
+    HBufC* text = HBufC::NewMaxLC( IMUtils::MaxMsgLength() );
+    TPtr textCopy( text->Des() );
+    aEditor.GetText( textCopy );
+
+    // for loop gets icon positions to array
+    TInt start = aEditor.Selection().LowerPos();
+    TInt end = aEditor.Selection().HigherPos();
+
+    TInt i;
+    for ( i = start; i < end; ++i )
+        {
+        if ( textCopy[ i ] ==  CEditableText::EPictureCharacter )
+            {
+            CCASmileyInformation* smileInfo = CCASmileyInformation::NewL();
+            CleanupStack::PushL( smileInfo );
+            smileInfo->SetPosition( i );
+            smileInfo->SetIcon( ETrue );
+            User::LeaveIfError( iConvertArray.Append( smileInfo ) );
+            CleanupStack::Pop( smileInfo );
+            }
+        }
+
+    TInt count = iConvertArray.Count();
+    for ( i = count - 1; i >= 0; --i )
+        {
+        CPicture* editorPic = aEditor.RichText()->PictureHandleL(
+                                  iConvertArray[ i ]->Position(), MLayDoc::EForceLoadTrue );
+
+        if ( !editorPic )
+            {
+            User::Leave( KErrBadHandle );
+            }
+
+        CCAPicture* icon = static_cast<CCAPicture*> ( editorPic );
+
+        const TDesC& iconString = iSmileUtil->GetSmileString( icon->Index() );
+        iConvertArray[ i ]->SetSmileyStringL( iconString );
+        iConvertArray[ i ]->SetIndex( icon->Index() );
+        }
+
+    textCopy.Delete( end, textCopy.Length() - end );
+    textCopy.Delete( 0, start );
+    iSmileUtil->SearchSmilesL( textCopy, iConvertArray, NULL, start );
+
+    // Change icons to strings
+    TPtrC myDebug( aEditor.Text()->Read( 0 ) );
+    CHAT_DP( D_CHAT_LIT( "CCASmileyUtil::ConvertSelectionToStringL %S" ), &myDebug );
+    TInt selectAdd( 0 );
+    count = iConvertArray.Count();
+    for ( i = count - 1; i >= 0; --i )
+        {
+        if ( iConvertArray[ i ]->IsIcon() ) // Icon
+            {
+            TCursorSelection deleteSel( iConvertArray[ i ]->Position(),
+                                        iConvertArray[ i ]->Position() + 1 );
+
+            aEditor.InsertDeleteCharsL( iConvertArray[ i ]->Position(),
+                                        iConvertArray[ i ]->SmileyString(),
+                                        deleteSel );
+            selectAdd += iConvertArray[ i ]->SmileyString().Length() - 1;
+            aEditor.SetMaxLength( aEditor.MaxLength() + selectAdd );
+            }
+        }
+    myDebug.Set( aEditor.Text()->Read( 0 ) );
+    CHAT_DP( D_CHAT_LIT( "CCASmileyUtil::ConvertSelectionToStringL %S" ), &myDebug );
+
+    aEditor.SetSelectionL( start, end + selectAdd );
+    aEditor.TextView()->HandleGlobalChangeL();
+
+    if ( !aPreserve )
+        {
+        iConvertArray.ResetAndDestroy();
+        }
+
+    CleanupStack::PopAndDestroy( text );
+    }
+
+// ---------------------------------------------------------
+// CCASmileyUtil::DeleteExtensionL
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CCASmileyUtil::DeleteExtensionL( CEikRichTextEditor& aEditor, TInt aPos )
+    {
+    // Set cursor position before deletion.
+    // Deletion may cause editor size to change and if
+    // cursor pos is not updated before that ETEXT 12 panic
+    // is raised.
+    aEditor.SetCursorPosL( aPos, EFalse );
+    aEditor.RichText()->DeleteL( aPos, 1 );
+    aEditor.HandleTextChangedL();
+    // Needed to keep alignment of
+    // cursor correct.
+    aEditor.SetCursorPosL( aPos, EFalse );
+
+    // update editors length, it grows by 2 when icon is deleted
+    TInt textLimit = aEditor.MaxLength() + 2;
+    aEditor.SetTextLimit( textLimit );
+
+    --iCurrentCount;
+    }
+
+// -----------------------------------------------------------------------------
+// CCASmileyUtil::Reset
+// Reset extension
+// -----------------------------------------------------------------------------
+//
+void CCASmileyUtil::Reset()
+    {
+    iCurrentCount = 0;
+    }
+
+// -----------------------------------------------------------------------------
+// CCASmileyUtil::SizeChanged
+// Reset extension
+// -----------------------------------------------------------------------------
+//
+void CCASmileyUtil::SizeChanged( TSize& aSize )
+    {
+    iSmileUtil->ResizeIcons( aSize );
+    }
+
+// -----------------------------------------------------------------------------
+// CCASmileyUtil::ConvertSelectionToStringL
+// Convert selection smileys to strings
+// -----------------------------------------------------------------------------
+//
+void CCASmileyUtil::ConvertSelectionToStringL(
+    CEikRichTextEditor& aEditor,
+    TDes& aResultString,
+    TCursorSelection& aSelectionAfterConversion,
+    TBool aPreserve )
+    {
+    // Clear convert array
+    iConvertArray.ResetAndDestroy();
+
+    // Get text from editor
+    HBufC* text = HBufC::NewMaxLC( IMUtils::MaxMsgLength() );
+    TPtr textCopy( text->Des() );
+    aEditor.GetText( textCopy );
+
+    // For loop gets icon positions to array
+    TInt start = aEditor.Selection().LowerPos();
+    TInt end = aEditor.Selection().HigherPos();
+
+    // Copy text to result string
+    aResultString.Append( textCopy );
+
+    TInt i = 0;
+    for ( i = start; i < end; ++i )
+        {
+        if ( textCopy[i] ==  CEditableText::EPictureCharacter )
+            {
+            CCASmileyInformation* smileInfo = CCASmileyInformation::NewL();
+            CleanupStack::PushL( smileInfo );
+            smileInfo->SetPosition( i );
+            smileInfo->SetIcon( ETrue );
+            User::LeaveIfError( iConvertArray.Append( smileInfo ) );
+            CleanupStack::Pop( smileInfo );
+            }
+        }
+
+    TInt count = iConvertArray.Count();
+    for ( i = count - 1; i >= 0; --i )
+        {
+        CPicture* editorPic = NULL;
+
+        editorPic = aEditor.RichText()->PictureHandleL(
+                        iConvertArray[i]->Position(), MLayDoc::EForceLoadTrue );
+
+        if ( !editorPic )
+            {
+            User::Leave( KErrBadHandle );
+            }
+
+        CCAPicture* icon = static_cast<CCAPicture*> ( editorPic );
+
+        const TDesC& iconString = iSmileUtil->GetSmileString( icon->Index() );
+        iConvertArray[i]->SetSmileyStringL( iconString );
+        iConvertArray[i]->SetIndex( icon->Index() );
+        }
+
+    textCopy.Delete( end, textCopy.Length() - end );
+    textCopy.Delete( 0, start );
+    iSmileUtil->SearchSmilesL( textCopy, iConvertArray, NULL, start );
+
+    // Change icons to strings
+    TInt selectAdd = 0;
+    count = iConvertArray.Count();
+    for ( i = count - 1; i >= 0; --i )
+        {
+        if ( iConvertArray[ i ]->IsIcon() ) // Icon
+            {
+            // Append smiley string to result
+            aResultString.Delete( iConvertArray[i]->Position(), 1 );
+            aResultString.Insert( iConvertArray[i]->Position(), iConvertArray[i]->SmileyString() );
+            selectAdd += iConvertArray[ i ]->SmileyString().Length() - 1;
+            }
+        }
+
+    if ( !aPreserve )
+        {
+        iConvertArray.ResetAndDestroy();
+        }
+
+    // Set correct selection
+    aSelectionAfterConversion.SetSelection( end + selectAdd, start );
+
+    CleanupStack::PopAndDestroy( text );
+    }
+// End of File