--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/uicomponents/src/fstreenodevisualizerbase.cpp Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,1049 @@
+/*
+* Copyright (c) 2007 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: Base class of node visualizer.
+*
+*/
+
+
+#include "emailtrace.h"
+#include <AknsUtils.h>
+#include <AknsSkinInstance.h>
+#include <biditext.h>
+
+#include "fstreenodevisualizerbase.h"
+#include "fstreelist.h"
+#include "fslayoutmanager.h"
+#include "fsalftextstylemanager.h"
+
+// <cmail> SF
+#include <alf/alfgradientbrush.h>
+#include <alf/alfimagebrush.h>
+#include <alf/alfanchorlayout.h>
+#include <alf/alfcontrol.h>
+#include <alf/alftexture.h>
+#include <alf/alfimage.h>
+#include <alf/alfenv.h>
+#include <alf/alftextstyle.h>
+#include <alf/alftextvisual.h>
+#include <alf/alfmappingfunctions.h>
+// </cmail>
+
+// ---------------------------------------------------------------------------
+// C++ destructor.
+// ---------------------------------------------------------------------------
+//
+CFsTreeNodeVisualizerBase::~CFsTreeNodeVisualizerBase()
+ {
+ FUNC_LOG;
+ if (iLayout)
+ {
+ iLayout->Env().CancelCustomCommands(this);
+ iLayout->RemoveAndDestroyAllD();
+ }
+ }
+
+
+// ---------------------------------------------------------------------------
+// Returns visualizer's type.
+// ---------------------------------------------------------------------------
+//
+TFsTreeItemVisualizerType CFsTreeNodeVisualizerBase::Type() const
+ {
+ FUNC_LOG;
+ return EFsTreeItemVisualizerBase;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Sets the alignment for text item.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetTextAlign(
+ const TAlfAlignHorizontal aAlign )
+ {
+ FUNC_LOG;
+ iTextAlign = aAlign;
+ }
+
+
+// ---------------------------------------------------------------------------
+// The function sets item's text color for the focused state.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetFocusedStateTextColor( TRgb& aColor )
+ {
+ FUNC_LOG;
+ iIsCustomTextFocusedColor = ETrue;
+ iFocusedTextColor = aColor;
+ }
+
+
+// ---------------------------------------------------------------------------
+// The function returns item's text color for the focused state.
+// ---------------------------------------------------------------------------
+//
+TRgb CFsTreeNodeVisualizerBase::FocusedStateTextColor() const
+ {
+ FUNC_LOG;
+ return iFocusedTextColor;
+ }
+
+// ---------------------------------------------------------------------------
+// The function sets item's text color for the normal (unfocused) state.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetNormalStateTextColor( TRgb& aColor )
+ {
+ FUNC_LOG;
+ iIsCustomTextNormalColor = ETrue;
+ iNormalTextColor = aColor;
+ }
+
+
+// ---------------------------------------------------------------------------
+// The function returns item's text color for the normal (unfocused) state.
+// ---------------------------------------------------------------------------
+//
+TRgb CFsTreeNodeVisualizerBase::NormalStateTextColor() const
+ {
+ FUNC_LOG;
+
+ return iNormalTextColor;
+ }
+
+
+// ---------------------------------------------------------------------------
+// The function sets the style of item's text.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetTextStyleId ( const TInt aTextStyleId )
+ {
+ FUNC_LOG;
+ iIsCustomTextStyle = ETrue;
+ iTextStyleId = aTextStyleId;
+ }
+
+
+// ---------------------------------------------------------------------------
+// The function returns the style of item's text.
+// ---------------------------------------------------------------------------
+//
+TInt CFsTreeNodeVisualizerBase::TextStyleId () const
+ {
+ FUNC_LOG;
+ TInt styleId(0);
+ if ( iIsCustomTextStyle )
+ {
+ styleId = iTextStyleId;
+ }
+ else
+ {
+ TRAP_IGNORE( styleId = ModifiedStyleIdL() );
+ }
+ return styleId;
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Sets multiple flags for an item at one time.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetFlags( TUint32 aFlags )
+ {
+ FUNC_LOG;
+ iFlags = aFlags;
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Returns flags of the item visualizer.
+// ---------------------------------------------------------------------------
+//
+TUint32 CFsTreeNodeVisualizerBase::Flags()
+ {
+ FUNC_LOG;
+ return iFlags;
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Sets visualized item's state to marked/unmarked.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetMarked( TBool aFlag )
+ {
+ FUNC_LOG;
+ if ( aFlag )
+ {
+ iFlags |= KFsTreeListItemMarked;
+ }
+ else
+ {
+ iFlags &= ~KFsTreeListItemMarked;
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Returns mark/unmark state of the item's visualization.
+// ---------------------------------------------------------------------------
+//
+TBool CFsTreeNodeVisualizerBase::IsMarked() const
+ {
+ FUNC_LOG;
+ return iFlags & KFsTreeListItemMarked ? ETrue : EFalse;
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Sets visualized item's state to dimmed/not dimmed.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetDimmed( TBool aFlag )
+ {
+ FUNC_LOG;
+ if ( aFlag )
+ {
+ iFlags |= KFsTreeListItemDimmed;
+ }
+ else
+ {
+ iFlags &= ~KFsTreeListItemDimmed;
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Returns dimmed/not dimmed state of the item's visualization.
+// ---------------------------------------------------------------------------
+//
+TBool CFsTreeNodeVisualizerBase::IsDimmed() const
+ {
+ FUNC_LOG;
+ return iFlags & KFsTreeListItemDimmed ? ETrue : EFalse;
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Sets the size of the item visualization when item is not in expanded state.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetSize( const TSize aSize )
+ {
+ FUNC_LOG;
+ iSize = aSize;
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Returns the size of an item in a normal (not expanded) state.
+// ---------------------------------------------------------------------------
+//
+TSize CFsTreeNodeVisualizerBase::Size() const
+ {
+ FUNC_LOG;
+ if ( iFlags & KFsTreeListItemManagedLayout )
+ {
+ CFsLayoutManager::TFsLayoutMetrics normalSizeMetrics (CFsLayoutManager::EFsLmListSingleDycRowPane);
+ TRect parentLayoutRect(0,0,0,0);
+ TSize size(0,0);
+ TBool retVal(EFalse);
+
+ retVal = CFsLayoutManager::LayoutMetricsSize(
+ parentLayoutRect,
+ normalSizeMetrics,
+ size );
+
+ if ( !retVal )
+ {
+ size = iSize;
+ }
+
+ return size;
+ }
+ else
+ {
+ return iSize;
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Sets the item's visualization state to expanded.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetExtended( const TBool aFlag )
+ {
+ FUNC_LOG;
+ if ( aFlag )
+ {
+ iFlags |= KFsTreeListItemExtended;
+ }
+ else
+ {
+ iFlags &= ~KFsTreeListItemExtended;
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Returns expanded/not expanded state of the item visualization.
+// ---------------------------------------------------------------------------
+//
+TBool CFsTreeNodeVisualizerBase::IsExtended() const
+ {
+ FUNC_LOG;
+ return iFlags & KFsTreeListItemExtended ? ETrue : EFalse;
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Sets if an item can be in expanded state or not.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetExtendable( TBool aFlag )
+ {
+ FUNC_LOG;
+ if ( aFlag )
+ {
+ iFlags |= KFsTreeListItemExtendable;
+ }
+ else
+ {
+ iFlags &= ~KFsTreeListItemExtendable;
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Returns an information if item can be in expanded state.
+// ---------------------------------------------------------------------------
+//
+TBool CFsTreeNodeVisualizerBase::IsExtendable( )
+ {
+ FUNC_LOG;
+ return iFlags & KFsTreeListItemExtendable ? ETrue : EFalse;
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Returns an information if item can be focusable.
+// ---------------------------------------------------------------------------
+//
+TBool CFsTreeNodeVisualizerBase::IsFocusable( ) const
+ {
+ FUNC_LOG;
+ return iFlags & KFsTreeListItemFocusable ? ETrue : EFalse;
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Sets the item's ability to receive focus.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetFocusable( const TBool aFlag )
+ {
+ FUNC_LOG;
+ if ( aFlag )
+ {
+ iFlags |= KFsTreeListItemFocusable;
+ }
+ else
+ {
+ iFlags &= ~KFsTreeListItemFocusable;
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Sets the size of the item visualization area when item is in expanded
+// state.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetExtendedSize(
+ const TSize aExtendedSize )
+ {
+ FUNC_LOG;
+ iExtendedSize = aExtendedSize;
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Returns the size of an item in expanded state.
+// ---------------------------------------------------------------------------
+//
+TSize CFsTreeNodeVisualizerBase::ExtendedSize() const
+ {
+ FUNC_LOG;
+ if ( iFlags & KFsTreeListItemManagedLayout )
+ {
+ CFsLayoutManager::TFsLayoutMetrics extendedSizeMetrics( CFsLayoutManager::EFsLmListMediumLineX2 );
+ TRect parentLayoutRect(0,0,0,0);
+ TSize extSize(0,0);
+ TBool retVal(EFalse);
+
+ retVal = CFsLayoutManager::LayoutMetricsSize(
+ parentLayoutRect,
+ extendedSizeMetrics,
+ extSize );
+
+ if ( !retVal )
+ {
+ extSize = iExtendedSize;
+ }
+
+ return extSize;
+ }
+ else
+ {
+ return iExtendedSize;
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Sets visualized item's state to hidden/visible.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetHidden( TBool aFlag )
+ {
+ FUNC_LOG;
+ if ( aFlag )
+ {
+ iFlags |= KFsTreeListItemHidden;
+ }
+ else
+ {
+ iFlags &= ~KFsTreeListItemHidden;
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Returns an information if the item is hidden or not.
+// ---------------------------------------------------------------------------
+//
+TBool CFsTreeNodeVisualizerBase::IsHidden()
+ {
+ FUNC_LOG;
+ return iFlags & KFsTreeListItemHidden ? ETrue : EFalse;
+ }
+
+// ---------------------------------------------------------------------------
+// From MFsTreeItemVisualizer.
+// Enables or disables text shadow.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::EnableTextShadow(
+ const TBool aShadowOn )
+ {
+ FUNC_LOG;
+ if (aShadowOn)
+ {
+ iFlags |= KFsTreeListItemTextShadow;
+ }
+ else
+ {
+ iFlags &= ~KFsTreeListItemTextShadow;
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Sets text indentation.
+// ---------------------------------------------------------------------------
+void CFsTreeNodeVisualizerBase::SetIndentation(
+ const TInt aIndentation )
+ {
+ FUNC_LOG;
+ iTextIndentation = aIndentation;
+ }
+
+
+// ---------------------------------------------------------------------------
+// From MFsTreeItemVisualizer.
+// Sets item background color.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetBackgroundColor(const TRgb aColor)
+ {
+ FUNC_LOG;
+ iBackgroundColor = aColor;
+ iBackgroundState = EFsNodeBackgroundColor;
+ }
+
+// ---------------------------------------------------------------------------
+// From MFsTreeItemVisualizer.
+// Returns background color if it's set.
+// ---------------------------------------------------------------------------
+//
+TBool CFsTreeNodeVisualizerBase::GetBackgroundColor( TRgb& aColor )
+ {
+ FUNC_LOG;
+ TBool retVal(EFalse);
+
+ if ( iBackgroundState == EFsNodeBackgroundColor )
+ {
+ aColor = iBackgroundColor;
+ retVal = ETrue;
+ }
+ return retVal;
+ }
+
+// ---------------------------------------------------------------------------
+// From MFsTreeItemVisualizer.
+// Sets item background texture.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetBackgroundTexture(
+ const CAlfTexture& aTexture)
+ {
+ FUNC_LOG;
+ iBackgroundTexture = &aTexture;
+ iBackgroundState = EFsNodeBackgroundTexture;
+ }
+
+// ---------------------------------------------------------------------------
+// From MFsTreeItemVisualizer.
+// Returns background texture if it's set.
+// ---------------------------------------------------------------------------
+//
+TBool CFsTreeNodeVisualizerBase::GetBackgroundTexture( const CAlfTexture*& aTexture )
+ {
+ FUNC_LOG;
+ TBool retVal(EFalse);
+ if ( iBackgroundState == EFsNodeBackgroundTexture )
+ {
+ aTexture = iBackgroundTexture;
+ retVal = ETrue;
+ }
+ return retVal;
+ }
+
+// <cmail>
+// ---------------------------------------------------------------------------
+// From MFsTreeItemVisualizer.
+// Sets item background brush.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetBackgroundBrush( CAlfBrush* aBrush )
+ {
+ FUNC_LOG;
+ iBackgroundBrush = aBrush;
+ iBackgroundState = EFsNodeBackgroundBrush;
+ }
+
+// ---------------------------------------------------------------------------
+// From MFsTreeItemVisualizer.
+// Returns item background brush and opacity.
+// ---------------------------------------------------------------------------
+//
+TBool CFsTreeNodeVisualizerBase::GetBackgroundBrush( CAlfBrush*& aBrush )
+ {
+ FUNC_LOG;
+ TBool retVal( EFalse );
+ if ( iBackgroundState == EFsNodeBackgroundBrush && iBackgroundBrush )
+ {
+ aBrush = iBackgroundBrush;
+ retVal = ETrue;
+ }
+
+ return retVal;
+ }
+// </cmail>
+
+// ---------------------------------------------------------------------------
+// From MFsTreeItemVisualizer.
+// Clears item background.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::ClearBackground( )
+ {
+ FUNC_LOG;
+ iBackgroundState = EFsNodeBackgroundNone;
+ }
+
+// ---------------------------------------------------------------------------
+// Returns reference to the item's main layout
+// ---------------------------------------------------------------------------
+//
+CAlfLayout& CFsTreeNodeVisualizerBase::Layout() const
+ {
+ FUNC_LOG;
+ return (static_cast<CAlfLayout&>(*iLayout));
+ }
+
+// ---------------------------------------------------------------------------
+// Sets menu for item
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetMenu( CFsTreeList* aMenu )
+ {
+ FUNC_LOG;
+ iMenu = aMenu;
+ iFlags |= KFsTreeListItemHasMenu;
+ }
+
+// ---------------------------------------------------------------------------
+// Returns CFsTreeList object contaning menu items
+// ---------------------------------------------------------------------------
+//
+CFsTreeList* CFsTreeNodeVisualizerBase::Menu() const
+ {
+ FUNC_LOG;
+ return iMenu;
+ }
+
+// ---------------------------------------------------------------------------
+// This functions sets wether an item should always be in extended state.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetAlwaysExtended( TBool aAlwaysExtended )
+ {
+ FUNC_LOG;
+ if ( aAlwaysExtended )
+ {
+ iFlags |= KFsTreeListItemAlwaysExtended;
+ }
+ else
+ {
+ iFlags &= ~KFsTreeListItemAlwaysExtended;
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// This function returns wether an item is always in extended state.
+// ---------------------------------------------------------------------------
+//
+TBool CFsTreeNodeVisualizerBase::IsAlwaysExtended( ) const
+ {
+ FUNC_LOG;
+ return iFlags & KFsTreeListItemAlwaysExtended ? ETrue : EFalse;
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// A call to this function means that the visualization of empty root
+// becomes visible and should draw itself within specified parent layout.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::ShowL( CAlfLayout& /*aParentLayout*/,
+ const TUint /*aTimeout*/ )
+ {
+ FUNC_LOG;
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Stub.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::UpdateL( const MFsTreeItemData& /*aData*/,
+ TBool /*aFocused*/,
+ const TUint /*aLevel*/,
+ CAlfTexture*& /*aMarkIcon*/,
+ CAlfTexture*& /*aMenuIcon*/,
+ const TUint /*aTimeout*/,
+ TBool /*aUpdateData*/)
+ {
+ FUNC_LOG;
+ }
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Stub.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::Hide( const TInt /*aTimeout*/ )
+ {
+ FUNC_LOG;
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeItemVisualizer.
+// Stub.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::MarqueeL(const TFsTextMarqueeType /*aMarqueeType*/,
+ const TUint /*aMarqueeSpeed*/,
+ const TInt /*aMarqueeStartDelay*/,
+ const TInt /*aMarqueeCycleStartDelay*/,
+ const TInt /*aMarqueeRepetitions*/)
+ {
+ FUNC_LOG;
+ }
+
+
+// ---------------------------------------------------------------------------
+// From MAlfEventHandler. Stub.
+// ---------------------------------------------------------------------------
+//
+TBool CFsTreeNodeVisualizerBase::OfferEventL(const TAlfEvent& /*aEvent*/)
+ {
+ FUNC_LOG;
+ return EFalse;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Sets the text style manager for the item visualizer.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetTextStyleManager(
+ CFsAlfTextStyleManager& aManager )
+ {
+ FUNC_LOG;
+ iTextStyleManager = &aManager;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Sets the text stroke weight for the item visualizer.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetTextBold( const TBool aIsBold )
+ {
+ FUNC_LOG;
+ if (aIsBold)
+ {
+ iFlags |= KFsTreeListItemTextBold;
+ }
+ else
+ {
+ iFlags &= ~KFsTreeListItemTextBold;
+ }
+ }
+
+
+// ---------------------------------------------------------------------------
+// Gets the text stroke weight for the item visualizer.
+// ---------------------------------------------------------------------------
+//
+TBool CFsTreeNodeVisualizerBase::IsTextBold( ) const
+ {
+ FUNC_LOG;
+ return iFlags & KFsTreeListItemTextBold;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Function gets text color for a focused item. The color is taken from the
+// skin if skin support is on, if not then a default value is used.
+// ---------------------------------------------------------------------------
+//
+TRgb CFsTreeNodeVisualizerBase::FocusedStateTextSkinColor( )
+ {
+ FUNC_LOG;
+ MAknsSkinInstance* skin = AknsUtils::SkinInstance();
+ TRgb textColor;
+ // First try to get the FS specific text color
+ if( AknsUtils::GetCachedColor( skin, textColor,
+ KAknsIIDFsHighlightColors, EAknsCIFsHighlightColorsCG1 ) != KErrNone )
+ {
+ // If FS specific text color not found, try to get the
+ // normal Avkon list highlight text color
+ if( AknsUtils::GetCachedColor( skin, textColor,
+ KAknsIIDQsnTextColors, EAknsCIQsnTextColorsCG10 ) != KErrNone )
+ {
+ textColor = KRgbBlack;
+ }
+ }
+ return textColor;
+ }
+
+// ---------------------------------------------------------------------------
+// Function gets text color for a non focused item. The color is taken from
+// the skin if skin support is on, if not then a default value is used.
+// ---------------------------------------------------------------------------
+//
+TRgb CFsTreeNodeVisualizerBase::NormalStateTextSkinColor( )
+ {
+ FUNC_LOG;
+ MAknsSkinInstance* skin = AknsUtils::SkinInstance();
+ TRgb textColor;
+ if ( AknsUtils::GetCachedColor( skin, textColor,
+ KAknsIIDFsTextColors, EAknsCIFsTextColorsCG3 ) != KErrNone )
+ {
+ textColor = KRgbBlack;
+ }
+ return textColor;
+ }
+
+// ---------------------------------------------------------------------------
+// Returns horizontal alignment of the displayed text in respect to current layout.
+// ---------------------------------------------------------------------------
+//
+TAlfAlignHorizontal CFsTreeNodeVisualizerBase::CurrentTextAlignmentL( TAlfAlignHorizontal aAlignment,
+ TDesC* aText,
+ CAlfTextVisual* aVisual)
+ {
+ FUNC_LOG;
+ TAlfAlignHorizontal align (aAlignment);
+ TBool isMirrored( EFalse );
+
+ isMirrored = CFsLayoutManager::IsMirrored();
+
+ if ( align == EAlfAlignHLocale )
+ {
+ if ( aText && aVisual )
+ {
+ TInt textWidth(0), visualWidth(0);
+ textWidth = aVisual->SubstringExtents(0, aVisual->Text().Length()).Width();
+ visualWidth = aVisual->Size().Target().iX;
+
+ if ( textWidth >= visualWidth )
+ {
+ TBool found(EFalse);
+ TBidiText * bidiText = TBidiText::NewL(aText->Length() + 1, 1);
+ TBidiText::TDirectionality direction = bidiText->TextDirectionality( *aText, &found );
+ delete bidiText;
+ if ( direction == TBidiText::ELeftToRight )
+ {
+ align = EAlfAlignHLeft;
+ }
+ else
+ { //direction == TBidiText::ERightToLeft
+ align = EAlfAlignHRight;
+ }
+ }
+ else
+ {
+ if ( isMirrored )
+ {
+ align = EAlfAlignHRight;
+ }
+ else
+ {
+ align = EAlfAlignHLeft;
+ }
+ }
+ }
+ }
+ else if ( isMirrored )
+ {//convert left <-> right in mirrored layout
+ if ( align == EAlfAlignHLeft )
+ {
+ align = EAlfAlignHRight;
+ }
+ else if ( align == EAlfAlignHRight )
+ {
+ align = EAlfAlignHLeft;
+ }
+ }
+
+ return align;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Returns text style id used in the node.
+// ---------------------------------------------------------------------------
+//
+TInt CFsTreeNodeVisualizerBase::ModifiedStyleIdL( ) const
+ {
+ FUNC_LOG;
+ TInt styleId(iTextStyleId);
+ TCharFormat charFormat;
+
+ if ( iIsCustomTextStyle )
+ {
+ CAlfTextStyle* textStyle( iOwnerControl.Env().TextStyleManager().TextStyle( styleId ) );
+ HBufC* name = textStyle->TypefaceNameL();
+ charFormat.iFontSpec.iTypeface.iName = name->Left( KMaxTypefaceNameLength );
+ delete name;
+
+ charFormat.iFontSpec.iHeight = textStyle->TextSizeInTwips();
+ charFormat.iFontPresentation.iTextColor = textStyle->TextColor();
+
+ charFormat.iFontPresentation.iStrikethrough = textStyle->IsStrikeThrough() ? EStrikethroughOn : EStrikethroughOff;
+ charFormat.iFontPresentation.iUnderline = textStyle->IsUnderline() ? EUnderlineOn : EUnderlineOff;
+
+ }
+ else
+ {
+ TRect parentRect( Size() );
+ CFsLayoutManager::TFsText text;
+
+ CFsLayoutManager::LayoutMetricsText( parentRect,CFsLayoutManager::EFsLmListMediumLineT3T1, text, 0 );
+
+ charFormat.iFontSpec = text.iFont->FontSpecInTwips();
+ }
+
+ if (iFontHeight>0)
+ {
+ charFormat.iFontSpec.iHeight = iFontHeight;
+ }
+
+ TBool isBold(EFalse);
+ isBold = iFlags & KFsTreeListItemTextBold;
+ if ( isBold )
+ {
+ charFormat.iFontSpec.iFontStyle.SetStrokeWeight( EStrokeWeightBold );
+ }
+ else
+ {
+ charFormat.iFontSpec.iFontStyle.SetStrokeWeight( EStrokeWeightNormal );
+ }
+
+ if ( iTextStyleManager )
+ {
+ styleId = iTextStyleManager->GetStyleIDL( charFormat );
+ }
+
+ return styleId;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Method to set text font height in twips.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetFontHeight(const TInt aHeightInTwips)
+ {
+ FUNC_LOG;
+ iFontHeight = aHeightInTwips;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Gets height of a text font in twips.
+// ---------------------------------------------------------------------------
+//
+TInt CFsTreeNodeVisualizerBase::FontHeight() const
+ {
+ FUNC_LOG;
+ return iFontHeight;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Method to set text font height in pixels.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetFontHeightInPixels(const TInt aHeightInPixels)
+ {
+ FUNC_LOG;
+ TZoomFactor devicemap(CCoeEnv::Static()->ScreenDevice());
+ devicemap.SetZoomFactor(TZoomFactor::EZoomOneToOne);
+ TInt heightInTwips = devicemap.VerticalPixelsToTwips(aHeightInPixels);
+
+ iFontHeight = heightInTwips;
+ }
+
+
+// ---------------------------------------------------------------------------
+// Gets height of a text font in pixels.
+// ---------------------------------------------------------------------------
+//
+TInt CFsTreeNodeVisualizerBase::FontHeightInPixels() const
+ {
+ FUNC_LOG;
+ TZoomFactor devicemap(CCoeEnv::Static()->ScreenDevice());
+ devicemap.SetZoomFactor(TZoomFactor::EZoomOneToOne);
+
+ return devicemap.VerticalTwipsToPixels(iFontHeight);
+ }
+
+
+// ---------------------------------------------------------------------------
+// Second phase constructor.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::ConstructL( )
+ {
+ FUNC_LOG;
+ //get default skin values
+ iNormalTextColor = NormalStateTextSkinColor();
+ iFocusedTextColor = FocusedStateTextSkinColor();
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeNodeVisualizer.
+// Sets visualized node's state to rolled/unrolled.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetExpanded( TBool aFlag, const MFsTreeItemData* /*aData*/ )
+ {
+ FUNC_LOG;
+ if ( aFlag )
+ {
+ iFlags |= KFsTreeListNodeExpanded;
+ }
+ else
+ {
+ iFlags &= ~KFsTreeListNodeExpanded;
+ }
+ }
+
+
+// ---------------------------------------------------------------------------
+// From class MFsTreeNodeVisualizer.
+// Returns rolled/unrolled state of the node's visualization.
+// ---------------------------------------------------------------------------
+//
+TBool CFsTreeNodeVisualizerBase::IsExpanded() const
+ {
+ FUNC_LOG;
+ return iFlags & KFsTreeListNodeExpanded ? ETrue : EFalse;
+ }
+
+
+// ---------------------------------------------------------------------------
+// C++ constructor.
+// ---------------------------------------------------------------------------
+//
+CFsTreeNodeVisualizerBase::CFsTreeNodeVisualizerBase(
+ CAlfControl& aOwnerControl)
+ : iOwnerControl(aOwnerControl),
+ iLayout(NULL),
+ iFlags(KFsTreeListNodeExpanded|KFsTreeListItemFocusable|
+ KFsTreeListItemManagedLayout),
+ iTextAlign( EAlfAlignHLocale ),
+ iTextIndentation( KFsDefaultIndentation ),
+ iIsCustomTextNormalColor(EFalse),
+ iIsCustomTextFocusedColor(EFalse),
+ iTextStyleId ( EAlfTextStyleNormal ),
+ iIsCustomTextStyle( EFalse ),
+ iFontHeight(0),
+ iBackgroundState( EFsNodeBackgroundNone )
+ {
+ FUNC_LOG;
+
+ }
+
+// ---------------------------------------------------------------------------
+// Set layouting hints
+// ---------------------------------------------------------------------------
+//
+void CFsTreeNodeVisualizerBase::SetLayoutHints( const TUint aHints )
+ {
+ FUNC_LOG;
+ iLayoutHints |= aHints;
+ }
+
+// ---------------------------------------------------------------------------
+// Check if hint is set
+// ---------------------------------------------------------------------------
+//
+TBool CFsTreeNodeVisualizerBase::IsLayoutHintSet( const TLayoutHint aHint ) const
+ {
+ FUNC_LOG;
+ return iLayoutHints & aHint;
+ }