diff -r d189ee25cf9d -r 3533d4323edc emailuis/uicomponents/inc/fscontrolbuttonvisualiser.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/uicomponents/inc/fscontrolbuttonvisualiser.h	Wed Sep 01 12:28:57 2010 +0100
@@ -0,0 +1,554 @@
+/*
+* 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:  Visualiser class of the button.
+*
+*/
+
+
+#ifndef C_FSCONTROLBUTTONVISUALISER_H
+#define C_FSCONTROLBUTTONVISUALISER_H
+
+#include <gdi.h>
+//<cmail> SF
+#include <alf/alfgc.h>
+#include <alf/alftexturemanager.h>
+//</cmail>
+#include "fscontrolbuttonconst.h"
+
+class CAlfControl;
+class CAlfVisual;
+class CAlfLayout;
+class CAlfBrush;
+class CAlfFrameBrush;
+class CAlfTextVisual;
+class CAlfGridLayout;
+class CAlfDeckLayout;
+class CAlfAnchorLayout;
+class CAlfImageVisual;
+class TAlfTextStyle;
+class TAlfTimedPoint;
+class CAlfTexture;
+class CAlfGradientBrush;
+class CAlfImageBrush;
+class CAlfShadowBorderBrush;
+class CFsControlButtonModel;
+class CFsControlButtonLayoutData;
+class CFsTextStyleManager;
+class TCharFormat;
+
+/**
+ *  Visualiser class of the button.
+ *
+ *  @code
+ *
+ *  @endcode
+ *
+ *  @lib fs_generic.lib
+ */
+class CFsControlButtonVisualiser : public CBase,
+    public MAlfTextureLoadingCompletedObserver
+    {
+
+public:
+
+    /**
+     * Two-phased constructor..
+     */
+    static CFsControlButtonVisualiser* NewL(
+        CAlfControl& aParent,
+        CAlfDeckLayout& aParentLayout,
+        CFsTextStyleManager* aTextStyleManager );
+
+    /**
+     * Destructor.
+     */
+    IMPORT_C virtual ~CFsControlButtonVisualiser();
+
+    /**
+     * Attaches model to visualiser.
+     *
+     * @param aButtonModel button's model.
+     */
+    IMPORT_C virtual void InitializeL( CFsControlButtonModel& aButtonModel );
+
+    /**
+     * Called when the colors etc should be refreshed
+     */
+    virtual void UpdateVisualThemeL();
+    
+    /**
+     * Refreshes button on the display.
+     */
+    IMPORT_C virtual void Refresh();
+
+    /**
+     * Refreshes button on the display placing it at specified point.
+     *
+     * @param aStartAt start point of the buton.
+     */
+    IMPORT_C virtual void Refresh( TPoint aStartAt );
+
+    /**
+     * Retrieves end X coordinate of the button.
+     *
+     * @return X coordinate of the bottom right point of the button.
+     */
+    TInt GetBottomRight() const;
+
+    /**
+     * Retrieves position of the button.
+     *
+     * @return start point of the button.
+     */
+    const TAlfTimedPoint Pos() const;
+
+    /**
+     * Retrieves size of the button.
+     *
+     * @return size of the button.
+     */
+    const TAlfTimedPoint Size() const;
+
+    /**
+     * Sets background image of the button. Ownership of the object is transfered.
+     *
+     * @param aImage Image brush that is used at background.
+     */
+    IMPORT_C virtual void SetBackgroundImageL( CAlfImageBrush* aImage );
+
+    /**
+     * Sets button's background color.
+     *
+     * @param aColor background color to be set.
+     */
+    IMPORT_C virtual void SetBackgroundColor( const TRgb& aColor );
+
+    /**
+     * Clears button's background color. Button is transparent.
+     */
+    IMPORT_C virtual void ClearBackgroundColor();
+
+    /**
+     * Clears button's background image.
+     */
+    IMPORT_C virtual void ClearBackgroundImage();
+
+    /**
+     * Sets alignment of element of the button.
+     *
+     * @param aButtonElem element to be aligned.
+     * @param aHAlign horizontal alignement of element.
+     * @param aVAlign vertical alignement of element.
+     */
+    IMPORT_C virtual void SetElemAlignL(
+        TFsControlButtonElem aButtonElem,
+        TAlfAlignHorizontal aHAlign,
+        TAlfAlignVertical aVAlign );
+
+    /**
+     * Set new height for the button text.
+     * Setting a negative or zero value changes the value back to default.
+     *
+     * @param aTextHeight Height in pixels.
+     */
+    IMPORT_C virtual void SetTextHeight( const TInt aTextHeight );
+
+    /**
+     * Change the current font.
+     *
+     * @param aFontSpec Font specification.
+     */
+    IMPORT_C virtual void SetTextFontL( const TFontSpec& aFontSpec );
+
+    /**
+     * Updates element content from the model.
+     *
+     * @param aButtonElem element to be updated.
+     */
+    IMPORT_C virtual void UpdateElementL( TFsControlButtonElem aButtonElem );
+
+    /**
+     * Retrieves width of the button.
+     *
+     * @return width of the button.
+     */
+    TInt Width() const;
+
+    /**
+     * Updates size of button.
+     */
+    IMPORT_C virtual void UpdateButtonSize();
+
+    /**
+     * Retrieves the background layout of the button.
+     *
+     * @return Background layout of the button.
+     */
+    CAlfLayout* Layout();
+
+    /**
+     * Retrieves the content layout of the button.
+     *
+     * @return Content layout of the button.
+     */
+    CAlfLayout* ContentLayout();
+
+    /**
+     * Enables button.
+     */
+    IMPORT_C virtual void ShowL();
+
+    /**
+     * Disables button.
+     */
+    IMPORT_C virtual void Hide();
+
+    /**
+     * Checks if button is visible or not.
+     *
+     * @return ETrue if visible, EFalse if hidden.
+     */
+    TBool IsVisible() const;
+
+    /**
+     * Sets parent layout.
+     *
+     * @param aParentLayout layout of parent control.
+     */
+    void SetParentLayoutL( CAlfDeckLayout* aParentLayout );
+
+    /**
+     * Sets parent control.
+     *
+     * @param aParentControl parent control.
+     */
+    void SetParentControlL( CAlfControl* aParentControl );
+
+    /**
+     * Assign a new text style manager.
+     *
+     * @param aTextStyleManager New text style manager.
+     */
+    void SetTextStyleManager( CFsTextStyleManager* aTextStyleManager );
+
+    /**
+     * Update elemets after texture loading is completed.
+     *
+     * @param aTexture Reference to the texture that has been loaded.
+     * @param aTextureId Id of the texture in the texture manager. Can be used
+     * to identify the loaded texture, provided that an id was assigned to the
+     * texture.
+     * @param aErrorCode KErrNone if the load was successful, otherwise one of
+     * the system-wide error codes indicating reason why the texture loading
+     * failed.
+     */
+    IMPORT_C virtual void TextureLoadingCompleted(
+        CAlfTexture& aTexture, TInt aTextureId, TInt aErrorCode );
+
+    /**
+     * Enables focus drawing for item and draws it.
+     * NOTE: Do not change focus state. Item might be focused altough
+     *       selector is not visible.
+     * @param aShow If ETrue visibility of focus is drawn if
+     *              EFalse visibility of focus is hidden.
+     */
+    void MakeFocusVisible( TBool aShow );
+
+protected:
+
+    /**
+     * Sets colors and bitmaps for drawing button in "focused" state.
+     */
+    IMPORT_C virtual void PrepareDrawFocused();
+
+    /**
+     * Sets colors and bitmaps for drawing button in "normal
+     * (no focus, enabled)" state.
+     */
+    IMPORT_C virtual void PrepareDrawNormal();
+
+    /**
+     * Sets colors and bitmaps for drawing button in "dimmed" state.
+     */
+    IMPORT_C virtual void PrepareDrawDimmed();
+
+protected:
+
+    /**
+     * Constructor.
+     *
+     * @param aParent parent control.
+     * @param aParentLayout layout of parent control.
+     * @param aTextStyleManager Text style manager.
+     */
+    IMPORT_C CFsControlButtonVisualiser(
+        CAlfControl& aParent,
+        CAlfDeckLayout& aParentLayout,
+        CFsTextStyleManager* aTextStyleManager );
+
+    /**
+     * Constructor.
+     */
+    IMPORT_C CFsControlButtonVisualiser();
+
+    /**
+     * Second phase constructor.
+     */
+    IMPORT_C virtual void ConstructL();
+
+    /**
+     * Creates needed visuals for specified button type.
+     */
+    IMPORT_C virtual void CreateButtonVisualsL();
+
+    /**
+     * Calculates button size according to content.
+     *
+     * @return size of button.
+     */
+    IMPORT_C virtual TInt CalculateButtonSize();
+
+    /**
+     * Updates position of button.
+     */
+    void UpdateButtonPos();
+
+    /**
+     * Updates size of columns in grid layouter for button's elements.
+     *
+     * @param aButtonType type of button.
+     */
+    IMPORT_C virtual void UpdateElementsSizeL(
+        TFsControlButtonType aButtonType );
+
+    /**
+     * Sets text styles for specified button type.
+     */
+    IMPORT_C virtual void UpdateTextStyles();
+
+    /**
+     * Sets alignment of specified image of the button.
+     *
+     * @param aImage image to be aligned.
+     * @param aHAlign horizontal alignement of element.
+     * @param aVAlign vertical alignement of element.
+     */
+    IMPORT_C virtual void SetImageAlign( CAlfImageVisual* aImage,
+                                         TAlfAlignHorizontal aHAlign,
+                                         TAlfAlignVertical aVAlign );
+
+    /**
+     * Sets alignment of specified text of the button.
+     *
+     * @param aText text to be aligned.
+     * @param aHAlign horizontal alignement of element.
+     * @param aVAlign vertical alignement of element.
+     */
+    IMPORT_C virtual void SetTextAlign( CAlfTextVisual* aText,
+                                        TAlfAlignHorizontal aHAlign,
+                                        TAlfAlignVertical aVAlign );
+
+    /**
+     * Updates bar layout.
+     */
+    void UpdateBarLayout();
+
+    /**
+     * Resolve the character format from current text visual.
+     *
+     * @param aCharFormat Place holder for resolved character format.
+     * @param aTextVisual Text visual.
+     */
+    void ResolveCharFormat(
+        TCharFormat& aCharFormat,
+        CAlfTextVisual* aTextVisual );
+
+protected: // data
+
+    /**
+     * Parent control.
+     * Not own.
+     */
+    CAlfControl*    iParent;
+
+    /**
+     * Model of the button.
+     * Not owned.
+     */
+    CFsControlButtonModel* iButtonModel;
+
+    /**
+     * Layout of the button control.
+     * Owned (because of possibility to change visualiser -
+     * old one has to be removed from parent and layout tree).
+     */
+    CAlfLayout* iButtonLayout;
+
+    /**
+     * Layout for button content.
+     * Not own.
+     */
+    CAlfLayout* iButtonContentLayout;
+
+    /**
+     * Visual for first line of text.
+     * Not own.
+     */
+    CAlfTextVisual* iLabelFirstLine;
+
+    /**
+     * Visual for second line of text.
+     * Not own.
+     */
+    CAlfTextVisual* iLabelSecondLine;
+
+    /**
+     * Height of the button's text in pixels.
+     */
+    TInt iTextHeight;
+
+    /**
+     * Font specification.
+     * Owned.
+     */
+    TFontSpec* iTextFontSpec;
+
+    /**
+     * Flag to determine if the text size has been changed.
+     */
+    TBool iTextHeightSet;
+
+    /**
+     * Visual for the A icon.
+     * Not own.
+     */
+    CAlfImageVisual* iIconA;
+
+    /**
+     * Container for icon A.
+     * Not own.
+     */
+    CAlfLayout* iIconAContainer;
+
+    /**
+     * Visual for the B icon.
+     * Not own.
+     */
+    CAlfImageVisual* iIconB;
+
+    /**
+     * Container for icon B.
+     * Not own.
+     */
+    CAlfLayout* iIconBContainer;
+
+    /**
+     * Background color.
+     * Owned.
+     */
+    CAlfGradientBrush* iBgColorBrush;
+
+    /**
+     * Brush with background image.
+     * Owned.
+     */
+    CAlfBrush* iBgBrush;
+
+    /**
+     * Default brush for background. Owned.
+     */
+    CAlfFrameBrush* iDefaultBgBrush;
+
+	/**
+	 * ETrue if default theme background is used
+	 */
+    TBool iUseDefaultBackground;
+    
+    /**
+     * Brush for shadowed button borders.
+     * Owned.
+     */
+    CAlfShadowBorderBrush* iShadowBorderBrush;
+
+    /**
+     * Layout of the parent control.
+     * Not owned.
+     */
+    CAlfDeckLayout* iParentLayout;
+
+    /**
+     * Flag for recalculate positions of icons.
+     */
+    TBool iUpdateIconsAlign;
+
+    /**
+     * First draw.
+     */
+    TBool iFirstDraw;
+
+    /**
+     * Horizontal alignement of A icon.
+     */
+    TAlfAlignHorizontal iAIconHAlign;
+
+    /**
+     * Vertical alignement of A icon.
+     */
+    TAlfAlignVertical iAIconVAlign;
+
+    /**
+     * Horizontal alignement of B icon.
+     */
+    TAlfAlignHorizontal iBIconHAlign;
+
+    /**
+     * Vertical alignement of B icon.
+     */
+    TAlfAlignVertical iBIconVAlign;
+
+    /**
+     * Flag for visible/hidden state.
+     */
+    TBool iVisible;
+
+    /**
+     * Visual for button pane.
+     * Not own.
+     */
+    CAlfVisual* iButtonPane;
+
+    /**
+     * Background color.
+     */
+    TRgb iBackgroundColor;
+
+    /**
+     * Text style manager.
+     * Not own.
+     */
+    CFsTextStyleManager* iTextStyleManager;
+
+    /**
+     * States that can focus been drawn.
+     */
+    TBool iDrawFocus;
+
+    /**
+     * Show dropdown shadow for buttons  
+     */
+    TBool iShowShadow;
+    };
+
+
+#endif // C_FSCONTROLBUTTONVISUALISER_H