messagingappbase/msgeditor/mediacontrolinc/MsgSvgControl.h
changeset 0 72b543305e3a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingappbase/msgeditor/mediacontrolinc/MsgSvgControl.h	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,211 @@
+/*
+* Copyright (c) 2005-2006 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:  
+*       MsgEditor Svgt media control - a Message Editor Base control
+*
+*/
+
+
+
+#ifndef MSGSVGTCONTROL_H
+#define MSGSVGTCONTROL_H
+
+// INCLUDES
+#include <msgmediacontrol.h>
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+class CMsgEditorView;
+class TAknsItemID;
+class CMsgBitmapControl;
+class CMsgSvgUtils;
+
+// CLASS DECLARATION
+
+// ==========================================================
+
+/**
+* Message Editor Base control for handling svgt
+*/
+class CMsgSvgControl : public CMsgMediaControl
+    {
+
+    public:  // Constructor and destructor
+
+        /**
+        * Two-phased constructor.
+        * @param aObserver Control state observer.
+        * @param aParent   Parent control.
+        *
+        * @return new object
+        */
+        IMPORT_C static CMsgSvgControl* NewL( CMsgEditorView& aParent, 
+                                              MMsgAsyncControlObserver* aObserver );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CMsgSvgControl();
+
+    public: // New functions
+        
+        /**
+        * Loads SVG content indicator icon from specified file using bitmap id and mask id.
+        * This indicator icon is superimposed on top of SVG icon.
+        *
+        * @param aId            Item Id.
+        * @param aFileName      Name of the file that includes wanted icon bitmap
+        * @param aFileBitmapId  ID of the icon bitmap
+        * @param aFileMaskId    ID of the icon mask. -1 (default) if no mask needed.
+        */
+        IMPORT_C void LoadIndicatorIconL( const TAknsItemID& aId,
+                                          const TDesC& aFileName,
+                                          const TInt aFileBitmapId,
+                                          const TInt aFileMaskId = -1 );
+        
+    public: 
+        
+        /**
+        * From MMsgAsyncControl
+        *
+        * LoadL
+        */  
+        void LoadL( RFile& aFileHandle );
+        
+        /**
+        * From MMsgAsyncControl
+        *
+        * Cancels the asyncronous operation if it is pending.
+        */         
+        void Cancel();
+        
+        /**
+        * From MMsgAsyncControl
+        *
+        * Closes control. Closing means freeing file
+        * specific resources that other application can use the file.
+        */         
+        void Close(); 
+        
+        /**
+        * From CMsgMediaControl    
+        *
+        * PlayL
+        */  
+        void PlayL();
+        
+        /**
+        * From CMsgMediaControl    
+        *
+        * Stop
+        */  
+        void Stop();
+        
+        /**
+        * From CMsgMediaControl    
+        *
+        * PauseL
+        */  
+        void PauseL();   
+        
+    public: // from CMsgBaseControl
+
+        /**
+        * Calculates and sets the size of the control and returns new size as
+        * reference aSize.
+        * From CMsgBaseControl
+        */
+        void SetAndGetSizeL( TSize& aSize );
+    
+    public: // from CCoeControl
+        
+        /**
+        * Called when size is changed.
+        * From CMsgBaseControl
+        */
+        void SizeChanged();
+        
+        /**
+        * From CCoeControl. Handles resource change events.
+        * @param aType
+        */
+        void HandleResourceChange( TInt aType );
+        
+        /**
+        * From CCoeControl Return count of controls be included in this component
+        */
+        TInt CountComponentControls() const;
+
+        /**
+        * From CCoeControl Return pointer to component in question.
+        */
+        CCoeControl* ComponentControl( TInt aIndex ) const;
+        
+        /**
+        * From CCoeControl,Draw.
+        * @param aRect draw rect
+        */
+        void Draw( const TRect& aRect ) const;
+    
+    private:
+        
+        /**
+        * C++ default constructor.
+        */
+        CMsgSvgControl();
+                          
+        /**
+        * constructor
+        * @param aFlags - CMsgImageControl::TFlags
+        * @param aBaseControlObserver - observer to notify about changes.
+        */
+        CMsgSvgControl( MMsgBaseControlObserver& aBaseControlObserver );
+                          
+        /**
+        * By default Symbian constructor is private.
+        * @param aParent - parent control.
+        */
+        void ConstructL( CMsgEditorView& aParent,
+                         MMsgAsyncControlObserver* aObserver );
+        
+        /**
+        * Loads the thumbnail without setting the filehandle
+        */
+        void DoLoadL();
+        
+        /**
+        * Calculates correct extent for icon control.
+        */
+        void SetIconExtent();
+        
+        /**
+        * Calculates correct size for control.
+        */
+        TSize CalculateControlSize( TSize aProposedSize ) const;
+               
+    private: //Data
+
+        RFile               iFileHandle;
+        CMsgIconControl*    iSvgIndicator;
+        CMsgSvgUtils*       iSvgUtils;
+    };
+    
+#endif // MSGSVGTCONTROL_H