phonebookui/Phonebook2/ccapplication/ccamycardplugin/inc/ccappmycardimageloader.h
branchRCL_3
changeset 20 f4a778e096c2
child 21 9da50d567e3c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/Phonebook2/ccapplication/ccamycardplugin/inc/ccappmycardimageloader.h	Wed Sep 01 12:29:52 2010 +0100
@@ -0,0 +1,134 @@
+/*
+* Copyright (c) 2009-2009 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:  Implementation of MyCard image loader
+*
+*/
+
+#ifndef CCAPPMYCARDIMAGELOADER_H
+#define CCAPPMYCARDIMAGELOADER_H
+
+#include <CCAppImageDecoding.h>
+
+class MVPbkStoreContact;
+class CCCAppImageDecoding;
+class CFbsBitmap;
+
+/**
+ * MyCard image loading observer class
+ */
+class MMyCardImageLoaderObserver
+{
+public:
+    
+    /**
+     * Notification method to report loaded images to observer.
+     * 
+	 * @param aThumbnail loaded contact thumbnail. Ownership transferred to
+	 *        observer.
+     */
+    virtual void ThumbnailReady( CFbsBitmap* aThumbnail ) = 0;
+    
+    /**
+     * Notification method to report failed load requests
+     * 
+     * @param aError Generic symbian error code
+     */
+    virtual void ThumbnailLoadError( TInt aError ) = 0;
+
+protected:
+    virtual ~MMyCardImageLoaderObserver() {}
+};
+
+/**
+ *  Contact image loader
+ *
+ *  @lib ccappmycardplugin.dll
+ *  @since S60 9.2
+ */
+NONSHARABLE_CLASS( CCCAppMyCardImageLoader ) : 
+    public CBase,
+    public MCCAppImageDecodingObserver
+{
+
+public:
+
+    /**
+     * Two-phased constructor.
+     */
+    static CCCAppMyCardImageLoader* NewL(
+        MMyCardImageLoaderObserver& aObserver );
+
+    /**
+     * Destructor.
+     */
+    ~CCCAppMyCardImageLoader();
+
+    
+public: // Interface
+       
+    /**
+     * Start loading contacts image. Will cancel any previous requests.
+     * Once loading is complete the new image is delivered to observer 
+     * with a call to MMyCardImageLoaderObserver::ThumbnailReady.
+     * 
+     * @param aContact source contact for the image
+     */
+    void LoadContactImageL( 
+            MVPbkStoreContact& aContact, 
+            const TSize& aThumbnailSize );
+    
+    /**
+     * Start loading contacts image. Will cancel any previous requests.
+     * Once loading is complete the new image is delivered to observer 
+     * with a call to MMyCardImageLoaderObserver::ThumbnailReady.
+     * 
+     * @param aImageData source data for the image
+     * @param aImageFileName filename of the image
+     */
+    void LoadImageL( 
+        const TDesC8& aImageData,
+        const TDesC& aImageFileName,
+        const TSize& aThumbnailSize );
+    
+    void ResizeImageL( const TSize& aThumbnailSize );
+    
+private:    // From MCCAppImageDecodingObserver
+    void BitmapReadyL( CFbsBitmap* aBitmap );
+    
+private: // constructors
+    
+    /**
+     * Constructor
+     */
+    inline CCCAppMyCardImageLoader(
+        MMyCardImageLoaderObserver& aObserver );
+    
+private: // data
+	
+	/// Not own. Observer
+	MMyCardImageLoaderObserver& iObserver;
+	
+	/// Own.
+	HBufC8* iImageBuffer;
+
+    /// Own.
+    HBufC* iImageFileName;
+    
+    /// Own
+    CCCAppImageDecoding* iImageDecoding;
+};
+
+#endif // CCAPPMYCARDIMAGELOADER_H
+
+// End of File