phonebookui/Phonebook2/ccapplication/ccamycardplugin/inc/ccappmycardimageloader.h
changeset 0 e686773b3f54
child 3 04ab22b956c2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/Phonebook2/ccapplication/ccamycardplugin/inc/ccappmycardimageloader.h	Tue Feb 02 10:12:17 2010 +0200
@@ -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 <e32base.h>
+#include <MPbk2ImageOperationObservers.h>
+
+class CVPbkContactManager;
+class CPbk2ImageManager;
+class MVPbkStoreContact;
+class MPbk2ImageOperation;
+
+/**
+ * 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 MPbk2ImageGetObserver
+{
+
+public:
+
+    /**
+     * Two-phased constructor.
+     */
+    static CCCAppMyCardImageLoader* NewL(
+        CVPbkContactManager& aContactManager,
+        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 );
+
+    
+private: // From MPbk2ImageGetObserver
+    virtual void Pbk2ImageGetComplete(
+            MPbk2ImageOperation& aOperation,
+            CFbsBitmap* aBitmap );
+    virtual void Pbk2ImageGetFailed(
+            MPbk2ImageOperation& aOperation,
+            TInt aError );
+
+    
+private: // constructors
+    
+    /**
+     * Constructor
+     */
+    CCCAppMyCardImageLoader(
+        CVPbkContactManager& aContactManager,
+        MMyCardImageLoaderObserver& aObserver );
+
+    /**
+     * Constructor
+     */
+    void ConstructL();
+
+    
+private: // data
+	
+	/// Not own. Virtual phonebook contact manager
+	CVPbkContactManager& iContactManager;
+	
+	/// Not own. Observer
+	MMyCardImageLoaderObserver& iObserver;
+	
+	/// Own. Phonebook image manager
+	CPbk2ImageManager* iImageManager;
+	
+	/// Own. Image operation
+	MPbk2ImageOperation* iOperation;
+};
+
+#endif // CCAPPMYCARDIMAGELOADER_H
+
+// End of File