photosgallery/viewframework/commandhandlers/commandhandlerdrm/inc/glxcommandhandlerdrm.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/commandhandlers/commandhandlerdrm/inc/glxcommandhandlerdrm.h Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,187 @@
+/*
+* Copyright (c) 2008-2009 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: DRM rights handler
+*
+*/
+
+
+
+
+/**
+ * @internal reviewed 03/07/2007 by Rowland Cook
+ */
+
+#ifndef C_GLXCOMMANDHANDLERDRM_H
+#define C_GLXCOMMANDHANDLERDRM_H
+
+// INCLUDES
+#include <e32base.h>
+#include <glxmedialistcommandhandler.h>
+
+#include <mglxmedialistobserver.h>
+#include <mglxvisuallistobserver.h>
+
+// FORWARD DECLARATIONS
+class CGlxDRMUtility;
+class CGlxDrmIconManager;
+class CGlxDefaultAttributeContext;
+class MGlxVisualList;
+class CGlxMedia;
+class CGlxUiUtility;
+class CGlxVisualListManager;
+// CLASS DECLARATION
+
+//class
+
+/**
+ * CGlxDRMCommandHandler class
+ * Handler for DRM related commands
+ * @glxdrmcommandhandler.lib
+ * @author M Byrne
+ */
+NONSHARABLE_CLASS( CGlxCommandHandlerDrm ) : public CGlxMediaListCommandHandler,
+ public MGlxMediaListObserver,
+ public MGlxVisualListObserver
+ {
+public : //constructor and desctructor
+ /**
+ * Two-phase constructor
+ * @param aMediaListProvider object that provides the media list
+ * @param aIsContainerList
+ */
+IMPORT_C static CGlxCommandHandlerDrm* NewL(
+ MGlxMediaListProvider* aMediaListProvider, TBool aIsContainerList);
+
+ /** Destructor */
+ IMPORT_C ~CGlxCommandHandlerDrm();
+
+ /** See @ref CGlxCommandHandler::DoActivateL */
+ void DoActivateL(TInt aViewId);
+
+ /** See @ref MGlxCommandHandler::Deactivate */
+ void Deactivate();
+
+public: // From MGlxMediaListObserver
+ /// See @ref MGlxMediaListObserver::HandleItemAddedL
+ virtual void HandleItemAddedL(TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList);
+
+ /// See @ref MGlxMediaListObserver::HandleMediaL
+ virtual void HandleMediaL(TInt aListIndex, MGlxMediaList* aList);
+
+ /// See @ref MGlxMediaListObserver::HandleItemRemovedL
+ virtual void HandleItemRemovedL(TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList);
+
+ /// See @ref MGlxMediaListObserver::HandleItemModifiedL
+ virtual void HandleItemModifiedL(const RArray<TInt>& aItemIndexes, MGlxMediaList* aList);
+
+ /// See @ref MGlxMediaListObserver::HandleAttributesAvailableL
+ virtual void HandleAttributesAvailableL(TInt aItemIndex,
+ const RArray<TMPXAttribute>& aAttributes, MGlxMediaList* aList);
+
+ /// See @ref MGlxMediaListObserver::HandleFocusChangedL
+ virtual void HandleFocusChangedL(NGlxListDefs::TFocusChangeType aType, TInt aNewIndex, TInt aOldIndex, MGlxMediaList* aList);
+
+ /// See @ref MGlxMediaListObserver::HandleItemSelectedL
+ virtual void HandleItemSelectedL(TInt aIndex, TBool aSelected, MGlxMediaList* aList);
+
+ /// See @ref MGlxMediaListObserver::HandleMessageL
+ virtual void HandleMessageL(const CMPXMessage& aMessage, MGlxMediaList* aList);
+
+public: // from MGlxVisualListObserver
+ /** @see MGlxVisualListObserver::HandleFocusChangedL */
+ void HandleFocusChangedL( TInt aFocusIndex, TReal32 aItemsPerSecond, MGlxVisualList* aList, NGlxListDefs::TFocusChangeType aType );
+ /** @see MGlxVisualListObserver::HandleSizeChanged */
+ void HandleSizeChanged( const TSize& aSize, MGlxVisualList* aList );
+ /** @see MGlxVisualListObserver::HandleVisualRemoved */
+ void HandleVisualRemoved( const CAlfVisual* aVisual, MGlxVisualList* aList );
+ /** @see MGlxVisualListObserver::HandleVisualAddedL */
+ void HandleVisualAddedL( CAlfVisual* aVisual, TInt aIndex, MGlxVisualList* aList );
+
+protected:
+ /** see CGlxMediaListCommandHandler::DoExecuteL */
+ TBool DoExecuteL(TInt aCommandId, MGlxMediaList& aList);
+
+ /** @see CGlxMediaListCommandHandler::DoIsDisabled */
+ TBool DoIsDisabled(TInt aCommandId, MGlxMediaList& aList) const;
+
+private:
+ /** Second phase constructor */
+ void ConstructL(TBool aIsContainerList);
+
+ /** Constructor */
+ CGlxCommandHandlerDrm(MGlxMediaListProvider* aMediaListProvider);
+
+ /**
+ * Determine if DRM rights need to be consuned based on thumbnail
+ * or visual size
+ * @param aItemIndex index of item in media list
+ * @param aImageSize size of image
+ * @param aBitmapSize bitmap size
+ * @return ETrue if rights are to be consumed
+ */
+ TBool ConsumeRightsBasedOnSize(TInt aItemIndex, TSize aImageSize,
+ TSize aBitmapSize);
+
+ /**
+ * Consume DRM rights if required
+ */
+ void ConsumeDRMRightsL();
+
+ /**
+ * Get size of thumbnail (assuming largest used if DRM rights
+ * are valid).
+ * @param aMedia CGlxMedia item for current item
+ * @return TSize of thumbnail
+ */
+ TSize ThumbnailSize(const CGlxMedia* aMedia);
+
+private:
+ /// Resource file offset
+ TInt iResourceOffset;
+ // Does the list contain containers or items
+ TInt iIsContainerList;
+
+ /** Poniter to instance of DRM utility (owned) */
+ CGlxDRMUtility* iDrmUtility;
+
+ /** DRM icon manager - owned */
+ CGlxDrmIconManager* iDrmIconManager;
+
+ /** Fetch context to retrieve DRM releated attributes (owned) */
+ CGlxDefaultAttributeContext* iFetchContext;
+
+ /** Visual list manager (owned) */
+ CGlxVisualListManager* iVisualListManager;
+
+ /** Visual list used by DRM command handler (owned) */
+ MGlxVisualList* iVisualList;
+
+ /** URI for media list item (owned) */
+ mutable HBufC* iUrl;
+
+ /** flag to indicate whether full-screen view active
+ based on dummy view-state commands */
+ TBool iInFullScreen;
+
+ /** HUI utility class (owned) */
+ CGlxUiUtility* iUiUtility;
+
+ /** have we already checked rights for current item */
+ TBool iDrmRightsChecked;
+ };
+
+#endif // C_GLXDRMCOMMANDHANDLER_H
+
+
+