--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/commandhandlers/commoncommandhandlers/inc/glxcommandhandlerrotate.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,178 @@
+/*
+* 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:    Rotate command handler
+*
+*/
+
+
+
+
+#ifndef C_GLXCOMMANDHANDLERROTATE_H
+#define C_GLXCOMMANDHANDLERROTATE_H
+
+// INCLUDES
+
+#include <glxmedialistcommandhandler.h>
+#include <glxrotationlayout.h>
+#include <glxlayoutsplitter.h>
+
+#include <ExifModify.h>
+#include <glxmedia.h>
+// FORWARD DECLARATIONS
+
+class CGlxDefaultAttributeContext;
+class CGlxDefaultThumbnailContext;
+class CGlxUiUtility;
+class CGlxVisualListManager;
+class MGlxLayoutOwner;
+
+// CLASS DECLARATION
+
+// CLASS DECLARATION
+
+/**
+ * Command to rotate the thumbnail in full screen view to better fit the aspect
+ * ratio of the screen.
+ *
+ * @ingroup glx_group_command_handlers
+ */
+NONSHARABLE_CLASS (CGlxCommandHandlerRotate)
+    : public CGlxMediaListCommandHandler, public MGlxMediaListObserver
+    {
+public:
+    /**
+     * Two-phased constructor.
+     * @param aMediaListProvider Source of media list
+     * @param aLayoutOwner Owner of Layout to append rotate layout to
+     * @param aLayoutIndex Index of layout to append rotate layout to
+     */
+    IMPORT_C static CGlxCommandHandlerRotate* NewL(
+                                        MGlxMediaListProvider* aMediaListProvider,
+                                        MGlxLayoutOwner* aLayoutOwner = NULL,
+                                        TInt aLayoutIndex = 0);
+
+    /**
+     * Destructor.
+     */
+    ~CGlxCommandHandlerRotate();
+
+private:    // From CGlxMediaListCommandHandler
+    TBool DoExecuteL(TInt aCommandId, MGlxMediaList& aList);
+    void DoActivateL(TInt aViewId);
+    void Deactivate();
+    TBool DoIsDisabled(TInt aCommandId, MGlxMediaList& aList) const;
+
+private:    // From MGlxMediaListObserver
+    void HandleItemAddedL(TInt aStartIndex, TInt aEndIndex,
+                MGlxMediaList* aList);
+    void HandleMediaL(TInt aListIndex, MGlxMediaList* aList);
+    void HandleItemRemovedL(TInt aStartIndex, TInt aEndIndex,
+                MGlxMediaList* aList);
+    void HandleItemModifiedL(const RArray<TInt>& aItemIndexes,
+                MGlxMediaList* aList);
+    void HandleAttributesAvailableL(TInt aItemIndex,
+                const RArray<TMPXAttribute>& aAttributes, MGlxMediaList* aList);	
+    void HandleFocusChangedL(NGlxListDefs::TFocusChangeType aType, TInt aNewIndex,
+                TInt aOldIndex, MGlxMediaList* aList);
+    void HandleItemSelectedL(TInt aIndex, TBool aSelected, MGlxMediaList* aList);
+    void HandleMessageL(const CMPXMessage& aMessage, MGlxMediaList* aList);
+
+private:
+    /**
+     * C++ default constructor.
+     * @param aMediaListProvider Source of media list
+     * @param aLayoutOwner Owner of Layout to append rotate layout to
+     * @param aLayoutIndex Index of layout to append rotate layout to
+     */
+    CGlxCommandHandlerRotate(MGlxMediaListProvider* aMediaListProvider,
+        MGlxLayoutOwner* aLayoutOwner, TInt aLayoutIndex);
+
+    /**
+     * By default Symbian 2nd phase constructor is private.
+     */
+    void ConstructL();
+
+    /**
+     * Rotate the Image Using antriksh animation.
+     */
+    void DoRotateL(MGlxMediaList& aList, TInt aAngle);
+    /**
+     * Calculate and Update the image's Exif data with final orientation.
+     */
+    void DoPreserveOrientationL(); 
+    /**
+     * Calculate the final orientation from the previous orientation and the final rotation angle.
+     */
+    TInt DoCalculateOrientationL(TInt aInitialOrientation);
+    /**
+     * Initializes class variables required for rotation
+     */
+    void DoInitializeRotationParametersL();
+    /**
+     * Cleans up all class variables used for rotation
+     */
+    void DoCleanupRotationParametersL();
+private:    // Data
+    /** ID of owning view */
+    TInt iViewId;
+    /** Visual list manager */
+    CGlxVisualListManager* iVisualListManager;
+    /** HUI utility */
+    CGlxUiUtility* iUiUtility;
+    /** Attribute context */
+    CGlxDefaultAttributeContext* iAttributeContext;
+    /** Thumbnail context for portrait thumbnails */
+    CGlxDefaultThumbnailContext* iPortraitThumbnailContext;
+    /** Visual list containing the rotated visual */
+    MGlxVisualList* iVisualList;
+    /** Visual to which the rotation is applied (not owned) */
+    CAlfVisual* iVisual;
+	
+    /** Layout to split layout chain to focused item */
+    TGlxLayoutSplitter iSplitter;
+    /** Layout to rotate the focused item */
+    TGlxRotationLayout iLayout;
+    /** Whether the command is shown in the active palette */
+    TBool iShowInToolbar;
+    /** Whether the command is available in the current view state */
+    TBool iRotationAvailable;
+    /** Whether we have rotated the visual */
+    TBool iRotationApplied;
+    /** Which tooltip to show */
+    TBool iViewPortrait;
+    
+    /// The layout owner
+    MGlxLayoutOwner* iLayoutOwner;
+    /// The index of the layout to request from the owner
+    TInt iLayoutIndex;
+    /// The layout to append the rotate layout to
+    MGlxLayout* iLayoutToFollow;
+    MGlxMediaList* iMediaList; //not owned do not delete 
+    TInt iRotationAngle;
+    TFileName iFileToBeRotated;
+    TFileName iTempFile;
+    RFs iFs;
+    TUint16 iInitialOrientation;
+    RFile iFileHandle;
+    HBufC8* iExifData;
+    CExifModify* iExifWriter;
+    TBool iDoAttemptToSaveFile;
+    const TGlxMedia* iGlxItem;
+    TBool iAddedObserver;
+    
+    };
+
+#endif  // C_GLXCOMMANDHANDLERROTATE_H
+
+// End of File