diff -r fb3763350a08 -r 4d54b72983ae taskswitcher/contextengine/hgfswpreviewprovider/inc/hgpreviewobserver.h --- a/taskswitcher/contextengine/hgfswpreviewprovider/inc/hgpreviewobserver.h Fri Jan 22 09:35:14 2010 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,60 +0,0 @@ -/* -* ============================================================================== -* Name : %name: hgpreviewobserver.h % -* Part of : Hg fast swap preview provider plugin -* Description : Preview provider API -* Version : %version: 1 % -* -* Copyright (c) 2008 Nokia Corporation. -* This material, including documentation and any related -* computer programs, is protected by copyright controlled by -* Nokia Corporation. All rights are reserved. Copying, -* including reproducing, storing, adapting or translating, any -* or all of this material requires the prior written consent of -* Nokia Corporation. This material also contains confidential -* information which may not be disclosed to others without the -* prior written consent of Nokia Corporation. -* ============================================================================== -*/ - -#ifndef HGPREVIEWOBSERVER_H -#define HGPREVIEWOBSERVER_H - -// INCLUDES -#include - -/** - * Observer for preview screenshot changes. Client must implement this and - * register itself when calling CHgFastSwapPreviewProvider::NewL. Callback - * methods are called whenever there is a new preview screenshot taken from - * the applications or when an application is exited. - * - * @see CHgFastSwapPreviewProvider - */ -class MHgFastSwapPreviewObserver - { -public: - - /** - * Called when application has changed and screenshot has been taken. - * New sceenshots will be taken and provided to the client via this - * callback every time the application goes to background. - * - * @param aWgId Window group id of the application. - * @param aFbsHandle Handle to screenshot CFbsBitmap. - */ - virtual void HandleFswPpApplicationChange( TInt aWgId, TInt aFbsHandle ) = 0; - - /** - * Called when application has been exited. Client can free the resources - * related to aWgId (for example a copied bitmap) since the application is - * no more running. - * - * @param aWgId Window group id of the application. - */ - virtual void HandleFswPpApplicationUnregistered( TInt aWgId ) = 0; - }; - -#endif // HGPREVIEWOBSERVER_H - -// End of file