--- a/windowing/windowserver/inc/Graphics/wsgraphicdrawerinternal.h Tue Jun 22 15:21:29 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,89 +0,0 @@
-// Copyright (c) 1994-2010 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:
-//
-
-#ifndef GRAPHICDRAWER_INTERNAL_H
-#define GRAPHICDRAWER_INTERNAL_H
-
-class MWsAnimationScheduler: public MWsObjectProvider
-/** A system mechanism for customising the animation timer to a particular hardware variant or to a
- particular external compositor e.g. an out-of-scene transition engine.
- The default animation scheduler in WSERV does not understand device-dependant parameters e.g.
- screen refresh rates
- @internalComponent
- @released
-*/ {
-public:
- /** Called to schedule an animation event for a screen to occur not before some point
- A screen may be scheduled to animate several times without actually receiving an animation event from the scheduler
- If the scheduler cannot honour the request e.g. device constraints, it ignores the request.
- @param aScreen the screen to recieve the event
- @param aWhen the point in time the event need not occur before
- */
- virtual void ScheduleAnimation(MWsScreen& aScreen,const TTime& aWhen) = 0;
- /** Called if a screen determines that it no longer needs to schedule any animation
- @param aScreen the screen not needing to receive any animation events
- */
- virtual void UnscheduleAnimation(MWsScreen& aScreen) = 0;
- /** Called to schedule the redrawing of all screens containing this graphic.
- The redrawing of affected screens can be deferred by the scheduler.
- @param aId the ID of the graphic to be redrawn. The graphic itself need not exist
- (e.g. it has just been deleted, hence the need to redraw all potentially affected screens). */
- virtual void Invalidate(const TGraphicDrawerId& aId) = 0;
- /** Called when the Window Server receives a TRawEvent::EInactive event, to signal power-saving */
- virtual void OnInactive() = 0;
- /** Called when the Window Server receives a TRawEvent::EActive event, to signal screen back on */
- virtual void OnActive() = 0;
-
- /** Called to schedule a redraw for a screen which is out of date
- A screen may be scheduled to redraw several times without actually receiving aredraw event from the scheduler
- If this request is ignored then the screen will be draw incorrectly untill a such a request is not ignored.
- @param aScreen the screen to recieve the event
- @param aWhen the point in time the event need not occur before
- */
- virtual void ScheduleRedraw(MWsScreen& aScreen,const TTime& aWhen) = 0;
- /** Called to force a previously scheduled redraw for a screen to happen immediately.
- Used when we are about to loose our ability to perform the redraw correctly.
- @param aScreen the screen to recieve the event
- */
- virtual void DoRedrawNow(MWsScreen& aScreen) = 0;
-
- /** Interface to be implemented by callers of the asynchronous overload of
- DoRedrawNow, which takes a reference to this interface as argument to be able
- to give a callback once the screen update has been completed.
- */
- class MScreenUpdateObserver
- {
- public:
- /** Callback when an asynchronous DoRedrawNow has been completed. */
- virtual void ScreenUpdateComplete(TInt aResult) = 0;
- };
-
- /** Called to force a previously scheduled redraw for a screen to happen immediately.
- @param aScreen the screen to recieve the event
- @param aObserver reference which will receive a notification when the screen has been updated
- */
- virtual void DoRedrawNow(MWsScreen& aScreen, MScreenUpdateObserver& aObserver) = 0;
-
- /** Callback to use if aObserver gets deleted before screen update takes place. */
- virtual void ClearScreenUpdateObserver(const MScreenUpdateObserver& aObserver) = 0;
-
-protected:
- IMPORT_C void Animate(MWsScreen& aScreen);
- IMPORT_C void Animate(MWsScreen& aScreen, TRequestStatus* aFinished);
- IMPORT_C void Redraw(MWsScreen& aScreen);
- IMPORT_C TBool RedrawInvalid(MWsScreen& aScreen,const TArray<TGraphicDrawerId>& aInvalid);
- };
-
-#endif
\ No newline at end of file