appfw/viewserver/inc/VIEWCLI.H
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 10:12:00 +0200
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// Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#ifndef __VIEWCLI_H__
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#define __VIEWCLI_H__
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#include <e32base.h>
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#include <gdi.h>
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#include <vwsdef.h>
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//
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// Forward declarations.
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//
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class RVwsSession;
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class CVwsSessionEventHandler;
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class MVwsAppStarter;
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class TVwsViewEvent;
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class MVwsSessionWrapperObserver
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/**
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The MVwsSessionObserver specifies an interface through which server events to be handled by the owner of
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a client session are notified
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@publishedAll 
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@deprecated
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*/
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//@internalTechnology @released
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	{
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public:	
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	/**
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	 * Handles the view event aEvent for a view added through the client session being observed.
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	 * Handles events for all the views added by the client.
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	 */
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	virtual void HandleViewEventL(const TVwsViewEvent& aEvent)=0;
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	};
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#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS
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class CVwsSessionWrapper : public CBase
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/**
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The CVwsSessionWrapper class mediates access to the view server client session which it creates, and wraps in
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support for notification of server events. A session observer will be called back with server events if
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it maintains an outstanding request for asynchronous event notification.
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@publishedPartner 
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@released 
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*/
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//@internalTechnology @released
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	{
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public:	
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	IMPORT_C static CVwsSessionWrapper* NewL();
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	IMPORT_C static CVwsSessionWrapper* NewLC();
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	IMPORT_C static CVwsSessionWrapper* NewL(MVwsSessionWrapperObserver& aObserver);
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	IMPORT_C static CVwsSessionWrapper* NewLC(MVwsSessionWrapperObserver& aObserver);
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	IMPORT_C ~CVwsSessionWrapper();
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	IMPORT_C static TInt StartViewServer(MVwsAppStarter& aAppStarter);
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	IMPORT_C TInt ShutdownViewServer();
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	IMPORT_C TInt AddView(const TVwsViewId& aViewId);
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	IMPORT_C TInt RemoveView(const TVwsViewId& aViewId) const;
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	IMPORT_C TInt SetSystemDefaultView(const TVwsViewId& aViewId,TInt aMode);
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	IMPORT_C TInt SetSystemDefaultView(const TVwsViewId& aViewId);
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	IMPORT_C TInt ActivateView(const TVwsViewId& aViewId,TUid aCustomMessageId,const TDesC8& aCustomMessage);
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	IMPORT_C TInt ActivateViewViaViewEvent(const TVwsViewIdAndMessage& aViewIdAndMessage);
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	IMPORT_C TInt RequestCustomMessage(TDes8& aMessageBufPtr) const;
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	IMPORT_C void QueueAsyncRequest();
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	IMPORT_C TInt StartApp(TUid aAppToStart);
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	IMPORT_C TInt DeactivateActiveView();
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	IMPORT_C TInt DeactivateActiveViewIfOwnerMatch();
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	IMPORT_C TInt NotifyNextDeactivation(const TVwsViewId& aViewId);
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	IMPORT_C TInt NotifyNextDeactivation();
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	IMPORT_C TInt NotifyNextActivation(const TVwsViewId& aViewId);
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	IMPORT_C TInt NotifyNextActivation();
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	IMPORT_C TInt SetDefaultView(const TVwsViewId& aViewId,TInt aMode) const;
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	IMPORT_C TInt SetDefaultView(const TVwsViewId& aViewId) const;
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	IMPORT_C TInt GetSystemDefaultView(TVwsViewId& aViewId);
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	IMPORT_C TInt CreateActivateViewEvent(const TVwsViewId& aViewId,TUid aCustomMessageId,const TDesC8& aCustomMessage);
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	IMPORT_C TInt SetClientRequestTimeOut(TTimeIntervalMicroSeconds32 aDuration);
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	IMPORT_C TInt SetServerEventTimeOut(TTimeIntervalMicroSeconds32 aDuration);
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	IMPORT_C TInt EnableServerEventTimeOut(TBool aEnable);
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	IMPORT_C TInt CheckSourceOfViewSwitch(TBool& aResult,const TSecurityPolicy& aSecurityPolicy,const char* aDiagnostic);
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	IMPORT_C TInt EnableServerBlankScreen(TBool aEnable);
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	IMPORT_C TInt EnableExternalViewSwitches(TBool aEnable);
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	IMPORT_C void ActivateView(const TVwsViewId& aViewId,TUid aCustomMessageId,const TDesC8& aCustomMessage, TRequestStatus& aStatus);
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	IMPORT_C TInt SetCrossCheckUid(const TUid& aCrossCheckUid);
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	IMPORT_C TInt SetWindowBackgroundColor(const TRgb& aBgColor);
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public:	
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	/**
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	@internalComponent
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	@released
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	*/
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	IMPORT_C TInt ActivateView(const TVwsViewId& aViewId,TUid aCustomMessageId,const TDesC8& aCustomMessage, TInt aCustomControl);
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	/**
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	@internalComponent
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	@released
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	*/
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	IMPORT_C void ActivateView(const TVwsViewId& aViewId,TUid aCustomMessageId,const TDesC8& aCustomMessage, TRequestStatus& aStatus, TInt aCustomControl);
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	/**
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	@internalComponent
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	@released
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	*/IMPORT_C TInt CreateActivateViewEvent(const TVwsViewId& aViewId,TUid aCustomMessageId,const TDesC8& aCustomMessage, TInt aCustomControl);
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	/**
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	@internalComponent
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	@released
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	*/
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	IMPORT_C TInt GetCurrentActiveViewInSystem(TVwsViewId& aActiveViewId);
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private:
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	CVwsSessionWrapper();
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	CVwsSessionWrapper(MVwsSessionWrapperObserver& aObserver);
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	void ConstructL();
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	TInt CheckCreateViewServerSession();
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	TBool IsSchedulerRunning();
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private:
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	RVwsSession* iVwsSession;
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	CVwsSessionEventHandler* iViewEventHandler;
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	MVwsSessionWrapperObserver* iObserver;
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	};
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//
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// Panic.
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//
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/**
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@internalComponent
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*/
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enum TVwsPanic
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	{
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	EVwsCreateScheduler=1,
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	EVwsThreadRename
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	};
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/**
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@internalComponent
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*/
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GLREF_C void Panic(TVwsPanic aPanic);
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/**
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Server thread start.
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@internalComponent
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*/
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GLDEF_C TInt ViewServerThreadStart(TAny* aPtr);
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/**
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@internalComponent
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*/
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struct SVwsCommandLine
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	{
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	MVwsAppStarter* iAppStarter;
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	};
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#endif //SYMBIAN_ENABLE_SPLIT_HEADERS
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#endif
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