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/*
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* Copyright (c) 2002 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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*/
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#ifndef CMIDENV_H
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#define CMIDENV_H
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#include <e32def.h>
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#include <lcdui.h>
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class CMIDKeyTranslator;
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class CMIDToolkit;
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class CMIDToLcduiObserver;
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/**
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*
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* A MIDlet environment, one per MIDlet, providing utility methods for the
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* MIDP implementation
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*
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*/
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class CMIDEnv : public CBase, public MMIDEnv
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{
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public:
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CMIDEnv(CMIDToolkit* aToolkit, const TSize& aSize);
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void ConstructL();
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~CMIDEnv();
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void SetUtils(MMIDUtils* aUtils);
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public:
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virtual TBool PostJavaEvent(MMIDComponent& aSource,TSourceType aSourceType,TEventType aEventType,TInt aEventData,TInt aEventData1,TInt aEventData2);
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virtual TBool PostJavaEvent(MMIDComponent& aSource,TSourceType aSourceType,TEventType aEventType=ENoType,TInt aEventData=0);
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virtual TBool PostJavaEvent(MMIDComponent& aSource,TSourceType aSourceType,TInt aEventData);
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virtual TBool PostMidletEvent(TEventType aEventType);
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virtual MMIDNotifyEvent* NewNotifyL(MMIDComponent& aSource);
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virtual TBool PostJavaNotify(MMIDNotifyEvent* aNotify);
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virtual TBool TranslateKeyL(TMIDKeyEvent& aEvent, const TKeyEvent&, TEventCode aType);
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virtual TBool PostKeyEvent(MMIDComponent& aSource, TMIDKeyEvent& aEvent);
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virtual void ResetKeys();
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virtual MMIDDisplayable* Current();
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virtual TPtrC MidletName() const;
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virtual TUid MidletUid() const;
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virtual TPtrC MidletHome() const;
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virtual void DisplayableIsDestructed(const MMIDDisplayable* displayable);
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const MMIDDisplayable* LastFullscreenDisplayable() const;
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#ifdef RD_SCALABLE_UI_V2
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// This function can be moved out from RD_SCALABLE_UI_V2 flag if needed.
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// It is behind this flag because currently it is used only by Touch.
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/**
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* Returns MIDlet Suite uid that is parsed from the MIDlet home path.
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* In practise this function assumes that the midlet home path includes
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* Midlet suite uid inside the brackets, for example:
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* "e:\epoc32\winscw\c\private\102033E6\MIDlets\[101e0a27]"
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*
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* Note:
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* MIDlet suite uid could be retrieved from the Java registry based on
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* the midlet uid. But that operation is very time consuming because it
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* requires lot of file accessing, especially when there are many midlets
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* installed in the device.
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* @since S60 5.0
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* @return TUid iMidletSuiteUid or
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* KNullUidValue if midlet suite uid not found or error occured.
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*/
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TUid MidletSuiteUid();
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#endif //RD_SCALABLE_UI_V2
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virtual TInt NumColors();
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virtual TDisplayMode DisplayMode();
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virtual void SetCanvasZoomSize(const TSize& aSize);
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virtual TSize CanvasZoomSize();
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virtual TSize CanvasAssumedSize();
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virtual TInt MidletAttribute(const TDesC& aAttributeName, TPtrC& aAttributeValue);
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/**
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* @see MMIDEnv#MidletAttributeIsSetToVal()
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*/
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virtual TBool MidletAttributeIsSetToVal(const TDesC& aAttributeName, const TDesC& aAttributeValue);
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/**
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* @see MMIDEnv#MidletAttributeContainsVal()
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*/
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virtual TBool MidletAttributeContainsVal(const TDesC& aAttributeName, const TDesC& aAttributeValue);
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virtual void SetCanvasAssumedSize(const TSize& aSize);
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//
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virtual void AddObserverL(MMIDEnvObserver& aObserver);
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virtual void RemoveObserver(MMIDEnvObserver& aObserver);
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//
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void HandleSwitchOnL(TBool aSwitchOn);
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void HandleForegroundL(TBool aForeground);
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void HandleResourceChangeL(TInt aType);
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/**
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* @see MMIDEnv#ReserveCanvasFrameBuffer()
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*/
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virtual CFbsBitmap* ReserveCanvasFrameBufferL(MMIDCanvas& aCanvas, const TSize& aSz);
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/**
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* @see MMIDEnv#ReleaseCanvasFrameBuffer()
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*/
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virtual void ReleaseCanvasFrameBuffer(MMIDCanvas& aCanvas, CFbsBitmap*& aFrameBuffer);
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/**
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* @see MMIDEnv#CanvasHasBackground()
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*/
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virtual TBool CanvasHasBackground(const MMIDCanvas& aCanvas) const;
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/**
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* Maps low level key event
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* @param aMidKeyEvent key event output data
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* @param aEvent key event input data
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* @see virtual void MMIDEnv::MappingDataForKey( TKeyEvent& aEvent );
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*/
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virtual void MappingDataForKey(TKeyEvent& aEvent, TEventCode aType);
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/**
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* Set last key event
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* @param aEvent key event input data
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* @see virtual void MMIDEnv::SetLastKeyEvent( const TKeyEvent& aEvent );
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*/
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virtual void SetLastKeyEvent(const TKeyEvent& aEvent);
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/**
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* From MMIDEnv.
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* Gets an instance of ToLcduiObserver.
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*
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* @since S60 5.0
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* @return Pointer to ToLcduiObserver instance
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* @see iToLcduiObserver
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*/
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virtual MMIDToLcduiObserver& ToLcduiObserver();
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#ifdef RD_JAVA_NGA_ENABLED
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/**
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* @see MMIDEnv#IsHardwareAccelerated()
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*/
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virtual TBool IsHardwareAcceleratedL(
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MMIDEnv::THardwareType aHardwareType = MMIDEnv::EHardware3D);
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/**
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* @see MMIDEnv#HandleFullOrPartialForegroundL()
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*/
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virtual void HandleFullOrPartialForegroundL(TBool aFullOrPartialFg);
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/**
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* @see MMIDEnv#HandleFreeGraphicsMemory()
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*/
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virtual void HandleFreeGraphicsMemory();
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/**
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* @see MMIDEnv#HasFullOrPartialForeground()
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*/
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virtual TBool HasFullOrPartialForeground() const;
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private:
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/**
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* Checks and initializes 2D & 3D harware status
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* @return Hardware status @see MMIDEnv::THardwareType
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* @since S60 9.2
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*/
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TInt InitHardwareStatusL();
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#endif // RD_JAVA_NGA_ENABLED
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private:
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/**
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* Encapsulated canvas (frame buffer) data
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*/
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struct TCanvasData
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{
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/**
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* Ctor
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*/
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TCanvasData()
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: iRefCount(0), iFrameBuffer(NULL), iHasBackground(EFalse)
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{
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}
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/**
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* Reset frame buffer data
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*/
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inline void Reset()
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{
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delete iFrameBuffer;
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iFrameBuffer = NULL;
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iRefCount = 0;
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}
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TUint iRefCount;
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CFbsBitmap* iFrameBuffer;
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TBool iHasBackground;
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RMutex iLock;
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};
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/**
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* Autolocker class.
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*/
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class TMutexAutoLock
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{
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public:
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/**
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* Ctor
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* @param aLock Syncronization primitive that is locked during construction
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*/
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TMutexAutoLock(RMutex* aLock) : iLock(aLock)
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{
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iLock->Wait();
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}
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/**
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* Dtor. Signals the synchronization primitive
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*/
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~TMutexAutoLock()
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{
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iLock->Signal();
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}
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private:
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RMutex* iLock;
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};
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/**
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* Create a frame buffer for a <code>MMIDCanvas</code> instance.
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* @param aCanvas Target canvas
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* @param aWsBitmap If <code>ETrue</code> then the type of the frame buffer
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* will be <code>WsBitmap</code> instead of a <code>CFbsBitmap</code>.
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* @param aSz Frame buffer size
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* @return Frame buffer instance
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* @since S60 5.0
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*/
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CFbsBitmap* CreateCanvasFrameBufferL(
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MMIDCanvas& aCanvas, TBool aWsBitmap, const TSize& aSz);
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private:
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enum {EGranularity = 4};
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private:
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CMIDToolkit* iToolkit;
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RArray<MMIDEnvObserver*> iObservers;
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CMIDKeyTranslator* iKeyTranslator;
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TSize iCanvasAssumedSize;
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TSize iCanvasZoomSize;
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TCanvasData iCanvasData;
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#ifdef RD_SCALABLE_UI_V2
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// MIDlet suite uid
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TUid iMidletSuiteUid;
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#endif //RD_SCALABLE_UI_V2
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/**
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* Provides possibility to make calls from non-LCDUI threads
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* to LCDUI ES thread.
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* Own.
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*/
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CMIDToLcduiObserver* iToLcduiObserver;
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#ifdef RD_JAVA_NGA_ENABLED
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TInt iHardwareStatus;
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TBool iFullOrPartialFg;
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#endif // RD_JAVA_NGA_ENABLED
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};
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#endif // CMIDENV_H
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