author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 27 Apr 2010 16:30:29 +0300 | |
branch | RCL_3 |
changeset 14 | 04becd199f91 |
child 24 | 6c158198356e |
permissions | -rw-r--r-- |
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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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#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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100 |
*/ |
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virtual TBool MidletAttributeContainsVal(const TDesC& aAttributeName, const TDesC& aAttributeValue); |
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102 |
|
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virtual void SetCanvasAssumedSize(const TSize& aSize); |
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104 |
|
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105 |
// |
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virtual void AddObserverL(MMIDEnvObserver& aObserver); |
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virtual void RemoveObserver(MMIDEnvObserver& aObserver); |
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108 |
// |
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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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112 |
|
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113 |
/** |
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* @see MMIDEnv#ReserveCanvasFrameBuffer() |
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115 |
*/ |
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virtual CFbsBitmap* ReserveCanvasFrameBufferL(MMIDCanvas& aCanvas, const TSize& aSz); |
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117 |
|
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118 |
/** |
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* @see MMIDEnv#ReleaseCanvasFrameBuffer() |
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120 |
*/ |
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virtual void ReleaseCanvasFrameBuffer(MMIDCanvas& aCanvas, CFbsBitmap*& aFrameBuffer); |
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122 |
|
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123 |
/** |
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* @see MMIDEnv#CanvasHasBackground() |
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125 |
*/ |
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virtual TBool CanvasHasBackground(const MMIDCanvas& aCanvas) const; |
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127 |
|
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128 |
/** |
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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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133 |
*/ |
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virtual void MappingDataForKey(TKeyEvent& aEvent, TEventCode aType); |
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135 |
|
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136 |
/** |
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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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140 |
*/ |
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virtual void SetLastKeyEvent(const TKeyEvent& aEvent); |
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142 |
|
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143 |
/** |
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* From MMIDEnv. |
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* Gets an instance of ToLcduiObserver. |
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146 |
* |
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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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150 |
*/ |
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virtual MMIDToLcduiObserver& ToLcduiObserver(); |
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152 |
|
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#ifdef RD_JAVA_NGA_ENABLED |
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154 |
/** |
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* @see MMIDEnv#IsHardwareAccelerated() |
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156 |
*/ |
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virtual TBool IsHardwareAcceleratedL( |
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MMIDEnv::THardwareType aHardwareType = MMIDEnv::EHardware3D); |
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159 |
|
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160 |
private: |
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161 |
/** |
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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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165 |
*/ |
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TInt InitHardwareStatusL(); |
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167 |
|
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#endif // RD_JAVA_NGA_ENABLED |
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169 |
|
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170 |
|
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171 |
private: |
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172 |
/** |
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* Encapsulated canvas (frame buffer) data |
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174 |
*/ |
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struct TCanvasData |
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176 |
{ |
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177 |
|
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178 |
/** |
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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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183 |
{ |
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184 |
} |
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185 |
|
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186 |
/** |
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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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199 |
}; |
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200 |
|
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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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/** |
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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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|
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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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|
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private: |
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enum {EGranularity = 4}; |
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|
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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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|
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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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/** |
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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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|
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#ifdef RD_JAVA_NGA_ENABLED |
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TInt iHardwareStatus; |
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#endif // RD_JAVA_NGA_ENABLED |
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}; |
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|
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#endif // CMIDENV_H |