author | William Roberts <williamr@symbian.org> |
Fri, 12 Nov 2010 11:42:24 +0000 | |
branch | RCL_3 |
changeset 66 | 8ee165fddeb6 |
parent 52 | 31fccae4f8a7 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2006 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: Server session base class |
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* |
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*/ |
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|
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|
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|
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#ifndef C_ALFAPPSRVSESSIONBASE_H |
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#define C_ALFAPPSRVSESSIONBASE_H |
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|
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#include <AknServerApp.h> |
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#include <alf/alfappserver.h> |
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#include <alf/alfred.hrh> |
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#include <alf/alfextensionfactory.h> |
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#include <alf/alfconstants.h> |
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|
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#include <uiacceltk/HuiEnv.h> |
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|
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class CAlfAppServer; |
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class CAlfAppUi; |
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class CCoeControl; |
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class CAlfSrvSubSessionBase; |
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class CHuiControlGroup; |
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|
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// For window server visibility notifications |
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class MWindowVisibilityObserver |
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{ |
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public: |
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virtual void WindowFullyVisible() = 0; |
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virtual void WindowPartiallyVisible() = 0; |
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virtual void WindowNotVisible() = 0; |
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virtual CCoeControl* CoeControl() = 0; |
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}; |
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NONSHARABLE_CLASS(CAlfClientMessage):public CBase |
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{ |
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public: |
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static CAlfClientMessage* NewLC(TInt aSubsessionIdentifier, const RMessage2& aMessage) |
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{ |
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CAlfClientMessage* me = new (ELeave) CAlfClientMessage(); |
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me->iSubSession = aSubsessionIdentifier; |
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me->iMessage = aMessage; |
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CleanupStack::PushL(me); |
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return me; |
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} |
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~CAlfClientMessage() |
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{ |
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if (!iMessage.IsNull()) |
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{ |
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iMessage.Complete(KErrCancel); |
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} |
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delete iInBuf; |
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delete iOutBuf; |
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delete iReplyPtr; |
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} |
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void CompleteMessageD(TInt aError) |
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{ |
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if (aError == KErrNone) |
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{ |
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aError = iMessage.Write(2,*iOutBuf); |
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} |
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iMessage.Complete(aError); |
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delete this; |
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} |
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void SetClientParams(const TInt2& aParams) |
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{ |
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iDecodedOp = aParams.iInt1; |
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iClientId = aParams.iInt2; |
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} |
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static TBool Compare(const TInt* aValue, const CAlfClientMessage& aStruct) |
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{ |
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return (*aValue == aStruct.iClientId); |
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} |
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TPtr8& ReplyBufAsTDes8() |
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{ |
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__ASSERT_ALWAYS(iOutBuf, User::Invariant()); |
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if (!iReplyPtr) |
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{ |
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iReplyPtr = new (ELeave) TPtr8(iOutBuf->Des()); |
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} |
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return *iReplyPtr; |
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} |
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101 |
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public: |
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HBufC8* iInBuf; |
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HBufC8* iOutBuf; |
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TInt iSubSession; |
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TBool iIsAsync; |
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TInt iClientId; |
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TInt iDecodedOp; |
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RMessagePtr2 iMessage; |
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TPtr8* iReplyPtr; |
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}; |
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/** |
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* Session/service class in the server side. |
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* |
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* @since S60 v3.2 |
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*/ |
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class CAlfAppSrvSessionBase : public CAknAppServiceBase, public MAlfInterfaceProvider |
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{ |
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public: |
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/** |
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* Default constructor, stores pointer to server instance |
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* |
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* @param aServer Server which the client has connected. |
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*/ |
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IMPORT_C CAlfAppSrvSessionBase(const CAlfAppServer* aServer); |
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/** |
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* Default constructor, fetches and stores pointer to server instance using ccoestatic |
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*/ |
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IMPORT_C CAlfAppSrvSessionBase(); |
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/** |
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* Destructor, singals server to free resources specific for this client |
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*/ |
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IMPORT_C ~CAlfAppSrvSessionBase(); |
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// new methods |
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/** |
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* From CAlfAppSrvSessionBase |
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* Called when a message is received from the client. |
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* |
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* @param aMessage Message parameters. |
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*/ |
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virtual void DoHandleCommandL(const RMessage2& aMessage) = 0; |
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|
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/** |
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* Gets the drawing area of the session |
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* |
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* @return TRect of the drawing area |
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*/ |
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IMPORT_C virtual TRect ClientDrawingArea() const; |
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/** |
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* From CAlfAppSrvSessionBase |
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* Client's window group received focus. |
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* |
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* @param aDoTransitionEffect Do fade in transision (RnD) |
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*/ |
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IMPORT_C virtual void FocusGainedL( TBool aDoTransitionEffect ); |
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/** |
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* From CAlfAppSrvSessionBase |
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* Client's window group lost focus. |
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* |
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* @param aDoTransitionEffect Do fade out transision (RnD) |
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* @return Did transition? (RnD) |
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*/ |
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IMPORT_C virtual TBool FocusLostL( TBool aDoTransitionEffect ); |
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// have to create new extension mechanism as CApaAppServiceBase breaks the chain |
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// by defining CBase's ExtensionInterface() as private |
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IMPORT_C virtual void ExtensionInterfaceL(TUid aInterfaceId, TAny*& aImplementation); |
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/** |
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* Ecom implementation for specific factory has been removed |
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* Close all subsessions referring to that |
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*/ |
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IMPORT_C virtual void FactoryDestroyed(TInt aFactoryUid); |
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/** |
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* Returns the preferred window group position of the session. |
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* |
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* @return Preferred position. |
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*/ |
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IMPORT_C virtual CAlfAppServer::TAlfWGPostion PreferredWindowGroupPosition() const; |
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/** |
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* Returns the preferred refresh mode of the session. |
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* |
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* @return Preferred refresh mode. |
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*/ |
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IMPORT_C virtual THuiRefreshMode PreferredRefreshMode() const; |
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// for convenience, to avoid CCoeStatic |
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IMPORT_C CAlfAppServer* AlfServer(); |
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IMPORT_C CAlfAppUi* AlfAppUi(); |
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public: // from MAlfInterfaceProvider |
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IMPORT_C TAny* GetInterfaceL(const THuiInterfaceSupport& aType, TInt aHandle); |
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IMPORT_C TInt GetHandleFromInterface(const THuiInterfaceSupport& aType, TAny* aInterface); |
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IMPORT_C CAlfLayoutManager* LayoutManager() const; |
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IMPORT_C CHuiEnv* SharedHuiEnv() const; |
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IMPORT_C TInt HandleCurrentCommanndAsynch(); |
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IMPORT_C void CompleteCmd(TInt aCommadIdentifier, TInt aResult); |
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IMPORT_C void AlfInterfaceProviderExtension(const TUid& aExtensionUid, TAny** aExtensionParams); |
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public: // utilities |
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/** |
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* From CAlfAppSrvSessionBase |
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* Returns the client's window group id. |
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* |
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* @return Wg ID. KErrNotFound if not set. |
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*/ |
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TInt ClientWindowGroup() const; |
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/** |
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* Sets the window group ID. |
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* Server uses this information to calculate its screen position in Symbian window tree |
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* |
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* @param aId Wg ID |
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*/ |
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IMPORT_C void SetClientWindowGroupId(TInt aId); |
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/** |
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* Finds all the subsession which implement the interface. |
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* |
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* @param aArray Array which the function fills of subsession on return. |
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* @param aType Type of the interface that we are looking for. |
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*/ |
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void GetSubsessionsByTypeL( RPointerArray<CAlfSrvSubSessionBase>& aArray, const THuiInterfaceSupport& aType ); |
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// Closes the subsession |
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void CloseSubSession( const RMessage2& aMessage ); |
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/** |
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* Returns ETrue if this session owns specified subsession handle. |
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* @param aHandle subsession handle to be checked. |
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* @return ETrue if subsession exists, EFalse otherwise. |
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*/ |
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TBool HasSession( TInt aSubSessionHandle ) const; |
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// Returns subsession basd on the handle |
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CAlfSrvSubSessionBase& SubSession( TInt aSubSessionHandle ); |
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CAlfClientMessage* CreateNewMessageHolderL(const RMessage2& aMessage); |
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void HandleEventL(TAny* aCtrlPtr, TAny* aVisualPtr, const THuiEvent& aEvent); |
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void StartPointerHandling(); |
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void FlushPointerHandling(); |
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void TriggerPointerEvent(const RMessage2* aMessage); |
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void CancelPointerEvents(); |
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// Methods for sending general system events to clients |
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void GetSystemEvents(const RMessage2* aMessage); |
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void TriggerSystemEvent(TInt aEvent); |
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void CancelSystemEvents(); |
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// embedded apps support |
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void SetParentWindowGroupId(TInt aParentId); |
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TInt ParentWindowGroupId(); |
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void ResetRootlayerTransformationsL(); |
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/** |
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* Sets session's max fps limiter to half, used if client's window does not have keyboard focus |
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* @param aOnBackground use lowered max fps (ETrue/EFalse) |
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*/ |
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virtual void SetBackgroundMaxFps( TBool /*aOnBackground*/ ) {}; //empty implementation for base class. |
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//RnD |
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void ActivateContainerLayoutL(TBool aActivate); |
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protected: // new methods |
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// must be called from derived class to complete the construction |
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IMPORT_C void BaseConstructL(); |
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protected: // internal utilities |
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// Checks if the function is meant for subsession creation |
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TBool IsSubSessionCreationFunction(const RMessage2& aMessage) const; |
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// creates subsession |
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CAlfSrvSubSessionBase* CreateSubSessionLC(const RMessage2& aMessage); |
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TUint SecureId(); |
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protected: // from baseclasses |
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IMPORT_C void ServiceError(const RMessage2& aMessage,TInt aError); |
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IMPORT_C TInt CountResources(); |
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IMPORT_C void Disconnect(const RMessage2& aMessage); |
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/** ! CSession2 */ |
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IMPORT_C TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1); |
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private: |
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/** |
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* From CAknAppServiceBase. |
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* Called by the framework when a client requests a sevice. |
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* |
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* @param aMessage Client's message. |
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*/ |
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IMPORT_C void ServiceL(const RMessage2& aMessage); |
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TBool DoSubSessionCmdL(const RMessage2& aMessage); |
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void CloseSubSession(TInt aHandle); |
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private: // data |
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CAlfAppServer* iHost; // stores pointer to server instance |
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// (we could utilise CSession2::Server() for this functionality, but just for sake of simplicity) |
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class TPrivateData; |
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TPrivateData* iData; |
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}; |
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#endif // C_ALFAPPSRVSESSIONBASE_H |