class CWsGraphic : public CBase;
Description
Client representation of a window-server-side piece of artwork owned by this Client
Derivation
CBase
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Base class for all classes to be instantiated on the heap.
CWsGraphic
- Client representation of a window-server-side piece of artwork owned by this Cli...
Members
Defined in CWsGraphic
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Inherited from CBase
:
Construction and destruction
protected: IMPORT_C CWsGraphic();
Description
Default Constructor.
IMPORT_C ~CWsGraphic();
Description
Destructor.
BaseConstructL(TUid,TUid,const TDesC8 &)
protected: IMPORT_C void BaseConstructL(TUid aUid, TUid aType, const TDesC8 &aData);
Description
Constructs a piece of non-transient graphic artwork.
Parameters
TUid aUid |
Graphic artwork UID.
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TUid aType |
Graphic artwork type.
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const TDesC8 &aData |
User specific data.
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BaseConstructL(TUid,const TDesC8 &)
protected: IMPORT_C void BaseConstructL(TUid aType, const TDesC8 &aData);
Description
Constructs a piece of transient graphic artwork.
Parameters
TUid aType |
Graphic artwork type.
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const TDesC8 &aData |
User specific data.
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BaseConstructL(const TWsGraphicId &,TUid,const TDesC8 &)
protected: IMPORT_C void BaseConstructL(const TWsGraphicId &aReplace, TUid aType, const TDesC8 &aData);
Description
Atomically replace the artwork that already exists with this artwork. If failure to properly construct the replacement artwork
occurs, the replacee artwork will remain
Parameters
const TWsGraphicId &aReplace |
Graphic artwork which will be replaced.
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TUid aType |
New graphic artwork type.
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const TDesC8 &aData |
User specific data.
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protected: IMPORT_C virtual TInt ShareGlobally();
Description
Shares the graphic artwork with all the client sessions. Sharing globally trumps explicit shares.
Return value
TInt
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KErrNone if the graphic is globally shared, else one of the system-wide error codes.
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protected: IMPORT_C virtual TInt Share(TSecureId aClientId);
Description
Explicitly shares this graphic artwork with client sessions with the specified Secure ID.
Parameters
TSecureId aClientId |
the Secure ID of the client sessions to share with.
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Return value
TInt
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KErrNone If the graphic artwork was shared, else one of the system-wide error codes.
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protected: IMPORT_C virtual TInt UnShare(TSecureId aClientId);
Description
Stops this graphic artwork from being shared with all client sessions with the specific Secure ID. CWsGraphic::ShareGlobally()
trumps explicit sharing.
Parameters
TSecureId aClientId |
the Secure ID of the client sessions to not share with
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Return value
TInt
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KErrNone if the graphic artwork is no longer shared, KErrNotFound if the graphic was not shared anyway, else one of the system-wide
error codes
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protected: IMPORT_C virtual TInt UnShareGlobally();
Description
Prevents this graphic artwork from being shared with all the client sessions. A graphic artwork that isn't shared explicitly
is only available to clients it has been explicitly shared with using CWsGraphic::Share(TSecureId)
.
Return value
TInt
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KErrNone if the graphic is not globally shared, else one of the system-wide error codes.
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IMPORT_C const TWsGraphicId& Id() const;
Description
Returns graphic artwork Id.
Return value
const TWsGraphicId & |
Graphic artwork Id. KNullWsGraphicId if graphic artwork is not active.
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IMPORT_C TBool IsActive() const;
Description
Checks whether a peer of this graphic artwork has been fully constructed on the server.
Return value
TBool
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ETrue if this graphic artwork has a peer CWsGraphic on the server.
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IMPORT_C void Destroy();
Description
Destroys the corresponding CWsGraphicDrawer
instance on the server
SendMessage(const TDesC8 &)const
protected: IMPORT_C void SendMessage(const TDesC8 &aData) const;
Description
Sends message to this graphic artwork peer on the server.
Parameters
SendSynchronMessage(const TDesC8 &)const
protected: IMPORT_C TInt SendSynchronMessage(const TDesC8 &aData) const;
Description
Parameters
Return value
protected: IMPORT_C TInt Flush() const;
Description
Flushes window server command buffer
Return value
TInt
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One of system-wide error codes.
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SetGraphicExtension(MWsObjectProvider *)
protected: IMPORT_C void SetGraphicExtension(MWsObjectProvider *aExt);
Description
Parameters
HandleMessage(const TDesC8 &)
private: virtual void HandleMessage(const TDesC8 &aData)=0;
Description
Handles message from this graphic artwork peer on the server.
Parameters
const TDesC8 &aData |
Message from peer CWsGraphicDrawer .
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private: virtual void OnReplace()=0;
Description
Handles custom operation when this graphic artwork is replaced. When this method is invoked, the replaced peer CWsGraphicDrawer
on the server has been destroyed.
private: IMPORT_C virtual void OnClientClose();
Description
Derived class can override this method to provide custom operations when the client is closed.
private: IMPORT_C virtual TInt CWsGraphic_Reserved1();
Description
Return value
private: IMPORT_C virtual TInt CWsGraphic_Reserved2();
Description
Return value
private: IMPORT_C virtual TInt CWsGraphic_Reserved3();
Description
Return value