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MTsFastSwapPreviewObserver Class Reference

class MTsFastSwapPreviewObserver

Observer for preview screenshot changes. Client must implement this and register itself when calling CTsFastSwapPreviewProvider::NewL . Callback methods are called whenever there is a new preview screenshot taken from the applications or when an application is exited.

CTsFastSwapPreviewProvider

Public Member Functions
void	HandleFswPpApplicationBitmapRotation ( TInt , TBool )
void	HandleFswPpApplicationChange ( TInt , TInt )
void	HandleFswPpApplicationUnregistered ( TInt )

Member Functions Documentation

HandleFswPpApplicationBitmapRotation(TInt, TBool)

void	HandleFswPpApplicationBitmapRotation	(	TInt	aWgId,
			TBool	aClockwise
		)	[pure virtual]

Called when screenshot for the application needs rotation. Client should rotate bitmap for the given aWgId by 90 degrees, otherwise it will be displayed incorrectly.

Parameters

TInt aWgId	Window group id of the application
TBool aClockwise	marks direction of the rotation (ETrue - clockwise, EFalse - counter clockwise)

HandleFswPpApplicationChange(TInt, TInt)

void	HandleFswPpApplicationChange	(	TInt	aWgId,
			TInt	aFbsHandle
		)	[pure virtual]

Called when application has changed and screenshot has been taken. New sceenshots will be taken and provided to the client via this callback every time the application goes to background.

Parameters

TInt aWgId	Window group id of the application.
TInt aFbsHandle	Handle to screenshot CFbsBitmap.

HandleFswPpApplicationUnregistered(TInt)

void

HandleFswPpApplicationUnregistered

(

TInt

aWgId

)

[pure virtual]

Called when application has been exited. Client can free the resources related to aWgId (for example a copied bitmap) since the application is no more running.

Parameters

TInt aWgId

Window group id of the application.