--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fep/frontendprocessor/test/src/FepSwitch.cpp	Tue Feb 02 01:02:04 2010 +0200
@@ -0,0 +1,420 @@
+// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include <e32std.h>
+#include <e32keys.h>
+#include <centralrepository.h>
+#include <w32std.h>
+#include <coedef.h>
+#include <fepbase.h>
+#include <apgwgnam.h>
+#include <graphics/cone/coedefkeys.h>
+
+class CFepKeyDataListener;
+
+const TUid KFepSwitchAppUid = {0xfabbabba}; // fake uid
+
+// class definitions
+
+class CFepSwitcher : public CActive
+	{
+public:
+	static CFepSwitcher* NewLC();
+	virtual ~CFepSwitcher();
+	void SetOnOrOffKeyDataL(TInt aError, const TFepOnOrOffKeyData& aNewKeyData, TInt32 CFepSwitcher::* aCaptureKeyHandleOrError, TFepOnOrOffKeyData CFepSwitcher::* aKeyDataToAssignTo);
+	void RetryFailedKeyCaptures(TBool& aNeedFurtherRetry);
+private:
+	class CRetryOnError : public CTimer
+		{
+	public:
+		static CRetryOnError* NewL(CFepSwitcher& aFepSwitcher);
+		virtual ~CRetryOnError();
+		void Activate();
+	private:
+		CRetryOnError(CFepSwitcher& aFepSwitcher);
+		void DoActivate();
+		// from CActive (via CTimer)
+		virtual void RunL();
+	private:
+		CFepSwitcher& iFepSwitcher;
+		TInt iRetryCount;
+		};
+private:
+	CFepSwitcher();
+	void ConstructL();
+	void Queue();
+	static TBool MatchesKeyData(const TKeyEvent& aKeyEvent, const TFepOnOrOffKeyData& aKeyData);
+	// from CActive
+	virtual void DoCancel();
+	virtual void RunL();
+private:
+	TUint iFlags;
+	TInt32 iOnKey_CaptureKeyHandleOrError;
+	TInt32 iOffKey_CaptureKeyHandleOrError; // a capture-key handle
+	RWsSession iWsSession;
+	RWindowGroup iWindowGroup;
+	CFepGenericGlobalSettings* iFepGenericGlobalSettings;
+	CRetryOnError* iRetryOnError;
+	TFepOnOrOffKeyData iOnKeyData;
+	TFepOnOrOffKeyData iOffKeyData;
+	CFepKeyDataListener* iFepKeyDataListener_OnKey;
+	CFepKeyDataListener* iFepKeyDataListener_OffKey;
+	};
+
+class CFepKeyDataListener : public CActive
+	{
+public:
+	static CFepKeyDataListener* NewLC(CFepSwitcher& aFepSwitcher, TUint32 aRepositoryKeyMask_OnOrOff, TInt32 CFepSwitcher::* aCaptureKeyHandleOrError, TFepOnOrOffKeyData CFepSwitcher::* aKeyDataToAssignTo);
+	virtual ~CFepKeyDataListener();
+private:
+	CFepKeyDataListener(CFepSwitcher& aFepSwitcher, TUint32 aRepositoryKeyMask_OnOrOff, TInt32 CFepSwitcher::* aCaptureKeyHandleOrError, TFepOnOrOffKeyData CFepSwitcher::* aKeyDataToAssignTo);
+	void ConstructL();
+	void SetFepSwitcherL();
+	void Queue();
+	// from CActive
+	virtual void DoCancel();
+	virtual void RunL();
+private:
+	CFepSwitcher& iFepSwitcher;
+	const TUint32 iRepositoryKeyMask_OnOrOff;
+	CRepository* iRepository;
+	TInt32 CFepSwitcher::* const iCaptureKeyHandleOrError;
+	TFepOnOrOffKeyData CFepSwitcher::* const iKeyDataToAssignTo;
+	};
+
+// CFepSwitcher
+
+CFepSwitcher* CFepSwitcher::NewLC()
+	{
+	CFepSwitcher* const self=new(ELeave) CFepSwitcher;
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	return self;
+	}
+
+CFepSwitcher::~CFepSwitcher()
+	{
+	Cancel();
+	if (iWindowGroup.WsHandle()!=0)
+		{
+		if (iOnKey_CaptureKeyHandleOrError>0)
+			{
+			iWindowGroup.CancelCaptureKey(iOnKey_CaptureKeyHandleOrError);
+			}
+		if (iOffKey_CaptureKeyHandleOrError>0)
+			{
+			iWindowGroup.CancelCaptureKey(iOffKey_CaptureKeyHandleOrError);
+			}
+		iWindowGroup.Close();
+		}
+	iWsSession.Close();
+	delete iFepGenericGlobalSettings;
+	delete iRetryOnError;
+	delete iFepKeyDataListener_OnKey;
+	delete iFepKeyDataListener_OffKey;
+	}
+
+void CFepSwitcher::SetOnOrOffKeyDataL(TInt aError, const TFepOnOrOffKeyData& aNewKeyData, TInt32 CFepSwitcher::* aCaptureKeyHandleOrError, TFepOnOrOffKeyData CFepSwitcher::* aKeyDataToAssignTo)
+	{
+	// change the state of this object
+	TInt32& captureKeyHandleOrError=this->*aCaptureKeyHandleOrError;
+	TInt32 captureKeyToCancel=0;
+	if (aError!=KErrNone)
+		{
+		captureKeyToCancel=captureKeyHandleOrError;
+		captureKeyHandleOrError=0;
+		}
+	else if (this->*aKeyDataToAssignTo!=aNewKeyData)
+		{
+		this->*aKeyDataToAssignTo=aNewKeyData;
+		captureKeyToCancel=captureKeyHandleOrError;
+		captureKeyHandleOrError=iWindowGroup.CaptureKey(aNewKeyData.CharacterCodeForFoldedMatch(), aNewKeyData.ModifierMask(), aNewKeyData.ModifierValues());
+		}
+	if (captureKeyToCancel>0)
+		{
+		iWindowGroup.CancelCaptureKey(captureKeyToCancel);
+		}
+
+	// kick-off or stop iRetryOnError, if need be
+	if ((iOnKey_CaptureKeyHandleOrError>=0) && (iOffKey_CaptureKeyHandleOrError>=0))
+		{
+		iRetryOnError->Cancel();
+		}
+	else if (!iRetryOnError->IsActive())
+		{
+		iRetryOnError->Activate();
+		}
+	}
+
+void CFepSwitcher::RetryFailedKeyCaptures(TBool& aNeedFurtherRetry)
+	{
+	__ASSERT_DEBUG((iOnKey_CaptureKeyHandleOrError<0) || (iOffKey_CaptureKeyHandleOrError<0), User::Invariant());
+	if (iOnKey_CaptureKeyHandleOrError<0)
+		{
+		iOnKey_CaptureKeyHandleOrError=iWindowGroup.CaptureKey(iOnKeyData.CharacterCodeForFoldedMatch(), iOnKeyData.ModifierMask(), iOnKeyData.ModifierValues());
+		}
+	if (iOffKey_CaptureKeyHandleOrError<0)
+		{
+		iOffKey_CaptureKeyHandleOrError=iWindowGroup.CaptureKey(iOffKeyData.CharacterCodeForFoldedMatch(), iOffKeyData.ModifierMask(), iOffKeyData.ModifierValues());
+		}
+	aNeedFurtherRetry=((iOnKey_CaptureKeyHandleOrError<0) || (iOffKey_CaptureKeyHandleOrError<0));
+	}
+
+CFepSwitcher::CFepSwitcher()
+	:CActive(EPriorityStandard),
+	 iFlags(0),
+	 iOnKey_CaptureKeyHandleOrError(0),
+	 iOffKey_CaptureKeyHandleOrError(0),
+	 iFepGenericGlobalSettings(NULL),
+	 iRetryOnError(NULL),
+	 iOnKeyData(0, 0, 0),
+	 iOffKeyData(0, 0, 0),
+	 iFepKeyDataListener_OnKey(NULL),
+	 iFepKeyDataListener_OffKey(NULL)
+	{
+	CActiveScheduler::Add(this);
+	}
+
+void CFepSwitcher::ConstructL()
+	{
+	User::LeaveIfError(iWsSession.Connect());
+	iWindowGroup=RWindowGroup(iWsSession);
+	User::LeaveIfError(iWindowGroup.Construct(REINTERPRET_CAST(TUint32, this), EFalse));
+	CApaWindowGroupName* wgName=CApaWindowGroupName::NewLC(iWsSession,iWindowGroup.Identifier());
+ 	wgName->SetHidden(ETrue);
+ 	wgName->SetAppUid(KFepSwitchAppUid);
+	wgName->SetWindowGroupName(iWindowGroup);
+ 	CleanupStack::PopAndDestroy(wgName);
+	iFepGenericGlobalSettings=CFepGenericGlobalSettings::NewL();
+	iRetryOnError=CRetryOnError::NewL(*this);
+	iFepKeyDataListener_OnKey=CFepKeyDataListener::NewLC(*this, ERepositoryKeyMask_OnKeyData, &CFepSwitcher::iOnKey_CaptureKeyHandleOrError, &CFepSwitcher::iOnKeyData);
+	iFepKeyDataListener_OffKey=CFepKeyDataListener::NewLC(*this, ERepositoryKeyMask_OffKeyData, &CFepSwitcher::iOffKey_CaptureKeyHandleOrError, &CFepSwitcher::iOffKeyData);
+	Queue();
+	}
+
+void CFepSwitcher::Queue()
+	{
+	iWsSession.EventReady(&iStatus);
+	SetActive();
+	}
+
+TBool CFepSwitcher::MatchesKeyData(const TKeyEvent& aKeyEvent, const TFepOnOrOffKeyData& aKeyData)
+	{ // static
+	return ((User::Fold(aKeyEvent.iCode)==User::Fold(aKeyData.CharacterCodeForFoldedMatch())) &&
+			((aKeyEvent.iModifiers&aKeyData.ModifierMask())==aKeyData.ModifierValues()));
+	}
+
+void CFepSwitcher::DoCancel()
+	{
+	iWsSession.EventReadyCancel();
+	}
+
+void CFepSwitcher::RunL()
+	{
+	const TInt error=iStatus.Int();
+	if (error<KErrNone)
+		{
+		Queue();
+		User::Leave(error);
+		}
+	TWsEvent event;
+	iWsSession.GetEvent(event); // need to call this *before* Queue (which calls iWsSession.EventReady), otherwise Wserv panics us
+	Queue();
+	if (event.Type()==EEventKey)
+		{
+		const TBool isOn=iFepGenericGlobalSettings->IsOn();
+		const TKeyEvent& keyEvent=*event.Key();
+		if ((!isOn) && MatchesKeyData(keyEvent, iOnKeyData))
+			{
+			iFepGenericGlobalSettings->SetIsOn(ETrue);
+			iFepGenericGlobalSettings->StoreChangesAndBroadcastL();
+			}
+		else if (isOn && MatchesKeyData(keyEvent, iOffKeyData))
+			{
+			iFepGenericGlobalSettings->SetIsOn(EFalse);
+			iFepGenericGlobalSettings->StoreChangesAndBroadcastL();
+			}
+		}
+	}
+
+// CFepSwitcher::CRetryOnError
+
+CFepSwitcher::CRetryOnError* CFepSwitcher::CRetryOnError::NewL(CFepSwitcher& aFepSwitcher)
+	{ // static
+	CRetryOnError* const self=new(ELeave) CRetryOnError(aFepSwitcher);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CFepSwitcher::CRetryOnError::~CRetryOnError()
+	{
+	Cancel();
+	}
+
+void CFepSwitcher::CRetryOnError::Activate()
+	{
+	iRetryCount=0;
+	DoActivate();
+	}
+
+CFepSwitcher::CRetryOnError::CRetryOnError(CFepSwitcher& aFepSwitcher)
+	:CTimer(EPriorityStandard+1),
+	 iFepSwitcher(aFepSwitcher)
+	{
+	CActiveScheduler::Add(this);
+	}
+
+void CFepSwitcher::CRetryOnError::DoActivate()
+	{
+	// retry every second for a minute, followed by every minute for an hour, followed by every hour
+	TInt timeInterval=1000000;
+	if (iRetryCount>=120)
+		{
+		timeInterval*=(60*60); // up it to every hour
+		}
+	else if (iRetryCount>=60)
+		{
+		timeInterval*=60; // up it to every minute
+		}
+	After(TTimeIntervalMicroSeconds32(timeInterval));
+	}
+
+void CFepSwitcher::CRetryOnError::RunL()
+	{
+	const TInt error=iStatus.Int();
+	TBool needFurtherRetry=ETrue;
+	iFepSwitcher.RetryFailedKeyCaptures(needFurtherRetry);
+	if (needFurtherRetry)
+		{
+		++iRetryCount;
+		DoActivate();
+		}
+	User::LeaveIfError(error);
+	}
+
+// CFepKeyDataListener
+
+CFepKeyDataListener* CFepKeyDataListener::NewLC(CFepSwitcher& aFepSwitcher, TUint32 aRepositoryKeyMask_OnOrOff, TInt32 CFepSwitcher::* aCaptureKeyHandleOrError, TFepOnOrOffKeyData CFepSwitcher::* aKeyDataToAssignTo)
+	{
+	CFepKeyDataListener* const self=new(ELeave) CFepKeyDataListener(aFepSwitcher, aRepositoryKeyMask_OnOrOff, aCaptureKeyHandleOrError, aKeyDataToAssignTo);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	return self;
+	}
+
+CFepKeyDataListener::~CFepKeyDataListener()
+	{
+	Cancel();
+	delete iRepository;
+	}
+
+CFepKeyDataListener::CFepKeyDataListener(CFepSwitcher& aFepSwitcher, TUint32 aRepositoryKeyMask_OnOrOff, TInt32 CFepSwitcher::* aCaptureKeyHandleOrError, TFepOnOrOffKeyData CFepSwitcher::* aKeyDataToAssignTo)
+	:CActive(EPriorityStandard-1),
+	 iFepSwitcher(aFepSwitcher),
+	 iRepositoryKeyMask_OnOrOff(aRepositoryKeyMask_OnOrOff),
+	 iRepository(NULL),
+	 iCaptureKeyHandleOrError(aCaptureKeyHandleOrError),
+	 iKeyDataToAssignTo(aKeyDataToAssignTo)
+	{
+	CActiveScheduler::Add(this);
+	}
+
+void CFepKeyDataListener::ConstructL()
+	{
+	iRepository=CRepository::NewL(TUid::Uid(KUidFepFrameworkRepository));
+	SetFepSwitcherL();
+	Queue();
+	}
+
+void CFepKeyDataListener::SetFepSwitcherL()
+	{
+	TFepOnOrOffKeyData onOrOffKeyData(0, 0, 0);
+	TInt error=KErrNone;
+	CFepGenericGlobalSettings::ReadOnOrOffKeyData(*iRepository, onOrOffKeyData, iRepositoryKeyMask_OnOrOff, &error);
+	iFepSwitcher.SetOnOrOffKeyDataL(error, onOrOffKeyData, iCaptureKeyHandleOrError, iKeyDataToAssignTo);
+	}
+
+void CFepKeyDataListener::Queue()
+	{
+#if defined(_DEBUG)
+	const TInt error=
+#endif
+	iRepository->NotifyRequest(iRepositoryKeyMask_OnOrOff, ERepositoryKeyMask_OnKeyData|ERepositoryKeyMask_OffKeyData, iStatus);
+	__ASSERT_DEBUG(error==KErrNone, User::Invariant());
+	SetActive();
+	}
+
+void CFepKeyDataListener::DoCancel()
+	{
+	iRepository->NotifyCancel(iRepositoryKeyMask_OnOrOff, ERepositoryKeyMask_OnKeyData|ERepositoryKeyMask_OffKeyData);
+	}
+
+void CFepKeyDataListener::RunL()
+	{
+	const TInt error=iStatus.Int();
+	Queue();
+	User::LeaveIfError(error);
+	SetFepSwitcherL();
+	}
+
+// CNonPanickingScheduler
+
+class CNonPanickingScheduler : public CActiveScheduler
+	{
+public:
+	static CNonPanickingScheduler* NewLC();
+private:
+	// from CActiveScheduler
+	virtual void Error(TInt aError) const;
+	};
+
+CNonPanickingScheduler* CNonPanickingScheduler::NewLC()
+	{ // static
+	CNonPanickingScheduler* const scheduler=new(ELeave) CNonPanickingScheduler;
+	CleanupStack::PushL(scheduler);
+	return scheduler;
+	}
+
+void CNonPanickingScheduler::Error(TInt) const
+	{
+	// don't panic here, like CActiveScheduler::Error does
+	}
+
+// top-level functions
+
+LOCAL_C void MainL()
+	{
+	CActiveScheduler* const activeScheduler=CNonPanickingScheduler::NewLC();
+	CActiveScheduler::Install(activeScheduler);
+	CFepSwitcher* const fepSwitcher=CFepSwitcher::NewLC();
+	RProcess::Rendezvous(KErrNone);
+	CActiveScheduler::Start();
+	CleanupStack::PopAndDestroy(2, activeScheduler);
+	}
+
+GLDEF_C TInt E32Main()
+	{
+	CTrapCleanup* const cleanup=CTrapCleanup::New();
+	if(cleanup == NULL)
+		{
+		return KErrNoMemory;
+		}
+	TRAPD(error, MainL());
+	delete cleanup;
+	return error;
+	}
+