sl@0: // Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // HotKey user interface to the PC-sampling Profiler engine in E32utils
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <e32base.h>
sl@0: #include <w32std.h>
sl@0: #include <profiler.h>
sl@0: 
sl@0: class CKeys : public CActive, private MProfilerController
sl@0: 	{
sl@0: 	class THotKey
sl@0: 		{
sl@0: 		enum {KAllModifiers = EModifierFunc|EModifierCtrl|EModifierShift};
sl@0: 	public:
sl@0: 		inline THotKey()
sl@0: 			:iCapture(-1)
sl@0: 			{}
sl@0: 		inline void CaptureL(RWindowGroup& aWg, TUint aKey)
sl@0: 			{iCapture=User::LeaveIfError(aWg.CaptureKey(aKey,KAllModifiers,KAllModifiers));}
sl@0: 		inline void Release(RWindowGroup& aWg)
sl@0: 			{if (iCapture != -1) aWg.CancelCaptureKey(iCapture);}
sl@0: 	private:
sl@0: 		TInt32 iCapture;
sl@0: 		};
sl@0: public:
sl@0: 	IMPORT_C static MProfilerController* NewL(TInt aPriority, MProfilerEngine& aEngine);
sl@0: private:
sl@0: 	CKeys(TInt aPriority, MProfilerEngine& aEngine);
sl@0: 	void ConstructL();
sl@0: 	~CKeys();
sl@0: 	void Release();
sl@0: //
sl@0: 	void Queue();
sl@0: //
sl@0: 	void RunL();
sl@0: 	void DoCancel();
sl@0: //
sl@0: private:
sl@0: 	RWsSession iWs;
sl@0: 	RWindowGroup iWg;
sl@0: 	THotKey iStartKey;
sl@0: 	THotKey iStopKey;
sl@0: 	THotKey iCloseKey;
sl@0: 	THotKey iUnloadKey;
sl@0: 	THotKey iTestKey;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: EXPORT_C MProfilerController* CKeys::NewL(TInt aPriority, MProfilerEngine& aEngine)
sl@0: 	{
sl@0: 	CKeys* self = new(ELeave) CKeys(aPriority, aEngine);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CKeys::CKeys(TInt aPriority, MProfilerEngine& aEngine)
sl@0: 	:CActive(aPriority), MProfilerController(aEngine)
sl@0: 	{
sl@0: 	CActiveScheduler::Add(this);
sl@0: 	}
sl@0: 
sl@0: void CKeys::ConstructL()
sl@0: 	{
sl@0: 	User::LeaveIfError(iWs.Connect());
sl@0: 	iWg = iWs;
sl@0: 	User::LeaveIfError(iWg.Construct(0,EFalse));
sl@0: 	iWg.AutoForeground(EFalse);
sl@0: 	iStartKey.CaptureL(iWg, '1');
sl@0: 	iStopKey.CaptureL(iWg, '2');
sl@0: 	iCloseKey.CaptureL(iWg, '3');
sl@0: 	iUnloadKey.CaptureL(iWg, '4');
sl@0: 	iTestKey.CaptureL(iWg, '0');
sl@0: 	Queue();
sl@0: 	}
sl@0: 
sl@0: CKeys::~CKeys()
sl@0: 	{
sl@0: 	Cancel();
sl@0: 	iStartKey.Release(iWg);
sl@0: 	iStopKey.Release(iWg);
sl@0: 	iCloseKey.Release(iWg);
sl@0: 	iUnloadKey.Release(iWg);
sl@0: 	iTestKey.Release(iWg);
sl@0: 	iWg.Close();
sl@0: 	iWs.Close();
sl@0: 	}
sl@0: 
sl@0: void CKeys::Release()
sl@0: 	{
sl@0: 	delete this;
sl@0: 	}
sl@0: 
sl@0: void CKeys::Queue()
sl@0: 	{
sl@0: 	iWs.EventReady(&iStatus);
sl@0: 	SetActive();
sl@0: 	}
sl@0: 
sl@0: void CKeys::RunL()
sl@0: 	{
sl@0: 	TWsEvent ev;
sl@0: 	iWs.GetEvent(ev);
sl@0: 	if (ev.Type() == EEventKey)
sl@0: 		{
sl@0: 		switch (ev.Key()->iCode)
sl@0: 			{
sl@0: 		case '0':
sl@0: 			{
sl@0: 			_LIT(KTestPrint,"Profiler is ");
sl@0: 			static const TText* const KStates[] = {_S("running"),_S("waiting"),_S("loaded"),_S("?")};
sl@0: 			TBuf<60> info(KTestPrint);
sl@0: 			info.Append(TPtrC(KStates[GetState()]));
sl@0: 			User::InfoPrint(info);
sl@0: 			}
sl@0: 			break;
sl@0: 		case '1':
sl@0: 		case '2':
sl@0: 		case '3':
sl@0: 		case '4':
sl@0: 			Control(Profiler::TState(ev.Key()->iCode - '1'));
sl@0: 			break;
sl@0: 			}
sl@0: 		}
sl@0: 	Queue();
sl@0: 	}
sl@0: 
sl@0: void CKeys::DoCancel()
sl@0: 	{
sl@0: 	iWs.EventReadyCancel();
sl@0: 	}
sl@0: 
sl@0: