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// Copyright (c) 2000-2009 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:
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// HotKey user interface to the PC-sampling Profiler engine in E32utils
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//
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//
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#include <e32base.h>
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#include <w32std.h>
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#include <profiler.h>
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class CKeys : public CActive, private MProfilerController
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{
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class THotKey
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{
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enum {KAllModifiers = EModifierFunc|EModifierCtrl|EModifierShift};
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public:
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inline THotKey()
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:iCapture(-1)
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{}
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inline void CaptureL(RWindowGroup& aWg, TUint aKey)
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{iCapture=User::LeaveIfError(aWg.CaptureKey(aKey,KAllModifiers,KAllModifiers));}
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inline void Release(RWindowGroup& aWg)
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{if (iCapture != -1) aWg.CancelCaptureKey(iCapture);}
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private:
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TInt32 iCapture;
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};
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public:
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IMPORT_C static MProfilerController* NewL(TInt aPriority, MProfilerEngine& aEngine);
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private:
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CKeys(TInt aPriority, MProfilerEngine& aEngine);
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void ConstructL();
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~CKeys();
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void Release();
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//
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void Queue();
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//
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void RunL();
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void DoCancel();
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//
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private:
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RWsSession iWs;
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RWindowGroup iWg;
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THotKey iStartKey;
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THotKey iStopKey;
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THotKey iCloseKey;
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THotKey iUnloadKey;
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THotKey iTestKey;
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};
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EXPORT_C MProfilerController* CKeys::NewL(TInt aPriority, MProfilerEngine& aEngine)
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{
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CKeys* self = new(ELeave) CKeys(aPriority, aEngine);
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop();
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return self;
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}
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CKeys::CKeys(TInt aPriority, MProfilerEngine& aEngine)
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:CActive(aPriority), MProfilerController(aEngine)
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{
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CActiveScheduler::Add(this);
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}
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void CKeys::ConstructL()
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{
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User::LeaveIfError(iWs.Connect());
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iWg = iWs;
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User::LeaveIfError(iWg.Construct(0,EFalse));
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iWg.AutoForeground(EFalse);
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iStartKey.CaptureL(iWg, '1');
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iStopKey.CaptureL(iWg, '2');
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iCloseKey.CaptureL(iWg, '3');
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iUnloadKey.CaptureL(iWg, '4');
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iTestKey.CaptureL(iWg, '0');
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Queue();
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}
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CKeys::~CKeys()
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{
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Cancel();
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iStartKey.Release(iWg);
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iStopKey.Release(iWg);
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iCloseKey.Release(iWg);
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iUnloadKey.Release(iWg);
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iTestKey.Release(iWg);
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iWg.Close();
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iWs.Close();
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}
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void CKeys::Release()
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{
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delete this;
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}
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void CKeys::Queue()
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{
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iWs.EventReady(&iStatus);
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SetActive();
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}
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void CKeys::RunL()
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{
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TWsEvent ev;
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iWs.GetEvent(ev);
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if (ev.Type() == EEventKey)
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{
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switch (ev.Key()->iCode)
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{
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case '0':
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{
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_LIT(KTestPrint,"Profiler is ");
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static const TText* const KStates[] = {_S("running"),_S("waiting"),_S("loaded"),_S("?")};
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TBuf<60> info(KTestPrint);
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info.Append(TPtrC(KStates[GetState()]));
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User::InfoPrint(info);
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}
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break;
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case '1':
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case '2':
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case '3':
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case '4':
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Control(Profiler::TState(ev.Key()->iCode - '1'));
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break;
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}
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}
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Queue();
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}
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void CKeys::DoCancel()
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{
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iWs.EventReadyCancel();
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}
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