phoneapp/phoneuiview/src/cphonekeycapturecontroller.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 20:18:27 +0200
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permissions -rw-r--r--
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/*
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* Copyright (c) 2005 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: Implementation of CPhoneKeyCaptureController class.
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*
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*/
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// INCLUDE FILES
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#include <eikenv.h>
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#include <w32std.h>
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#include "cphonekeycapturecontroller.h"
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#include "tphonecmdparamKeycapture.h"
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#include "phoneconstants.h"
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#include "phonelogger.h"
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// ================= MEMBER FUNCTIONS =======================
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// C++ default constructor can NOT contain any code, that
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// might leave.
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//
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CPhoneKeyCaptureController::CPhoneKeyCaptureController( CEikonEnv& aEikEnv ): iEikEnv( aEikEnv )
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    {
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    }
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// ---------------------------------------------------------
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// CPhoneKeyCaptureController::NewL()
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// Two-phased constructor
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// (other items were commented in a header).
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// ---------------------------------------------------------
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CPhoneKeyCaptureController* CPhoneKeyCaptureController::NewL( CEikonEnv& aEikEnv )
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    {
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    CPhoneKeyCaptureController* self = 
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        new( ELeave ) CPhoneKeyCaptureController( aEikEnv );
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    return self;
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    }
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// ---------------------------------------------------------
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// Destructor
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// ---------------------------------------------------------
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// 
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CPhoneKeyCaptureController::~CPhoneKeyCaptureController()
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    {
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    // should we have any captured keys, stop capturing now:
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    TInt capturedKeyCount = iCapturedKeys.Count();
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    for( TInt i = 0; i < capturedKeyCount ; i++ )
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        {
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        StopKeyCapture( iCapturedKeys[i] );
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        }
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    iCapturedKeys.Close();
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    }
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// ---------------------------------------------------------
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// CPhoneKeyCaptureController::StartCapturingKey
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// Starts capturing a key
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// (other items were commented in a header).
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// ---------------------------------------------------------
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//      
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void CPhoneKeyCaptureController::StartCapturingKey( 
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    TPhoneCommandParam* aCommandParam ) 
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    {
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    __LOGMETHODSTARTEND(EPhoneUIView, "CPhoneKeyCaptureController::StartCapturingKey");
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    TPhoneCmdParamKeyCapture* keyCaptureParam = 
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        static_cast<TPhoneCmdParamKeyCapture*>( aCommandParam );
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    TInt32 handle = KErrNotFound;
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    TPhoneKeyCapture keyCapture;
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    RWindowGroup& windowGroup = iEikEnv.RootWin();
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    if ( !IsKeyCaptured ( keyCaptureParam->Key() ) )
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        {
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        __PHONELOG1( 
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            EBasic, 
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            EPhoneUIView,
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            "Capture key %d here ", 
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            static_cast<TInt>( keyCaptureParam->Key() ) );
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        keyCapture.iKey = keyCaptureParam->Key();
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        keyCapture.iKeyCode = keyCaptureParam->KeyCode();
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        keyCapture.iHandle = 0; // set as initial value
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        keyCapture.iHandleForUpAndDown = 0; // set as initial value
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        switch( keyCaptureParam->CaptureType() )
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            {
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            case EPhoneKeyEvent:
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                keyCapture.iType = EPhoneKeyCaptureEvent;
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                keyCapture.iHandle = windowGroup.CaptureKey( 
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                    keyCapture.iKeyCode, 0, 0 );
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                handle = keyCapture.iHandle;
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                break;
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            case EPhoneKeyUpAndDownEvents:
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                keyCapture.iType = EPhoneKeyCaptureUpAndDownEvents;
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                keyCapture.iHandleForUpAndDown = 
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                    windowGroup.CaptureKeyUpAndDowns( 
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                    keyCapture.iKey, 0, 0 );
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                handle = keyCapture.iHandleForUpAndDown;
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                break;
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            default: // EPhoneKeyAllEvents
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                {
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                keyCapture.iType = EPhoneKeyCaptureAllEvents;
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                keyCapture.iHandle = windowGroup.CaptureKey( 
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                    keyCapture.iKeyCode, 0, 0 );
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                if ( keyCapture.iHandle >= 0 )
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   116
                    {
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   117
                    keyCapture.iHandleForUpAndDown = 
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   118
                        windowGroup.CaptureKeyUpAndDowns( 
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   119
                        keyCapture.iKey, 0, 0 );
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   120
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   121
                    if ( keyCapture.iHandleForUpAndDown < 0 )
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   122
                        {
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diff changeset
   123
                        windowGroup.CancelCaptureKey( keyCapture.iHandle );
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   124
                        }
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parents:
diff changeset
   125
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   126
                    handle = keyCapture.iHandleForUpAndDown;
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   127
                    }   
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                break;
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   129
                }
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            } // switch
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   131
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        if ( handle >= 0 )
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   133
            {
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   134
            if ( iCapturedKeys.Append( keyCapture ) != KErrNone )
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   135
                {
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                StopKeyCapture( keyCapture );
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   137
                }
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   138
            }
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   139
        }   // if isKeyCaptured
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   140
    }
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   141
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// ---------------------------------------------------------
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   143
// CPhoneKeyCaptureController::StopCapturingKey
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// Stops capturing a key
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// (other items were commented in a header).
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   146
// ---------------------------------------------------------
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   147
//
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   148
void CPhoneKeyCaptureController::StopCapturingKey( 
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   149
    TPhoneCommandParam* aCommandParam ) 
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    {
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   151
    __LOGMETHODSTARTEND(EPhoneUIView, "CPhoneKeyCaptureController::StopCapturingKey");
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   152
    TPhoneCmdParamKeyCapture* keyCaptureParam = 
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   153
        static_cast<TPhoneCmdParamKeyCapture*>( aCommandParam );
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   154
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   155
    const TInt capturedKeyCount = iCapturedKeys.Count();
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   156
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   157
    __PHONELOG2( 
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parents:
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   158
        EBasic, 
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   159
        EPhoneUIView,
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parents:
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   160
        "UnCapture key %d here (%d keys left)",
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parents:
diff changeset
   161
        static_cast<TInt>( keyCaptureParam->Key() ), 
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   162
        static_cast<TInt>( capturedKeyCount ) );
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parents:
diff changeset
   163
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   164
    TBool foundKey = EFalse;
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parents:
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   165
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   166
    for( TInt i = 0; ( i < capturedKeyCount ) && !foundKey ; i++ )
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parents:
diff changeset
   167
        {
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   168
        if( iCapturedKeys[i].iKey == keyCaptureParam->Key() )
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parents:
diff changeset
   169
            {
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   170
            foundKey = ETrue;
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parents:
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   171
            StopKeyCapture( iCapturedKeys[i] );
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parents:
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   172
            iCapturedKeys.Remove(i);
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parents:
diff changeset
   173
            }
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parents:
diff changeset
   174
        }
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parents:
diff changeset
   175
    }
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parents:
diff changeset
   176
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   177
// ---------------------------------------------------------
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parents:
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   178
// CPhoneKeyCaptureController::IsKeyCaptured
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parents:
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   179
// May be used to ask whether a key has been set to be captured
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   180
// (other items were commented in a header).
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   181
// ---------------------------------------------------------
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   182
//      
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   183
TBool CPhoneKeyCaptureController::IsKeyCaptured( TStdScanCode aKey ) const
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   184
    {
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   185
    const TInt capturedKeyCount = iCapturedKeys.Count();
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parents:
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   186
    TBool isCaptured = EFalse;
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parents:
diff changeset
   187
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diff changeset
   188
    for( TInt i = 0 ; ( i < capturedKeyCount ) && !isCaptured; i++ )
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parents:
diff changeset
   189
        {
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diff changeset
   190
        isCaptured = iCapturedKeys[i].iKey == aKey; 
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parents:
diff changeset
   191
        }
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parents:
diff changeset
   192
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   193
    return isCaptured;
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parents:
diff changeset
   194
    }
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parents:
diff changeset
   195
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   196
// ---------------------------------------------------------
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parents:
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   197
// CPhoneKeyCaptureController::StopKeyCapture
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parents:
diff changeset
   198
// Stops capturing a key
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parents:
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   199
// (other items were commented in a header).
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parents:
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   200
// ---------------------------------------------------------
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parents:
diff changeset
   201
//      
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diff changeset
   202
void CPhoneKeyCaptureController::StopKeyCapture( TPhoneKeyCapture aKeyCapture )
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parents:
diff changeset
   203
    {
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parents:
diff changeset
   204
    RWindowGroup& windowGroup = iEikEnv.RootWin();
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parents:
diff changeset
   205
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parents:
diff changeset
   206
    switch ( aKeyCapture.iType )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   207
        {
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parents:
diff changeset
   208
        case EPhoneKeyCaptureEvent:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   209
            windowGroup.CancelCaptureKey( aKeyCapture.iHandle );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   210
            break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
        case EPhoneKeyCaptureUpAndDownEvents:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   212
            windowGroup.CancelCaptureKeyUpAndDowns( 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   213
                aKeyCapture.iHandleForUpAndDown );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   214
            break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
        default: // EPhoneKeyCaptureAllEvents
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parents:
diff changeset
   216
            {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   217
            windowGroup.CancelCaptureKey( aKeyCapture.iHandle );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
            windowGroup.CancelCaptureKeyUpAndDowns( 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   219
                aKeyCapture.iHandleForUpAndDown );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   220
            break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   221
            }
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parents:
diff changeset
   222
        }
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parents:
diff changeset
   223
    }
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parents:
diff changeset
   224
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parents:
diff changeset
   225
// end of file