--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/securitydialogs/lockapp/src/lockappkeycapturecontroller.cpp	Tue Jan 26 15:20:08 2010 +0200
@@ -0,0 +1,224 @@
+/*
+* Copyright (c) 2007 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:  Key capture utility
+ *
+*/
+
+
+// INCLUDE FILES
+#include "lockappkeycapturecontroller.h"
+#include <w32std.h>
+
+// ================= STATIC MEMBERS =========================
+
+CLockAppKeyCaptureController* CLockAppKeyCaptureController::instance = NULL;
+
+
+// ================= STATIC FUNCTIONS =======================
+
+// ---------------------------------------------------------
+// Initializes the key capture utility by creating an instance of it
+// ---------------------------------------------------------
+CLockAppKeyCaptureController* CLockAppKeyCaptureController::InitL( RWindowGroup& aWindowGroup )
+    {
+    if ( !instance )
+        {
+        instance = new ( ELeave ) CLockAppKeyCaptureController( aWindowGroup );
+        }
+    return instance;
+    }
+
+// ---------------------------------------------------------
+// Destroys the key capture utility's instance
+// ---------------------------------------------------------
+void CLockAppKeyCaptureController::Destroy( )
+    {
+    if ( instance )
+        {
+        delete instance;
+        instance = NULL;
+        }
+    }
+
+// ---------------------------------------------------------
+// Capture a key
+// ---------------------------------------------------------
+void CLockAppKeyCaptureController::CaptureKey( TUint32 aKey, TUint32 aKeyCode, TPhoneKeyCaptureType aType )
+    {
+    	RDebug::Printf( "%s %s (%u) aKey=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, aKey );
+    	RDebug::Printf( "%s %s (%u) aKeyCode=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, aKeyCode );
+    	RDebug::Printf( "%s %s (%u) aType=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, aType );
+
+    if ( instance )
+        {
+        instance->StartCapturingKey( aKey, aKeyCode, aType );
+        }
+    }
+
+// ---------------------------------------------------------
+// Release a key (previously captured)
+// ---------------------------------------------------------
+void CLockAppKeyCaptureController::ReleaseKey( TUint32 aKey )
+    {
+    	RDebug::Printf( "%s %s (%u) aKey=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, aKey );
+
+    if ( instance )
+        {
+        instance->StopCapturingKey( aKey );
+        }
+    }
+
+// ================= INSTANCE FUNCTIONS ============================
+
+// ---------------------------------------------------------
+// Private default constructor
+// ---------------------------------------------------------
+CLockAppKeyCaptureController::CLockAppKeyCaptureController( RWindowGroup& aWindowGroup ) :
+    iWindowGroup( aWindowGroup)
+    {
+    }
+
+// ---------------------------------------------------------
+// Private destructor
+// ---------------------------------------------------------
+CLockAppKeyCaptureController::~CLockAppKeyCaptureController( )
+    {
+    	RDebug::Printf( "%s %s (%u) value=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, 0 );
+
+    // should we have any captured keys, stop capturing now
+    TInt capturedKeyCount = iCapturedKeys.Count( );
+    for (TInt i = 0; i < capturedKeyCount; i++ )
+        {
+        StopKeyCapture( iCapturedKeys[i] );
+        }
+    iCapturedKeys.Close( );
+    }
+
+// ---------------------------------------------------------
+// Starts capturing a key
+// ---------------------------------------------------------
+void CLockAppKeyCaptureController::StartCapturingKey( TUint32 aKey, TUint32 aKeyCode, TPhoneKeyCaptureType aType )
+    {
+    TInt32 handle = KErrNotFound;
+		RDebug::Printf( "%s %s (%u) aKey=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, aKey );
+		RDebug::Printf( "%s %s (%u) aKeyCode=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, aKeyCode );
+		RDebug::Printf( "%s %s (%u) aType=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, aType );
+
+    if ( !IsKeyCaptured( aKey ) )
+        {
+        TPhoneKeyCapture keyCapture;
+        keyCapture.iKey = (TStdScanCode) aKey;
+        keyCapture.iKeyCode = (TKeyCode) aKeyCode;
+        keyCapture.iHandle = 0; // set as initial value
+        keyCapture.iHandleForUpAndDown = 0; // set as initial value
+
+        switch( aType )
+            {
+            case EKeyCaptureEvent:
+                keyCapture.iType = EKeyCaptureEvent;
+                keyCapture.iHandle = iWindowGroup.CaptureKey( keyCapture.iKeyCode, 0, 0 );
+                handle = keyCapture.iHandle;
+                break;
+            case EKeyCaptureUpAndDownEvents:
+                keyCapture.iType = EKeyCaptureUpAndDownEvents;
+                keyCapture.iHandleForUpAndDown = iWindowGroup.CaptureKeyUpAndDowns( keyCapture.iKey, 0, 0 );
+                handle = keyCapture.iHandleForUpAndDown;
+                break;
+            default: // EKeyCaptureAllEvents
+                {
+                keyCapture.iType = EKeyCaptureAllEvents;
+                keyCapture.iHandle = iWindowGroup.CaptureKey( keyCapture.iKeyCode, 0, 0 );
+                if ( keyCapture.iHandle >= 0 )
+                    {
+                    keyCapture.iHandleForUpAndDown = iWindowGroup.CaptureKeyUpAndDowns( keyCapture.iKey, 0, 0 );
+                    if ( keyCapture.iHandleForUpAndDown < 0 )
+                        {
+                        iWindowGroup.CancelCaptureKey( keyCapture.iHandle );
+                        }
+                    handle = keyCapture.iHandleForUpAndDown;
+                    }
+                break;
+                }
+            }
+
+        RDebug::Printf( "CLockAppKeyCaptureController::StartCapturingKey - handle: 0x%08x", handle );
+
+        if ( handle >= 0 )
+            {
+            if ( iCapturedKeys.Append( keyCapture )!= KErrNone )
+                {
+                StopKeyCapture( keyCapture );
+                }
+            }
+        }
+    }
+
+// ---------------------------------------------------------
+// Stops capturing a key
+// ---------------------------------------------------------
+void CLockAppKeyCaptureController::StopCapturingKey( TUint32 aKey )
+    {
+		RDebug::Printf( "%s %s (%u) aKey=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, aKey );
+    const TInt capturedKeyCount = iCapturedKeys.Count( );
+    TBool foundKey = EFalse;
+    for (TInt i = 0; ( i < capturedKeyCount ) && !foundKey; i++ )
+        {
+        if ( iCapturedKeys[i].iKey == aKey )
+            {
+            foundKey = ETrue;
+            StopKeyCapture( iCapturedKeys[i] );
+            iCapturedKeys.Remove( i );
+            }
+        }
+    }
+
+// ---------------------------------------------------------
+// May be used to ask whether a key has been set to be captured
+// ---------------------------------------------------------
+TBool CLockAppKeyCaptureController::IsKeyCaptured( TUint32 aKey ) const
+    {
+		RDebug::Printf( "%s %s (%u) aKey=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, aKey );
+    const TInt capturedKeyCount = iCapturedKeys.Count( );
+    TBool isCaptured = EFalse;
+    for (TInt i = 0; ( i < capturedKeyCount ) && !isCaptured; i++ )
+        {
+        isCaptured = iCapturedKeys[i].iKey == aKey;
+        }
+    return isCaptured;
+    }
+
+// ---------------------------------------------------------
+// Stops capturing a key
+// ---------------------------------------------------------
+void CLockAppKeyCaptureController::StopKeyCapture( TPhoneKeyCapture aKeyCapture )
+    {
+		RDebug::Printf( "%s %s (%u) value=%x", __FILE__, __PRETTY_FUNCTION__, __LINE__, 0 );
+    switch ( aKeyCapture.iType )
+        {
+        case EKeyCaptureEvent:
+            iWindowGroup.CancelCaptureKey( aKeyCapture.iHandle );
+            break;
+        case EKeyCaptureUpAndDownEvents:
+            iWindowGroup.CancelCaptureKeyUpAndDowns( aKeyCapture.iHandleForUpAndDown );
+            break;
+        default: // EPhoneKeyCaptureAllEvents
+            {
+            iWindowGroup.CancelCaptureKey( aKeyCapture.iHandle );
+            iWindowGroup.CancelCaptureKeyUpAndDowns( aKeyCapture.iHandleForUpAndDown );
+            break;
+            }
+        }
+    }
+
+// end of file