coreapplicationuis/SysAp/Src/sysapkeymanagement.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 23 Jun 2010 18:22:59 +0300
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permissions -rw-r--r--
Revision: 201023 Kit: 2010125
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/*
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* Copyright (c) 2002-2009 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:  CSysApKeyManagement implementation.
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*
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*/
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// INCLUDE FILES
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#include "sysapkeymanagement.h"
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#include "SysAp.hrh"
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#include "SysApAppUi.h"
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#include <e32debug.h>
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#include <ecom/implementationinformation.h> 
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#include <sysapkeyhandlerplugininterface.h>
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// CONSTANTS
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const TInt KCurrentSupportedPluginVersion=2;
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//text constant indicating that the plugin is non-resident, i.e. instantiated only when needed
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_LIT8(KNonResidentPlugin,"NonResidentPlugin");
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// ============================ MEMBER FUNCTIONS ===============================
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// ----------------------------------------------------------------------------
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// CSysApPluginInfo::CSysApPluginInfo()
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// -----------------------------------------------------------------------------
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//
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CSysApKeyManagement::CSysApPluginInfo::CSysApPluginInfo( TUid aPluginUid ) : iPluginUid(aPluginUid),
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                                                                             iPtrPlugin(NULL),
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                                                                             iIsKeyProvider(EFalse)
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    {
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    }
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// ----------------------------------------------------------------------------
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// CSysApPluginInfo::CSysApPluginInfo()
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// -----------------------------------------------------------------------------
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//
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CSysApKeyManagement::CSysApPluginInfo::~CSysApPluginInfo()
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    {
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    delete iPtrPlugin;
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    iKeys.Close();
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    iKeyHandles.Close();
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    iUpAndDownKeyHandles.Close();
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    }    
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// ----------------------------------------------------------------------------
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// CSysApKeyManagement::CSysApKeyManagement()
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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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CSysApKeyManagement::CSysApKeyManagement( RWindowGroup& aRootWindowGroup, MSysapCallback& aSysApCallback ):
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	iRootWindowGroup(aRootWindowGroup),
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	iSysApCallback(aSysApCallback)
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    {
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    TRACES( RDebug::Print( _L("CSysApKeyManagement::CSysApKeyManagement")) );	
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    }
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// ----------------------------------------------------------------------------
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// CSysApKeyManagement::ConstructL()
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CSysApKeyManagement::ConstructL()
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    {
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    TRACES( RDebug::Print( _L("CSysApKeyManagement::ConstructL")) );	      
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    GetPluginsL(); //gets info for all available plugins
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    CaptureKeys(); //registers to capture all needed keys
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    }
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// ----------------------------------------------------------------------------
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// CSysApKeyManagement::NewL()
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CSysApKeyManagement* CSysApKeyManagement::NewL( RWindowGroup& aRootWindowGroup, MSysapCallback& aSysApCallback )
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    {
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    TRACES( RDebug::Print( _L("CSysApKeyManagement::NewL" ) ) );
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    CSysApKeyManagement* self = new ( ELeave ) CSysApKeyManagement( aRootWindowGroup, aSysApCallback );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    CleanupStack::Pop(self); //self
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    return self;
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    }
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// ----------------------------------------------------------------------------
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// CSysApKeyManagement::~CSysApKeyManagement()
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// ----------------------------------------------------------------------------
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//
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CSysApKeyManagement::~CSysApKeyManagement()
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    {
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    TRACES( RDebug::Print( _L("CSysApKeyManagement::~CSysApKeyManagement")) );	
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    CancelCaptureKeys(); //first cancel the capturing of the keys
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    iSysApPlugins.ResetAndDestroy();
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    }
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   114
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// ----------------------------------------------------------------------------
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// CSysApKeyManagement::CancelCaptureKeys()
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// ----------------------------------------------------------------------------
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// 
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void CSysApKeyManagement::CancelCaptureKeys()
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    {
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    TRACES( RDebug::Print( _L("CSysApKeyManagement::CaptureKeys")) );	
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    // iterate through plugins and cancel key capture
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    for ( TInt pluginCounter = iSysApPlugins.Count()-1; pluginCounter >= 0; pluginCounter-- )
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        {
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        CSysApPluginInfo* info = iSysApPlugins[pluginCounter];
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        for ( TInt keyHandleCounter = info->iKeyHandles.Count()-1; keyHandleCounter >= 0; keyHandleCounter-- )
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            {
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            iRootWindowGroup.CancelCaptureKey( info->iKeyHandles[keyHandleCounter] );
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            }
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        for ( TInt upAndDownKeyHandleCounter = info->iUpAndDownKeyHandles.Count()-1; upAndDownKeyHandleCounter >= 0; upAndDownKeyHandleCounter-- )
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            {
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            iRootWindowGroup.CancelCaptureKeyUpAndDowns( info->iUpAndDownKeyHandles[upAndDownKeyHandleCounter] );
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            }
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        for ( TInt keyHandleCounter = info->iLongKeyPressHandle.Count()-1; keyHandleCounter >= 0; keyHandleCounter-- )
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             {
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             iRootWindowGroup.CancelCaptureLongKey( info->iLongKeyPressHandle[keyHandleCounter] );
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             }
0
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        }
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    }
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// ----------------------------------------------------------------------------
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// CSysApKeyManagement::CaptureKeys()
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// registers to window server for the keys we want. Callback is in SysappUi
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// ----------------------------------------------------------------------------
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void CSysApKeyManagement::CaptureKeys()
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    {
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    TRACES( RDebug::Print( _L("CSysApKeyManagement::CaptureKeys")) );	
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    for ( TInt pluginCounter = iSysApPlugins.Count()-1; pluginCounter >= 0; pluginCounter-- )
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        {
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        CSysApPluginInfo* info = iSysApPlugins[pluginCounter];
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        for ( TInt keyCounter = info->iKeys.Count()-1; keyCounter >= 0; keyCounter-- )
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            {
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            TUint captureKey = info->iKeys[keyCounter].iCode;
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            // Special handling for flip key simulation
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			if ( captureKey == EKeyFlipOpen || captureKey == EKeyFlipClose )
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			    {
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			    // don't capture flip, it is simulated to plugins from P&S
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			    continue;
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			    }
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			TRACES( RDebug::Print( _L("CSysApKeyManagement::CaptureKeys: capturing key 0x%x for plugin 0x%x"), 
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                                       captureKey, info->iPluginUid ) );
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			if (info->iIsKeyProvider)
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			    {
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			    TUint repeatValue = 0;
0
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			    TInt captureUpDownKey = info->iKeys[keyCounter].iScanCode;
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			    TUint modifiers = info->iKeys[keyCounter].iModifiers;
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			    repeatValue = info->iKeys[keyCounter].iRepeats; 
0
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                TInt32 keyHandle = iRootWindowGroup.CaptureKey( captureKey, modifiers, modifiers );
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                if ( keyHandle < KErrNone )
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                    {
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                    TRACES( RDebug::Print( _L("CSysApKeyManagement::CaptureKeys: error %d"), keyHandle ) );
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                    continue; // other keys may be possible to capture, so continue
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                    }
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                if ( ( keyHandle = info->iKeyHandles.Append( keyHandle ) ) != KErrNone ) //store handle for CancelCaptureKey
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                    {
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                    //error of Append ignored, key will not be cancelled. We can live with that.
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                    TRACES( RDebug::Print( _L("CSysApKeyManagement::CaptureKeys: Append failed, error %d"), keyHandle ) );
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                    }
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                TInt32 upAndDownKeyHandle = iRootWindowGroup.CaptureKeyUpAndDowns( captureUpDownKey, modifiers, modifiers );
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                if ( upAndDownKeyHandle < KErrNone )
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                    {
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                    TRACES( RDebug::Print( _L("CSysApKeyManagement::CaptureKeys UpAndDowns: error %d"), upAndDownKeyHandle ) );
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                    continue; // other keys may be possible to capture, so continue
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                    }
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                if ( ( upAndDownKeyHandle = info->iUpAndDownKeyHandles.Append( upAndDownKeyHandle ) ) != KErrNone ) //store handle for CancelCaptureKeyUpAndDowns
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                    {
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                    //error of Append ignored, key will not be cancelled. We can live with that.
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                    TRACES( RDebug::Print( _L("CSysApKeyManagement::CaptureKeys UpAndDowns: Append failed, error %d"), upAndDownKeyHandle ) );
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                    }
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                if( repeatValue == 1 )
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                    {
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                    TInt32 longKeyPressHandle = iRootWindowGroup.CaptureLongKey( captureKey, captureKey,0, modifiers,0, ELongCaptureWaitShort);
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                    if ( longKeyPressHandle < KErrNone )
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                        {
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                       TRACES( RDebug::Print( _L("CSysApKeyManagement::CaptureLongKey : error %d"), longKeyPressHandle ) );
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                       continue; // other keys may be possible to capture, so continue
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                        }
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                    if ( ( longKeyPressHandle = info->iLongKeyPressHandle.Append( longKeyPressHandle ) ) != KErrNone ) //store handle for CancelCaptureKeyUpAndDowns
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                         {
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                          TRACES( RDebug::Print( _L("CSysApKeyManagement::CaptureLongKey : Append failed, error %d"), longKeyPressHandle ) );
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                         }                               
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                    }
0
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			    }
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			else
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			    {
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	            TInt32 handle = iRootWindowGroup.CaptureKey( captureKey, 0, 0 );
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	            if ( handle < KErrNone )
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	                {
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	                TRACES( RDebug::Print( _L("CSysApKeyManagement::CaptureKeys: error %d"), handle ) );
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	                continue; // other keys may be possible to capture, so continue
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	                }
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	            if ( ( handle = info->iKeyHandles.Append( handle ) ) != KErrNone ) //store handle for CancelCaptureKey
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	                {
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	                //error of Append ignored, key will not be cancelled. We can live with that.
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	                TRACES( RDebug::Print( _L("CSysApKeyManagement::CaptureKeys: Append failed, error %d"), handle ) );
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	                }			    
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			    }
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            }
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        }
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    }
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// ----------------------------------------------------------------------------
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// CSysApKeyManagement::GetPluginsL()
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// Gets plugins and extracts key and plugin information form them
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// ----------------------------------------------------------------------------
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void CSysApKeyManagement::GetPluginsL()
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    {
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    TRACES( RDebug::Print( _L("CSysApKeyManagement::GetPluginsL")) );
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    //lists all plugins implementing interface identified with SysapPluginUID
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    RImplInfoPtrArray pluginInfoArray;
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    CleanupClosePushL( pluginInfoArray );
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    REComSession::ListImplementationsL( KSysapKeyHandlerPluginInterfaceUid, 
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    									pluginInfoArray );
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    TInt count = pluginInfoArray.Count();
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    for ( TInt index = 0; index < count; ++index)
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        {
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    	//extract key from data of plugin
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        CImplementationInformation* info = pluginInfoArray[index];
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        TInt version = info->Version();
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        if ( version > KCurrentSupportedPluginVersion )
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            {
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            TRACES( RDebug::Print( _L("CSysApKeyManagement::GetPluginsL: plugin 0x%x load failure, version conflict: version=%d"), info->ImplementationUid(), version ) );
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            continue;	
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            }
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        CSysApPluginInfo* pluginInfo = new (ELeave) CSysApPluginInfo( info->ImplementationUid() );
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        CleanupStack::PushL( pluginInfo );
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        if ( info->OpaqueData().Compare( KNonResidentPlugin ) == 0 ) //plugin tells itself in opaquedata that if it shall be resident
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            {
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            // do nothing for non-resident plugins
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            TRACES( RDebug::Print( _L("CSysApKeyManagement::GetPluginsL: plugin 0x%x is non-resident."), pluginInfo->iPluginUid ) );
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            }
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        else
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            {
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            TRACES( RDebug::Print( _L("CSysApKeyManagement::GetPluginsL: loading resident plugin 0x%x"), pluginInfo->iPluginUid ) );
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            pluginInfo->iPtrPlugin = CSysapKeyHandlerPlugin::NewL( pluginInfo->iPluginUid, &iSysApCallback );            
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            if ( version > 1 )
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                {
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                //plugin is a key provider plugin (plugin version 2)
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                pluginInfo->iIsKeyProvider = ETrue;
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                }
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            }
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        TInt err = KErrNone;
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    	if (pluginInfo->iIsKeyProvider)
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    	    {
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    	    TRAP(err, pluginInfo->iPtrPlugin->ProvideKeyEventsL(pluginInfo->iKeys));
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    	    if (err == KErrNone)
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    	        {
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    	        err = CheckKeys(pluginInfo->iKeys);
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    	        }    	    
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    	    }
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    	else
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    	    {
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            const TDesC8& data = info->DataType();  
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            TLex8 lex(data); //convert data to TUint. We suppose that there is one TUint in the data
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            err = GetKeys( lex, pluginInfo->iKeys );    	    
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    	    }
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        if ( err != KErrNone ) //plugin has no valid keys
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    	    {
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    	 	if( err == KErrAbort ) //this means that there was some error in the key definitions, which makes the plugin useless,
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    	 	    {
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    	 	  	TRACES( RDebug::Print( _L("CSysApKeyManagement::GetPluginsL: plugin 0x%x load failure, err=%d. Probably error in key definitons."), pluginInfo->iPluginUid, err  ) );
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    	 	  	CleanupStack::PopAndDestroy( pluginInfo );
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    	 	  	continue; //just ignore this plugin
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    	 	  	}
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            else 
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                {
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                TRACES( RDebug::Print( _L("CSysApKeyManagement::GetPluginsL: plugin 0x%x load failure, err=%d.Leaving..."), pluginInfo->iPluginUid, err  ) );
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                User::Leave( err );
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                }
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            }
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        //append to array of plugins
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        err = iSysApPlugins.Append( pluginInfo );
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        if ( err != KErrNone )	 //error in append
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            {
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            TRACES( RDebug::Print( _L("CSysApKeyManagement::GetPluginsL: resident plugin 0x%x load failure, err=%d"), pluginInfo->iPluginUid, err  ) );
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            CleanupStack::PopAndDestroy( pluginInfo ); //this deletes also ptrPlugin
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            break;	//probably no more plugins can be read
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            }
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   330
    		
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   331
        TRACES( RDebug::Print( _L("CSysApKeyManagement::GetPluginsL: plugin 0x%x succesfully loaded."), pluginInfo->iPluginUid ) ); 	
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   332
            
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parents:
diff changeset
   333
        CleanupStack::Pop( pluginInfo ); 
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   334
    	}
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parents:
diff changeset
   335
    
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parents:
diff changeset
   336
    pluginInfoArray.Close();
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parents:
diff changeset
   337
    	
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parents:
diff changeset
   338
    CleanupStack::Pop( &pluginInfoArray ); 
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parents:
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   339
    }
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parents:
diff changeset
   340
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parents:
diff changeset
   341
// ----------------------------------------------------------------------------
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parents:
diff changeset
   342
// CSysApKeyManagement::HandleKeyEventL()
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parents:
diff changeset
   343
// Handles key events. SysAppUi calls this function
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   344
// ----------------------------------------------------------------------------
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   345
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parents:
diff changeset
   346
TKeyResponse CSysApKeyManagement::HandleKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType )
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parents:
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   347
    {
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diff changeset
   348
	TRACES( RDebug::Print( _L("CSysApKeyManagement::HandleKeyEventL")) );
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   349
	
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   350
    TKeyResponse response(EKeyWasNotConsumed); //not consumed by default
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parents:
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   351
    
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parents:
diff changeset
   352
    for ( TInt pluginCounter = iSysApPlugins.Count()-1; pluginCounter >= 0; pluginCounter-- )
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parents:
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   353
        {
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diff changeset
   354
        CSysApPluginInfo* info = iSysApPlugins[pluginCounter];
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parents:
diff changeset
   355
        
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parents:
diff changeset
   356
        for ( TInt keyCounter = info->iKeys.Count()-1; keyCounter >= 0; keyCounter-- )
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parents:
diff changeset
   357
            {
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parents:
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   358
            if (aType == EEventKey)
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
                {
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parents:
diff changeset
   360
                if ( info->iKeys[keyCounter].iCode == aKeyEvent.iCode )
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parents:
diff changeset
   361
                    {
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parents:
diff changeset
   362
                    //  a plug-in, don't continue
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
                    TRACES( RDebug::Print( _L("CSysApKeyManagement::HandleKeyEventL: offering key=%d to plugin 0x%x"), 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
                                                  aKeyEvent.iCode, info->iPluginUid ) );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
                    
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
                    if ( info->iPtrPlugin )
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parents:
diff changeset
   367
                        {
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parents:
diff changeset
   368
                        response = info->iPtrPlugin->HandleKeyEventL( aKeyEvent, aType );
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parents:
diff changeset
   369
                        }
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parents:
diff changeset
   370
                    else // non-resident plug-in, needs to be loaded
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parents:
diff changeset
   371
                        {
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parents:
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   372
                        TUid pluginuid(info->iPluginUid); //gets plugin info for this key
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parents:
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   373
                        CSysapKeyHandlerPlugin* plugin = CSysapKeyHandlerPlugin::NewL( pluginuid, &iSysApCallback ); //instantiates plugin
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parents:
diff changeset
   374
                        CleanupStack::PushL( plugin );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
                        response = plugin->HandleKeyEventL( aKeyEvent, aType );
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parents:
diff changeset
   376
                        CleanupStack::PopAndDestroy( plugin );
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parents:
diff changeset
   377
                        }
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parents:
diff changeset
   378
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parents:
diff changeset
   379
                    // only one plugin is allowed to capture a key event, so there is no sense to continue looping regardless
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
                    // whether key has been consumed or not
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parents:
diff changeset
   381
                    return response;                   
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
                    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
                }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
            else if (info->iIsKeyProvider && (aType == EEventKeyUp || aType == EEventKeyDown))
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
                {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
                if ( info->iKeys[keyCounter].iScanCode == aKeyEvent.iScanCode )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
                    {
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
                    //  a plug-in, don't continue
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
                    TRACES( RDebug::Print( _L("CSysApKeyManagement::HandleKeyEventL: offering up or down key scancode =%d to plugin 0x%x"), 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
                                                  aKeyEvent.iScanCode, info->iPluginUid ) );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
                    //key provider plugins are always resident
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
                    return info->iPtrPlugin->HandleKeyEventL( aKeyEvent, aType );
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
                    }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
                }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
            else
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
                {
2e3d3ce01487 Revision: 201002
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parents:
diff changeset
   397
                continue;
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
                }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
            }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
        }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
    return response;        
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
    }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
// ----------------------------------------------------------------------------
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
// CSysApKeyManagement::FindKeyCode()
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
// Helper function for finding a key in plugins.
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
// ----------------------------------------------------------------------------
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
TInt CSysApKeyManagement::FindKeyCode( TUint aKeycode )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
    {
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
    for ( TInt pluginCounter = iSysApPlugins.Count()-1; pluginCounter >= 0; pluginCounter-- )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
        {
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
        CSysApPluginInfo* info = iSysApPlugins[pluginCounter];
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
        
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
        for ( TInt keyCounter = info->iKeys.Count()-1; keyCounter >= 0; keyCounter-- )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
            {
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
            if ( info->iKeys[keyCounter].iCode == aKeycode )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
				{
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
				return keyCounter;	
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
				}
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
            }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
        }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
    
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
    return KErrNotFound;
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
    }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
// ----------------------------------------------------------------------------
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
// CSysApKeyManagement::FindScanCode()
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
// Helper function for finding a key scancode in plugins.
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
// ----------------------------------------------------------------------------
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
TInt CSysApKeyManagement::FindScanCode( TInt aScanCode )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
    {
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
    for ( TInt pluginCounter = iSysApPlugins.Count()-1; pluginCounter >= 0; pluginCounter-- )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
        {
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
        CSysApPluginInfo* info = iSysApPlugins[pluginCounter];
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
        
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
        for ( TInt keyCounter = info->iKeys.Count()-1; keyCounter >= 0; keyCounter-- )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
            {
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
            if ( info->iKeys[keyCounter].iScanCode == aScanCode )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
                {
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
                return keyCounter;  
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
                }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
            }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
        }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
    
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
    return KErrNotFound;
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
    }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
// ----------------------------------------------------------------------------
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
// CSysApKeyManagement::GetKeys()
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
// Helper function for getting the keys supported by plugins
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
// ----------------------------------------------------------------------------
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
TInt CSysApKeyManagement::GetKeys( TLex8& aLex, RArray<TKeyEvent>& aKeys )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
	{
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
	aLex.SkipSpace();
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
	
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
	TUint thiskey;
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
	TInt err = aLex.Val( thiskey );
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
	
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
	if ( err != KErrNone ) //there must be at least one number
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
		{
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
		return KErrAbort;		
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
		}
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
	
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
	while ( err == KErrNone ) //while we have a new key
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
		{
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
		if ( FindKeyCode( thiskey ) == KErrNotFound ) // keys not to be duplicated 
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
			{
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
			TKeyEvent event;
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
			//other values in event not initialized, but
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
			//they are not used anyway
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
			event.iCode = thiskey;
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
			err = aKeys.Append( event ); //append to keys.
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
			
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
			if ( err != KErrNone )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
				{
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
				return err;
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
				}
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
			}
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
		
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
		aLex.SkipSpace();
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
		
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
		err = aLex.Val( thiskey ); //get next new key
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
		}
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
		
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
	if ( aKeys.Count() == 0 ) //no valid keys		
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
		{
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
		return KErrAbort;		
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
		}
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
	
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
	return KErrNone;
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
	}
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
// ----------------------------------------------------------------------------
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
// CSysApKeyManagement::CheckKeys()
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
// Helper function for checking plugin keys
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
// ----------------------------------------------------------------------------
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
TInt CSysApKeyManagement::CheckKeys(RArray<TKeyEvent>& aKeys )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
    {
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
    for ( TInt keyCounter = aKeys.Count()-1;  keyCounter >= 0; keyCounter-- )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
        {
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
        if ( FindKeyCode(aKeys[keyCounter].iCode) != KErrNotFound )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
            {
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
            aKeys.Remove(keyCounter);
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
            }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
        }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
    //check scancodes also just to be sure
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
    //no duplicates should be found is TKeyEvents are properly constructed
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
    for ( TInt keyCounter = aKeys.Count()-1;  keyCounter >= 0; keyCounter-- )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
        {
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
        if ( FindScanCode(aKeys[keyCounter].iScanCode) != KErrNotFound )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
            {
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
            aKeys.Remove(keyCounter);
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
            }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
        }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
    if ( aKeys.Count() )
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
        {
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   522
        return KErrNone;
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   523
        }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   524
    return KErrAbort;
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   525
    }
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
	
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
//  End of File
2e3d3ce01487 Revision: 201002
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528