1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kernel/eka/ewsrv/ky_capt.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,164 @@
1.4 +// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of the License "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// e32\ewsrv\ky_capt.cpp
1.18 +// Provides the operations of setting and cancelling capture-keys
1.19 +//
1.20 +//
1.21 +
1.22 +#include <e32svr.h>
1.23 +#include <k32keys.h>
1.24 +
1.25 +const TInt KCaptureKeyArrayGranularity=5;
1.26 +
1.27 +EXPORT_C CCaptureKeys::CCaptureKeys()
1.28 + : iCKarray(KCaptureKeyArrayGranularity, _FOFF(TCaptureKey,iHandle))
1.29 + {
1.30 + }
1.31 +
1.32 +EXPORT_C void CCaptureKeys::Construct()
1.33 +//
1.34 +//
1.35 +//
1.36 + {
1.37 + }
1.38 +
1.39 +EXPORT_C CCaptureKeys::~CCaptureKeys()
1.40 +//
1.41 +// Destructor
1.42 +//
1.43 + {
1.44 + iCKarray.Close();
1.45 + }
1.46 +
1.47 +void CCaptureKeys::CheckCaptureKey(const TCaptureKey& aCaptureKey)
1.48 + {
1.49 +
1.50 + if ((aCaptureKey.iModifiers.iValue&~aCaptureKey.iModifiers.iMask)!=0)
1.51 + User::Leave(KErrArgument);
1.52 + }
1.53 +
1.54 +EXPORT_C void CCaptureKeys::AddCaptureKeyL(const TCaptureKey& aCaptureKey)
1.55 +//
1.56 +// Adds the specified capture-key to the list
1.57 +//
1.58 + {
1.59 +
1.60 + AddCaptureKeyL(aCaptureKey,0);
1.61 + }
1.62 +
1.63 +EXPORT_C void CCaptureKeys::AddCaptureKeyL(const TCaptureKey& aCaptureKey, TUint8 aPriority)
1.64 +//
1.65 +// Adds the specified capture-key to the beginning of the list
1.66 +//
1.67 + {
1.68 +
1.69 + TCaptureKey captureKey(aCaptureKey);
1.70 + captureKey.iKeyCodePattern.iFiller = aPriority;// Priority is stored in spare data member 'iFiller'
1.71 + CheckCaptureKey(captureKey);
1.72 + User::LeaveIfError(iCKarray.Insert(captureKey,0));
1.73 + }
1.74 +
1.75 +EXPORT_C void CCaptureKeys::SetCaptureKey(TUint32 aHandle, const TCaptureKey& aCaptureKey)
1.76 +//
1.77 +// Finds the first capture-key from the list that matches the handle and sets
1.78 +// it to the new value.
1.79 +//
1.80 + {
1.81 +
1.82 + SetCaptureKey(aHandle,aCaptureKey,0);
1.83 + }
1.84 +
1.85 +EXPORT_C void CCaptureKeys::SetCaptureKey(TUint32 aHandle, const TCaptureKey& aCaptureKey, TUint8 aPriority)
1.86 +//
1.87 +// Finds the first capture-key from the list that matches the handle and sets
1.88 +// it to the new value.
1.89 +//
1.90 + {
1.91 +
1.92 + TCaptureKey captureKey(aCaptureKey);
1.93 + captureKey.iKeyCodePattern.iFiller = aPriority;// Priority is stored in spare data member 'iFiller'
1.94 + CheckCaptureKey(captureKey);
1.95 + TCaptureKey ck;
1.96 + ck.iHandle=aHandle;
1.97 + TInt r=iCKarray.Find(ck);
1.98 + if (r>=0)
1.99 + iCKarray[r]=captureKey;
1.100 + }
1.101 +
1.102 +void CCaptureKeys::removeCaptureKey(TUint aIndex)
1.103 +//
1.104 +// Removes the capture-key at the given aIndex from the list
1.105 +//
1.106 + {
1.107 +
1.108 + iCKarray.Remove(aIndex);
1.109 + }
1.110 +
1.111 +EXPORT_C void CCaptureKeys::CancelCaptureKey(TUint32 aHandle)
1.112 +//
1.113 +// Removes the first capture-key from the list that matches the handle;
1.114 +//
1.115 + {
1.116 +
1.117 + TCaptureKey ck;
1.118 + ck.iHandle=aHandle;
1.119 + TInt r=iCKarray.Find(ck);
1.120 + if (r>=0)
1.121 + iCKarray.Remove(r);
1.122 + }
1.123 +
1.124 +EXPORT_C void CCaptureKeys::CancelAllCaptureKeys(TUint32 aApp)
1.125 +//
1.126 +// Removes all capture-keys from the list that match the given application handle
1.127 +//
1.128 + {
1.129 +
1.130 + TInt i=iCKarray.Count();
1.131 + while(--i>=0)
1.132 + {
1.133 + if (iCKarray[i].iApp==aApp)
1.134 + iCKarray.Remove(i);
1.135 + }
1.136 + }
1.137 +
1.138 +EXPORT_C void CCaptureKeys::ProcessCaptureKeys(TKeyData& aKeyData) const
1.139 +//
1.140 +// Sets aKeyData.iIsCaptureKey to true if the given aKeyCode match a capture-key in the list
1.141 +// and sets aKeyData.iApp to the handle of the last application that set it;
1.142 +// otherwise sets aKeyData.iIsCaptureKey to false and aKeyData.iApp to 0.
1.143 +//
1.144 + {
1.145 +
1.146 + TCharExtended ch=aKeyData.iKeyCode;
1.147 + aKeyData.iIsCaptureKey=EFalse;
1.148 + aKeyData.iApp = 0x0;
1.149 + TInt c=iCKarray.Count();
1.150 + TInt i;
1.151 + TInt priority=KMinTInt;
1.152 + for (i=0; i<c; i++)
1.153 + {
1.154 + const TCaptureKey& ck=iCKarray[i];
1.155 + if ( ch.MatchesPattern(ck.iKeyCodePattern) && MatchesMaskedValue(aKeyData.iModifiers, ck.iModifiers) )
1.156 + {
1.157 + if(ck.iKeyCodePattern.iFiller>priority)
1.158 + {
1.159 + priority=ck.iKeyCodePattern.iFiller;
1.160 + aKeyData.iApp=ck.iApp;
1.161 + aKeyData.iHandle=ck.iHandle;
1.162 + aKeyData.iIsCaptureKey=ETrue;
1.163 + }
1.164 + }
1.165 + }
1.166 + }
1.167 +