--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telutils/dialpad/src/dialpademergencycalleventfilter.cpp	Tue Aug 31 15:45:17 2010 +0300
@@ -0,0 +1,114 @@
+/*
+* Copyright (c) 2010 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: 
+*
+*/
+#include <QKeyEvent>
+#include <hblineedit.h>
+#include <hbstringutil.h>
+#include "dialpademergencycalleventfilter.h"
+#include "dialpad.h"
+#include "qtphonesrvlog.h"
+
+#ifdef Q_OS_SYMBIAN
+#include <cphcltemergencycall.h>
+#include <phclttypes.h>
+#endif //Q_OS_SYMBIAN
+
+
+DialpadEmergencyCallEventFilter::DialpadEmergencyCallEventFilter(Dialpad* dialpad, QObject* parent) :
+    QObject(parent), mDialpad(dialpad), mEmergency(0)
+{
+    PHONE_TRACE;
+#ifdef Q_OS_SYMBIAN
+    TRAP_IGNORE(mEmergency = CPhCltEmergencyCall::NewL( NULL ));
+#endif // Q_OS_SYMBIAN
+    mDialpad->setCallButtonEnabled(false);
+    connect(&mDialpad->editor(),SIGNAL(contentsChanged()),
+            this,SLOT(editorTextChanged()));
+}
+
+DialpadEmergencyCallEventFilter::~DialpadEmergencyCallEventFilter()
+{
+}
+
+bool DialpadEmergencyCallEventFilter::eventFilter(QObject *watched, QEvent *event)
+{
+    PHONE_TRACE;
+    Q_UNUSED(watched)
+    
+    bool eventFiltered = false;
+#ifdef Q_OS_SYMBIAN
+       
+    const int eventType = event->type();
+       
+    if (eventType == QEvent::KeyPress) {
+        QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
+        const int keyCode = keyEvent->key();
+        if (keyCode == Qt::Key_Yes ||
+             keyCode == Qt::Key_Enter) {           
+            if (isEmergencyNumber(editorText())) {
+                createCall(editorText());
+                eventFiltered = true;
+            }            
+        }
+    }
+#else
+    Q_UNUSED(event)
+#endif // Q_OS_SYMBIAN
+    
+    return eventFiltered;
+}
+
+bool DialpadEmergencyCallEventFilter::isEmergencyNumber(QString string)
+{
+    PHONE_TRACE;
+    bool ret = false;
+#ifdef Q_OS_SYMBIAN
+    if (KPhCltTelephoneNumberLength >= string.length()) {
+        TBool emergency;
+        TPhCltTelephoneNumber number(reinterpret_cast<const TUint16*>(string.utf16()));
+        if (mEmergency && 
+           KErrNone == mEmergency->IsEmergencyPhoneNumber(number, emergency)) {
+            ret = emergency;
+        }               
+    }
+#else
+    Q_UNUSED(string)
+#endif // Q_OS_SYMBIAN
+    return ret;
+}
+
+QString DialpadEmergencyCallEventFilter::editorText()
+{
+    PHONE_TRACE;
+    return HbStringUtil::convertDigitsTo(
+                mDialpad->editor().text(), WesternDigit);
+}
+
+void DialpadEmergencyCallEventFilter::createCall(const QString &phoneNumber)
+{
+    PHONE_TRACE2("phoneNumber:", phoneNumber);
+#ifdef Q_OS_SYMBIAN
+    TPtrC number (static_cast<const TUint16*>(phoneNumber.utf16()),
+            phoneNumber.length());
+    TRAP_IGNORE(mEmergency->DialEmergencyCallL(number));
+#endif // Q_OS_SYMBIAN
+}
+
+void DialpadEmergencyCallEventFilter::editorTextChanged()
+{
+    mDialpad->setCallButtonEnabled(isEmergencyNumber(editorText())); 
+}
+