--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/widgetengine/src/WidgetEventHandler.cpp Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,113 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: Implemetation of WidgetEventHandler
+*
+*/
+#include "WidgetEventHandler.h"
+#include "config.h"
+#include <kjs/object.h>
+
+// ============================ MEMBER FUNCTIONS ===============================
+using namespace KJS;
+
+
+// ----------------------------------------------------------------------------
+// WidgetEventHandler::WidgetEventHandler
+//
+//
+//
+// ----------------------------------------------------------------------------
+WidgetEventHandler::WidgetEventHandler( JSValue* aValue, ExecState* aExecState ) : iGlobalExecState (aExecState)
+{
+ iEventHandler = aValue;
+ Collector::protect(iEventHandler);
+}
+
+
+// ----------------------------------------------------------------------------
+// WidgetEventHandler::~WidgetEventHandler
+//
+//
+//
+// ----------------------------------------------------------------------------
+WidgetEventHandler::~WidgetEventHandler()
+{
+ Collector::unprotect(iEventHandler);
+}
+
+// ----------------------------------------------------------------------------
+// WidgetEventHandler::Delete
+// Delete event handler if it isn't handling an event
+// If InvokeCall is executing then delete after it's done.
+//
+// ----------------------------------------------------------------------------
+void WidgetEventHandler::Delete()
+{
+ if (iInUse) {
+ iSelfDelete = ETrue;
+ }
+ else {
+ delete this;
+ }
+
+}
+// ----------------------------------------------------------------------------
+// WidgetEventHandler::InvokeCall
+// Invokes the callback function
+//
+//
+// ----------------------------------------------------------------------------
+void WidgetEventHandler::InvokeCall( const TInt& aParam )
+{
+
+ iInUse = ETrue;
+ if (iEventHandler) {
+
+ JSLock::lock();
+ if (iGlobalExecState &&
+ iGlobalExecState->dynamicInterpreter())
+ {
+
+ if (iEventHandler &&
+ !iEventHandler->isNull() &&
+ iEventHandler->isObject()) {
+
+ KJS::List args;
+ if ( aParam != -1 ) {
+ args.append( jsNumber(aParam) );
+ }
+
+ JSObject* objFunc = static_cast<JSObject*>(iEventHandler);
+ if (objFunc->implementsCall()) {
+ objFunc->call(iGlobalExecState,iGlobalExecState->dynamicInterpreter()->globalObject(),args);
+ }
+
+ if ( iGlobalExecState->hadException() ) {
+ iGlobalExecState->clearException();
+ }
+ }
+
+ }
+
+ JSLock::unlock();
+ }
+
+ iInUse = EFalse;
+ if (iSelfDelete)
+ {
+ delete this;
+ }
+
+}
+