--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/homescreenapp/hsdomainmodel/src/hswidgetcomponent.cpp	Mon May 03 12:24:59 2010 +0300
@@ -0,0 +1,153 @@
+/*
+* Copyright (c) 2009 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 <QCoreApplication>
+#include <QDir>
+
+#include "hswidgetcomponentregistry.h"
+#include "hswidgetcomponent.h"
+#include "hsapp_defs.h"
+#include "caservice.h"
+#include "caquery.h"
+#include "canotifier.h"
+
+/*!
+
+*/
+HsWidgetComponent::~HsWidgetComponent()
+{
+}
+
+/*!
+
+*/
+QString HsWidgetComponent::rootPath() const
+{
+    return mRootPath;
+}
+
+/*!
+
+*/
+QString HsWidgetComponent::uri() const
+{
+    return mUri;
+}
+
+/*!
+
+*/
+HsWidgetComponent::HsWidgetComponent(const QString &uri, QObject *parent)
+  : QObject(parent),
+    mUri(uri)
+{
+    listenChangeEvents();
+	resolveRootPath();
+	installTranslator();
+}
+
+/*!
+
+*/
+void HsWidgetComponent::listenChangeEvents()
+{
+	CaQuery query;
+    query.setEntryTypeNames(QStringList(widgetTypeName()));
+	CaNotifierFilter filter(query);  
+    CaNotifier *notifier = CaService::instance()->createNotifier(filter);
+    notifier->setParent(this);
+    connect(notifier,
+            SIGNAL(entryChanged(CaEntry,ChangeType)),
+            SLOT(onEntryChanged(CaEntry,ChangeType)));
+}
+
+/*!
+
+*/
+void HsWidgetComponent::resolveRootPath()
+{
+	CaQuery query;
+    query.setEntryTypeNames(QStringList(widgetTypeName()));
+	query.setAttribute(widgetUriAttributeName(), mUri);
+	QList< QSharedPointer<CaEntry> > widgetEntries = CaService::instance()->getEntries(query);
+	
+    if (widgetEntries.isEmpty()) {
+		return;
+	}
+    QSharedPointer<CaEntry> entry = widgetEntries.first();
+    mRootPath = entry->attribute(widgetPathAttributeName());
+}
+
+/*!
+
+*/
+void HsWidgetComponent::installTranslator()
+{
+    QStringList possiblePaths;
+#ifdef Q_OS_WIN32
+    possiblePaths << "resource/qt/translations";
+#else
+    
+    QDir currentDir(mRootPath);
+    if (!currentDir.exists() || mRootPath.isEmpty()) {
+        return;
+    }
+    while (currentDir.cdUp()) {}
+    QString drive = currentDir.path();
+    drive.append("resource/qt/translations");
+    possiblePaths << drive;
+    // if it is not in installed,then check z drive
+    possiblePaths << "z:/resource/qt/translations";
+#endif
+    
+    for(int i=0; i<possiblePaths.count(); ++i) {
+        QString candidate = QDir::toNativeSeparators(possiblePaths.at(i));   
+        if (QDir(candidate).exists()) {
+            QString fileName(mUri);
+		    fileName.append("_");
+		    fileName.append(QLocale::system().name());
+            if (mTranslator.load(fileName, candidate)) {
+                QCoreApplication::installTranslator(&mTranslator);
+		        break;
+            }
+	    }
+    }
+}
+
+/*!
+
+*/
+void HsWidgetComponent::uninstallTranslator()
+{
+    QCoreApplication::removeTranslator(&mTranslator);
+}
+
+/*!
+    This slot reacts to \a entry change that is described with 
+    \a changeType. On remove change type, aboutToUninstall() signal is
+    emitted.
+*/
+void HsWidgetComponent::onEntryChanged(const CaEntry &entry, ChangeType changeType)
+{
+    if (changeType == RemoveChangeType) {
+        QString uri = entry.attribute(widgetUriAttributeName());
+        if (uri == mUri) {
+           	uninstallTranslator();
+			emit aboutToUninstall();
+        }
+    }
+}