ginebra2/PopupWebChromeItem.cpp
changeset 0 1450b09d0cfd
child 3 0954f5dd2cd0
child 5 0f2326c2a325
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ginebra2/PopupWebChromeItem.cpp	Tue May 04 12:39:35 2010 +0300
@@ -0,0 +1,137 @@
+/*
+* 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 "PopupWebChromeItem.h"
+#include "ChromeWidget.h"
+#include "WebChromeSnippet.h"
+
+namespace GVA {
+
+PopupWebChromeItem::PopupWebChromeItem(
+        const QRectF & ownerArea,
+        ChromeWidget * chrome,
+        const QWebElement & element,
+        QGraphicsItem * parent)
+: WebChromeItem(ownerArea, chrome, element, parent)
+{
+}
+
+PopupWebChromeItem::~PopupWebChromeItem()
+{}
+
+void PopupWebChromeItem::init(WebChromeSnippet * snippet)
+{
+    WebChromeItem::init(snippet);
+
+    // Forward externalMouseEvent signals from context items.
+    QObject::connect(
+            this,
+            SIGNAL(externalMouseEvent(int, const QString &, const QString &)),
+            snippet,
+            SIGNAL(externalMouseEvent(int, const QString &, const QString &)));
+}
+
+bool PopupWebChromeItem::event(QEvent * e)
+{
+    // Check for external events grabbed by this item.
+
+    checkForExternalEvent(this, e);
+
+    switch(e->type()) {
+      case QEvent::Show:
+        scene()->installEventFilter(this);
+        break;
+      case QEvent::Hide:
+        scene()->removeEventFilter(this);
+        break;
+      default: break;
+    }
+
+    // Let the parent class handle the event.
+
+    return WebChromeItem::event(e);
+}
+
+bool PopupWebChromeItem::eventFilter(QObject * o, QEvent * e)
+{
+    // Check for external events NOT grabbed by this item.
+
+    checkForExternalEvent(o, e);
+
+    // Don't filter any events.
+
+    return false;
+}
+
+void PopupWebChromeItem::checkForExternalEvent(QObject * o, QEvent * e)
+{
+    Q_UNUSED(o);
+
+    // Ignore all events when this item is not showing.
+
+    if (!isVisible()) {
+        return;
+    }
+
+    // Ignore all but a few mouse press events.
+
+    switch (e->type()) {
+    case QEvent::GraphicsSceneMousePress:
+    case QEvent::GraphicsSceneMouseRelease:
+    case QEvent::GraphicsSceneMouseDoubleClick:
+    case QEvent::GraphicsSceneResize:
+        break;
+    default:
+        return;
+    }
+
+    // Check where the mouse press event occurred.
+    // If it was outside this item's bounding rectangle,
+    // then tell the world.
+
+    if(e->type() == QEvent::GraphicsSceneResize)
+    {
+    	emitExternalEvent(e);
+    	return;
+    }
+    
+    QGraphicsSceneMouseEvent * me = static_cast<QGraphicsSceneMouseEvent*>(e);
+
+    QPointF eventPosition = me->scenePos();
+
+    QRectF itemGeometry = sceneBoundingRect();
+
+    if (!itemGeometry.contains(eventPosition)) {
+        emitExternalEvent(e);
+    }
+}
+
+void PopupWebChromeItem::emitExternalEvent(QEvent * e)
+{
+    QString description;
+
+    QDebug stream(&description);
+    stream << e;
+
+    QString name = description;
+    name.truncate(name.indexOf('('));
+
+    emit externalMouseEvent(e->type(), name, description.trimmed());
+}
+
+} // end of namespace GVA