demos/embedded/anomaly/src/webview.cpp
branchRCL_3
changeset 4 3b1da2848fc7
child 23 89e065397ea6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/embedded/anomaly/src/webview.cpp	Fri Feb 19 23:40:16 2010 +0200
@@ -0,0 +1,80 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the demos of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "webview.h"
+
+#include <QPaintEvent>
+#include <QWebFrame>
+
+WebView::WebView(QWidget *parent)
+    : QWebView(parent)
+    , inLoading(false)
+{
+    connect(this, SIGNAL(loadStarted()), this, SLOT(newPageLoading()));
+    connect(this, SIGNAL(loadFinished(bool)), this, SLOT(pageLoaded(bool)));
+    page()->setPreferredContentsSize(QSize(1024, 768));
+}
+
+void WebView::paintEvent(QPaintEvent *event)
+{
+    if (inLoading && loadingTime.elapsed() < 750) {
+        QPainter painter(this);
+        painter.setBrush(Qt::white);
+        painter.setPen(Qt::NoPen);
+        foreach (const QRect &rect, event->region().rects()) {
+            painter.drawRect(rect);
+        }
+    } else {
+        QWebView::paintEvent(event);
+    }
+}
+
+void WebView::newPageLoading()
+{
+    inLoading = true;
+    loadingTime.start();
+}
+
+void WebView::pageLoaded(bool)
+{
+    inLoading = false;
+    update();
+}