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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef WEBVIEW_P_H
+#define WEBVIEW_P_H
+
+#include "webview.h"
+#include <QtWebKit/qgraphicswebview.h>
+#include <QtWebKit/qwebpage.h>
+#include <QtWebKit/qwebframe.h>
+#include <QGraphicsEffect>
+#include <QPainter>
+#include <QPixmapCache>
+#include <QTimer>
+#include <QDebug>
+
+class WebViewCache;
+
+class WebViewPrivate {
+public:
+
+ WebViewPrivate(WebView *w);
+ void adjustSize();
+ void _q_loadStarted();
+ void _q_loadProgress(int);
+ void _q_loadFinished(bool);
+ void _q_viewportChanged(QGraphicsWidget*);
+ void _q_motionEnded();
+
+ WebView *q;
+ QGraphicsWebView *web;
+ WebViewCache *cache;
+ QTimer motionTimer;
+};
+
+class WebViewCache : public QGraphicsEffect
+{
+ Q_OBJECT
+
+public:
+
+ WebViewCache(QGraphicsWebView *webView);
+ virtual ~WebViewCache();
+
+public:
+
+ void refresh();
+
+ void draw(QPainter * painter, QGraphicsEffectSource * source);
+
+private:
+
+ QVector<QRectF> m_tileRects;
+ QVector<QPixmapCache::Key> m_tilePixmaps;
+ QSizeF m_itemSize;
+ QGraphicsWebView *m_webView;
+
+ friend class WebViewPrivate;
+};
+
+#endif // WEBVIEW_P_H