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      1 /*
      2  * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
      3  * Copyright (C) 2009 Girish Ramakrishnan <girish (at) forwardbias.in>
      4  * Copyright (C) 2006 George Staikos <staikos (at) kde.org>
      5  * Copyright (C) 2006 Dirk Mueller <mueller (at) kde.org>
      6  * Copyright (C) 2006 Zack Rusin <zack (at) kde.org>
      7  * Copyright (C) 2006 Simon Hausmann <hausmann (at) kde.org>
      8  *
      9  * All rights reserved.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     21  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     28  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #ifndef webview_h
     34 #define webview_h
     35 
     36 #include "webpage.h"
     37 #include <qwebview.h>
     38 #include <qgraphicswebview.h>
     39 #include <QGraphicsView>
     40 #include <QGraphicsWidget>
     41 #include <QTime>
     42 
     43 class WebViewTraditional : public QWebView {
     44     Q_OBJECT
     45 
     46 public:
     47     WebViewTraditional(QWidget* parent) : QWebView(parent) {}
     48 
     49 protected:
     50     virtual void contextMenuEvent(QContextMenuEvent*);
     51     virtual void mousePressEvent(QMouseEvent*);
     52 };
     53 
     54 
     55 class GraphicsWebView : public QGraphicsWebView {
     56     Q_OBJECT
     57 
     58 public:
     59     GraphicsWebView(QGraphicsItem* parent = 0) : QGraphicsWebView(parent) {};
     60 
     61 protected:
     62     virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent*);
     63     virtual void mousePressEvent(QGraphicsSceneMouseEvent*);
     64 };
     65 
     66 
     67 class WebViewGraphicsBased : public QGraphicsView {
     68     Q_OBJECT
     69 
     70 public:
     71     WebViewGraphicsBased(QWidget* parent);
     72     virtual void resizeEvent(QResizeEvent*);
     73     void setPage(QWebPage* page) { m_item->setPage(page); }
     74     void setItemCacheMode(QGraphicsItem::CacheMode mode) { m_item->setCacheMode(mode); }
     75 
     76     void enableFrameRateMeasurement();
     77     virtual void paintEvent(QPaintEvent* event);
     78 
     79 public slots:
     80     void updateFrameRate();
     81 
     82 private:
     83     GraphicsWebView* m_item;
     84     int m_numPaintsTotal;
     85     int m_numPaintsSinceLastMeasure;
     86     QTime m_startTime;
     87     QTime m_lastConsultTime;
     88     bool m_measureFps;
     89 };
     90 
     91 #endif
     92