1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 *

     5 * This program is free software: you can redistribute it and/or modify

     6 * it under the terms of the GNU Lesser General Public License as published by

     7 * the Free Software Foundation, version 2.1 of the License.

     8 *

     9 * This program is distributed in the hope that it will be useful,

    10 * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12 * GNU Lesser General Public License for more details.

    13 *

    14 * You should have received a copy of the GNU Lesser General Public License

    15 * along with this program.  If not,

    16 * see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

    17 *

    18 * Description:

    19 *

    20 */

    21 

    22 #ifndef WebContentAnimationItem_h

    23 #define WebContentAnimationItem_h

    24 

    25 #include "ViewportMetaDataParser.h"

    26 

    27 #include <QGraphicsWidget>

    28 #include <QTimer>

    29 

    30 class QGraphicsWebView;

    31 

    32 namespace GVA {

    33 

    34 class WebContentAnimationItem : public QGraphicsWidget {

    35     Q_OBJECT

    36     Q_PROPERTY(qreal zoomScale READ zoomScale WRITE setZoomScale)

    37 

    38 public:

    39     WebContentAnimationItem(QGraphicsWidget* parent = 0, Qt::WindowFlags wFlags = 0);

    40     ~WebContentAnimationItem();

    41 

    42     void setWebView(QGraphicsWebView* webView);

    43     QGraphicsWebView* webView() const { return m_webView; }

    44 

    45     void updatePreferredContentSize(const QSize& size);

    46     QSize contentsSize() const;

    47 

    48     void setZoomScale(qreal, bool immediateCommit = false);

    49     qreal zoomScale() const;

    50 

    51     QRectF findZoomableRectForPoint(const QPointF& point);

    52 

    53     void setViewportMetaData(ViewportMetaData* viewportMetaData) { m_viewportMetaData = viewportMetaData; }

    54 

    55 public Q_SLOTS:

    56     void enableContentUpdates();

    57     void disableContentUpdates();

    58     void commitZoom();

    59 

    60 protected:

    61     void resizeEvent(QGraphicsSceneResizeEvent* event);

    62 	void notifyZoomActions(qreal newScale);

    63 

    64 Q_SIGNALS:

    65     void updateZoomActions(bool enableZoomIn, bool enableZoomOut);

    66 

    67 private:

    68     QGraphicsWebView* m_webView;

    69     QTimer m_zoomCommitTimer;

    70     ViewportMetaData* m_viewportMetaData; //Not owned!

    71 }; //WebContentAnimationItem

    72 

    73 } //namespace GVA

    74 

    75 #endif //WebContentAnimationItem_h

    76