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 #include "WebContentViewWidget.h"

    23 

    24 #include "ScrollableWebContentView.h"

    25 #include "WebContentAnimationItem.h"

    26 #include "webpagecontroller.h"

    27 #include "WebView.h"

    28 #include "wrtbrowsercontainer.h"

    29 #include "ZoomMetaData.h"

    30 

    31 #include <QGraphicsLinearLayout>

    32 #include <QStyleOptionGraphicsItem>

    33 #include <QWebFrame>

    34 

    35 namespace GVA {

    36 

    37 WebContentViewWidget::WebContentViewWidget(QObject* parent, QWebPage* page)

    38     : m_webViewportProxy(new WebContentAnimationItem())

    39 {

    40     setFlag(QGraphicsItem::ItemUsesExtendedStyleOption, true);

    41     setParent(parent);

    42 

    43     m_webViewport = new ScrollableWebContentView(m_webViewportProxy, this);

    44 

    45     m_webView = new WebView();

    46 

    47     if (page)

    48         setPage(page);

    49 

    50     m_webViewportProxy->setWebView(m_webView);

    51     updatePreferredContentSize();

    52     m_webViewportProxy->setPos(QPointF(0,0));

    53 

    54     //FIX ME : Should we have to delete layout??

    55     QGraphicsLinearLayout* layout = new QGraphicsLinearLayout(Qt::Vertical, this);

    56     layout->setContentsMargins(0,0,0,0);

    57     layout->setSpacing(0.);

    58     layout->addItem(m_webViewport);

    59 

    60     connect(m_webViewportProxy

    61             , SIGNAL(updateZoomActions(bool,bool))

    62             , this

    63             , SIGNAL(updateZoomActions(bool,bool)));

    64     connect(m_webViewport

    65             , SIGNAL(contextEventObject(QWebHitTestResult*))

    66             , this

    67             , SIGNAL(contextEventObject(QWebHitTestResult*)));

    68 

    69     connect(m_webViewport

    70             , SIGNAL(viewScrolled(QPoint&, QPoint&))

    71             , this

    72             , SIGNAL(viewScrolled(QPoint&, QPoint&)));

    73 }

    74 

    75 WebContentViewWidget::~WebContentViewWidget()

    76 {

    77     delete m_webView;

    78     delete m_webViewportProxy;

    79     delete m_webViewport;

    80 }

    81 

    82 void WebContentViewWidget::resizeEvent(QGraphicsSceneResizeEvent* event)

    83 {

    84     QGraphicsWidget::resizeEvent(event);

    85 

    86     setGeometry(QRectF(pos(), size()));

    87     setPreferredSize(size());

    88 }

    89 

    90 QWebPage* WebContentViewWidget::page()

    91 {

    92     return m_webView->page();

    93 }

    94 

    95 void WebContentViewWidget::setPage(QWebPage* page)

    96 {

    97     m_webView->setPage(page);

    98 

    99     connect(this->page()->mainFrame(), SIGNAL(initialLayoutCompleted()), m_webViewport, SLOT(reset()));

   100     connect(this->page()->mainFrame(), SIGNAL(contentsSizeChanged(const QSize &)), m_webViewport, SLOT(contentsSizeChanged(const QSize&)));

   101     connect(this->page()->mainFrame(), SIGNAL(loadFinished(bool)), m_webViewport, SLOT(pageLoadFinished(bool)));

   102 }

   103 

   104 QGraphicsWebView* WebContentViewWidget::webView()

   105 {

   106     return m_webView;

   107 }

   108 

   109 ZoomMetaData WebContentViewWidget::currentPageInfo()

   110 {

   111     return m_webViewport->currentPageInfo();

   112 }

   113 

   114 void WebContentViewWidget::setCurrentPageInfo(ZoomMetaData data)

   115 {

   116     m_webViewport->setCurrentPageInfo(data);

   117 }

   118 

   119 ZoomMetaData WebContentViewWidget::defaultZoomData()

   120 {

   121     return m_webViewport->defaultZoomData();

   122 }

   123 

   124 void WebContentViewWidget::setPageZoom(bool zoomIn)

   125 {

   126     Q_ASSERT(m_webViewport);

   127     m_webViewport->zoomToScreenCenter(zoomIn);

   128 }

   129 

   130 void WebContentViewWidget::showPage(bool isSuperPage)

   131 {

   132     if (!isSuperPage) {

   133         WRT::WrtBrowserContainer* wbc = WebPageController::getSingleton()->currentPage();

   134         setPage((QWebPage*)wbc);  // static_cast here gives compiler error

   135     } else { 

   136         //Its a super page

   137         m_webViewport->setSuperPage();

   138     }

   139 }

   140 

   141 void WebContentViewWidget::updatePreferredContentSize()

   142 {

   143    m_webViewport->updatePreferredContentSize();

   144 }

   145 

   146 } // namespace GVA