1 /*

     2  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)

     3  * Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions

     7  * are met:

     8  *

     9  * 1.  Redistributions of source code must retain the above copyright

    10  *     notice, this list of conditions and the following disclaimer.

    11  * 2.  Redistributions in binary form must reproduce the above copyright

    12  *     notice, this list of conditions and the following disclaimer in the

    13  *     documentation and/or other materials provided with the distribution.

    14  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

    15  *     its contributors may be used to endorse or promote products derived

    16  *     from this software without specific prior written permission.

    17  *

    18  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

    19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

    20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

    21  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

    22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

    23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

    24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

    25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

    27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    28  */

    29 #include "config.h"

    30 #include "WorkQueueItemQt.h"

    31 

    32 QWebFrame* findFrameNamed(const QString& frameName, QWebFrame* frame)

    33 {

    34     if (frame->frameName() == frameName)

    35         return frame;

    36 

    37     foreach (QWebFrame* childFrame, frame->childFrames())

    38         if (QWebFrame* f = findFrameNamed(frameName, childFrame))

    39             return f;

    40 

    41     return 0;

    42 }

    43 

    44 bool LoadItem::invoke() const

    45 {

    46     //qDebug() << ">>>LoadItem::invoke";

    47     Q_ASSERT(m_webPage);

    48 

    49     QWebFrame* frame = 0;

    50     const QString t = target();

    51     if (t.isEmpty())

    52         frame = m_webPage->mainFrame();

    53     else

    54         frame = findFrameNamed(t, m_webPage->mainFrame());

    55 

    56     if (!frame)

    57         return false;

    58 

    59     frame->load(url());

    60     return true;

    61 }

    62 

    63 bool LoadHTMLStringItem::invoke() const

    64 {

    65     Q_ASSERT(m_webPage);

    66 

    67     QWebFrame* frame = m_webPage->mainFrame();

    68     if (!frame)

    69         return false;

    70 

    71     frame->setHtml(m_content, QUrl(m_baseURL));

    72     return true;

    73 }

    74 

    75 bool ReloadItem::invoke() const

    76 {

    77     //qDebug() << ">>>ReloadItem::invoke";

    78     Q_ASSERT(m_webPage);

    79     m_webPage->triggerAction(QWebPage::Reload);

    80     return true;

    81 }

    82 

    83 bool ScriptItem::invoke() const

    84 {

    85     //qDebug() << ">>>ScriptItem::invoke";

    86     Q_ASSERT(m_webPage);

    87     m_webPage->mainFrame()->evaluateJavaScript(script());

    88     return true;

    89 }

    90 

    91 bool BackForwardItem::invoke() const

    92 {

    93     //qDebug() << ">>>BackForwardItem::invoke";

    94     Q_ASSERT(m_webPage);

    95     if (!m_howFar)

    96         return false;

    97 

    98     if (m_howFar > 0) {

    99         for (int i = 0; i != m_howFar; ++i)

   100             m_webPage->triggerAction(QWebPage::Forward);

   101     } else {

   102         for (int i = 0; i != m_howFar; --i)

   103             m_webPage->triggerAction(QWebPage::Back);

   104     }

   105     return true;

   106 }