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/*
* Copyright (C) 2007 Apple Inc. All rights reserved.
* Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WorkQueueItemQt_h
#define WorkQueueItemQt_h
#include <QPointer>
#include <QString>
#include <qwebframe.h>
#include <qwebpage.h>
class WorkQueueItem {
public:
WorkQueueItem(QWebPage *page) : m_webPage(page) {}
virtual ~WorkQueueItem() { }
virtual bool invoke() const = 0;
protected:
QPointer<QWebPage> m_webPage;
};
class LoadItem : public WorkQueueItem {
public:
LoadItem(const QString &url, const QString &target, QWebPage *page)
: WorkQueueItem(page)
, m_url(url)
, m_target(target)
{
}
QString url() const { return m_url; }
QString target() const { return m_target; }
virtual bool invoke() const;
private:
QString m_url;
QString m_target;
};
class LoadHTMLStringItem : public WorkQueueItem {
public:
LoadHTMLStringItem(const QString& content, const QString &baseURL, QWebPage *page)
: WorkQueueItem(page)
, m_content(content)
, m_baseURL(baseURL)
{
}
private:
virtual bool invoke() const;
QString m_content;
QString m_baseURL;
};
class LoadAlternateHTMLStringItem : public WorkQueueItem {
public:
LoadAlternateHTMLStringItem(const QString& content, const QString& baseURL, const QString &failingURL, QWebPage *page)
: WorkQueueItem(page)
, m_content(content)
, m_baseURL(baseURL)
, m_failingURL(failingURL)
{
}
private:
virtual bool invoke() const;
QString m_content;
QString m_baseURL;
QString m_failingURL;
};
class ReloadItem : public WorkQueueItem {
public:
ReloadItem(QWebPage *page)
: WorkQueueItem(page)
{
}
virtual bool invoke() const;
};
class ScriptItem : public WorkQueueItem {
public:
ScriptItem(const QString &script, QWebPage *page)
: WorkQueueItem(page)
, m_script(script)
{
}
QString script() const { return m_script; }
virtual bool invoke() const;
private:
QString m_script;
};
class LoadingScriptItem : public ScriptItem {
public:
LoadingScriptItem(const QString& script, QWebPage* page)
: ScriptItem(script, page)
{
}
virtual bool invoke() const { return ScriptItem::invoke(); }
};
class NonLoadingScriptItem : public ScriptItem {
public:
NonLoadingScriptItem(const QString& script, QWebPage* page)
: ScriptItem(script, page)
{
}
virtual bool invoke() const { ScriptItem::invoke(); return false; }
};
class BackForwardItem : public WorkQueueItem {
public:
virtual bool invoke() const;
protected:
BackForwardItem(int howFar, QWebPage *page)
: WorkQueueItem(page)
, m_howFar(howFar)
{
}
int m_howFar;
};
class BackItem : public BackForwardItem {
public:
BackItem(unsigned howFar, QWebPage *page)
: BackForwardItem(-howFar, page)
{
}
};
class ForwardItem : public BackForwardItem {
public:
ForwardItem(unsigned howFar, QWebPage *page)
: BackForwardItem(howFar, page)
{
}
};
#endif // !defined(WorkQueueItemQt_h)
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