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mirror of https://invent.kde.org/network/falkon.git synced 2024-11-11 17:42:10 +01:00
falkonOfficial/src/lib/tools/pagethumbnailer.cpp
2014-01-11 16:11:42 +01:00

142 lines
3.6 KiB
C++

/* ============================================================
* QupZilla - WebKit based browser
* Copyright (C) 2010-2014 David Rosca <nowrep@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* ============================================================ */
#include "pagethumbnailer.h"
#include "mainapplication.h"
#include "networkmanagerproxy.h"
#include <QWebPage>
#include <QWebFrame>
#include <QPainter>
CleanPluginFactory::CleanPluginFactory(QObject* parent)
: QWebPluginFactory(parent)
{
}
QList<QWebPluginFactory::Plugin> CleanPluginFactory::plugins() const
{
return QList<QWebPluginFactory::Plugin>();
}
QObject* CleanPluginFactory::create(const QString &mimeType, const QUrl &url, const QStringList &argumentNames, const QStringList &argumentValues) const
{
Q_UNUSED(mimeType)
Q_UNUSED(url)
Q_UNUSED(argumentNames)
Q_UNUSED(argumentValues)
return new QObject;
}
PageThumbnailer::PageThumbnailer(QObject* parent)
: QObject(parent)
, m_page(new QWebPage(this))
, m_size(QSize(450, 253))
, m_loadTitle(false)
{
NetworkManagerProxy* networkProxy = new NetworkManagerProxy(this);
networkProxy->setPrimaryNetworkAccessManager(mApp->networkManager());
m_page->setNetworkAccessManager(networkProxy);
m_page->mainFrame()->setScrollBarPolicy(Qt::Horizontal, Qt::ScrollBarAlwaysOff);
m_page->mainFrame()->setScrollBarPolicy(Qt::Vertical, Qt::ScrollBarAlwaysOff);
// HD Ready -,-
// Every page should fit in this resolution
m_page->setViewportSize(QSize(1280, 720));
}
void PageThumbnailer::setSize(const QSize &size)
{
if (size.isValid()) {
m_size = size;
}
}
void PageThumbnailer::setUrl(const QUrl &url)
{
if (url.isValid()) {
m_url = url;
}
}
QUrl PageThumbnailer::url()
{
return m_url;
}
bool PageThumbnailer::loadTitle()
{
return m_loadTitle;
}
void PageThumbnailer::setLoadTitle(bool load)
{
m_loadTitle = load;
}
QString PageThumbnailer::title()
{
QString title = m_title.isEmpty() ? m_url.host() : m_title;
if (title.isEmpty()) {
title = m_url.toString();
}
return title;
}
void PageThumbnailer::setEnableFlash(bool enable)
{
if (!enable) {
m_page->setPluginFactory(new CleanPluginFactory);
}
}
void PageThumbnailer::start()
{
m_page->mainFrame()->load(m_url);
connect(m_page, SIGNAL(loadFinished(bool)), this, SLOT(createThumbnail(bool)));
}
void PageThumbnailer::createThumbnail(bool status)
{
if (!status) {
emit thumbnailCreated(QPixmap());
return;
}
m_title = m_page->mainFrame()->title().trimmed();
QPixmap pixmap(2 * m_size);
qreal scalingFactor = 2 * static_cast<qreal>(m_size.width()) / 1280;
QPainter painter(&pixmap);
painter.scale(scalingFactor, scalingFactor);
m_page->mainFrame()->render(&painter, QWebFrame::ContentsLayer);
painter.end();
emit thumbnailCreated(pixmap.scaled(m_size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
}
PageThumbnailer::~PageThumbnailer()
{
m_page->deleteLater();
}