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/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2010-2011 by Andrea Diamantini <adjam7 at gmail dot 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 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* 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/>.
*
* ============================================================ */
// Self Includes
#include "iconmanager.h"
#include "iconmanager.moc"
// Local Includes
#include "application.h"
#include "webicon.h"
// KDE Includes
#include <KIO/Job>
#include <KIcon>
#include <KMimeType>
#include <KStandardDirs>
#include <KUrl>
// Qt Includes
#include <QtCore/QDir>
#include <QtWebKit/QWebElement>
#include <QtWebKit/QWebFrame>
#include <QtWebKit/QWebSettings>
IconManager::IconManager(QObject *parent)
: QObject(parent)
{
_faviconsDir = KStandardDirs::locateLocal("cache" , "favicons/" , true);
}
IconManager::~IconManager()
{
}
KIcon IconManager::iconForUrl(const KUrl &url)
{
// first things first.. avoid infinite loop at startup
if (url.isEmpty() || rApp->mainWindowList().isEmpty())
return KIcon("text-html");
QByteArray encodedUrl = url.toEncoded();
// rekonq icons..
if (encodedUrl == QByteArray("about:home"))
return KIcon("go-home");
if (encodedUrl == QByteArray("about:closedTabs"))
return KIcon("tab-close");
if (encodedUrl == QByteArray("about:history"))
return KIcon("view-history");
if (encodedUrl == QByteArray("about:bookmarks"))
return KIcon("bookmarks");
if (encodedUrl == QByteArray("about:favorites"))
return KIcon("emblem-favorite");
if (encodedUrl == QByteArray("about:downloads"))
return KIcon("download");
// TODO: return other mimetype icons
if(url.isLocalFile())
{
return KIcon("folder");
}
QString i = KMimeType::favIconForUrl(url);
if(!i.isEmpty())
{
QString faviconDir = KStandardDirs::locateLocal("cache" , "" , true);
return KIcon(faviconDir + i);
}
kDebug() << "Icon NOT Found for url: " << url;
return KIcon("text-html");
}
void IconManager::provideIcon(QWebPage *page, const KUrl &url, bool notify)
{
// provide icons just for http/https sites
if( !url.scheme().startsWith(QL1S("http")) )
{
kDebug() << "No http/https site...";
if(notify)
emit iconChanged();
return;
}
// do not load new icons in private browsing..
if(QWebSettings::globalSettings()->testAttribute(QWebSettings::PrivateBrowsingEnabled))
{
kDebug() << "Private browsing, private icon...";
if(notify)
emit iconChanged();
return;
}
// check if icon exists
if(!KMimeType::favIconForUrl(url).isEmpty())
{
kDebug() << "icon JUST present. Aborting...";
if(notify)
emit iconChanged();
return;
}
// the simplest way..
const QString rootUrlString = url.scheme() + QL1S("://") + url.host();
// find favicon url
KUrl faviconUrl( rootUrlString + QL1S("/favicon.ico") );
QWebElement root = page->mainFrame()->documentElement();
QWebElement e = root.findFirst(QL1S("link[rel~=\"icon\"]"));
QString relUrlString = e.attribute(QL1S("href"));
if(relUrlString.isEmpty())
{
e = root.findFirst(QL1S("link[rel~=\"shortcut icon\"]"));
relUrlString = e.attribute(QL1S("href"));
}
if(!relUrlString.isEmpty())
{
faviconUrl = relUrlString.startsWith(QL1S("http"))
? KUrl(relUrlString)
: KUrl(rootUrlString + QL1C('/') + relUrlString) ;
}
kDebug() << "ICON URL: " << faviconUrl;
// dest url
KUrl destUrl(_faviconsDir + url.host() + QL1S(".png") );
kDebug() << "DEST URL: " << destUrl;
// download icon
KIO::FileCopyJob *job = KIO::file_copy(faviconUrl, destUrl, -1, KIO::HideProgressInfo);
if(notify)
connect(job, SIGNAL(result(KJob*)), this, SLOT(notifyLastStuffs(KJob *)));
else
connect(job, SIGNAL(result(KJob*)), this, SLOT(doLastStuffs(KJob *)));
}
void IconManager::downloadIconFromUrl(const KUrl &url)
{
new WebIcon(url, this);
}
void IconManager::clearIconCache()
{
QDir d(_faviconsDir);
QStringList favicons = d.entryList();
Q_FOREACH(const QString &fav, favicons)
{
d.remove(fav);
}
}
void IconManager::doLastStuffs(KJob *j)
{
if(j->error())
{
kDebug() << "FAVICON JOB ERROR";
return;
}
KIO::FileCopyJob *job = static_cast<KIO::FileCopyJob *>(j);
KUrl dest = job->destUrl();
QString s = dest.url().remove( QL1S("file://") );
QFile fav(s);
if(!fav.exists())
{
kDebug() << "FAVICON DOES NOT EXISTS";
fav.remove();
return;
}
if(fav.size() == 0)
{
kDebug() << "SIZE ZERO FAVICON";
fav.remove();
return;
}
QPixmap px;
if(!px.load(s))
{
kDebug() << "PIXMAP NOT LOADED";
return;
}
if(px.isNull())
{
kDebug() << "PIXMAP IS NULL";
fav.remove();
return;
}
px = px.scaled(16,16);
if(!px.save(s))
{
kDebug() << "PIXMAP NOT SAVED";
return;
}
}
void IconManager::notifyLastStuffs(KJob *j)
{
doLastStuffs(j);
emit iconChanged();
}
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