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/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2010-2012 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 "icondownloader.h"
#include "webicon.h"
// KDE Includes
#include <KIO/Job>
#include <KIcon>
#include <KStandardDirs>
#include <KUrl>
// Qt Includes
#include <QDir>
#include <QWebElement>
#include <QWebFrame>
#include <QWebSettings>
QWeakPointer<IconManager> IconManager::s_iconManager;
IconManager *IconManager::self()
{
if (s_iconManager.isNull())
{
s_iconManager = new IconManager(qApp);
}
return s_iconManager.data();
}
// ----------------------------------------------------------------------------------------------
IconManager::IconManager(QObject *parent)
: QObject(parent)
{
_faviconsDir = KStandardDirs::locateLocal("cache" , "favicons/" , true);
}
KIcon IconManager::iconForUrl(const KUrl &url)
{
// first things first.. avoid infinite loop at startup
if (url.isEmpty() || (rApp->rekonqWindowList().isEmpty() && rApp->webAppList().isEmpty()))
return KIcon("text-html");
QByteArray encodedUrl = url.toEncoded();
// rekonq icons..
if (encodedUrl == QByteArray("rekonq:home"))
return KIcon("go-home");
if (encodedUrl == QByteArray("rekonq:closedtabs"))
return KIcon("tab-close");
if (encodedUrl == QByteArray("rekonq:history"))
return KIcon("view-history");
if (encodedUrl == QByteArray("rekonq:bookmarks"))
return KIcon("bookmarks");
if (encodedUrl == QByteArray("rekonq:favorites"))
return KIcon("emblem-favorite");
if (encodedUrl == QByteArray("rekonq:downloads"))
return KIcon("download");
if (encodedUrl == QByteArray("rekonq:tabs"))
return KIcon("tab-duplicate");
// TODO: return other mimetype icons
if (url.isLocalFile())
{
return KIcon("folder");
}
QString i = favIconForUrl(url);
if (!i.isEmpty())
{
return KIcon(QIcon(_faviconsDir + i));
}
// Not found icon. Return default one.
return KIcon("text-html");
}
void IconManager::provideIcon(QWebFrame *mFrame, const KUrl &url, bool notify)
{
// provide icons just for http/https sites
if (!url.scheme().startsWith(QL1S("http")))
return;
// do not load new icons in private browsing..
if (mFrame->page()->settings()->testAttribute(QWebSettings::PrivateBrowsingEnabled))
return;
// check if icon exists
if (!favIconForUrl(url).isEmpty())
return;
// the simplest way..
const QString rootUrlString = url.scheme() + QL1S("://") + url.host();
// find favicon url
KUrl faviconUrl(rootUrlString + QL1S("/favicon.ico"));
QWebElement root = mFrame->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);
}
// dest url
KUrl destUrl(_faviconsDir + url.host());
IconDownloader *id = new IconDownloader(faviconUrl, destUrl, this);
if (notify)
connect(id, SIGNAL(iconReady()), mFrame, SIGNAL(iconChanged()));
}
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::saveDesktopIconForUrl(const KUrl &u)
{
KIcon icon = iconForUrl(u);
QString destPath = _faviconsDir + u.host() + QL1S("_WEBAPPICON.png");
QPixmap pix = icon.pixmap(16, 16);
int s = KIconLoader::global()->currentSize(KIconLoader::Desktop);
pix = pix.scaled(s, s);
pix.save(destPath);
}
// NOTE: this function is builded "around" the iconForurl one. It basically returns the same things
// with an important difference: this one returns paths while the other one returns KIcons
QString IconManager::iconPathForUrl(const KUrl &url)
{
// first things first.. avoid infinite loop at startup
if (url.isEmpty() || rApp->rekonqWindowList().isEmpty())
{
QString icon = QL1S("file://") + KGlobal::dirs()->findResource("icon", "oxygen/16x16/mimetypes/text-html.png");
return icon;
}
QByteArray encodedUrl = url.toEncoded();
// rekonq icons..
if (encodedUrl == QByteArray("rekonq:home"))
{
QString icon = QL1S("file://") + KGlobal::dirs()->findResource("icon", "oxygen/16x16/actions/go-home.png");
return icon;
}
if (encodedUrl == QByteArray("rekonq:closedtabs"))
{
QString icon = QL1S("file://") + KGlobal::dirs()->findResource("icon", "oxygen/16x16/actions/tab-close.png");
return icon;
}
if (encodedUrl == QByteArray("rekonq:history"))
{
QString icon = QL1S("file://") + KGlobal::dirs()->findResource("icon", "oxygen/16x16/actions/view-history.png");
return icon;
}
if (encodedUrl == QByteArray("rekonq:bookmarks"))
{
QString icon = QL1S("file://") + KGlobal::dirs()->findResource("icon", "oxygen/16x16/places/bookmarks.png");
return icon;
}
if (encodedUrl == QByteArray("rekonq:favorites"))
{
QString icon = QL1S("file://") + KGlobal::dirs()->findResource("icon", "oxygen/16x16/emblems/emblem-favorite.png");
return icon;
}
if (encodedUrl == QByteArray("rekonq:downloads"))
{
QString icon = QL1S("file://") + KGlobal::dirs()->findResource("icon", "oxygen/16x16/actions/download.png");
return icon;
}
// TODO: return other mimetype icons
if (url.isLocalFile())
{
QString icon = QL1S("file://") + KGlobal::dirs()->findResource("icon", "oxygen/16x16/places/folder.png");
return icon;
}
QString i = favIconForUrl(url);
if (!i.isEmpty())
{
return QL1S("file://") + _faviconsDir + i;
}
// Not found icon. Return default one.
QString icon = QL1S("file://") + KGlobal::dirs()->findResource("icon", "oxygen/16x16/mimetypes/text-html.png");
return icon;
}
QString IconManager::favIconForUrl(const KUrl &url)
{
if (url.isLocalFile()
|| !url.protocol().startsWith(QL1S("http")))
return QString();
if (QFile::exists(_faviconsDir + url.host() + QL1S(".png")))
return url.host() + QL1S(".png");
else
return QString();
}
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