mirror of
https://invent.kde.org/network/falkon.git
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109 lines
3.1 KiB
C++
109 lines
3.1 KiB
C++
/* ============================================================
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* QupZilla - WebKit based browser
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* Copyright (C) 2010-2014 David Rosca <nowrep@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* ============================================================ */
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#include "iconfetcher.h"
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#include "followredirectreply.h"
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#include "qzregexp.h"
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#include <QNetworkReply>
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IconFetcher::IconFetcher(QObject* parent)
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: QObject(parent)
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, m_manager(0)
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{
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}
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void IconFetcher::fetchIcon(const QUrl &url)
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{
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if (!m_manager) {
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return;
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}
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FollowRedirectReply* reply = new FollowRedirectReply(url, m_manager);
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connect(reply, SIGNAL(finished()), this, SLOT(pageDownloaded()));
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m_url = url;
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}
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void IconFetcher::pageDownloaded()
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{
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FollowRedirectReply* reply = qobject_cast<FollowRedirectReply*> (sender());
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if (!reply) {
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return;
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}
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QString html = reply->readAll();
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QUrl replyUrl = reply->url();
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reply->deleteLater();
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QzRegExp rx("<link(.*)>", Qt::CaseInsensitive);
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rx.setMinimal(true);
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QString shortcutIconTag;
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int pos = 0;
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while ((pos = rx.indexIn(html, pos)) != -1) {
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QString linkTag = rx.cap(0);
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pos += rx.matchedLength();
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if (linkTag.contains(QLatin1String("rel=\"shortcut icon\""), Qt::CaseInsensitive)) {
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shortcutIconTag = linkTag;
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break;
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}
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}
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FollowRedirectReply* newReply;
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if (shortcutIconTag.isEmpty()) {
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// QUrl faviconUrl = replyUrl.resolved(QUrl("favicon.ico"));
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//
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// Rather getting favicon.ico from base directory than from subfolders
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QUrl faviconUrl = QUrl(replyUrl.toString(QUrl::RemovePath | QUrl::RemoveQuery) + "/favicon.ico");
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newReply = new FollowRedirectReply(faviconUrl, m_manager);
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}
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else {
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QzRegExp rx("href=\"(.*)\"", Qt::CaseInsensitive);
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rx.setMinimal(true);
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rx.indexIn(shortcutIconTag);
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QUrl url = QUrl(rx.cap(1));
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QUrl iconUrl = QUrl(replyUrl).resolved(url);
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newReply = new FollowRedirectReply(iconUrl, m_manager);
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}
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connect(newReply, SIGNAL(finished()), this, SLOT(iconDownloaded()));
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}
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void IconFetcher::iconDownloaded()
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{
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FollowRedirectReply* reply = qobject_cast<FollowRedirectReply*> (sender());
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if (!reply) {
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return;
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}
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QByteArray response = reply->readAll();
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reply->deleteLater();
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if (!response.isEmpty()) {
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QImage image;
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image.loadFromData(response);
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if (!image.isNull()) {
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emit iconFetched(image);
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}
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}
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emit finished();
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}
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