File indexing completed on 2024-05-12 04:58:27

 /* ============================================================
 * Falkon - Qt web 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/>.
 * ============================================================ */
 #ifndef ICONPROVIDER_H
 #define ICONPROVIDER_H
 
 #include <QWidget>
 #include <QStyle>
 #include <QImage>
 #include <QUrl>
 #include <QCache>
 #include <QMutex>
 
 #include <functional>
 
 #include "qzcommon.h"
 
 class QIcon;
 
 class WebView;
 class AutoSaver;
 
 // Needs to be QWidget subclass, otherwise qproperty- setting won't work
 class FALKON_EXPORT IconProvider : public QWidget
 {
     Q_OBJECT
     Q_PROPERTY(QIcon bookmarkIcon READ bookmarkIcon WRITE setBookmarkIcon)
 
 public:
     explicit IconProvider();
 
     void saveIcon(WebView* view);
 
     QIcon bookmarkIcon() const;
     void setBookmarkIcon(const QIcon &icon);
 
     // QStyle equivalent
     static QIcon standardIcon(QStyle::StandardPixmap icon);
 
     static QIcon newTabIcon();
     static QIcon newWindowIcon();
     static QIcon privateBrowsingIcon();
     static QIcon settingsIcon();
 
     // Icon for empty page
     static QIcon emptyWebIcon();
     static QImage emptyWebImage();
 
     // Icon for url (only available for urls in history)
     static QIcon iconForUrl(const QUrl &url, bool allowNull = false);
     static QImage imageForUrl(const QUrl &url, bool allowNull = false);
 
     // Icon for domain (only available for urls in history)
     static QIcon iconForDomain(const QUrl &url, bool allowNull = false);
     static QImage imageForDomain(const QUrl &url, bool allowNull = false);
 
     static IconProvider* instance();
 
 public Q_SLOTS:
     void saveIconsToDatabase();
     void clearOldIconsInDatabase();
 
 private:
     using BufferedIcon = QPair<QUrl, QImage>;
 
     QIcon iconFromImage(const QImage &image);
 
     QImage m_emptyWebImage;
     QIcon m_bookmarkIcon;
     QVector<BufferedIcon> m_iconBuffer;
     QCache<QByteArray, QImage> m_urlImageCache;
     QMutex m_iconCacheMutex;
 
     AutoSaver* m_autoSaver;
 };
 
 #endif // ICONPROVIDER_H