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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebEngine module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#ifndef FAVICON_MANAGER_H
#define FAVICON_MANAGER_H
#include "qtwebenginecoreglobal_p.h"
#include <memory>
#include <QtCore/QMap>
#include <QtCore/QObject>
#include <QtCore/QSize>
#include <QtCore/QUrl>
#include <QtGui/QIcon>
#include "web_engine_settings.h"
class GURL;
class SkBitmap;
namespace gfx {
class Size;
}
namespace content {
class WebContents;
}
namespace base {
template<class T>
class WeakPtrFactory;
}
namespace QtWebEngineCore {
class WebContentsAdapterClient;
// Based on src/3rdparty/chromium/content/public/common/favicon_url.h
class QWEBENGINECORE_PRIVATE_EXPORT FaviconInfo {
public:
enum FaviconType {
InvalidIcon,
Favicon,
TouchIcon,
TouchPrecomposedIcon
};
FaviconInfo();
FaviconInfo(const FaviconInfo &);
FaviconInfo(const QUrl &, FaviconInfo::FaviconType);
~FaviconInfo();
bool isValid() const;
bool isDownloaded() const;
QUrl url;
FaviconType type;
// Stores the largest size in case of multi-size icon
QSize size;
bool candidate;
bool multiSize;
};
class QWEBENGINECORE_PRIVATE_EXPORT FaviconManager {
public:
FaviconManager(content::WebContents *, WebContentsAdapterClient *);
~FaviconManager();
QIcon getIcon(const QUrl &url = QUrl()) const;
FaviconInfo getFaviconInfo(const QUrl &) const;
QList<FaviconInfo> getFaviconInfoList(bool) const;
private:
void update(const QList<FaviconInfo> &);
void updateCandidates(const QList<FaviconInfo> &);
void resetCandidates();
bool hasCandidate() const;
QUrl candidateIconUrl(bool touchIconsEnabled) const;
void generateCandidateIcon(bool touchIconsEnabled);
int downloadIcon(const QUrl &);
void iconDownloadFinished(int, int, const GURL &, const std::vector<SkBitmap> &, const std::vector<gfx::Size> &);
void storeIcon(int, const QIcon &);
void downloadPendingRequests();
void propagateIcon(const QUrl &) const;
private:
content::WebContents *m_webContents;
WebContentsAdapterClient *m_viewClient;
QMap<QUrl, FaviconInfo> m_faviconInfoMap;
int m_candidateCount;
QIcon m_candidateIcon;
QMap<QUrl, QIcon> m_icons;
QMap<int, QUrl> m_inProgressRequests;
QMap<int, QUrl> m_pendingRequests;
std::unique_ptr<base::WeakPtrFactory<FaviconManager>> m_weakFactory;
friend class WebContentsDelegateQt;
};
} // namespace QtWebEngineCore
#endif // FAVICON_MANAGER_H
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