Clementine-audio-player-Mac.../src/widgets/prettyimageview.h

93 lines
2.3 KiB
C++

/* This file is part of Clementine.
Clementine 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.
Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PRETTYIMAGEVIEW_H
#define PRETTYIMAGEVIEW_H
#include <QMap>
#include <QUrl>
#include <QWidget>
class NetworkAccessManager;
class QNetworkReply;
class QTimeLine;
class PrettyImageView : public QWidget {
Q_OBJECT
public:
PrettyImageView(NetworkAccessManager* network, QWidget* parent = 0);
static const int kTotalHeight;
static const int kImageHeight;
static const int kBorderHeight;
static const int kArrowWidth;
static const int kBaseAnimationDuration;
static const int kArrowAnimationDuration;
public slots:
void Clear();
void AddImage(const QUrl& url);
protected:
void paintEvent(QPaintEvent*);
void mouseMoveEvent(QMouseEvent*);
void mouseReleaseEvent(QMouseEvent*);
void enterEvent(QEvent*);
void leaveEvent(QEvent*);
private:
struct Image {
Image(const QUrl& url) : loading_(false), url_(url) {}
void SetImage(const QImage& image);
bool loading_;
QUrl url_;
QImage image_;
QPixmap thumbnail_;
};
QRect left() const;
QRect right() const;
QPolygon arrow(const QRect& rect, int direction) const;
void SetTimeLineActive(QTimeLine* timeline, bool active);
void DrawImage(QPainter* p, const QRect& rect, const Image& image);
void DrawThumbnail(QPainter* p, const QRect& rect, const Image& image);
private slots:
void ImageFetched(quint64 id, QNetworkReply* reply);
private:
NetworkAccessManager* network_;
QMap<quint64, int> image_requests_;
quint64 next_image_request_id_;
QList<Image> images_;
int current_index_;
QTimeLine* base_timeline_;
QTimeLine* left_timeline_;
QTimeLine* right_timeline_;
};
#endif // PRETTYIMAGEVIEW_H