kepka/Telegram/SourceFiles/media/player/media_player_float.h

114 lines
2.8 KiB
C++

//
// This file is part of Kepka,
// an unofficial desktop version of Telegram messaging app,
// see https://github.com/procxx/kepka
//
// Kepka 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.
//
// It 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.
//
// In addition, as a special exception, the copyright holders give permission
// to link the code of portions of this program with the OpenSSL library.
//
// Full license: https://github.com/procxx/kepka/blob/master/LICENSE
// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
//
#pragma once
#include "base/observer.h"
#include "media/media_clip_reader.h"
#include "ui/twidget.h"
class HistoryItem;
namespace Media {
namespace Clip {
class Playback;
} // namespace Clip
namespace Player {
class Float : public TWidget, private base::Subscriber {
public:
Float(QWidget *parent, HistoryItem *item, Fn<void(bool visible)> toggleCallback,
Fn<void(bool closed)> draggedCallback);
HistoryItem *item() const {
return _item;
}
void setOpacity(double opacity) {
if (_opacity != opacity) {
_opacity = opacity;
update();
}
}
double countOpacityByParent() const {
return outRatio();
}
bool isReady() const {
return (getReader() != nullptr);
}
void detach();
bool detached() const {
return !_item;
}
bool dragged() const {
return _drag;
}
void resetMouseState() {
_down = false;
if (_drag) {
finishDrag(false);
}
}
void ui_repaintHistoryItem(not_null<const HistoryItem *> item) {
if (item == _item) {
repaintItem();
}
}
protected:
void paintEvent(QPaintEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
void mouseDoubleClickEvent(QMouseEvent *e) override;
private:
double outRatio() const;
Clip::Reader *getReader() const;
void repaintItem();
void prepareShadow();
bool hasFrame() const;
bool fillFrame();
QRect getInnerRect() const;
void updatePlayback();
void finishDrag(bool closed);
HistoryItem *_item = nullptr;
Fn<void(bool visible)> _toggleCallback;
double _opacity = 1.;
QPixmap _shadow;
QImage _frame;
bool _down = false;
QPoint _downPoint;
bool _drag = false;
QPoint _dragLocalPoint;
Fn<void(bool closed)> _draggedCallback;
std::unique_ptr<Clip::Playback> _roundPlayback;
};
} // namespace Player
} // namespace Media