tdesktop/Telegram/SourceFiles/boxes/background_preview_box.h

89 lines
2.3 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
#include "boxes/abstract_box.h"
#include "base/binary_guard.h"
#include "history/admin_log/history_admin_log_item.h"
#include "history/view/history_view_element.h"
#include "ui/effects/animations.h"
#include "ui/effects/radial_animation.h"
#include "data/data_wall_paper.h"
namespace Data {
class DocumentMedia;
} // namespace Data
namespace Window {
class SessionController;
} // namespace Window
namespace Ui {
class Checkbox;
class ChatStyle;
} // namespace Ui
class BackgroundPreviewBox
: public Ui::BoxContent
, private HistoryView::SimpleElementDelegate {
public:
BackgroundPreviewBox(
QWidget*,
not_null<Window::SessionController*> controller,
const Data::WallPaper &paper);
static bool Start(
not_null<Window::SessionController*> controller,
const QString &slug,
const QMap<QString, QString> &params);
protected:
void prepare() override;
void paintEvent(QPaintEvent *e) override;
private:
using Element = HistoryView::Element;
not_null<HistoryView::ElementDelegate*> delegate();
HistoryView::Context elementContext() override;
void apply();
void share();
void radialAnimationCallback(crl::time now);
QRect radialRect() const;
void generateBackground();
void checkLoadedDocument();
void setScaledFromThumb();
void setScaledFromImage(QImage &&image, QImage &&blurred);
void updateServiceBg(const std::vector<QColor> &bg);
void paintImage(Painter &p);
void paintRadial(Painter &p);
void paintTexts(Painter &p, crl::time ms);
void paintDate(Painter &p);
void createBlurCheckbox();
int textsTop() const;
void startFadeInFrom(QPixmap previous);
void checkBlurAnimationStart();
const not_null<Window::SessionController*> _controller;
std::unique_ptr<Ui::ChatStyle> _chatStyle;
AdminLog::OwnedItem _text1;
AdminLog::OwnedItem _text2;
Data::WallPaper _paper;
std::shared_ptr<Data::DocumentMedia> _media;
QImage _full;
QPixmap _generated, _scaled, _blurred, _fadeOutThumbnail;
Ui::Animations::Simple _fadeIn;
Ui::RadialAnimation _radial;
base::binary_guard _generating;
std::optional<QColor> _serviceBg;
object_ptr<Ui::Checkbox> _blur = { nullptr };
};