tdesktop/Telegram/SourceFiles/history/history_admin_log_inner.h
2017-06-30 09:21:41 +03:00

87 lines
2.7 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop 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/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#pragma once
#include "mtproto/sender.h"
namespace AdminLog {
class SectionMemento;
class InnerWidget final : public TWidget, private MTP::Sender {
public:
InnerWidget(QWidget *parent, gsl::not_null<ChannelData*> channel);
gsl::not_null<ChannelData*> channel() const {
return _channel;
}
// Updates the area that is visible inside the scroll container.
void setVisibleTopBottom(int visibleTop, int visibleBottom) override;
void resizeToWidth(int newWidth, int minHeight) {
_minHeight = minHeight;
return TWidget::resizeToWidth(newWidth);
}
void saveState(gsl::not_null<SectionMemento*> memento) const;
void restoreState(gsl::not_null<const SectionMemento*> memento);
void setCancelledCallback(base::lambda<void()> callback) {
_cancelledCallback = std::move(callback);
}
// Empty "flags" means all events. Empty "admins" means all admins.
void applyFilter(MTPDchannelAdminLogEventsFilter::Flags flags, const std::vector<gsl::not_null<UserData*>> &admins);
~InnerWidget();
protected:
void paintEvent(QPaintEvent *e) override;
void keyPressEvent(QKeyEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
// Resizes content and counts natural widget height for the desired width.
int resizeGetHeight(int newWidth) override;
private:
void checkPreloadMore();
void preloadMore();
void updateSize();
gsl::not_null<ChannelData*> _channel;
base::lambda<void()> _cancelledCallback;
int _minHeight = 0;
int _visibleTop = 0;
int _visibleBottom = 0;
int32 _preloadGroupId = 0;
mtpRequestId _preloadRequestId = 0;
bool _allLoaded = true;
MTPDchannelAdminLogEventsFilter::Flags _filterFlags = 0;
std::vector<gsl::not_null<UserData*>> _filterAdmins;
};
} // namespace AdminLog