tdesktop/Telegram/SourceFiles/info/media/info_media_widget.h

125 lines
3.0 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 <rpl/producer.h>
#include "info/info_content_widget.h"
#include "storage/storage_shared_media.h"
#include "data/data_search_controller.h"
namespace Info {
namespace Media {
using Type = Storage::SharedMediaType;
base::optional<int> TypeToTabIndex(Type type);
Type TabIndexToType(int index);
class InnerWidget;
class Memento final : public ContentMemento {
public:
Memento(not_null<Controller*> controller);
Memento(PeerId peerId, PeerId migratedPeerId, Type type);
using SearchState = Api::DelayedSearchController::SavedState;
object_ptr<ContentWidget> createWidget(
QWidget *parent,
not_null<Controller*> controller,
const QRect &geometry) override;
Section section() const override;
Type type() const {
return _type;
}
void setAroundId(FullMsgId aroundId) {
_aroundId = aroundId;
}
FullMsgId aroundId() const {
return _aroundId;
}
void setIdsLimit(int limit) {
_idsLimit = limit;
}
int idsLimit() const {
return _idsLimit;
}
void setScrollTopItem(FullMsgId item) {
_scrollTopItem = item;
}
FullMsgId scrollTopItem() const {
return _scrollTopItem;
}
void setScrollTopShift(int shift) {
_scrollTopShift = shift;
}
int scrollTopShift() const {
return _scrollTopShift;
}
void setSearchState(SearchState &&state) {
_searchState = std::move(state);
}
SearchState searchState() {
return std::move(_searchState);
}
private:
Type _type = Type::Photo;
FullMsgId _aroundId;
int _idsLimit = 0;
FullMsgId _scrollTopItem;
int _scrollTopShift = 0;
SearchState _searchState;
};
class Widget final : public ContentWidget {
public:
Widget(
QWidget *parent,
not_null<Controller*> controller);
bool showInternal(
not_null<ContentMemento*> memento) override;
void setInternalState(
const QRect &geometry,
not_null<Memento*> memento);
rpl::producer<SelectedItems> selectedListValue() const override;
void cancelSelection() override;
private:
void saveState(not_null<Memento*> memento);
void restoreState(not_null<Memento*> memento);
std::unique_ptr<ContentMemento> doCreateMemento() override;
InnerWidget *_inner = nullptr;
};
} // namespace Media
} // namespace Info