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

141 lines
3.6 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
*/
#include "info/media/info_media_widget.h"
#include "info/media/info_media_inner_widget.h"
#include "info/info_controller.h"
#include "ui/widgets/scroll_area.h"
#include "ui/search_field_controller.h"
#include "styles/style_info.h"
namespace Info {
namespace Media {
base::optional<int> TypeToTabIndex(Type type) {
switch (type) {
case Type::Photo: return 0;
case Type::Video: return 1;
case Type::File: return 2;
}
return base::none;
}
Type TabIndexToType(int index) {
switch (index) {
case 0: return Type::Photo;
case 1: return Type::Video;
case 2: return Type::File;
}
Unexpected("Index in Info::Media::TabIndexToType()");
}
Memento::Memento(not_null<Controller*> controller)
: Memento(
controller->peerId(),
controller->migratedPeerId(),
controller->section().mediaType()) {
}
Memento::Memento(PeerId peerId, PeerId migratedPeerId, Type type)
: ContentMemento(peerId, migratedPeerId)
, _type(type) {
_searchState.query.type = type;
_searchState.query.peerId = peerId;
_searchState.query.migratedPeerId = migratedPeerId;
if (migratedPeerId) {
_searchState.migratedList = Storage::SparseIdsList();
}
}
Section Memento::section() const {
return Section(_type);
}
object_ptr<ContentWidget> Memento::createWidget(
QWidget *parent,
not_null<Controller*> controller,
const QRect &geometry) {
auto result = object_ptr<Widget>(
parent,
controller);
result->setInternalState(geometry, this);
return std::move(result);
}
Widget::Widget(
QWidget *parent,
not_null<Controller*> controller)
: ContentWidget(parent, controller) {
_inner = setInnerWidget(object_ptr<InnerWidget>(
this,
controller));
_inner->setScrollHeightValue(scrollHeightValue());
_inner->scrollToRequests()
| rpl::start_with_next([this](Ui::ScrollToRequest request) {
scrollTo(request);
}, _inner->lifetime());
}
rpl::producer<SelectedItems> Widget::selectedListValue() const {
return _inner->selectedListValue();
}
void Widget::cancelSelection() {
_inner->cancelSelection();
}
bool Widget::showInternal(not_null<ContentMemento*> memento) {
if (!controller()->validateMementoPeer(memento)) {
return false;
}
if (auto mediaMemento = dynamic_cast<Memento*>(memento.get())) {
if (_inner->showInternal(mediaMemento)) {
return true;
}
}
return false;
}
void Widget::setInternalState(
const QRect &geometry,
not_null<Memento*> memento) {
setGeometry(geometry);
myEnsureResized(this);
restoreState(memento);
}
std::unique_ptr<ContentMemento> Widget::doCreateMemento() {
auto result = std::make_unique<Memento>(controller());
saveState(result.get());
return std::move(result);
}
void Widget::saveState(not_null<Memento*> memento) {
_inner->saveState(memento);
}
void Widget::restoreState(not_null<Memento*> memento) {
_inner->restoreState(memento);
}
} // namespace Media
} // namespace Info