101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#include "info/info_common_groups_widget.h"
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#include "info/info_common_groups_inner_widget.h"
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#include "info/info_controller.h"
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#include "ui/widgets/scroll_area.h"
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namespace Info {
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namespace CommonGroups {
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Section Memento::section() const {
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return Section(Section::Type::CommonGroups);
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}
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object_ptr<ContentWidget> Memento::createWidget(
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QWidget *parent,
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not_null<Controller*> controller,
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const QRect &geometry) {
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auto result = object_ptr<Widget>(
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parent,
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controller,
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App::user(userId()));
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result->setInternalState(geometry, this);
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return std::move(result);
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}
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Widget::Widget(
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QWidget *parent,
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not_null<Controller*> controller,
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not_null<UserData*> user)
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: ContentWidget(parent, controller) {
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_inner = setInnerWidget(object_ptr<InnerWidget>(
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this,
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controller,
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user));
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}
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not_null<UserData*> Widget::user() const {
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return _inner->user();
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}
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bool Widget::showInternal(not_null<ContentMemento*> memento) {
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if (!controller()->validateMementoPeer(memento)) {
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return false;
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}
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if (auto groupsMemento = dynamic_cast<Memento*>(memento.get())) {
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if (groupsMemento->userId() == user()->bareId()) {
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restoreState(groupsMemento);
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return true;
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}
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}
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return false;
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}
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void Widget::setInternalState(const QRect &geometry, not_null<Memento*> memento) {
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setGeometry(geometry);
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myEnsureResized(this);
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restoreState(memento);
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}
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std::unique_ptr<ContentMemento> Widget::createMemento() {
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auto result = std::make_unique<Memento>(user()->bareId());
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saveState(result.get());
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return std::move(result);
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}
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void Widget::saveState(not_null<Memento*> memento) {
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memento->setScrollTop(scrollTopSave());
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_inner->saveState(memento);
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}
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void Widget::restoreState(not_null<Memento*> memento) {
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_inner->restoreState(memento);
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auto scrollTop = memento->scrollTop();
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scrollTopRestore(memento->scrollTop());
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// TODO is setVisibleTopBottom called?
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}
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} // namespace CommonGroups
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} // namespace Info
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