tdesktop/Telegram/SourceFiles/info/info_memento.h

109 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 "ui/rp_widget.h"
#include "info/info_wrap_widget.h"
#include "window/section_memento.h"
namespace Storage {
enum class SharedMediaType : char;
} // namespace Storage
namespace Ui {
class ScrollArea;
struct ScrollToRequest;
} // namespace Ui
namespace Info {
class ContentMemento;
class WrapWidget;
class Memento final : public Window::SectionMemento {
public:
Memento(PeerId peerId);
Memento(PeerId peerId, Section section);
Memento(std::vector<std::unique_ptr<ContentMemento>> stack);
object_ptr<Window::SectionWidget> createWidget(
QWidget *parent,
not_null<Window::Controller*> controller,
Window::Column column,
const QRect &geometry) override;
object_ptr<Window::LayerWidget> createLayer(
not_null<Window::Controller*> controller,
const QRect &geometry) override;
int stackSize() const {
return int(_stack.size());
}
std::vector<std::unique_ptr<ContentMemento>> takeStack();
not_null<ContentMemento*> content() {
Expects(!_stack.empty());
return _stack.back().get();
}
~Memento();
private:
static std::vector<std::unique_ptr<ContentMemento>> DefaultStack(
PeerId peerId,
Section section);
static std::unique_ptr<ContentMemento> Default(
PeerId peerId,
Section section);
std::vector<std::unique_ptr<ContentMemento>> _stack;
};
class MoveMemento final : public Window::SectionMemento {
public:
MoveMemento(object_ptr<WrapWidget> content);
object_ptr<Window::SectionWidget> createWidget(
QWidget *parent,
not_null<Window::Controller*> controller,
Window::Column column,
const QRect &geometry) override;
object_ptr<Window::LayerWidget> createLayer(
not_null<Window::Controller*> controller,
const QRect &geometry) override;
bool instant() const override {
return true;
}
object_ptr<WrapWidget> takeContent(
QWidget *parent,
Wrap wrap);
private:
object_ptr<WrapWidget> _content;
};
} // namespace Info