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/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
#include <any>
class Image;
class HistoryItem;
enum class ImageRoundRadius;
namespace style {
struct DialogRow;
} // namespace style
namespace Ui {
} // namespace Ui
namespace Data {
class Forum;
} // namespace Data
namespace HistoryView {
struct ToPreviewOptions;
struct ItemPreviewImage;
struct ItemPreview;
} // namespace HistoryView
namespace Dialogs::Ui {
using namespace ::Ui;
struct PaintContext;
struct TopicJumpCache;
class TopicsView;
[[nodiscard]] TextWithEntities DialogsPreviewText(TextWithEntities text);
class MessageView final {
public:
MessageView();
~MessageView();
using ToPreviewOptions = HistoryView::ToPreviewOptions;
using ItemPreviewImage = HistoryView::ItemPreviewImage;
using ItemPreview = HistoryView::ItemPreview;
void itemInvalidated(not_null<const HistoryItem*> item);
[[nodiscard]] bool dependsOn(not_null<const HistoryItem*> item) const;
[[nodiscard]] bool prepared(
not_null<const HistoryItem*> item,
Data::Forum *forum) const;
void prepare(
not_null<const HistoryItem*> item,
Data::Forum *forum,
Fn<void()> customEmojiRepaint,
ToPreviewOptions options);
void paint(
Painter &p,
const QRect &geometry,
const PaintContext &context) const;
[[nodiscard]] bool isInTopicJump(int x, int y) const;
void addTopicJumpRipple(
QPoint origin,
not_null<TopicJumpCache*> topicJumpCache,
Fn<void()> updateCallback);
void stopLastRipple();
private:
struct LoadingContext;
[[nodiscard]] int countWidth() const;
void paintJumpToLast(
Painter &p,
const QRect &rect,
const PaintContext &context,
int width1) const;
mutable const HistoryItem *_textCachedFor = nullptr;
mutable Text::String _senderCache;
mutable std::unique_ptr<TopicsView> _topics;
mutable Text::String _textCache;
mutable std::vector<ItemPreviewImage> _imagesCache;
mutable std::unique_ptr<LoadingContext> _loadingContext;
};
[[nodiscard]] HistoryView::ItemPreview PreviewWithSender(
HistoryView::ItemPreview &&preview,
const QString &sender,
TextWithEntities topic);
} // namespace Dialogs::Ui
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