70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include <any>
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class Image;
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class HistoryItem;
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enum class ImageRoundRadius;
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namespace Ui {
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} // namespace Ui
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namespace HistoryView {
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struct ToPreviewOptions;
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struct ItemPreviewImage;
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struct ItemPreview;
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} // namespace HistoryView
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namespace Dialogs::Ui {
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using namespace ::Ui;
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struct PaintContext;
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[[nodiscard]] TextWithEntities DialogsPreviewText(TextWithEntities text);
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class MessageView final {
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public:
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MessageView();
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~MessageView();
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using ToPreviewOptions = HistoryView::ToPreviewOptions;
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using ItemPreviewImage = HistoryView::ItemPreviewImage;
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using ItemPreview = HistoryView::ItemPreview;
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void itemInvalidated(not_null<const HistoryItem*> item);
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[[nodiscard]] bool dependsOn(not_null<const HistoryItem*> item) const;
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[[nodiscard]] bool prepared(not_null<const HistoryItem*> item) const;
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void prepare(
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not_null<const HistoryItem*> item,
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Fn<void()> customEmojiRepaint,
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ToPreviewOptions options);
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void paint(
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Painter &p,
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const QRect &geometry,
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const PaintContext &context) const;
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private:
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struct LoadingContext;
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mutable const HistoryItem *_textCachedFor = nullptr;
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mutable Text::String _senderCache;
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mutable Text::String _textCache;
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mutable std::vector<ItemPreviewImage> _imagesCache;
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mutable std::unique_ptr<LoadingContext> _loadingContext;
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};
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[[nodiscard]] HistoryView::ItemPreview PreviewWithSender(
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HistoryView::ItemPreview &&preview,
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const TextWithEntities &sender);
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} // namespace Dialogs::Ui
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