mirror of
https://github.com/AyuGram/AyuGramDesktop.git
synced 2025-04-14 21:27:07 +02:00
93 lines
2.1 KiB
C++
93 lines
2.1 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 "base/timer.h"
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#include "ui/effects/animations.h"
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class HistoryItem;
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namespace Data {
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class Session;
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} // namespace Data
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namespace Ui {
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struct ChatPaintHighlight;
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} // namespace Ui
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namespace HistoryView {
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class Element;
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struct SelectedQuote;
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class ElementHighlighter final {
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public:
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using ViewForItem = Fn<Element*(const HistoryItem*)>;
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using RepaintView = Fn<void(const Element*)>;
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ElementHighlighter(
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not_null<Data::Session*> data,
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ViewForItem viewForItem,
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RepaintView repaintView);
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void enqueue(const SelectedQuote "e);
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void highlight(const SelectedQuote "e);
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void clear();
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[[nodiscard]] Ui::ChatPaintHighlight state(
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not_null<const HistoryItem*> item) const;
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[[nodiscard]] MsgId latestSingleHighlightedMsgId() const;
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private:
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class AnimationManager final {
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public:
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AnimationManager(ElementHighlighter &parent);
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[[nodiscard]] bool animating() const;
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[[nodiscard]] Ui::ChatPaintHighlight state() const;
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void start(bool withTextPart);
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void cancel();
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private:
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ElementHighlighter &_parent;
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Ui::Animations::Simple _simple;
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std::optional<base::Timer> _timer;
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bool _withTextPart = false;
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bool _collapsing = false;
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bool _collapsed = false;
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bool _fadingOut = false;
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};
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struct Highlight {
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FullMsgId itemId;
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TextSelection part;
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explicit operator bool() const {
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return itemId.operator bool();
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}
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friend inline bool operator==(Highlight, Highlight) = default;
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};
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[[nodiscard]] Highlight computeHighlight(const SelectedQuote "e);
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void highlight(Highlight data);
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void checkNextHighlight();
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void repaintHighlightedItem(not_null<const Element*> view);
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void updateMessage();
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const not_null<Data::Session*> _data;
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const ViewForItem _viewForItem;
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const RepaintView _repaintView;
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Highlight _highlighted;
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FullMsgId _lastHighlightedMessageId;
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std::deque<Highlight> _queue;
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AnimationManager _animation;
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};
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} // namespace HistoryView
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