124 lines
2.7 KiB
C++
124 lines
2.7 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 "base/expected.h"
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class PhotoData;
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class DocumentData;
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namespace Main {
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class Session;
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} // namespace Main
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namespace Data {
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class Session;
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struct StoryMedia {
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std::variant<not_null<PhotoData*>, not_null<DocumentData*>> data;
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friend inline bool operator==(StoryMedia, StoryMedia) = default;
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};
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class Story {
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public:
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Story(
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StoryId id,
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not_null<PeerData*> peer,
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StoryMedia media,
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TimeId date);
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[[nodiscard]] Session &owner() const;
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[[nodiscard]] Main::Session &session() const;
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[[nodiscard]] not_null<PeerData*> peer() const;
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[[nodiscard]] StoryId id() const;
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[[nodiscard]] TimeId date() const;
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[[nodiscard]] const StoryMedia &media() const;
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[[nodiscard]] PhotoData *photo() const;
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[[nodiscard]] DocumentData *document() const;
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void setPinned(bool pinned);
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[[nodiscard]] bool pinned() const;
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void setCaption(TextWithEntities &&caption);
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[[nodiscard]] const TextWithEntities &caption() const;
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void apply(const MTPDstoryItem &data);
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private:
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const StoryId _id = 0;
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const not_null<PeerData*> _peer;
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const StoryMedia _media;
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TextWithEntities _caption;
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const TimeId _date = 0;
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bool _pinned = false;
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};
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struct StoriesList {
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not_null<UserData*> user;
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std::vector<StoryId> ids;
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StoryId readTill = 0;
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int total = 0;
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[[nodiscard]] bool unread() const;
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friend inline bool operator==(StoriesList, StoriesList) = default;
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};
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enum class NoStory : uchar {
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Unknown,
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Deleted,
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};
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class Stories final {
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public:
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explicit Stories(not_null<Session*> owner);
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~Stories();
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[[nodiscard]] Session &owner() const;
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void loadMore();
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void apply(const MTPDupdateStories &data);
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[[nodiscard]] const std::vector<StoriesList> &all();
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[[nodiscard]] bool allLoaded() const;
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[[nodiscard]] rpl::producer<> allChanged() const;
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[[nodiscard]] base::expected<not_null<Story*>, NoStory> lookup(
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FullStoryId id) const;
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void resolve(FullStoryId id, Fn<void()> done);
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private:
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[[nodiscard]] StoriesList parse(const MTPUserStories &stories);
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[[nodiscard]] Story *parse(
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not_null<PeerData*> peer,
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const MTPDstoryItem &data);
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void pushToBack(StoriesList &&list);
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void pushToFront(StoriesList &&list);
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const not_null<Session*> _owner;
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base::flat_map<
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PeerId,
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base::flat_map<StoryId, std::unique_ptr<Story>>> _stories;
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base::flat_set<FullStoryId> _deleted;
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std::vector<StoriesList> _all;
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rpl::event_stream<> _allChanged;
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QString _state;
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bool _allLoaded = false;
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mtpRequestId _loadMoreRequestId = 0;
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};
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} // namespace Data
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