719 lines
18 KiB
C++
719 lines
18 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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#include "data/data_story.h"
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#include "base/unixtime.h"
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#include "api/api_text_entities.h"
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#include "data/data_document.h"
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#include "data/data_changes.h"
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#include "data/data_file_origin.h"
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#include "data/data_photo.h"
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#include "data/data_photo_media.h"
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#include "data/data_user.h"
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#include "data/data_session.h"
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#include "data/data_stories.h"
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#include "data/data_thread.h"
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#include "history/history_item.h"
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#include "lang/lang_keys.h"
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#include "main/main_session.h"
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#include "media/streaming/media_streaming_reader.h"
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#include "storage/download_manager_mtproto.h"
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#include "storage/file_download.h" // kMaxFileInMemory
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#include "ui/text/text_utilities.h"
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namespace Data {
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namespace {
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using UpdateFlag = StoryUpdate::Flag;
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[[nodiscard]] StoryArea ParseArea(const MTPMediaAreaCoordinates &area) {
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const auto &data = area.data();
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const auto center = QPointF(data.vx().v, data.vy().v);
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const auto size = QSizeF(data.vw().v, data.vh().v);
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const auto corner = center - QPointF(size.width(), size.height()) / 2.;
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return {
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.geometry = { corner / 100., size / 100. },
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.rotation = data.vrotation().v,
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};
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}
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[[nodiscard]] auto ParseLocation(const MTPMediaArea &area)
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-> std::optional<StoryLocation> {
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auto result = std::optional<StoryLocation>();
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area.match([&](const MTPDmediaAreaVenue &data) {
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data.vgeo().match([&](const MTPDgeoPoint &geo) {
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result.emplace(StoryLocation{
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.area = ParseArea(data.vcoordinates()),
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.point = Data::LocationPoint(geo),
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.title = qs(data.vtitle()),
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.address = qs(data.vaddress()),
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.provider = qs(data.vprovider()),
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.venueId = qs(data.vvenue_id()),
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.venueType = qs(data.vvenue_type()),
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});
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}, [](const MTPDgeoPointEmpty &) {
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});
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}, [&](const MTPDmediaAreaGeoPoint &data) {
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data.vgeo().match([&](const MTPDgeoPoint &geo) {
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result.emplace(StoryLocation{
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.area = ParseArea(data.vcoordinates()),
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.point = Data::LocationPoint(geo),
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});
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}, [](const MTPDgeoPointEmpty &) {
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});
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}, [&](const MTPDmediaAreaSuggestedReaction &data) {
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}, [&](const MTPDinputMediaAreaVenue &data) {
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LOG(("API Error: Unexpected inputMediaAreaVenue in API data."));
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});
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return result;
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}
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[[nodiscard]] auto ParseSuggestedReaction(const MTPMediaArea &area)
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-> std::optional<SuggestedReaction> {
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auto result = std::optional<SuggestedReaction>();
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area.match([&](const MTPDmediaAreaVenue &data) {
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}, [&](const MTPDmediaAreaGeoPoint &data) {
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}, [&](const MTPDmediaAreaSuggestedReaction &data) {
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result.emplace(SuggestedReaction{
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.area = ParseArea(data.vcoordinates()),
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.reaction = Data::ReactionFromMTP(data.vreaction()),
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.flipped = data.is_flipped(),
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.dark = data.is_dark(),
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});
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}, [&](const MTPDinputMediaAreaVenue &data) {
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LOG(("API Error: Unexpected inputMediaAreaVenue in API data."));
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});
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return result;
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}
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} // namespace
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class StoryPreload::LoadTask final : private Storage::DownloadMtprotoTask {
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public:
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LoadTask(
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FullStoryId id,
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not_null<DocumentData*> document,
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Fn<void(QByteArray)> done);
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~LoadTask();
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private:
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bool readyToRequest() const override;
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int64 takeNextRequestOffset() override;
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bool feedPart(int64 offset, const QByteArray &bytes) override;
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void cancelOnFail() override;
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bool setWebFileSizeHook(int64 size) override;
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base::flat_map<uint32, QByteArray> _parts;
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Fn<void(QByteArray)> _done;
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base::flat_set<int> _requestedOffsets;
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int64 _full = 0;
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int _nextRequestOffset = 0;
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bool _finished = false;
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bool _failed = false;
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};
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StoryPreload::LoadTask::LoadTask(
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FullStoryId id,
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not_null<DocumentData*> document,
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Fn<void(QByteArray)> done)
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: DownloadMtprotoTask(
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&document->session().downloader(),
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document->videoPreloadLocation(),
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FileOriginStory(id.peer, id.story))
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, _done(std::move(done))
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, _full(document->size) {
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const auto prefix = document->videoPreloadPrefix();
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Assert(prefix > 0 && prefix <= document->size);
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const auto part = Storage::kDownloadPartSize;
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const auto parts = (prefix + part - 1) / part;
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for (auto i = 0; i != parts; ++i) {
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_parts.emplace(i * part, QByteArray());
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}
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addToQueue();
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}
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StoryPreload::LoadTask::~LoadTask() {
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if (!_finished && !_failed) {
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cancelAllRequests();
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}
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}
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bool StoryPreload::LoadTask::readyToRequest() const {
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const auto part = Storage::kDownloadPartSize;
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return !_failed && (_nextRequestOffset < _parts.size() * part);
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}
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int64 StoryPreload::LoadTask::takeNextRequestOffset() {
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Expects(readyToRequest());
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_requestedOffsets.emplace(_nextRequestOffset);
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_nextRequestOffset += Storage::kDownloadPartSize;
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return _requestedOffsets.back();
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}
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bool StoryPreload::LoadTask::feedPart(
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int64 offset,
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const QByteArray &bytes) {
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Expects(offset < _parts.size() * Storage::kDownloadPartSize);
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Expects(_requestedOffsets.contains(int(offset)));
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Expects(bytes.size() <= Storage::kDownloadPartSize);
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const auto part = Storage::kDownloadPartSize;
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_requestedOffsets.remove(int(offset));
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_parts[offset] = bytes;
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if ((_nextRequestOffset + part >= _parts.size() * part)
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&& _requestedOffsets.empty()) {
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_finished = true;
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removeFromQueue();
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auto result = ::Media::Streaming::SerializeComplexPartsMap(_parts);
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if (result.size() == _full) {
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// Make sure it is parsed as a complex map.
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result.push_back(char(0));
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}
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_done(result);
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}
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return true;
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}
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void StoryPreload::LoadTask::cancelOnFail() {
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_failed = true;
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cancelAllRequests();
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_done({});
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}
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bool StoryPreload::LoadTask::setWebFileSizeHook(int64 size) {
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_failed = true;
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cancelAllRequests();
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_done({});
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return false;
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}
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Story::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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const MTPDstoryItem &data,
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TimeId now)
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: _id(id)
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, _peer(peer)
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, _date(data.vdate().v)
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, _expires(data.vexpire_date().v) {
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applyFields(std::move(media), data, now, true);
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}
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Session &Story::owner() const {
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return _peer->owner();
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}
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Main::Session &Story::session() const {
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return _peer->session();
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}
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not_null<PeerData*> Story::peer() const {
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return _peer;
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}
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StoryId Story::id() const {
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return _id;
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}
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bool Story::mine() const {
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return _peer->isSelf();
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}
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StoryIdDates Story::idDates() const {
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return { _id, _date, _expires };
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}
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FullStoryId Story::fullId() const {
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return { _peer->id, _id };
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}
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TimeId Story::date() const {
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return _date;
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}
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TimeId Story::expires() const {
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return _expires;
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}
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bool Story::expired(TimeId now) const {
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return _expires <= (now ? now : base::unixtime::now());
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}
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bool Story::unsupported() const {
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return v::is_null(_media.data);
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}
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const StoryMedia &Story::media() const {
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return _media;
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}
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PhotoData *Story::photo() const {
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const auto result = std::get_if<not_null<PhotoData*>>(&_media.data);
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return result ? result->get() : nullptr;
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}
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DocumentData *Story::document() const {
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const auto result = std::get_if<not_null<DocumentData*>>(&_media.data);
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return result ? result->get() : nullptr;
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}
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bool Story::hasReplyPreview() const {
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return v::match(_media.data, [](not_null<PhotoData*> photo) {
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return !photo->isNull();
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}, [](not_null<DocumentData*> document) {
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return document->hasThumbnail();
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}, [](v::null_t) {
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return false;
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});
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}
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Image *Story::replyPreview() const {
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return v::match(_media.data, [&](not_null<PhotoData*> photo) {
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return photo->getReplyPreview(
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Data::FileOriginStory(_peer->id, _id),
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_peer,
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false);
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}, [&](not_null<DocumentData*> document) {
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return document->getReplyPreview(
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Data::FileOriginStory(_peer->id, _id),
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_peer,
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false);
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}, [](v::null_t) {
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return (Image*)nullptr;
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});
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}
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TextWithEntities Story::inReplyText() const {
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const auto type = tr::lng_in_dlg_story(tr::now);
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return _caption.text.isEmpty()
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? Ui::Text::PlainLink(type)
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: tr::lng_dialogs_text_media(
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tr::now,
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lt_media_part,
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tr::lng_dialogs_text_media_wrapped(
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tr::now,
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lt_media,
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Ui::Text::PlainLink(type),
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Ui::Text::WithEntities),
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lt_caption,
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_caption,
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Ui::Text::WithEntities);
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}
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void Story::setPinned(bool pinned) {
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_pinned = pinned;
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}
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bool Story::pinned() const {
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return _pinned;
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}
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StoryPrivacy Story::privacy() const {
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return _privacyPublic
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? StoryPrivacy::Public
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: _privacyCloseFriends
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? StoryPrivacy::CloseFriends
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: _privacyContacts
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? StoryPrivacy::Contacts
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: _privacySelectedContacts
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? StoryPrivacy::SelectedContacts
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: StoryPrivacy::Other;
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}
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bool Story::forbidsForward() const {
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return _noForwards;
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}
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bool Story::edited() const {
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return _edited;
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}
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bool Story::out() const {
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return _out;
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}
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bool Story::canDownloadIfPremium() const {
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return !forbidsForward() || _peer->isSelf();
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}
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bool Story::canDownloadChecked() const {
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return _peer->isSelf()
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|| (canDownloadIfPremium() && _peer->session().premium());
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}
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bool Story::canShare() const {
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return _privacyPublic && !forbidsForward() && (pinned() || !expired());
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}
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bool Story::canDelete() const {
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return _peer->isSelf();
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}
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bool Story::canReport() const {
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return !_peer->isSelf();
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}
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bool Story::hasDirectLink() const {
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if (!_privacyPublic || (!_pinned && expired())) {
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return false;
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}
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const auto user = _peer->asUser();
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return user && !user->username().isEmpty();
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}
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std::optional<QString> Story::errorTextForForward(
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not_null<Thread*> to) const {
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const auto peer = to->peer();
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const auto holdsPhoto = v::is<not_null<PhotoData*>>(_media.data);
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const auto first = holdsPhoto
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? ChatRestriction::SendPhotos
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: ChatRestriction::SendVideos;
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const auto second = holdsPhoto
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? ChatRestriction::SendVideos
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: ChatRestriction::SendPhotos;
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if (const auto error = Data::RestrictionError(peer, first)) {
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return *error;
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} else if (const auto error = Data::RestrictionError(peer, second)) {
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return *error;
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} else if (!Data::CanSend(to, first, false)
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|| !Data::CanSend(to, second, false)) {
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return tr::lng_forward_cant(tr::now);
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}
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return {};
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}
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void Story::setCaption(TextWithEntities &&caption) {
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_caption = std::move(caption);
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}
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const TextWithEntities &Story::caption() const {
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static const auto empty = TextWithEntities();
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return unsupported() ? empty : _caption;
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}
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Data::ReactionId Story::sentReactionId() const {
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return _sentReactionId;
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}
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void Story::setReactionId(Data::ReactionId id) {
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if (_sentReactionId != id) {
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_sentReactionId = id;
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session().changes().storyUpdated(this, UpdateFlag::Reaction);
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}
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}
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const std::vector<not_null<PeerData*>> &Story::recentViewers() const {
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return _recentViewers;
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}
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const StoryViews &Story::viewsList() const {
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return _views;
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}
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int Story::views() const {
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return _views.total;
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}
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int Story::reactions() const {
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return _views.reactions;
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}
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void Story::applyViewsSlice(
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const QString &offset,
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const StoryViews &slice) {
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const auto changed = (_views.reactions != slice.reactions)
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|| (_views.total != slice.total);
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_views.reactions = slice.reactions;
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_views.total = slice.total;
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if (offset.isEmpty()) {
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_views = slice;
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} else if (_views.nextOffset == offset) {
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_views.list.insert(
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end(_views.list),
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begin(slice.list),
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end(slice.list));
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_views.nextOffset = slice.nextOffset;
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if (_views.nextOffset.isEmpty()) {
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_views.total = int(_views.list.size());
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_views.reactions = _views.total
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- ranges::count(
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_views.list,
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Data::ReactionId(),
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&StoryView::reaction);
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}
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}
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const auto known = int(_views.list.size());
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if (known >= _recentViewers.size()) {
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const auto take = std::min(known, kRecentViewersMax);
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auto viewers = _views.list
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| ranges::views::take(take)
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| ranges::views::transform(&StoryView::peer)
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| ranges::to_vector;
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if (_recentViewers != viewers) {
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_recentViewers = std::move(viewers);
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if (!changed) {
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// Count not changed, but list of recent viewers changed.
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_peer->session().changes().storyUpdated(
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this,
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UpdateFlag::ViewsAdded);
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}
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}
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}
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if (changed) {
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_peer->session().changes().storyUpdated(
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this,
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UpdateFlag::ViewsAdded);
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}
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}
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const std::vector<StoryLocation> &Story::locations() const {
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return _locations;
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}
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const std::vector<SuggestedReaction> &Story::suggestedReactions() const {
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return _suggestedReactions;
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}
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void Story::applyChanges(
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StoryMedia media,
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const MTPDstoryItem &data,
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TimeId now) {
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applyFields(std::move(media), data, now, false);
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}
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void Story::applyFields(
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StoryMedia media,
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const MTPDstoryItem &data,
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TimeId now,
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bool initial) {
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_lastUpdateTime = now;
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const auto reaction = data.is_min()
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? _sentReactionId
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: data.vsent_reaction()
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? Data::ReactionFromMTP(*data.vsent_reaction())
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: Data::ReactionId();
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const auto pinned = data.is_pinned();
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const auto edited = data.is_edited();
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const auto privacy = data.is_public()
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? StoryPrivacy::Public
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: data.is_close_friends()
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? StoryPrivacy::CloseFriends
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: data.is_contacts()
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? StoryPrivacy::Contacts
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: data.is_selected_contacts()
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? StoryPrivacy::SelectedContacts
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: StoryPrivacy::Other;
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const auto noForwards = data.is_noforwards();
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const auto out = data.is_min() ? _out : data.is_out();
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auto caption = TextWithEntities{
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data.vcaption().value_or_empty(),
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Api::EntitiesFromMTP(
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&owner().session(),
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data.ventities().value_or_empty()),
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};
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auto views = _views.total;
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auto reactions = _views.reactions;
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auto viewers = std::vector<not_null<PeerData*>>();
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if (const auto info = data.vviews()) {
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views = info->data().vviews_count().v;
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reactions = info->data().vreactions_count().value_or_empty();
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if (const auto list = info->data().vrecent_viewers()) {
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viewers.reserve(list->v.size());
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auto &owner = _peer->owner();
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auto &&cut = list->v
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| ranges::views::take(kRecentViewersMax);
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for (const auto &id : cut) {
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viewers.push_back(owner.peer(peerFromUser(id)));
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}
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}
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} else {
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viewers = _recentViewers;
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}
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auto locations = std::vector<StoryLocation>();
|
|
auto suggestedReactions = std::vector<SuggestedReaction>();
|
|
if (const auto areas = data.vmedia_areas()) {
|
|
locations.reserve(areas->v.size());
|
|
suggestedReactions.reserve(areas->v.size());
|
|
for (const auto &area : areas->v) {
|
|
if (const auto location = ParseLocation(area)) {
|
|
locations.push_back(*location);
|
|
} else if (const auto reaction = ParseSuggestedReaction(area)) {
|
|
suggestedReactions.push_back(*reaction);
|
|
}
|
|
}
|
|
}
|
|
|
|
const auto pinnedChanged = (_pinned != pinned);
|
|
const auto editedChanged = (_edited != edited);
|
|
const auto mediaChanged = (_media != media);
|
|
const auto captionChanged = (_caption != caption);
|
|
const auto viewsChanged = (_views.total != views)
|
|
|| (_views.reactions != reactions)
|
|
|| (_recentViewers != viewers);
|
|
const auto locationsChanged = (_locations != locations);
|
|
const auto suggestedReactionsChanged
|
|
= (_suggestedReactions != suggestedReactions);
|
|
const auto reactionChanged = (_sentReactionId != reaction);
|
|
|
|
_out = out;
|
|
_privacyPublic = (privacy == StoryPrivacy::Public);
|
|
_privacyCloseFriends = (privacy == StoryPrivacy::CloseFriends);
|
|
_privacyContacts = (privacy == StoryPrivacy::Contacts);
|
|
_privacySelectedContacts = (privacy == StoryPrivacy::SelectedContacts);
|
|
_edited = edited;
|
|
_pinned = pinned;
|
|
_noForwards = noForwards;
|
|
if (_views.reactions != reactions || _views.total != views) {
|
|
_views = StoryViews{ .reactions = reactions, .total = views };
|
|
}
|
|
if (viewsChanged) {
|
|
_recentViewers = std::move(viewers);
|
|
}
|
|
if (mediaChanged) {
|
|
_media = std::move(media);
|
|
}
|
|
if (captionChanged) {
|
|
_caption = std::move(caption);
|
|
}
|
|
if (locationsChanged) {
|
|
_locations = std::move(locations);
|
|
}
|
|
if (suggestedReactionsChanged) {
|
|
_suggestedReactions = std::move(suggestedReactions);
|
|
}
|
|
if (reactionChanged) {
|
|
_sentReactionId = reaction;
|
|
}
|
|
|
|
const auto changed = editedChanged
|
|
|| captionChanged
|
|
|| mediaChanged
|
|
|| locationsChanged
|
|
|| suggestedReactionsChanged;
|
|
if (!initial && (changed || viewsChanged || reactionChanged)) {
|
|
_peer->session().changes().storyUpdated(this, UpdateFlag()
|
|
| (changed ? UpdateFlag::Edited : UpdateFlag())
|
|
| (viewsChanged ? UpdateFlag::ViewsAdded : UpdateFlag())
|
|
| (reactionChanged ? UpdateFlag::Reaction : UpdateFlag()));
|
|
}
|
|
if (!initial && (captionChanged || mediaChanged)) {
|
|
if (const auto item = _peer->owner().stories().lookupItem(this)) {
|
|
item->applyChanges(this);
|
|
}
|
|
_peer->owner().refreshStoryItemViews(fullId());
|
|
}
|
|
if (pinnedChanged) {
|
|
_peer->owner().stories().savedStateChanged(this);
|
|
}
|
|
}
|
|
|
|
TimeId Story::lastUpdateTime() const {
|
|
return _lastUpdateTime;
|
|
}
|
|
|
|
StoryPreload::StoryPreload(not_null<Story*> story, Fn<void()> done)
|
|
: _story(story)
|
|
, _done(std::move(done)) {
|
|
start();
|
|
}
|
|
|
|
StoryPreload::~StoryPreload() {
|
|
if (_photo) {
|
|
base::take(_photo)->owner()->cancel();
|
|
}
|
|
}
|
|
|
|
FullStoryId StoryPreload::id() const {
|
|
return _story->fullId();
|
|
}
|
|
|
|
not_null<Story*> StoryPreload::story() const {
|
|
return _story;
|
|
}
|
|
|
|
void StoryPreload::start() {
|
|
const auto origin = FileOriginStory(
|
|
_story->peer()->id,
|
|
_story->id());
|
|
if (const auto photo = _story->photo()) {
|
|
_photo = photo->createMediaView();
|
|
if (_photo->loaded()) {
|
|
callDone();
|
|
} else {
|
|
_photo->automaticLoad(origin, _story->peer());
|
|
photo->session().downloaderTaskFinished(
|
|
) | rpl::filter([=] {
|
|
return _photo->loaded();
|
|
}) | rpl::start_with_next([=] { callDone(); }, _lifetime);
|
|
}
|
|
} else if (const auto video = _story->document()) {
|
|
if (video->canBeStreamed(nullptr) && video->videoPreloadPrefix()) {
|
|
const auto key = video->bigFileBaseCacheKey();
|
|
if (key) {
|
|
const auto weak = base::make_weak(this);
|
|
video->owner().cacheBigFile().get(key, [weak](
|
|
const QByteArray &result) {
|
|
if (!result.isEmpty()) {
|
|
crl::on_main([weak] {
|
|
if (const auto strong = weak.get()) {
|
|
strong->callDone();
|
|
}
|
|
});
|
|
} else {
|
|
crl::on_main([weak] {
|
|
if (const auto strong = weak.get()) {
|
|
strong->load();
|
|
}
|
|
});
|
|
}
|
|
});
|
|
} else {
|
|
callDone();
|
|
}
|
|
} else {
|
|
callDone();
|
|
}
|
|
} else {
|
|
callDone();
|
|
}
|
|
}
|
|
|
|
void StoryPreload::load() {
|
|
Expects(_story->document() != nullptr);
|
|
|
|
const auto video = _story->document();
|
|
const auto valid = video->videoPreloadLocation().valid();
|
|
const auto prefix = video->videoPreloadPrefix();
|
|
const auto key = video->bigFileBaseCacheKey();
|
|
if (!valid || prefix <= 0 || prefix > video->size || !key) {
|
|
callDone();
|
|
return;
|
|
}
|
|
_task = std::make_unique<LoadTask>(id(), video, [=](QByteArray data) {
|
|
if (!data.isEmpty()) {
|
|
Assert(data.size() < Storage::kMaxFileInMemory);
|
|
_story->owner().cacheBigFile().putIfEmpty(
|
|
key,
|
|
Storage::Cache::Database::TaggedValue(std::move(data), 0));
|
|
}
|
|
callDone();
|
|
});
|
|
}
|
|
|
|
void StoryPreload::callDone() {
|
|
if (const auto onstack = _done) {
|
|
onstack();
|
|
}
|
|
}
|
|
|
|
} // namespace Data
|