init

Telegram/SourceFiles/data/data_forum_icons.cpp

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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
+*/
+#include "data/data_forum_icons.h"
+
+#include "main/main_session.h"
+#include "data/data_session.h"
+#include "data/data_document.h"
+#include "data/data_forum.h"
+#include "data/data_forum_topic.h"
+#include "apiwrap.h"
+
+namespace Data {
+
+ForumIcons::ForumIcons(not_null<Session*> owner)
+: _owner(owner)
+, _resetUserpicsTimer([=] { resetUserpics(); }) {
+}
+
+ForumIcons::~ForumIcons() = default;
+
+Main::Session &ForumIcons::session() const {
+	return _owner->session();
+}
+
+void ForumIcons::requestDefaultIfUnknown() {
+	if (_default.empty()) {
+		requestDefault();
+	}
+}
+
+void ForumIcons::refreshDefault() {
+	requestDefault();
+}
+
+const std::vector<DocumentId> &ForumIcons::list() const {
+	return _default;
+}
+
+rpl::producer<> ForumIcons::defaultUpdates() const {
+	return _defaultUpdated.events();
+}
+
+void ForumIcons::requestDefault() {
+	if (_defaultRequestId) {
+		return;
+	}
+	auto &api = _owner->session().api();
+	_defaultRequestId = api.request(MTPmessages_GetStickerSet(
+		MTP_inputStickerSetEmojiDefaultTopicIcons(),
+		MTP_int(0) // hash
+	)).done([=](const MTPmessages_StickerSet &result) {
+		_defaultRequestId = 0;
+		result.match([&](const MTPDmessages_stickerSet &data) {
+			updateDefault(data);
+		}, [](const MTPDmessages_stickerSetNotModified &) {
+			LOG(("API Error: Unexpected messages.stickerSetNotModified."));
+		});
+	}).fail([=] {
+		_defaultRequestId = 0;
+	}).send();
+}
+
+void ForumIcons::updateDefault(const MTPDmessages_stickerSet &data) {
+	const auto &list = data.vdocuments().v;
+	_default.clear();
+	_default.reserve(list.size());
+	for (const auto &sticker : list) {
+		_default.push_back(_owner->processDocument(sticker)->id);
+	}
+	_defaultUpdated.fire({});
+}
+
+void ForumIcons::scheduleUserpicsReset(not_null<Forum*> forum) {
+	const auto duration = crl::time(st::slideDuration);
+	_resetUserpicsWhen[forum] = crl::now() + duration;
+	if (!_resetUserpicsTimer.isActive()) {
+		_resetUserpicsTimer.callOnce(duration);
+	}
+}
+
+void ForumIcons::clearUserpicsReset(not_null<Forum*> forum) {
+	_resetUserpicsWhen.remove(forum);
+}
+
+void ForumIcons::resetUserpics() {
+	auto nearest = crl::time();
+	auto now = crl::now();
+	for (auto i = begin(_resetUserpicsWhen); i != end(_resetUserpicsWhen);) {
+		if (i->second > now) {
+			if (!nearest || nearest > i->second) {
+				nearest = i->second;
+			}
+			++i;
+		} else {
+			const auto forum = i->first;
+			i = _resetUserpicsWhen.erase(i);
+			resetUserpicsFor(forum);
+		}
+	}
+	if (nearest) {
+		_resetUserpicsTimer.callOnce(
+			std::min(nearest - now, 86400 * crl::time(1000)));
+	} else {
+		_resetUserpicsTimer.cancel();
+	}
+}
+
+void ForumIcons::resetUserpicsFor(not_null<Forum*> forum) {
+	forum->enumerateTopics([](not_null<ForumTopic*> topic) {
+		topic->clearUserpicLoops();
+	});
+}
+
+} // namespace Data