init

Telegram/SourceFiles/data/data_audio_msg_id.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_audio_msg_id.h"
+
+#include "data/data_document.h"
+
+namespace {
+
+constexpr auto kMinLengthForChangeablePlaybackSpeed = 20 * TimeId(60); // 20 minutes.
+
+} // namespace
+
+AudioMsgId::AudioMsgId() {
+}
+
+AudioMsgId::AudioMsgId(
+	not_null<DocumentData*> audio,
+	FullMsgId msgId,
+	uint32 externalPlayId)
+: _audio(audio)
+, _contextId(msgId)
+, _externalPlayId(externalPlayId)
+, _changeablePlaybackSpeed(_audio->isVoiceMessage()
+	|| _audio->isVideoMessage()
+	|| (_audio->duration() >= kMinLengthForChangeablePlaybackSpeed)) {
+	setTypeFromAudio();
+}
+
+uint32 AudioMsgId::CreateExternalPlayId() {
+	static auto Result = uint32(0);
+	return ++Result ? Result : ++Result;
+}
+
+AudioMsgId AudioMsgId::ForVideo() {
+	auto result = AudioMsgId();
+	result._externalPlayId = CreateExternalPlayId();
+	result._type = Type::Video;
+	return result;
+}
+
+void AudioMsgId::setTypeFromAudio() {
+	if (_audio->isVoiceMessage() || _audio->isVideoMessage()) {
+		_type = Type::Voice;
+	} else if (_audio->isVideoFile()) {
+		_type = Type::Video;
+	} else if (_audio->isAudioFile()) {
+		_type = Type::Song;
+	} else {
+		_type = Type::Unknown;
+	}
+}
+
+AudioMsgId::Type AudioMsgId::type() const {
+	return _type;
+}
+
+DocumentData *AudioMsgId::audio() const {
+	return _audio;
+}
+
+FullMsgId AudioMsgId::contextId() const {
+	return _contextId;
+}
+
+uint32 AudioMsgId::externalPlayId() const {
+	return _externalPlayId;
+}
+
+bool AudioMsgId::changeablePlaybackSpeed() const {
+	return _changeablePlaybackSpeed;
+}
+
+AudioMsgId::operator bool() const {
+	return (_audio != nullptr) || (_externalPlayId != 0);
+}
+
+bool AudioMsgId::operator<(const AudioMsgId &other) const {
+	if (quintptr(audio()) < quintptr(other.audio())) {
+		return true;
+	} else if (quintptr(other.audio()) < quintptr(audio())) {
+		return false;
+	} else if (contextId() < other.contextId()) {
+		return true;
+	} else if (other.contextId() < contextId()) {
+		return false;
+	}
+	return (externalPlayId() < other.externalPlayId());
+}
+
+bool AudioMsgId::operator==(const AudioMsgId &other) const {
+	return (audio() == other.audio())
+		&& (contextId() == other.contextId())
+		&& (externalPlayId() == other.externalPlayId());
+}
+
+bool AudioMsgId::operator!=(const AudioMsgId &other) const {
+	return !(*this == other);
+}