Added initial support for voice messages with TTL.

Telegram/Resources/langs/lang.strings

@@ -1715,6 +1715,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_ttl_video_received" = "{from} sent you a self-destructing video. Please view it on your mobile.";
 "lng_ttl_video_sent" = "You sent a self-destructing video.";
 "lng_ttl_video_expired" = "Video has expired";
+"lng_ttl_voice_sent" = "You sent a self-destructing voice messsage.";
+"lng_ttl_voice_expired" = "Voice message expired";
+"lng_ttl_round_sent" = "You sent a self-destructing video message.";
+"lng_ttl_round_expired" = "Round message expired";
 
 "lng_profile_add_more_after_create" = "You will be able to add more members after you create the group.";
 "lng_profile_camera_title" = "Capture yourself";

Telegram/SourceFiles/data/data_media_types.cpp

@@ -555,6 +555,10 @@ bool Media::hasSpoiler() const {
 	return false;
 }
 
+crl::time Media::ttlSeconds() const {
+	return 0;
+}
+
 bool Media::consumeMessageText(const TextWithEntities &text) {
 	return false;
 }
@@ -849,12 +853,14 @@ MediaFile::MediaFile(
 	not_null<HistoryItem*> parent,
 	not_null<DocumentData*> document,
 	bool skipPremiumEffect,
-	bool spoiler)
+	bool spoiler,
+	crl::time ttlSeconds)
 : Media(parent)
 , _document(document)
 , _emoji(document->sticker() ? document->sticker()->alt : QString())
 , _skipPremiumEffect(skipPremiumEffect)
-, _spoiler(spoiler) {
+, _spoiler(spoiler)
+, _ttlSeconds(ttlSeconds) {
 	parent->history()->owner().registerDocumentItem(_document, parent);
 
 	if (!_emoji.isEmpty()) {
@@ -882,7 +888,8 @@ std::unique_ptr<Media> MediaFile::clone(not_null<HistoryItem*> parent) {
 		parent,
 		_document,
 		!_document->session().premium(),
-		_spoiler);
+		_spoiler,
+		_ttlSeconds);
 }
 
 DocumentData *MediaFile::document() const {
@@ -1129,6 +1136,10 @@ bool MediaFile::hasSpoiler() const {
 	return _spoiler;
 }
 
+crl::time MediaFile::ttlSeconds() const {
+	return _ttlSeconds;
+}
+
 bool MediaFile::updateInlineResultMedia(const MTPMessageMedia &media) {
 	if (media.type() != mtpc_messageMediaDocument) {
 		return false;

Telegram/SourceFiles/data/data_media_types.h

@@ -174,6 +174,7 @@ public:
 	virtual bool dropForwardedInfo() const;
 	virtual bool forceForwardedInfo() const;
 	[[nodiscard]] virtual bool hasSpoiler() const;
+	[[nodiscard]] virtual crl::time ttlSeconds() const;
 
 	[[nodiscard]] virtual bool consumeMessageText(
 		const TextWithEntities &text);
@@ -256,7 +257,8 @@ public:
 		not_null<HistoryItem*> parent,
 		not_null<DocumentData*> document,
 		bool skipPremiumEffect,
-		bool spoiler);
+		bool spoiler,
+		crl::time ttlSeconds);
 	~MediaFile();
 
 	std::unique_ptr<Media> clone(not_null<HistoryItem*> parent) override;
@@ -278,6 +280,7 @@ public:
 	bool forwardedBecomesUnread() const override;
 	bool dropForwardedInfo() const override;
 	bool hasSpoiler() const override;
+	crl::time ttlSeconds() const override;
 
 	bool updateInlineResultMedia(const MTPMessageMedia &media) override;
 	bool updateSentMedia(const MTPMessageMedia &media) override;
@@ -292,6 +295,9 @@ private:
 	bool _skipPremiumEffect = false;
 	bool _spoiler = false;
 
+	// Video (unsupported) / Voice / Round.
+	crl::time _ttlSeconds = 0;
+
 };
 
 class MediaContact final : public Media {

Telegram/SourceFiles/history/history_item.cpp

@@ -242,7 +242,7 @@ std::unique_ptr<Data::Media> HistoryItem::CreateMedia(
 		});
 	}, [&](const MTPDmessageMediaDocument &media) -> Result {
 		const auto document = media.vdocument();
-		if (media.vttl_seconds()) {
+		if (media.vttl_seconds() && media.is_video()) {
 			LOG(("App Error: "
 				"Unexpected MTPMessageMediaDocument "
 				"with ttl_seconds in CreateMedia."));
@@ -258,7 +258,8 @@ std::unique_ptr<Data::Media> HistoryItem::CreateMedia(
 				item,
 				item->history()->owner().processDocument(document),
 				media.is_nopremium(),
-				media.is_spoiler());
+				media.is_spoiler(),
+				media.vttl_seconds().value_or_empty());
 		}, [](const MTPDdocumentEmpty &) -> Result {
 			return nullptr;
 		});
@@ -354,7 +355,8 @@ HistoryItem::HistoryItem(
 		setServiceText({
 			tr::lng_message_empty(tr::now, Ui::Text::WithEntities)
 		});
-	} else if (checked == MediaCheckResult::HasTimeToLive) {
+	} else if ((checked == MediaCheckResult::HasUnsupportedTimeToLive)
+			|| (checked == MediaCheckResult::HasExpiredMediaTimeToLive)) {
 		createServiceFromMtp(data);
 		applyTTL(data);
 	} else if (checked == MediaCheckResult::HasStoryMention) {
@@ -617,7 +619,8 @@ HistoryItem::HistoryItem(
 		this,
 		document,
 		skipPremiumEffect,
-		spoiler);
+		spoiler,
+		/*ttlSeconds = */0);
 	setText(caption);
 }
 
@@ -1659,7 +1662,8 @@ void HistoryItem::setStoryFields(not_null<Data::Story*> story) {
 			this,
 			document,
 			/*skipPremiumEffect=*/false,
-			spoiler);
+			spoiler,
+			/*ttlSeconds = */0);
 	}
 	setText(story->caption());
 }
@@ -3605,25 +3609,43 @@ void HistoryItem::createServiceFromMtp(const MTPDmessage &message) {
 			const auto ttl = data.vttl_seconds();
 			Assert(ttl != nullptr);
 
-			setSelfDestruct(HistoryServiceSelfDestruct::Type::Video, *ttl);
-			if (out()) {
-				setServiceText({
-					tr::lng_ttl_video_sent(tr::now, Ui::Text::WithEntities)
-				});
-			} else {
-				auto result = PreparedServiceText();
-				result.links.push_back(fromLink());
-				result.text = tr::lng_ttl_video_received(
-					tr::now,
-					lt_from,
-					fromLinkText(), // Link 1.
-					Ui::Text::WithEntities);
-				setServiceText(std::move(result));
+			if (data.is_video()) {
+				setSelfDestruct(
+					HistoryServiceSelfDestruct::Type::Video,
+					*ttl);
+				if (out()) {
+					setServiceText({
+						tr::lng_ttl_video_sent(
+							tr::now,
+							Ui::Text::WithEntities)
+					});
+				} else {
+					auto result = PreparedServiceText();
+					result.links.push_back(fromLink());
+					result.text = tr::lng_ttl_video_received(
+						tr::now,
+						lt_from,
+						fromLinkText(), // Link 1.
+						Ui::Text::WithEntities);
+					setServiceText(std::move(result));
+				}
+			} else if (out()) {
+				auto text = (data.is_voice()
+					? tr::lng_ttl_voice_sent
+					: data.is_round()
+					? tr::lng_ttl_round_sent
+					: tr::lng_message_empty)(tr::now, Ui::Text::WithEntities);
+				setServiceText({ std::move(text) });
 			}
 		} else {
-			setServiceText({
-				tr::lng_ttl_video_expired(tr::now, Ui::Text::WithEntities)
-			});
+			auto text = (data.is_video()
+				? tr::lng_ttl_video_expired
+				: data.is_voice()
+				? tr::lng_ttl_voice_expired
+				: data.is_round()
+				? tr::lng_ttl_round_expired
+				: tr::lng_message_empty)(tr::now, Ui::Text::WithEntities);
+			setServiceText({ std::move(text) });
 		}
 	}, [&](const MTPDmessageMediaStory &data) {
 		setServiceText(prepareStoryMentionText());

Telegram/SourceFiles/history/history_item_helpers.cpp

@@ -451,7 +451,7 @@ MediaCheckResult CheckMessageMedia(const MTPMessageMedia &media) {
 	}, [](const MTPDmessageMediaPhoto &data) {
 		const auto photo = data.vphoto();
 		if (data.vttl_seconds()) {
-			return Result::HasTimeToLive;
+			return Result::HasUnsupportedTimeToLive;
 		} else if (!photo) {
 			return Result::Empty;
 		}
@@ -463,7 +463,11 @@ MediaCheckResult CheckMessageMedia(const MTPMessageMedia &media) {
 	}, [](const MTPDmessageMediaDocument &data) {
 		const auto document = data.vdocument();
 		if (data.vttl_seconds()) {
-			return Result::HasTimeToLive;
+			if (data.is_video()) {
+				return Result::HasUnsupportedTimeToLive;
+			} else if (!document) {
+				return Result::HasExpiredMediaTimeToLive;
+			}
 		} else if (!document) {
 			return Result::Empty;
 		}

Telegram/SourceFiles/history/history_item_helpers.h

@@ -43,7 +43,8 @@ enum class MediaCheckResult {
 	Good,
 	Unsupported,
 	Empty,
-	HasTimeToLive,
+	HasExpiredMediaTimeToLive,
+	HasUnsupportedTimeToLive,
 	HasStoryMention,
 };
 [[nodiscard]] MediaCheckResult CheckMessageMedia(

Telegram/SourceFiles/history/view/media/history_view_document.cpp

@@ -15,6 +15,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "media/audio/media_audio.h"
 #include "media/player/media_player_instance.h"
 #include "history/history_item_components.h"
+#include "history/history_item_helpers.h" // PreparedServiceText.
 #include "history/history.h"
 #include "core/click_handler_types.h" // kDocumentFilenameTooltipProperty.
 #include "history/view/history_view_element.h"
@@ -47,6 +48,10 @@ namespace {
 
 constexpr auto kAudioVoiceMsgUpdateView = crl::time(100);
 
+[[nodiscard]] bool OncePlayable(not_null<HistoryItem*> item) {
+	return !item->out() && item->media()->ttlSeconds();
+}
+
 [[nodiscard]] QString CleanTagSymbols(const QString &value) {
 	auto result = QString();
 	const auto begin = value.begin(), end = value.end();
@@ -195,7 +200,8 @@ Document::Document(
 	not_null<DocumentData*> document)
 : File(parent, realParent)
 , _data(document) {
-	if (_data->isVideoMessage()) {
+	const auto isRound = _data->isVideoMessage();
+	if (isRound) {
 		const auto &entry = _data->session().api().transcribes().entry(
 			realParent);
 		_transcribedRound = entry.shown;
@@ -209,7 +215,49 @@ Document::Document(
 		_tooltipFilename.setTooltipText(named->name);
 	}
 
-	setDocumentLinks(_data, realParent);
+	if ((_data->isVoiceMessage() || isRound)
+		&& OncePlayable(_parent->data())) {
+		_parent->data()->removeFromSharedMediaIndex();
+		setDocumentLinks(_data, realParent, [=] {
+			_openl = nullptr;
+
+			auto lifetime = std::make_shared<rpl::lifetime>();
+			rpl::merge(
+				::Media::Player::instance()->updatedNotifier(
+				) | rpl::filter([=](::Media::Player::TrackState state) {
+					using State = ::Media::Player::State;
+					const auto badState = state.state == State::Stopped
+						|| state.state == State::StoppedAtEnd
+						|| state.state == State::StoppedAtError
+						|| state.state == State::StoppedAtStart;
+					return (state.id.contextId() != _realParent->fullId())
+						&& !badState;
+				}) | rpl::to_empty,
+				::Media::Player::instance()->tracksFinished(
+				) | rpl::filter([=](AudioMsgId::Type type) {
+					return (type == AudioMsgId::Type::Voice);
+				}) | rpl::to_empty
+			) | rpl::start_with_next([=]() mutable {
+				const auto item = _parent->data();
+				// Destroys this.
+				item->applyEditionToHistoryCleared();
+				item->updateServiceText(PreparedServiceText{
+					(isRound
+						? tr::lng_ttl_round_expired
+						: tr::lng_ttl_voice_expired)(
+							tr::now,
+							Ui::Text::WithEntities)
+				});
+				if (lifetime) {
+					base::take(lifetime)->destroy();
+				}
+			}, *lifetime);
+
+			return false;
+		});
+	} else {
+		setDocumentLinks(_data, realParent);
+	}
 
 	setStatusSize(Ui::FileStatusSizeReady);
 
@@ -273,9 +321,9 @@ void Document::createComponents(bool caption) {
 			_realParent->fullId());
 	}
 	if (const auto voice = Get<HistoryDocumentVoice>()) {
-		voice->seekl = std::make_shared<VoiceSeekClickHandler>(
-			_data,
-			[](FullMsgId) {});
+		voice->seekl = !OncePlayable(_parent->data())
+			? std::make_shared<VoiceSeekClickHandler>(_data, [](FullMsgId) {})
+			: nullptr;
 		if (_transcribedRound) {
 			voice->round = std::make_unique<::Media::Player::RoundPainter>(
 				_realParent);

Telegram/SourceFiles/history/view/media/history_view_web_page.cpp

@@ -65,7 +65,8 @@ constexpr auto kMaxOriginalEntryLines = 8192;
 				parent,
 				*document,
 				skipPremiumEffect,
-				spoiler));
+				spoiler,
+				/*ttlSeconds = */0));
 		} else if (const auto photo = std::get_if<PhotoData*>(&item)) {
 			result.push_back(std::make_unique<Data::MediaPhoto>(
 				parent,

Telegram/SourceFiles/mainwidget.cpp

@@ -752,13 +752,20 @@ void MainWidget::searchMessages(const QString &query, Dialogs::Key inChat) {
 void MainWidget::handleAudioUpdate(const Media::Player::TrackState &state) {
 	using State = Media::Player::State;
 	const auto document = state.id.audio();
+	const auto item = session().data().message(state.id.contextId());
 	if (!Media::Player::IsStoppedOrStopping(state.state)) {
-		createPlayer();
+		const auto ttlSeconds = item
+			&& !item->out()
+			&& item->media()
+			&& item->media()->ttlSeconds();
+		if (!ttlSeconds) {
+			createPlayer();
+		}
 	} else if (state.state == State::StoppedAtStart) {
 		Media::Player::instance()->stopAndClose();
 	}
 
-	if (const auto item = session().data().message(state.id.contextId())) {
+	if (item) {
 		session().data().requestItemRepaint(item);
 	}
 	if (document) {

Telegram/SourceFiles/media/player/media_player_instance.cpp

@@ -503,6 +503,9 @@ bool Instance::moveInPlaylist(
 	}
 	const auto jumpByItem = [&](not_null<HistoryItem*> item) {
 		if (const auto media = item->media()) {
+			if (media->ttlSeconds()) {
+				return false;
+			}
 			if (const auto document = media->document()) {
 				if (autonext) {
 					_switchToNext.fire({