Fix sending of thumbnailed inline result GIFs.

Telegram/SourceFiles/data/data_document.cpp

@@ -453,6 +453,7 @@ DocumentData::DocumentData(not_null<Data::Session*> owner, DocumentId id)
 
 DocumentData::~DocumentData() {
 	base::take(_thumbnailLoader).reset();
+	base::take(_videoThumbnailLoader).reset();
 	destroyLoader();
 	unload();
 }
@@ -672,7 +673,9 @@ bool DocumentData::thumbnailFailed() const {
 }
 
 void DocumentData::loadThumbnail(Data::FileOrigin origin) {
-	if (_thumbnailLoader || (_flags & Flag::ThumbnailFailed)) {
+	if (_thumbnailLoader
+		|| (_flags & Flag::ThumbnailFailed)
+		|| !_thumbnailLocation.valid()) {
 		return;
 	} else if (const auto active = activeMediaView()) {
 		if (active->thumbnail()) {
@@ -728,7 +731,9 @@ bool DocumentData::videoThumbnailFailed() const {
 }
 
 void DocumentData::loadVideoThumbnail(Data::FileOrigin origin) {
-	if (_videoThumbnailLoader || (_flags & Flag::VideoThumbnailFailed)) {
+	if (_videoThumbnailLoader
+		|| (_flags & Flag::VideoThumbnailFailed)
+		|| !_videoThumbnailLocation.valid()) {
 		return;
 	} else if (const auto active = activeMediaView()) {
 		if (!active->videoThumbnailContent().isEmpty()) {

Telegram/SourceFiles/data/data_document_media.cpp

@@ -85,6 +85,56 @@ enum class FileType {
 
 } // namespace
 
+VideoPreviewState::VideoPreviewState(DocumentMedia *media)
+: _media(media)
+, _usingThumbnail(media ? media->owner()->hasVideoThumbnail() : false) {
+}
+
+void VideoPreviewState::automaticLoad(Data::FileOrigin origin) const {
+	Expects(_media != nullptr);
+
+	if (_usingThumbnail) {
+		_media->videoThumbnailWanted(origin);
+	} else {
+		_media->automaticLoad(origin, nullptr);
+	}
+}
+
+::Media::Clip::ReaderPointer VideoPreviewState::makeAnimation(
+		Fn<void(::Media::Clip::Notification)> callback) const {
+	Expects(_media != nullptr);
+	Expects(loaded());
+
+	return _usingThumbnail
+		? ::Media::Clip::MakeReader(
+			_media->videoThumbnailContent(),
+			std::move(callback))
+		: ::Media::Clip::MakeReader(
+			_media,
+			FullMsgId(),
+			std::move(callback));
+}
+
+bool VideoPreviewState::usingThumbnail() const {
+	return _usingThumbnail;
+}
+
+bool VideoPreviewState::loading() const {
+	return _usingThumbnail
+		? _media->owner()->videoThumbnailLoading()
+		: _media
+		? _media->owner()->loading()
+		: false;
+}
+
+bool VideoPreviewState::loaded() const {
+	return _usingThumbnail
+		? !_media->videoThumbnailContent().isEmpty()
+		: _media
+		? _media->loaded()
+		: false;
+}
+
 DocumentMedia::DocumentMedia(not_null<DocumentData*> owner)
 : _owner(owner) {
 }

Telegram/SourceFiles/data/data_document_media.h

@@ -11,8 +11,34 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 class FileLoader;
 
+namespace Media {
+namespace Clip {
+enum Notification : int;
+class ReaderPointer;
+} // namespace Clip
+} // namespace Media
+
 namespace Data {
 
+class DocumentMedia;
+
+class VideoPreviewState final {
+public:
+	explicit VideoPreviewState(DocumentMedia *media);
+
+	void automaticLoad(Data::FileOrigin origin) const;
+	[[nodiscard]] ::Media::Clip::ReaderPointer makeAnimation(
+		Fn<void(::Media::Clip::Notification)> callback) const;
+	[[nodiscard]] bool usingThumbnail() const;
+	[[nodiscard]] bool loading() const;
+	[[nodiscard]] bool loaded() const;
+
+private:
+	DocumentMedia *_media = nullptr;
+	bool _usingThumbnail = false;
+
+};
+
 class DocumentMedia final {
 public:
 	explicit DocumentMedia(not_null<DocumentData*> owner);

Telegram/SourceFiles/inline_bots/inline_bot_layout_internal.cpp

@@ -134,41 +134,28 @@ int Gif::resizeGetHeight(int width) {
 void Gif::paint(Painter &p, const QRect &clip, const PaintContext *context) const {
 	const auto document = getShownDocument();
 	const auto displayLoading = document->displayLoading();
-	const auto useVideoThumbnail = document->hasVideoThumbnail();
 	ensureDataMediaCreated(document);
-	if (!useVideoThumbnail) {
-		_dataMedia->automaticLoad(fileOrigin(), nullptr);
-	}
+	const auto preview = Data::VideoPreviewState(_dataMedia.get());
+	preview.automaticLoad(fileOrigin());
 
-	const auto loaded = useVideoThumbnail
-		? !_dataMedia->videoThumbnailContent().isEmpty()
-		: _dataMedia->loaded();
-	const auto loading = useVideoThumbnail
-		? document->videoThumbnailLoading()
-		: document->loading();
+	const auto loaded = preview.loaded();
+	const auto loading = preview.loading();
 	if (loaded
 		&& !_gif
 		&& !_gif.isBad()
 		&& CanPlayInline(document)) {
 		auto that = const_cast<Gif*>(this);
-		const auto callback = [=](Media::Clip::Notification notification) {
+		that->_gif = preview.makeAnimation([=](
+				Media::Clip::Notification notification) {
 			that->clipCallback(notification);
-		};
-		that->_gif = useVideoThumbnail
-			? Media::Clip::MakeReader(
-				_dataMedia->videoThumbnailContent(),
-				callback)
-			: Media::Clip::MakeReader(
-				_dataMedia.get(),
-				FullMsgId(),
-				callback);
+		});
 	}
 
 	const auto animating = (_gif && _gif->started());
 	if (displayLoading) {
 		ensureAnimation();
 		if (!_animation->radial.animating()) {
-			_animation->radial.start(_dataMedia->progress()); // #TODO video_thumbs
+			_animation->radial.start(_dataMedia->progress());
 		}
 	}
 	const auto radial = isRadialAnimation();
@@ -192,12 +179,15 @@ void Gif::paint(Painter &p, const QRect &clip, const PaintContext *context) cons
 			p.drawPixmap(r.topLeft(), _thumb);
 		}
 	}
-	if (useVideoThumbnail) {
-		AssertIsDebug();
+
+	AssertIsDebug();
+	if (preview.usingThumbnail()) {
 		p.fillRect(QRect(r.topLeft(), QSize(20, 20)), Qt::green);
 	}
 
-	if (radial || _gif.isBad() || (!_gif && !loaded && !loading)) {
+	if (radial
+		|| _gif.isBad()
+		|| (!_gif && !loaded && !loading && !preview.usingThumbnail())) {
 		auto radialOpacity = (radial && loaded) ? _animation->radial.opacity() : 1.;
 		if (_animation && _animation->_a_over.animating()) {
 			auto over = _animation->_a_over.value(1.);
@@ -269,10 +259,11 @@ void Gif::clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) {
 		bool wasactive = (_state & StateFlag::Over);
 		if (active != wasactive) {
 			ensureDataMediaCreated(getShownDocument());
-			if (!_dataMedia->loaded()) { // #TODO video_thumbs
+			const auto preview = Data::VideoPreviewState(_dataMedia.get());
+			if (!preview.usingThumbnail() && !preview.loaded()) {
 				ensureAnimation();
 				auto from = active ? 0. : 1., to = active ? 1. : 0.;
-				_animation->_a_over.start([this] { update(); }, from, to, st::stickersRowDuration);
+				_animation->_a_over.start([=] { update(); }, from, to, st::stickersRowDuration);
 			}
 			if (active) {
 				_state |= StateFlag::Over;
@@ -369,7 +360,8 @@ bool Gif::isRadialAnimation() const {
 			return true;
 		} else {
 			ensureDataMediaCreated(getShownDocument());
-			if (_dataMedia->loaded()) { // #TODO video_thumbs
+			const auto preview = Data::VideoPreviewState(_dataMedia.get());
+			if (preview.usingThumbnail() || preview.loaded()) {
 				_animation = nullptr;
 			}
 		}
@@ -382,7 +374,7 @@ void Gif::radialAnimationCallback(crl::time now) const {
 	ensureDataMediaCreated(document);
 	const auto updated = [&] {
 		return _animation->radial.update(
-			_dataMedia->progress(), // #TODO video_thumbs
+			_dataMedia->progress(),
 			!document->loading() || _dataMedia->loaded(),
 			now);
 	}();

Telegram/SourceFiles/inline_bots/inline_bot_result.cpp

@@ -275,14 +275,17 @@ bool Result::onChoose(Layout::ItemBase *layout) {
 		_type == Type::Gif)) {
 		if (_type == Type::Gif) {
 			const auto media = _document->activeMediaView();
-			if (!media || media->loaded()) {
+			const auto preview = Data::VideoPreviewState(media.get());
+			if (!media || preview.loaded()) {
 				return true;
-			} else if (_document->loading()) {
-				_document->cancel();
-			} else {
-				DocumentSaveClickHandler::Save(
-					Data::FileOriginSavedGifs(),
-					_document);
+			} else if (!preview.usingThumbnail()) {
+				if (preview.loading()) {
+					_document->cancel();
+				} else {
+					DocumentSaveClickHandler::Save(
+						Data::FileOriginSavedGifs(),
+						_document);
+				}
 			}
 			return false;
 		}

Telegram/SourceFiles/media/clip/media_clip_reader.h

@@ -40,13 +40,13 @@ struct FrameRequest {
 	RectParts corners = RectPart::AllCorners;
 };
 
-enum ReaderSteps {
+enum ReaderSteps : int {
 	WaitingForDimensionsStep = -3, // before ReaderPrivate read the first image and got the original frame size
 	WaitingForRequestStep = -2, // before Reader got the original frame size and prepared the frame request
 	WaitingForFirstFrameStep = -1, // before ReaderPrivate got the frame request and started waiting for the 1-2 delay
 };
 
-enum Notification {
+enum Notification : int {
 	NotificationReinit,
 	NotificationRepaint,
 };