Parse video cover photos.

Telegram/SourceFiles/data/data_media_types.cpp

@@ -553,6 +553,10 @@ DocumentData *Media::document() const {
 	return nullptr;
 }
 
+PhotoData *Media::videoCover() const {
+	return nullptr;
+}
+
 bool Media::hasQualitiesList() const {
 	return false;
 }
@@ -969,12 +973,14 @@ std::unique_ptr<HistoryView::Media> MediaPhoto::createView(
 MediaFile::MediaFile(
 	not_null<HistoryItem*> parent,
 	not_null<DocumentData*> document,
+	PhotoData *videoCover,
 	bool skipPremiumEffect,
 	bool hasQualitiesList,
 	bool spoiler,
 	crl::time ttlSeconds)
 : Media(parent)
 , _document(document)
+, _videoCover(videoCover)
 , _emoji(document->sticker() ? document->sticker()->alt : QString())
 , _skipPremiumEffect(skipPremiumEffect)
 , _hasQualitiesList(hasQualitiesList)
@@ -1006,6 +1012,7 @@ std::unique_ptr<Media> MediaFile::clone(not_null<HistoryItem*> parent) {
 	return std::make_unique<MediaFile>(
 		parent,
 		_document,
+		_videoCover,
 		!_document->session().premium(),
 		_hasQualitiesList,
 		_spoiler,
@@ -1016,6 +1023,10 @@ DocumentData *MediaFile::document() const {
 	return _document;
 }
 
+PhotoData *MediaFile::videoCover() const {
+	return _videoCover;
+}
+
 bool MediaFile::hasQualitiesList() const {
 	return _hasQualitiesList;
 }

Telegram/SourceFiles/data/data_media_types.h

@@ -179,6 +179,7 @@ public:
 	virtual std::unique_ptr<Media> clone(not_null<HistoryItem*> parent) = 0;
 
 	virtual DocumentData *document() const;
+	virtual PhotoData *videoCover() const;
 	virtual bool hasQualitiesList() const;
 	virtual PhotoData *photo() const;
 	virtual WebPageData *webpage() const;
@@ -301,6 +302,7 @@ public:
 	MediaFile(
 		not_null<HistoryItem*> parent,
 		not_null<DocumentData*> document,
+		PhotoData *videoCover,
 		bool skipPremiumEffect,
 		bool hasQualitiesList,
 		bool spoiler,
@@ -310,6 +312,7 @@ public:
 	std::unique_ptr<Media> clone(not_null<HistoryItem*> parent) override;
 
 	DocumentData *document() const override;
+	PhotoData *videoCover() const override;
 	bool hasQualitiesList() const override;
 
 	bool uploading() const override;
@@ -339,6 +342,7 @@ public:
 
 private:
 	not_null<DocumentData*> _document;
+	PhotoData *_videoCover = nullptr;
 	QString _emoji;
 	bool _skipPremiumEffect = false;
 	bool _hasQualitiesList = false;

Telegram/SourceFiles/history/history_item.cpp

@@ -303,9 +303,13 @@ std::unique_ptr<Data::Media> HistoryItem::CreateMedia(
 		}
 		return document->match([&](const MTPDdocument &document) -> Result {
 			const auto list = media.valt_documents();
+			const auto owner = &item->history()->owner();
 			return std::make_unique<Data::MediaFile>(
 				item,
-				item->history()->owner().processDocument(document, list),
+				owner->processDocument(document, list),
+				(media.vvideo_cover()
+					? owner->processPhoto(*media.vvideo_cover()).get()
+					: nullptr),
 				media.is_nopremium(),
 				list && !list->v.isEmpty(),
 				media.is_spoiler(),
@@ -659,6 +663,7 @@ HistoryItem::HistoryItem(
 	_media = std::make_unique<Data::MediaFile>(
 		this,
 		document,
+		/*videoCover=*/nullptr,
 		skipPremiumEffect,
 		video && !video->qualities.empty(),
 		spoiler,
@@ -1855,6 +1860,7 @@ void HistoryItem::setStoryFields(not_null<Data::Story*> story) {
 		_media = std::make_unique<Data::MediaFile>(
 			this,
 			document,
+			/*videoCover=*/nullptr,
 			/*skipPremiumEffect=*/false,
 			/*hasQualitiesList=*/false,
 			spoiler,

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

@@ -150,7 +150,8 @@ Gif::Gif(
 	? std::make_unique<MediaSpoiler>()
 	: nullptr)
 , _downloadSize(Ui::FormatSizeText(_data->size))
-, _sensitiveSpoiler(realParent->isMediaSensitive()) {
+, _sensitiveSpoiler(realParent->isMediaSensitive())
+, _hasVideoCover(realParent->media() && realParent->media()->videoCover()) {
 	if (_data->isVideoMessage() && _parent->data()->media()->ttlSeconds()) {
 		if (_spoiler) {
 			_drawTtl = CreateTtlPaintCallback([=] { repaint(); });
@@ -395,6 +396,8 @@ bool Gif::downloadInCorner() const {
 bool Gif::autoplayEnabled() const {
 	if (_realParent->isSponsored()) {
 		return true;
+	} else if (_hasVideoCover) {
+		return false;
 	}
 	return Data::AutoDownload::ShouldAutoPlay(
 		_data->session().settings().autoDownload(),

Telegram/SourceFiles/history/view/media/history_view_gif.h

@@ -224,6 +224,7 @@ private:
 	mutable bool _pollingStory : 1 = false;
 	mutable bool _purchasedPriceTag : 1 = false;
 	const bool _sensitiveSpoiler : 1 = false;
+	const bool _hasVideoCover : 1 = false;
 
 };
 

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

@@ -81,6 +81,7 @@ constexpr auto kSponsoredUserpicLines = 2;
 			result.push_back(std::make_unique<Data::MediaFile>(
 				parent,
 				*document,
+				/*videoCover=*/nullptr,
 				skipPremiumEffect,
 				hasQualitiesList,
 				spoiler,

Telegram/SourceFiles/settings/settings_credits_graphics.cpp

@@ -313,6 +313,7 @@ void AddViewMediaHandler(
 			fake.push_back(std::make_unique<Data::MediaFile>(
 				state->item,
 				owner->document(item.id),
+				nullptr, // videoCover
 				true, // skipPremiumEffect
 				false, // hasQualitiesList
 				false, // spoiler