Added initial api support of stickerset attribute in web pages.

Telegram/SourceFiles/boxes/peers/edit_peer_color_box.cpp

@@ -312,6 +312,7 @@ PreviewWrap::PreviewWrap(
 	nullptr, // document
 	WebPageCollage(),
 	nullptr, // iv
+	nullptr, // stickerSet
 	0, // duration
 	QString(), // author
 	false, // hasLargeMedia

Telegram/SourceFiles/data/data_session.cpp

@@ -3377,6 +3377,7 @@ not_null<WebPageData*> Session::processWebpage(
 		nullptr,
 		WebPageCollage(),
 		nullptr,
+		nullptr,
 		0,
 		QString(),
 		false,
@@ -3402,6 +3403,7 @@ not_null<WebPageData*> Session::webpage(
 		nullptr,
 		WebPageCollage(),
 		nullptr,
+		nullptr,
 		0,
 		QString(),
 		false,
@@ -3420,6 +3422,7 @@ not_null<WebPageData*> Session::webpage(
 		DocumentData *document,
 		WebPageCollage &&collage,
 		std::unique_ptr<Iv::Data> iv,
+		std::unique_ptr<WebPageStickerSet> stickerSet,
 		int duration,
 		const QString &author,
 		bool hasLargeMedia,
@@ -3438,6 +3441,7 @@ not_null<WebPageData*> Session::webpage(
 		document,
 		std::move(collage),
 		std::move(iv),
+		std::move(stickerSet),
 		duration,
 		author,
 		hasLargeMedia,
@@ -3490,6 +3494,29 @@ void Session::webpageApplyFields(
 		}
 		return nullptr;
 	};
+	using WebPageStickerSetPtr = std::unique_ptr<WebPageStickerSet>;
+	const auto lookupStickerSet = [&]() -> WebPageStickerSetPtr {
+		if (const auto attributes = data.vattributes()) {
+			for (const auto &attribute : attributes->v) {
+				auto result = attribute.match([&](
+						const MTPDwebPageAttributeStickerSet &data) {
+					auto result = std::make_unique<WebPageStickerSet>();
+					result->isEmoji = data.is_emojis();
+					result->isTextColor = data.is_text_color();
+					for (const auto &tl : data.vstickers().v) {
+						result->items.push_back(processDocument(tl));
+					}
+					return result;
+				}, [](const auto &) {
+					return WebPageStickerSetPtr(nullptr);
+				});
+				if (!result->items.empty()) {
+					return result;
+				}
+			}
+		}
+		return nullptr;
+	};
 	auto story = (Data::Story*)nullptr;
 	auto storyId = FullStoryId();
 	if (const auto attributes = data.vattributes()) {
@@ -3581,6 +3608,7 @@ void Session::webpageApplyFields(
 			: lookupThemeDocument()),
 		WebPageCollage(this, data),
 		std::move(iv),
+		lookupStickerSet(),
 		data.vduration().value_or_empty(),
 		qs(data.vauthor().value_or_empty()),
 		data.is_has_large_media(),
@@ -3600,6 +3628,7 @@ void Session::webpageApplyFields(
 		DocumentData *document,
 		WebPageCollage &&collage,
 		std::unique_ptr<Iv::Data> iv,
+		std::unique_ptr<WebPageStickerSet> stickerSet,
 		int duration,
 		const QString &author,
 		bool hasLargeMedia,
@@ -3617,6 +3646,7 @@ void Session::webpageApplyFields(
 		document,
 		std::move(collage),
 		std::move(iv),
+		std::move(stickerSet),
 		duration,
 		author,
 		hasLargeMedia,

Telegram/SourceFiles/data/data_session.h

@@ -17,6 +17,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 class Image;
 class HistoryItem;
 struct WebPageCollage;
+struct WebPageStickerSet;
 enum class WebPageType : uint8;
 enum class NewMessageType;
 
@@ -579,6 +580,7 @@ public:
 		DocumentData *document,
 		WebPageCollage &&collage,
 		std::unique_ptr<Iv::Data> iv,
+		std::unique_ptr<WebPageStickerSet> stickerSet,
 		int duration,
 		const QString &author,
 		bool hasLargeMedia,
@@ -857,6 +859,7 @@ private:
 		DocumentData *document,
 		WebPageCollage &&collage,
 		std::unique_ptr<Iv::Data> iv,
+		std::unique_ptr<WebPageStickerSet> stickerSet,
 		int duration,
 		const QString &author,
 		bool hasLargeMedia,

Telegram/SourceFiles/data/data_web_page.cpp

@@ -166,6 +166,8 @@ WebPageType ParseWebPageType(
 		return WebPageType::ChannelBoost;
 	} else if (type == u"telegram_giftcode"_q) {
 		return WebPageType::Giftcode;
+	} else if (type == u"telegram_stickerset"_q) {
+		return WebPageType::StickerSet;
 	} else if (hasIV) {
 		return WebPageType::ArticleWithIV;
 	} else {
@@ -219,6 +221,7 @@ bool WebPageData::applyChanges(
 		DocumentData *newDocument,
 		WebPageCollage &&newCollage,
 		std::unique_ptr<Iv::Data> newIv,
+		std::unique_ptr<WebPageStickerSet> newStickerSet,
 		int newDuration,
 		const QString &newAuthor,
 		bool newHasLargeMedia,
@@ -272,6 +275,7 @@ bool WebPageData::applyChanges(
 		&& collage.items == newCollage.items
 		&& (!iv == !newIv)
 		&& (!iv || iv->partial() == newIv->partial())
+		&& (!stickerSet == !newStickerSet)
 		&& duration == newDuration
 		&& author == resultAuthor
 		&& hasLargeMedia == (newHasLargeMedia ? 1 : 0)
@@ -293,6 +297,7 @@ bool WebPageData::applyChanges(
 	document = newDocument;
 	collage = std::move(newCollage);
 	iv = std::move(newIv);
+	stickerSet = std::move(newStickerSet);
 	duration = newDuration;
 	author = resultAuthor;
 	pendingTill = newPendingTill;

Telegram/SourceFiles/data/data_web_page.h

@@ -46,6 +46,7 @@ enum class WebPageType : uint8 {
 	WallPaper,
 	Theme,
 	Story,
+	StickerSet,
 
 	Article,
 	ArticleWithIV,
@@ -68,6 +69,15 @@ struct WebPageCollage {
 
 };
 
+struct WebPageStickerSet {
+	WebPageStickerSet() = default;
+
+	std::vector<not_null<DocumentData*>> items;
+	bool isEmoji = false;
+	bool isTextColor = false;
+
+};
+
 struct WebPageData {
 	WebPageData(not_null<Data::Session*> owner, const WebPageId &id);
 	~WebPageData();
@@ -87,6 +97,7 @@ struct WebPageData {
 		DocumentData *newDocument,
 		WebPageCollage &&newCollage,
 		std::unique_ptr<Iv::Data> newIv,
+		std::unique_ptr<WebPageStickerSet> newStickerSet,
 		int newDuration,
 		const QString &newAuthor,
 		bool newHasLargeMedia,
@@ -114,6 +125,7 @@ struct WebPageData {
 	DocumentData *document = nullptr;
 	WebPageCollage collage;
 	std::unique_ptr<Iv::Data> iv;
+	std::unique_ptr<WebPageStickerSet> stickerSet;
 	int duration = 0;
 	TimeId pendingTill = 0;
 	uint32 version : 30 = 0;

Telegram/SourceFiles/history/history_item.cpp

@@ -657,6 +657,7 @@ HistoryItem::HistoryItem(
 		nullptr,
 		WebPageCollage(),
 		nullptr,
+		nullptr,
 		0,
 		QString(),
 		false,