Cache interactions in four cache keys.

Telegram/SourceFiles/chat_helpers/stickers_lottie.cpp

@@ -60,12 +60,11 @@ auto LottieFromDocument(
 		Method &&method,
 		not_null<Data::DocumentMedia*> media,
 		uint8 keyShift,
-		QSize box,
-		int cacheAreaLimit) {
+		QSize box) {
 	const auto document = media->owner();
 	const auto data = media->bytes();
 	const auto filepath = document->filepath();
-	if (box.width() * box.height() > cacheAreaLimit) {
+	if (box.width() * box.height() > kDontCacheLottieAfterArea) {
 		// Don't use frame caching for large stickers.
 		return method(
 			Lottie::ReadContent(data, filepath),
@@ -114,12 +113,9 @@ std::unique_ptr<Lottie::SinglePlayer> LottiePlayerFromDocument(
 			replacements,
 			std::move(renderer));
 	};
-	const auto limit = (sizeTag == StickerLottieSize::EmojiInteraction)
-		? (3 * kDontCacheLottieAfterArea)
-		: kDontCacheLottieAfterArea;
 	const auto tag = replacements ? replacements->tag : uint8(0);
 	const auto keyShift = ((tag << 4) & 0xF0) | (uint8(sizeTag) & 0x0F);
-	return LottieFromDocument(method, media, uint8(keyShift), box, limit);
+	return LottieFromDocument(method, media, uint8(keyShift), box);
 }
 
 not_null<Lottie::Animation*> LottieAnimationFromDocument(
@@ -130,8 +126,7 @@ not_null<Lottie::Animation*> LottieAnimationFromDocument(
 	const auto method = [&](auto &&...args) {
 		return player->append(std::forward<decltype(args)>(args)...);
 	};
-	const auto limit = kDontCacheLottieAfterArea;
-	return LottieFromDocument(method, media, uint8(sizeTag), box, limit);
+	return LottieFromDocument(method, media, uint8(sizeTag), box);
 }
 
 bool HasLottieThumbnail(

Telegram/SourceFiles/chat_helpers/stickers_lottie.h

@@ -45,6 +45,9 @@ enum class StickerLottieSize : uchar {
 	SetsListThumbnail,
 	InlineResults,
 	EmojiInteraction,
+	EmojiInteractionReserved1,
+	EmojiInteractionReserved2,
+	EmojiInteractionReserved3,
 };
 
 [[nodiscard]] std::unique_ptr<Lottie::SinglePlayer> LottiePlayerFromDocument(

Telegram/SourceFiles/history/view/history_view_emoji_interactions.cpp

@@ -25,7 +25,7 @@ namespace HistoryView {
 namespace {
 
 constexpr auto kSizeMultiplier = 3;
-
+constexpr auto kCachesCount = 4;
 constexpr auto kMaxPlays = 5;
 constexpr auto kMaxPlaysWithSmallDelay = 3;
 constexpr auto kSmallDelay = crl::time(200);
@@ -90,12 +90,9 @@ void EmojiInteractions::play(
 		|| _visibleTop == _visibleBottom) {
 		return;
 	}
-	auto lottie = ChatHelpers::LottiePlayerFromDocument(
-		media.get(),
-		nullptr,
-		ChatHelpers::StickerLottieSize::EmojiInteraction,
-		_emojiSize * kSizeMultiplier * style::DevicePixelRatio(),
-		Lottie::Quality::High);
+
+	auto lottie = preparePlayer(media.get());
+
 	const auto shift = GenerateRandomShift(_emojiSize);
 	lottie->updates(
 	) | rpl::start_with_next([=](Lottie::Update update) {
@@ -121,6 +118,43 @@ void EmojiInteractions::play(
 	}
 }
 
+std::unique_ptr<Lottie::SinglePlayer> EmojiInteractions::preparePlayer(
+		not_null<Data::DocumentMedia*> media) {
+	// Shortened copy from stickers_lottie module.
+	const auto document = media->owner();
+	const auto baseKey = document->bigFileBaseCacheKey();
+	const auto tag = uint8(0);
+	const auto keyShift = ((tag << 4) & 0xF0)
+		| (uint8(ChatHelpers::StickerLottieSize::EmojiInteraction) & 0x0F);
+	const auto key = Storage::Cache::Key{
+		baseKey.high,
+		baseKey.low + keyShift
+	};
+	const auto get = [=](int i, FnMut<void(QByteArray &&cached)> handler) {
+		document->owner().cacheBigFile().get(
+			{ key.high, key.low + i },
+			std::move(handler));
+	};
+	const auto weak = base::make_weak(&document->session());
+	const auto put = [=](int i, QByteArray &&cached) {
+		crl::on_main(weak, [=, data = std::move(cached)]() mutable {
+			weak->data().cacheBigFile().put(
+				{ key.high, key.low + i },
+				std::move(data));
+		});
+	};
+	const auto data = media->bytes();
+	const auto filepath = document->filepath();
+	return std::make_unique<Lottie::SinglePlayer>(
+		kCachesCount,
+		get,
+		put,
+		Lottie::ReadContent(data, filepath),
+		Lottie::FrameRequest{
+			_emojiSize * kSizeMultiplier * style::DevicePixelRatio() },
+			Lottie::Quality::High);
+}
+
 void EmojiInteractions::visibleAreaUpdated(
 		int visibleTop,
 		int visibleBottom) {

Telegram/SourceFiles/history/view/history_view_emoji_interactions.h

@@ -68,6 +68,9 @@ private:
 		bool incoming);
 	void checkDelayed();
 
+	[[nodiscard]] std::unique_ptr<Lottie::SinglePlayer> preparePlayer(
+		not_null<Data::DocumentMedia*> media);
+
 	const not_null<Main::Session*> _session;
 
 	int _visibleTop = 0;

Telegram/lib_lottie

@@ -1 +1 @@
-Subproject commit ddeb78f28a8b9e6ec4dbb1b79f317243b5f748d7
+Subproject commit 11003d490b8a89b5b62e4185ea34b79565b5da16