Slightly improved mini stars for button in history view premium gifts.

Telegram/SourceFiles/history/view/history_view_about_view.cpp

@@ -11,6 +11,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "api/api_sending.h"
 #include "apiwrap.h"
 #include "base/random.h"
+#include "ui/effects/premium_stars.h"
 #include "boxes/premium_preview_box.h"
 #include "chat_helpers/stickers_lottie.h"
 #include "core/click_handler_types.h"
@@ -75,7 +76,7 @@ public:
 	TextWithEntities subtitle() override;
 	int buttonSkip() override;
 	rpl::producer<QString> button() override;
-	bool buttonMinistars() override;
+	std::optional<Ui::Premium::MiniStarsType> buttonMinistars() override;
 	void draw(
 		Painter &p,
 		const PaintContext &context,
@@ -432,8 +433,9 @@ rpl::producer<QString> EmptyChatLockedBox::button() {
 		: tr::lng_send_charges_stars_go();
 }
 
-bool EmptyChatLockedBox::buttonMinistars() {
-	return true;
+auto EmptyChatLockedBox::buttonMinistars()
+-> std::optional<Ui::Premium::MiniStarsType> {
+	return Ui::Premium::MiniStarsType::SlowStars;
 }
 
 TextWithEntities EmptyChatLockedBox::subtitle() {

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

@@ -246,8 +246,10 @@ rpl::producer<QString> PremiumGift::button() {
 		: tr::lng_prize_open();
 }
 
-bool PremiumGift::buttonMinistars() {
-	return true;
+std::optional<Ui::Premium::MiniStarsType> PremiumGift::buttonMinistars() {
+	return tonGift()
+		? Ui::Premium::MiniStarsType::SlowDiamondStars
+		: Ui::Premium::MiniStarsType::SlowStars;
 }
 
 ClickHandlerPtr PremiumGift::createViewLink() {

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

@@ -31,7 +31,7 @@ public:
 	TextWithEntities title() override;
 	TextWithEntities subtitle() override;
 	rpl::producer<QString> button() override;
-	bool buttonMinistars() override;
+	std::optional<Ui::Premium::MiniStarsType> buttonMinistars() override;
 	QImage cornerTag(const PaintContext &context) override;
 	int buttonSkip() override;
 	void draw(

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

@@ -104,10 +104,10 @@ ServiceBox::ServiceBox(
 			}
 		}, _lifetime);
 	}
-	if (_content->buttonMinistars()) {
+	if (const auto type = _content->buttonMinistars()) {
 		_button.stars = std::make_unique<Ui::Premium::ColoredMiniStars>(
 			[=](const QRect &) { repaint(); },
-			Ui::Premium::MiniStarsType::SlowStars);
+			*type);
 		_button.lastFg = std::make_unique<QColor>();
 	}
 }

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

@@ -15,6 +15,7 @@ class RippleAnimation;
 
 namespace Ui::Premium {
 class ColoredMiniStars;
+enum class MiniStarsType;
 } // namespace Ui::Premium
 
 namespace HistoryView {
@@ -32,8 +33,9 @@ public:
 		return top();
 	}
 	[[nodiscard]] virtual rpl::producer<QString> button() = 0;
-	[[nodiscard]] virtual bool buttonMinistars() {
-		return false;
+	[[nodiscard]] virtual auto buttonMinistars()
+	-> std::optional<Ui::Premium::MiniStarsType> {
+		return std::nullopt;
 	}
 	[[nodiscard]] virtual QImage cornerTag(const PaintContext &context) {
 		return {};

Telegram/SourceFiles/ui/effects/premium_stars.cpp

@@ -25,28 +25,31 @@ MiniStars::MiniStars(
 	Fn<void(const QRect &r)> updateCallback,
 	bool opaque,
 	Type type)
-: _availableAngles((type != Type::SlowStars)
-? std::vector<Interval>{
-	Interval{ -10, 40 },
-	Interval{ 180 + 10 - 40, 40 },
-	Interval{ 180 + 15, 50 },
-	Interval{ -15 - 50, 50 },
-}
-: std::vector<Interval>{ Interval{ -90, 180 }, Interval{ 90, 180 } })
-, _lifeLength((type != Type::SlowStars)
+: _availableAngles((type != Type::SlowStars && type != Type::SlowDiamondStars)
+	? std::vector<Interval>{
+		Interval{ -10, 40 },
+		Interval{ 180 + 10 - 40, 40 },
+		Interval{ 180 + 15, 50 },
+		Interval{ -15 - 50, 50 },
+	}
+	: std::vector<Interval>{ Interval{ -90, 180 }, Interval{ 90, 180 } })
+, _lifeLength((type != Type::SlowStars && type != Type::SlowDiamondStars)
 	? Interval{ 150 / 5, 200 / 5 }
 	: Interval{ 150 * 2, 200 * 2 })
-, _deathTime((type != Type::SlowStars)
+, _deathTime((type != Type::SlowStars && type != Type::SlowDiamondStars)
 	? Interval{ 1500, 2000 }
 	: Interval{ 1500 * 2, 2000 * 2 })
 , _size({ 5, 10 })
 , _alpha({ opaque ? 100 : 40, opaque ? 100 : 60 })
 , _sinFactor({ 10, 190 })
 , _spritesCount({ 0, ((type == Type::MonoStars) ? 1 : 2) })
-, _appearProgressTill((type != Type::SlowStars) ? 0.2 : 0.01)
+, _appearProgressTill((type != Type::SlowStars
+		&& type != Type::SlowDiamondStars)
+	? 0.2
+	: 0.01)
 , _disappearProgressAfter(0.8)
 , _distanceProgressStart(0.5)
-, _sprite((type == Type::DiamondStars)
+, _sprite((type == Type::DiamondStars || type == Type::SlowDiamondStars)
 	? u":/gui/icons/settings/starmini.svg"_q
 	: u":/gui/icons/settings/star.svg"_q)
 , _animation([=](crl::time now) {

Telegram/SourceFiles/ui/effects/premium_stars.h

@@ -19,6 +19,7 @@ enum class MiniStarsType {
 	BiStars,
 	SlowStars,
 	DiamondStars,
+	SlowDiamondStars,
 };
 
 class MiniStars final {