From ee969568acec6b5de416276ecee7c0907780ed49 Mon Sep 17 00:00:00 2001
From: 23rd <23rd@vivaldi.net>
Date: Mon, 30 Nov 2020 06:08:03 +0300
Subject: [PATCH] Added transforming blob to circle in mute button for
 connecting state.

---
 ui/widgets/call_mute_button.cpp | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

diff --git a/ui/widgets/call_mute_button.cpp b/ui/widgets/call_mute_button.cpp
index 3801b75..f896f70 100644
--- a/ui/widgets/call_mute_button.cpp
+++ b/ui/widgets/call_mute_button.cpp
@@ -33,6 +33,9 @@ constexpr auto kScaleSmallMax = kScaleSmallMin + kScaleSmall;
 
 constexpr auto kMainRadiusFactor = 50. / 57.;
 
+constexpr auto kMainMinRadius = 57. * kMainRadiusFactor;
+constexpr auto kMainMaxRadius = 63. * kMainRadiusFactor;
+
 constexpr auto kSwitchStateDuration = 120;
 
 constexpr auto MuteBlobs() -> std::array<Paint::Blobs::BlobData, 3> {
@@ -40,8 +43,8 @@ constexpr auto MuteBlobs() -> std::array<Paint::Blobs::BlobData, 3> {
 		{
 			.segmentsCount = 6,
 			.minScale = 1.,
-			.minRadius = 57. * kMainRadiusFactor,
-			.maxRadius = 63. * kMainRadiusFactor,
+			.minRadius = kMainMinRadius,
+			.maxRadius = kMainMaxRadius,
 			.speedScale = .4,
 			.alpha = 1.,
 		},
@@ -105,6 +108,7 @@ public:
 
 	void setLevel(float level);
 	void setBrush(QBrush brush);
+	void setMainRadius(rpl::producer<float> &&radius);
 
 private:
 	void init();
@@ -178,6 +182,10 @@ void BlobsWidget::setLevel(float level) {
 	_blobs.setLevel(level);
 }
 
+void BlobsWidget::setMainRadius(rpl::producer<float> &&radius) {
+	_blobs.setRadiusAt(std::move(radius), 0, true);
+}
+
 CallMuteButton::CallMuteButton(
 	not_null<RpWidget*> parent,
 	CallMuteButtonState initial)
@@ -276,6 +284,17 @@ void CallMuteButton::init() {
 			icon.height());
 	}, lifetime());
 
+	// Main blob radius.
+	{
+		auto radius = _state.value(
+		) | rpl::map([](const CallMuteButtonState &state) -> float {
+			return IsConnecting(state.type)
+				? kMainMinRadius
+				: kMainMaxRadius;
+		}) | rpl::distinct_until_changed();
+		_blobs->setMainRadius(std::move(radius));
+	}
+
 	// Paint.
 	auto filterCallback = [=](not_null<QEvent*> e) {
 		if (e->type() != QEvent::Paint) {