Added animation to toggle silent broadcast button.

Telegram/SourceFiles/ui/chat/chat.style

@@ -418,8 +418,14 @@ historySilentToggle: IconButton(historyBotKeyboardShow) {
 	icon: icon {{ "send_control_silent_off", historyComposeIconFg }};
 	iconOver: icon {{ "send_control_silent_off", historyComposeIconFgOver }};
 }
-historySilentToggleOn: icon {{ "send_control_silent_on", historyComposeIconFg }};
+
-historySilentToggleOnOver: icon {{ "send_control_silent_on", historyComposeIconFgOver }};
+historySilentToggleCrossLine: CrossLineAnimation {
+	fg: historyComposeIconFg;
+	icon: icon {{ "send_control_silent_off", historyComposeIconFg }};
+	startPosition: point(5px, 3px);
+	endPosition: point(21px, 18px);
+	stroke: 2px;
+}
 
 historyReplySkip: 51px;
 historyReplyNameFg: windowActiveTextFg;

Telegram/SourceFiles/ui/special_buttons.cpp

@@ -43,6 +43,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Ui {
 namespace {
 
+constexpr auto kAnimationDuration = crl::time(120);
+
 QString CropTitle(not_null<PeerData*> peer) {
 	if (peer->isChat() || peer->isMegagroup()) {
 		return tr::lng_create_group_crop(tr::now);
@@ -858,19 +860,43 @@ void UserpicButton::prepareUserpicPixmap() {
 //}
 
 SilentToggle::SilentToggle(QWidget *parent, not_null<ChannelData*> channel)
-: IconButton(parent, st::historySilentToggle)
+: RippleButton(parent, st::historySilentToggle.ripple)
+, _st(st::historySilentToggle)
+, _colorOver(st::historyComposeIconFgOver->c)
 , _channel(channel)
-, _checked(channel->owner().notifySilentPosts(_channel)) {
+, _checked(channel->owner().notifySilentPosts(_channel))
+, _crossLine(st::historySilentToggleCrossLine) {
 	Expects(!channel->owner().notifySilentPostsUnknown(_channel));
 
-	if (_checked) {
+	resize(_st.width, _st.height);
-		refreshIconOverrides();
+
-	}
+	style::PaletteChanged(
+	) | rpl::start_with_next([=] {
+		_crossLine.invalidate();
+	}, lifetime());
+
+	paintRequest(
+	) | rpl::start_with_next([=](const QRect &clip) {
+		Painter p(this);
+		paintRipple(p, _st.rippleAreaPosition, nullptr);
+
+		_crossLine.paint(
+			p,
+			(width() - _st.icon.width()) / 2,
+			(height() - _st.icon.height()) / 2,
+			_crossLineAnimation.value(_checked ? 1. : 0.),
+			// Since buttons of the compose controls have no duration
+			// for the over animation, we can skip this animation here.
+			isOver()
+				? std::make_optional<QColor>(_colorOver)
+				: std::nullopt);
+	}, lifetime());
+
 	setMouseTracking(true);
 }
 
 void SilentToggle::mouseMoveEvent(QMouseEvent *e) {
-	IconButton::mouseMoveEvent(e);
+	RippleButton::mouseMoveEvent(e);
 	if (rect().contains(e->pos())) {
 		Ui::Tooltip::Show(1000, this);
 	} else {
@@ -881,28 +907,22 @@ void SilentToggle::mouseMoveEvent(QMouseEvent *e) {
 void SilentToggle::setChecked(bool checked) {
 	if (_checked != checked) {
 		_checked = checked;
-		refreshIconOverrides();
+		_crossLineAnimation.start(
+			[=] { update(); },
+			_checked ? 0. : 1.,
+			_checked ? 1. : 0.,
+			kAnimationDuration);
 	}
 }
 
-void SilentToggle::refreshIconOverrides() {
-	const auto iconOverride = _checked
-		? &st::historySilentToggleOn
-		: nullptr;
-	const auto iconOverOverride = _checked
-		? &st::historySilentToggleOnOver
-		: nullptr;
-	setIconOverride(iconOverride, iconOverOverride);
-}
-
 void SilentToggle::leaveEventHook(QEvent *e) {
-	IconButton::leaveEventHook(e);
+	RippleButton::leaveEventHook(e);
 	Ui::Tooltip::Hide();
 }
 
 void SilentToggle::mouseReleaseEvent(QMouseEvent *e) {
 	setChecked(!_checked);
-	IconButton::mouseReleaseEvent(e);
+	RippleButton::mouseReleaseEvent(e);
 	Ui::Tooltip::Show(0, this);
 	_channel->owner().updateNotifySettings(
 		_channel,
@@ -924,4 +944,18 @@ bool SilentToggle::tooltipWindowActive() const {
 	return Ui::AppInFocus() && InFocusChain(window());
 }
 
+QPoint SilentToggle::prepareRippleStartPosition() const {
+	const auto result = mapFromGlobal(QCursor::pos())
+		- _st.rippleAreaPosition;
+	const auto rect = QRect(0, 0, _st.rippleAreaSize, _st.rippleAreaSize);
+	return rect.contains(result)
+		? result
+		: DisabledRippleStartPosition();
+}
+
+QImage SilentToggle::prepareRippleMask() const {
+	return RippleAnimation::ellipseMask(
+		QSize(_st.rippleAreaSize, _st.rippleAreaSize));
+}
+
 } // namespace Ui

Telegram/SourceFiles/ui/special_buttons.h

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/tooltip.h"
 #include "ui/effects/animations.h"
+#include "ui/effects/cross_line.h"
 #include "styles/style_window.h"
 #include "styles/style_widgets.h"
 
@@ -183,7 +184,7 @@ private:
 //};
 
 class SilentToggle
-	: public Ui::IconButton
+	: public Ui::RippleButton
 	, public Ui::AbstractTooltipShower {
 public:
 	SilentToggle(QWidget *parent, not_null<ChannelData*> channel);
@@ -203,12 +204,19 @@ protected:
 	void mouseReleaseEvent(QMouseEvent *e) override;
 	void leaveEventHook(QEvent *e) override;
 
+	QImage prepareRippleMask() const override;
+	QPoint prepareRippleStartPosition() const override;
+
 private:
-	void refreshIconOverrides();
+	const style::IconButton &_st;
+	const QColor &_colorOver;
 
 	not_null<ChannelData*> _channel;
 	bool _checked = false;
 
+	Ui::CrossLineAnimation _crossLine;
+	Ui::Animations::Simple _crossLineAnimation;
+
 };
 
 } // namespace Ui