diff --git a/Telegram/SourceFiles/history/media/history_media_gif.cpp b/Telegram/SourceFiles/history/media/history_media_gif.cpp
index c56a406b3..7f28b9055 100644
--- a/Telegram/SourceFiles/history/media/history_media_gif.cpp
+++ b/Telegram/SourceFiles/history/media/history_media_gif.cpp
@@ -319,7 +319,7 @@ void HistoryGif::draw(Painter &p, const QRect &r, TextSelection selection, crl::
 		p.drawPixmap(rthumb.topLeft(), reader->current(_thumbw, _thumbh, usew, painth, roundRadius, roundCorners, paused ? 0 : ms));
 
 		if (const auto playback = videoPlayback()) {
-			const auto value = playback->value(ms);
+			const auto value = playback->value();
 			if (value > 0.) {
 				auto pen = st::historyVideoMessageProgressFg->p;
 				auto was = p.pen();
diff --git a/Telegram/SourceFiles/media/player/media_player_float.cpp b/Telegram/SourceFiles/media/player/media_player_float.cpp
index 8b0d57bec..23d62dd7f 100644
--- a/Telegram/SourceFiles/media/player/media_player_float.cpp
+++ b/Telegram/SourceFiles/media/player/media_player_float.cpp
@@ -174,7 +174,7 @@ void Float::paintEvent(QPaintEvent *e) {
 	p.drawImage(inner.topLeft(), _frame);
 
 	const auto playback = getPlayback();
-	const auto progress = playback ? playback->value(crl::now()) : 1.;
+	const auto progress = playback ? playback->value() : 1.;
 	if (progress > 0.) {
 		auto pen = st::historyVideoMessageProgressFg->p;
 		auto was = p.pen();
diff --git a/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp b/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
index 4ac92abf6..bf55844a2 100644
--- a/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
+++ b/Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp
@@ -185,7 +185,7 @@ OverlayWidget::OverlayWidget()
 , _docCancel(this, lang(lng_cancel), st::mediaviewFileLink)
 , _radial(animation(this, &OverlayWidget::step_radial))
 , _lastAction(-st::mediaviewDeltaFromLastAction, -st::mediaviewDeltaFromLastAction)
-, _a_state(animation(this, &OverlayWidget::step_state))
+, _a_state([=](float64 now) { step_state(now); })
 , _dropdown(this, st::mediaviewDropdownMenu)
 , _dropdownShowTimer(this) {
 	subscribe(Lang::Current().updated(), [this] { refreshLang(); });
@@ -605,9 +605,9 @@ auto OverlayWidget::computeOverviewType() const
 	return std::nullopt;
 }
 
-void OverlayWidget::step_state(crl::time ms, bool timer) {
+void OverlayWidget::step_state(crl::time now) {
 	if (anim::Disabled()) {
-		ms += st::mediaviewShowDuration + st::mediaviewHideDuration;
+		now += st::mediaviewShowDuration + st::mediaviewHideDuration;
 	}
 	bool result = false;
 	for (auto i = _animations.begin(); i != _animations.end();) {
@@ -624,7 +624,7 @@ void OverlayWidget::step_state(crl::time ms, bool timer) {
 		case OverMore: update(_moreNav); break;
 		default: break;
 		}
-		float64 dt = float64(ms - start) / st::mediaviewFadeDuration;
+		const auto dt = float64(now - start) / st::mediaviewFadeDuration;
 		if (dt >= 1) {
 			_animOpacities.remove(i.key());
 			i = _animations.erase(i);
@@ -634,7 +634,7 @@ void OverlayWidget::step_state(crl::time ms, bool timer) {
 		}
 	}
 	if (_controlsState == ControlsShowing || _controlsState == ControlsHiding) {
-		float64 dt = float64(ms - _controlsAnimStarted) / (_controlsState == ControlsShowing ? st::mediaviewShowDuration : st::mediaviewHideDuration);
+		float64 dt = float64(now - _controlsAnimStarted) / (_controlsState == ControlsShowing ? st::mediaviewShowDuration : st::mediaviewHideDuration);
 		if (dt >= 1) {
 			a_cOpacity.finish();
 			_controlsState = (_controlsState == ControlsShowing ? ControlsShown : ControlsHidden);
diff --git a/Telegram/SourceFiles/media/view/media_view_overlay_widget.h b/Telegram/SourceFiles/media/view/media_view_overlay_widget.h
index 32773305e..1cd62baab 100644
--- a/Telegram/SourceFiles/media/view/media_view_overlay_widget.h
+++ b/Telegram/SourceFiles/media/view/media_view_overlay_widget.h
@@ -9,6 +9,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "ui/rp_widget.h"
 #include "ui/widgets/dropdown_menu.h"
+#include "ui/effects/animations.h"
 #include "ui/effects/radial_animation.h"
 #include "data/data_shared_media.h"
 #include "data/data_user_photos.h"
@@ -263,7 +264,7 @@ private:
 	void updateHeader();
 	void snapXY();
 
-	void step_state(crl::time ms, bool timer);
+	void step_state(crl::time ms);
 	void step_radial(crl::time ms, bool timer);
 	void step_waiting(crl::time ms, bool timer);
 
@@ -385,7 +386,7 @@ private:
 	QPoint _lastAction, _lastMouseMovePos;
 	bool _ignoringDropdown = false;
 
-	BasicAnimation _a_state;
+	Ui::Animations::Basic _a_state;
 
 	enum ControlsState {
 		ControlsShowing,
diff --git a/Telegram/SourceFiles/media/view/media_view_playback_progress.cpp b/Telegram/SourceFiles/media/view/media_view_playback_progress.cpp
index 66c8836bc..ad8aeceff 100644
--- a/Telegram/SourceFiles/media/view/media_view_playback_progress.cpp
+++ b/Telegram/SourceFiles/media/view/media_view_playback_progress.cpp
@@ -19,8 +19,8 @@ constexpr auto kPlaybackAnimationDurationMs = crl::time(200);
 } // namespace
 
 PlaybackProgress::PlaybackProgress()
-: _a_value(animation(this, &PlaybackProgress::step_value))
-, _a_receivedTill(animation(this, &PlaybackProgress::step_receivedTill)) {
+: _a_value([=](float64 ms) { step_value(ms); })
+, _a_receivedTill([=](float64 ms) { step_receivedTill(ms); }) {
 }
 
 void PlaybackProgress::updateState(const Player::TrackState &state) {
@@ -83,11 +83,6 @@ float64 PlaybackProgress::value() const {
 	return qMin(a_value.current(), 1.);
 }
 
-float64 PlaybackProgress::value(crl::time ms) {
-	_a_value.step(ms);
-	return value();
-}
-
 void PlaybackProgress::setValue(float64 value, bool animated) {
 	if (animated) {
 		a_value.start(value);
@@ -114,30 +109,32 @@ void PlaybackProgress::setReceivedTill(float64 value) {
 	emitUpdatedValue();
 }
 
-void PlaybackProgress::step_value(float64 ms, bool timer) {
-	auto dt = anim::Disabled() ? 1. : (ms / kPlaybackAnimationDurationMs);
+void PlaybackProgress::step_value(float64 now) {
+	const auto time = (now - _a_value.started());
+	const auto dt = anim::Disabled()
+		? 1.
+		: (time / kPlaybackAnimationDurationMs);
 	if (dt >= 1.) {
 		_a_value.stop();
 		a_value.finish();
 	} else {
 		a_value.update(dt, anim::linear);
 	}
-	if (timer) {
-		emitUpdatedValue();
-	}
+	emitUpdatedValue();
 }
 
-void PlaybackProgress::step_receivedTill(float64 ms, bool timer) {
-	auto dt = anim::Disabled() ? 1. : (ms / kPlaybackAnimationDurationMs);
+void PlaybackProgress::step_receivedTill(float64 now) {
+	const auto time = now - _a_receivedTill.started();
+	const auto dt = anim::Disabled()
+		? 1.
+		: (time / kPlaybackAnimationDurationMs);
 	if (dt >= 1.) {
 		_a_receivedTill.stop();
 		a_receivedTill.finish();
 	} else {
 		a_receivedTill.update(dt, anim::linear);
 	}
-	if (timer) {
-		emitUpdatedValue();
-	}
+	emitUpdatedValue();
 }
 
 void PlaybackProgress::emitUpdatedValue() {
diff --git a/Telegram/SourceFiles/media/view/media_view_playback_progress.h b/Telegram/SourceFiles/media/view/media_view_playback_progress.h
index 6692797ac..b5c1963a9 100644
--- a/Telegram/SourceFiles/media/view/media_view_playback_progress.h
+++ b/Telegram/SourceFiles/media/view/media_view_playback_progress.h
@@ -28,22 +28,21 @@ public:
 	}
 	void setValue(float64 value, bool animated);
 	float64 value() const;
-	float64 value(crl::time ms);
 
 	void updateState(const Player::TrackState &state);
 	void updateLoadingState(float64 progress);
 
 private:
-	void step_value(float64 ms, bool timer);
-	void step_receivedTill(float64 ms, bool timer);
+	void step_value(float64 now);
+	void step_receivedTill(float64 now);
 	void setReceivedTill(float64 value);
 	void emitUpdatedValue();
 
 	// This can animate for a very long time (like in music playing),
-	// so it should be a BasicAnimation, not an Animation, because
-	// Animation pauses mtproto responses/updates handling while playing.
+	// so it should be a Basic, not a Simple animation, because
+	// Simple-s pauses mtproto responses/updates handling while playing.
 	anim::value a_value, a_receivedTill;
-	BasicAnimation _a_value, _a_receivedTill;
+	Ui::Animations::Basic _a_value, _a_receivedTill;
 	Fn<void(float64,float64)> _valueChanged;
 
 	bool _inLoadingState = false;
diff --git a/Telegram/SourceFiles/ui/effects/animations.h b/Telegram/SourceFiles/ui/effects/animations.h
index 26fba2e57..440069fde 100644
--- a/Telegram/SourceFiles/ui/effects/animations.h
+++ b/Telegram/SourceFiles/ui/effects/animations.h
@@ -25,6 +25,7 @@ public:
 	void start();
 	void stop();
 
+	[[nodiscard]] crl::time started() const;
 	[[nodiscard]] bool animating() const;
 
 	~Basic();
@@ -159,13 +160,17 @@ inline void Basic::init(Callback &&callback) {
 	_callback = Prepare(std::forward<Callback>(callback));
 }
 
+TG_FORCE_INLINE crl::time Basic::started() const {
+	return _started;
+}
+
 TG_FORCE_INLINE bool Basic::animating() const {
 	return (_started >= 0);
 }
 
 TG_FORCE_INLINE bool Basic::call(crl::time now) const {
 	const auto onstack = _callback;
-	return onstack(now - _started);
+	return onstack(now);
 }
 
 inline Basic::~Basic() {
@@ -217,7 +222,8 @@ inline void Simple::start(
 	_data->animation.init([
 		that = _data.get(),
 		callback = Prepare(std::forward<Callback>(callback))
-	](crl::time time) {
+	](crl::time now) {
+		const auto time = (now - that->animation.started());
 		const auto finished = (time >= that->duration);
 		const auto progress = finished
 			? that->delta
@@ -243,7 +249,7 @@ inline void Simple::start(
 }
 
 inline void Simple::prepare(float64 from, crl::time duration) {
-	const auto isLong = (duration >= kLongAnimationDuration);
+	const auto isLong = (duration > kLongAnimationDuration);
 	if (!_data) {
 		_data = std::make_unique<Data>(from);
 	} else if (!isLong) {
diff --git a/Telegram/SourceFiles/ui/effects/fade_animation.cpp b/Telegram/SourceFiles/ui/effects/fade_animation.cpp
index f56773de3..4bc81fb96 100644
--- a/Telegram/SourceFiles/ui/effects/fade_animation.cpp
+++ b/Telegram/SourceFiles/ui/effects/fade_animation.cpp
@@ -23,7 +23,7 @@ bool FadeAnimation::paint(Painter &p) {
 	if (_cache.isNull()) return false;
 
 	const auto cache = _cache;
-	auto opacity = _animation.current(crl::now(), _visible ? 1. : 0.);
+	auto opacity = _animation.value(_visible ? 1. : 0.);
 	p.setOpacity(opacity);
 	if (_scale < 1.) {
 		PainterHighQualityEnabler hq(p);
@@ -105,7 +105,7 @@ void FadeAnimation::hide() {
 }
 
 void FadeAnimation::stopAnimation() {
-	_animation.finish();
+	_animation.stop();
 	if (!_cache.isNull()) {
 		_cache = QPixmap();
 		if (_finishedCallback) {
@@ -149,7 +149,7 @@ void FadeAnimation::updateCallback() {
 	if (_animation.animating()) {
 		_widget->update();
 		if (_updatedCallback) {
-			_updatedCallback(_animation.current(_visible ? 1. : 0.));
+			_updatedCallback(_animation.value(_visible ? 1. : 0.));
 		}
 	} else {
 		stopAnimation();
diff --git a/Telegram/SourceFiles/ui/effects/fade_animation.h b/Telegram/SourceFiles/ui/effects/fade_animation.h
index 3e815d13f..96afd5c47 100644
--- a/Telegram/SourceFiles/ui/effects/fade_animation.h
+++ b/Telegram/SourceFiles/ui/effects/fade_animation.h
@@ -9,6 +9,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "styles/style_widgets.h"
 #include "ui/rp_widget.h"
+#include "ui/effects/animations.h"
 
 namespace Ui {
 
@@ -52,7 +53,7 @@ private:
 	TWidget *_widget = nullptr;
 	float64 _scale = 1.;
 
-	Animation _animation;
+	Ui::Animations::Simple _animation;
 	QSize _size;
 	QPixmap _cache;
 	bool _visible = false;
diff --git a/Telegram/SourceFiles/ui/widgets/buttons.cpp b/Telegram/SourceFiles/ui/widgets/buttons.cpp
index 9e16acfa4..883e19e61 100644
--- a/Telegram/SourceFiles/ui/widgets/buttons.cpp
+++ b/Telegram/SourceFiles/ui/widgets/buttons.cpp
@@ -594,7 +594,7 @@ void CrossButton::paintEvent(QPaintEvent *e) {
 
 	auto loading = 0.;
 	if (_a_loading.animating()) {
-		const auto duration = (ms - _loadingStartMs);
+		const auto duration = (ms - _a_loading.started());
 		if (stopLoadingAnimation(duration)) {
 			_a_loading.stop();
 		} else if (anim::Disabled()) {
@@ -627,7 +627,7 @@ bool CrossButton::stopLoadingAnimation(crl::time duration) {
 	if (!_loadingStopMs) {
 		return false;
 	}
-	const auto stopPeriod = (_loadingStopMs - _loadingStartMs)
+	const auto stopPeriod = (_loadingStopMs - _a_loading.started())
 		/ _st.loadingPeriod;
 	const auto currentPeriod = duration / _st.loadingPeriod;
 	if (currentPeriod != stopPeriod) {
@@ -641,12 +641,11 @@ void CrossButton::setLoadingAnimation(bool enabled) {
 	if (enabled) {
 		_loadingStopMs = 0;
 		if (!_a_loading.animating()) {
-			_loadingStartMs = crl::now();
 			_a_loading.start();
 		}
 	} else if (_a_loading.animating()) {
 		_loadingStopMs = crl::now();
-		if (!((_loadingStopMs - _loadingStartMs) % _st.loadingPeriod)) {
+		if (!((_loadingStopMs - _a_loading.started()) % _st.loadingPeriod)) {
 			_a_loading.stop();
 		}
 	}
diff --git a/Telegram/SourceFiles/ui/widgets/buttons.h b/Telegram/SourceFiles/ui/widgets/buttons.h
index fd0bec44f..ab04ba799 100644
--- a/Telegram/SourceFiles/ui/widgets/buttons.h
+++ b/Telegram/SourceFiles/ui/widgets/buttons.h
@@ -244,7 +244,6 @@ private:
 	bool _shown = false;
 	Ui::Animations::Simple _a_show;
 
-	crl::time _loadingStartMs = 0;
 	crl::time _loadingStopMs = 0;
 	Ui::Animations::Basic _a_loading;
 
diff --git a/Telegram/SourceFiles/ui/widgets/continuous_sliders.cpp b/Telegram/SourceFiles/ui/widgets/continuous_sliders.cpp
index 50304f4a8..fb3ae4506 100644
--- a/Telegram/SourceFiles/ui/widgets/continuous_sliders.cpp
+++ b/Telegram/SourceFiles/ui/widgets/continuous_sliders.cpp
@@ -173,9 +173,8 @@ void FilledSlider::paintEvent(QPaintEvent *e) {
 	p.setPen(Qt::NoPen);
 
 	const auto masterOpacity = fadeOpacity();
-	const auto ms = crl::now();
 	const auto disabled = isDisabled();
-	const auto over = getCurrentOverFactor(ms);
+	const auto over = getCurrentOverFactor();
 	const auto lineWidth = _st.lineWidth + ((_st.fullWidth - _st.lineWidth) * over);
 	const auto lineWidthRounded = qFloor(lineWidth);
 	const auto lineWidthPartial = lineWidth - lineWidthRounded;
@@ -229,10 +228,9 @@ void MediaSlider::paintEvent(QPaintEvent *e) {
 	p.setOpacity(fadeOpacity());
 
 	const auto horizontal = isHorizontal();
-	const auto ms = crl::now();
 	const auto radius = _st.width / 2;
 	const auto disabled = isDisabled();
-	const auto over = getCurrentOverFactor(ms);
+	const auto over = getCurrentOverFactor();
 	const auto seekRect = getSeekRect();
 
 	// invert colors and value for vertical
diff --git a/Telegram/SourceFiles/ui/widgets/continuous_sliders.h b/Telegram/SourceFiles/ui/widgets/continuous_sliders.h
index 55fce2e1f..1a7073796 100644
--- a/Telegram/SourceFiles/ui/widgets/continuous_sliders.h
+++ b/Telegram/SourceFiles/ui/widgets/continuous_sliders.h
@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "styles/style_widgets.h"
+#include "ui/effects/animations.h"
 #include "ui/rp_widget.h"
 
 namespace base {
@@ -70,8 +71,8 @@ protected:
 	float64 getCurrentReceivedTill() const {
 		return _receivedTill;
 	}
-	float64 getCurrentOverFactor(crl::time ms) {
-		return _disabled ? 0. : _a_over.current(ms, _over ? 1. : 0.);
+	float64 getCurrentOverFactor() {
+		return _disabled ? 0. : _a_over.value(_over ? 1. : 0.);
 	}
 	Direction getDirection() const {
 		return _direction;
@@ -103,7 +104,7 @@ private:
 	Fn<void(float64)> _changeFinishedCallback;
 
 	bool _over = false;
-	Animation _a_over;
+	Ui::Animations::Simple _a_over;
 
 	float64 _value = 0.;
 	float64 _receivedTill = 0.;