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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/system/hotspot/hotspot_icon_animation.h"
#include "ash/system/hotspot/hotspot_icon_animation_observer.h"
namespace ash {
HotspotIconAnimation::HotspotIconAnimation() {
// Set up the animation throbber.
animation_.SetThrobDuration(base::Seconds(1));
animation_.SetTweenType(gfx::Tween::LINEAR);
}
HotspotIconAnimation::~HotspotIconAnimation() {
CHECK(observers_.empty());
}
void HotspotIconAnimation::AnimationProgressed(
const gfx::Animation* animation) {
if (animation != &animation_) {
return;
}
for (HotspotIconAnimationObserver& observer : observers_) {
observer.HotspotIconChanged();
}
}
double HotspotIconAnimation::GetAnimation() {
if (!animation_.is_animating()) {
animation_.Reset();
animation_.StartThrobbing(/*throb indefinitely=*/-1);
return 0;
}
return animation_.GetCurrentValue();
}
void HotspotIconAnimation::AddObserver(HotspotIconAnimationObserver* observer) {
if (!observers_.HasObserver(observer)) {
observers_.AddObserver(observer);
}
}
void HotspotIconAnimation::RemoveObserver(
HotspotIconAnimationObserver* observer) {
if (observers_.HasObserver(observer)) {
observers_.RemoveObserver(observer);
}
if (observers_.empty()) {
animation_.Reset(); // Stops the animation and resets the current value.
}
}
} // namespace ash
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