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- // Copyright (c) 2013 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "ash/system/network/network_icon_animation.h"
- #include "ash/system/network/network_icon_animation_observer.h"
- namespace ash {
- namespace network_icon {
- NetworkIconAnimation::NetworkIconAnimation() : animation_(this) {
- // Set up the animation throbber.
- animation_.SetThrobDuration(base::Milliseconds(750));
- animation_.SetTweenType(gfx::Tween::LINEAR);
- }
- NetworkIconAnimation::~NetworkIconAnimation() = default;
- void NetworkIconAnimation::AnimationProgressed(
- const gfx::Animation* animation) {
- if (animation != &animation_)
- return;
- for (AnimationObserver& observer : observers_)
- observer.NetworkIconChanged();
- }
- double NetworkIconAnimation::GetAnimation() {
- if (!animation_.is_animating()) {
- animation_.Reset();
- animation_.StartThrobbing(-1 /*throb indefinitely*/);
- return 0;
- }
- return animation_.GetCurrentValue();
- }
- void NetworkIconAnimation::AddObserver(AnimationObserver* observer) {
- if (!observers_.HasObserver(observer))
- observers_.AddObserver(observer);
- }
- void NetworkIconAnimation::RemoveObserver(AnimationObserver* observer) {
- observers_.RemoveObserver(observer);
- if (observers_.empty())
- animation_.Reset(); // Stops the animation and resets the current value.
- }
- // static
- NetworkIconAnimation* NetworkIconAnimation::GetInstance() {
- static NetworkIconAnimation* s_icon_animation = new NetworkIconAnimation();
- return s_icon_animation;
- }
- } // namespace network_icon
- } // namespace ash
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