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Side by Side Diff: ash/system/chromeos/network/network_icon_animation.cc

Issue 351353004: chromeos: Move some network related UI in ui/chromeos/ (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: fix-build Created 6 years, 5 months ago
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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "ash/system/chromeos/network/network_icon_animation.h"
6
7 #include "ash/system/chromeos/network/network_icon_animation_observer.h"
8
9 namespace {
10 const int kThrobDurationMs = 750; // Animation cycle length.
11 }
12
13 namespace ash {
14 namespace network_icon {
15
16 NetworkIconAnimation::NetworkIconAnimation()
17 : animation_(this) {
18 // Set up the animation throbber.
19 animation_.SetThrobDuration(kThrobDurationMs);
20 animation_.SetTweenType(gfx::Tween::LINEAR);
21 }
22
23 NetworkIconAnimation::~NetworkIconAnimation() {
24 }
25
26 void NetworkIconAnimation::AnimationProgressed(
27 const gfx::Animation* animation) {
28 if (animation != &animation_)
29 return;
30 FOR_EACH_OBSERVER(AnimationObserver, observers_, NetworkIconChanged());
31 }
32
33 double NetworkIconAnimation::GetAnimation() {
34 if (!animation_.is_animating()) {
35 animation_.Reset();
36 animation_.StartThrobbing(-1 /*throb indefinitely*/);
37 return 0;
38 }
39 return animation_.GetCurrentValue();
40 }
41
42 void NetworkIconAnimation::AddObserver(AnimationObserver* observer) {
43 if (!observers_.HasObserver(observer))
44 observers_.AddObserver(observer);
45 }
46
47 void NetworkIconAnimation::RemoveObserver(AnimationObserver* observer) {
48 observers_.RemoveObserver(observer);
49 if (!observers_.might_have_observers())
50 animation_.Reset(); // Stops the animation and resets the current value.
51 }
52
53 // static
54 NetworkIconAnimation* NetworkIconAnimation::GetInstance() {
55 static NetworkIconAnimation* s_icon_animation =
56 new NetworkIconAnimation();
57 return s_icon_animation;
58 }
59
60 } // namespace network_icon
61 } // namespace ash
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