1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "chrome/common/throb_animation.h"
static const int kDefaultThrobDurationMS = 400;
ThrobAnimation::ThrobAnimation(AnimationDelegate* target)
: SlideAnimation(target),
slide_duration_(GetSlideDuration()),
throb_duration_(kDefaultThrobDurationMS),
cycles_remaining_(0),
throbbing_(false) {
}
void ThrobAnimation::StartThrobbing(int cycles_til_stop) {
cycles_remaining_ = cycles_til_stop;
throbbing_ = true;
SlideAnimation::SetSlideDuration(throb_duration_);
if (IsAnimating())
return; // We're already running, we'll cycle when current loop finishes.
if (IsShowing())
SlideAnimation::Hide();
else
SlideAnimation::Show();
cycles_remaining_ = cycles_til_stop;
}
void ThrobAnimation::Reset() {
ResetForSlide();
SlideAnimation::Reset();
}
void ThrobAnimation::Show() {
ResetForSlide();
SlideAnimation::Show();
}
void ThrobAnimation::Hide() {
ResetForSlide();
SlideAnimation::Hide();
}
void ThrobAnimation::Run() {
SlideAnimation::Run();
if (!IsAnimating() && throbbing_) {
// Were throbbing a finished a cycle. Start the next cycle unless we're at
// the end of the cycles, in which case we stop.
cycles_remaining_--;
if (IsShowing()) {
// We want to stop hidden, hence this doesn't check cycles_remaining_.
SlideAnimation::Hide();
} else if (cycles_remaining_ > 0) {
SlideAnimation::Show();
} else {
// We're done throbbing.
throbbing_ = false;
}
}
}
void ThrobAnimation::ResetForSlide() {
SlideAnimation::SetSlideDuration(slide_duration_);
cycles_remaining_ = 0;
throbbing_ = false;
}
|
