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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2011 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Marco Trevisan (Treviño) <mail@3v1n0.net>
*/
#include "Animator.h"
namespace unity
{
Animator::Animator(unsigned int rate, unsigned int duration)
{
_start_time = 0;
_timeout_id = 0;
_progress = 0.0f;
_start_progress = 0.0f;
_rate = 1;
_duration = 0;
SetDuration(duration);
SetRate(rate);
}
Animator::~Animator()
{
if (_timeout_id != 0)
g_source_remove (_timeout_id);
}
void
Animator::SetRate(unsigned int rate)
{
if (rate != 0)
_rate = 1000 / rate;
}
void
Animator::SetDuration(unsigned int duration)
{
if (duration != 0)
_duration = duration * 1000;
}
unsigned int
Animator::GetRate()
{
return _rate;
}
unsigned int
Animator::GetDuration()
{
return _duration;
}
bool
Animator::IsRunning()
{
return (_timeout_id != 0);
}
double
Animator::GetProgress()
{
return _progress;
}
void
Animator::Start(double start_progress)
{
if (_timeout_id == 0 && start_progress < 1.0f)
{
if (start_progress < 0.0f)
start_progress = 0.0f;
_start_progress = start_progress;
_progress = _start_progress;
_start_time = g_get_monotonic_time();
_timeout_id = g_timeout_add(_rate, (GSourceFunc) &Animator::TimerTimeOut, this);
}
}
void
Animator::Stop()
{
if (_timeout_id != 0)
{
g_source_remove(_timeout_id);
animation_updated.emit(_progress);
animation_ended.emit();
animation_stopped.emit(_progress);
_timeout_id = 0;
}
}
gboolean
Animator::TimerTimeOut(Animator *self)
{
const gint64 current_time = g_get_monotonic_time();
const gint64 end_time = self->_start_time + self->_duration;
if (current_time < end_time && self->_progress < 1.0f)
{
const double diff_time = current_time - self->_start_time;
self->_progress = self->_start_progress + (diff_time / self->_duration);
self->animation_updated.emit(self->_progress);
return TRUE;
} else {
self->_progress = 1.0f;
self->animation_updated.emit(1.0f);
self->animation_ended.emit();
self->_timeout_id = 0;
return FALSE;
}
}
} //namespace
|