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
|
// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-
/*
* Copyright (C) 2010 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: Jason Smith <jason.smith@canonical.com>
*/
#include "Decaymulator.h"
namespace unity {
namespace ui {
Decaymulator::Decaymulator()
{
value.changed.connect(sigc::mem_fun(this, &Decaymulator::OnValueChanged));
}
void Decaymulator::OnValueChanged(int value)
{
if (!decay_timer_ && value > 0)
{
decay_timer_.reset(new glib::Timeout(10, sigc::mem_fun(this, &Decaymulator::OnDecayTimeout)));
}
}
bool Decaymulator::OnDecayTimeout()
{
int partial_decay = rate_of_decay / 100;
if (value <= partial_decay)
{
value = 0;
decay_timer_.reset();
return false;
}
value = value - partial_decay;
return true;
}
}
}
|