Music Hub  ..
A session-wide music playback service
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros
engine.cpp
Go to the documentation of this file.
1 /*
2  * Copyright © 2013-2014 Canonical Ltd.
3  *
4  * This program is free software: you can redistribute it and/or modify it
5  * under the terms of the GNU Lesser General Public License version 3,
6  * as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU Lesser General Public License for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  * Authored by: Thomas Voß <thomas.voss@canonical.com>
17  * Jim Hodapp <jim.hodapp@canonical.com>
18  */
19 
20 #include "engine.h"
21 
22 #include <exception>
23 #include <stdexcept>
24 
25 namespace media = core::ubuntu::media;
26 
27 double media::Engine::Volume::min()
28 {
29  return 0.;
30 }
31 
32 double media::Engine::Volume::max()
33 {
34  return 1.;
35 }
36 
37 media::Engine::Volume::Volume(double v) : value(v)
38 {
39  if (value < min() || value > max())
40  throw std::runtime_error("Value exceeds limits");
41 }
42 
44 {
45  return value != rhs.value;
46 }
47 
49 {
50  return value == rhs.value;
51 }
bool operator!=(const Volume &rhs) const
Definition: engine.cpp:43
bool operator==(const Volume &rhs) const
Definition: engine.cpp:48