1 /* Translator.cpp */
2
3 /* Copyright (C) 2011-2020 Michael Lugmair (Lucio Carreras)
4 *
5 * This file is part of sayonara player
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "Translator.h"
22
23 #include "Utils/Utils.h"
24 #include "Utils/Language/LanguageUtils.h"
25 #include "Utils/Logger/Logger.h"
26 #include "Utils/StandardPaths.h"
27
28 #include <QTranslator>
29 #include <QApplication>
30 #include <QList>
31 #include <QDir>
32
33 struct Translator::Private
34 {
35 QList<QTranslator*> translators;
36 };
37
Translator()38 Translator::Translator()
39 {
40 m = Pimpl::make<Private>();
41 }
42
43 Translator::~Translator() = default;
44
switchTranslator(QObject * parent,const QString & fourLetter)45 bool Translator::switchTranslator(QObject* parent, const QString& fourLetter)
46 {
47 if(!m->translators.isEmpty())
48 {
49 for(QTranslator* t : m->translators)
50 {
51 QApplication::removeTranslator(t);
52 t->deleteLater();
53 }
54
55 m->translators.clear();
56 }
57
58 const QString languageFile = Util::Language::getUsedLanguageFile(fourLetter);
59 const QString languageDir = Util::translationsSharePath();
60
61 QStringList filenames;
62 filenames << QDir(languageDir).absoluteFilePath(languageFile)
63 << Util::Language::getCurrentQtTranslationPaths();
64
65 for(const QString& filename : filenames)
66 {
67 auto* translator = new QTranslator(parent);
68 bool loaded = translator->load(filename);
69 if(!loaded)
70 {
71 translator->deleteLater();
72 spLog(Log::Debug, this) << "Translator " << filename << " could not be loaded";
73 continue;
74 }
75
76 if(translator->isEmpty())
77 {
78 translator->deleteLater();
79 spLog(Log::Debug, this) << "Translator is empty";
80 continue;
81 }
82
83 bool installed = QApplication::installTranslator(translator);
84 if(!installed)
85 {
86 translator->deleteLater();
87 spLog(Log::Debug, this) << "Translator " << filename << " could not be installed";
88 continue;
89 }
90
91 m->translators << translator;
92 }
93
94 return (!m->translators.isEmpty());
95 }
96
changeLanguage(QObject * parent,const QString & fourLetter)97 void Translator::changeLanguage(QObject* parent, const QString& fourLetter)
98 {
99 switchTranslator(parent, fourLetter);
100 }
101