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PageList.cpp
1/*
2 * Copyright (C) 2014-2016 Canonical Ltd.
3 *
4 * This program is free software: you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 3, as published
6 * by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranties of
10 * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
11 * PURPOSE. See the GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program. If not, see <http://www.gnu.org/licenses/>.
15 */
16
32#include "PageList.h"
33#include <paths.h>
34#include <QDir>
35#include <QSet>
36#include <QStandardPaths>
37#include <QSettings>
38
39PageList::PageList(QObject *parent)
40 : QObject(parent),
41 m_index(-1),
42 m_pages()
43{
44 const QString qmlSuffix = QStringLiteral(".qml");
45 const QString disabledSuffix = QStringLiteral(".disabled");
46 QSet<QString> disabledPages;
47 QStringList dataDirs;
48
49 if (!isRunningInstalled() && getenv("WIZARD_TESTING") == nullptr) {
50 dataDirs << qmlDirectory();
51 } else {
52 dataDirs = shellDataDirs();
53 }
54
55 Q_FOREACH(const QString &dataDir, dataDirs) {
56 QDir dir(dataDir + "/Wizard/Pages");
57 const QStringList entries = dir.entryList(QStringList(QStringLiteral("[0-9]*")), QDir::Files | QDir::Readable);
58 Q_FOREACH(const QString &entry, entries) {
59 if (!m_pages.contains(entry) && entry.endsWith(qmlSuffix))
60 m_pages.insert(entry, dir.absoluteFilePath(entry));
61 else if (entry.endsWith(qmlSuffix + disabledSuffix))
62 disabledPages.insert(entry.left(entry.size() - disabledSuffix.size()));
63 }
64 }
65
66 // Now remove any explicitly disabled entries
67 Q_FOREACH(const QString &page, disabledPages) {
68 m_pages.remove(page);
69 }
70
71 // If there was a system update installed, skip until the last page to just greet the user
72 QSettings settings;
73 if (settings.value(QStringLiteral("Wizard/SkipUntilFinishedPage")).toBool()) {
74 const QString lastPage = m_pages.lastKey();
75 Q_FOREACH(const QString &page, m_pages.keys()) {
76 if (Q_UNLIKELY(page != lastPage)) {
77 m_pages.remove(page);
78 }
79 }
80
81 // ... and reset it again for the next run
82 settings.remove(QStringLiteral("Wizard/SkipUntilFinishedPage"));
83 }
84}
85
86QStringList PageList::entries() const
87{
88 return m_pages.keys();
89}
90
91QStringList PageList::paths() const
92{
93 return m_pages.values();
94}
95
96int PageList::index() const
97{
98 return m_index;
99}
100
101int PageList::numPages() const
102{
103 return m_pages.size();
104}
105
106QString PageList::prev()
107{
108 if (m_index > 0)
109 return m_pages.values()[setIndex(m_index - 1)];
110 else
111 return QString();
112}
113
114QString PageList::next()
115{
116 if (m_index < m_pages.count() - 1)
117 return m_pages.values()[setIndex(m_index + 1)];
118 else
119 return QString();
120}
121
122int PageList::setIndex(int index)
123{
124 m_index = index;
125 Q_EMIT indexChanged();
126 return m_index;
127}