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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Sonic Visualiser
An audio file viewer and annotation editor.
Centre for Digital Music, Queen Mary, University of London.
This file copyright 2006 Chris Cannam.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#include "RecentFiles.h"
#include "Preferences.h"
#include <QFileInfo>
#include <QSettings>
#include <QRegularExpression>
#include <QMutexLocker>
namespace sv {
RecentFiles::RecentFiles(QString settingsGroup, int maxCount) :
m_settingsGroup(settingsGroup),
m_maxCount(maxCount)
{
read();
}
RecentFiles::~RecentFiles()
{
// nothing
}
void
RecentFiles::read()
{
// Private method - called only from constructor - no mutex lock required
m_entries.clear();
QSettings settings;
settings.beginGroup(m_settingsGroup);
for (int i = 0; i < 100; ++i) {
QString idKey = QString("recent-%1").arg(i);
QString identifier = settings.value(idKey, "").toString();
if (identifier == "") break;
QString labelKey = QString("recent-%1-label").arg(i);
QString label = settings.value(labelKey, "").toString();
if (i < m_maxCount) m_entries.push_back({ identifier, label });
else {
settings.setValue(idKey, "");
settings.setValue(labelKey, "");
}
}
settings.endGroup();
}
void
RecentFiles::write()
{
// Private method - must be serialised at call site
QSettings settings;
settings.beginGroup(m_settingsGroup);
for (int i = 0; i < m_maxCount; ++i) {
QString idKey = QString("recent-%1").arg(i);
QString labelKey = QString("recent-%1-label").arg(i);
QString identifier;
QString label;
if (in_range_for(m_entries, i)) {
identifier = m_entries[i].first;
label = m_entries[i].second;
}
settings.setValue(idKey, identifier);
settings.setValue(labelKey, label);
}
settings.endGroup();
}
void
RecentFiles::truncateAndWrite()
{
// Private method - must be serialised at call site
while (int(m_entries.size()) > m_maxCount) {
m_entries.pop_back();
}
write();
}
std::vector<QString>
RecentFiles::getRecentIdentifiers() const
{
QMutexLocker locker(&m_mutex);
std::vector<QString> identifiers;
for (int i = 0; i < m_maxCount; ++i) {
if (i < (int)m_entries.size()) {
identifiers.push_back(m_entries[i].first);
}
}
return identifiers;
}
std::vector<std::pair<QString, QString>>
RecentFiles::getRecentEntries() const
{
QMutexLocker locker(&m_mutex);
std::vector<std::pair<QString, QString>> entries;
for (int i = 0; i < m_maxCount; ++i) {
if (i < (int)m_entries.size()) {
entries.push_back(m_entries[i]);
}
}
return entries;
}
void
RecentFiles::add(QString identifier, QString label)
{
{
QMutexLocker locker(&m_mutex);
bool have = false;
for (int i = 0; i < int(m_entries.size()); ++i) {
if (m_entries[i].first == identifier) {
have = true;
break;
}
}
if (!have) {
m_entries.push_front({ identifier, label });
} else {
std::deque<std::pair<QString, QString>> newEntries;
newEntries.push_back({ identifier, label });
for (int i = 0; in_range_for(m_entries, i); ++i) {
if (m_entries[i].first == identifier) continue;
newEntries.push_back(m_entries[i]);
}
m_entries = newEntries;
}
truncateAndWrite();
}
emit recentChanged();
}
void
RecentFiles::addFile(QString filepath, QString label)
{
static QRegularExpression schemeRE("^[a-zA-Z]{2,5}://");
static QRegularExpression tempRE("[\\/][Tt]e?mp[\\/]");
if (schemeRE.match(filepath).hasMatch()) {
// with scheme => absolute & don't need to check for tmpdir
add(filepath, label);
} else {
QString absPath = QFileInfo(filepath).absoluteFilePath();
if (tempRE.match(absPath).hasMatch()) {
Preferences *prefs = Preferences::getInstance();
if (prefs && !prefs->getOmitTempsFromRecentFiles()) {
add(absPath, label);
}
} else {
add(absPath, label);
}
}
}
} // end namespace sv
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