Move path information from QDesktopServices (gui) to QStandardPaths (core)

Change-Id: Ic596c21894d83b4dab0c3f5b1aed916ddd590f2f
Reviewed-by: Thiago Macieira (Intel) <thiago.macieira@intel.com>

1 files changed, 166 insertions, 0 deletions

diff --git a/src/corelib/io/qstandardpaths_unix.cpp b/src/corelib/io/qstandardpaths_unix.cpp
new file mode 100644
index 0000000000..f0c50059a9
--- /dev/null
+++ b/src/corelib/io/qstandardpaths_unix.cpp
@@ -0,0 +1,166 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qstandardpaths.h"
+#include <qprocess.h>
+#include <qurl.h>
+#include <qdir.h>
+#include <qfile.h>
+#include <qtextstream.h>
+#include <qcoreapplication.h>
+#include <stdlib.h>
+
+#ifndef QT_NO_STANDARDPATHS
+
+QT_BEGIN_NAMESPACE
+
+QString QStandardPaths::storageLocation(StandardLocation type)
+{
+    if (type == QStandardPaths::HomeLocation)
+        return QDir::homePath();
+    if (type == QStandardPaths::TempLocation)
+        return QDir::tempPath();
+
+    // http://standards.freedesktop.org/basedir-spec/basedir-spec-0.6.html
+    if (type == QStandardPaths::CacheLocation) {
+        QString xdgCacheHome = QLatin1String(qgetenv("XDG_CACHE_HOME"));
+        if (xdgCacheHome.isEmpty())
+            xdgCacheHome = QDir::homePath() + QLatin1String("/.cache");
+        xdgCacheHome += QLatin1Char('/') + QCoreApplication::organizationName()
+                    + QLatin1Char('/') + QCoreApplication::applicationName();
+        return xdgCacheHome;
+    }
+
+    if (type == QStandardPaths::DataLocation) {
+        QString xdgDataHome = QLatin1String(qgetenv("XDG_DATA_HOME"));
+        if (xdgDataHome.isEmpty())
+            xdgDataHome = QDir::homePath() + QLatin1String("/.local/share");
+        xdgDataHome += QLatin1String("/data/")
+                    + QCoreApplication::organizationName() + QLatin1Char('/')
+                    + QCoreApplication::applicationName();
+        return xdgDataHome;
+    }
+
+    // http://www.freedesktop.org/wiki/Software/xdg-user-dirs
+    QString xdgConfigHome = QLatin1String(qgetenv("XDG_CONFIG_HOME"));
+    if (xdgConfigHome.isEmpty())
+        xdgConfigHome = QDir::homePath() + QLatin1String("/.config");
+    QFile file(xdgConfigHome + QLatin1String("/user-dirs.dirs"));
+    if (file.exists() && file.open(QIODevice::ReadOnly)) {
+        QHash<QString, QString> lines;
+        QTextStream stream(&file);
+        // Only look for lines like: XDG_DESKTOP_DIR="$HOME/Desktop"
+        QRegExp exp(QLatin1String("^XDG_(.*)_DIR=(.*)$"));
+        while (!stream.atEnd()) {
+            QString line = stream.readLine();
+            if (exp.indexIn(line) != -1) {
+                const QStringList lst = exp.capturedTexts();
+                const QString key = lst.at(1);
+                QString value = lst.at(2);
+                if (value.length() > 2
+                    && value.startsWith(QLatin1Char('\"'))
+                    && value.endsWith(QLatin1Char('\"')))
+                    value = value.mid(1, value.length() - 2);
+                // Store the key and value: "DESKTOP", "$HOME/Desktop"
+                lines[key] = value;
+            }
+        }
+
+        QString key;
+        switch (type) {
+        case DesktopLocation: key = QLatin1String("DESKTOP"); break;
+        case DocumentsLocation: key = QLatin1String("DOCUMENTS"); break;
+        case PicturesLocation: key = QLatin1String("PICTURES"); break;
+        case MusicLocation: key = QLatin1String("MUSIC"); break;
+        case MoviesLocation: key = QLatin1String("VIDEOS"); break;
+        default: break;
+        }
+        if (!key.isEmpty() && lines.contains(key)) {
+            QString value = lines[key];
+            // value can start with $HOME
+            if (value.startsWith(QLatin1String("$HOME")))
+                value = QDir::homePath() + value.mid(5);
+            return value;
+        }
+    }
+
+    QDir emptyDir;
+    QString path;
+    switch (type) {
+    case DesktopLocation:
+        path = QDir::homePath() + QLatin1String("/Desktop");
+        break;
+    case DocumentsLocation:
+        path = QDir::homePath() + QLatin1String("/Documents");
+       break;
+    case PicturesLocation:
+        path = QDir::homePath() + QLatin1String("/Pictures");
+        break;
+
+    case FontsLocation:
+        path = QDir::homePath() + QLatin1String("/.fonts");
+        break;
+
+    case MusicLocation:
+        path = QDir::homePath() + QLatin1String("/Music");
+        break;
+
+    case MoviesLocation:
+        path = QDir::homePath() + QLatin1String("/Videos");
+        break;
+
+    case ApplicationsLocation:
+    default:
+        break;
+    }
+
+    return path;
+}
+
+QString QStandardPaths::displayName(StandardLocation type)
+{
+    Q_UNUSED(type);
+    return QString();
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_STANDARDPATHS