Adapt to KConfigGroup name officially being a QString type

[dolphin.git] / src / views / viewproperties.cpp

diff --git a/src/views/viewproperties.cpp b/src/views/viewproperties.cpp
index 3e08358f7308cd21673ed8a659b3cc04fca8856e..f42adbce7aa7a2004f185b3fe31642d2993a6fdd 100644 (file)
--- a/src/views/viewproperties.cpp
+++ b/src/views/viewproperties.cpp
@@ -1,79 +1,169 @@
-/***************************************************************************
- *   Copyright (C) 2006-2010 by Peter Penz <peter.penz@gmx.at>             *
- *   Copyright (C) 2006 by Aaron J. Seigo <aseigo@kde.org>                 *
- *                                                                         *
- *   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.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
- ***************************************************************************/
+/*
+ * SPDX-FileCopyrightText: 2006-2010 Peter Penz <peter.penz19@gmail.com>
+ * SPDX-FileCopyrightText: 2006 Aaron J. Seigo <aseigo@kde.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */

 
 #include "viewproperties.h"
 
 
 #include "viewproperties.h"
 

-#include "additionalinfoaccessor.h"

 #include "dolphin_directoryviewpropertysettings.h"
 #include "dolphin_generalsettings.h"
 #include "dolphin_directoryviewpropertysettings.h"
 #include "dolphin_generalsettings.h"

+#include "dolphindebug.h"

 
 

-#include <kcomponentdata.h>
-#include <klocale.h>
-#include <kstandarddirs.h>
-#include <kurl.h>
+#include <QCryptographicHash>

 
 

-#include <QDate>
-#include <QFile>
-#include <QFileInfo>
+#include <KFileItem>

 
 

-#include "settings/dolphinsettings.h"
+namespace
+{
+const int AdditionalInfoViewPropertiesVersion = 1;
+const int NameRolePropertiesVersion = 2;
+const int DateRolePropertiesVersion = 4;
+const int CurrentViewPropertiesVersion = 4;
+
+// String representation to mark the additional properties of
+// the details view as customized by the user. See
+// ViewProperties::visibleRoles() for more information.
+const char CustomizedDetailsString[] = "CustomizedDetails";
+
+// Filename that is used for storing the properties
+const char ViewPropertiesFileName[] = ".directory";
+}

 
 

-ViewProperties::ViewProperties(const KUrl& url) :
-    m_changedProps(false),
-    m_autoSave(true),
-    m_node(0)
+ViewProperties::ViewProperties(const QUrl &url)
+    : m_changedProps(false)
+    , m_autoSave(true)
+    , m_node(nullptr)

 {
 {

+    GeneralSettings *settings = GeneralSettings::self();
+    const bool useGlobalViewProps = settings->globalViewProps() || url.isEmpty();
+    bool useSearchView = false;
+    bool useTrashView = false;
+    bool useRecentDocumentsView = false;
+    bool useDownloadsView = false;
+

     // We try and save it to the file .directory in the directory being viewed.
     // If the directory is not writable by the user or the directory is not local,
     // we store the properties information in a local file.
     // We try and save it to the file .directory in the directory being viewed.
     // If the directory is not writable by the user or the directory is not local,
     // we store the properties information in a local file.

-    GeneralSettings* settings = DolphinSettings::instance().generalSettings();
-    const bool useGlobalViewProps = settings->globalViewProps();

     if (useGlobalViewProps) {
     if (useGlobalViewProps) {

-        m_filePath = destinationDir("global");
+        m_filePath = destinationDir(QStringLiteral("global"));
+    } else if (url.scheme().contains(QLatin1String("search"))) {
+        m_filePath = destinationDir(QStringLiteral("search/")) + directoryHashForUrl(url);
+        useSearchView = true;
+    } else if (url.scheme() == QLatin1String("trash")) {
+        m_filePath = destinationDir(QStringLiteral("trash"));
+        useTrashView = true;
+    } else if (url.scheme() == QLatin1String("recentdocuments")) {
+        m_filePath = destinationDir(QStringLiteral("recentdocuments"));
+        useRecentDocumentsView = true;
+    } else if (url.scheme() == QLatin1String("recentlyused")) {
+        m_filePath = destinationDir(QStringLiteral("recentlyused"));
+        useRecentDocumentsView = true;
+    } else if (url.scheme() == QLatin1String("timeline")) {
+        m_filePath = destinationDir(QStringLiteral("timeline"));
+        useRecentDocumentsView = true;

     } else if (url.isLocalFile()) {
         m_filePath = url.toLocalFile();
     } else if (url.isLocalFile()) {
         m_filePath = url.toLocalFile();

-        const QFileInfo info(m_filePath);
-        if (!info.isWritable()) {
-            m_filePath = destinationDir("local") + m_filePath;
+
+        bool useDestinationDir = !isPartOfHome(m_filePath);
+        if (!useDestinationDir) {
+            const KFileItem fileItem(url);
+            useDestinationDir = fileItem.isSlow();
+        }
+
+        if (!useDestinationDir) {
+            const QFileInfo dirInfo(m_filePath);
+            const QFileInfo fileInfo(m_filePath + QDir::separator() + ViewPropertiesFileName);
+            useDestinationDir = !dirInfo.isWritable() || (dirInfo.size() > 0 && fileInfo.exists() && !(fileInfo.isReadable() && fileInfo.isWritable()));
+        }
+
+        if (useDestinationDir) {
+#ifdef Q_OS_WIN
+            // m_filePath probably begins with C:/ - the colon is not a valid character for paths though
+            m_filePath = QDir::separator() + m_filePath.remove(QLatin1Char(':'));
+#endif
+            m_filePath = destinationDir(QStringLiteral("local")) + m_filePath;
+        }
+
+        if (m_filePath == QStandardPaths::writableLocation(QStandardPaths::DownloadLocation)) {
+            useDownloadsView = true;

         }
     } else {
         }
     } else {

-        m_filePath = destinationDir("remote") + m_filePath;
+        m_filePath = destinationDir(QStringLiteral("remote")) + m_filePath;

     }
 
     }
 

-    const QString file = m_filePath + QDir::separator() + QLatin1String(".directory");
+    const QString file = m_filePath + QDir::separator() + ViewPropertiesFileName;

     m_node = new ViewPropertySettings(KSharedConfig::openConfig(file));
 
     m_node = new ViewPropertySettings(KSharedConfig::openConfig(file));
 

-    const bool useDefaultProps = !useGlobalViewProps &&
-                                 (!QFileInfo(file).exists() ||
-                                  (m_node->timestamp() < settings->viewPropsTimestamp()));
+    // If the .directory file does not exist or the timestamp is too old,
+    // use default values instead.
+    const bool useDefaultProps = (!useGlobalViewProps || useSearchView || useTrashView || useRecentDocumentsView || useDownloadsView)
+        && (!QFile::exists(file) || (m_node->timestamp() < settings->viewPropsTimestamp()));

     if (useDefaultProps) {
     if (useDefaultProps) {

-        // If the .directory file does not exist or the timestamp is too old,
-        // use the values from the global .directory file instead, which acts
-        // as default view for new folders in this case.
-        settings->setGlobalViewProps(true);
+        if (useSearchView) {
+            const QString path = url.path();
+
+            if (path == QLatin1String("/images")) {
+                setViewMode(DolphinView::IconsView);
+                setPreviewsShown(true);
+                setVisibleRoles({"text", "dimensions", "imageDateTime"});
+            } else if (path == QLatin1String("/audio")) {
+                setViewMode(DolphinView::DetailsView);
+                setVisibleRoles({"text", "artist", "album", "duration"});
+            } else if (path == QLatin1String("/videos")) {
+                setViewMode(DolphinView::IconsView);
+                setPreviewsShown(true);
+                setVisibleRoles({"text"});
+            } else {
+                setViewMode(DolphinView::DetailsView);
+                setVisibleRoles({"text", "path", "modificationtime"});
+            }
+        } else if (useTrashView) {
+            setViewMode(DolphinView::DetailsView);
+            setVisibleRoles({"text", "path", "deletiontime"});
+        } else if (useRecentDocumentsView || useDownloadsView) {
+            setSortRole(QByteArrayLiteral("modificationtime"));
+            setSortOrder(Qt::DescendingOrder);
+            setSortFoldersFirst(false);
+            setGroupedSorting(true);
+
+            if (useRecentDocumentsView) {
+                setViewMode(DolphinView::DetailsView);
+                setVisibleRoles({"text", "path", "modificationtime"});
+            }
+        } else {
+            // The global view-properties act as default for directories without
+            // any view-property configuration. Constructing a ViewProperties
+            // instance for an empty QUrl ensures that the global view-properties
+            // are loaded.
+            QUrl emptyUrl;
+            ViewProperties defaultProps(emptyUrl);
+            setDirProperties(defaultProps);
+
+            m_changedProps = false;
+        }
+    }

 
 

-        ViewProperties defaultProps(url);
-        setDirProperties(defaultProps);
+    if (m_node->version() < CurrentViewPropertiesVersion) {
+        // The view-properties have an outdated version. Convert the properties
+        // to the changes of the current version.
+        if (m_node->version() < AdditionalInfoViewPropertiesVersion) {
+            convertAdditionalInfo();
+            Q_ASSERT(m_node->version() == AdditionalInfoViewPropertiesVersion);
+        }

 
 

-        settings->setGlobalViewProps(false);
-        m_changedProps = false;
+        if (m_node->version() < NameRolePropertiesVersion) {
+            convertNameRoleToTextRole();
+            Q_ASSERT(m_node->version() == NameRolePropertiesVersion);
+        }
+
+        if (m_node->version() < DateRolePropertiesVersion) {
+            convertDateRoleToModificationTimeRole();
+            Q_ASSERT(m_node->version() == DateRolePropertiesVersion);
+        }
+
+        m_node->setVersion(CurrentViewPropertiesVersion);

     }
 }
 
     }
 }
 


@@ -84,79 +174,80 @@ ViewProperties::~ViewProperties()
     }
 
     delete m_node;
     }
 
     delete m_node;

-    m_node = 0;
+    m_node = nullptr;

 }
 
 void ViewProperties::setViewMode(DolphinView::Mode mode)
 {
     if (m_node->viewMode() != mode) {
         m_node->setViewMode(mode);
 }
 
 void ViewProperties::setViewMode(DolphinView::Mode mode)
 {
     if (m_node->viewMode() != mode) {
         m_node->setViewMode(mode);

-        updateTimeStamp();
+        update();

     }
 }
 
 DolphinView::Mode ViewProperties::viewMode() const
 {
     }
 }
 
 DolphinView::Mode ViewProperties::viewMode() const
 {

-    return static_cast<DolphinView::Mode>(m_node->viewMode());
+    const int mode = qBound(0, m_node->viewMode(), 2);
+    return static_cast<DolphinView::Mode>(mode);

 }
 
 }
 

-void ViewProperties::setShowPreview(bool show)
+void ViewProperties::setPreviewsShown(bool show)

 {
 {

-    if (m_node->showPreview() != show) {
-        m_node->setShowPreview(show);
-        updateTimeStamp();
+    if (m_node->previewsShown() != show) {
+        m_node->setPreviewsShown(show);
+        update();

     }
 }
 
     }
 }
 

-bool ViewProperties::showPreview() const
+bool ViewProperties::previewsShown() const

 {
 {

-    return m_node->showPreview();
+    return m_node->previewsShown();

 }
 
 }
 

-void ViewProperties::setShowHiddenFiles(bool show)
+void ViewProperties::setHiddenFilesShown(bool show)

 {
 {

-    if (m_node->showHiddenFiles() != show) {
-        m_node->setShowHiddenFiles(show);
-        updateTimeStamp();
+    if (m_node->hiddenFilesShown() != show) {
+        m_node->setHiddenFilesShown(show);
+        update();

     }
 }
 
     }
 }
 

-void ViewProperties::setCategorizedSorting(bool categorized)
+void ViewProperties::setGroupedSorting(bool grouped)

 {
 {

-    if (m_node->categorizedSorting() != categorized) {
-        m_node->setCategorizedSorting(categorized);
-        updateTimeStamp();
+    if (m_node->groupedSorting() != grouped) {
+        m_node->setGroupedSorting(grouped);
+        update();

     }
 }
 
     }
 }
 

-bool ViewProperties::categorizedSorting() const
+bool ViewProperties::groupedSorting() const

 {
 {

-    return m_node->categorizedSorting();
+    return m_node->groupedSorting();

 }
 
 }
 

-bool ViewProperties::showHiddenFiles() const
+bool ViewProperties::hiddenFilesShown() const

 {
 {

-    return m_node->showHiddenFiles();
+    return m_node->hiddenFilesShown();

 }
 
 }
 

-void ViewProperties::setSorting(DolphinView::Sorting sorting)
+void ViewProperties::setSortRole(const QByteArray &role)

 {
 {

-    if (m_node->sorting() != sorting) {
-        m_node->setSorting(sorting);
-        updateTimeStamp();
+    if (m_node->sortRole() != role) {
+        m_node->setSortRole(role);
+        update();

     }
 }
 
     }
 }
 

-DolphinView::Sorting ViewProperties::sorting() const
+QByteArray ViewProperties::sortRole() const

 {
 {

-    return static_cast<DolphinView::Sorting>(m_node->sorting());
+    return m_node->sortRole().toLatin1();

 }
 
 void ViewProperties::setSortOrder(Qt::SortOrder sortOrder)
 {
     if (m_node->sortOrder() != sortOrder) {
         m_node->setSortOrder(sortOrder);
 }
 
 void ViewProperties::setSortOrder(Qt::SortOrder sortOrder)
 {
     if (m_node->sortOrder() != sortOrder) {
         m_node->setSortOrder(sortOrder);

-        updateTimeStamp();
+        update();

     }
 }
 
     }
 }
 


@@ -169,7 +260,7 @@ void ViewProperties::setSortFoldersFirst(bool foldersFirst)
 {
     if (m_node->sortFoldersFirst() != foldersFirst) {
         m_node->setSortFoldersFirst(foldersFirst);
 {
     if (m_node->sortFoldersFirst() != foldersFirst) {
         m_node->setSortFoldersFirst(foldersFirst);

-        updateTimeStamp();
+        update();

     }
 }
 
     }
 }
 


@@ -178,51 +269,129 @@ bool ViewProperties::sortFoldersFirst() const
     return m_node->sortFoldersFirst();
 }
 
     return m_node->sortFoldersFirst();
 }
 

-void ViewProperties::setAdditionalInfo(const KFileItemDelegate::InformationList& list)
+void ViewProperties::setSortHiddenLast(bool hiddenLast)

 {
 {

-    AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
-
-    int infoMask = 0;
-    foreach (KFileItemDelegate::Information currentInfo, list) {
-        infoMask = infoMask | infoAccessor.bitValue(currentInfo);
+    if (m_node->sortHiddenLast() != hiddenLast) {
+        m_node->setSortHiddenLast(hiddenLast);
+        update();

     }
     }

+}

 
 

-    const int encodedInfo = encodedAdditionalInfo(infoMask);
-    if (m_node->additionalInfo() != encodedInfo) {
-        m_node->setAdditionalInfo(encodedInfo);
-        updateTimeStamp();
-    }
+bool ViewProperties::sortHiddenLast() const
+{
+    return m_node->sortHiddenLast();

 }
 
 }
 

-KFileItemDelegate::InformationList ViewProperties::additionalInfo() const
+void ViewProperties::setVisibleRoles(const QList<QByteArray> &roles)

 {
 {

-    KFileItemDelegate::InformationList usedInfos;
+    if (roles == visibleRoles()) {
+        return;
+    }
+
+    // See ViewProperties::visibleRoles() for the storage format
+    // of the additional information.
+
+    // Remove the old values stored for the current view-mode
+    const QStringList oldVisibleRoles = m_node->visibleRoles();
+    const QString prefix = viewModePrefix();
+    QStringList newVisibleRoles = oldVisibleRoles;
+    for (int i = newVisibleRoles.count() - 1; i >= 0; --i) {
+        if (newVisibleRoles[i].startsWith(prefix)) {
+            newVisibleRoles.removeAt(i);
+        }
+    }
+
+    // Add the updated values for the current view-mode
+    newVisibleRoles.reserve(roles.count());
+    for (const QByteArray &role : roles) {
+        newVisibleRoles.append(prefix + role);
+    }

 
 

-    const int decodedInfo = decodedAdditionalInfo();
+    if (oldVisibleRoles != newVisibleRoles) {
+        const bool markCustomizedDetails = (m_node->viewMode() == DolphinView::DetailsView) && !newVisibleRoles.contains(CustomizedDetailsString);
+        if (markCustomizedDetails) {
+            // The additional information of the details-view has been modified. Set a marker,
+            // so that it is allowed to also show no additional information without doing the
+            // fallback to show the size and date per default.
+            newVisibleRoles.append(CustomizedDetailsString);
+        }

 
 

-    AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
-    const KFileItemDelegate::InformationList infos = infoAccessor.keys();
+        m_node->setVisibleRoles(newVisibleRoles);
+        update();
+    }
+}

 
 

-    foreach (const KFileItemDelegate::Information info, infos) {
-        if (decodedInfo & infoAccessor.bitValue(info)) {
-            usedInfos.append(info);
+QList<QByteArray> ViewProperties::visibleRoles() const
+{
+    // The shown additional information is stored for each view-mode separately as
+    // string with the view-mode as prefix. Example:
+    //
+    // AdditionalInfo=Details_size,Details_date,Details_owner,Icons_size
+    //
+    // To get the representation as QList<QByteArray>, the current
+    // view-mode must be checked and the values of this mode added to the list.
+    //
+    // For the details-view a special case must be respected: Per default the size
+    // and date should be shown without creating a .directory file. Only if
+    // the user explicitly has modified the properties of the details view (marked
+    // by "CustomizedDetails"), also a details-view with no additional information
+    // is accepted.
+
+    QList<QByteArray> roles{"text"};
+
+    // Iterate through all stored keys and append all roles that match to
+    // the current view mode.
+    const QString prefix = viewModePrefix();
+    const int prefixLength = prefix.length();
+
+    const QStringList visibleRoles = m_node->visibleRoles();
+    for (const QString &visibleRole : visibleRoles) {
+        if (visibleRole.startsWith(prefix)) {
+            const QByteArray role = visibleRole.right(visibleRole.length() - prefixLength).toLatin1();
+            if (role != "text") {
+                roles.append(role);
+            }

         }
     }
 
         }
     }
 

-    return usedInfos;
+    // For the details view the size and date should be shown per default
+    // until the additional information has been explicitly changed by the user
+    const bool useDefaultValues = roles.count() == 1 // "text"
+        && (m_node->viewMode() == DolphinView::DetailsView) && !visibleRoles.contains(CustomizedDetailsString);
+    if (useDefaultValues) {
+        roles.append("size");
+        roles.append("modificationtime");
+    }
+
+    return roles;
+}
+
+void ViewProperties::setHeaderColumnWidths(const QList<int> &widths)
+{
+    if (m_node->headerColumnWidths() != widths) {
+        m_node->setHeaderColumnWidths(widths);
+        update();
+    }

 }
 
 }
 

+QList<int> ViewProperties::headerColumnWidths() const
+{
+    return m_node->headerColumnWidths();
+}

 
 

-void ViewProperties::setDirProperties(const ViewProperties& props)
+void ViewProperties::setDirProperties(const ViewProperties &props)

 {
     setViewMode(props.viewMode());
 {
     setViewMode(props.viewMode());

-    setShowPreview(props.showPreview());
-    setShowHiddenFiles(props.showHiddenFiles());
-    setCategorizedSorting(props.categorizedSorting());
-    setSorting(props.sorting());
+    setPreviewsShown(props.previewsShown());
+    setHiddenFilesShown(props.hiddenFilesShown());
+    setGroupedSorting(props.groupedSorting());
+    setSortRole(props.sortRole());

     setSortOrder(props.sortOrder());
     setSortFoldersFirst(props.sortFoldersFirst());
     setSortOrder(props.sortOrder());
     setSortFoldersFirst(props.sortFoldersFirst());

-    setAdditionalInfo(props.additionalInfo());
+    setSortHiddenLast(props.sortHiddenLast());
+    setVisibleRoles(props.visibleRoles());
+    setHeaderColumnWidths(props.headerColumnWidths());
+    m_node->setVersion(props.m_node->version());

 }
 
 void ViewProperties::setAutoSaveEnabled(bool autoSave)
 }
 
 void ViewProperties::setAutoSaveEnabled(bool autoSave)


@@ -235,7 +404,7 @@ bool ViewProperties::isAutoSaveEnabled() const
     return m_autoSave;
 }
 
     return m_autoSave;
 }
 

-void ViewProperties::updateTimeStamp()
+void ViewProperties::update()

 {
     m_changedProps = true;
     m_node->setTimestamp(QDateTime::currentDateTime());
 {
     m_changedProps = true;
     m_node->setTimestamp(QDateTime::currentDateTime());


@@ -243,68 +412,141 @@ void ViewProperties::updateTimeStamp()
 
 void ViewProperties::save()
 {
 
 void ViewProperties::save()
 {

-    KStandardDirs::makeDir(m_filePath);
-    m_node->writeConfig();
+    qCDebug(DolphinDebug) << "Saving view-properties to" << m_filePath;
+    QDir dir;
+    dir.mkpath(m_filePath);
+    m_node->setVersion(CurrentViewPropertiesVersion);
+    m_node->save();

     m_changedProps = false;
 }
 
     m_changedProps = false;
 }
 

-KUrl ViewProperties::mirroredDirectory()
+bool ViewProperties::exist() const

 {
 {

-    QString basePath = KGlobal::mainComponent().componentName();
-    basePath.append("/view_properties/");
-    return KUrl(KStandardDirs::locateLocal("data", basePath));
+    const QString file = m_filePath + QDir::separator() + ViewPropertiesFileName;
+    return QFile::exists(file);

 }
 
 }
 

-QString ViewProperties::destinationDir(const QString& subDir) const
+QString ViewProperties::destinationDir(const QString &subDir) const

 {
 {

-    QString basePath = KGlobal::mainComponent().componentName();
-    basePath.append("/view_properties/").append(subDir);
-    return KStandardDirs::locateLocal("data", basePath);
+    QString path = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
+    path.append("/view_properties/").append(subDir);
+    return path;

 }
 
 }
 

-int ViewProperties::encodedAdditionalInfo(int info) const
+QString ViewProperties::viewModePrefix() const

 {
 {

-    int encodedInfo = m_node->additionalInfo();
+    QString prefix;

 
 

-    switch (viewMode()) {
-    case DolphinView::DetailsView:
-        encodedInfo = (encodedInfo & 0xFFFF00) | info;
-        break;
+    switch (m_node->viewMode()) {

     case DolphinView::IconsView:
     case DolphinView::IconsView:

-        encodedInfo = (encodedInfo & 0xFF00FF) | (info << 8);
+        prefix = QStringLiteral("Icons_");
+        break;
+    case DolphinView::CompactView:
+        prefix = QStringLiteral("Compact_");

         break;
         break;

-    case DolphinView::ColumnView:
-        encodedInfo = (encodedInfo & 0x00FFFF) | (info << 16);
+    case DolphinView::DetailsView:
+        prefix = QStringLiteral("Details_");

         break;
         break;

-    default: break;
+    default:
+        qCWarning(DolphinDebug) << "Unknown view-mode of the view properties";

     }
 
     }
 

-    return encodedInfo;
+    return prefix;

 }
 
 }
 

-int ViewProperties::decodedAdditionalInfo() const
+void ViewProperties::convertAdditionalInfo()

 {
 {

-    int decodedInfo = m_node->additionalInfo();
+    QStringList visibleRoles = m_node->visibleRoles();
+
+    const QStringList additionalInfo = m_node->additionalInfo();
+    if (!additionalInfo.isEmpty()) {
+        // Convert the obsolete values like Icons_Size, Details_Date, ...
+        // to Icons_size, Details_date, ... where the suffix just represents
+        // the internal role. One special-case must be handled: "LinkDestination"
+        // has been used for "destination".
+        visibleRoles.reserve(visibleRoles.count() + additionalInfo.count());
+        for (const QString &info : additionalInfo) {
+            QString visibleRole = info;
+            int index = visibleRole.indexOf('_');
+            if (index >= 0 && index + 1 < visibleRole.length()) {
+                ++index;
+                if (visibleRole[index] == QLatin1Char('L')) {
+                    visibleRole.replace(QLatin1String("LinkDestination"), QLatin1String("destination"));
+                } else {
+                    visibleRole[index] = visibleRole[index].toLower();
+                }
+            }
+            if (!visibleRoles.contains(visibleRole)) {
+                visibleRoles.append(visibleRole);
+            }
+        }
+    }

 
 

-    switch (viewMode()) {
-    case DolphinView::DetailsView:
-        decodedInfo = decodedInfo & 0xFF;
-        if (decodedInfo == 0) {
-            // A details view without any additional info makes no sense, hence
-            // provide at least a size-info and date-info as fallback
-            AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
-            decodedInfo = infoAccessor.bitValue(KFileItemDelegate::Size) |
-                          infoAccessor.bitValue(KFileItemDelegate::ModificationTime);
+    m_node->setAdditionalInfo(QStringList());
+    m_node->setVisibleRoles(visibleRoles);
+    m_node->setVersion(AdditionalInfoViewPropertiesVersion);
+    update();
+}
+
+void ViewProperties::convertNameRoleToTextRole()
+{
+    QStringList visibleRoles = m_node->visibleRoles();
+    for (int i = 0; i < visibleRoles.count(); ++i) {
+        if (visibleRoles[i].endsWith(QLatin1String("_name"))) {
+            const int leftLength = visibleRoles[i].length() - 5;
+            visibleRoles[i] = visibleRoles[i].left(leftLength) + "_text";

         }
         }

-        break;
-    case DolphinView::IconsView:
-        decodedInfo = (decodedInfo >> 8) & 0xFF;
-        break;
-    case DolphinView::ColumnView:
-        decodedInfo = (decodedInfo >> 16) & 0xFF;
-        break;
-    default: break;

     }
 
     }
 

-    return decodedInfo;
+    QString sortRole = m_node->sortRole();
+    if (sortRole == QLatin1String("name")) {
+        sortRole = QStringLiteral("text");
+    }
+
+    m_node->setVisibleRoles(visibleRoles);
+    m_node->setSortRole(sortRole);
+    m_node->setVersion(NameRolePropertiesVersion);
+    update();
+}
+
+void ViewProperties::convertDateRoleToModificationTimeRole()
+{
+    QStringList visibleRoles = m_node->visibleRoles();
+    for (int i = 0; i < visibleRoles.count(); ++i) {
+        if (visibleRoles[i].endsWith(QLatin1String("_date"))) {
+            const int leftLength = visibleRoles[i].length() - 5;
+            visibleRoles[i] = visibleRoles[i].left(leftLength) + "_modificationtime";
+        }
+    }
+
+    QString sortRole = m_node->sortRole();
+    if (sortRole == QLatin1String("date")) {
+        sortRole = QStringLiteral("modificationtime");
+    }
+
+    m_node->setVisibleRoles(visibleRoles);
+    m_node->setSortRole(sortRole);
+    m_node->setVersion(DateRolePropertiesVersion);
+    update();
+}
+
+bool ViewProperties::isPartOfHome(const QString &filePath)
+{
+    // For performance reasons cache the path in a static QString
+    // (see QDir::homePath() for more details)
+    static QString homePath;
+    if (homePath.isEmpty()) {
+        homePath = QDir::homePath();
+        Q_ASSERT(!homePath.isEmpty());
+    }
+
+    return filePath.startsWith(homePath);
+}
+
+QString ViewProperties::directoryHashForUrl(const QUrl &url)
+{
+    const QByteArray hashValue = QCryptographicHash::hash(url.toEncoded(), QCryptographicHash::Sha1);
+    QString hashString = hashValue.toBase64();
+    hashString.replace('/', '-');
+    return hashString;

 }
 }