Port Dolphin to Baloo

Nepomuk is being replaced with Baloo

3 files changed, 199 insertions, 216 deletions

diff --git a/src/kitemviews/private/kbaloorolesprovider.cpp b/src/kitemviews/private/kbaloorolesprovider.cpp
new file mode 100644
index 000000000..c0ae0c544
--- /dev/null
+++ b/src/kitemviews/private/kbaloorolesprovider.cpp
@@ -0,0 +1,184 @@
+/***************************************************************************
+ *   Copyright (C) 2012 by Peter Penz <[email protected]>             *
+ *   Copyright (C) 2013 by Vishesh Handa <[email protected]>                    *
+ *                                                                         *
+ *   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            *
+ ***************************************************************************/
+
+#include "kbaloorolesprovider.h"
+
+#include <KDebug>
+#include <KGlobal>
+#include <KLocale>
+
+#include <baloo/file.h>
+#include <kfilemetadata/propertyinfo.h>
+
+#include <QTime>
+#include <QMap>
+
+struct KBalooRolesProviderSingleton
+{
+    KBalooRolesProvider instance;
+};
+K_GLOBAL_STATIC(KBalooRolesProviderSingleton, s_balooRolesProvider)
+
+
+KBalooRolesProvider& KBalooRolesProvider::instance()
+{
+    return s_balooRolesProvider->instance;
+}
+
+KBalooRolesProvider::~KBalooRolesProvider()
+{
+}
+
+QSet<QByteArray> KBalooRolesProvider::roles() const
+{
+    return m_roles;
+}
+
+QHash<QByteArray, QVariant> KBalooRolesProvider::roleValues(const Baloo::File& file,
+                                                            const QSet<QByteArray>& roles) const
+{
+    QHash<QByteArray, QVariant> values;
+
+    int width = -1;
+    int height = -1;
+
+    QMapIterator<KFileMetaData::Property::Property, QVariant> it(file.properties());
+    while (it.hasNext()) {
+        it.next();
+
+        const KFileMetaData::PropertyInfo pi(it.key());
+        const QString property = pi.name();
+        const QByteArray role = roleForProperty(property);
+        if (role.isEmpty() || !roles.contains(role)) {
+            continue;
+        }
+
+        const QVariant value = it.value();
+
+        if (role == "imageSize") {
+            // Merge the two properties for width and height
+            // as one string into the "imageSize" role
+            if (property == QLatin1String("width")) {
+                width = value.toInt();
+            }
+            else if (property == QLatin1String("height")) {
+                height = value.toInt();
+            }
+
+            if (width >= 0 && height >= 0) {
+                QString widthAndHeight = QString::number(width);
+                widthAndHeight += QLatin1String(" x ");
+                widthAndHeight += QString::number(height);
+                values.insert(role, widthAndHeight);
+            }
+        } else if (role == "orientation") {
+            const QString orientation = orientationFromValue(value.toInt());
+            values.insert(role, orientation);
+        } else if (role == "duration") {
+            const QString duration = durationFromValue(value.toInt());
+            values.insert(role, duration);
+        } else {
+            values.insert(role, value.toString());
+        }
+    }
+
+    if (roles.contains("tags")) {
+        values.insert("tags", tagsFromValues(file.tags()));
+    }
+    if (roles.contains("rating")) {
+        values.insert("rating", QString::number(file.rating()));
+    }
+    if (roles.contains("comment")) {
+        values.insert("comment", file.userComment());
+    }
+
+    return values;
+}
+
+QByteArray KBalooRolesProvider::roleForProperty(const QString& property) const
+{
+    return m_roleForProperty.value(property);
+}
+
+KBalooRolesProvider::KBalooRolesProvider() :
+    m_roles(),
+    m_roleForProperty()
+{
+    struct PropertyInfo
+    {
+        const char* const property;
+        const char* const role;
+    };
+
+    // Mapping from the URIs to the KFileItemModel roles. Note that this must not be
+    // a 1:1 mapping: One role may contain several URI-values (e.g. the URIs for height and
+    // width of an image are mapped to the role "imageSize")
+    static const PropertyInfo propertyInfoList[] = {
+        { "rating", "rating" },
+        { "tag",        "tags" },
+        { "comment",   "comment" },
+        { "wordCount",     "wordCount" },
+        { "lineCount",     "lineCount" },
+        { "width",         "imageSize" },
+        { "height",        "imageSize" },
+        { "nexif.orientation", "orientation", },
+        { "artist",     "artist" },
+        { "album",    "album" },
+        { "duration",      "duration" },
+        { "trackNumber",   "track" }
+        // { "http://www.semanticdesktop.org/ontologies/2010/04/30/ndo#copiedFrom",    "copiedFrom" }
+    };
+
+    for (unsigned int i = 0; i < sizeof(propertyInfoList) / sizeof(PropertyInfo); ++i) {
+        m_roleForProperty.insert(propertyInfoList[i].property, propertyInfoList[i].role);
+        m_roles.insert(propertyInfoList[i].role);
+    }
+}
+
+QString KBalooRolesProvider::tagsFromValues(const QStringList& values) const
+{
+    return values.join(", ");
+}
+
+QString KBalooRolesProvider::orientationFromValue(int value) const
+{
+    QString string;
+    switch (value) {
+    case 1: string = i18nc("@item:intable Image orientation", "Unchanged"); break;
+    case 2: string = i18nc("@item:intable Image orientation", "Horizontally flipped"); break;
+    case 3: string = i18nc("@item:intable image orientation", "180° rotated"); break;
+    case 4: string = i18nc("@item:intable image orientation", "Vertically flipped"); break;
+    case 5: string = i18nc("@item:intable image orientation", "Transposed"); break;
+    case 6: string = i18nc("@item:intable image orientation", "90° rotated"); break;
+    case 7: string = i18nc("@item:intable image orientation", "Transversed"); break;
+    case 8: string = i18nc("@item:intable image orientation", "270° rotated"); break;
+    default:
+        break;
+    }
+    return string;
+}
+
+QString KBalooRolesProvider::durationFromValue(int value) const
+{
+    QTime duration;
+    duration = duration.addSecs(value);
+    return duration.toString("hh:mm:ss");
+}
+
diff --git a/src/kitemviews/private/knepomukrolesprovider.h b/src/kitemviews/private/kbaloorolesprovider.h
index 68a4027e1..f1ad5c740 100644
--- a/src/kitemviews/private/knepomukrolesprovider.h
+++ b/src/kitemviews/private/kbaloorolesprovider.h
@@ -1,5 +1,6 @@
 /***************************************************************************
  *   Copyright (C) 2012 by Peter Penz <[email protected]>             *
+ *   Copyright (C) 2013 by Vishesh Handa <[email protected]>                    *
  *                                                                         *
  *   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  *
@@ -17,8 +18,8 @@
  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  ***************************************************************************/
 
-#ifndef KNEPOMUKROLESPROVIDER_H
-#define KNEPOMUKROLESPROVIDER_H
+#ifndef KBALOO_ROLESPROVIDER_H
+#define KBALOO_ROLESPROVIDER_H
 
 #include <libdolphin_export.h>
 
@@ -26,25 +27,24 @@
 #include <QSet>
 #include <QUrl>
 
-namespace Nepomuk2
-{
-    class Resource;
+namespace Baloo {
+    class File;
 }
 
 /**
  * @brief Allows accessing metadata of a file by providing KFileItemModel roles.
  *
  * Is a helper class for KFileItemModelRolesUpdater to retrieve roles that
- * are only accessible with Nepomuk.
+ * are only accessible with Baloo.
  */
-class LIBDOLPHINPRIVATE_EXPORT KNepomukRolesProvider
+class LIBDOLPHINPRIVATE_EXPORT KBalooRolesProvider
 {
 public:
-    static KNepomukRolesProvider& instance();
-    virtual ~KNepomukRolesProvider();
+    static KBalooRolesProvider& instance();
+    virtual ~KBalooRolesProvider();
 
     /**
-     * @return Roles that can be provided by KNepomukRolesProvider.
+     * @return Roles that can be provided by KBalooRolesProvider.
      */
     QSet<QByteArray> roles() const;
 
@@ -52,13 +52,13 @@ public:
      * @return Values for the roles \a roles that can be determined from the file
      *         with the URL \a url.
      */
-    QHash<QByteArray, QVariant> roleValues(const Nepomuk2::Resource& resource,
+    QHash<QByteArray, QVariant> roleValues(const Baloo::File& file,
                                            const QSet<QByteArray>& roles) const;
 
-    QByteArray roleForPropertyUri(const QUrl& uri) const;
+    QByteArray roleForProperty(const QString& property) const;
 
 protected:
-    KNepomukRolesProvider();
+    KBalooRolesProvider();
 
 private:
     /**
@@ -81,9 +81,9 @@ private:
 
 private:
     QSet<QByteArray> m_roles;
-    QHash<QUrl, QByteArray> m_roleForUri;
+    QHash<QString, QByteArray> m_roleForProperty;
 
-    friend class KNepomukRolesProviderSingleton;
+    friend class KBalooRolesProviderSingleton;
 };
 
 #endif
diff --git a/src/kitemviews/private/knepomukrolesprovider.cpp b/src/kitemviews/private/knepomukrolesprovider.cpp
deleted file mode 100644
index e237f948f..000000000
--- a/src/kitemviews/private/knepomukrolesprovider.cpp
+++ /dev/null
@@ -1,201 +0,0 @@
-/***************************************************************************
- *   Copyright (C) 2012 by Peter Penz <[email protected]>             *
- *                                                                         *
- *   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            *
- ***************************************************************************/
-
-#include "knepomukrolesprovider.h"
-
-#include <KDebug>
-#include <KGlobal>
-#include <KLocale>
-
-#include <Nepomuk2/Resource>
-#include <Nepomuk2/Tag>
-#include <Nepomuk2/Types/Property>
-#include <Nepomuk2/Variant>
-
-#include <QTime>
-
-struct KNepomukRolesProviderSingleton
-{
-    KNepomukRolesProvider instance;
-};
-K_GLOBAL_STATIC(KNepomukRolesProviderSingleton, s_nepomukRolesProvider)
-
-
-KNepomukRolesProvider& KNepomukRolesProvider::instance()
-{
-    return s_nepomukRolesProvider->instance;
-}
-
-KNepomukRolesProvider::~KNepomukRolesProvider()
-{
-}
-
-QSet<QByteArray> KNepomukRolesProvider::roles() const
-{
-    return m_roles;
-}
-
-QHash<QByteArray, QVariant> KNepomukRolesProvider::roleValues(const Nepomuk2::Resource& resource,
-                                                              const QSet<QByteArray>& roles) const
-{
-    if (!resource.isValid()) {
-        return QHash<QByteArray, QVariant>();
-    }
-
-    QHash<QByteArray, QVariant> values;
-
-    int width = -1;
-    int height = -1;
-
-    QHashIterator<QUrl, Nepomuk2::Variant> it(resource.properties());
-    while (it.hasNext()) {
-        it.next();
-
-        const Nepomuk2::Types::Property property = it.key();
-        const QByteArray role = roleForPropertyUri(property.uri());
-        if (role.isEmpty() || !roles.contains(role)) {
-            continue;
-        }
-
-        const Nepomuk2::Variant value = it.value();
-
-        if (role == "imageSize") {
-            // Merge the two Nepomuk properties for width and height
-            // as one string into the "imageSize" role
-            const QString uri = property.uri().toString();
-            if (uri.endsWith(QLatin1String("#width"))) {
-                width = value.toInt();
-            } else if (uri.endsWith(QLatin1String("#height"))) {
-                height = value.toInt();
-            }
-
-            if (width >= 0 && height >= 0) {
-                const QString widthAndHeight = QString::number(width) +
-                                               QLatin1String(" x ") +
-                                               QString::number(height);
-                values.insert(role, widthAndHeight);
-            }
-        } else if (role == "tags") {
-            const QString tags = tagsFromValues(value.toStringList());
-            values.insert(role, tags);
-        } else if (role == "orientation") {
-            const QString orientation = orientationFromValue(value.toInt());
-            values.insert(role, orientation);
-        } else if (role == "duration") {
-            const QString duration = durationFromValue(value.toInt());
-            values.insert(role, duration);
-        } else if (value.isResource()) {
-            const Nepomuk2::Resource resource = value.toResource();
-            values.insert(role, resource.genericLabel());
-        } else if (value.isResourceList()) {
-            const QList<Nepomuk2::Resource> resList = value.toResourceList();
-            QStringList strList;
-            foreach (const Nepomuk2::Resource& res, resList) {
-                strList << res.genericLabel();
-            }
-            values.insert(role, strList.join(QLatin1String(", ")));
-        } else {
-            values.insert(role, value.toString());
-        }
-    }
-
-    return values;
-}
-
-QByteArray KNepomukRolesProvider::roleForPropertyUri(const QUrl& uri) const
-{
-    return m_roleForUri.value(uri);
-}
-
-KNepomukRolesProvider::KNepomukRolesProvider() :
-    m_roles(),
-    m_roleForUri()
-{
-    struct UriInfo
-    {
-        const char* const uri;
-        const char* const role;
-    };
-
-    // Mapping from the URIs to the KFileItemModel roles. Note that this must not be
-    // a 1:1 mapping: One role may contain several URI-values (e.g. the URIs for height and
-    // width of an image are mapped to the role "imageSize")
-    static const UriInfo uriInfoList[] = {
-        { "http://www.semanticdesktop.org/ontologies/2007/08/15/nao#numericRating", "rating" },
-        { "http://www.semanticdesktop.org/ontologies/2007/08/15/nao#hasTag",        "tags" },
-        { "http://www.semanticdesktop.org/ontologies/2007/08/15/nao#description",   "comment" },
-        { "http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#wordCount",     "wordCount" },
-        { "http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#lineCount",     "lineCount" },
-        { "http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#width",         "imageSize" },
-        { "http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#height",        "imageSize" },
-        { "http://www.semanticdesktop.org/ontologies/2007/05/10/nexif#orientation", "orientation", },
-        { "http://www.semanticdesktop.org/ontologies/2009/02/19/nmm#performer",     "artist" },
-        { "http://www.semanticdesktop.org/ontologies/2009/02/19/nmm#musicAlbum",    "album" },
-        { "http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#duration",      "duration" },
-        { "http://www.semanticdesktop.org/ontologies/2009/02/19/nmm#trackNumber",   "track" },
-        { "http://www.semanticdesktop.org/ontologies/2010/04/30/ndo#copiedFrom",    "copiedFrom" }
-    };
-
-    for (unsigned int i = 0; i < sizeof(uriInfoList) / sizeof(UriInfo); ++i) {
-        m_roleForUri.insert(QUrl(uriInfoList[i].uri), uriInfoList[i].role);
-        m_roles.insert(uriInfoList[i].role);
-    }
-}
-
-QString KNepomukRolesProvider::tagsFromValues(const QStringList& values) const
-{
-    QString tags;
-
-    for (int i = 0; i < values.count(); ++i) {
-        if (i > 0) {
-            tags.append(QLatin1String(", "));
-        }
-
-        const Nepomuk2::Tag tag(values[i]);
-        tags += tag.genericLabel();
-    }
-
-    return tags;
-}
-
-QString KNepomukRolesProvider::orientationFromValue(int value) const
-{
-    QString string;
-    switch (value) {
-    case 1: string = i18nc("@item:intable Image orientation", "Unchanged"); break;
-    case 2: string = i18nc("@item:intable Image orientation", "Horizontally flipped"); break;
-    case 3: string = i18nc("@item:intable image orientation", "180° rotated"); break;
-    case 4: string = i18nc("@item:intable image orientation", "Vertically flipped"); break;
-    case 5: string = i18nc("@item:intable image orientation", "Transposed"); break;
-    case 6: string = i18nc("@item:intable image orientation", "90° rotated"); break;
-    case 7: string = i18nc("@item:intable image orientation", "Transversed"); break;
-    case 8: string = i18nc("@item:intable image orientation", "270° rotated"); break;
-    default:
-        break;
-    }
-    return string;
-}
-
-QString KNepomukRolesProvider::durationFromValue(int value) const
-{
-    QTime duration;
-    duration = duration.addSecs(value);
-    return duration.toString("hh:mm:ss");
-}
-