Local RPMs: Replace QTSparql with QtDocGallery (#462)

Because libqtsparql's QML API was dropped from Sailfish OS 4.5.0.

qml/pages/LocalRpmsPage.qml

@@ -1,24 +1,29 @@
 import QtQuick 2.0
 import Sailfish.Silica 1.0
-import QtSparql 1.0
+import QtDocGallery 5.0
 import harbour.orn 1.0
 
 Page {
  // Duplicate count property because items are not really deleted from the model
  property int _count: 0
 
- readonly property bool _ready: page.status === PageStatus.Active && queryModel.status === SparqlListModel.Ready
+ readonly property bool _ready: page.status === PageStatus.Active && (queryModel.status === DocumentGalleryModel.Idle || queryModel.status === DocumentGalleryModel.Finished)
 
  on_ReadyChanged: _ready && (_count = queryModel.count)
 
  id: page
  allowedOrientations: defaultAllowedOrientations
 
- SparqlListModel {
+ DocumentGalleryModel {
  id: queryModel
- query: "SELECT strafter(nie:url(?r), 'file://') as ?filePath WHERE { ?r nie:mimeType 'application/x-rpm' }"
- connection: SparqlConnection {
- driver: "QTRACKER_DIRECT"
+ properties: ["fileName", "filePath"]
+ sortProperties: ["+fileName"]
+ rootType: DocumentGallery.File
+ filter: GalleryFilterUnion {
+ filters: [
+ GalleryEqualsFilter { property: "fileExtension"; value: "rpm" },
+ GalleryEqualsFilter { property: "fileExtension"; value: "RPM" }
+ ]
  }
  }