Unity 8
PreviewProgress.qml
1 /*
2  * Copyright (C) 2014-2016 Canonical, Ltd.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; version 3.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 import QtQuick 2.4
18 import Ubuntu.Components 1.3
19 import Ubuntu.DownloadDaemonListener 0.1
20 
21 /*! \brief Preview widget for a progress bar.
22  *
23  * It feeds itself from the source determined in widgetData["source"]
24  * At the moment we only support the dbus source defined
25  * by source["dbus-name"] and source["dbus-object"]
26  */
27 
28 PreviewWidget {
29  id: root
30 
31  implicitHeight: progressBar.height
32  implicitWidth: progressBar.implicitWidth
33 
34  ProgressBar {
35  id: progressBar
36  objectName: "progressBar"
37  anchors.right: parent.right
38  value: 0
39  maximumValue: 100
40  height: units.gu(4)
41  width: (root.width - units.gu(1)) / 2
42 
43  property var source: widgetData["source"]
44  // TODO Eventually we will need to support more sources other
45  // than DownloadTracker via dbus so we'll need a Loader based on source contents
46 
47  DownloadTracker {
48  service: progressBar.source["dbus-name"] || ""
49  dbusPath: progressBar.source["dbus-object"] || ""
50 
51  onProgress: {
52  if (total <= 0) {
53  progressBar.indeterminate = true;
54  } else {
55  progressBar.indeterminate = false;
56  var percentage = parseInt(received * 100 / total);
57  progressBar.value = percentage;
58  }
59  }
60 
61  onProcessing: {
62  progressBar.indeterminate = true;
63  }
64 
65  onFinished: {
66  root.triggered(widgetId, "finished", widgetData)
67  }
68 
69  onError: {
70  root.triggered(widgetId, "failed", widgetData)
71  }
72  }
73  }
74 }