Unity 8
PreviewProgress.qml
1 /*
2  * Copyright (C) 2014 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.implicitHeight
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  implicitHeight: units.gu(4)
41  height: parent.height
42  width: (root.width - units.gu(1)) / 2
43 
44  property var source: widgetData["source"]
45  // TODO Eventually we will need to support more sources other
46  // than DownloadTracker via dbus so we'll need a Loader based on source contents
47 
48  DownloadTracker {
49  service: progressBar.source["dbus-name"] || ""
50  dbusPath: progressBar.source["dbus-object"] || ""
51 
52  onProgress: {
53  if (total <= 0) {
54  progressBar.indeterminate = true;
55  } else {
56  progressBar.indeterminate = false;
57  var percentage = parseInt(received * 100 / total);
58  progressBar.value = percentage;
59  }
60  }
61 
62  onFinished: {
63  root.triggered(widgetId, "finished", widgetData)
64  }
65 
66  onError: {
67  root.triggered(widgetId, "failed", widgetData)
68  }
69  }
70  }
71 }