Unity 8
 All Classes Functions
GreeterContent.qml
1 /*
2  * Copyright (C) 2013 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 2.0
18 import AccountsService 0.1
19 import Ubuntu.Components 0.1
20 import LightDM 0.1 as LightDM
21 import "../Components"
22 
23 Item {
24  id: root
25  anchors.fill: parent
26 
27  property bool ready: background.source == "" || background.status == Image.Ready || background.status == Image.Error
28 
29  signal selected(int uid)
30  signal unlocked(int uid)
31 
32  Rectangle {
33  // In case background fails to load
34  id: backgroundBackup
35  anchors.fill: parent
36  color: "black"
37  }
38 
39  property url backgroundValue: AccountsService.backgroundFile != undefined && AccountsService.backgroundFile.length > 0 ? AccountsService.backgroundFile : greeter.defaultBackground
40  onBackgroundValueChanged: background.source = backgroundValue
41 
42  CrossFadeImage {
43  id: background
44  objectName: "greeterBackground"
45  anchors {
46  fill: parent
47  topMargin: backgroundTopMargin
48  }
49  fillMode: Image.PreserveAspectCrop
50  }
51 
52  // See Shell.qml's backgroundSettings treatment for why we need a separate
53  // Image, but it boils down to avoiding binding loop detection.
54  Image {
55  source: background.source
56  height: 0
57  width: 0
58  sourceSize.height: 0
59  sourceSize.width: 0
60  onStatusChanged: {
61  if (status == Image.Error && source != greeter.defaultBackground) {
62  background.source = greeter.defaultBackground
63  }
64  }
65  }
66 
67  Rectangle {
68  anchors.fill: parent
69  color: "black"
70  opacity: 0.4
71  }
72 
73  Loader {
74  id: loginLoader
75  objectName: "loginLoader"
76  anchors {
77  left: parent.left
78  leftMargin: Math.min(parent.width * 0.16, units.gu(20))
79  verticalCenter: parent.verticalCenter
80  }
81  width: units.gu(29)
82  height: parent.height
83 
84  // TODO: Once we have a system API for determining which mode we are
85  // in, tablet/phone/desktop, that should be used instead of narrowMode.
86  source: greeter.narrowMode ? "" : "LoginList.qml"
87 
88  onLoaded: {
89  item.currentIndex = greeterContentLoader.currentIndex;
90  }
91 
92  Binding {
93  target: loginLoader.item
94  property: "model"
95  value: greeterContentLoader.model
96  }
97 
98  Connections {
99  target: loginLoader.item
100 
101  onSelected: {
102  root.selected(uid);
103  }
104 
105  onUnlocked: {
106  root.unlocked(uid);
107  }
108 
109  onCurrentIndexChanged: {
110  if (greeterContentLoader.currentIndex !== loginLoader.item.currentIndex) {
111  greeterContentLoader.currentIndex = loginLoader.item.currentIndex;
112  }
113  }
114  }
115  }
116 
117  Infographics {
118  id: infographics
119  objectName: "infographics"
120  height: narrowMode ? parent.height : 0.75 * parent.height
121  model: greeterContentLoader.infographicModel
122 
123  property string selectedUser
124  property string infographicUser: AccountsService.statsWelcomeScreen ? selectedUser : ""
125  onInfographicUserChanged: greeterContentLoader.infographicModel.username = infographicUser
126 
127  Component.onCompleted: {
128  selectedUser = greeterContentLoader.model.data(greeterContentLoader.currentIndex, LightDM.UserRoles.NameRole)
129  greeterContentLoader.infographicModel.username = infographicUser
130  greeterContentLoader.infographicModel.readyForDataChange()
131  }
132 
133  Connections {
134  target: root
135  onSelected: infographics.selectedUser = greeterContentLoader.model.data(uid, LightDM.UserRoles.NameRole)
136  }
137 
138  anchors {
139  verticalCenter: parent.verticalCenter
140  left: narrowMode ? root.left : loginLoader.right
141  right: root.right
142  }
143  }
144 
145  Clock {
146  id: clock
147  visible: narrowMode
148 
149  anchors {
150  top: parent.top
151  topMargin: units.gu(2)
152  horizontalCenter: parent.horizontalCenter
153  }
154  }
155 }