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unity8/qml/Greeter/Greeter.qml
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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 */
17import QtQuick 2.0
18import Ubuntu.Components 0.1
19import Ubuntu.Gestures 0.1
20import LightDM 0.1 as LightDM
21import "../Components"
23Showable {
24 id: greeter
25 enabled: shown
26 created: greeterContentLoader.status == Loader.Ready && greeterContentLoader.item.ready
28 property url defaultBackground
30 // 1 when fully shown and 0 when fully hidden
31 property real showProgress: MathUtils.clamp((width + x) / width, 0, 1)
33 showAnimation: StandardAnimation { property: "x"; to: 0 }
34 hideAnimation: StandardAnimation { property: "x"; to: -width }
36 property alias dragHandleWidth: dragHandle.width
37 property alias model: greeterContentLoader.model
38 property bool locked: shown && !LightDM.Greeter.promptless
40 readonly property bool narrowMode: !multiUser && height > width
41 readonly property bool multiUser: LightDM.Users.count > 1
43 readonly property bool leftTeaserPressed: greeterContentLoader.status == Loader.Ready &&
44 greeterContentLoader.item.leftTeaserPressed
45 readonly property bool rightTeaserPressed: greeterContentLoader.status == Loader.Ready &&
46 greeterContentLoader.item.rightTeaserPressed
48 readonly property int currentIndex: greeterContentLoader.currentIndex
50 signal selected(int uid)
51 signal unlocked(int uid)
53 onRightTeaserPressedChanged: {
54 if (rightTeaserPressed && (!locked || narrowMode) && x == 0) {
55 teasingTimer.start();
56 }
57 }
59 Loader {
60 id: greeterContentLoader
61 objectName: "greeterContentLoader"
62 anchors.fill: parent
63 property var model: LightDM.Users
64 property int currentIndex: 0
65 property var infographicModel: LightDM.Infographic
66 readonly property int backgroundTopMargin: -greeter.y
68 source: required ? "GreeterContent.qml" : ""
70 onLoaded: {
71 selected(currentIndex);
72 }
74 Connections {
75 target: greeterContentLoader.item
77 onSelected: {
78 greeter.selected(uid);
79 greeterContentLoader.currentIndex = uid;
80 }
81 onUnlocked: greeter.unlocked(uid);
82 }
83 }
85 Timer {
86 id: teasingTimer
87 interval: 200
88 }
90 states: [
91 State {
92 name: "teasing"
93 when: teasingTimer.running
94 PropertyChanges {
95 target: greeter
96 x: -dragHandle.hintDisplacement
97 }
98 }
99 ]
100 transitions: [
101 Transition {
102 from: "*"
103 to: "*"
104 NumberAnimation {
105 target: greeter
106 property: "x"
107 duration: 300
108 easing.type: Easing.OutCubic
109 }
110 }
111 ]
113 DragHandle {
114 id: dragHandle
116 anchors.top: parent.top
117 anchors.bottom: parent.bottom
118 anchors.right: parent.right
120 hintDisplacement: units.gu(2)
122 enabled: greeter.narrowMode || !greeter.locked
124 direction: Direction.Leftwards
125 }