2 * Copyright (C) 2013 Canonical, Ltd.
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.
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.
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/>.
18 import Ubuntu.Components 0.1
19 import Ubuntu.Gestures 0.1
20 import LightDM 0.1 as LightDM
21 import "../Components"
26 created: greeterContentLoader.status == Loader.Ready && greeterContentLoader.item.ready
28 property url defaultBackground
29 property bool loadContent: required
31 // 1 when fully shown and 0 when fully hidden
32 property real showProgress: MathUtils.clamp((width - Math.abs(x)) / width, 0, 1)
34 showAnimation: StandardAnimation { property: "x"; to: 0; duration: UbuntuAnimation.FastDuration }
35 hideAnimation: __leftHideAnimation
37 property alias dragHandleWidth: dragHandle.width
38 property alias model: greeterContentLoader.model
39 property bool locked: shown && !LightDM.Greeter.promptless
41 readonly property bool narrowMode: !multiUser && height > width
42 readonly property bool multiUser: LightDM.Users.count > 1
44 readonly property int currentIndex: greeterContentLoader.currentIndex
46 property var __leftHideAnimation: StandardAnimation { property: "x"; to: -width }
47 property var __rightHideAnimation: StandardAnimation { property: "x"; to: width }
49 signal selected(int uid)
50 signal unlocked(int uid)
53 function hideRight() {
55 hideAnimation = __rightHideAnimation
61 // Reset hide animation to default once we're finished with it
63 // Reset hide animation so that a hide() call is reliably left
64 hideAnimation = __leftHideAnimation
68 // Bi-directional revealer
72 enabled: (greeter.narrowMode || !greeter.locked) && greeter.enabled && greeter.shown
73 orientation: Qt.Horizontal
74 propagateComposedEvents: true
76 Component.onCompleted: {
77 // set evaluators to baseline of dragValue == 0
79 rightEvaluator.reset()
82 function maybeTease() {
83 if (!greeter.locked || greeter.narrowMode)
87 onClicked: maybeTease()
88 onDragStart: maybeTease()
89 onPressAndHold: {} // eat event, but no need to tease, as drag will cover it
92 if (greeter.x > 0 && rightEvaluator.shouldAutoComplete()) {
94 } else if (greeter.x < 0 && leftEvaluator.shouldAutoComplete()) {
97 greeter.show(); // undo drag
101 onDragValueChanged: {
102 // dragValue is kept as a "step" value since we do this x adjusting on the fly
103 greeter.x += dragValue
108 trackedPosition: dragHandle.dragValue + greeter.x
109 maxDragDistance: parent.width
110 direction: Direction.Rightwards
115 trackedPosition: dragHandle.dragValue + greeter.x
116 maxDragDistance: parent.width
117 direction: Direction.Leftwards
122 id: greeterContentLoader
123 objectName: "greeterContentLoader"
125 property var model: LightDM.Users
126 property int currentIndex: 0
127 property var infographicModel: LightDM.Infographic
128 readonly property int backgroundTopMargin: -greeter.y
130 source: loadContent ? "GreeterContent.qml" : ""
133 selected(currentIndex);
137 target: greeterContentLoader.item
140 greeter.selected(uid);
141 greeterContentLoader.currentIndex = uid;
143 onUnlocked: greeter.unlocked(uid);
147 onTease: showLabelAnimation.start()
151 visible: greeter.shown
152 property real baseOpacity: 0.5
154 anchors.horizontalCenter: parent.horizontalCenter
155 anchors.bottom: parent.bottom
156 anchors.bottomMargin: units.gu(5)
157 text: i18n.tr("Swipe to unlock")
159 font.weight: Font.Light
161 SequentialAnimation on opacity {
162 id: showLabelAnimation
168 to: swipeHint.baseOpacity
169 duration: UbuntuAnimation.SleepyDuration
171 PauseAnimation { duration: UbuntuAnimation.BriskDuration }
173 from: swipeHint.baseOpacity
175 duration: UbuntuAnimation.SleepyDuration
182 anchors.left: parent.right
183 anchors.top: parent.top
184 anchors.bottom: parent.bottom
185 visible: parent.required
187 source: "../graphics/dropshadow_right.png"
192 anchors.right: parent.left
193 anchors.top: parent.top
194 anchors.bottom: parent.bottom
195 visible: parent.required
197 source: "../graphics/dropshadow_left.png"