2 * Copyright (C) 2013-2014 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 "../Components"
19 import Ubuntu.Components 0.1
20 import Ubuntu.Gestures 0.1
21 import Unity.Launcher 0.1
26 property bool autohideEnabled: false
27 property bool available: true // can be used to disable all interactions
28 property alias inverted: panel.inverted
29 property bool shadeBackground: true // can be used to disable background shade when launcher is visible
31 property int panelWidth: units.gu(8)
32 property int dragAreaWidth: units.gu(1)
33 property int minimizeDistance: units.gu(26)
34 property real progress: dragArea.dragging && dragArea.touchX > panelWidth ?
35 (width * (dragArea.touchX-panelWidth) / (width - panelWidth)) : 0
37 readonly property bool dragging: dragArea.dragging
38 readonly property real dragDistance: dragArea.dragging ? dragArea.touchX : 0
39 readonly property real visibleWidth: panel.width + panel.x
41 readonly property bool shown: panel.x > -panel.width
43 // emitted when an application is selected
44 signal launcherApplicationSelected(string appId)
46 // emitted when the apps dash should be shown because of a swipe gesture
49 // emitted when the dash icon in the launcher has been tapped
56 dismissTimer.restart()
65 fadeOutAnimation.start();
68 function switchToNextState(state) {
69 animateTimer.nextState = state
74 if (available && !dragArea.dragging) {
75 teaseTimer.mode = "teasing"
81 if (available && root.state == "") {
82 teaseTimer.mode = "hinting"
89 interval: mode == "teasing" ? 200 : 300
90 property string mode: "teasing"
95 objectName: "dismissTimer"
98 if (root.autohideEnabled) {
99 if (!panel.preventHiding) {
102 dismissTimer.restart()
108 // Because the animation on x is disabled while dragging
109 // switching state directly in the drag handlers would not animate
110 // the completion of the hide/reveal gesture. Lets update the state
111 // machine and switch to the final state in the next event loop run
114 objectName: "animateTimer"
116 property string nextState: ""
118 // switching to an intermediate state here to make sure all the
119 // values are restored, even if we were already in the target state
121 root.state = nextState
126 target: LauncherModel
132 onLanguageChanged: LauncherModel.refresh()
135 SequentialAnimation {
139 panel.layer.enabled = true
142 UbuntuNumberAnimation {
145 easing.type: Easing.InQuad
150 panel.layer.enabled = false
151 panel.animate = false;
153 panel.x = -panel.width
155 panel.animate = true;
162 enabled: root.available && root.state == "visible"
164 anchors.rightMargin: -units.gu(2)
172 if (panel.x < -panel.width/3) {
173 root.switchToNextState("")
175 root.switchToNextState("visible")
183 left: launcherDragArea.right
186 bottom: parent.bottom
188 enabled: root.shadeBackground && root.state == "visible"
198 opacity: root.shadeBackground && root.state == "visible" ? 0.6 : 0
200 Behavior on opacity { NumberAnimation { duration: UbuntuAnimation.BriskDuration } }
205 objectName: "launcherPanel"
206 enabled: root.available && root.state == "visible"
207 width: root.panelWidth
210 bottom: parent.bottom
213 visible: root.x > 0 || x > -width || dragArea.status === DirectionalDragArea.Undecided
216 property bool animate: true
218 onApplicationSelected: {
220 launcherApplicationSelected(appId)
227 onPreventHidingChanged: {
228 if (dismissTimer.running) {
229 dismissTimer.restart();
234 enabled: !dragArea.dragging && !launcherDragArea.drag.active && panel.animate;
237 easing.type: Easing.OutCubic
241 Behavior on opacity {
243 duration: UbuntuAnimation.FastDuration; easing.type: Easing.OutCubic
250 objectName: "launcherDragArea"
252 direction: Direction.Rightwards
254 enabled: root.available
255 x: -root.x // so if launcher is adjusted relative to screen, we stay put (like tutorial does when teasing)
256 width: root.dragAreaWidth
260 if (status !== DirectionalDragArea.Recognized || launcher.state == "visible")
263 // When the gesture finally gets recognized, the finger will likely be
264 // reasonably far from the edge. If we made the panel immediately
265 // follow the finger position it would be visually unpleasant as it
266 // would appear right next to the user's finger out of nowhere.
267 // Instead, we make the panel go towards the user's finger in several
268 // steps. ie., in an animated way.
269 var targetPanelX = Math.min(0, touchX - panel.width) - root.x
270 var delta = targetPanelX - panel.x
271 // the trick is not to go all the way (1.0) as it would cause a sudden jump
272 panel.x += 0.4 * delta
277 if (distance > panel.width / 2) {
278 root.switchToNextState("visible")
279 if (distance > minimizeDistance) {
283 root.switchToNextState("")
291 name: "" // hidden state. Must be the default state ("") because "when:" falls back to this.
301 x: -root.x // so we never go past panelWidth, even when teased by tutorial
306 when: teaseTimer.running && teaseTimer.mode == "teasing"
309 x: -root.panelWidth + units.gu(2)
314 when: teaseTimer.running && teaseTimer.mode == "hinting"