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layout: Allow multiple barriers to contribute to a PressureBarrier

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For the HotCorner case, we want to have to barriers both contribute
to the hot corner pressure, so we can't simply wrap the pressure
barrier.
This commit is contained in:
Jasper St. Pierre 2013-03-01 14:57:38 -05:00
parent 337d2da38a
commit 194574bb0e
1 changed files with 49 additions and 34 deletions
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83
js/ui/layout.js
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@ -191,6 +191,7 @@ const LayoutManager = new Lang.Class({
this.trayBox = new St.Widget({ name: 'trayBox',
layout_manager: new Clutter.BinLayout() });
this.addChrome(this.trayBox);
this._setupTrayPressure();
this.keyboardBox = new St.BoxLayout({ name: 'keyboardBox',
reactive: true,
@ -423,26 +424,8 @@ const LayoutManager = new Lang.Class({
}
},
_updateTrayBarrier: function() {
let monitor = this.bottomMonitor;
if (this._trayBarrier) {
this._trayBarrier.destroy();
this._trayBarrier = null;
}
if (this._trayPressure) {
this._trayPressure.destroy();
this._trayPressure = null;
}
this._trayBarrier = new Meta.Barrier({ display: global.display,
x1: monitor.x, x2: monitor.x + monitor.width,
y1: monitor.y + monitor.height, y2: monitor.y + monitor.height,
directions: Meta.BarrierDirection.NEGATIVE_Y });
this._trayPressure = new PressureBarrier(this._trayBarrier,
MESSAGE_TRAY_PRESSURE_THRESHOLD,
_setupTrayPressure: function() {
this._trayPressure = new PressureBarrier(MESSAGE_TRAY_PRESSURE_THRESHOLD,
MESSAGE_TRAY_PRESSURE_TIMEOUT,
Shell.KeyBindingMode.NORMAL |
Shell.KeyBindingMode.OVERVIEW);
@ -452,6 +435,22 @@ const LayoutManager = new Lang.Class({
});
},
_updateTrayBarrier: function() {
let monitor = this.bottomMonitor;
if (this._trayBarrier) {
this._trayPressure.removeBarrier(this._trayBarrier);
this._trayBarrier.destroy();
this._trayBarrier = null;
}
this._trayBarrier = new Meta.Barrier({ display: global.display,
x1: monitor.x, x2: monitor.x + monitor.width,
y1: monitor.y + monitor.height, y2: monitor.y + monitor.height,
directions: Meta.BarrierDirection.NEGATIVE_Y });
this._trayPressure.addBarrier(this._trayBarrier);
},
_trayBarrierEventFilter: function(event) {
// Throw out all events where the pointer was grabbed by another
// client, as the client that grabbed the pointer expects to have
@ -1273,25 +1272,37 @@ const HotCorner = new Lang.Class({
const PressureBarrier = new Lang.Class({
Name: 'PressureBarrier',
_init: function(barrier, threshold, timeout, keybindingMode) {
this._barrier = barrier;
_init: function(threshold, timeout, keybindingMode) {
this._threshold = threshold;
this._timeout = timeout;
this._keybindingMode = keybindingMode;
this._orientation = (barrier.y1 == barrier.y2) ? Clutter.Orientation.HORIZONTAL : Clutter.Orientation.VERTICAL;
this._barriers = [];
this._eventFilter = null;
this._isTriggered = false;
this._reset();
},
this._barrierHitId = this._barrier.connect('hit', Lang.bind(this, this._onBarrierHit));
this._barrierLeftId = this._barrier.connect('left', Lang.bind(this, this._onBarrierLeft));
addBarrier: function(barrier) {
barrier._pressureHitId = barrier.connect('hit', Lang.bind(this, this._onBarrierHit));
barrier._pressureLeftId = barrier.connect('left', Lang.bind(this, this._onBarrierLeft));
this._barriers.push(barrier);
},
_disconnectBarrier: function(barrier) {
barrier.disconnect(barrier._pressureHitId);
barrier.disconnect(barrier._pressureLeftId);
},
removeBarrier: function(barrier) {
this._disconnectBarrier(barrier);
this._barriers.splice(this._barriers.indexOf(barrier), 1);
},
destroy: function() {
this._barrier.disconnect(this._barrierHitId);
this._barrier.disconnect(this._barrierLeftId);
this._barrier = null;
this._barriers.forEach(Lang.bind(this, this._disconnectBarrier));
this._barriers = [];
},
setEventFilter: function(filter) {
@ -1304,15 +1315,19 @@ const PressureBarrier = new Lang.Class({
this._lastTime = 0;
},
_getDistanceAcrossBarrier: function(event) {
if (this._orientation == Clutter.Orientation.HORIZONTAL)
_isHorizontal: function(barrier) {
return barrier.y1 == barrier.y2;
},
_getDistanceAcrossBarrier: function(barrier, event) {
if (this._isHorizontal(barrier))
return Math.abs(event.dy);
else
return Math.abs(event.dx);
},
_getDistanceAlongBarrier: function(event) {
if (this._orientation == Clutter.Orientation.HORIZONTAL)
_getDistanceAlongBarrier: function(barrier, event) {
if (this._isHorizontal(barrier))
return Math.abs(event.dx);
else
return Math.abs(event.dy);
@ -1366,8 +1381,8 @@ const PressureBarrier = new Lang.Class({
if (!(this._keybindingMode & Main.keybindingMode))
return;
let slide = this._getDistanceAlongBarrier(event);
let distance = this._getDistanceAcrossBarrier(event);
let slide = this._getDistanceAlongBarrier(barrier, event);
let distance = this._getDistanceAcrossBarrier(barrier, event);
if (distance >= this._threshold) {
this._trigger();