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layout: Add a fake root pixmap actor at startup, and fade it out

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This provides us with a smooth transition between plymouth and gdm.

https://bugzilla.gnome.org/show_bug.cgi?id=682428
This commit is contained in:
Jasper St. Pierre
2012-08-22 04:22:30 -03:00
committed by Florian Müllner
parent e7a2e1f268
commit 5e12e5f42a
3 changed files with 76 additions and 1 deletions
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35
js/ui/layout.js
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@ -17,6 +17,7 @@ const Tweener = imports.ui.tweener;
const HOT_CORNER_ACTIVATION_TIMEOUT = 0.5;
const STARTUP_ANIMATION_TIME = 0.2;
const KEYBOARD_ANIMATION_TIME = 0.5;
const PLYMOUTH_TRANSITION_TIME = 1;
const MonitorConstraint = new Lang.Class({
Name: 'MonitorConstraint',
@ -100,6 +101,7 @@ const LayoutManager = new Lang.Class({
this.primaryMonitor = null;
this.primaryIndex = -1;
this._hotCorners = [];
this._rootPixmap = null;
this._leftPanelBarrier = 0;
this._rightPanelBarrier = 0;
this._trayBarrier = 0;
@ -319,10 +321,41 @@ const LayoutManager = new Lang.Class({
},
_startupAnimation: function() {
this.panelBox.anchor_y = this.panelBox.height;
let plymouthTransitionRunning = false;
// If we're the greeter, put up the xrootpmap actor
// and fade it out to have a nice transition from plymouth
// to the greeter. Otherwise, we'll just animate the panel,
// as usual.
if (Main.sessionMode.isGreeter) {
this._rootPixmap = global.create_xrootpmap_texture();
if (this._rootPixmap != null) {
Main.uiGroup.add_actor(this._rootPixmap);
Tweener.addTween(this._rootPixmap,
{ opacity: 0,
time: PLYMOUTH_TRANSITION_TIME,
transition: 'linear',
onComplete: this._fadeRootpmapComplete,
onCompleteScope: this });
plymouthTransitionRunning = true;
}
}
if (!plymouthTransitionRunning)
this._fadeRootpmapComplete();
},
_fadeRootpmapComplete: function() {
// Don't animate the strut
this._chrome.freezeUpdateRegions();
this.panelBox.anchor_y = this.panelBox.height;
if (this._rootPixmap != null) {
this._rootPixmap.destroy();
this._rootPixmap = null;
}
Tweener.addTween(this.panelBox,
{ anchor_y: 0,
time: STARTUP_ANIMATION_TIME,