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ScreenShield: don't animate arrows if the user is idle

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If the user is idle, it is very likely the monitor is off too, so let's
save some power by avoiding animations noone is going to see.

https://bugzilla.gnome.org/show_bug.cgi?id=690857
This commit is contained in:
Giovanni Campagna 2012-12-29 15:24:03 +01:00
parent 79140fd132
commit a9815ae1e9
1 changed files with 54 additions and 9 deletions
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63
js/ui/screenShield.js
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@ -38,6 +38,7 @@ const ARROW_DRAG_THRESHOLD = 0.1;
const N_ARROWS = 3;
const ARROW_ANIMATION_TIME = 0.6;
const ARROW_ANIMATION_PEAK_OPACITY = 0.4;
const ARROW_IDLE_TIME = 30000; // ms
const SUMMARY_ICON_SIZE = 48;
@ -451,6 +452,9 @@ const ScreenShield = new Lang.Class({
this._updateBackgrounds();
Main.layoutManager.connect('monitors-changed', Lang.bind(this, this._updateBackgrounds));
this._arrowAnimationId = 0;
this._arrowWatchId = 0;
this._arrowActiveWatchId = 0;
this._arrowContainer = new St.BoxLayout({ style_class: 'screen-shield-arrows',
vertical: true,
x_align: Clutter.ActorAlign.CENTER,
@ -971,16 +975,60 @@ const ScreenShield = new Lang.Class({
Main.sessionMode.pushMode('lock-screen');
},
_startArrowAnimation: function() {
this._arrowActiveWatchId = 0;
if (!this._arrowAnimationId) {
this._arrowAnimationId = Mainloop.timeout_add(6000, Lang.bind(this, this._animateArrows));
this._animateArrows();
}
if (!this._arrowWatchId)
this._arrowWatchId = this.idleMonitor.add_idle_watch(ARROW_IDLE_TIME,
Lang.bind(this, this._pauseArrowAnimation));
},
_pauseArrowAnimation: function() {
if (this._arrowAnimationId) {
Mainloop.source_remove(this._arrowAnimationId);
this._arrowAnimationId = 0;
}
if (!this._arrowActiveWatchId)
this._arrowActiveWatchId = this.idleMonitor.add_user_active_watch(Lang.bind(this, this._startArrowAnimation));
},
_stopArrowAnimation: function() {
if (this._arrowAnimationId) {
Mainloop.source_remove(this._arrowAnimationId);
this._arrowAnimationId = 0;
}
if (this._arrowActiveWatchId) {
this.idleMonitor.remove_watch(this._arrowActiveWatchId);
this._arrowActiveWatchId = 0;
}
if (this._arrowWatchId) {
this.idleMonitor.remove_watch(this._arrowWatchId);
this._arrowWatchId = 0;
}
},
_checkArrowAnimation: function() {
let idleTime = this.idleMonitor.get_idletime();
if (idleTime < ARROW_IDLE_TIME)
this._startArrowAnimation();
else
this._pauseArrowAnimation();
},
_lockScreenShown: function() {
if (this._dialog && !this._isGreeter) {
this._dialog.destroy();
this._dialog = null;
}
if (this._arrowAnimationId)
Mainloop.source_remove(this._arrowAnimationId);
this._arrowAnimationId = Mainloop.timeout_add(6000, Lang.bind(this, this._animateArrows));
this._animateArrows();
this._checkArrowAnimation();
let motionId = global.stage.connect('captured-event', function(stage, event) {
if (event.type() == Clutter.EventType.MOTION) {
@ -1043,12 +1091,9 @@ const ScreenShield = new Lang.Class({
this._notificationsBox = null;
}
this._lockScreenContentsBox.destroy();
this._stopArrowAnimation();
if (this._arrowAnimationId) {
Mainloop.source_remove(this._arrowAnimationId);
this._arrowAnimationId = 0;
}
this._lockScreenContentsBox.destroy();
this._hasLockScreen = false;
},