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windowManager: Disable the window dimmer when we close all attached dialogs

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This saves some GLSL resources and an FBO.

https://bugzilla.gnome.org/show_bug.cgi?id=683073
This commit is contained in:
Jasper St. Pierre 2012-08-30 16:32:44 -03:00
parent c815979f2a
commit f8805e8311
1 changed files with 22 additions and 12 deletions
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30
js/ui/windowManager.js
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@ -27,16 +27,24 @@ const WindowDimmer = new Lang.Class({
this._brightnessEffect = new Clutter.BrightnessContrastEffect();
actor.add_effect(this._brightnessEffect);
this.actor = actor;
this._enabled = true;
this._dimFactor = 0.0;
this._syncEnabled();
},
_syncEnabled: function() {
this._brightnessEffect.enabled = (this._enabled && this._dimFactor > 0);
},
setEnabled: function(enabled) {
this._brightnessEffect.enabled = enabled;
this._enabled = enabled;
this._syncEnabled();
},
set dimFactor(factor) {
this._dimFactor = factor;
this._brightnessEffect.set_brightness(factor * DIM_BRIGHTNESS);
this._syncEnabled();
},
get dimFactor() {
@ -45,10 +53,17 @@ const WindowDimmer = new Lang.Class({
});
function getWindowDimmer(actor) {
let enabled = Meta.prefs_get_attach_modal_dialogs();
if (actor._windowDimmer)
actor._windowDimmer.setEnabled(enabled);
if (enabled) {
if (!actor._windowDimmer)
actor._windowDimmer = new WindowDimmer(actor);
return actor._windowDimmer;
} else {
return null;
}
}
const WindowManager = new Lang.Class({
@ -255,9 +270,7 @@ const WindowManager = new Lang.Class({
if (!actor)
return;
let dimmer = getWindowDimmer(actor);
let enabled = Meta.prefs_get_attach_modal_dialogs();
dimmer.setEnabled(enabled);
if (!enabled)
if (!dimmer)
return;
Tweener.addTween(dimmer,
{ dimFactor: 1.0,
@ -271,15 +284,12 @@ const WindowManager = new Lang.Class({
if (!actor)
return;
let dimmer = getWindowDimmer(actor);
let enabled = Meta.prefs_get_attach_modal_dialogs();
dimmer.setEnabled(enabled);
if (!enabled)
if (!dimmer)
return;
Tweener.addTween(dimmer,
{ dimFactor: 0.0,
time: UNDIM_TIME,
transition: 'linear'
});
transition: 'linear' });
},
_mapWindow : function(shellwm, actor) {