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background: Simplify animation code

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https://bugzilla.gnome.org/show_bug.cgi?id=719803
This commit is contained in:
Jasper St. Pierre 2013-12-03 17:25:57 -05:00
parent adb49bdf0b
commit 887590730d
1 changed files with 14 additions and 16 deletions
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30
js/ui/background.js
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@ -409,27 +409,26 @@ const Background = new Lang.Class({
this._fileWatches[filename] = signalId;
},
_addImage: function(content, index, filename) {
content.brightness = this._brightness;
content.vignette_sharpness = this._vignetteSharpness;
_ensureImage: function(index) {
if (this._images[index])
return;
let actor = new Meta.BackgroundActor();
actor.content = content;
// The background pattern is the first actor in
// the group, and all images should be above that.
this.actor.insert_child_at_index(actor, index + 1);
this._images[index] = actor;
this._watchCacheFile(filename);
},
_updateImage: function(content, index, filename) {
_updateImage: function(index, content, filename) {
content.brightness = this._brightness;
content.vignette_sharpness = this._vignetteSharpness;
this._cache.removeImageContent(this._images[index].content);
this._images[index].content = content;
let image = this._images[index];
if (image.content)
this._cache.removeImageContent(content);
image.content = content;
this._watchCacheFile(filename);
},
@ -477,11 +476,8 @@ const Background = new Lang.Class({
return;
}
if (!this._images[i]) {
this._addImage(content, i, files[i]);
} else {
this._updateImage(content, i, files[i]);
}
this._ensureImage(i);
this._updateImage(i, content, files[i]);
if (numPendingImages == 0) {
this._setLoaded();
@ -543,8 +539,10 @@ const Background = new Lang.Class({
filename: filename,
cancellable: this._cancellable,
onFinished: Lang.bind(this, function(content) {
if (content)
this._addImage(content, 0, filename);
if (content) {
this._ensureImage(0);
this._updateImage(0, content, filename);
}
this._setLoaded();
})
});