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panel: programmatic anim. control of AnimatedIcon

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The AnimatedIcon does not have an API for controlling the animation but
relies on the :visible property changes to start and stop a timeout used
to update the frame.

This has the inconvenient of having a side effect when visible is set to
true multiple times, and is not really the API expected from such
component.

Switch to a start/stop API instead. Also, update to the first frame at
startup while we are at it, since this is the expected behavior.

https://bugzilla.gnome.org/show_bug.cgi?id=687583
This commit is contained in:
Stéphane Démurget 2012-11-04 19:47:11 +01:00
parent ae0821e07b
commit e04a4c3923
1 changed files with 11 additions and 10 deletions
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21
js/ui/panel.js
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@ -82,28 +82,27 @@ const AnimatedIcon = new Lang.Class({
_init: function(name, size) {
this.actor = new St.Bin({ visible: false });
this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
this.actor.connect('notify::visible', Lang.bind(this, this._onVisibleNotify));
this._timeoutId = 0;
this._frame = 0;
this._animations = St.TextureCache.get_default().load_sliced_image (global.datadir + '/theme/' + name, size, size);
this.actor.set_child(this._animations);
this._update();
},
_disconnectTimeout: function() {
start: function() {
if (this._timeoutId == 0)
this._timeoutId = Mainloop.timeout_add(ANIMATED_ICON_UPDATE_TIMEOUT, Lang.bind(this, this._update));
},
stop: function() {
if (this._timeoutId > 0) {
Mainloop.source_remove(this._timeoutId);
this._timeoutId = 0;
}
},
_onVisibleNotify: function() {
if (this.actor.visible)
this._timeoutId = Mainloop.timeout_add(ANIMATED_ICON_UPDATE_TIMEOUT, Lang.bind(this, this._update));
else
this._disconnectTimeout();
},
_showFrame: function(frame) {
let oldFrameActor = this._animations.get_child_at_index(this._frame);
if (oldFrameActor)
@ -122,7 +121,7 @@ const AnimatedIcon = new Lang.Class({
},
_onDestroy: function() {
this._disconnectTimeout();
this.stop();
}
});
@ -367,6 +366,7 @@ const AppMenuButton = new Lang.Class({
transition: "easeOutQuad",
onCompleteScope: this,
onComplete: function() {
this._spinner.stop();
this._spinner.actor.opacity = 255;
this._spinner.actor.hide();
}
@ -376,6 +376,7 @@ const AppMenuButton = new Lang.Class({
startAnimation: function() {
this._stop = false;
this.actor.reactive = false;
this._spinner.start();
this._spinner.actor.show();
},