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ui: move AnimatedIcon out of panel.js

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The class is generally useful, so it only makes sense in panel.js
for historical reasons. Because other parts of the code are
using it, though, problems are cropping up that require a
workaround like:

placeSpinner: function(...) {
    /* This is here because of recursive imports */
    const Panel = imports.ui.panel;
    Panel.AnimatedIcon(spinnerIcon, WORK_SPINNER_ICON_SIZE);
    ...
}

This commit moves AnimatedIcon to its own file so we can drop that
workaround.
This commit is contained in:
Ray Strode
2013-06-18 07:35:41 -04:00
parent a82fae3a2f
commit 026ec2d4c2
4 changed files with 89 additions and 80 deletions
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79
js/ui/panel.js
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@ -15,6 +15,7 @@ const Signals = imports.signals;
const Atk = imports.gi.Atk;
const Animation = imports.ui.animation;
const Config = imports.misc.config;
const CtrlAltTab = imports.ui.ctrlAltTab;
const DND = imports.ui.dnd;
@ -29,7 +30,6 @@ const PANEL_ICON_SIZE = 24;
const BUTTON_DND_ACTIVATION_TIMEOUT = 250;
const ANIMATED_ICON_UPDATE_TIMEOUT = 100;
const SPINNER_ANIMATION_TIME = 0.2;
// To make sure the panel corners blend nicely with the panel,
@ -75,81 +75,6 @@ function _unpremultiply(color) {
blue: blue, alpha: color.alpha });
};
const Animation = new Lang.Class({
Name: 'Animation',
_init: function(filename, width, height, speed) {
this.actor = new St.Bin();
this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
this._speed = speed;
this._isLoaded = false;
this._isPlaying = false;
this._timeoutId = 0;
this._frame = 0;
this._animations = St.TextureCache.get_default().load_sliced_image (filename, width, height,
Lang.bind(this, this._animationsLoaded));
this.actor.set_child(this._animations);
},
play: function() {
if (this._isLoaded && this._timeoutId == 0) {
if (this._frame == 0)
this._showFrame(0);
this._timeoutId = Mainloop.timeout_add(this._speed, Lang.bind(this, this._update));
}
this._isPlaying = true;
},
stop: function() {
if (this._timeoutId > 0) {
Mainloop.source_remove(this._timeoutId);
this._timeoutId = 0;
}
this._isPlaying = false;
},
_showFrame: function(frame) {
let oldFrameActor = this._animations.get_child_at_index(this._frame);
if (oldFrameActor)
oldFrameActor.hide();
this._frame = (frame % this._animations.get_n_children());
let newFrameActor = this._animations.get_child_at_index(this._frame);
if (newFrameActor)
newFrameActor.show();
},
_update: function() {
this._showFrame(this._frame + 1);
return true;
},
_animationsLoaded: function() {
this._isLoaded = true;
if (this._isPlaying)
this.play();
},
_onDestroy: function() {
this.stop();
}
});
const AnimatedIcon = new Lang.Class({
Name: 'AnimatedIcon',
Extends: Animation,
_init: function(filename, size) {
this.parent(filename, size, size, ANIMATED_ICON_UPDATE_TIMEOUT);
}
});
const TextShadower = new Lang.Class({
Name: 'TextShadower',
@ -360,7 +285,7 @@ const AppMenuButton = new Lang.Class({
if (!success || this._spinnerIcon == icon)
return;
this._spinnerIcon = icon;
this._spinner = new AnimatedIcon(this._spinnerIcon, PANEL_ICON_SIZE);
this._spinner = new Animation.AnimatedIcon(this._spinnerIcon, PANEL_ICON_SIZE);
this._container.add_actor(this._spinner.actor);
this._spinner.actor.hide();
this._spinner.actor.lower_bottom();