96 lines
3.0 KiB
JavaScript
96 lines
3.0 KiB
JavaScript
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import St from 'gi://St';
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import Clutter from 'gi://Clutter';
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/// A dummy `Pipeline`, for dynamic blur only.
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/// Instead of a pipeline id, we take the settings of the component we want to blur.
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export const DummyPipeline = class DummyPipeline {
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constructor(effects_manager, settings, actor = null) {
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this.effects_manager = effects_manager;
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this.settings = settings;
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this.effect = null;
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this.attach_effect_to_actor(actor);
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}
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create_background_with_effect(
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background_group,
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widget_name
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) {
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// create the new actor
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this.actor = new St.Widget({ name: widget_name });
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this.attach_effect_to_actor(this.actor);
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// a dummy `BackgroundManager`, just to access the pipeline easily
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let bg_manager = new Clutter.Actor;
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bg_manager.backgroundActor = this.actor;
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bg_manager._bms_pipeline = this;
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background_group.insert_child_at_index(this.actor, 0);
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return [this.actor, bg_manager];
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};
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attach_effect_to_actor(actor) {
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// set the actor
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this.actor = actor;
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if (!actor)
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return;
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// build the new effect to be added
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this.build_effect({
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unscaled_radius: 2 * this.settings.SIGMA,
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brightness: this.settings.BRIGHTNESS,
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});
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// add the effect to the actor
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if (this.actor)
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this.actor.add_effect(this.effect);
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else
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this._warn(`could not add effect to actor, actor does not exist anymore`);
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}
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build_effect(params) {
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// create the effect
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this.effect = this.effects_manager.new_native_dynamic_gaussian_blur_effect(params);
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// connect to settings changes, using the true gsettings object
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this._sigma_changed_id = this.settings.settings.connect(
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'changed::sigma', () => this.effect.unscaled_radius = 2 * this.settings.SIGMA
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);
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this._brightness_changed_id = this.settings.settings.connect(
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'changed::brightness', () => this.effect.brightness = this.settings.BRIGHTNESS
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);
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}
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repaint_effect() {
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this.effect?.queue_repaint();
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}
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/// Remove every effect from the actor it is attached to. Please note that they are not
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/// destroyed, but rather stored (thanks to the `EffectManager` class) to be reused later.
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remove_effect() {
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this.effects_manager.remove(this.effect);
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this.effect = null;
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if (this._sigma_changed_id)
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this.settings.settings.disconnect(this._sigma_changed_id);
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if (this._brightness_changed_id)
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this.settings.settings.disconnect(this._brightness_changed_id);
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delete this._sigma_changed_id;
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delete this._brightness_changed_id;
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}
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/// Do nothing for this dummy pipeline.
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/// Note: exposed to public API.
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change_pipeline_to() { return; }
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/// Note: exposed to public API.
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destroy() {
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this.remove_effect();
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this.actor = null;
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}
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_warn(str) {
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console.warn(`[Blur my Shell > dummy pip] ${str}`);
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}
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};
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