Simon Schneegans
98 lines
3.7 KiB
JavaScript
98 lines
3.7 KiB
JavaScript
//////////////////////////////////////////////////////////////////////////////////////////
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// ) ( //
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// ( /( ( ( ) ( ( ( ( )\ ) ( ( //
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// )\()) ))\ )( ( ( )\ ) )\))( )\ ( (()/( ( )\))( ( //
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// ((_)\ /((_|()\ )\ ) )\ '(()/( ((_)()((_) )\ ) ((_)))\((_)()\ )\ //
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// | |(_|_))( ((_)_(_/( _((_)) )(_)) _(()((_|_)_(_/( _| |((_)(()((_|(_) //
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// | '_ \ || | '_| ' \)) | ' \()| || | \ V V / | ' \)) _` / _ \ V V (_-< //
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// |_.__/\_,_|_| |_||_| |_|_|_| \_, | \_/\_/|_|_||_|\__,_\___/\_/\_//__/ //
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// |__/ //
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// Copyright (c) 2021 Simon Schneegans //
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// Released under the GPLv3 or later. See LICENSE file for details. //
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//////////////////////////////////////////////////////////////////////////////////////////
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'use strict';
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const {Clutter} = imports.gi;
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const ExtensionUtils = imports.misc.extensionUtils;
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const Me = imports.misc.extensionUtils.getCurrentExtension();
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const utils = Me.imports.utils;
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//////////////////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////////////////
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class Extension {
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// The constructor is called once when the extension is loaded, not enabled.
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constructor() {}
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// ------------------------------------------------------------------------ public stuff
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// This function could be called after the extension is enabled, which could be done
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// from GNOME Tweaks, when you log in or when the screen is unlocked.
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enable() {
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// imports.ui.windowManager.DESTROY_WINDOW_ANIMATION_TIME = 2000;
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// Store a reference to the settings object.
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// this._settings = ExtensionUtils.getSettings();
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this._destroyConnection = global.window_manager.connect('destroy', (wm, actor) => {
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const tweakTransition = (property, value) => {
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const transition = actor.get_transition(property);
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if (transition) {
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transition.set_to(value);
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transition.set_progress_mode(Clutter.AnimationMode.EASE_OUT_QUAD);
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}
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};
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tweakTransition('opacity', 255);
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tweakTransition('scale-x', 1);
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tweakTransition('scale-y', 1);
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const shader = new Clutter.ShaderEffect({
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shader_type: Clutter.ShaderType.FRAGMENT_SHADER,
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});
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shader.set_shader_source(`
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uniform sampler2D texture;
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uniform float progress;
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const float BLEND_RANGE = 0.1;
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void main(void) {
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float t = cogl_tex_coord_in[0].t * (1 - BLEND_RANGE);
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float alpha = 1 - clamp((progress - t) / BLEND_RANGE, 0, 1);
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// This uses premultiplied alpha.
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cogl_color_out = texture2D(texture, cogl_tex_coord_in[0].st) * alpha;
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}
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`);
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actor.add_effect(shader);
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const transition = actor.get_transition('opacity');
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transition.connect('new-frame', (t) => {
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shader.set_uniform_value('progress', t.get_progress());
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});
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});
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}
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// This function could be called after the extension is uninstalled, disabled in GNOME
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// Tweaks, when you log out or when the screen locks.
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disable() {
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// Restore the original behavior.
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global.window_manager.disconnect(this._destroyConnection);
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// this._settings = null;
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}
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// ----------------------------------------------------------------------- private stuff
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}
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// This function is called once when the extension is loaded, not enabled.
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function init() {
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return new Extension();
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}
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