Simon Schneegans
105 lines
5.2 KiB
JavaScript
105 lines
5.2 KiB
JavaScript
//////////////////////////////////////////////////////////////////////////////////////////
|
|
// ) ( //
|
|
// ( /( ( ( ) ( ( ( ( )\ ) ( ( //
|
|
// )\()) ))\ )( ( ( )\ ) )\))( )\ ( (()/( ( )\))( ( //
|
|
// ((_)\ /((_|()\ )\ ) )\ '(()/( ((_)()((_) )\ ) ((_)))\((_)()\ )\ //
|
|
// | |(_|_))( ((_)_(_/( _((_)) )(_)) _(()((_|_)_(_/( _| |((_)(()((_|(_) //
|
|
// | '_ \ || | '_| ' \)) | ' \()| || | \ V V / | ' \)) _` / _ \ V V (_-< //
|
|
// |_.__/\_,_|_| |_||_| |_|_|_| \_, | \_/\_/|_|_||_|\__,_\___/\_/\_//__/ //
|
|
// |__/ //
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// SPDX-FileCopyrightText: Simon Schneegans <code@simonschneegans.de>
|
|
// SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
'use strict';
|
|
|
|
const _ = imports.gettext.domain('burn-my-windows').gettext;
|
|
|
|
const ExtensionUtils = imports.misc.extensionUtils;
|
|
const Me = imports.misc.extensionUtils.getCurrentExtension();
|
|
const utils = Me.imports.src.utils;
|
|
const ShaderFactory = Me.imports.src.ShaderFactory.ShaderFactory;
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
// This effect hides the actor by violently sucking it into the void of magic. //
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// The effect class can be used to get some metadata (like the effect's name or supported
|
|
// GNOME Shell versions), to initialize the respective page of the settings dialog, as
|
|
// well as to create the actual shader for the effect.
|
|
var Apparition = class {
|
|
|
|
// The constructor creates a ShaderFactory which will be used by extension.js to create
|
|
// shader instances for this effect. The shaders will be automagically created using the
|
|
// GLSL file in resources/shaders/<nick>.glsl. The callback will be called for each
|
|
// newly created shader instance.
|
|
constructor() {
|
|
this.shaderFactory = new ShaderFactory(this.getNick(), (shader) => {
|
|
// Store uniform locations of newly created shaders.
|
|
shader._uSeed = shader.get_uniform_location('uSeed');
|
|
shader._uShake = shader.get_uniform_location('uShake');
|
|
shader._uTwirl = shader.get_uniform_location('uTwirl');
|
|
shader._uSuction = shader.get_uniform_location('uSuction');
|
|
shader._uRandomness = shader.get_uniform_location('uRandomness');
|
|
|
|
// Write all uniform values at the start of each animation.
|
|
shader.connect('begin-animation', (shader, settings) => {
|
|
// If we are performing an integration tests, we use a fixed seed.
|
|
const testMode = settings.get_boolean('test-mode');
|
|
|
|
// clang-format off
|
|
shader.set_uniform_float(shader._uSeed, 2, [testMode ? 0 : Math.random(), testMode ? 0 : Math.random()]);
|
|
shader.set_uniform_float(shader._uShake, 1, [settings.get_double('apparition-shake-intensity')]);
|
|
shader.set_uniform_float(shader._uTwirl, 1, [settings.get_double('apparition-twirl-intensity')]);
|
|
shader.set_uniform_float(shader._uSuction, 1, [settings.get_double('apparition-suction-intensity')]);
|
|
shader.set_uniform_float(shader._uRandomness, 1, [settings.get_double('apparition-randomness')]);
|
|
// clang-format on
|
|
});
|
|
});
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------- metadata
|
|
|
|
// The effect is not available on GNOME Shell 3.36 as it requires scaling of the window
|
|
// actor.
|
|
getMinShellVersion() {
|
|
return [3, 38];
|
|
}
|
|
|
|
// This will be called in various places where a unique identifier for this effect is
|
|
// required. It should match the prefix of the settings keys which store whether the
|
|
// effect is enabled currently (e.g. '*-enable-effect'), and its animation time
|
|
// (e.g. '*-animation-time').
|
|
getNick() {
|
|
return 'apparition';
|
|
}
|
|
|
|
// This will be shown in the sidebar of the preferences dialog as well as in the
|
|
// drop-down menus where the user can choose the effect.
|
|
getLabel() {
|
|
return _('Apparition');
|
|
}
|
|
|
|
// -------------------------------------------------------------------- API for prefs.js
|
|
|
|
// This is called by the preferences dialog whenever a new effect profile is loaded. It
|
|
// binds all user interface elements to the respective settings keys of the profile.
|
|
bindPreferences(dialog) {
|
|
dialog.bindAdjustment('apparition-randomness');
|
|
dialog.bindAdjustment('apparition-animation-time');
|
|
dialog.bindAdjustment('apparition-twirl-intensity');
|
|
dialog.bindAdjustment('apparition-shake-intensity');
|
|
dialog.bindAdjustment('apparition-suction-intensity');
|
|
}
|
|
|
|
// ---------------------------------------------------------------- API for extension.js
|
|
|
|
// The getActorScale() is called from extension.js to adjust the actor's size during the
|
|
// animation. This is useful if the effect requires drawing something beyond the usual
|
|
// bounds of the actor. This only works for GNOME 3.38+.
|
|
getActorScale(settings) {
|
|
return {x: 2.0, y: 2.0};
|
|
}
|
|
}
|