Simon Schneegans
106 lines
4.9 KiB
JavaScript
106 lines
4.9 KiB
JavaScript
//////////////////////////////////////////////////////////////////////////////////////////
|
|
// ) ( //
|
|
// ( /( ( ( ) ( ( ( ( )\ ) ( ( //
|
|
// )\()) ))\ )( ( ( )\ ) )\))( )\ ( (()/( ( )\))( ( //
|
|
// ((_)\ /((_|()\ )\ ) )\ '(()/( ((_)()((_) )\ ) ((_)))\((_)()\ )\ //
|
|
// | |(_|_))( ((_)_(_/( _((_)) )(_)) _(()((_|_)_(_/( _| |((_)(()((_|(_) //
|
|
// | '_ \ || | '_| ' \)) | ' \()| || | \ V V / | ' \)) _` / _ \ V V (_-< //
|
|
// |_.__/\_,_|_| |_||_| |_|_|_| \_, | \_/\_/|_|_||_|\__,_\___/\_/\_//__/ //
|
|
// |__/ //
|
|
// Copyright (c) 2021 Simon Schneegans //
|
|
// Released under the GPLv3 or later. See LICENSE file for details. //
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
'use strict';
|
|
|
|
const GObject = imports.gi.GObject;
|
|
|
|
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 making it first transparent from top and bottom //
|
|
// towards the middle and then hiding the resulting line from left and right towards //
|
|
// the center. //
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// 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 TVEffect = class TVEffect {
|
|
|
|
// 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) => {
|
|
// We import Clutter in this function as it is not available in the preferences
|
|
// process. This creator function of the ShaderFactory is only called within GNOME
|
|
// Shell's process.
|
|
const Clutter = imports.gi.Clutter;
|
|
|
|
// Store uniform locations of newly created shaders.
|
|
shader._uColor = shader.get_uniform_location('uColor');
|
|
|
|
// Write all uniform values at the start of each animation.
|
|
shader.connect('begin-animation', (shader, settings) => {
|
|
const c = Clutter.Color.from_string(settings.get_string('tv-effect-color'))[1];
|
|
shader.set_uniform_float(shader._uColor, 3,
|
|
[c.red / 255, c.green / 255, c.blue / 255]);
|
|
});
|
|
});
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------- metadata
|
|
|
|
// The effect is available on all GNOME Shell versions supported by this extension.
|
|
getMinShellVersion() {
|
|
return [3, 36];
|
|
}
|
|
|
|
// 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. '*-close-effect'), and its animation time
|
|
// (e.g. '*-animation-time').
|
|
getNick() {
|
|
return 'tv';
|
|
}
|
|
|
|
// 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 _('TV Effect');
|
|
}
|
|
|
|
// -------------------------------------------------------------------- API for prefs.js
|
|
|
|
// This is called by the preferences dialog. It loads the settings page for this effect,
|
|
// and binds all properties to the settings.
|
|
getPreferences(dialog) {
|
|
|
|
// Add the settings page to the builder.
|
|
dialog.getBuilder().add_from_resource(`/ui/${utils.getGTKString()}/TVEffect.ui`);
|
|
|
|
// Bind all properties.
|
|
dialog.bindAdjustment('tv-animation-time');
|
|
dialog.bindColorButton('tv-effect-color');
|
|
|
|
// Finally, return the new settings page.
|
|
return dialog.getBuilder().get_object('tv-prefs');
|
|
}
|
|
|
|
// ---------------------------------------------------------------- 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: 1.0, y: 1.0};
|
|
}
|
|
}
|