b33ebb450a
Environment.init() uses Shell.Global, which is not accessible outside the mutter process; allowing to run the function when window.global is undefined fixes the environment for tests. https://bugzilla.gnome.org/show_bug.cgi?id=631091
102 lines
3.6 KiB
JavaScript
102 lines
3.6 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
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const Clutter = imports.gi.Clutter;;
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const GLib = imports.gi.GLib;
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const Shell = imports.gi.Shell;
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const St = imports.gi.St;
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const Gettext_gtk20 = imports.gettext.domain('gtk20');
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const Tweener = imports.ui.tweener;
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const Format = imports.misc.format;
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// "monkey patch" in some varargs ClutterContainer methods; we need
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// to do this per-container class since there is no representation
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// of interfaces in Javascript
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function _patchContainerClass(containerClass) {
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// This one is a straightforward mapping of the C method
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containerClass.prototype.child_set = function(actor, props) {
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let meta = this.get_child_meta(actor);
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for (prop in props)
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meta[prop] = props[prop];
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};
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// clutter_container_add() actually is a an add-many-actors
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// method. We conveniently, but somewhat dubiously, take the
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// this opportunity to make it do something more useful.
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containerClass.prototype.add = function(actor, props) {
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this.add_actor(actor);
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if (props)
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this.child_set(actor, props);
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};
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}
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// Replace @method with something that throws an error instead
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function _blockMethod(method, replacement, reason) {
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let match = method.match(/^(.+)\.([^.]+)$/);
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if (!match)
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throw new Error('Bad method name "' + method + '"');
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let proto = 'imports.gi.' + match[1] + '.prototype';
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let property = match[2];
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if (!global.set_property_mutable(proto, property, true))
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throw new Error('Bad method name "' + method + '"');
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// eval() is evil in general, but we know it's safe here since
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// set_property_mutable() would have failed if proto was
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// malformed.
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let node = eval(proto);
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let msg = 'Do not use "' + method + '".';
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if (replacement)
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msg += ' Use "' + replacement + '" instead.';
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if (reason)
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msg += ' (' + reason + ')';
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node[property] = function() {
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throw new Error(msg);
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};
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global.set_property_mutable(proto, property, false);
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}
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function init() {
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Tweener.init();
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String.prototype.format = Format.format;
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// Set the default direction for St widgets (this needs to be done before any use of St)
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if (Gettext_gtk20.gettext('default:LTR') == 'default:RTL') {
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St.Widget.set_default_direction(St.TextDirection.RTL);
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}
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let slowdownEnv = GLib.getenv('GNOME_SHELL_SLOWDOWN_FACTOR');
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if (slowdownEnv) {
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let factor = parseFloat(slowdownEnv);
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if (!isNaN(factor) && factor > 0.0)
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St.set_slow_down_factor(factor);
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}
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_patchContainerClass(St.BoxLayout);
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_patchContainerClass(St.Table);
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Clutter.Actor.prototype.toString = function() {
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return St.describe_actor(this);
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};
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if (window.global === undefined) // test environment
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return;
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_blockMethod('Clutter.Event.get_state', 'Shell.get_event_state',
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'gjs\'s handling of Clutter.ModifierType is broken. See bug 597292.');
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_blockMethod('Gdk.Display.get_device_state', 'global.get_pointer',
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'gjs\'s handling of Gdk.ModifierType is broken. See bug 597292.');
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_blockMethod('Gdk.Window.get_device_position', 'global.get_pointer',
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'gjs\'s handling of Gdk.ModifierType is broken. See bug 597292.');
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// Now close the back door to prevent extensions from trying to
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// abuse it. We can't actually delete it since
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// Shell.Global.prototype itself is read-only.
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global.set_property_mutable('imports.gi.Shell.Global.prototype', 'set_property_mutable', true);
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Shell.Global.prototype.set_property_mutable = undefined;
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}
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