/*!
 * VisualEditor MediaWiki UserInterface back tool classes.
 *
 * @copyright 2011-2020 VisualEditor Team and others; see AUTHORS.txt
 * @license The MIT License (MIT); see LICENSE.txt
 */

/**
 * Back tool
 */
ve.ui.MWBackTool = function VeUiMwBackTool() {
	// Parent constructor
	ve.ui.MWBackTool.super.apply( this, arguments );
};
OO.inheritClass( ve.ui.MWBackTool, ve.ui.Tool );
ve.ui.MWBackTool.static.name = 'back';
ve.ui.MWBackTool.static.group = 'navigation';
ve.ui.MWBackTool.static.icon = 'close';
ve.ui.MWBackTool.static.title =
	OO.ui.deferMsg( 'visualeditor-backbutton-tooltip' );
ve.ui.MWBackTool.static.commandName = 'back';

/** */
ve.ui.MWBackTool.prototype.onUpdateState = function () {
	// Parent method
	ve.ui.MWBackTool.super.prototype.onUpdateState.apply( this, arguments );

	this.setActive( false );
	this.setDisabled( false );
};

ve.ui.toolFactory.register( ve.ui.MWBackTool );

/**
 * Back command
 */
ve.ui.MWBackCommand = function VeUiMWBackCommand() {
	// Parent constructor
	ve.ui.MWBackCommand.super.call( this, 'back' );
};
OO.inheritClass( ve.ui.MWBackCommand, ve.ui.Command );
ve.ui.MWBackCommand.prototype.execute = function () {
	if ( this.toolbar instanceof ve.ui.TargetToolbar ) {
		this.toolbar.target.tryTeardown();
	}
};
ve.ui.commandRegistry.register( new ve.ui.MWBackCommand() );