1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/docshell/base/nsITextScroll.idl Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,33 @@ 1.4 +/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- 1.5 + * 1.6 + * This Source Code Form is subject to the terms of the Mozilla Public 1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.9 + 1.10 +#include "nsISupports.idl" 1.11 + 1.12 +/** 1.13 + * The nsITextScroll is an interface that can be implemented by a control that 1.14 + * supports text scrolling. 1.15 + */ 1.16 + 1.17 +[scriptable, uuid(067B28A0-877F-11d3-AF7E-00A024FFC08C)] 1.18 +interface nsITextScroll : nsISupports 1.19 +{ 1.20 + /** 1.21 + * Scroll the view up or down by aNumLines lines. positive 1.22 + * values move down in the view. Prevents scrolling off the 1.23 + * end of the view. 1.24 + * @param numLines number of lines to scroll the view by 1.25 + */ 1.26 + void scrollByLines(in long numLines); 1.27 + 1.28 + /** 1.29 + * Scroll the view up or down by numPages pages. a page 1.30 + * is considered to be the amount displayed by the clip view. 1.31 + * positive values move down in the view. Prevents scrolling 1.32 + * off the end of the view. 1.33 + * @param numPages number of pages to scroll the view by 1.34 + */ 1.35 + void scrollByPages(in long numPages); 1.36 +}; 1.37 \ No newline at end of file