mirror of https://gitee.com/openkylin/firefox.git
73 lines
2.0 KiB
Plaintext
73 lines
2.0 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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interface nsIAccessible;
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interface nsIAccessibleText;
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interface nsIArray;
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interface nsIVariant;
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/**
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* A range representing a piece of text in the document.
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*/
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[scriptable, builtinclass, uuid(c4515623-55f9-4543-a3d5-c1e9afa588f4)]
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interface nsIAccessibleTextRange : nsISupports
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{
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readonly attribute nsIAccessibleText startContainer;
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readonly attribute long startOffset;
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readonly attribute nsIAccessibleText endContainer;
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readonly attribute long endOffset;
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/**
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* Return an accessible containing the whole range
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*/
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readonly attribute nsIAccessible container;
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/**
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* Return embedded children within the range.
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*/
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readonly attribute nsIArray embeddedChildren;
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/**
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* Return true if this range has the same end points of the given range.
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*/
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boolean compare(in nsIAccessibleTextRange aOtherRange);
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/**
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* The two endpoints of the range (starting and ending).
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*/
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const unsigned long EndPoint_Start = 1;
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const unsigned long EndPoint_End = 2;
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/**
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* Compare this and given ranges end points.
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*
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* @return -1/0/1 if this range end point is before/equal/after the given
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* range end point.
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*/
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long compareEndPoints(in unsigned long aEndPoint,
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in nsIAccessibleTextRange aOtherRange,
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in unsigned long aOtherRangeEndPoint);
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/**
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* Return text within the range.
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*/
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readonly attribute AString text;
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/**
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* Crops the range by the given accessible element.
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*/
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boolean crop(in nsIAccessible aContainer);
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const unsigned long AlignToTop = 0;
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const unsigned long AlignToBottom = 1;
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/**
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* Scroll the range into view.
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*/
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void scrollIntoView(in unsigned long aHow);
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};
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