gecko-dev/accessible/interfaces/nsIAccessibleTextLeafRange.idl

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
#include "nsIArray.idl"
#include "nsIAccessibleText.idl"
interface nsIAccessible;
[scriptable, builtinclass, uuid(9181e777-8954-4f8f-8cee-32f9771e40d7)]
interface nsIAccessibleTextLeafPoint : nsISupports
{
attribute nsIAccessible accessible;
attribute long offset;
/**
* Find a boundary (word start, line start, etc.) in a specific direction.
* If no boundary is found, the start/end of the document is returned
* (depending on the direction).
*
* @param aBoundaryType [in] the boundary type to search for
* @param aDirection [in] search next or previous
* @param aFlags [in] optional flags for search
*/
nsIAccessibleTextLeafPoint findBoundary(in AccessibleTextBoundary aBoundaryType,
in unsigned long aDirection,
in unsigned long aFlags);
const long DIRECTION_NEXT = 0x0;
const long DIRECTION_PREVIOUS = 0x1;
// Keep these flags up to date with the ones in TextLeafPoint.
const unsigned long BOUNDARY_FLAG_DEFAULT = 0x0;
// If current point is a matching boundary, return unchanged.
const unsigned long BOUNDARY_FLAG_INCLUDE_ORIGIN = 0x1;
// Do not search past end of editables.
const unsigned long BOUNDARY_FLAG_STOP_IN_EDITABLE = 0x2;
// Skip over list items in searches and don't consider them line or paragraph starts.
const unsigned long BOUNDARY_FLAG_SKIP_LIST_ITEM_MARKER = 0x4;
};