accessible/public/msaa/ISimpleDOMNode.idl

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is mozilla.org code.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Netscape Communications Corporation.
  19  * Portions created by the Initial Developer are Copyright (C) 1998
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *   Author: Aaron Leventhal (aaronl@netscape.com)
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either of the GNU General Public License Version 2 or later (the "GPL"),
  27  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 cpp_quote("///////////////////////////////////////////////////////////////////////////////////////////////////////")
  40 cpp_quote("//")
  41 cpp_quote("// ISimpleDOMNode")
  42 cpp_quote("// ---------------------------------------------------------------------------------------------------=")
  43 cpp_quote("// An interface that extends MSAA's IAccessible to provide readonly DOM node information via cross-process COM.")
  44 cpp_quote("//")
  45 cpp_quote("// @STATUS UNDER_REVIEW")
  46 cpp_quote("//")
  47 cpp_quote("// get_nodeInfo(")
  48 cpp_quote("//  /* [out] */ BSTR  *nodeName,   // For elements, this is the tag name")
  49 cpp_quote("//  /* [out] */ short  *nameSpaceID,")
  50 cpp_quote("//  /* [out] */ BSTR  *nodeValue, ")
  51 cpp_quote("//  /* [out] */ unsigned int    *numChildren); ")
  52 cpp_quote("//  /* [out] */ unsigned int    *uniqueID;  // In Win32 accessible events we generate, the target's childID matches to this")
  53 cpp_quote("//  /* [out] */ unsigned short  *nodeType,")
  54 cpp_quote("// ---------------------------------------------------------------------------------------------------=")
  55 cpp_quote("// Get the basic information about a node.")
  56 cpp_quote("// The namespace ID can be mapped to an URI using nsISimpleDOMDocument::get_nameSpaceURIForID()")
  57 cpp_quote("//")
  58 cpp_quote("// get_attributes(")
  59 cpp_quote("//  /* [in]  */ unsigned short maxAttribs,")
  60 cpp_quote("//  /* [out] */ unsigned short  *numAttribs,")
  61 cpp_quote("//  /* [out] */ BSTR  *attribNames,")
  62 cpp_quote("//  /* [out] */ short *nameSpaceID,")
  63 cpp_quote("//  /* [out] */ BSTR  *attribValues);")
  64 cpp_quote("// ---------------------------------------------------------------------------------------------------=")
  65 cpp_quote("// Returns 3 arrays - the attribute names and values, and a namespace ID for each")
  66 cpp_quote("// If the namespace ID is 0, it's the same namespace as the node's namespace")
  67 cpp_quote("//")
  68 cpp_quote("// get_attributesForNames(")
  69 cpp_quote("//  /* [in] */ unsigned short numAttribs,")
  70 cpp_quote("//  /* [in] */ BSTR   *attribNames,")
  71 cpp_quote("//  /* [in] */ short  *nameSpaceID,")
  72 cpp_quote("//  /* [out] */ BSTR  *attribValues);")
  73 cpp_quote("// ---------------------------------------------------------------------------------------------------=")
  74 cpp_quote("// Takes 2 arrays - the attribute names and namespace IDs, and returns an array of corresponding values")
  75 cpp_quote("// If the namespace ID is 0, it's the same namespace as the node's namespace")
  76 cpp_quote("//")
  77 cpp_quote("// computedStyle(  ")
  78 cpp_quote("//  /* [in]  */ unsigned short maxStyleProperties,")
  79 cpp_quote("//  /* [out] */ unsigned short *numStyleProperties, ")
  80 cpp_quote("//  /* [in]  */ boolean useAlternateView,  // If TRUE, returns properites for media as set in nsIDOMDocument::set_alternateViewMediaTypes")
  81 cpp_quote("//  /* [out] */ BSTR *styleProperties, ")
  82 cpp_quote("//  /* [out] */ BSTR *styleValues);")
  83 cpp_quote("// ---------------------------------------------------------------------------------------------------=")
  84 cpp_quote("// Returns 2 arrays -- the style properties and their values")
  85 cpp_quote("//  useAlternateView=FALSE: gets properties for the default media type (usually screen)")
  86 cpp_quote("//  useAlternateView=TRUE: properties for media types set w/ nsIDOMSimpleDocument::set_alternateViewMediaTypes()")
  87 cpp_quote("//")
  88 cpp_quote("// computedStyleForProperties(  ")
  89 cpp_quote("//  /* [in] */  unsigned short numStyleProperties, ")
  90 cpp_quote("//  /* [in] */  boolean useAlternateView,  // If TRUE, returns properites for media as set in nsIDOMDocument::set_alternateViewMediaTypes")
  91 cpp_quote("//  /* [in] */  BSTR *styleProperties, ")
  92 cpp_quote("//  /* [out] */ BSTR *styleValues);")
  93 cpp_quote("// ---------------------------------------------------------------------------------------------------=")
  94 cpp_quote("// Scroll the current view so that this dom node is visible.")
  95 cpp_quote("//  placeTopLeft=TRUE: scroll until the top left corner of the dom node is at the top left corner of the view.")
  96 cpp_quote("//  placeTopLeft=FALSE: scroll minimally to make the dom node visible. Don't scroll at all if already visible.")
  97 cpp_quote("//")
  98 cpp_quote("// scrollTo( ")
  99 cpp_quote("//  /* [in] */ boolean placeTopLeft); ")
 100 cpp_quote("// ---------------------------------------------------------------------------------------------------=")
 101 cpp_quote("// Returns style property values for those properties in the styleProperties [in] array")
 102 cpp_quote("// Returns 2 arrays -- the style properties and their values")
 103 cpp_quote("//  useAlternateView=FALSE: gets properties for the default media type (usually screen)")
 104 cpp_quote("//  useAlternateView=TRUE: properties for media types set w/ nsIDOMSimpleDocument::set_alternateViewMediaTypes()")
 105 cpp_quote("//")
 106 cpp_quote("// get_parentNode     (/* [out] */ ISimpleDOMNode **newNodePtr);")
 107 cpp_quote("// get_firstChild     (/* [out] */ ISimpleDOMNode **newNodePtr);")
 108 cpp_quote("// get_lastChild      (/* [out] */ ISimpleDOMNode **newNodePtr);")
 109 cpp_quote("// get_previousSibling(/* [out] */ ISimpleDOMNode **newNodePtr);")
 110 cpp_quote("// get_nextSibling    (/* [out] */ ISimpleDOMNode **newNodePtr);")
 111 cpp_quote("// get_childAt        (/* [in] */ unsigned childIndex, /* [out] */ ISimpleDOMNode **newNodePtr);")
 112 cpp_quote("// ---------------------------------------------------------------------------------------------------=")
 113 cpp_quote("// DOM navigation - get a different node.")
 114 cpp_quote("//")
 115 cpp_quote("// get_innerHTML(/* [out] */ BSTR *htmlText);")
 116 cpp_quote("// ---------------------------------------------------------------------------------------------------=")
 117 cpp_quote("// Returns HTML of this DOM node's subtree. Does not include the start and end tag for this node/element.")
 118 cpp_quote("//")
 119 cpp_quote("//")
 120 cpp_quote("// get_localInterface(/* [out] */ void **localInterface);")
 121 cpp_quote("// ---------------------------------------------------------------------------------------------------=")
 122 cpp_quote("// Only available in Gecko's process - casts to an XPCOM nsIAccessNode interface pointer")
 123 cpp_quote("//")
 124 cpp_quote("//")
 125 cpp_quote("// get_language(/* [out] */ BSTR *htmlText);")
 126 cpp_quote("// ---------------------------------------------------------------------------------------------------=")
 127 cpp_quote("// Returns the computed language for this node, or empty string if unknown.")
 128 cpp_quote("//")
 129 cpp_quote("//")
 130 cpp_quote("///////////////////////////////////////////////////////////////////////////////////////////////////////")
 131 cpp_quote("")
 132 cpp_quote("")
 133
 134 import "objidl.idl";
 135 import "oaidl.idl";
 136
 137 import "ISimpleDOMText.idl";
 138 import "ISimpleDOMDocument.idl";
 139
 140 [object, uuid(1814ceeb-49e2-407f-af99-fa755a7d2607)]
 141 interface ISimpleDOMNode : IUnknown
 142 {
 143   const unsigned short NODETYPE_ELEMENT = 1;
 144   const unsigned short NODETYPE_ATTRIBUTE = 2;
 145   const unsigned short NODETYPE_TEXT = 3;
 146   const unsigned short NODETYPE_CDATA_SECTION = 4;
 147   const unsigned short NODETYPE_ENTITY_REFERENCE = 5;
 148   const unsigned short NODETYPE_ENTITY = 6;
 149   const unsigned short NODETYPE_PROCESSING_INSTRUCTION = 7;
 150   const unsigned short NODETYPE_COMMENT = 8;
 151   const unsigned short NODETYPE_DOCUMENT = 9;
 152   const unsigned short NODETYPE_DOCUMENT_TYPE = 10;
 153   const unsigned short NODETYPE_DOCUMENT_FRAGMENT = 11;
 154   const unsigned short NODETYPE_NOTATION = 12;
 155
 156   [propget] HRESULT nodeInfo(
 157     [out] BSTR *nodeName,   // for performance returns NULL for text nodes (true nodeName would be "#text")
 158     [out] short *nameSpaceID,
 159     [out] BSTR *nodeValue,
 160     [out] unsigned int *numChildren,
 161     [out] unsigned int *uniqueID, // In Win32 accessible events we generate, the target's childID matches to this
 162     [out, retval] unsigned short *nodeType
 163   );
 164
 165   [propget] HRESULT attributes(
 166     [in] unsigned short maxAttribs,
 167     [out, size_is(maxAttribs), length_is(*numAttribs)] BSTR *attribNames,
 168     [out, size_is(maxAttribs), length_is(*numAttribs)] short *nameSpaceID,
 169     [out, size_is(maxAttribs), length_is(*numAttribs)] BSTR *attribValues,
 170     [out, retval] unsigned short *numAttribs
 171   );
 172
 173   [propget] HRESULT attributesForNames(
 174     [in] unsigned short numAttribs,
 175     [in, size_is(numAttribs), length_is(numAttribs)] BSTR *attribNames,
 176     [in, size_is(numAttribs), length_is(numAttribs)] short *nameSpaceID,
 177     [out, retval, size_is(numAttribs), length_is(numAttribs)] BSTR *attribValues
 178   );
 179
 180   [propget] HRESULT computedStyle(
 181     [in] unsigned short maxStyleProperties,
 182     [in] boolean useAlternateView,  // If TRUE, returns properites for media as set in nsIDOMDocument::set_alternateViewMediaTypes
 183     [out, size_is(maxStyleProperties), length_is(*numStyleProperties)] BSTR *styleProperties,
 184     [out, size_is(maxStyleProperties), length_is(*numStyleProperties)] BSTR *styleValues,
 185     [out, retval] unsigned short *numStyleProperties
 186   );
 187
 188   [propget] HRESULT computedStyleForProperties(
 189     [in] unsigned short numStyleProperties,
 190     [in] boolean useAlternateView,  // If TRUE, returns properites for media as set in nsIDOMDocument::set_alternateViewMediaTypes
 191     [in, size_is(numStyleProperties), length_is(numStyleProperties)] BSTR *styleProperties,
 192     [out, retval, size_is(numStyleProperties), length_is(numStyleProperties)] BSTR *styleValues
 193   );
 194
 195   HRESULT scrollTo([in] boolean placeTopLeft);
 196
 197   [propget] HRESULT parentNode([out, retval] ISimpleDOMNode **node);
 198   [propget] HRESULT firstChild([out, retval] ISimpleDOMNode **node);
 199   [propget] HRESULT lastChild([out, retval] ISimpleDOMNode **node);
 200   [propget] HRESULT previousSibling([out, retval] ISimpleDOMNode **node);
 201   [propget] HRESULT nextSibling([out, retval] ISimpleDOMNode **node);
 202   [propget] HRESULT childAt([in] unsigned childIndex,
 203                             [out, retval] ISimpleDOMNode **node);
 204
 205   [propget] HRESULT innerHTML([out, retval] BSTR *innerHTML);
 206
 207   [propget, local] HRESULT localInterface([out][retval] void **localInterface);
 208
 209   [propget] HRESULT language([out, retval] BSTR *language);
 210 }
 211
 212
 213 [
 214     uuid(a6245497-9c0b-4449-85a5-bd6ad07df8ea),
 215     helpstring("ISimpleDOM Type Library")
 216 ]
 217 library ISimpleDOM
 218 {
 219   interface ISimpleDOMNode;
 220   interface ISimpleDOMText;
 221   interface ISimpleDOMDocument;
 222 };
 223