mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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225 lines
8.2 KiB
C++
225 lines
8.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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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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#ifndef mozilla_a11y_AccessibleWrap_h_
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#define mozilla_a11y_AccessibleWrap_h_
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#include "nsCOMPtr.h"
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#include "Accessible.h"
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#include "Accessible2.h"
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#include "ia2Accessible.h"
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#include "ia2AccessibleComponent.h"
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#include "ia2AccessibleHyperlink.h"
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#include "ia2AccessibleValue.h"
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#ifdef __GNUC__
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// Inheriting from both XPCOM and MSCOM interfaces causes a lot of warnings
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// about virtual functions being hidden by each other. This is done by
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// design, so silence the warning.
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#pragma GCC diagnostic ignored "-Woverloaded-virtual"
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#endif
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namespace mozilla {
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namespace a11y {
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class AccessibleWrap : public Accessible,
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public ia2Accessible,
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public ia2AccessibleComponent,
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public ia2AccessibleHyperlink,
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public ia2AccessibleValue
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{
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public: // construction, destruction
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AccessibleWrap(nsIContent* aContent, DocAccessible* aDoc) :
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Accessible(aContent, aDoc) { }
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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public: // IUnknown methods - see iunknown.h for documentation
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STDMETHODIMP QueryInterface(REFIID, void**);
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// Return the registered OLE class ID of this object's CfDataObj.
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CLSID GetClassID() const;
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public: // COM interface IAccessible
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virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accParent(
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/* [retval][out] */ IDispatch __RPC_FAR *__RPC_FAR *ppdispParent);
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virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accChildCount(
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/* [retval][out] */ long __RPC_FAR *pcountChildren);
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virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accChild(
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/* [in] */ VARIANT varChild,
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/* [retval][out] */ IDispatch __RPC_FAR *__RPC_FAR *ppdispChild);
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virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accName(
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/* [optional][in] */ VARIANT varChild,
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/* [retval][out] */ BSTR __RPC_FAR *pszName);
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virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accValue(
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/* [optional][in] */ VARIANT varChild,
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/* [retval][out] */ BSTR __RPC_FAR *pszValue);
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virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accDescription(
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/* [optional][in] */ VARIANT varChild,
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/* [retval][out] */ BSTR __RPC_FAR *pszDescription);
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virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accRole(
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/* [optional][in] */ VARIANT varChild,
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/* [retval][out] */ VARIANT __RPC_FAR *pvarRole);
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virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accState(
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/* [optional][in] */ VARIANT varChild,
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/* [retval][out] */ VARIANT __RPC_FAR *pvarState);
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virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accHelp(
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/* [optional][in] */ VARIANT varChild,
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/* [retval][out] */ BSTR __RPC_FAR *pszHelp);
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virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accHelpTopic(
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/* [out] */ BSTR __RPC_FAR *pszHelpFile,
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/* [optional][in] */ VARIANT varChild,
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/* [retval][out] */ long __RPC_FAR *pidTopic);
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virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accKeyboardShortcut(
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/* [optional][in] */ VARIANT varChild,
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/* [retval][out] */ BSTR __RPC_FAR *pszKeyboardShortcut);
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virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accFocus(
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/* [retval][out] */ VARIANT __RPC_FAR *pvarChild);
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virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accSelection(
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/* [retval][out] */ VARIANT __RPC_FAR *pvarChildren);
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virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accDefaultAction(
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/* [optional][in] */ VARIANT varChild,
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/* [retval][out] */ BSTR __RPC_FAR *pszDefaultAction);
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virtual /* [id] */ HRESULT STDMETHODCALLTYPE accSelect(
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/* [in] */ long flagsSelect,
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/* [optional][in] */ VARIANT varChild);
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virtual /* [id] */ HRESULT STDMETHODCALLTYPE accLocation(
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/* [out] */ long __RPC_FAR *pxLeft,
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/* [out] */ long __RPC_FAR *pyTop,
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/* [out] */ long __RPC_FAR *pcxWidth,
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/* [out] */ long __RPC_FAR *pcyHeight,
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/* [optional][in] */ VARIANT varChild);
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virtual /* [id] */ HRESULT STDMETHODCALLTYPE accNavigate(
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/* [in] */ long navDir,
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/* [optional][in] */ VARIANT varStart,
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/* [retval][out] */ VARIANT __RPC_FAR *pvarEndUpAt);
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virtual /* [id] */ HRESULT STDMETHODCALLTYPE accHitTest(
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/* [in] */ long xLeft,
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/* [in] */ long yTop,
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/* [retval][out] */ VARIANT __RPC_FAR *pvarChild);
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virtual /* [id] */ HRESULT STDMETHODCALLTYPE accDoDefaultAction(
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/* [optional][in] */ VARIANT varChild);
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virtual /* [id][propput] */ HRESULT STDMETHODCALLTYPE put_accName(
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/* [optional][in] */ VARIANT varChild,
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/* [in] */ BSTR szName);
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virtual /* [id][propput] */ HRESULT STDMETHODCALLTYPE put_accValue(
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/* [optional][in] */ VARIANT varChild,
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/* [in] */ BSTR szValue);
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// IDispatch (support of scripting languages like VB)
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virtual HRESULT STDMETHODCALLTYPE GetTypeInfoCount(UINT *pctinfo);
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virtual HRESULT STDMETHODCALLTYPE GetTypeInfo(UINT iTInfo, LCID lcid,
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ITypeInfo **ppTInfo);
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virtual HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID riid,
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LPOLESTR *rgszNames,
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UINT cNames,
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LCID lcid,
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DISPID *rgDispId);
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virtual HRESULT STDMETHODCALLTYPE Invoke(DISPID dispIdMember, REFIID riid,
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LCID lcid, WORD wFlags,
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DISPPARAMS *pDispParams,
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VARIANT *pVarResult,
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EXCEPINFO *pExcepInfo,
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UINT *puArgErr);
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// Accessible
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virtual nsresult HandleAccEvent(AccEvent* aEvent);
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// Helper methods
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static int32_t GetChildIDFor(Accessible* aAccessible);
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static HWND GetHWNDFor(Accessible* aAccessible);
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/**
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* System caret support: update the Windows caret position.
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* The system caret works more universally than the MSAA caret
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* For example, Window-Eyes, JAWS, ZoomText and Windows Tablet Edition use it
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* We will use an invisible system caret.
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* Gecko is still responsible for drawing its own caret
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*/
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void UpdateSystemCaretFor(Accessible* aAccessible);
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/**
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* Find an accessible by the given child ID in cached documents.
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*/
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Accessible* GetXPAccessibleFor(const VARIANT& aVarChild);
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virtual void GetNativeInterface(void **aOutAccessible) MOZ_OVERRIDE;
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static IDispatch* NativeAccessible(Accessible* aAccessible);
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protected:
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virtual ~AccessibleWrap() { }
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/**
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* Creates ITypeInfo for LIBID_Accessibility if it's needed and returns it.
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*/
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static ITypeInfo* GetTI(LCID lcid);
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static ITypeInfo* gTypeInfo;
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enum navRelations {
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NAVRELATION_CONTROLLED_BY = 0x1000,
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NAVRELATION_CONTROLLER_FOR = 0x1001,
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NAVRELATION_LABEL_FOR = 0x1002,
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NAVRELATION_LABELLED_BY = 0x1003,
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NAVRELATION_MEMBER_OF = 0x1004,
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NAVRELATION_NODE_CHILD_OF = 0x1005,
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NAVRELATION_FLOWS_TO = 0x1006,
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NAVRELATION_FLOWS_FROM = 0x1007,
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NAVRELATION_SUBWINDOW_OF = 0x1008,
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NAVRELATION_EMBEDS = 0x1009,
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NAVRELATION_EMBEDDED_BY = 0x100a,
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NAVRELATION_POPUP_FOR = 0x100b,
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NAVRELATION_PARENT_WINDOW_OF = 0x100c,
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NAVRELATION_DEFAULT_BUTTON = 0x100d,
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NAVRELATION_DESCRIBED_BY = 0x100e,
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NAVRELATION_DESCRIPTION_FOR = 0x100f,
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NAVRELATION_NODE_PARENT_OF = 0x1010,
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NAVRELATION_CONTAINING_DOCUMENT = 0x1011,
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NAVRELATION_CONTAINING_TAB_PANE = 0x1012,
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NAVRELATION_CONTAINING_APPLICATION = 0x1014
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};
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};
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} // namespace a11y
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} // namespace mozilla
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#ifdef XP_WIN
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// Undo the windows.h damage
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#undef GetMessage
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#undef CreateEvent
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#undef GetClassName
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#undef GetBinaryType
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#undef RemoveDirectory
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#endif
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#endif
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