diff -r 000000000000 -r 6474c204b198 accessible/src/windows/msaa/AccessibleWrap.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/accessible/src/windows/msaa/AccessibleWrap.h Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,223 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* 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/. */ + +#ifndef mozilla_a11y_AccessibleWrap_h_ +#define mozilla_a11y_AccessibleWrap_h_ + +#include "nsCOMPtr.h" +#include "Accessible.h" +#include "Accessible2.h" +#include "ia2Accessible.h" +#include "ia2AccessibleComponent.h" +#include "ia2AccessibleHyperlink.h" +#include "ia2AccessibleValue.h" + +#ifdef __GNUC__ +// Inheriting from both XPCOM and MSCOM interfaces causes a lot of warnings +// about virtual functions being hidden by each other. This is done by +// design, so silence the warning. +#pragma GCC diagnostic ignored "-Woverloaded-virtual" +#endif + +namespace mozilla { +namespace a11y { + +class AccessibleWrap : public Accessible, + public ia2Accessible, + public ia2AccessibleComponent, + public ia2AccessibleHyperlink, + public ia2AccessibleValue +{ +public: // construction, destruction + AccessibleWrap(nsIContent* aContent, DocAccessible* aDoc) : + Accessible(aContent, aDoc) { } + virtual ~AccessibleWrap() { } + + // nsISupports + NS_DECL_ISUPPORTS_INHERITED + + public: // IUnknown methods - see iunknown.h for documentation + STDMETHODIMP QueryInterface(REFIID, void**); + + // Return the registered OLE class ID of this object's CfDataObj. + CLSID GetClassID() const; + + public: // COM interface IAccessible + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accParent( + /* [retval][out] */ IDispatch __RPC_FAR *__RPC_FAR *ppdispParent); + + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accChildCount( + /* [retval][out] */ long __RPC_FAR *pcountChildren); + + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accChild( + /* [in] */ VARIANT varChild, + /* [retval][out] */ IDispatch __RPC_FAR *__RPC_FAR *ppdispChild); + + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accName( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ BSTR __RPC_FAR *pszName); + + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accValue( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ BSTR __RPC_FAR *pszValue); + + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accDescription( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ BSTR __RPC_FAR *pszDescription); + + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accRole( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ VARIANT __RPC_FAR *pvarRole); + + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accState( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ VARIANT __RPC_FAR *pvarState); + + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accHelp( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ BSTR __RPC_FAR *pszHelp); + + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accHelpTopic( + /* [out] */ BSTR __RPC_FAR *pszHelpFile, + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ long __RPC_FAR *pidTopic); + + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accKeyboardShortcut( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ BSTR __RPC_FAR *pszKeyboardShortcut); + + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accFocus( + /* [retval][out] */ VARIANT __RPC_FAR *pvarChild); + + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accSelection( + /* [retval][out] */ VARIANT __RPC_FAR *pvarChildren); + + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accDefaultAction( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ BSTR __RPC_FAR *pszDefaultAction); + + virtual /* [id] */ HRESULT STDMETHODCALLTYPE accSelect( + /* [in] */ long flagsSelect, + /* [optional][in] */ VARIANT varChild); + + virtual /* [id] */ HRESULT STDMETHODCALLTYPE accLocation( + /* [out] */ long __RPC_FAR *pxLeft, + /* [out] */ long __RPC_FAR *pyTop, + /* [out] */ long __RPC_FAR *pcxWidth, + /* [out] */ long __RPC_FAR *pcyHeight, + /* [optional][in] */ VARIANT varChild); + + virtual /* [id] */ HRESULT STDMETHODCALLTYPE accNavigate( + /* [in] */ long navDir, + /* [optional][in] */ VARIANT varStart, + /* [retval][out] */ VARIANT __RPC_FAR *pvarEndUpAt); + + virtual /* [id] */ HRESULT STDMETHODCALLTYPE accHitTest( + /* [in] */ long xLeft, + /* [in] */ long yTop, + /* [retval][out] */ VARIANT __RPC_FAR *pvarChild); + + virtual /* [id] */ HRESULT STDMETHODCALLTYPE accDoDefaultAction( + /* [optional][in] */ VARIANT varChild); + + virtual /* [id][propput] */ HRESULT STDMETHODCALLTYPE put_accName( + /* [optional][in] */ VARIANT varChild, + /* [in] */ BSTR szName); + + virtual /* [id][propput] */ HRESULT STDMETHODCALLTYPE put_accValue( + /* [optional][in] */ VARIANT varChild, + /* [in] */ BSTR szValue); + + // IDispatch (support of scripting languages like VB) + virtual HRESULT STDMETHODCALLTYPE GetTypeInfoCount(UINT *pctinfo); + + virtual HRESULT STDMETHODCALLTYPE GetTypeInfo(UINT iTInfo, LCID lcid, + ITypeInfo **ppTInfo); + + virtual HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID riid, + LPOLESTR *rgszNames, + UINT cNames, + LCID lcid, + DISPID *rgDispId); + + virtual HRESULT STDMETHODCALLTYPE Invoke(DISPID dispIdMember, REFIID riid, + LCID lcid, WORD wFlags, + DISPPARAMS *pDispParams, + VARIANT *pVarResult, + EXCEPINFO *pExcepInfo, + UINT *puArgErr); + + // Accessible + virtual nsresult HandleAccEvent(AccEvent* aEvent); + + // Helper methods + static int32_t GetChildIDFor(Accessible* aAccessible); + static HWND GetHWNDFor(Accessible* aAccessible); + + /** + * System caret support: update the Windows caret position. + * The system caret works more universally than the MSAA caret + * For example, Window-Eyes, JAWS, ZoomText and Windows Tablet Edition use it + * We will use an invisible system caret. + * Gecko is still responsible for drawing its own caret + */ + void UpdateSystemCaretFor(Accessible* aAccessible); + + /** + * Find an accessible by the given child ID in cached documents. + */ + Accessible* GetXPAccessibleFor(const VARIANT& aVarChild); + + NS_IMETHOD GetNativeInterface(void **aOutAccessible); + + static IDispatch *NativeAccessible(nsIAccessible *aXPAccessible); + +protected: + + /** + * Creates ITypeInfo for LIBID_Accessibility if it's needed and returns it. + */ + static ITypeInfo* GetTI(LCID lcid); + + static ITypeInfo* gTypeInfo; + + + enum navRelations { + NAVRELATION_CONTROLLED_BY = 0x1000, + NAVRELATION_CONTROLLER_FOR = 0x1001, + NAVRELATION_LABEL_FOR = 0x1002, + NAVRELATION_LABELLED_BY = 0x1003, + NAVRELATION_MEMBER_OF = 0x1004, + NAVRELATION_NODE_CHILD_OF = 0x1005, + NAVRELATION_FLOWS_TO = 0x1006, + NAVRELATION_FLOWS_FROM = 0x1007, + NAVRELATION_SUBWINDOW_OF = 0x1008, + NAVRELATION_EMBEDS = 0x1009, + NAVRELATION_EMBEDDED_BY = 0x100a, + NAVRELATION_POPUP_FOR = 0x100b, + NAVRELATION_PARENT_WINDOW_OF = 0x100c, + NAVRELATION_DEFAULT_BUTTON = 0x100d, + NAVRELATION_DESCRIBED_BY = 0x100e, + NAVRELATION_DESCRIPTION_FOR = 0x100f, + NAVRELATION_NODE_PARENT_OF = 0x1010, + NAVRELATION_CONTAINING_DOCUMENT = 0x1011, + NAVRELATION_CONTAINING_TAB_PANE = 0x1012, + NAVRELATION_CONTAINING_APPLICATION = 0x1014 + }; +}; + +} // namespace a11y +} // namespace mozilla + +#ifdef XP_WIN +// Undo the windows.h damage +#undef GetMessage +#undef CreateEvent +#undef GetClassName +#undef GetBinaryType +#endif + +#endif