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Diffstat (limited to 'accessible/windows/msaa/MsaaAccessible.h')
| -rw-r--r-- | accessible/windows/msaa/MsaaAccessible.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/accessible/windows/msaa/MsaaAccessible.h b/accessible/windows/msaa/MsaaAccessible.h new file mode 100644 index 0000000000..034db860ed --- /dev/null +++ b/accessible/windows/msaa/MsaaAccessible.h @@ -0,0 +1,204 @@ +/* -*- 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_MsaaAccessible_h_ +#define mozilla_a11y_MsaaAccessible_h_ + +#include "ia2Accessible.h" +#include "ia2AccessibleComponent.h" +#include "ia2AccessibleHyperlink.h" +#include "ia2AccessibleValue.h" +#include "IUnknownImpl.h" +#include "mozilla/a11y/MsaaIdGenerator.h" +#include "nsXULAppAPI.h" + +namespace mozilla { +namespace a11y { +class Accessible; +class AccessibleWrap; +class LocalAccessible; +class sdnAccessible; + +class MsaaAccessible : public ia2Accessible, + public ia2AccessibleComponent, + public ia2AccessibleHyperlink, + public ia2AccessibleValue { + public: + static MsaaAccessible* Create(Accessible* aAcc); + + Accessible* Acc() { return mAcc; } + AccessibleWrap* LocalAcc(); + + uint32_t GetExistingID() const { return mID; } + static const uint32_t kNoID = 0; + + static int32_t GetChildIDFor(Accessible* aAccessible); + static void AssignChildIDTo(NotNull<sdnAccessible*> aSdnAcc); + static void ReleaseChildID(NotNull<sdnAccessible*> aSdnAcc); + static HWND GetHWNDFor(Accessible* aAccessible); + static void FireWinEvent(Accessible* aTarget, uint32_t aEventType); + + /** + * Find an accessible by the given child ID in cached documents. + */ + [[nodiscard]] already_AddRefed<IAccessible> GetIAccessibleFor( + const VARIANT& aVarChild, bool* aIsDefunct); + + void MsaaShutdown(); + + static IDispatch* NativeAccessible(Accessible* aAccessible); + + static MsaaAccessible* GetFrom(Accessible* aAcc); + + /** + * Creates ITypeInfo for LIBID_Accessibility if it's needed and returns it. + */ + static ITypeInfo* GetTI(LCID lcid); + + static Accessible* GetAccessibleFrom(IUnknown* aUnknown); + + DECL_IUNKNOWN + + // IAccessible + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accParent( + /* [retval][out] */ IDispatch __RPC_FAR* __RPC_FAR* ppdispParent) + override; + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accChildCount( + /* [retval][out] */ long __RPC_FAR* pcountChildren) override; + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accChild( + /* [in] */ VARIANT varChild, + /* [retval][out] */ IDispatch __RPC_FAR* __RPC_FAR* ppdispChild) override; + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accName( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ BSTR __RPC_FAR* pszName) override; + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accValue( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ BSTR __RPC_FAR* pszValue) override; + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accDescription( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ BSTR __RPC_FAR* pszDescription) override; + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accRole( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ VARIANT __RPC_FAR* pvarRole) override; + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accState( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ VARIANT __RPC_FAR* pvarState) override; + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accHelp( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ BSTR __RPC_FAR* pszHelp) override; + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accHelpTopic( + /* [out] */ BSTR __RPC_FAR* pszHelpFile, + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ long __RPC_FAR* pidTopic) override; + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accKeyboardShortcut( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ BSTR __RPC_FAR* pszKeyboardShortcut) override; + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accFocus( + /* [retval][out] */ VARIANT __RPC_FAR* pvarChild) override; + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accSelection( + /* [retval][out] */ VARIANT __RPC_FAR* pvarChildren) override; + virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accDefaultAction( + /* [optional][in] */ VARIANT varChild, + /* [retval][out] */ BSTR __RPC_FAR* pszDefaultAction) override; + virtual /* [id] */ HRESULT STDMETHODCALLTYPE accSelect( + /* [in] */ long flagsSelect, + /* [optional][in] */ VARIANT varChild) override; + 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) override; + virtual /* [id] */ HRESULT STDMETHODCALLTYPE accNavigate( + /* [in] */ long navDir, + /* [optional][in] */ VARIANT varStart, + /* [retval][out] */ VARIANT __RPC_FAR* pvarEndUpAt) override; + virtual /* [id] */ HRESULT STDMETHODCALLTYPE accHitTest( + /* [in] */ long xLeft, + /* [in] */ long yTop, + /* [retval][out] */ VARIANT __RPC_FAR* pvarChild) override; + virtual /* [id] */ HRESULT STDMETHODCALLTYPE accDoDefaultAction( + /* [optional][in] */ VARIANT varChild) override; + virtual /* [id][propput] */ HRESULT STDMETHODCALLTYPE put_accName( + /* [optional][in] */ VARIANT varChild, + /* [in] */ BSTR szName) override; + virtual /* [id][propput] */ HRESULT STDMETHODCALLTYPE put_accValue( + /* [optional][in] */ VARIANT varChild, + /* [in] */ BSTR szValue) override; + + // IDispatch (support of scripting languages like VB) + virtual HRESULT STDMETHODCALLTYPE GetTypeInfoCount(UINT* pctinfo) override; + virtual HRESULT STDMETHODCALLTYPE GetTypeInfo(UINT iTInfo, LCID lcid, + ITypeInfo** ppTInfo) override; + virtual HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID riid, + LPOLESTR* rgszNames, + UINT cNames, LCID lcid, + DISPID* rgDispId) override; + virtual HRESULT STDMETHODCALLTYPE Invoke(DISPID dispIdMember, REFIID riid, + LCID lcid, WORD wFlags, + DISPPARAMS* pDispParams, + VARIANT* pVarResult, + EXCEPINFO* pExcepInfo, + UINT* puArgErr) override; + + protected: + explicit MsaaAccessible(Accessible* aAcc); + virtual ~MsaaAccessible(); + + Accessible* mAcc; + + uint32_t mID; + static MsaaIdGenerator sIDGen; + + HRESULT + ResolveChild(const VARIANT& aVarChild, IAccessible** aOutInterface); + + 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_WINDOW = 0x1013, + NAVRELATION_CONTAINING_APPLICATION = 0x1014, + NAVRELATION_DETAILS = 0x1015, + NAVRELATION_DETAILS_FOR = 0x1016, + NAVRELATION_ERROR = 0x1017, + NAVRELATION_ERROR_FOR = 0x1018, + NAVRELATION_LINKS_TO = 0x1019 + }; + + private: + static ITypeInfo* gTypeInfo; +}; + +} // namespace a11y +} // namespace mozilla + +#ifdef XP_WIN +// Undo the windows.h damage +# undef GetMessage +# undef CreateEvent +# undef GetClassName +# undef GetBinaryType +# undef RemoveDirectory +#endif + +#endif |