The Tor Browser / file comparison
comparison: accessible/src/windows/msaa/AccessibleWrap.h
accessible/src/windows/msaa/AccessibleWrap.h
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- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:375d813badc1 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef mozilla_a11y_AccessibleWrap_h_ | |
| 8 #define mozilla_a11y_AccessibleWrap_h_ | |
| 9 | |
| 10 #include "nsCOMPtr.h" | |
| 11 #include "Accessible.h" | |
| 12 #include "Accessible2.h" | |
| 13 #include "ia2Accessible.h" | |
| 14 #include "ia2AccessibleComponent.h" | |
| 15 #include "ia2AccessibleHyperlink.h" | |
| 16 #include "ia2AccessibleValue.h" | |
| 17 | |
| 18 #ifdef __GNUC__ | |
| 19 // Inheriting from both XPCOM and MSCOM interfaces causes a lot of warnings | |
| 20 // about virtual functions being hidden by each other. This is done by | |
| 21 // design, so silence the warning. | |
| 22 #pragma GCC diagnostic ignored "-Woverloaded-virtual" | |
| 23 #endif | |
| 24 | |
| 25 namespace mozilla { | |
| 26 namespace a11y { | |
| 27 | |
| 28 class AccessibleWrap : public Accessible, | |
| 29 public ia2Accessible, | |
| 30 public ia2AccessibleComponent, | |
| 31 public ia2AccessibleHyperlink, | |
| 32 public ia2AccessibleValue | |
| 33 { | |
| 34 public: // construction, destruction | |
| 35 AccessibleWrap(nsIContent* aContent, DocAccessible* aDoc) : | |
| 36 Accessible(aContent, aDoc) { } | |
| 37 virtual ~AccessibleWrap() { } | |
| 38 | |
| 39 // nsISupports | |
| 40 NS_DECL_ISUPPORTS_INHERITED | |
| 41 | |
| 42 public: // IUnknown methods - see iunknown.h for documentation | |
| 43 STDMETHODIMP QueryInterface(REFIID, void**); | |
| 44 | |
| 45 // Return the registered OLE class ID of this object's CfDataObj. | |
| 46 CLSID GetClassID() const; | |
| 47 | |
| 48 public: // COM interface IAccessible | |
| 49 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accParent( | |
| 50 /* [retval][out] */ IDispatch __RPC_FAR *__RPC_FAR *ppdispParent); | |
| 51 | |
| 52 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accChildCount( | |
| 53 /* [retval][out] */ long __RPC_FAR *pcountChildren); | |
| 54 | |
| 55 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accChild( | |
| 56 /* [in] */ VARIANT varChild, | |
| 57 /* [retval][out] */ IDispatch __RPC_FAR *__RPC_FAR *ppdispChild); | |
| 58 | |
| 59 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accName( | |
| 60 /* [optional][in] */ VARIANT varChild, | |
| 61 /* [retval][out] */ BSTR __RPC_FAR *pszName); | |
| 62 | |
| 63 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accValue( | |
| 64 /* [optional][in] */ VARIANT varChild, | |
| 65 /* [retval][out] */ BSTR __RPC_FAR *pszValue); | |
| 66 | |
| 67 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accDescription( | |
| 68 /* [optional][in] */ VARIANT varChild, | |
| 69 /* [retval][out] */ BSTR __RPC_FAR *pszDescription); | |
| 70 | |
| 71 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accRole( | |
| 72 /* [optional][in] */ VARIANT varChild, | |
| 73 /* [retval][out] */ VARIANT __RPC_FAR *pvarRole); | |
| 74 | |
| 75 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accState( | |
| 76 /* [optional][in] */ VARIANT varChild, | |
| 77 /* [retval][out] */ VARIANT __RPC_FAR *pvarState); | |
| 78 | |
| 79 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accHelp( | |
| 80 /* [optional][in] */ VARIANT varChild, | |
| 81 /* [retval][out] */ BSTR __RPC_FAR *pszHelp); | |
| 82 | |
| 83 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accHelpTopic( | |
| 84 /* [out] */ BSTR __RPC_FAR *pszHelpFile, | |
| 85 /* [optional][in] */ VARIANT varChild, | |
| 86 /* [retval][out] */ long __RPC_FAR *pidTopic); | |
| 87 | |
| 88 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accKeyboardShortcut( | |
| 89 /* [optional][in] */ VARIANT varChild, | |
| 90 /* [retval][out] */ BSTR __RPC_FAR *pszKeyboardShortcut); | |
| 91 | |
| 92 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accFocus( | |
| 93 /* [retval][out] */ VARIANT __RPC_FAR *pvarChild); | |
| 94 | |
| 95 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accSelection( | |
| 96 /* [retval][out] */ VARIANT __RPC_FAR *pvarChildren); | |
| 97 | |
| 98 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accDefaultAction( | |
| 99 /* [optional][in] */ VARIANT varChild, | |
| 100 /* [retval][out] */ BSTR __RPC_FAR *pszDefaultAction); | |
| 101 | |
| 102 virtual /* [id] */ HRESULT STDMETHODCALLTYPE accSelect( | |
| 103 /* [in] */ long flagsSelect, | |
| 104 /* [optional][in] */ VARIANT varChild); | |
| 105 | |
| 106 virtual /* [id] */ HRESULT STDMETHODCALLTYPE accLocation( | |
| 107 /* [out] */ long __RPC_FAR *pxLeft, | |
| 108 /* [out] */ long __RPC_FAR *pyTop, | |
| 109 /* [out] */ long __RPC_FAR *pcxWidth, | |
| 110 /* [out] */ long __RPC_FAR *pcyHeight, | |
| 111 /* [optional][in] */ VARIANT varChild); | |
| 112 | |
| 113 virtual /* [id] */ HRESULT STDMETHODCALLTYPE accNavigate( | |
| 114 /* [in] */ long navDir, | |
| 115 /* [optional][in] */ VARIANT varStart, | |
| 116 /* [retval][out] */ VARIANT __RPC_FAR *pvarEndUpAt); | |
| 117 | |
| 118 virtual /* [id] */ HRESULT STDMETHODCALLTYPE accHitTest( | |
| 119 /* [in] */ long xLeft, | |
| 120 /* [in] */ long yTop, | |
| 121 /* [retval][out] */ VARIANT __RPC_FAR *pvarChild); | |
| 122 | |
| 123 virtual /* [id] */ HRESULT STDMETHODCALLTYPE accDoDefaultAction( | |
| 124 /* [optional][in] */ VARIANT varChild); | |
| 125 | |
| 126 virtual /* [id][propput] */ HRESULT STDMETHODCALLTYPE put_accName( | |
| 127 /* [optional][in] */ VARIANT varChild, | |
| 128 /* [in] */ BSTR szName); | |
| 129 | |
| 130 virtual /* [id][propput] */ HRESULT STDMETHODCALLTYPE put_accValue( | |
| 131 /* [optional][in] */ VARIANT varChild, | |
| 132 /* [in] */ BSTR szValue); | |
| 133 | |
| 134 // IDispatch (support of scripting languages like VB) | |
| 135 virtual HRESULT STDMETHODCALLTYPE GetTypeInfoCount(UINT *pctinfo); | |
| 136 | |
| 137 virtual HRESULT STDMETHODCALLTYPE GetTypeInfo(UINT iTInfo, LCID lcid, | |
| 138 ITypeInfo **ppTInfo); | |
| 139 | |
| 140 virtual HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID riid, | |
| 141 LPOLESTR *rgszNames, | |
| 142 UINT cNames, | |
| 143 LCID lcid, | |
| 144 DISPID *rgDispId); | |
| 145 | |
| 146 virtual HRESULT STDMETHODCALLTYPE Invoke(DISPID dispIdMember, REFIID riid, | |
| 147 LCID lcid, WORD wFlags, | |
| 148 DISPPARAMS *pDispParams, | |
| 149 VARIANT *pVarResult, | |
| 150 EXCEPINFO *pExcepInfo, | |
| 151 UINT *puArgErr); | |
| 152 | |
| 153 // Accessible | |
| 154 virtual nsresult HandleAccEvent(AccEvent* aEvent); | |
| 155 | |
| 156 // Helper methods | |
| 157 static int32_t GetChildIDFor(Accessible* aAccessible); | |
| 158 static HWND GetHWNDFor(Accessible* aAccessible); | |
| 159 | |
| 160 /** | |
| 161 * System caret support: update the Windows caret position. | |
| 162 * The system caret works more universally than the MSAA caret | |
| 163 * For example, Window-Eyes, JAWS, ZoomText and Windows Tablet Edition use it | |
| 164 * We will use an invisible system caret. | |
| 165 * Gecko is still responsible for drawing its own caret | |
| 166 */ | |
| 167 void UpdateSystemCaretFor(Accessible* aAccessible); | |
| 168 | |
| 169 /** | |
| 170 * Find an accessible by the given child ID in cached documents. | |
| 171 */ | |
| 172 Accessible* GetXPAccessibleFor(const VARIANT& aVarChild); | |
| 173 | |
| 174 NS_IMETHOD GetNativeInterface(void **aOutAccessible); | |
| 175 | |
| 176 static IDispatch *NativeAccessible(nsIAccessible *aXPAccessible); | |
| 177 | |
| 178 protected: | |
| 179 | |
| 180 /** | |
| 181 * Creates ITypeInfo for LIBID_Accessibility if it's needed and returns it. | |
| 182 */ | |
| 183 static ITypeInfo* GetTI(LCID lcid); | |
| 184 | |
| 185 static ITypeInfo* gTypeInfo; | |
| 186 | |
| 187 | |
| 188 enum navRelations { | |
| 189 NAVRELATION_CONTROLLED_BY = 0x1000, | |
| 190 NAVRELATION_CONTROLLER_FOR = 0x1001, | |
| 191 NAVRELATION_LABEL_FOR = 0x1002, | |
| 192 NAVRELATION_LABELLED_BY = 0x1003, | |
| 193 NAVRELATION_MEMBER_OF = 0x1004, | |
| 194 NAVRELATION_NODE_CHILD_OF = 0x1005, | |
| 195 NAVRELATION_FLOWS_TO = 0x1006, | |
| 196 NAVRELATION_FLOWS_FROM = 0x1007, | |
| 197 NAVRELATION_SUBWINDOW_OF = 0x1008, | |
| 198 NAVRELATION_EMBEDS = 0x1009, | |
| 199 NAVRELATION_EMBEDDED_BY = 0x100a, | |
| 200 NAVRELATION_POPUP_FOR = 0x100b, | |
| 201 NAVRELATION_PARENT_WINDOW_OF = 0x100c, | |
| 202 NAVRELATION_DEFAULT_BUTTON = 0x100d, | |
| 203 NAVRELATION_DESCRIBED_BY = 0x100e, | |
| 204 NAVRELATION_DESCRIPTION_FOR = 0x100f, | |
| 205 NAVRELATION_NODE_PARENT_OF = 0x1010, | |
| 206 NAVRELATION_CONTAINING_DOCUMENT = 0x1011, | |
| 207 NAVRELATION_CONTAINING_TAB_PANE = 0x1012, | |
| 208 NAVRELATION_CONTAINING_APPLICATION = 0x1014 | |
| 209 }; | |
| 210 }; | |
| 211 | |
| 212 } // namespace a11y | |
| 213 } // namespace mozilla | |
| 214 | |
| 215 #ifdef XP_WIN | |
| 216 // Undo the windows.h damage | |
| 217 #undef GetMessage | |
| 218 #undef CreateEvent | |
| 219 #undef GetClassName | |
| 220 #undef GetBinaryType | |
| 221 #endif | |
| 222 | |
| 223 #endif |
