The Tor Browser / annotate

accessible/src/windows/msaa/AccessibleWrap.h@97036ab72558 (annotated)

accessible/src/windows/msaa/AccessibleWrap.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

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

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