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_MsaaDocAccessible_h__ 8 #define mozilla_a11y_MsaaDocAccessible_h__ 9 10 #include "ia2AccessibleHypertext.h" 11 12 namespace mozilla { 13 14 namespace a11y { 15 class Accessible; 16 class DocAccessible; 17 class DocAccessibleParent; 18 19 class MsaaDocAccessible : public ia2AccessibleHypertext { 20 public: 21 DocAccessible* DocAcc(); 22 23 // IUnknown 24 DECL_IUNKNOWN_INHERITED 25 IMPL_IUNKNOWN_REFCOUNTING_INHERITED(ia2AccessibleHypertext) 26 27 // IAccessible 28 29 // Override get_accParent for e10s 30 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accParent( 31 /* [retval][out] */ IDispatch __RPC_FAR* __RPC_FAR* ppdispParent) 32 override; 33 34 // Override get_accValue to provide URL when no other value is available 35 virtual /* [id][propget] */ HRESULT STDMETHODCALLTYPE get_accValue( 36 /* [optional][in] */ VARIANT varChild, 37 /* [retval][out] */ BSTR __RPC_FAR* pszValue) override; 38 39 /** 40 * Manage the mapping from id to Accessible. 41 */ AddID(uint32_t aID,Accessible * aAcc)42 void AddID(uint32_t aID, Accessible* aAcc) { 43 mIDToAccessibleMap.InsertOrUpdate(aID, aAcc); 44 } RemoveID(uint32_t aID)45 void RemoveID(uint32_t aID) { mIDToAccessibleMap.Remove(aID); } GetAccessibleByID(uint32_t aID)46 Accessible* GetAccessibleByID(uint32_t aID) const { 47 return mIDToAccessibleMap.Get(aID); 48 } 49 50 static MsaaDocAccessible* GetFrom(DocAccessible* aDoc); 51 static MsaaDocAccessible* GetFrom(DocAccessibleParent* aDoc); 52 53 /** 54 * Get the MsaaDocAccessible for the document which owns the given Accessible. 55 */ 56 static MsaaDocAccessible* GetFromOwned(Accessible* aAcc); 57 58 protected: 59 using ia2AccessibleHypertext::ia2AccessibleHypertext; 60 61 /* 62 * This provides a mapping from 32 bit id to accessible objects. 63 */ 64 nsTHashMap<nsUint32HashKey, Accessible*> mIDToAccessibleMap; 65 }; 66 67 } // namespace a11y 68 } // namespace mozilla 69 70 #endif 71