The Tor Browser / file comparison
comparison: accessible/src/windows/ia2/ia2AccessibleHyperlink.cpp
accessible/src/windows/ia2/ia2AccessibleHyperlink.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:a746781556ac |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:expandtab:shiftwidth=2:tabstop=2: | |
| 3 */ | |
| 4 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 5 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 7 | |
| 8 #include "Accessible2.h" | |
| 9 #include "AccessibleHyperlink.h" | |
| 10 #include "AccessibleHyperlink_i.c" | |
| 11 | |
| 12 #include "AccessibleWrap.h" | |
| 13 #include "IUnknownImpl.h" | |
| 14 #include "nsIURI.h" | |
| 15 | |
| 16 using namespace mozilla::a11y; | |
| 17 | |
| 18 // IUnknown | |
| 19 | |
| 20 STDMETHODIMP | |
| 21 ia2AccessibleHyperlink::QueryInterface(REFIID iid, void** ppv) | |
| 22 { | |
| 23 if (!ppv) | |
| 24 return E_INVALIDARG; | |
| 25 | |
| 26 *ppv = nullptr; | |
| 27 | |
| 28 if (IID_IAccessibleHyperlink == iid) { | |
| 29 if (!static_cast<AccessibleWrap*>(this)->IsLink()) | |
| 30 return E_NOINTERFACE; | |
| 31 | |
| 32 *ppv = static_cast<IAccessibleHyperlink*>(this); | |
| 33 (reinterpret_cast<IUnknown*>(*ppv))->AddRef(); | |
| 34 return S_OK; | |
| 35 } | |
| 36 | |
| 37 return ia2AccessibleAction::QueryInterface(iid, ppv); | |
| 38 } | |
| 39 | |
| 40 // IAccessibleHyperlink | |
| 41 | |
| 42 STDMETHODIMP | |
| 43 ia2AccessibleHyperlink::get_anchor(long aIndex, VARIANT* aAnchor) | |
| 44 { | |
| 45 A11Y_TRYBLOCK_BEGIN | |
| 46 | |
| 47 if (!aAnchor) | |
| 48 return E_INVALIDARG; | |
| 49 | |
| 50 VariantInit(aAnchor); | |
| 51 | |
| 52 Accessible* thisObj = static_cast<AccessibleWrap*>(this); | |
| 53 if (thisObj->IsDefunct()) | |
| 54 return CO_E_OBJNOTCONNECTED; | |
| 55 | |
| 56 if (aIndex < 0 || aIndex >= static_cast<long>(thisObj->AnchorCount())) | |
| 57 return E_INVALIDARG; | |
| 58 | |
| 59 if (!thisObj->IsLink()) | |
| 60 return S_FALSE; | |
| 61 | |
| 62 AccessibleWrap* anchor = | |
| 63 static_cast<AccessibleWrap*>(thisObj->AnchorAt(aIndex)); | |
| 64 if (!anchor) | |
| 65 return S_FALSE; | |
| 66 | |
| 67 void* instancePtr = nullptr; | |
| 68 HRESULT result = anchor->QueryInterface(IID_IUnknown, &instancePtr); | |
| 69 if (FAILED(result)) | |
| 70 return result; | |
| 71 | |
| 72 IUnknown* unknownPtr = static_cast<IUnknown*>(instancePtr); | |
| 73 aAnchor->ppunkVal = &unknownPtr; | |
| 74 aAnchor->vt = VT_UNKNOWN; | |
| 75 return S_OK; | |
| 76 | |
| 77 A11Y_TRYBLOCK_END | |
| 78 } | |
| 79 | |
| 80 STDMETHODIMP | |
| 81 ia2AccessibleHyperlink::get_anchorTarget(long aIndex, VARIANT* aAnchorTarget) | |
| 82 { | |
| 83 A11Y_TRYBLOCK_BEGIN | |
| 84 | |
| 85 if (!aAnchorTarget) | |
| 86 return E_INVALIDARG; | |
| 87 | |
| 88 VariantInit(aAnchorTarget); | |
| 89 | |
| 90 Accessible* thisObj = static_cast<AccessibleWrap*>(this); | |
| 91 if (thisObj->IsDefunct()) | |
| 92 return CO_E_OBJNOTCONNECTED; | |
| 93 | |
| 94 if (aIndex < 0 || aIndex >= static_cast<long>(thisObj->AnchorCount())) | |
| 95 return E_INVALIDARG; | |
| 96 | |
| 97 if (!thisObj->IsLink()) | |
| 98 return S_FALSE; | |
| 99 | |
| 100 nsCOMPtr<nsIURI> uri = thisObj->AnchorURIAt(aIndex); | |
| 101 if (!uri) | |
| 102 return S_FALSE; | |
| 103 | |
| 104 nsAutoCString prePath; | |
| 105 nsresult rv = uri->GetPrePath(prePath); | |
| 106 if (NS_FAILED(rv)) | |
| 107 return GetHRESULT(rv); | |
| 108 | |
| 109 nsAutoCString path; | |
| 110 rv = uri->GetPath(path); | |
| 111 if (NS_FAILED(rv)) | |
| 112 return GetHRESULT(rv); | |
| 113 | |
| 114 nsAutoString stringURI; | |
| 115 AppendUTF8toUTF16(prePath, stringURI); | |
| 116 AppendUTF8toUTF16(path, stringURI); | |
| 117 | |
| 118 aAnchorTarget->vt = VT_BSTR; | |
| 119 aAnchorTarget->bstrVal = ::SysAllocStringLen(stringURI.get(), | |
| 120 stringURI.Length()); | |
| 121 return aAnchorTarget->bstrVal ? S_OK : E_OUTOFMEMORY; | |
| 122 | |
| 123 A11Y_TRYBLOCK_END | |
| 124 } | |
| 125 | |
| 126 STDMETHODIMP | |
| 127 ia2AccessibleHyperlink::get_startIndex(long* aIndex) | |
| 128 { | |
| 129 A11Y_TRYBLOCK_BEGIN | |
| 130 | |
| 131 if (!aIndex) | |
| 132 return E_INVALIDARG; | |
| 133 | |
| 134 *aIndex = 0; | |
| 135 | |
| 136 Accessible* thisObj = static_cast<AccessibleWrap*>(this); | |
| 137 if (thisObj->IsDefunct()) | |
| 138 return CO_E_OBJNOTCONNECTED; | |
| 139 | |
| 140 if (!thisObj->IsLink()) | |
| 141 return S_FALSE; | |
| 142 | |
| 143 *aIndex = thisObj->StartOffset(); | |
| 144 return S_OK; | |
| 145 | |
| 146 A11Y_TRYBLOCK_END | |
| 147 } | |
| 148 | |
| 149 STDMETHODIMP | |
| 150 ia2AccessibleHyperlink::get_endIndex(long* aIndex) | |
| 151 { | |
| 152 A11Y_TRYBLOCK_BEGIN | |
| 153 | |
| 154 if (!aIndex) | |
| 155 return E_INVALIDARG; | |
| 156 | |
| 157 *aIndex = 0; | |
| 158 | |
| 159 Accessible* thisObj = static_cast<AccessibleWrap*>(this); | |
| 160 if (thisObj->IsDefunct()) | |
| 161 return CO_E_OBJNOTCONNECTED; | |
| 162 | |
| 163 if (!thisObj->IsLink()) | |
| 164 return S_FALSE; | |
| 165 | |
| 166 *aIndex = thisObj->EndOffset(); | |
| 167 return S_OK; | |
| 168 | |
| 169 A11Y_TRYBLOCK_END | |
| 170 } | |
| 171 | |
| 172 STDMETHODIMP | |
| 173 ia2AccessibleHyperlink::get_valid(boolean* aValid) | |
| 174 { | |
| 175 A11Y_TRYBLOCK_BEGIN | |
| 176 | |
| 177 if (!aValid) | |
| 178 return E_INVALIDARG; | |
| 179 | |
| 180 *aValid = false; | |
| 181 | |
| 182 Accessible* thisObj = static_cast<AccessibleWrap*>(this); | |
| 183 if (thisObj->IsDefunct()) | |
| 184 return CO_E_OBJNOTCONNECTED; | |
| 185 | |
| 186 if (!thisObj->IsLink()) | |
| 187 return S_FALSE; | |
| 188 | |
| 189 *aValid = thisObj->IsLinkValid(); | |
| 190 return S_OK; | |
| 191 | |
| 192 A11Y_TRYBLOCK_END | |
| 193 } | |
| 194 |
