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