The Tor Browser / annotate

accessible/src/windows/ia2/ia2AccessibleAction.cpp@6474c204b198 (annotated)

accessible/src/windows/ia2/ia2AccessibleAction.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

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 "ia2AccessibleAction.h"
michael@0 9
michael@0 10 #include "AccessibleAction_i.c"
michael@0 11
michael@0 12 #include "AccessibleWrap.h"
michael@0 13 #include "IUnknownImpl.h"
michael@0 14
michael@0 15 using namespace mozilla::a11y;
michael@0 16
michael@0 17 // IUnknown
michael@0 18
michael@0 19 STDMETHODIMP
michael@0 20 ia2AccessibleAction::QueryInterface(REFIID iid, void** ppv)
michael@0 21 {
michael@0 22 if (!ppv)
michael@0 23 return E_INVALIDARG;
michael@0 24
michael@0 25 *ppv = nullptr;
michael@0 26
michael@0 27 if (IID_IAccessibleAction == iid) {
michael@0 28 *ppv = static_cast<IAccessibleAction*>(this);
michael@0 29 (reinterpret_cast<IUnknown*>(*ppv))->AddRef();
michael@0 30 return S_OK;
michael@0 31 }
michael@0 32
michael@0 33 return E_NOINTERFACE;
michael@0 34 }
michael@0 35
michael@0 36 // IAccessibleAction
michael@0 37
michael@0 38 STDMETHODIMP
michael@0 39 ia2AccessibleAction::nActions(long* aActionCount)
michael@0 40 {
michael@0 41 A11Y_TRYBLOCK_BEGIN
michael@0 42
michael@0 43 if (!aActionCount)
michael@0 44 return E_INVALIDARG;
michael@0 45
michael@0 46 *aActionCount = 0;
michael@0 47
michael@0 48 AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
michael@0 49 if (acc->IsDefunct())
michael@0 50 return CO_E_OBJNOTCONNECTED;
michael@0 51
michael@0 52 *aActionCount = acc->ActionCount();
michael@0 53 return S_OK;
michael@0 54
michael@0 55 A11Y_TRYBLOCK_END
michael@0 56 }
michael@0 57
michael@0 58 STDMETHODIMP
michael@0 59 ia2AccessibleAction::doAction(long aActionIndex)
michael@0 60 {
michael@0 61 A11Y_TRYBLOCK_BEGIN
michael@0 62
michael@0 63 AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
michael@0 64 if (acc->IsDefunct())
michael@0 65 return CO_E_OBJNOTCONNECTED;
michael@0 66
michael@0 67 uint8_t index = static_cast<uint8_t>(aActionIndex);
michael@0 68 nsresult rv = acc->DoAction(index);
michael@0 69 return GetHRESULT(rv);
michael@0 70
michael@0 71 A11Y_TRYBLOCK_END
michael@0 72 }
michael@0 73
michael@0 74 STDMETHODIMP
michael@0 75 ia2AccessibleAction::get_description(long aActionIndex, BSTR *aDescription)
michael@0 76 {
michael@0 77 A11Y_TRYBLOCK_BEGIN
michael@0 78
michael@0 79 if (!aDescription)
michael@0 80 return E_INVALIDARG;
michael@0 81
michael@0 82 *aDescription = nullptr;
michael@0 83
michael@0 84 AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
michael@0 85 if (acc->IsDefunct())
michael@0 86 return CO_E_OBJNOTCONNECTED;
michael@0 87
michael@0 88 nsAutoString description;
michael@0 89 uint8_t index = static_cast<uint8_t>(aActionIndex);
michael@0 90 nsresult rv = acc->GetActionDescription(index, description);
michael@0 91 if (NS_FAILED(rv))
michael@0 92 return GetHRESULT(rv);
michael@0 93
michael@0 94 if (description.IsEmpty())
michael@0 95 return S_FALSE;
michael@0 96
michael@0 97 *aDescription = ::SysAllocStringLen(description.get(),
michael@0 98 description.Length());
michael@0 99 return *aDescription ? S_OK : E_OUTOFMEMORY;
michael@0 100
michael@0 101 A11Y_TRYBLOCK_END
michael@0 102 }
michael@0 103
michael@0 104 STDMETHODIMP
michael@0 105 ia2AccessibleAction::get_keyBinding(long aActionIndex, long aNumMaxBinding,
michael@0 106 BSTR **aKeyBinding,
michael@0 107 long *aNumBinding)
michael@0 108 {
michael@0 109 A11Y_TRYBLOCK_BEGIN
michael@0 110
michael@0 111 if (!aKeyBinding)
michael@0 112 return E_INVALIDARG;
michael@0 113 *aKeyBinding = nullptr;
michael@0 114
michael@0 115 if (!aNumBinding)
michael@0 116 return E_INVALIDARG;
michael@0 117 *aNumBinding = 0;
michael@0 118
michael@0 119 if (aActionIndex != 0 || aNumMaxBinding < 1)
michael@0 120 return E_INVALIDARG;
michael@0 121
michael@0 122 AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
michael@0 123 if (acc->IsDefunct())
michael@0 124 return CO_E_OBJNOTCONNECTED;
michael@0 125
michael@0 126 // Expose keyboard shortcut if it's not exposed via MSAA keyboard shortcut.
michael@0 127 KeyBinding keyBinding = acc->AccessKey();
michael@0 128 if (keyBinding.IsEmpty())
michael@0 129 return S_FALSE;
michael@0 130
michael@0 131 keyBinding = acc->KeyboardShortcut();
michael@0 132 if (keyBinding.IsEmpty())
michael@0 133 return S_FALSE;
michael@0 134
michael@0 135 nsAutoString keyStr;
michael@0 136 keyBinding.ToString(keyStr);
michael@0 137
michael@0 138 *aKeyBinding = static_cast<BSTR*>(::CoTaskMemAlloc(sizeof(BSTR*)));
michael@0 139 if (!*aKeyBinding)
michael@0 140 return E_OUTOFMEMORY;
michael@0 141
michael@0 142 *(aKeyBinding[0]) = ::SysAllocStringLen(keyStr.get(), keyStr.Length());
michael@0 143 if (!*(aKeyBinding[0])) {
michael@0 144 ::CoTaskMemFree(*aKeyBinding);
michael@0 145 return E_OUTOFMEMORY;
michael@0 146 }
michael@0 147
michael@0 148 *aNumBinding = 1;
michael@0 149 return S_OK;
michael@0 150
michael@0 151 A11Y_TRYBLOCK_END
michael@0 152 }
michael@0 153
michael@0 154 STDMETHODIMP
michael@0 155 ia2AccessibleAction::get_name(long aActionIndex, BSTR *aName)
michael@0 156 {
michael@0 157 A11Y_TRYBLOCK_BEGIN
michael@0 158
michael@0 159 if (!aName)
michael@0 160 return E_INVALIDARG;
michael@0 161
michael@0 162 *aName = nullptr;
michael@0 163
michael@0 164 AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
michael@0 165 if (acc->IsDefunct())
michael@0 166 return CO_E_OBJNOTCONNECTED;
michael@0 167
michael@0 168 nsAutoString name;
michael@0 169 uint8_t index = static_cast<uint8_t>(aActionIndex);
michael@0 170 nsresult rv = acc->GetActionName(index, name);
michael@0 171 if (NS_FAILED(rv))
michael@0 172 return GetHRESULT(rv);
michael@0 173
michael@0 174 if (name.IsEmpty())
michael@0 175 return S_FALSE;
michael@0 176
michael@0 177 *aName = ::SysAllocStringLen(name.get(), name.Length());
michael@0 178 return *aName ? S_OK : E_OUTOFMEMORY;
michael@0 179
michael@0 180 A11Y_TRYBLOCK_END
michael@0 181 }
michael@0 182
michael@0 183 STDMETHODIMP
michael@0 184 ia2AccessibleAction::get_localizedName(long aActionIndex, BSTR *aLocalizedName)
michael@0 185 {
michael@0 186 A11Y_TRYBLOCK_BEGIN
michael@0 187
michael@0 188 if (!aLocalizedName)
michael@0 189 return E_INVALIDARG;
michael@0 190
michael@0 191 *aLocalizedName = nullptr;
michael@0 192 return E_NOTIMPL;
michael@0 193
michael@0 194 A11Y_TRYBLOCK_END
michael@0 195 }

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