1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/accessible/src/windows/ia2/ia2AccessibleAction.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,195 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim:expandtab:shiftwidth=2:tabstop=2:
1.6 + */
1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +#include "ia2AccessibleAction.h"
1.12 +
1.13 +#include "AccessibleAction_i.c"
1.14 +
1.15 +#include "AccessibleWrap.h"
1.16 +#include "IUnknownImpl.h"
1.17 +
1.18 +using namespace mozilla::a11y;
1.19 +
1.20 +// IUnknown
1.21 +
1.22 +STDMETHODIMP
1.23 +ia2AccessibleAction::QueryInterface(REFIID iid, void** ppv)
1.24 +{
1.25 + if (!ppv)
1.26 + return E_INVALIDARG;
1.27 +
1.28 + *ppv = nullptr;
1.29 +
1.30 + if (IID_IAccessibleAction == iid) {
1.31 + *ppv = static_cast<IAccessibleAction*>(this);
1.32 + (reinterpret_cast<IUnknown*>(*ppv))->AddRef();
1.33 + return S_OK;
1.34 + }
1.35 +
1.36 + return E_NOINTERFACE;
1.37 +}
1.38 +
1.39 +// IAccessibleAction
1.40 +
1.41 +STDMETHODIMP
1.42 +ia2AccessibleAction::nActions(long* aActionCount)
1.43 +{
1.44 + A11Y_TRYBLOCK_BEGIN
1.45 +
1.46 + if (!aActionCount)
1.47 + return E_INVALIDARG;
1.48 +
1.49 + *aActionCount = 0;
1.50 +
1.51 + AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
1.52 + if (acc->IsDefunct())
1.53 + return CO_E_OBJNOTCONNECTED;
1.54 +
1.55 + *aActionCount = acc->ActionCount();
1.56 + return S_OK;
1.57 +
1.58 + A11Y_TRYBLOCK_END
1.59 +}
1.60 +
1.61 +STDMETHODIMP
1.62 +ia2AccessibleAction::doAction(long aActionIndex)
1.63 +{
1.64 + A11Y_TRYBLOCK_BEGIN
1.65 +
1.66 + AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
1.67 + if (acc->IsDefunct())
1.68 + return CO_E_OBJNOTCONNECTED;
1.69 +
1.70 + uint8_t index = static_cast<uint8_t>(aActionIndex);
1.71 + nsresult rv = acc->DoAction(index);
1.72 + return GetHRESULT(rv);
1.73 +
1.74 + A11Y_TRYBLOCK_END
1.75 +}
1.76 +
1.77 +STDMETHODIMP
1.78 +ia2AccessibleAction::get_description(long aActionIndex, BSTR *aDescription)
1.79 +{
1.80 + A11Y_TRYBLOCK_BEGIN
1.81 +
1.82 + if (!aDescription)
1.83 + return E_INVALIDARG;
1.84 +
1.85 + *aDescription = nullptr;
1.86 +
1.87 + AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
1.88 + if (acc->IsDefunct())
1.89 + return CO_E_OBJNOTCONNECTED;
1.90 +
1.91 + nsAutoString description;
1.92 + uint8_t index = static_cast<uint8_t>(aActionIndex);
1.93 + nsresult rv = acc->GetActionDescription(index, description);
1.94 + if (NS_FAILED(rv))
1.95 + return GetHRESULT(rv);
1.96 +
1.97 + if (description.IsEmpty())
1.98 + return S_FALSE;
1.99 +
1.100 + *aDescription = ::SysAllocStringLen(description.get(),
1.101 + description.Length());
1.102 + return *aDescription ? S_OK : E_OUTOFMEMORY;
1.103 +
1.104 + A11Y_TRYBLOCK_END
1.105 +}
1.106 +
1.107 +STDMETHODIMP
1.108 +ia2AccessibleAction::get_keyBinding(long aActionIndex, long aNumMaxBinding,
1.109 + BSTR **aKeyBinding,
1.110 + long *aNumBinding)
1.111 +{
1.112 + A11Y_TRYBLOCK_BEGIN
1.113 +
1.114 + if (!aKeyBinding)
1.115 + return E_INVALIDARG;
1.116 + *aKeyBinding = nullptr;
1.117 +
1.118 + if (!aNumBinding)
1.119 + return E_INVALIDARG;
1.120 + *aNumBinding = 0;
1.121 +
1.122 + if (aActionIndex != 0 || aNumMaxBinding < 1)
1.123 + return E_INVALIDARG;
1.124 +
1.125 + AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
1.126 + if (acc->IsDefunct())
1.127 + return CO_E_OBJNOTCONNECTED;
1.128 +
1.129 + // Expose keyboard shortcut if it's not exposed via MSAA keyboard shortcut.
1.130 + KeyBinding keyBinding = acc->AccessKey();
1.131 + if (keyBinding.IsEmpty())
1.132 + return S_FALSE;
1.133 +
1.134 + keyBinding = acc->KeyboardShortcut();
1.135 + if (keyBinding.IsEmpty())
1.136 + return S_FALSE;
1.137 +
1.138 + nsAutoString keyStr;
1.139 + keyBinding.ToString(keyStr);
1.140 +
1.141 + *aKeyBinding = static_cast<BSTR*>(::CoTaskMemAlloc(sizeof(BSTR*)));
1.142 + if (!*aKeyBinding)
1.143 + return E_OUTOFMEMORY;
1.144 +
1.145 + *(aKeyBinding[0]) = ::SysAllocStringLen(keyStr.get(), keyStr.Length());
1.146 + if (!*(aKeyBinding[0])) {
1.147 + ::CoTaskMemFree(*aKeyBinding);
1.148 + return E_OUTOFMEMORY;
1.149 + }
1.150 +
1.151 + *aNumBinding = 1;
1.152 + return S_OK;
1.153 +
1.154 + A11Y_TRYBLOCK_END
1.155 +}
1.156 +
1.157 +STDMETHODIMP
1.158 +ia2AccessibleAction::get_name(long aActionIndex, BSTR *aName)
1.159 +{
1.160 + A11Y_TRYBLOCK_BEGIN
1.161 +
1.162 + if (!aName)
1.163 + return E_INVALIDARG;
1.164 +
1.165 + *aName = nullptr;
1.166 +
1.167 + AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
1.168 + if (acc->IsDefunct())
1.169 + return CO_E_OBJNOTCONNECTED;
1.170 +
1.171 + nsAutoString name;
1.172 + uint8_t index = static_cast<uint8_t>(aActionIndex);
1.173 + nsresult rv = acc->GetActionName(index, name);
1.174 + if (NS_FAILED(rv))
1.175 + return GetHRESULT(rv);
1.176 +
1.177 + if (name.IsEmpty())
1.178 + return S_FALSE;
1.179 +
1.180 + *aName = ::SysAllocStringLen(name.get(), name.Length());
1.181 + return *aName ? S_OK : E_OUTOFMEMORY;
1.182 +
1.183 + A11Y_TRYBLOCK_END
1.184 +}
1.185 +
1.186 +STDMETHODIMP
1.187 +ia2AccessibleAction::get_localizedName(long aActionIndex, BSTR *aLocalizedName)
1.188 +{
1.189 + A11Y_TRYBLOCK_BEGIN
1.190 +
1.191 + if (!aLocalizedName)
1.192 + return E_INVALIDARG;
1.193 +
1.194 + *aLocalizedName = nullptr;
1.195 + return E_NOTIMPL;
1.196 +
1.197 + A11Y_TRYBLOCK_END
1.198 +}
