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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=2:tabstop=2:
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "ia2AccessibleAction.h"
#include "AccessibleAction_i.c"
#include "AccessibleWrap.h"
#include "IUnknownImpl.h"
using namespace mozilla::a11y;
// IUnknown
STDMETHODIMP
ia2AccessibleAction::QueryInterface(REFIID iid, void** ppv)
{
if (!ppv)
return E_INVALIDARG;
*ppv = nullptr;
if (IID_IAccessibleAction == iid &&
!static_cast<AccessibleWrap*>(this)->IsProxy()) {
*ppv = static_cast<IAccessibleAction*>(this);
(reinterpret_cast<IUnknown*>(*ppv))->AddRef();
return S_OK;
}
return E_NOINTERFACE;
}
// IAccessibleAction
STDMETHODIMP
ia2AccessibleAction::nActions(long* aActionCount)
{
if (!aActionCount)
return E_INVALIDARG;
*aActionCount = 0;
AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
if (acc->IsDefunct())
return CO_E_OBJNOTCONNECTED;
*aActionCount = acc->ActionCount();
return S_OK;
}
STDMETHODIMP
ia2AccessibleAction::doAction(long aActionIndex)
{
AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
if (acc->IsDefunct())
return CO_E_OBJNOTCONNECTED;
uint8_t index = static_cast<uint8_t>(aActionIndex);
return acc->DoAction(index) ? S_OK : E_INVALIDARG;
}
STDMETHODIMP
ia2AccessibleAction::get_description(long aActionIndex, BSTR *aDescription)
{
if (!aDescription)
return E_INVALIDARG;
*aDescription = nullptr;
AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
if (acc->IsDefunct())
return CO_E_OBJNOTCONNECTED;
nsAutoString description;
uint8_t index = static_cast<uint8_t>(aActionIndex);
acc->ActionDescriptionAt(index, description);
if (description.IsEmpty())
return S_FALSE;
*aDescription = ::SysAllocStringLen(description.get(),
description.Length());
return *aDescription ? S_OK : E_OUTOFMEMORY;
}
STDMETHODIMP
ia2AccessibleAction::get_keyBinding(long aActionIndex, long aNumMaxBinding,
BSTR **aKeyBinding,
long *aNumBinding)
{
if (!aKeyBinding)
return E_INVALIDARG;
*aKeyBinding = nullptr;
if (!aNumBinding)
return E_INVALIDARG;
*aNumBinding = 0;
if (aActionIndex != 0 || aNumMaxBinding < 1)
return E_INVALIDARG;
AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
if (acc->IsDefunct())
return CO_E_OBJNOTCONNECTED;
// Expose keyboard shortcut if it's not exposed via MSAA keyboard shortcut.
KeyBinding keyBinding = acc->AccessKey();
if (keyBinding.IsEmpty())
return S_FALSE;
keyBinding = acc->KeyboardShortcut();
if (keyBinding.IsEmpty())
return S_FALSE;
nsAutoString keyStr;
keyBinding.ToString(keyStr);
*aKeyBinding = static_cast<BSTR*>(::CoTaskMemAlloc(sizeof(BSTR*)));
if (!*aKeyBinding)
return E_OUTOFMEMORY;
*(aKeyBinding[0]) = ::SysAllocStringLen(keyStr.get(), keyStr.Length());
if (!*(aKeyBinding[0])) {
::CoTaskMemFree(*aKeyBinding);
return E_OUTOFMEMORY;
}
*aNumBinding = 1;
return S_OK;
}
STDMETHODIMP
ia2AccessibleAction::get_name(long aActionIndex, BSTR *aName)
{
if (!aName)
return E_INVALIDARG;
*aName = nullptr;
AccessibleWrap* acc = static_cast<AccessibleWrap*>(this);
if (acc->IsDefunct())
return CO_E_OBJNOTCONNECTED;
nsAutoString name;
uint8_t index = static_cast<uint8_t>(aActionIndex);
acc->ActionNameAt(index, name);
if (name.IsEmpty())
return E_INVALIDARG;
*aName = ::SysAllocStringLen(name.get(), name.Length());
return *aName ? S_OK : E_OUTOFMEMORY;
}
STDMETHODIMP
ia2AccessibleAction::get_localizedName(long aActionIndex, BSTR *aLocalizedName)
{
if (!aLocalizedName)
return E_INVALIDARG;
*aLocalizedName = nullptr;
return E_NOTIMPL;
}
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