void NativeTextfieldWin::InitializeAccessibilityInfo()
{
// Set the accessible state.
accessibility_state_ = 0;
base::win::ScopedComPtr<IAccPropServices> pAccPropServices;
HRESULT hr = CoCreateInstance(CLSID_AccPropServices, NULL, CLSCTX_SERVER,
IID_IAccPropServices, reinterpret_cast<void**>(&pAccPropServices));
if(!SUCCEEDED(hr))
{
return;
}
VARIANT var;
// Set the accessible role.
var.vt = VT_I4;
var.lVal = ROLE_SYSTEM_TEXT;
hr = pAccPropServices->SetHwndProp(m_hWnd, OBJID_CLIENT,
CHILDID_SELF, PROPID_ACC_ROLE, var);
// Set the accessible name by getting the label text.
View* parent = textfield_->parent();
int label_index = parent->GetIndexOf(textfield_) - 1;
if(label_index >= 0)
{
// Try to find the name of this text field.
// We expect it to be a Label preceeding this view (if it exists).
string16 name;
View* label_view = parent->child_at(label_index);
if(label_view->GetClassName() == Label::kViewClassName)
{
ui::AccessibleViewState state;
label_view->GetAccessibleState(&state);
hr = pAccPropServices->SetHwndPropStr(m_hWnd, OBJID_CLIENT,
CHILDID_SELF, PROPID_ACC_NAME, state.name.c_str());
}
}
}
