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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/base/win/tsf_input_scope.h"
#include "base/logging.h"
namespace ui {
TsfInputScope::TsfInputScope(TextInputType text_input_type)
: text_input_type_(text_input_type),
ref_count_(0) {
}
TsfInputScope::~TsfInputScope() {
}
ULONG STDMETHODCALLTYPE TsfInputScope::AddRef() {
return InterlockedIncrement(&ref_count_);
}
ULONG STDMETHODCALLTYPE TsfInputScope::Release() {
const LONG count = InterlockedDecrement(&ref_count_);
if (!count) {
delete this;
return 0;
}
return static_cast<ULONG>(count);
}
STDMETHODIMP TsfInputScope::QueryInterface(REFIID iid, void** result) {
if (!result)
return E_INVALIDARG;
if (iid == IID_IUnknown || iid == IID_ITfInputScope) {
*result = static_cast<ITfInputScope*>(this);
} else {
*result = NULL;
return E_NOINTERFACE;
}
AddRef();
return S_OK;
}
STDMETHODIMP TsfInputScope::GetInputScopes(InputScope** input_scopes,
UINT* count) {
DCHECK_NE(text_input_type_, TEXT_INPUT_TYPE_NONE);
if (!count || !input_scopes)
return E_INVALIDARG;
*input_scopes = static_cast<InputScope*>(CoTaskMemAlloc(sizeof(InputScope)));
if (!input_scopes) {
*count = 0;
return E_OUTOFMEMORY;
}
(*input_scopes)[0] =
(text_input_type_ == TEXT_INPUT_TYPE_PASSWORD) ? IS_PASSWORD : IS_DEFAULT;
*count = 1;
return S_OK;
}
STDMETHODIMP TsfInputScope::GetPhrase(BSTR** phrases, UINT* count) {
return E_NOTIMPL;
}
STDMETHODIMP TsfInputScope::GetRegularExpression(BSTR* regexp) {
return E_NOTIMPL;
}
STDMETHODIMP TsfInputScope::GetSRGS(BSTR* srgs) {
return E_NOTIMPL;
}
STDMETHODIMP TsfInputScope::GetXML(BSTR* xml) {
return E_NOTIMPL;
}
} // namespace ui
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