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Diffstat (limited to 'sal/inc/systools/win32/comtools.hxx')
-rw-r--r-- | sal/inc/systools/win32/comtools.hxx | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/sal/inc/systools/win32/comtools.hxx b/sal/inc/systools/win32/comtools.hxx deleted file mode 100644 index 1ef61ea3d967..000000000000 --- a/sal/inc/systools/win32/comtools.hxx +++ /dev/null @@ -1,187 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/* - * This file is part of the LibreOffice project. - * - * 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/. - * - * This file incorporates work covered by the following license notice: - * - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed - * with this work for additional information regarding copyright - * ownership. The ASF licenses this file to you under the Apache - * License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of - * the License at http://www.apache.org/licenses/LICENSE-2.0 . - */ - -#pragma once - -#include <string> -#include <stdexcept> -#if defined _MSC_VER -#pragma warning(push,1) -#endif -#include <objbase.h> -#if defined _MSC_VER -#pragma warning(pop) -#endif - -namespace sal -{ -namespace systools -{ - typedef int HRESULT; - - /* Simple exception class for propagating COM errors */ - class ComError : public std::runtime_error - { - public: - ComError(const std::string& message, HRESULT hr) : - std::runtime_error(message), - hr_(hr) - {} - - HRESULT GetHresult() const - { - return hr_; - } - - private: - HRESULT hr_; - }; - - /* A simple COM smart pointer template */ - template <typename T> - class COMReference - { - public: - COMReference() : - com_ptr_(NULL) - { - } - - explicit COMReference(T* comptr) : - com_ptr_(comptr) - { - addRef(); - } - - /* Explicitly controllable whether AddRef will be called or not */ - COMReference(T* comptr, bool bAddRef) : - com_ptr_(comptr) - { - if (bAddRef) - addRef(); - } - - COMReference(const COMReference<T>& other) : - com_ptr_(other.com_ptr_) - { - addRef(); - } - - COMReference<T>& operator=(const COMReference<T>& other) - { - if (other.com_ptr_) - other.com_ptr_->AddRef(); - release(); - com_ptr_ = other.com_ptr_; - return *this; - } - - COMReference<T>& operator=(T* comptr) - { - release(); - com_ptr_ = comptr; - addRef(); - return *this; - } - - ~COMReference() - { - release(); - } - - template<typename InterfaceType> - COMReference<InterfaceType> QueryInterface(REFIID iid) - { - COMReference<InterfaceType> ip; - HRESULT hr = E_FAIL; - if (com_ptr_) - hr = com_ptr_->QueryInterface(iid, reinterpret_cast<LPVOID*>(&ip)); - - if (FAILED(hr)) - throw ComError("QueryInterface failed: Interface not supported!", hr); - - return ip; - } - - T* operator->() const - { - return com_ptr_; - } - - T& operator*() const - { - return *com_ptr_; - } - - /* Necessary for assigning com_ptr_ from functions like - CoCreateInstance which require a 'void**' */ - T** operator&() - { - release(); - com_ptr_ = NULL; - return &com_ptr_; - } - - T* get() const - { - return com_ptr_; - } - - COMReference<T>& clear() - { - release(); - com_ptr_ = NULL; - return *this; - } - - bool is() const - { - return (com_ptr_ != NULL); - } - - private: - ULONG addRef() - { - ULONG cnt = 0; - if (com_ptr_) - cnt = com_ptr_->AddRef(); - return cnt; - } - - ULONG release() - { - ULONG cnt = 0; - if (com_ptr_) - cnt = com_ptr_->Release(); - return cnt; - } - - private: - T* com_ptr_; - }; - -} // systools -} // sal - -/* Typedefs for some popular COM interfaces */ -typedef sal::systools::COMReference<IDataObject> IDataObjectPtr; -typedef sal::systools::COMReference<IStream> IStreamPtr; -typedef sal::systools::COMReference<IEnumFORMATETC> IEnumFORMATETCPtr; - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |