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/*
* Copyright (c) 2008, 2014, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; version 2 of the
* License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#pragma once
#include <string>
#include <list>
#include "base/threading.h"
#ifdef _WIN32
# ifdef DECL_MFORMS_EXPORT
# define MFORMS_EXPORT __declspec(dllexport)
# else
# define MFORMS_EXPORT __declspec(dllimport)
# endif
#else
# define MFORMS_EXPORT
#endif
#if defined(__APPLE__) && !defined(MFORMS_STUB)
#ifdef nil
#undef nil
#endif
#define nil __DARWIN_NULL
#include <objc/objc-runtime.h>
#endif
#ifndef DOXYGEN_SHOULD_SKIP_THIS
namespace mforms {
// The root of of mforms hierarchy.
class MFORMS_EXPORT Object
{
public:
Object *retain();
void release();
virtual void set_managed();
void set_release_on_add(bool flag = true);
bool is_managed();
bool release_on_add();
// Below code is used for debugging
inline base::refcount_t retain_count() const { return _refcount; }
void set_destroying();
bool is_destroying();
#ifndef SWIG
//! Note: set_data and get_data should be used exclusively by the implementation code
//! for each platform.
#if defined(__APPLE__) && !defined(MFORMS_STUB)
public:
Object();
virtual ~Object();
void set_data(id data);
id get_data() const;
private:
id _data;
#else // !__APPLE__
public:
Object();
virtual ~Object();
typedef void (*FreeDataFn)(void*);
void set_data(void *data, FreeDataFn free_fn = 0);
template<class C>
C* get_data() const { return reinterpret_cast<C*>(_data); }
void *get_data_ptr() const;
private:
void *_data;
FreeDataFn _data_free_fn;
#endif // !__APPLE__
volatile mutable base::refcount_t _refcount;
//We use only ptr's in mforms.
Object(Object const& o) { throw std::logic_error("Copy c-tor unsupported in mforms::Object"); }
Object& operator= (Object const& o) { throw std::logic_error("Assignment operator not supported in mforms::Object"); return *this; }
protected:
bool _managed;
bool _release_on_add;
#endif // !SWIG
private:
bool _destroying;
};
//! Makes the passed object be released when retain count reaches 0
// Must be called for objects allocated with new that you won't delete manually
template<class C>
C* manage(C *obj, bool release_on_add = true)
{
obj->set_managed();
if (release_on_add)
obj->set_release_on_add();
return obj;
}
};
#endif // !DOXYGEN_SHOULD_SKIP_THIS
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