1/*
2 * Copyright 2002-2015, Haiku, Inc. All Rights Reserved.
3 * Distributed under the terms of the MIT License.
4 *
5 * Authors:
6 *		Michael Wilber
7 *		Axel D��rfler, axeld@pinc-software.de
8 */
9
10
11#include "TranslatorRosterPrivate.h"
12
13#include <Translator.h>
14
15
16BTranslator::BTranslator()
17	:
18	fOwningRoster(NULL),
19	fID(0),
20	fRefCount(1)
21{
22}
23
24
25BTranslator::~BTranslator()
26{
27}
28
29
30/*!
31	Increments the refcount and returns a pointer to this object.
32*/
33BTranslator *BTranslator::Acquire()
34{
35	if (atomic_add(&fRefCount, 1) > 0)
36		return this;
37
38	return NULL;
39}
40
41
42/*!
43	Decrements the refcount and returns a pointer to this object.
44	When the refcount hits zero, the object is destroyed. This is
45	so multiple objects can own the BTranslator and it won't get
46	deleted until all of them are done with it.
47
48	\return NULL, if the object was just deleted
49*/
50BTranslator *BTranslator::Release()
51{
52	int32 oldValue = atomic_add(&fRefCount, -1);
53	if (oldValue > 1)
54		return this;
55
56	if (fOwningRoster == NULL) {
57		delete this;
58		return NULL;
59	}
60
61	// If we have ever been part of a roster, notify the roster to delete us
62	// and unload our image in a thread-safe way
63	BMessage deleteRequest(B_DELETE_TRANSLATOR);
64
65	deleteRequest.AddPointer("ptr", this);
66	deleteRequest.AddInt32("id", fID);
67
68	BMessenger sender(fOwningRoster);
69	sender.SendMessage(&deleteRequest);
70
71	return NULL;
72}
73
74
75int32
76BTranslator::ReferenceCount()
77{
78	return fRefCount;
79}
80
81
82/*!
83	This virtual function is for creating a configuration view
84	for the translator so the user can change its settings.
85	This method is optional.
86*/
87status_t
88BTranslator::MakeConfigurationView(BMessage* ioExtension,
89	BView** outView, BRect* outExtent)
90{
91	return B_ERROR;
92}
93
94
95/*!
96	Puts the current configuration for the translator into
97	ioExtension. This method is optional.
98*/
99status_t
100BTranslator::GetConfigurationMessage(BMessage* ioExtension)
101{
102	return B_ERROR;
103}
104
105
106status_t BTranslator::_Reserved_Translator_0(int32 n, void *p) { return B_ERROR; }
107status_t BTranslator::_Reserved_Translator_1(int32 n, void *p) { return B_ERROR; }
108status_t BTranslator::_Reserved_Translator_2(int32 n, void *p) { return B_ERROR; }
109status_t BTranslator::_Reserved_Translator_3(int32 n, void *p) { return B_ERROR; }
110status_t BTranslator::_Reserved_Translator_4(int32 n, void *p) { return B_ERROR; }
111status_t BTranslator::_Reserved_Translator_5(int32 n, void *p) { return B_ERROR; }
112status_t BTranslator::_Reserved_Translator_6(int32 n, void *p) { return B_ERROR; }
113status_t BTranslator::_Reserved_Translator_7(int32 n, void *p) { return B_ERROR; }
114