VirtualBox

source: vbox/trunk/src/VBox/Main/glue/com.cpp@ 13243

Last change on this file since 13243 was 8155, checked in by vboxsync, 17 years ago

The Big Sun Rebranding Header Change

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 5.4 KB
Line 
1/* $Id: com.cpp 8155 2008-04-18 15:16:47Z vboxsync $ */
2
3/** @file
4 * MS COM / XPCOM Abstraction Layer
5 */
6
7/*
8 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
9 *
10 * This file is part of VirtualBox Open Source Edition (OSE), as
11 * available from http://www.virtualbox.org. This file is free software;
12 * you can redistribute it and/or modify it under the terms of the GNU
13 * General Public License (GPL) as published by the Free Software
14 * Foundation, in version 2 as it comes in the "COPYING" file of the
15 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
16 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
17 *
18 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
19 * Clara, CA 95054 USA or visit http://www.sun.com if you need
20 * additional information or have any questions.
21 */
22
23#if !defined (VBOX_WITH_XPCOM)
24
25#include <objbase.h>
26
27#else /* !defined (VBOX_WITH_XPCOM) */
28
29#include <stdlib.h>
30
31#include <nsCOMPtr.h>
32#include <nsIServiceManagerUtils.h>
33
34#include <nsIInterfaceInfo.h>
35#include <nsIInterfaceInfoManager.h>
36
37#endif /* !defined (VBOX_WITH_XPCOM) */
38
39#include <iprt/param.h>
40#include <iprt/path.h>
41#include <iprt/dir.h>
42#include <iprt/env.h>
43#include <iprt/string.h>
44
45#include <VBox/err.h>
46
47#include "VBox/com/com.h"
48#include "VBox/com/assert.h"
49
50#include <VBox/com/Guid.h>
51
52
53#ifdef RT_OS_DARWIN
54#define VBOX_USER_HOME_SUFFIX "Library/VirtualBox"
55#else
56#define VBOX_USER_HOME_SUFFIX ".VirtualBox"
57#endif
58
59
60namespace com
61{
62
63void GetInterfaceNameByIID (const GUID &aIID, BSTR *aName)
64{
65 Assert (aName);
66 if (!aName)
67 return;
68
69 *aName = NULL;
70
71#if !defined (VBOX_WITH_XPCOM)
72
73 LONG rc;
74 LPOLESTR iidStr = NULL;
75 if (StringFromIID (aIID, &iidStr) == S_OK)
76 {
77 HKEY ifaceKey;
78 rc = RegOpenKeyExW (HKEY_CLASSES_ROOT, L"Interface",
79 0, KEY_QUERY_VALUE, &ifaceKey);
80 if (rc == ERROR_SUCCESS)
81 {
82 HKEY iidKey;
83 rc = RegOpenKeyExW (ifaceKey, iidStr, 0, KEY_QUERY_VALUE, &iidKey);
84 if (rc == ERROR_SUCCESS)
85 {
86 /* determine the size and type */
87 DWORD sz, type;
88 rc = RegQueryValueExW (iidKey, NULL, NULL, &type, NULL, &sz);
89 if (rc == ERROR_SUCCESS && type == REG_SZ)
90 {
91 /* query the value to BSTR */
92 *aName = SysAllocStringLen (NULL, (sz + 1) /
93 sizeof (TCHAR) + 1);
94 rc = RegQueryValueExW (iidKey, NULL, NULL, NULL,
95 (LPBYTE) *aName, &sz);
96 if (rc != ERROR_SUCCESS)
97 {
98 SysFreeString (*aName);
99 aName = NULL;
100 }
101 }
102 RegCloseKey (iidKey);
103 }
104 RegCloseKey (ifaceKey);
105 }
106 CoTaskMemFree (iidStr);
107 }
108
109#else /* !defined (VBOX_WITH_XPCOM) */
110
111 nsresult rv;
112 nsCOMPtr <nsIInterfaceInfoManager> iim =
113 do_GetService (NS_INTERFACEINFOMANAGER_SERVICE_CONTRACTID, &rv);
114 if (NS_SUCCEEDED (rv))
115 {
116 nsCOMPtr <nsIInterfaceInfo> iinfo;
117 rv = iim->GetInfoForIID (&aIID, getter_AddRefs (iinfo));
118 if (NS_SUCCEEDED (rv))
119 {
120 const char *iname = NULL;
121 iinfo->GetNameShared (&iname);
122 char *utf8IName = NULL;
123 if (RT_SUCCESS (RTStrCurrentCPToUtf8 (&utf8IName, iname)))
124 {
125 PRTUTF16 utf16IName = NULL;
126 if (RT_SUCCESS (RTStrToUtf16 (utf8IName, &utf16IName)))
127 {
128 *aName = SysAllocString ((OLECHAR *) utf16IName);
129 RTUtf16Free (utf16IName);
130 }
131 RTStrFree (utf8IName);
132 }
133 }
134 }
135
136#endif /* !defined (VBOX_WITH_XPCOM) */
137}
138
139int GetVBoxUserHomeDirectory (char *aDir, size_t aDirLen)
140{
141 AssertReturn (aDir, VERR_INVALID_POINTER);
142 AssertReturn (aDirLen > 0, VERR_BUFFER_OVERFLOW);
143
144 /* start with null */
145 *aDir = 0;
146
147 const char *VBoxUserHome = RTEnvGet ("VBOX_USER_HOME");
148
149 char path [RTPATH_MAX];
150 int vrc = VINF_SUCCESS;
151
152 if (VBoxUserHome)
153 {
154 /* get the full path name */
155 char *VBoxUserHomeUtf8 = NULL;
156 vrc = RTStrCurrentCPToUtf8 (&VBoxUserHomeUtf8, VBoxUserHome);
157 if (RT_SUCCESS (vrc))
158 {
159 vrc = RTPathAbs (VBoxUserHomeUtf8, path, sizeof (path));
160 if (RT_SUCCESS (vrc))
161 {
162 if (aDirLen < strlen (path) + 1)
163 vrc = VERR_BUFFER_OVERFLOW;
164 else
165 strcpy (aDir, path);
166 }
167 RTStrFree (VBoxUserHomeUtf8);
168 }
169 }
170 else
171 {
172 /* compose the config directory (full path) */
173 vrc = RTPathUserHome (path, sizeof (path));
174 if (RT_SUCCESS (vrc))
175 {
176 size_t len =
177 RTStrPrintf (aDir, aDirLen, "%s%c%s",
178 path, RTPATH_DELIMITER, VBOX_USER_HOME_SUFFIX);
179 if (len != strlen (path) + 1 + strlen (VBOX_USER_HOME_SUFFIX))
180 vrc = VERR_BUFFER_OVERFLOW;
181 }
182 }
183
184 /* ensure the home directory exists */
185 if (RT_SUCCESS (vrc))
186 if (!RTDirExists (aDir))
187 vrc = RTDirCreateFullPath (aDir, 0777);
188
189 return vrc;
190}
191
192/* static */
193const Guid Guid::Empty; /* default ctor is OK */
194
195} /* namespace com */
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