1 /*
2 * Copyright 2007 The WebRTC Project Authors. All rights reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include <sstream>
12
13 #include "webrtc/base/common.h"
14 #include "webrtc/base/logging.h"
15 #include "webrtc/base/macutils.h"
16 #include "webrtc/base/scoped_ptr.h"
17 #include "webrtc/base/stringutils.h"
18
19 namespace rtc {
20
21 ///////////////////////////////////////////////////////////////////////////////
22
ToUtf8(const CFStringRef str16,std::string * str8)23 bool ToUtf8(const CFStringRef str16, std::string* str8) {
24 if ((NULL == str16) || (NULL == str8)) {
25 return false;
26 }
27 size_t maxlen = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str16),
28 kCFStringEncodingUTF8) + 1;
29 scoped_ptr<char[]> buffer(new char[maxlen]);
30 if (!buffer || !CFStringGetCString(str16, buffer.get(), maxlen,
31 kCFStringEncodingUTF8)) {
32 return false;
33 }
34 str8->assign(buffer.get());
35 return true;
36 }
37
ToUtf16(const std::string & str8,CFStringRef * str16)38 bool ToUtf16(const std::string& str8, CFStringRef* str16) {
39 if (NULL == str16) {
40 return false;
41 }
42 *str16 = CFStringCreateWithBytes(kCFAllocatorDefault,
43 reinterpret_cast<const UInt8*>(str8.data()),
44 str8.length(), kCFStringEncodingUTF8,
45 false);
46 return NULL != *str16;
47 }
48
49 #if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
DecodeFourChar(UInt32 fc,std::string * out)50 void DecodeFourChar(UInt32 fc, std::string* out) {
51 std::stringstream ss;
52 ss << '\'';
53 bool printable = true;
54 for (int i = 3; i >= 0; --i) {
55 char ch = (fc >> (8 * i)) & 0xFF;
56 if (isprint(static_cast<unsigned char>(ch))) {
57 ss << ch;
58 } else {
59 printable = false;
60 break;
61 }
62 }
63 if (printable) {
64 ss << '\'';
65 } else {
66 ss.str("");
67 ss << "0x" << std::hex << fc;
68 }
69 out->append(ss.str());
70 }
71
GetGestalt(OSType ostype,int * value)72 static bool GetGestalt(OSType ostype, int* value) {
73 ASSERT(NULL != value);
74 SInt32 native_value;
75 OSStatus result = Gestalt(ostype, &native_value);
76 if (noErr == result) {
77 *value = native_value;
78 return true;
79 }
80 std::string str;
81 DecodeFourChar(ostype, &str);
82 LOG_E(LS_ERROR, OS, result) << "Gestalt(" << str << ")";
83 return false;
84 }
85
GetOSVersion(int * major,int * minor,int * bugfix)86 bool GetOSVersion(int* major, int* minor, int* bugfix) {
87 ASSERT(major && minor && bugfix);
88 if (!GetGestalt(gestaltSystemVersion, major)) {
89 return false;
90 }
91 if (*major < 0x1040) {
92 *bugfix = *major & 0xF;
93 *minor = (*major >> 4) & 0xF;
94 *major = (*major >> 8);
95 return true;
96 }
97 return GetGestalt(gestaltSystemVersionMajor, major) &&
98 GetGestalt(gestaltSystemVersionMinor, minor) &&
99 GetGestalt(gestaltSystemVersionBugFix, bugfix);
100 }
101
GetOSVersionName()102 MacOSVersionName GetOSVersionName() {
103 int major = 0, minor = 0, bugfix = 0;
104 if (!GetOSVersion(&major, &minor, &bugfix)) {
105 return kMacOSUnknown;
106 }
107 if (major > 10) {
108 return kMacOSNewer;
109 }
110 if ((major < 10) || (minor < 3)) {
111 return kMacOSOlder;
112 }
113 switch (minor) {
114 case 3:
115 return kMacOSPanther;
116 case 4:
117 return kMacOSTiger;
118 case 5:
119 return kMacOSLeopard;
120 case 6:
121 return kMacOSSnowLeopard;
122 case 7:
123 return kMacOSLion;
124 case 8:
125 return kMacOSMountainLion;
126 case 9:
127 return kMacOSMavericks;
128 }
129 return kMacOSNewer;
130 }
131
GetQuickTimeVersion(std::string * out)132 bool GetQuickTimeVersion(std::string* out) {
133 int ver;
134 if (!GetGestalt(gestaltQuickTimeVersion, &ver)) {
135 return false;
136 }
137
138 std::stringstream ss;
139 ss << std::hex << ver;
140 *out = ss.str();
141 return true;
142 }
143
RunAppleScript(const std::string & script)144 bool RunAppleScript(const std::string& script) {
145 // TODO(thaloun): Add a .mm file that contains something like this:
146 // NSString source from script
147 // NSAppleScript* appleScript = [[NSAppleScript alloc] initWithSource:&source]
148 // if (appleScript != nil) {
149 // [appleScript executeAndReturnError:nil]
150 // [appleScript release]
151 #ifndef CARBON_DEPRECATED
152 ComponentInstance component = NULL;
153 AEDesc script_desc;
154 AEDesc result_data;
155 OSStatus err;
156 OSAID script_id, result_id;
157
158 AECreateDesc(typeNull, NULL, 0, &script_desc);
159 AECreateDesc(typeNull, NULL, 0, &result_data);
160 script_id = kOSANullScript;
161 result_id = kOSANullScript;
162
163 component = OpenDefaultComponent(kOSAComponentType, typeAppleScript);
164 if (component == NULL) {
165 LOG(LS_ERROR) << "Failed opening Apple Script component";
166 return false;
167 }
168 err = AECreateDesc(typeUTF8Text, script.data(), script.size(), &script_desc);
169 if (err != noErr) {
170 CloseComponent(component);
171 LOG(LS_ERROR) << "Failed creating Apple Script description";
172 return false;
173 }
174
175 err = OSACompile(component, &script_desc, kOSAModeCanInteract, &script_id);
176 if (err != noErr) {
177 AEDisposeDesc(&script_desc);
178 if (script_id != kOSANullScript) {
179 OSADispose(component, script_id);
180 }
181 CloseComponent(component);
182 LOG(LS_ERROR) << "Error compiling Apple Script";
183 return false;
184 }
185
186 err = OSAExecute(component, script_id, kOSANullScript, kOSAModeCanInteract,
187 &result_id);
188
189 if (err == errOSAScriptError) {
190 LOG(LS_ERROR) << "Error when executing Apple Script: " << script;
191 AECreateDesc(typeNull, NULL, 0, &result_data);
192 OSAScriptError(component, kOSAErrorMessage, typeChar, &result_data);
193 int len = AEGetDescDataSize(&result_data);
194 char* data = (char*)malloc(len);
195 if (data != NULL) {
196 err = AEGetDescData(&result_data, data, len);
197 LOG(LS_ERROR) << "Script error: " << std::string(data, len);
198 }
199 AEDisposeDesc(&script_desc);
200 AEDisposeDesc(&result_data);
201 return false;
202 }
203 AEDisposeDesc(&script_desc);
204 if (script_id != kOSANullScript) {
205 OSADispose(component, script_id);
206 }
207 if (result_id != kOSANullScript) {
208 OSADispose(component, result_id);
209 }
210 CloseComponent(component);
211 return true;
212 #else
213 // TODO(thaloun): Support applescripts with the NSAppleScript API.
214 return false;
215 #endif // CARBON_DEPRECATED
216 }
217 #endif // WEBRTC_MAC && !defined(WEBRTC_IOS)
218
219 ///////////////////////////////////////////////////////////////////////////////
220
221 } // namespace rtc
222