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1 /* | |
2 * Copyright (c) 2015 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 | |
12 #import <AVFoundation/AVFoundation.h> | |
13 #import <Foundation/Foundation.h> | |
14 #import <sys/sysctl.h> | |
15 #if defined(WEBRTC_IOS) | |
16 #import <UIKit/UIKit.h> | |
17 #endif | |
18 | |
19 #include <memory> | |
20 | |
21 #include "webrtc/base/checks.h" | |
22 #include "webrtc/base/logging.h" | |
23 #include "webrtc/sdk/objc/Framework/Classes/helpers.h" | |
24 | |
25 namespace webrtc { | |
26 namespace ios { | |
27 | |
28 #if defined(WEBRTC_IOS) | |
29 bool isOperatingSystemAtLeastVersion(double version) { | |
30 return GetSystemVersion() >= version; | |
31 } | |
32 #endif | |
33 | |
34 NSString* NSStringFromStdString(const std::string& stdString) { | |
35 // std::string may contain null termination character so we construct | |
36 // using length. | |
37 return [[NSString alloc] initWithBytes:stdString.data() | |
38 length:stdString.length() | |
39 encoding:NSUTF8StringEncoding]; | |
40 } | |
41 | |
42 std::string StdStringFromNSString(NSString* nsString) { | |
43 NSData* charData = [nsString dataUsingEncoding:NSUTF8StringEncoding]; | |
44 return std::string(reinterpret_cast<const char*>([charData bytes]), | |
45 [charData length]); | |
46 } | |
47 | |
48 bool CheckAndLogError(BOOL success, NSError* error) { | |
49 if (!success) { | |
50 NSString* msg = | |
51 [NSString stringWithFormat:@"Error: %ld, %@, %@", (long)error.code, | |
52 error.localizedDescription, | |
53 error.localizedFailureReason]; | |
54 LOG(LS_ERROR) << StdStringFromNSString(msg); | |
55 return false; | |
56 } | |
57 return true; | |
58 } | |
59 | |
60 // TODO(henrika): see if it is possible to move to GetThreadName in | |
61 // platform_thread.h and base it on pthread methods instead. | |
62 std::string GetCurrentThreadDescription() { | |
63 NSString* name = [NSString stringWithFormat:@"%@", [NSThread currentThread]]; | |
64 return StdStringFromNSString(name); | |
65 } | |
66 | |
67 #if defined(WEBRTC_IOS) | |
68 std::string GetAudioSessionCategory() { | |
69 NSString* category = [[AVAudioSession sharedInstance] category]; | |
70 return StdStringFromNSString(category); | |
71 } | |
72 | |
73 std::string GetSystemName() { | |
74 NSString* osName = [[UIDevice currentDevice] systemName]; | |
75 return StdStringFromNSString(osName); | |
76 } | |
77 | |
78 std::string GetSystemVersionAsString() { | |
79 NSString* osVersion = [[UIDevice currentDevice] systemVersion]; | |
80 return StdStringFromNSString(osVersion); | |
81 } | |
82 | |
83 double GetSystemVersion() { | |
84 static dispatch_once_t once_token; | |
85 static double system_version; | |
86 dispatch_once(&once_token, ^{ | |
87 system_version = [UIDevice currentDevice].systemVersion.doubleValue; | |
88 }); | |
89 return system_version; | |
90 } | |
91 | |
92 std::string GetDeviceType() { | |
93 NSString* deviceModel = [[UIDevice currentDevice] model]; | |
94 return StdStringFromNSString(deviceModel); | |
95 } | |
96 #endif | |
97 | |
98 std::string GetDeviceName() { | |
99 size_t size; | |
100 sysctlbyname("hw.machine", NULL, &size, NULL, 0); | |
101 std::unique_ptr<char[]> machine; | |
102 machine.reset(new char[size]); | |
103 sysctlbyname("hw.machine", machine.get(), &size, NULL, 0); | |
104 return std::string(machine.get()); | |
105 } | |
106 | |
107 std::string GetProcessName() { | |
108 NSString* processName = [NSProcessInfo processInfo].processName; | |
109 return StdStringFromNSString(processName); | |
110 } | |
111 | |
112 int GetProcessID() { | |
113 return [NSProcessInfo processInfo].processIdentifier; | |
114 } | |
115 | |
116 std::string GetOSVersionString() { | |
117 NSString* osVersion = | |
118 [NSProcessInfo processInfo].operatingSystemVersionString; | |
119 return StdStringFromNSString(osVersion); | |
120 } | |
121 | |
122 int GetProcessorCount() { | |
123 return [NSProcessInfo processInfo].processorCount; | |
124 } | |
125 | |
126 #if defined(__IPHONE_9_0) && defined(__IPHONE_OS_VERSION_MAX_ALLOWED) \ | |
127 && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_9_0 | |
128 bool GetLowPowerModeEnabled() { | |
129 if (isOperatingSystemAtLeastVersion(9.0)) { | |
130 // lowPoweredModeEnabled is only available on iOS9+. | |
131 return [NSProcessInfo processInfo].lowPowerModeEnabled; | |
132 } | |
133 LOG(LS_WARNING) << "webrtc::ios::GetLowPowerModeEnabled() is not " | |
134 "supported. Requires at least iOS 9.0"; | |
135 return false; | |
136 } | |
137 #endif | |
138 | |
139 } // namespace ios | |
140 } // namespace webrtc | |
141 | |
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