Cleanup of iOS AudioDevice implementation

webrtc/modules/utility/source/helpers_ios.mm

Index: webrtc/modules/utility/source/helpers_ios.mm
diff --git a/webrtc/modules/utility/source/helpers_ios.mm b/webrtc/modules/utility/source/helpers_ios.mm
new file mode 100644
index 0000000000000000000000000000000000000000..d36253072d71b45dcb9601c4ff3f4ebb4d9b4546
--- /dev/null
+++ b/webrtc/modules/utility/source/helpers_ios.mm
@@ -0,0 +1,172 @@
+/*
+ *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#if defined(WEBRTC_IOS)
+
+#import <Foundation/Foundation.h>
+#import <sys/sysctl.h>
+#import <UIKit/UIKit.h>
+
+#include "webrtc/base/checks.h"
+#include "webrtc/base/logging.h"
+#include "webrtc/base/scoped_ptr.h"
+#include "webrtc/modules/utility/interface/helpers_ios.h"
+
+namespace webrtc {
+namespace ios {
+
+// TODO(henrika): move to shared location.
+// See https://code.google.com/p/webrtc/issues/detail?id=4773 for details.
+NSString* NSStringFromStdString(const std::string& stdString) {
+  // std::string may contain null termination character so we construct
+  // using length.
+  return [[NSString alloc] initWithBytes:stdString.data()
+                                  length:stdString.length()
+                                encoding:NSUTF8StringEncoding];
+}
+
+std::string StdStringFromNSString(NSString* nsString) {
+  NSData* charData = [nsString dataUsingEncoding:NSUTF8StringEncoding];
+  return std::string(reinterpret_cast<const char*>([charData bytes]),
+                     [charData length]);
+}
+
+bool CheckAndLogError(BOOL success, NSError* error) {
+  if (!success) {
+    NSString* msg =
+        [NSString stringWithFormat:@"Error: %ld, %@, %@", (long)error.code,
+                                   error.localizedDescription,
+                                   error.localizedFailureReason];
+    LOG(LS_ERROR) << StdStringFromNSString(msg);
+    return false;
+  }
+  return true;
+}
+
+// TODO(henrika): see if it is possible to move to GetThreadName in
+// platform_thread.h and base it on pthread methods instead.
+std::string GetCurrentThreadDescription() {
+  NSString* name = [NSString stringWithFormat:@"%@", [NSThread currentThread]];
+  return StdStringFromNSString(name);
+}
+
+std::string GetSystemName() {
+  NSString* osName = [[UIDevice currentDevice] systemName];
+  return StdStringFromNSString(osName);
+}
+
+std::string GetSystemVersion() {
+  NSString* osVersion = [[UIDevice currentDevice] systemVersion];
+  return StdStringFromNSString(osVersion);
+}
+
+float GetSystemVersionAsFloat() {
+  NSString* osVersion = [[UIDevice currentDevice] systemVersion];
+  return osVersion.floatValue;
+}
+
+std::string GetDeviceType() {
+  NSString* deviceModel = [[UIDevice currentDevice] model];
+  return StdStringFromNSString(deviceModel);
+}
+
+std::string GetDeviceName() {
+  size_t size;
+  sysctlbyname("hw.machine", NULL, &size, NULL, 0);
+  rtc::scoped_ptr<char[]> machine;
+  machine.reset(new char[size]);
+  sysctlbyname("hw.machine", machine.get(), &size, NULL, 0);
+  std::string raw_name(machine.get());
+  if (!raw_name.compare("iPhone1,1"))
+    return std::string("iPhone 1G");
+  if (!raw_name.compare("iPhone1,2"))
+    return std::string("iPhone 3G");
+  if (!raw_name.compare("iPhone2,1"))
+    return std::string("iPhone 3GS");
+  if (!raw_name.compare("iPhone3,1"))
+    return std::string("iPhone 4");
+  if (!raw_name.compare("iPhone3,3"))
+    return std::string("Verizon iPhone 4");
+  if (!raw_name.compare("iPhone4,1"))
+    return std::string("iPhone 4S");
+  if (!raw_name.compare("iPhone5,1"))
+    return std::string("iPhone 5 (GSM)");
+  if (!raw_name.compare("iPhone5,2"))
+    return std::string("iPhone 5 (GSM+CDMA)");
+  if (!raw_name.compare("iPhone5,3"))
+    return std::string("iPhone 5c (GSM)");
+  if (!raw_name.compare("iPhone5,4"))
+    return std::string("iPhone 5c (GSM+CDMA)");
+  if (!raw_name.compare("iPhone6,1"))
+    return std::string("iPhone 5s (GSM)");
+  if (!raw_name.compare("iPhone6,2"))
+    return std::string("iPhone 5s (GSM+CDMA)");
+  if (!raw_name.compare("iPhone7,1"))
+    return std::string("iPhone 6 Plus");
+  if (!raw_name.compare("iPhone7,2"))
+    return std::string("iPhone 6");
+  if (!raw_name.compare("iPod1,1"))
+    return std::string("iPod Touch 1G");
+  if (!raw_name.compare("iPod2,1"))
+    return std::string("iPod Touch 2G");
+  if (!raw_name.compare("iPod3,1"))
+    return std::string("iPod Touch 3G");
+  if (!raw_name.compare("iPod4,1"))
+    return std::string("iPod Touch 4G");
+  if (!raw_name.compare("iPod5,1"))
+    return std::string("iPod Touch 5G");
+  if (!raw_name.compare("iPad1,1"))
+    return std::string("iPad");
+  if (!raw_name.compare("iPad2,1"))
+    return std::string("iPad 2 (WiFi)");
+  if (!raw_name.compare("iPad2,2"))
+    return std::string("iPad 2 (GSM)");
+  if (!raw_name.compare("iPad2,3"))
+    return std::string("iPad 2 (CDMA)");
+  if (!raw_name.compare("iPad2,4"))
+    return std::string("iPad 2 (WiFi)");
+  if (!raw_name.compare("iPad2,5"))
+    return std::string("iPad Mini (WiFi)");
+  if (!raw_name.compare("iPad2,6"))
+    return std::string("iPad Mini (GSM)");
+  if (!raw_name.compare("iPad2,7"))
+    return std::string("iPad Mini (GSM+CDMA)");
+  if (!raw_name.compare("iPad3,1"))
+    return std::string("iPad 3 (WiFi)");
+  if (!raw_name.compare("iPad3,2"))
+    return std::string("iPad 3 (GSM+CDMA)");
+  if (!raw_name.compare("iPad3,3"))
+    return std::string("iPad 3 (GSM)");
+  if (!raw_name.compare("iPad3,4"))
+    return std::string("iPad 4 (WiFi)");
+  if (!raw_name.compare("iPad3,5"))
+    return std::string("iPad 4 (GSM)");
+  if (!raw_name.compare("iPad3,6"))
+    return std::string("iPad 4 (GSM+CDMA)");
+  if (!raw_name.compare("iPad4,1"))
+    return std::string("iPad Air (WiFi)");
+  if (!raw_name.compare("iPad4,2"))
+    return std::string("iPad Air (Cellular)");
+  if (!raw_name.compare("iPad4,4"))
+    return std::string("iPad mini 2G (WiFi)");
+  if (!raw_name.compare("iPad4,5"))
+    return std::string("iPad mini 2G (Cellular)");
+  if (!raw_name.compare("i386"))
+    return std::string("Simulator");
+  if (!raw_name.compare("x86_64"))
+    return std::string("Simulator");
+  LOG(LS_WARNING) << "Failed to find device name";
+  return raw_name;
+}
+
+}  // namespace ios
+}  // namespace webrtc
+
+#endif  // defined(WEBRTC_IOS)