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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/common/chrome_version_info.h"
      6 
      7 #import <Foundation/Foundation.h>
      8 
      9 #include "base/basictypes.h"
     10 #include "base/mac/bundle_locations.h"
     11 #include "base/strings/sys_string_conversions.h"
     12 
     13 namespace chrome {
     14 
     15 // static
     16 std::string VersionInfo::GetVersionStringModifier() {
     17 #if defined(GOOGLE_CHROME_BUILD)
     18   // Use the main Chrome application bundle and not the framework bundle.
     19   // Keystone keys don't live in the framework.
     20   NSBundle* bundle = base::mac::OuterBundle();
     21   NSString* channel = [bundle objectForInfoDictionaryKey:@"KSChannelID"];
     22 
     23   // Only ever return "", "unknown", "beta", "dev", or "canary" in a branded
     24   // build.
     25   if (![bundle objectForInfoDictionaryKey:@"KSProductID"]) {
     26     // This build is not Keystone-enabled, it can't have a channel.
     27     channel = @"unknown";
     28   } else if (!channel) {
     29     // For the stable channel, KSChannelID is not set.
     30     channel = @"";
     31   } else if ([channel isEqual:@"beta"] ||
     32              [channel isEqual:@"dev"] ||
     33              [channel isEqual:@"canary"]) {
     34     // do nothing.
     35   } else {
     36     channel = @"unknown";
     37   }
     38 
     39   return base::SysNSStringToUTF8(channel);
     40 #else
     41   return std::string();
     42 #endif
     43 }
     44 
     45 // static
     46 VersionInfo::Channel VersionInfo::GetChannel() {
     47 #if defined(GOOGLE_CHROME_BUILD)
     48   std::string channel = GetVersionStringModifier();
     49   if (channel.empty()) {
     50     return CHANNEL_STABLE;
     51   } else if (channel == "beta") {
     52     return CHANNEL_BETA;
     53   } else if (channel == "dev") {
     54     return CHANNEL_DEV;
     55   } else if (channel == "canary") {
     56     return CHANNEL_CANARY;
     57   }
     58 #endif
     59 
     60   return CHANNEL_UNKNOWN;
     61 }
     62 
     63 }  // namespace chrome
     64