chrome/browser/update_client/chrome_update_query_params_delegate.cc

   1 // Copyright 2014 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/browser/update_client/chrome_update_query_params_delegate.h"
   6
   7 #include "base/lazy_instance.h"
   8 #include "base/strings/stringprintf.h"
   9 #include "chrome/browser/browser_process.h"
  10 #include "chrome/common/channel_info.h"
  11 #include "components/version_info/version_info.h"
  12
  13 namespace {
  14
  15 const char kUnknown[] = "unknown";
  16 const char kStable[] = "stable";
  17 const char kBeta[] = "beta";
  18 const char kDev[] = "dev";
  19 const char kCanary[] = "canary";
  20
  21 base::LazyInstance<ChromeUpdateQueryParamsDelegate> g_delegate =
  22     LAZY_INSTANCE_INITIALIZER;
  23
  24 }  // namespace
  25
  26 ChromeUpdateQueryParamsDelegate::ChromeUpdateQueryParamsDelegate() {
  27 }
  28
  29 ChromeUpdateQueryParamsDelegate::~ChromeUpdateQueryParamsDelegate() {
  30 }
  31
  32 // static
  33 ChromeUpdateQueryParamsDelegate*
  34 ChromeUpdateQueryParamsDelegate::GetInstance() {
  35   return g_delegate.Pointer();
  36 }
  37
  38 std::string ChromeUpdateQueryParamsDelegate::GetExtraParams() {
  39   return base::StringPrintf(
  40       "&prodchannel=%s&prodversion=%s&lang=%s", GetChannelString(),
  41       version_info::GetVersionNumber().c_str(), GetLang());
  42 }
  43
  44 // static
  45 const char* ChromeUpdateQueryParamsDelegate::GetChannelString() {
  46   switch (chrome::GetChannel()) {
  47     case version_info::Channel::STABLE:
  48       return kStable;
  49       break;
  50     case version_info::Channel::BETA:
  51       return kBeta;
  52       break;
  53     case version_info::Channel::DEV:
  54       return kDev;
  55       break;
  56     case version_info::Channel::CANARY:
  57       return kCanary;
  58       break;
  59     case version_info::Channel::UNKNOWN:
  60       return kUnknown;
  61       break;
  62   }
  63   return kUnknown;
  64 }
  65
  66 // static
  67 const char* ChromeUpdateQueryParamsDelegate::GetLang() {
  68   return g_browser_process->GetApplicationLocale().c_str();
  69 }