chrome/common/extensions/features/feature_channel.h

   1 // Copyright 2013 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 #ifndef CHROME_COMMON_EXTENSIONS_FEATURES_FEATURE_CHANNEL_H_
   6 #define CHROME_COMMON_EXTENSIONS_FEATURES_FEATURE_CHANNEL_H_
   7
   8 #include "chrome/common/chrome_version_info.h"
   9
  10 namespace extensions {
  11
  12 // Gets the current channel as seen by the Feature system.
  13 chrome::VersionInfo::Channel GetCurrentChannel();
  14
  15 // Sets the current channel as seen by the Feature system. In the browser
  16 // process this should be chrome::VersionInfo::GetChannel(), and in the
  17 // renderer this will need to come from an IPC.
  18 void SetCurrentChannel(chrome::VersionInfo::Channel channel);
  19
  20 // Gets the default channel as seen by the Feature system.
  21 chrome::VersionInfo::Channel GetDefaultChannel();
  22
  23 // Scoped channel setter. Use for tests.
  24 class ScopedCurrentChannel {
  25  public:
  26   explicit ScopedCurrentChannel(chrome::VersionInfo::Channel channel)
  27       : original_channel_(chrome::VersionInfo::CHANNEL_UNKNOWN) {
  28     original_channel_ = GetCurrentChannel();
  29     SetCurrentChannel(channel);
  30   }
  31
  32   ~ScopedCurrentChannel() {
  33     SetCurrentChannel(original_channel_);
  34   }
  35
  36  private:
  37   chrome::VersionInfo::Channel original_channel_;
  38 };
  39
  40 }  // namespace extensions
  41
  42 #endif  // CHROME_COMMON_EXTENSIONS_FEATURES_FEATURE_CHANNEL_H_