| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef EXTENSIONS_COMMON_FEATURES_FEATURE_CHANNEL_H_ |
| #define EXTENSIONS_COMMON_FEATURES_FEATURE_CHANNEL_H_ |
| |
| #include "base/macros.h" |
| |
| namespace version_info { |
| enum class Channel; |
| } |
| |
| namespace extensions { |
| |
| // Gets the current channel as seen by the Feature system. |
| version_info::Channel GetCurrentChannel(); |
| |
| // Sets the current channel as seen by the Feature system. In the browser |
| // process this should be chrome::GetChannel(), and in the renderer this will |
| // need to come from an IPC. Note that the value set through this function may |
| // be overridden by |ScopedCurrentChannel|. |
| void SetCurrentChannel(version_info::Channel channel); |
| |
| // Scoped channel setter. Use for tests. |
| // Note that the lifetimes of multiple instances of this class must be disjoint |
| // or nested, but never overlapping. |
| class ScopedCurrentChannel { |
| public: |
| explicit ScopedCurrentChannel(version_info::Channel channel); |
| ~ScopedCurrentChannel(); |
| |
| private: |
| const version_info::Channel channel_; |
| const version_info::Channel original_overridden_channel_; |
| const int original_override_count_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScopedCurrentChannel); |
| }; |
| |
| } // namespace extensions |
| |
| #endif // EXTENSIONS_COMMON_FEATURES_FEATURE_CHANNEL_H_ |