src/chrome/common/extensions/features/chrome_channel_feature_filter.h

   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 #ifndef CHROME_COMMON_EXTENSIONS_FEATURES_CHROME_CHANNEL_FEATURE_FILTER_H_
   6 #define CHROME_COMMON_EXTENSIONS_FEATURES_CHROME_CHANNEL_FEATURE_FILTER_H_
   7
   8 #include "chrome/common/chrome_version_info.h"
   9 #include "extensions/common/features/simple_feature_filter.h"
  10
  11 namespace extensions {
  12
  13 // This filter parses a "channel" key from feature value data and makes features
  14 // unavailable if they aren't stable enough for the current channel.
  15 class ChromeChannelFeatureFilter : public SimpleFeatureFilter {
  16  public:
  17   explicit ChromeChannelFeatureFilter(SimpleFeature* feature);
  18   virtual ~ChromeChannelFeatureFilter();
  19
  20   // SimpleFeatureFilter implementation.
  21   virtual std::string Parse(const base::DictionaryValue* value) OVERRIDE;
  22   virtual Feature::Availability IsAvailableToManifest(
  23       const std::string& extension_id,
  24       Manifest::Type type,
  25       Manifest::Location location,
  26       int manifest_version,
  27       Feature::Platform platform) const OVERRIDE;
  28
  29  private:
  30   bool channel_has_been_set_;
  31   chrome::VersionInfo::Channel channel_;
  32 };
  33
  34 }  // namespace extensions
  35
  36 #endif  // CHROME_COMMON_EXTENSIONS_FEATURES_CHROME_CHANNEL_FEATURE_FILTER_H_