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.
5 #ifndef EXTENSIONS_COMMON_FEATURE_SWITCH_H_
6 #define EXTENSIONS_COMMON_FEATURE_SWITCH_H_
10 #include "base/basictypes.h"
16 namespace extensions {
18 // A switch that can turn a feature on or off. Typically controlled via
19 // command-line switches but can be overridden, e.g., for testing.
22 static FeatureSwitch* easy_off_store_install();
23 static FeatureSwitch* force_dev_mode_highlighting();
24 static FeatureSwitch* prompt_for_external_extensions();
25 static FeatureSwitch* error_console();
26 static FeatureSwitch* enable_override_bookmarks_ui();
27 static FeatureSwitch* extension_action_redesign();
28 static FeatureSwitch* scripts_require_action();
29 static FeatureSwitch* embedded_extension_options();
42 // A temporary override for the switch value.
43 class ScopedOverride {
45 ScopedOverride(FeatureSwitch* feature, bool override_value);
48 FeatureSwitch* feature_;
49 FeatureSwitch::OverrideValue previous_value_;
50 DISALLOW_COPY_AND_ASSIGN(ScopedOverride);
53 // |switch_name| can be NULL, in which case the feature is controlled solely
54 // by the default and override values.
55 FeatureSwitch(const char* switch_name,
56 DefaultValue default_value);
57 FeatureSwitch(const base::CommandLine* command_line,
58 const char* switch_name,
59 DefaultValue default_value);
61 // Consider using ScopedOverride instead.
62 void SetOverrideValue(OverrideValue value);
63 OverrideValue GetOverrideValue() const;
65 bool IsEnabled() const;
68 void Init(const base::CommandLine* command_line,
69 const char* switch_name,
70 DefaultValue default_value);
72 std::string GetLegacyEnableFlag() const;
73 std::string GetLegacyDisableFlag() const;
75 const base::CommandLine* command_line_;
76 const char* switch_name_;
78 OverrideValue override_value_;
80 DISALLOW_COPY_AND_ASSIGN(FeatureSwitch);
83 } // namespace extensions
85 #endif // EXTENSIONS_COMMON_FEATURE_SWITCH_H_