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();
30 static FeatureSwitch* app_view();
31 static FeatureSwitch* mime_handler_view();
44 // A temporary override for the switch value.
45 class ScopedOverride {
47 ScopedOverride(FeatureSwitch* feature, bool override_value);
50 FeatureSwitch* feature_;
51 FeatureSwitch::OverrideValue previous_value_;
52 DISALLOW_COPY_AND_ASSIGN(ScopedOverride);
55 // |switch_name| can be NULL, in which case the feature is controlled solely
56 // by the default and override values.
57 FeatureSwitch(const char* switch_name,
58 DefaultValue default_value);
59 FeatureSwitch(const base::CommandLine* command_line,
60 const char* switch_name,
61 DefaultValue default_value);
63 // Consider using ScopedOverride instead.
64 void SetOverrideValue(OverrideValue value);
65 OverrideValue GetOverrideValue() const;
67 bool IsEnabled() const;
70 void Init(const base::CommandLine* command_line,
71 const char* switch_name,
72 DefaultValue default_value);
74 std::string GetLegacyEnableFlag() const;
75 std::string GetLegacyDisableFlag() const;
77 const base::CommandLine* command_line_;
78 const char* switch_name_;
80 OverrideValue override_value_;
82 DISALLOW_COPY_AND_ASSIGN(FeatureSwitch);
85 } // namespace extensions
87 #endif // EXTENSIONS_COMMON_FEATURE_SWITCH_H_