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 CHROME_BROWSER_EXTENSIONS_API_SETTINGS_OVERRIDES_SETTINGS_OVERRIDES_API_H_
6 #define CHROME_BROWSER_EXTENSIONS_API_SETTINGS_OVERRIDES_SETTINGS_OVERRIDES_API_H_
11 #include "base/scoped_observer.h"
12 #include "chrome/browser/search_engines/template_url_service.h"
13 #include "extensions/browser/browser_context_keyed_api_factory.h"
14 #include "extensions/browser/extension_registry_observer.h"
18 namespace extensions {
19 class ExtensionRegistry;
21 class SettingsOverridesAPI : public BrowserContextKeyedAPI,
22 public ExtensionRegistryObserver {
24 explicit SettingsOverridesAPI(content::BrowserContext* context);
25 virtual ~SettingsOverridesAPI();
27 // BrowserContextKeyedAPI implementation.
28 static BrowserContextKeyedAPIFactory<SettingsOverridesAPI>*
32 friend class BrowserContextKeyedAPIFactory<SettingsOverridesAPI>;
34 typedef std::set<scoped_refptr<const Extension> > PendingExtensions;
36 // Wrappers around PreferenceAPI.
37 void SetPref(const std::string& extension_id,
38 const std::string& pref_key,
40 void UnsetPref(const std::string& extension_id,
41 const std::string& pref_key);
43 // ExtensionRegistryObserver implementation.
44 virtual void OnExtensionLoaded(content::BrowserContext* browser_context,
45 const Extension* extension) OVERRIDE;
46 virtual void OnExtensionUnloaded(
47 content::BrowserContext* browser_context,
48 const Extension* extension,
49 UnloadedExtensionInfo::Reason reason) OVERRIDE;
51 // KeyedService implementation.
52 virtual void Shutdown() OVERRIDE;
54 void OnTemplateURLsLoaded();
56 void RegisterSearchProvider(const Extension* extension) const;
57 // BrowserContextKeyedAPI implementation.
58 static const char* service_name() { return "SettingsOverridesAPI"; }
61 TemplateURLService* url_service_;
63 // List of extensions waiting for the TemplateURLService to Load to
64 // have search provider registered.
65 PendingExtensions pending_extensions_;
67 // Listen to extension load, unloaded notifications.
68 ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
69 extension_registry_observer_;
71 scoped_ptr<TemplateURLService::Subscription> template_url_sub_;
73 DISALLOW_COPY_AND_ASSIGN(SettingsOverridesAPI);
77 void BrowserContextKeyedAPIFactory<
78 SettingsOverridesAPI>::DeclareFactoryDependencies();
80 } // namespace extensions
82 #endif // CHROME_BROWSER_EXTENSIONS_API_SETTINGS_OVERRIDES_SETTINGS_OVERRIDES_API_H_