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. 4 5#ifndef CHROME_BROWSER_EXTENSIONS_API_SETTINGS_OVERRIDES_SETTINGS_OVERRIDES_API_H_ 6#define CHROME_BROWSER_EXTENSIONS_API_SETTINGS_OVERRIDES_SETTINGS_OVERRIDES_API_H_ 7 8#include <set> 9#include <string> 10 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" 15 16class TemplateURL; 17 18namespace extensions { 19class ExtensionRegistry; 20 21class SettingsOverridesAPI : public BrowserContextKeyedAPI, 22 public ExtensionRegistryObserver { 23 public: 24 explicit SettingsOverridesAPI(content::BrowserContext* context); 25 virtual ~SettingsOverridesAPI(); 26 27 // BrowserContextKeyedAPI implementation. 28 static BrowserContextKeyedAPIFactory<SettingsOverridesAPI>* 29 GetFactoryInstance(); 30 31 private: 32 friend class BrowserContextKeyedAPIFactory<SettingsOverridesAPI>; 33 34 typedef std::set<scoped_refptr<const Extension> > PendingExtensions; 35 36 // Wrappers around PreferenceAPI. 37 void SetPref(const std::string& extension_id, 38 const std::string& pref_key, 39 base::Value* value); 40 void UnsetPref(const std::string& extension_id, 41 const std::string& pref_key); 42 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; 50 51 // KeyedService implementation. 52 virtual void Shutdown() OVERRIDE; 53 54 void OnTemplateURLsLoaded(); 55 56 void RegisterSearchProvider(const Extension* extension) const; 57 // BrowserContextKeyedAPI implementation. 58 static const char* service_name() { return "SettingsOverridesAPI"; } 59 60 Profile* profile_; 61 TemplateURLService* url_service_; 62 63 // List of extensions waiting for the TemplateURLService to Load to 64 // have search provider registered. 65 PendingExtensions pending_extensions_; 66 67 // Listen to extension load, unloaded notifications. 68 ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver> 69 extension_registry_observer_; 70 71 scoped_ptr<TemplateURLService::Subscription> template_url_sub_; 72 73 DISALLOW_COPY_AND_ASSIGN(SettingsOverridesAPI); 74}; 75 76template <> 77void BrowserContextKeyedAPIFactory< 78 SettingsOverridesAPI>::DeclareFactoryDependencies(); 79 80} // namespace extensions 81 82#endif // CHROME_BROWSER_EXTENSIONS_API_SETTINGS_OVERRIDES_SETTINGS_OVERRIDES_API_H_ 83