src/chrome/browser/extensions/api/settings_overrides/settings_overrides_api.h

   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/basictypes.h"
  12 #include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
  13 #include "chrome/browser/search_engines/template_url_service.h"
  14 #include "content/public/browser/notification_observer.h"
  15 #include "content/public/browser/notification_registrar.h"
  16
  17 class TemplateURL;
  18
  19 namespace extensions {
  20
  21 class SettingsOverridesAPI : public ProfileKeyedAPI,
  22                              public content::NotificationObserver {
  23  public:
  24   explicit SettingsOverridesAPI(Profile* profile);
  25   virtual ~SettingsOverridesAPI();
  26
  27   // ProfileKeyedAPI implementation.
  28   static ProfileKeyedAPIFactory<SettingsOverridesAPI>* GetFactoryInstance();
  29
  30  private:
  31   friend class ProfileKeyedAPIFactory<SettingsOverridesAPI>;
  32
  33   typedef std::set<scoped_refptr<const Extension> > PendingExtensions;
  34
  35   // Wrappers around PreferenceAPI.
  36   void SetPref(const std::string& extension_id,
  37                const std::string& pref_key,
  38                base::Value* value);
  39   void UnsetPref(const std::string& extension_id,
  40                  const std::string& pref_key);
  41   // content::NotificationObserver implementation.
  42   virtual void Observe(int type,
  43                        const content::NotificationSource& source,
  44                        const content::NotificationDetails& details) OVERRIDE;
  45   // BrowserContextKeyedService implementation.
  46   virtual void Shutdown() OVERRIDE;
  47
  48   void OnTemplateURLsLoaded();
  49
  50   void RegisterSearchProvider(const Extension* extension) const;
  51   // ProfileKeyedAPI implementation.
  52   static const char* service_name() { return "SettingsOverridesAPI"; }
  53
  54   Profile* profile_;
  55   TemplateURLService* url_service_;
  56
  57   // List of extensions waiting for the TemplateURLService to Load to
  58   // have search provider registered.
  59   PendingExtensions pending_extensions_;
  60
  61   content::NotificationRegistrar registrar_;
  62   scoped_ptr<TemplateURLService::Subscription> template_url_sub_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(SettingsOverridesAPI);
  65 };
  66
  67 template <>
  68 void ProfileKeyedAPIFactory<SettingsOverridesAPI>::DeclareFactoryDependencies();
  69
  70 }  // namespace extensions
  71
  72 #endif  // CHROME_BROWSER_EXTENSIONS_API_SETTINGS_OVERRIDES_SETTINGS_OVERRIDES_API_H_