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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_API_SETTINGS_OVERRIDES_SETTINGS_OVERRIDES_API_H_
#define CHROME_BROWSER_EXTENSIONS_API_SETTINGS_OVERRIDES_SETTINGS_OVERRIDES_API_H_
#include <set>
#include <string>
#include "base/scoped_observer.h"
#include "components/search_engines/template_url_service.h"
#include "extensions/browser/browser_context_keyed_api_factory.h"
#include "extensions/browser/extension_registry_observer.h"
class Profile;
class TemplateURL;
namespace extensions {
class ExtensionRegistry;
class SettingsOverridesAPI : public BrowserContextKeyedAPI,
public ExtensionRegistryObserver {
public:
explicit SettingsOverridesAPI(content::BrowserContext* context);
virtual ~SettingsOverridesAPI();
// BrowserContextKeyedAPI implementation.
static BrowserContextKeyedAPIFactory<SettingsOverridesAPI>*
GetFactoryInstance();
private:
friend class BrowserContextKeyedAPIFactory<SettingsOverridesAPI>;
typedef std::set<scoped_refptr<const Extension> > PendingExtensions;
// Wrappers around PreferenceAPI.
void SetPref(const std::string& extension_id,
const std::string& pref_key,
base::Value* value);
void UnsetPref(const std::string& extension_id,
const std::string& pref_key);
// ExtensionRegistryObserver implementation.
virtual void OnExtensionLoaded(content::BrowserContext* browser_context,
const Extension* extension) OVERRIDE;
virtual void OnExtensionUnloaded(
content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionInfo::Reason reason) OVERRIDE;
// KeyedService implementation.
virtual void Shutdown() OVERRIDE;
void OnTemplateURLsLoaded();
void RegisterSearchProvider(const Extension* extension) const;
// BrowserContextKeyedAPI implementation.
static const char* service_name() { return "SettingsOverridesAPI"; }
Profile* profile_;
TemplateURLService* url_service_;
// List of extensions waiting for the TemplateURLService to Load to
// have search provider registered.
PendingExtensions pending_extensions_;
// Listen to extension load, unloaded notifications.
ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
extension_registry_observer_;
scoped_ptr<TemplateURLService::Subscription> template_url_sub_;
DISALLOW_COPY_AND_ASSIGN(SettingsOverridesAPI);
};
template <>
void BrowserContextKeyedAPIFactory<
SettingsOverridesAPI>::DeclareFactoryDependencies();
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_SETTINGS_OVERRIDES_SETTINGS_OVERRIDES_API_H_
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