blob: 073b5f7134f1b9984e8a6f1fc1671ef43d6e7c09 [file] [log] [blame]
// Copyright 2017 The Chromium Embedded Framework Authors.
// Portions copyright 2016 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.
#include <map>
#include <memory>
#include <set>
#include "base/files/file_path.h"
#include "extensions/browser/value_store/value_store_factory.h"
#include "extensions/common/extension_id.h"
class ValueStore;
namespace extensions {
// Will either open a database on disk (if path provided) returning a
// |LeveldbValueStore|. Otherwise a new |CefValueStore| instance will be
// returned.
class CefValueStoreFactory : public ValueStoreFactory {
explicit CefValueStoreFactory(const base::FilePath& db_path);
// ValueStoreFactory
std::unique_ptr<ValueStore> CreateRulesStore() override;
std::unique_ptr<ValueStore> CreateStateStore() override;
std::unique_ptr<ValueStore> CreateSettingsStore(
settings_namespace::Namespace settings_namespace,
ModelType model_type,
const ExtensionId& extension_id) override;
void DeleteSettings(settings_namespace::Namespace settings_namespace,
ModelType model_type,
const ExtensionId& extension_id) override;
bool HasSettings(settings_namespace::Namespace settings_namespace,
ModelType model_type,
const ExtensionId& extension_id) override;
std::set<ExtensionId> GetKnownExtensionIDs(
settings_namespace::Namespace settings_namespace,
ModelType model_type) const override;
// Return the last created |ValueStore|. Use with caution as this may return
// a dangling pointer since the creator now owns the ValueStore which can be
// deleted at any time.
ValueStore* LastCreatedStore() const;
// Return a previously created |ValueStore| for an extension.
ValueStore* GetExisting(const ExtensionId& extension_id) const;
// Reset this class (as if just created).
void Reset();
// Manages a collection of |ValueStore|'s created for an app/extension.
// One of these exists for each setting type.
class StorageHelper {
std::set<ExtensionId> GetKnownExtensionIDs(ModelType model_type) const;
ValueStore* AddValueStore(const ExtensionId& extension_id,
ValueStore* value_store,
ModelType model_type);
void DeleteSettings(const ExtensionId& extension_id, ModelType model_type);
bool HasSettings(const ExtensionId& extension_id,
ModelType model_type) const;
void Reset();
ValueStore* GetExisting(const ExtensionId& extension_id) const;
std::map<ExtensionId, ValueStore*> app_stores_;
std::map<ExtensionId, ValueStore*> extension_stores_;
StorageHelper& GetStorageHelper(
settings_namespace::Namespace settings_namespace);
~CefValueStoreFactory() override;
base::FilePath db_path_;
ValueStore* last_created_store_ = nullptr;
// None of these value stores are owned by this factory, so care must be
// taken when calling GetExisting.
StorageHelper local_helper_;
StorageHelper sync_helper_;
StorageHelper managed_helper_;
} // namespace extensions