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// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_DOM_STORAGE_H_
#define COBALT_DOM_STORAGE_H_
#include <string>
#include "base/callback.h"
#include "base/gtest_prod_util.h"
#include "base/memory/ref_counted.h"
#include "base/optional.h"
#include "cobalt/dom/storage_area.h"
#include "cobalt/script/property_enumerator.h"
#include "cobalt/script/wrappable.h"
#include "googleurl/src/gurl.h"
namespace cobalt {
namespace dom {
class LocalStorageDatabase;
class Window;
class Storage : public script::Wrappable {
public:
enum StorageType {
kLocalStorage,
kSessionStorage,
};
Storage(Window* window, StorageType type, LocalStorageDatabase* db);
// Web API
// https://www.w3.org/TR/2015/CR-webstorage-20150609/#storage-0
unsigned int length() const {
return static_cast<unsigned int>(area_->length());
}
base::optional<std::string> Key(unsigned int index) const {
return area_->Key(static_cast<int>(index));
}
base::optional<std::string> GetItem(const std::string& key) const {
return area_->GetItem(key);
}
void SetItem(const std::string& key, const std::string& value) {
area_->SetItem(key, value);
}
void RemoveItem(const std::string& key) { area_->RemoveItem(key); }
void Clear() { area_->Clear(); }
// Custom, not in any spec.
bool CanQueryNamedProperty(const std::string& name) const;
// Custom, not in any spec.
void EnumerateNamedProperties(script::PropertyEnumerator* enumerator) const;
virtual bool DispatchEvent(const base::optional<std::string>& key,
const base::optional<std::string>& old_value,
const base::optional<std::string>& new_value);
virtual GURL origin() const;
DEFINE_WRAPPABLE_TYPE(Storage);
protected:
Window* window_;
scoped_ptr<StorageArea> area_;
FRIEND_TEST(StorageAreaTest, InitialState);
FRIEND_TEST(StorageAreaTest, Identifier);
private:
DISALLOW_COPY_AND_ASSIGN(Storage);
};
} // namespace dom
} // namespace cobalt
#endif // COBALT_DOM_STORAGE_H_