third_party/WebKit/Source/modules/storage/StorageNamespace.cpp

/*
 * Copyright (C) 2009 Google Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
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 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GOOGLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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#include "modules/storage/StorageNamespace.h"

#include <memory>
#include "modules/storage/StorageArea.h"
#include "platform/weborigin/SecurityOrigin.h"
#include "platform/wtf/PtrUtil.h"
#include "public/platform/Platform.h"
#include "public/platform/WebSecurityOrigin.h"
#include "public/platform/WebStorageArea.h"
#include "public/platform/WebStorageNamespace.h"

namespace blink {

StorageNamespace::StorageNamespace(
    std::unique_ptr<WebStorageNamespace> web_storage_namespace)
    : web_storage_namespace_(std::move(web_storage_namespace)) {}

StorageNamespace::~StorageNamespace() {}

StorageArea* StorageNamespace::LocalStorageArea(const SecurityOrigin* origin) {
  DCHECK(IsMainThread());
  static std::unique_ptr<WebStorageNamespace> local_storage_namespace = nullptr;
  if (!local_storage_namespace)
    local_storage_namespace =
        Platform::Current()->CreateLocalStorageNamespace();
  return StorageArea::Create(
      WTF::WrapUnique(local_storage_namespace->CreateStorageArea(
          WebSecurityOrigin(origin))),
      kLocalStorage);
}

StorageArea* StorageNamespace::GetStorageArea(const SecurityOrigin* origin) {
  return StorageArea::Create(
      WTF::WrapUnique(
          web_storage_namespace_->CreateStorageArea(WebSecurityOrigin(origin))),
      kSessionStorage);
}

bool StorageNamespace::IsSameNamespace(
    const WebStorageNamespace& session_namespace) const {
  return web_storage_namespace_ &&
         web_storage_namespace_->IsSameNamespace(session_namespace);
}

}  // namespace blink