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/*
* Copyright (C) 2008 Apple 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
* notice, this list of conditions and the following disclaimer.
* 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 APPLE 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 APPLE 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
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_STORAGE_STORAGE_AREA_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_STORAGE_STORAGE_AREA_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
#include "third_party/blink/renderer/core/dom/context_lifecycle_observer.h"
#include "third_party/blink/renderer/modules/storage/cached_storage_area.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
namespace blink {
class ExceptionState;
class LocalFrame;
class WebStorageArea;
class WebStorageNamespace;
class StorageArea final : public ScriptWrappable,
public ContextClient,
public CachedStorageArea::Source {
DEFINE_WRAPPERTYPEINFO();
USING_GARBAGE_COLLECTED_MIXIN(StorageArea);
public:
enum class StorageType { kLocalStorage, kSessionStorage };
// TODO(dmurph): Remove this after onion souping. crbug.com/781870
static StorageArea* Create(LocalFrame*,
std::unique_ptr<WebStorageArea>,
StorageType);
// Creates the onion-souped version.
static StorageArea* Create(LocalFrame*,
scoped_refptr<CachedStorageArea>,
StorageType);
// This storage area doesn't enqueue any events. This avoids duplicate event
// dispatch when an inspector agent is present.
static StorageArea* CreateForInspectorAgent(LocalFrame*,
scoped_refptr<CachedStorageArea>,
StorageType);
// TODO(dmurph): Remove this after onion souping. crbug.com/781870
StorageArea(LocalFrame*, std::unique_ptr<WebStorageArea>, StorageType);
StorageArea(LocalFrame*,
scoped_refptr<CachedStorageArea>,
StorageType,
bool should_enqueue_events);
unsigned length(ExceptionState&) const;
String key(unsigned index, ExceptionState&) const;
String getItem(const String& key, ExceptionState&) const;
bool setItem(const String& key, const String& value, ExceptionState&);
DeleteResult removeItem(const String& key, ExceptionState&);
void clear(ExceptionState&);
bool Contains(const String& key, ExceptionState& ec) const;
WebStorageArea* Area() const { return storage_area_.get(); }
void NamedPropertyEnumerator(Vector<String>&, ExceptionState&);
bool NamedPropertyQuery(const AtomicString&, ExceptionState&);
bool CanAccessStorage() const;
void Trace(blink::Visitor*) override;
// CachedStorageArea::Source:
KURL GetPageUrl() const override;
bool EnqueueStorageEvent(const String& key,
const String& old_value,
const String& new_value,
const String& url) override;
blink::WebScopedVirtualTimePauser CreateWebScopedVirtualTimePauser(
const char* name,
WebScopedVirtualTimePauser::VirtualTaskDuration duration) override;
// TODO(dmurph): Remove this after onion souping. crbug.com/781870
static void DispatchLocalStorageEvent(const String& key,
const String& old_value,
const String& new_value,
const SecurityOrigin*,
const KURL& page_url,
WebStorageArea* source_area_instance);
// TODO(dmurph): Remove this after onion souping. crbug.com/781870
static void DispatchSessionStorageEvent(const String& key,
const String& old_value,
const String& new_value,
const SecurityOrigin*,
const KURL& page_url,
const WebStorageNamespace&,
WebStorageArea* source_area_instance);
private:
// TODO(dmurph): Remove this after onion souping. crbug.com/781870
std::unique_ptr<WebStorageArea> storage_area_;
scoped_refptr<CachedStorageArea> cached_area_;
StorageType storage_type_;
const bool should_enqueue_events_;
mutable bool did_check_can_access_storage_ = false;
mutable bool can_access_storage_cached_result_ = false;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_STORAGE_STORAGE_AREA_H_
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