76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef _DOM_STORAGE_AREA_H
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#define _DOM_STORAGE_AREA_H
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#pragma once
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#include "base/hash_tables.h"
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#include "base/memory/ref_counted.h"
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#include "base/memory/scoped_ptr.h"
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#include "base/nullable_string16.h"
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#include "base/string16.h"
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#include "googleurl/src/gurl.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/WebStorageArea.h"
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class DOMStorageNamespace;
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// Only use on the WebKit thread. DOMStorageNamespace manages our registration
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// with DOMStorageContext.
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class DOMStorageArea {
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public:
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DOMStorageArea(const string16& origin,
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int64 id,
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DOMStorageNamespace* owner);
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~DOMStorageArea();
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unsigned Length();
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NullableString16 Key(unsigned index);
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NullableString16 GetItem(const string16& key);
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NullableString16 SetItem(
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const string16& key, const string16& value,
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WebKit::WebStorageArea::Result* result);
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NullableString16 RemoveItem(const string16& key);
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bool Clear();
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void PurgeMemory();
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int64 id() const { return id_; }
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DOMStorageNamespace* owner() const { return owner_; }
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const string16& origin() const { return origin_; }
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private:
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// Creates the underlying WebStorageArea on demand.
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void CreateWebStorageAreaIfNecessary();
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// The origin this storage area represents.
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string16 origin_;
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GURL origin_url_;
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// The storage area we wrap.
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scoped_ptr<WebKit::WebStorageArea> storage_area_;
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// Our storage area id. Unique to our parent context.
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int64 id_;
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// The DOMStorageNamespace that owns us.
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DOMStorageNamespace* owner_;
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DISALLOW_IMPLICIT_CONSTRUCTORS(DOMStorageArea);
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};
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#if defined(COMPILER_GCC)
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namespace __gnu_cxx {
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template<>
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struct hash<DOMStorageArea*> {
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std::size_t operator()(DOMStorageArea* const& p) const {
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return reinterpret_cast<std::size_t>(p);
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}
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};
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} // namespace __gnu_cxx
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#endif
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#endif // _DOM_STORAGE_AREA_H
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