third_party/WebKit/Source/web/IndexedDBClientImpl.h

/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
 * 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.
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 */

#ifndef IndexedDBClientImpl_h
#define IndexedDBClientImpl_h

#include "modules/indexeddb/IndexedDBClient.h"

namespace blink {

class ExecutionContext;

// This class is used to bypass the disallowed dependency from modules/ to web/
// to call allowIndexedDB() from modules/. ChromeClient is a mechanism to bypass
// the dependency but we cannot use ChromeClient here because
// IndexedDBClientImpl is used by worker threads but ChromeClient works only
// for the main thread.
class IndexedDBClientImpl final : public IndexedDBClient {
 public:
  static IndexedDBClient* create(LocalFrame&);
  static IndexedDBClient* create(WorkerClients&);

  bool allowIndexedDB(ExecutionContext*, const String& name) override;

 private:
  explicit IndexedDBClientImpl(LocalFrame&);
  explicit IndexedDBClientImpl(WorkerClients&);
};

}  // namespace blink

#endif  // IndexedDBClientImpl_h