/*
 * Copyright (C) 2013 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 THE COPYRIGHT
 * OWNER 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 WebDOMFileSystem_h
#define WebDOMFileSystem_h

#include "../platform/WebCommon.h"
#include "../platform/WebFileSystem.h"
#include "../platform/WebPrivatePtr.h"
#include "../platform/WebString.h"
#include "../platform/WebURL.h"
#include "WebFrame.h"

#if BLINK_IMPLEMENTATION
#include "platform/heap/Handle.h"
#endif

namespace v8 {
class Isolate;
class Object;
class Value;
template <class T>
class Local;
}

namespace blink {

class DOMFileSystem;

class WebDOMFileSystem {
 public:
  enum SerializableType {
    SerializableTypeSerializable,
    SerializableTypeNotSerializable,
  };
  enum EntryType {
    EntryTypeFile,
    EntryTypeDirectory,
  };

  ~WebDOMFileSystem() { reset(); }

  WebDOMFileSystem() {}
  WebDOMFileSystem(const WebDOMFileSystem& d) { assign(d); }
  WebDOMFileSystem& operator=(const WebDOMFileSystem& d) {
    assign(d);
    return *this;
  }

  BLINK_EXPORT static WebDOMFileSystem fromV8Value(v8::Local<v8::Value>);
  // Create file system URL from the given entry.
  BLINK_EXPORT static WebURL createFileSystemURL(v8::Local<v8::Value> entry);

  // FIXME: Deprecate the last argument when all filesystems become
  // serializable.
  BLINK_EXPORT static WebDOMFileSystem create(
      WebLocalFrame*,
      WebFileSystemType,
      const WebString& name,
      const WebURL& rootURL,
      SerializableType = SerializableTypeNotSerializable);

  BLINK_EXPORT void reset();
  BLINK_EXPORT void assign(const WebDOMFileSystem&);

  BLINK_EXPORT WebString name() const;
  BLINK_EXPORT WebFileSystem::Type type() const;
  BLINK_EXPORT WebURL rootURL() const;

  BLINK_EXPORT v8::Local<v8::Value> toV8Value(
      v8::Local<v8::Object> creationContext,
      v8::Isolate*);
  BLINK_EXPORT v8::Local<v8::Value> createV8Entry(
      const WebString& path,
      EntryType,
      v8::Local<v8::Object> creationContext,
      v8::Isolate*);

  bool isNull() const { return m_private.isNull(); }

#if BLINK_IMPLEMENTATION
  WebDOMFileSystem(DOMFileSystem*);
  WebDOMFileSystem& operator=(DOMFileSystem*);
#endif

 private:
  WebPrivatePtr<DOMFileSystem> m_private;
};

}  // namespace blink

#endif  // WebDOMFileSystem_h