third_party/blink/renderer/modules/filesystem/entry_base.cc

/*
 * 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 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,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 */

#include "third_party/blink/renderer/modules/filesystem/entry_base.h"

#include "third_party/blink/renderer/modules/filesystem/dom_file_path.h"
#include "third_party/blink/renderer/modules/filesystem/dom_file_system_base.h"
#include "third_party/blink/renderer/modules/filesystem/file_system_directory_handle.h"
#include "third_party/blink/renderer/modules/filesystem/file_system_file_handle.h"
#include "third_party/blink/renderer/platform/weborigin/security_origin.h"

namespace blink {

EntryBase::EntryBase(DOMFileSystemBase* file_system, const String& full_path)
    : file_system_(file_system),
      full_path_(full_path),
      name_(DOMFilePath::GetName(full_path)) {}

EntryBase::~EntryBase() = default;

String EntryBase::toURL() const {
  if (!cached_url_.IsNull())
    return cached_url_;

  // Some filesystem type may not support toURL.
  if (!file_system_->SupportsToURL())
    cached_url_ = g_empty_string;
  else
    cached_url_ = file_system_->CreateFileSystemURL(this).GetString();
  return cached_url_;
}

FileSystemBaseHandle* EntryBase::asFileSystemHandle() const {
  if (isFile())
    return MakeGarbageCollected<FileSystemFileHandle>(filesystem(), fullPath());
  DCHECK(isDirectory());
  return MakeGarbageCollected<FileSystemDirectoryHandle>(filesystem(),
                                                         fullPath());
}

void EntryBase::Trace(blink::Visitor* visitor) {
  visitor->Trace(file_system_);
  ScriptWrappable::Trace(visitor);
}

}  // namespace blink