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/*
 * 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,
 * 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_PLATFORM_LOADER_FETCH_RESOURCE_LOADER_OPTIONS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_LOADER_FETCH_RESOURCE_LOADER_OPTIONS_H_

#include "base/memory/scoped_refptr.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "services/network/public/mojom/url_loader_factory.mojom-blink-forward.h"
#include "third_party/blink/renderer/platform/loader/fetch/fetch_initiator_info.h"
#include "third_party/blink/renderer/platform/loader/fetch/integrity_metadata.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"

namespace blink {

enum DataBufferingPolicy : uint8_t { kBufferData, kDoNotBufferData };

enum ContentSecurityPolicyDisposition : uint8_t {
  kCheckContentSecurityPolicy,
  kDoNotCheckContentSecurityPolicy
};

enum RequestInitiatorContext : uint8_t {
  kDocumentContext,
  kWorkerContext,
};

enum SynchronousPolicy : uint8_t {
  kRequestSynchronously,
  kRequestAsynchronously
};

// Used by the ThreadableLoader to turn off part of the CORS handling
// logic in the ResourceFetcher to use its own CORS handling logic.
enum CorsHandlingByResourceFetcher {
  kDisableCorsHandlingByResourceFetcher,
  kEnableCorsHandlingByResourceFetcher,
};

// Was the request generated from a "parser-inserted" element?
// https://html.spec.whatwg.org/C/#parser-inserted
enum ParserDisposition : uint8_t { kParserInserted, kNotParserInserted };

enum CacheAwareLoadingEnabled : uint8_t {
  kNotCacheAwareLoadingEnabled,
  kIsCacheAwareLoadingEnabled
};

// This class is thread-bound. Do not copy/pass an instance across threads.
struct PLATFORM_EXPORT ResourceLoaderOptions {
  USING_FAST_MALLOC(ResourceLoaderOptions);

 public:
  // We define constructors, destructor, and assignment operator in
  // resource_loader_options.cc because they require the full definition of
  // URLLoaderFactory for |url_loader_factory| data member, and we'd like
  // to avoid to include huge url_loader_factory.mojom-blink.h.
  ResourceLoaderOptions();
  ResourceLoaderOptions(const ResourceLoaderOptions& other);
  ResourceLoaderOptions& operator=(const ResourceLoaderOptions& other);
  ~ResourceLoaderOptions();

  FetchInitiatorInfo initiator_info;

  DataBufferingPolicy data_buffering_policy;

  ContentSecurityPolicyDisposition content_security_policy_option;
  RequestInitiatorContext request_initiator_context;
  SynchronousPolicy synchronous_policy;

  // When set to kDisableCorsHandlingByResourceFetcher, the ResourceFetcher
  // suppresses part of its CORS handling logic.
  // Used by ThreadableLoader which does CORS handling by itself.
  CorsHandlingByResourceFetcher cors_handling_by_resource_fetcher;

  // Corresponds to the CORS flag in the Fetch spec.
  bool cors_flag;

  String content_security_policy_nonce;
  IntegrityMetadataSet integrity_metadata;
  ParserDisposition parser_disposition;
  CacheAwareLoadingEnabled cache_aware_loading_enabled;

  // If not null, this URLLoaderFactory should be used to load this resource
  // rather than whatever factory the system might otherwise use.
  // Used for example for loading blob: URLs and for prefetch loading.
  scoped_refptr<base::RefCountedData<
      mojo::PendingRemote<network::mojom::blink::URLLoaderFactory>>>
      url_loader_factory;
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_LOADER_FETCH_RESOURCE_LOADER_OPTIONS_H_