chromium/third_party/blink/renderer/core/loader/link_loader.cc

/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
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 * 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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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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#include "third_party/blink/renderer/core/loader/link_loader.h"

#include "third_party/blink/public/mojom/fetch/fetch_api_request.mojom-shared.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/web_feature.h"
#include "third_party/blink/renderer/core/loader/fetch_priority_attribute.h"
#include "third_party/blink/renderer/core/loader/link_load_parameters.h"
#include "third_party/blink/renderer/core/loader/link_loader_client.h"
#include "third_party/blink/renderer/core/loader/pending_link_preload.h"
#include "third_party/blink/renderer/core/loader/preload_helper.h"
#include "third_party/blink/renderer/core/loader/prerender_handle.h"
#include "third_party/blink/renderer/core/loader/resource/css_style_sheet_resource.h"
#include "third_party/blink/renderer/core/loader/subresource_integrity_helper.h"
#include "third_party/blink/renderer/core/page/viewport_description.h"
#include "third_party/blink/renderer/platform/heap/prefinalizer.h"
#include "third_party/blink/renderer/platform/instrumentation/use_counter.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_client.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_finish_observer.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_loader_options.h"
#include "third_party/blink/renderer/platform/loader/subresource_integrity.h"

namespace blink {

class WebPrescientNetworking;

namespace {

// Decide the prerender type based on the link rel attribute. Returns
// std::nullopt if the attribute doesn't indicate the prerender type.
std::optional<mojom::blink::PrerenderTriggerType>
PrerenderTriggerTypeFromRelAttribute(const LinkRelAttribute& rel_attribute,
                                     Document& document) {}

}  // namespace

LinkLoader::LinkLoader(LinkLoaderClient* client) :{}

void LinkLoader::NotifyFinished(Resource* resource) {}

// https://html.spec.whatwg.org/C/#link-type-modulepreload
void LinkLoader::NotifyModuleLoadFinished(ModuleScript* module) {}

Resource* LinkLoader::GetResourceForTesting() {}

bool LinkLoader::LoadLink(const LinkLoadParameters& params,
                          Document& document) {}

void LinkLoader::LoadStylesheet(
    const LinkLoadParameters& params,
    const AtomicString& local_name,
    const WTF::TextEncoding& charset,
    FetchParameters::DeferOption defer_option,
    Document& document,
    ResourceClient* link_client,
    RenderBlockingBehavior render_blocking_behavior) {}

void LinkLoader::Abort() {}

void LinkLoader::Trace(Visitor* visitor) const {}

}  // namespace blink