resource_request_utils.cc | Explore in Territory

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/platform/loader/fetch/resource_request_utils.h"

#include "base/feature_list.h"
#include "base/trace_event/common/trace_event_common.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/renderer/platform/loader/fetch/fetch_client_settings_object.h"
#include "third_party/blink/renderer/platform/loader/fetch/memory_cache.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_fetcher.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
#include "third_party/blink/renderer/platform/weborigin/referrer.h"
#include "third_party/blink/renderer/platform/weborigin/security_policy.h"

namespace blink {
namespace {

ReportingDisposition CalculateReportingDisposition(
    const FetchParameters& params) { … }

}  // namespace

// This function corresponds with step 2 substep 7 of
// https://fetch.spec.whatwg.org/#main-fetch.
void SetReferrer(
    ResourceRequest& request,
    const FetchClientSettingsObject& fetch_client_settings_object) { … }

ResourceLoadPriority AdjustPriorityWithPriorityHintAndRenderBlocking(
    ResourceLoadPriority priority,
    ResourceType type,
    mojom::blink::FetchPriorityHint fetch_priority_hint,
    RenderBlockingBehavior render_blocking_behavior) { … }

// This method simply takes in information about a ResourceRequest, and returns
// if the resource should be loaded in parallel (incremental) or sequentially
// for protocols that support multiplexing and HTTP extensible priorities
// (RFC 9218).
// Most content types can be operated on with partial data (document parsing,
// images, media, etc) but a few need to be complete before they can be
// processed.
bool ShouldLoadIncremental(ResourceType type) { … }

std::optional<ResourceRequestBlockedReason> PrepareResourceRequest(
    ResourceType resource_type,
    const FetchClientSettingsObject& fetch_client_settings_object,
    FetchParameters& params,
    FetchContext& context,
    WebScopedVirtualTimePauser& virtual_time_pauser,
    ResourceRequestContext& resource_request_context,
    const KURL& bundle_url_for_uuid_resources) { … }

void UpgradeResourceRequestForLoaderNew(
    ResourceType resource_type,
    FetchParameters& params,
    FetchContext& context,
    ResourceRequestContext& resource_request_context,
    WebScopedVirtualTimePauser& virtual_time_pauser) { … }

std::optional<ResourceRequestBlockedReason>
PrepareResourceRequestForCacheAccess(
    ResourceType resource_type,
    const FetchClientSettingsObject& fetch_client_settings_object,
    const KURL& bundle_url_for_uuid_resources,
    ResourceRequestContext& resource_request_context,
    FetchContext& context,
    FetchParameters& params) { … }

}  // namespace blink
chromium/third_party/blink/renderer/platform/loader/fetch/resource_request_utils.cc
