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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_RESOURCE_LOAD_OBSERVER_FOR_FRAME_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_RESOURCE_LOAD_OBSERVER_FOR_FRAME_H_
#include <inttypes.h>
#include "base/containers/span.h"
#include "components/power_scheduler/power_mode_voter.h"
#include "third_party/blink/public/mojom/frame/back_forward_cache_controller.mojom-blink-forward.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/frame/web_feature_forward.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_load_observer.h"
namespace blink {
class CoreProbeSink;
class Document;
class DocumentLoader;
class ResourceFetcherProperties;
// ResourceLoadObserver implementation associated with a frame.
class CORE_EXPORT ResourceLoadObserverForFrame final
: public ResourceLoadObserver {
public:
ResourceLoadObserverForFrame(DocumentLoader& loader,
Document& document,
const ResourceFetcherProperties& properties);
~ResourceLoadObserverForFrame() override;
// ResourceLoadObserver implementation.
void DidStartRequest(const FetchParameters&, ResourceType) override;
void WillSendRequest(const ResourceRequest&,
const ResourceResponse& redirect_response,
ResourceType,
const ResourceLoaderOptions&,
RenderBlockingBehavior) override;
void DidChangePriority(uint64_t identifier,
ResourceLoadPriority,
int intra_priority_value) override;
void DidReceiveResponse(uint64_t identifier,
const ResourceRequest& request,
const ResourceResponse& response,
const Resource* resource,
ResponseSource) override;
void DidReceiveData(uint64_t identifier,
base::span<const char> chunk) override;
void DidReceiveTransferSizeUpdate(uint64_t identifier,
int transfer_size_diff) override;
void DidDownloadToBlob(uint64_t identifier, BlobDataHandle*) override;
void DidFinishLoading(uint64_t identifier,
base::TimeTicks finish_time,
int64_t encoded_data_length,
int64_t decoded_body_length,
bool should_report_corb_blocking) override;
void DidFailLoading(const KURL&,
uint64_t identifier,
const ResourceError&,
int64_t encoded_data_length,
IsInternalRequest) override;
void Trace(Visitor*) const override;
private:
CoreProbeSink* GetProbe();
void CountUsage(WebFeature);
void UpdatePowerModeVote();
// There are some overlap between |document_loader_|, |document_| and
// |fetcher_properties_|. Use |fetcher_properties_| whenever possible.
const Member<DocumentLoader> document_loader_;
const Member<Document> document_;
const Member<const ResourceFetcherProperties> fetcher_properties_;
std::unique_ptr<power_scheduler::PowerModeVoter> power_mode_voter_;
bool power_mode_vote_is_loading_ = false;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_LOADER_RESOURCE_LOAD_OBSERVER_FOR_FRAME_H_
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