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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PAGE_LOAD_METRICS_RENDERER_PAGE_RESOURCE_DATA_USE_H_
#define COMPONENTS_PAGE_LOAD_METRICS_RENDERER_PAGE_RESOURCE_DATA_USE_H_
#include "base/byte_count.h"
#include "components/page_load_metrics/common/page_load_metrics.mojom.h"
#include "services/network/public/mojom/url_response_head.mojom-forward.h"
#include "third_party/blink/public/mojom/loader/resource_load_info.mojom-shared.h"
class GURL;
namespace network {
struct URLLoaderCompletionStatus;
} // namespace network
namespace url {
class SchemeHostPort;
} // namespace url
namespace page_load_metrics {
// PageResourceDataUse contains the data use information of one resource. Data
// use is updated when resource size updates are called.
class PageResourceDataUse {
public:
// Placeholder for a resource id that isn't known yet.
static constexpr int kUnknownResourceId = -1;
explicit PageResourceDataUse(int resource_id);
PageResourceDataUse(const PageResourceDataUse& other);
PageResourceDataUse& operator=(const PageResourceDataUse&) = delete;
~PageResourceDataUse();
void DidStartResponse(const url::SchemeHostPort& final_response_url,
int resource_id,
const network::mojom::URLResponseHead& response_head,
network::mojom::RequestDestination request_destination,
bool is_ad_resource);
// Updates received bytes.
void DidReceiveTransferSizeUpdate(base::ByteCount received_data_length);
// Updates received bytes information and decoded body length using the final
// state of the resource load.
void DidCompleteResponse(const network::URLLoaderCompletionStatus& status);
// Flags the resource as canceled.
void DidCancelResponse();
// Called when this resource was loaded from the memory cache. Resources
// loaded from the memory cache only receive a single update.
void DidLoadFromMemoryCache(const GURL& response_url,
base::ByteCount encoded_body_length,
const std::string& mime_type);
// Checks if the resource has completed loading or if the response was
// canceled.
bool IsFinishedLoading();
int resource_id() const { return resource_id_; }
void SetIsMainFrameResource(bool is_main_frame_resource);
// Creates a ResourceDataUpdate mojo for this resource. This page resource
// contains information since the last time update. Should be called at most
// once once per timing update.
mojom::ResourceDataUpdatePtr GetResourceDataUpdate();
private:
// Calculates the difference between |total_received_bytes_| and
// |last_update_bytes_|, returns it, and updates |last_update_bytes_|.
base::ByteCount CalculateNewlyReceivedBytes();
int resource_id_ = kUnknownResourceId;
base::ByteCount total_received_bytes_;
base::ByteCount last_update_bytes_;
base::ByteCount encoded_body_length_;
base::ByteCount decoded_body_length_;
bool is_complete_ = false;
bool is_canceled_ = false;
bool reported_as_ad_resource_ = false;
bool is_main_frame_resource_ = false;
bool is_secure_scheme_ = false;
bool proxy_used_ = false;
bool is_primary_frame_resource_ = false;
mojom::CacheType cache_type_ = mojom::CacheType::kNotCached;
std::string mime_type_;
};
} // namespace page_load_metrics
#endif // COMPONENTS_PAGE_LOAD_METRICS_RENDERER_PAGE_RESOURCE_DATA_USE_H_
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