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// Copyright 2018 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 CHROME_RENDERER_PAGE_LOAD_METRICS_PAGE_RESOURCE_DATA_USE_H_
#define CHROME_RENDERER_PAGE_LOAD_METRICS_PAGE_RESOURCE_DATA_USE_H_
#include "base/macros.h"
#include "chrome/common/page_load_metrics/page_load_metrics.mojom.h"
#include "content/public/common/resource_type.h"
class GURL;
namespace network {
struct ResourceResponseHead;
struct URLLoaderCompletionStatus;
} // namespace network
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:
PageResourceDataUse();
PageResourceDataUse(const PageResourceDataUse& other);
~PageResourceDataUse();
void DidStartResponse(const GURL& response_url,
int resource_id,
const network::ResourceResponseHead& response_head,
content::ResourceType resource_type);
// Updates received bytes.
void DidReceiveTransferSizeUpdate(int received_data_length);
// Updates received bytes from encoded length, returns whether it was updated.
bool DidCompleteResponse(const network::URLLoaderCompletionStatus& status);
// Flags the resource as canceled.
void DidCancelResponse();
// Checks if the resource has completed loading or if the response was
// cancelled.
bool IsFinishedLoading();
int resource_id() const { return resource_id_; }
void SetReportedAsAdResource(bool reported_as_ad_resource);
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_|.
int CalculateNewlyReceivedBytes();
int resource_id_;
// Compression ratio estimated from the response headers if data saver was
// used.
double data_reduction_proxy_compression_ratio_estimate_;
uint64_t total_received_bytes_ = 0;
uint64_t last_update_bytes_ = 0;
uint64_t encoded_body_length_ = 0;
bool is_complete_;
bool is_canceled_;
bool reported_as_ad_resource_;
bool is_main_frame_resource_;
bool was_fetched_via_cache_;
bool is_secure_scheme_;
bool proxy_used_;
bool is_primary_frame_resource_ = false;
std::string mime_type_;
DISALLOW_ASSIGN(PageResourceDataUse);
};
} // namespace page_load_metrics
#endif // CHROME_RENDERER_PAGE_LOAD_METRICS_PAGE_RESOURCE_DATA_USE_H_