template_url_fetcher.cc | Explore in Territory

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/search_engines/template_url_fetcher.h"

#include "base/functional/bind.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/not_fatal_until.h"
#include "base/ranges/algorithm.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "components/search_engines/template_url.h"
#include "components/search_engines/template_url_parser.h"
#include "components/search_engines/template_url_service.h"
#include "net/base/load_flags.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "services/network/public/cpp/resource_request.h"
#include "services/network/public/cpp/simple_url_loader.h"
#include "services/network/public/mojom/fetch_api.mojom-shared.h"

namespace {

// In some network environments, silent failure can be avoided by retrying
// request on network change. This helps OpenSearch get through in such cases.
// See https://crbug.com/956689 for context.
constexpr int kOpenSearchRetryCount = …;

// Timeout for OpenSearch description document (OSDD) fetch request.
// Requests for a particular resource are limited to one.
// Requests may not receive a response, and in that case no
// further requests would be allowed. The timeout cleans up failed requests
// so that later attempts to fetch the OSDD can be made.
constexpr int kOpenSearchTimeoutSeconds = …;

// Traffic annotation for RequestDelegate.
const net::NetworkTrafficAnnotationTag kTrafficAnnotation = …;

}  // namespace

// RequestDelegate ------------------------------------------------------------
class TemplateURLFetcher::RequestDelegate { … };

TemplateURLFetcher::RequestDelegate::RequestDelegate(
    TemplateURLFetcher* fetcher,
    const std::u16string& keyword,
    const GURL& osdd_url,
    const GURL& favicon_url,
    const url::Origin& initiator,
    network::mojom::URLLoaderFactory* url_loader_factory,
    int render_frame_id,
    int32_t request_id)
    : … { … }

void TemplateURLFetcher::RequestDelegate::OnTemplateURLParsed(
    std::unique_ptr<TemplateURL> template_url) { … }

void TemplateURLFetcher::RequestDelegate::OnLoaded() { … }

void TemplateURLFetcher::RequestDelegate::OnSimpleLoaderComplete(
    std::unique_ptr<std::string> response_body) { … }

void TemplateURLFetcher::RequestDelegate::AddSearchProvider() { … }

// TemplateURLFetcher ---------------------------------------------------------

TemplateURLFetcher::TemplateURLFetcher(TemplateURLService* template_url_service)
    : … { … }

TemplateURLFetcher::~TemplateURLFetcher() { … }

void TemplateURLFetcher::ScheduleDownload(
    const std::u16string& keyword,
    const GURL& osdd_url,
    const GURL& favicon_url,
    const url::Origin& initiator,
    network::mojom::URLLoaderFactory* url_loader_factory,
    int render_frame_id,
    int32_t request_id) { … }

void TemplateURLFetcher::RequestCompleted(RequestDelegate* request) { … }
chromium/components/search_engines/template_url_fetcher.cc
