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// Copyright 2017 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 CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_IMPL_H_
#define CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_IMPL_H_
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/optional.h"
#include "base/time/time.h"
#include "content/browser/loader/navigation_url_loader.h"
#include "content/common/navigation_params.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/ssl_status.h"
#include "content/public/common/previews_state.h"
#include "services/network/public/mojom/url_loader.mojom.h"
#include "services/network/public/mojom/url_loader_factory.mojom.h"
namespace net {
struct RedirectInfo;
}
namespace content {
class BrowserContext;
class NavigationLoaderInterceptor;
class PrefetchedSignedExchangeCache;
class ResourceContext;
class StoragePartition;
class StoragePartitionImpl;
struct GlobalRequestID;
class CONTENT_EXPORT NavigationURLLoaderImpl : public NavigationURLLoader {
public:
// The caller is responsible for ensuring that |delegate| outlives the loader.
// Note |initial_interceptors| is there for test purposes only.
NavigationURLLoaderImpl(
BrowserContext* browser_context,
ResourceContext* resource_context,
StoragePartition* storage_partition,
std::unique_ptr<NavigationRequestInfo> request_info,
std::unique_ptr<NavigationUIData> navigation_ui_data,
ServiceWorkerNavigationHandle* service_worker_handle,
AppCacheNavigationHandle* appcache_handle,
scoped_refptr<PrefetchedSignedExchangeCache>
prefetched_signed_exchange_cache,
NavigationURLLoaderDelegate* delegate,
std::vector<std::unique_ptr<NavigationLoaderInterceptor>>
initial_interceptors);
~NavigationURLLoaderImpl() override;
// NavigationURLLoader implementation:
void FollowRedirect(const std::vector<std::string>& removed_headers,
const net::HttpRequestHeaders& modified_headers,
PreviewsState new_previews_state) override;
void ProceedWithResponse() override;
void OnReceiveResponse(
scoped_refptr<network::ResourceResponse> response,
network::mojom::URLLoaderClientEndpointsPtr url_loader_client_endpoints,
const GlobalRequestID& global_request_id,
bool is_download,
base::TimeDelta total_ui_to_io_time,
base::Time io_post_time);
void OnReceiveRedirect(const net::RedirectInfo& redirect_info,
scoped_refptr<network::ResourceResponse> response,
base::Time io_post_time);
void OnComplete(const network::URLLoaderCompletionStatus& status);
// Overrides loading of frame requests when the network service is disabled.
// If the callback returns true, the frame request was intercepted. Otherwise
// it should be loaded normally through ResourceDispatcherHost. Passing an
// empty callback will restore the default behavior.
// This method must be called either on the IO thread or before threads start.
// This callback is run on the IO thread.
using BeginNavigationInterceptor = base::RepeatingCallback<bool(
network::mojom::URLLoaderRequest* request,
int32_t routing_id,
int32_t request_id,
uint32_t options,
const network::ResourceRequest& url_request,
network::mojom::URLLoaderClientPtr* client,
const net::MutableNetworkTrafficAnnotationTag& traffic_annotation)>;
static void SetBeginNavigationInterceptorForTesting(
const BeginNavigationInterceptor& interceptor);
// Intercepts loading of frame requests when network service is enabled and
// either a network::mojom::TrustedURLLoaderHeaderClient is being used or for
// schemes not handled by network service (e.g. files). This must be called on
// the UI thread or before threads start.
using URLLoaderFactoryInterceptor = base::RepeatingCallback<void(
network::mojom::URLLoaderFactoryRequest* request)>;
static void SetURLLoaderFactoryInterceptorForTesting(
const URLLoaderFactoryInterceptor& interceptor);
// Creates a URLLoaderFactory for a navigation. The factory uses
// |header_client|. This should have the same settings as the factory from the
// URLLoaderFactoryGetter. Called on the UI thread.
static void CreateURLLoaderFactoryWithHeaderClient(
network::mojom::TrustedURLLoaderHeaderClientPtrInfo header_client,
network::mojom::URLLoaderFactoryRequest factory_request,
StoragePartitionImpl* partition);
// Returns a Request ID for browser-initiated navigation requests. Called on
// the IO thread.
static GlobalRequestID MakeGlobalRequestID();
// Returns true if URLLoaderRequestController will be run on the UI thread.
static bool IsNavigationLoaderOnUIEnabled();
private:
class URLLoaderRequestController;
void OnRequestStarted(base::TimeTicks timestamp);
void BindNonNetworkURLLoaderFactoryRequest(
int frame_tree_node_id,
const GURL& url,
network::mojom::URLLoaderFactoryRequest factory);
NavigationURLLoaderDelegate* delegate_;
// Lives on the IO thread.
std::unique_ptr<URLLoaderRequestController> request_controller_;
NavigationDownloadPolicy download_policy_;
// Factories to handle navigation requests for non-network resources.
ContentBrowserClient::NonNetworkURLLoaderFactoryMap
non_network_url_loader_factories_;
// Counts the time overhead of all the hops from the IO to the UI threads.
base::TimeDelta io_to_ui_time_;
base::WeakPtrFactory<NavigationURLLoaderImpl> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(NavigationURLLoaderImpl);
};
} // namespace content
#endif // CONTENT_BROWSER_LOADER_NAVIGATION_URL_LOADER_IMPL_H_