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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 CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_SCRIPT_LOADER_FACTORY_H_
#define CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_SCRIPT_LOADER_FACTORY_H_
#include "base/macros.h"
#include "content/common/navigation_subresource_loader_params.h"
#include "services/network/public/mojom/url_loader_factory.mojom.h"
namespace network {
class SharedURLLoaderFactory;
} // namespace network
namespace content {
class AppCacheHost;
class ServiceWorkerProviderHost;
class SharedWorkerScriptLoader;
class ResourceContext;
// S13nServiceWorker:
// Created per one running shared worker for loading its script.
//
// Shared worker script loads require special logic because they are similiar to
// navigations from the point of view of web platform features like service
// worker.
//
// This creates a SharedWorkerScriptLoader to load the script, which follows
// redirects and sets the controller service worker on the shared worker if
// needed. It's an error to call CreateLoaderAndStart() more than a total of one
// time across this object or any of its clones.
class SharedWorkerScriptLoaderFactory
: public network::mojom::URLLoaderFactory {
public:
// |loader_factory| is used to load the script if the load is not intercepted
// by a feature like service worker. Typically it will load the script from
// the NetworkService. However, it may internally contain non-NetworkService
// factories used for non-http(s) URLs, e.g., a chrome-extension:// URL.
SharedWorkerScriptLoaderFactory(
int process_id,
base::WeakPtr<ServiceWorkerProviderHost> provider_host,
base::WeakPtr<AppCacheHost> appcache_host,
ResourceContext* resource_context,
scoped_refptr<network::SharedURLLoaderFactory> loader_factory);
~SharedWorkerScriptLoaderFactory() override;
// network::mojom::URLLoaderFactory:
void CreateLoaderAndStart(network::mojom::URLLoaderRequest request,
int32_t routing_id,
int32_t request_id,
uint32_t options,
const network::ResourceRequest& resource_request,
network::mojom::URLLoaderClientPtr client,
const net::MutableNetworkTrafficAnnotationTag&
traffic_annotation) override;
void Clone(network::mojom::URLLoaderFactoryRequest request) override;
base::WeakPtr<SharedWorkerScriptLoader> GetScriptLoader() {
return script_loader_;
}
private:
const int process_id_;
base::WeakPtr<ServiceWorkerProviderHost> service_worker_provider_host_;
base::WeakPtr<AppCacheHost> appcache_host_;
ResourceContext* resource_context_ = nullptr;
scoped_refptr<network::SharedURLLoaderFactory> loader_factory_;
// This is owned by StrongBinding associated with the given URLLoaderRequest,
// and invalidated after request completion or failure.
base::WeakPtr<SharedWorkerScriptLoader> script_loader_;
DISALLOW_COPY_AND_ASSIGN(SharedWorkerScriptLoaderFactory);
};
} // namespace content
#endif // CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_SCRIPT_LOADER_FACTORY_H_