| /* |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_EXPORTED_WEB_SHARED_WORKER_IMPL_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_EXPORTED_WEB_SHARED_WORKER_IMPL_H_ |
| |
| #include "third_party/blink/public/web/web_shared_worker.h" |
| |
| #include <memory> |
| |
| #include "base/memory/scoped_refptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "services/service_manager/public/mojom/interface_provider.mojom-blink.h" |
| #include "third_party/blink/public/common/privacy_preferences.h" |
| #include "third_party/blink/public/mojom/net/ip_address_space.mojom-shared.h" |
| #include "third_party/blink/public/platform/web_content_security_policy.h" |
| #include "third_party/blink/public/web/web_shared_worker_client.h" |
| #include "third_party/blink/public/web/worker_content_settings_proxy.mojom-blink.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/exported/worker_shadow_page.h" |
| #include "third_party/blink/renderer/core/workers/shared_worker_reporting_proxy.h" |
| #include "third_party/blink/renderer/core/workers/worker_clients.h" |
| #include "third_party/blink/renderer/core/workers/worker_thread.h" |
| |
| namespace base { |
| class SingleThreadTaskRunner; |
| }; |
| |
| namespace network { |
| class SharedURLLoaderFactory; |
| }; |
| |
| namespace blink { |
| |
| class WebApplicationCacheHost; |
| class WebApplicationCacheHostClient; |
| class WebSharedWorkerClient; |
| class WebString; |
| class WebURL; |
| class WorkerClassicScriptLoader; |
| |
| // This class is used by the worker process code to talk to the SharedWorker |
| // implementation. This is basically accessed on the main thread, but some |
| // methods must be called from a worker thread. Such methods are suffixed with |
| // *OnWorkerThread or have header comments. |
| // |
| // Owned by WebSharedWorkerClient. |
| class CORE_EXPORT WebSharedWorkerImpl final : public WebSharedWorker, |
| public WorkerShadowPage::Client { |
| public: |
| explicit WebSharedWorkerImpl(WebSharedWorkerClient*); |
| ~WebSharedWorkerImpl() override; |
| |
| // WorkerShadowPage::Client overrides. |
| std::unique_ptr<WebApplicationCacheHost> CreateApplicationCacheHost( |
| WebApplicationCacheHostClient*) override; |
| void OnShadowPageInitialized() override; |
| |
| // WebDevToolsAgentImpl::Client overrides. |
| void ResumeStartup() override; |
| const base::UnguessableToken& GetDevToolsWorkerToken() override; |
| |
| // WebSharedWorker methods: |
| void StartWorkerContext( |
| const WebURL&, |
| const WebString& name, |
| const WebString& content_security_policy, |
| WebContentSecurityPolicyType, |
| mojom::IPAddressSpace, |
| const base::UnguessableToken& devtools_worker_token, |
| PrivacyPreferences privacy_preferences, |
| scoped_refptr<network::SharedURLLoaderFactory> loader_factory, |
| mojo::ScopedMessagePipeHandle content_settings_handle, |
| mojo::ScopedMessagePipeHandle interface_provider) override; |
| void Connect(MessagePortChannel) override; |
| void TerminateWorkerContext() override; |
| void PauseWorkerContextOnStart() override; |
| void BindDevToolsAgent( |
| mojo::ScopedInterfaceEndpointHandle devtools_agent_host_ptr_info, |
| mojo::ScopedInterfaceEndpointHandle devtools_agent_request) override; |
| scoped_refptr<base::SingleThreadTaskRunner> GetTaskRunner(TaskType) override; |
| |
| // Callback methods for SharedWorkerReportingProxy. |
| void CountFeature(WebFeature); |
| void DidCloseWorkerGlobalScope(); |
| void DidTerminateWorkerThread(); |
| |
| private: |
| WorkerThread* GetWorkerThread() { return worker_thread_.get(); } |
| |
| // Shuts down the worker thread. |
| void TerminateWorkerThread(); |
| |
| void DidReceiveScriptLoaderResponse(); |
| void OnScriptLoaderFinished(); |
| void ContinueOnScriptLoaderFinished(); |
| void StartWorkerThread(std::unique_ptr<GlobalScopeCreationParams>, |
| const KURL& script_response_url, |
| const String& source_code); |
| WorkerClients* CreateWorkerClients(); |
| |
| void ConnectTaskOnWorkerThread(MessagePortChannel); |
| |
| std::unique_ptr<WorkerShadowPage> shadow_page_; |
| // Unique worker token used by DevTools to attribute different instrumentation |
| // to the same worker. |
| base::UnguessableToken devtools_worker_token_; |
| |
| Persistent<SharedWorkerReportingProxy> reporting_proxy_; |
| std::unique_ptr<WorkerThread> worker_thread_; |
| mojom::blink::WorkerContentSettingsProxyPtrInfo content_settings_info_; |
| |
| // |client_| owns |this|. |
| WebSharedWorkerClient* client_; |
| |
| bool asked_to_terminate_ = false; |
| bool pause_worker_context_on_start_ = false; |
| bool is_paused_on_start_ = false; |
| |
| // Kept around only while main script loading is ongoing. |
| Persistent<WorkerClassicScriptLoader> main_script_loader_; |
| |
| WebURL script_request_url_; |
| WebString name_; |
| mojom::IPAddressSpace creation_address_space_; |
| |
| service_manager::mojom::blink::InterfaceProviderPtrInfo |
| pending_interface_provider_; |
| |
| // SharedWorker can sometimes run tasks that are initiated by/associated with |
| // a document's frame but these documents can be from a different process. So |
| // we intentionally populate the task runners with default task runners of the |
| // main thread. Note that |shadow_page_| should not be used as it's a dummy |
| // document for loading that doesn't represent the frame of any associated |
| // document. |
| Persistent<ParentExecutionContextTaskRunners> |
| parent_execution_context_task_runners_; |
| |
| base::WeakPtrFactory<WebSharedWorkerImpl> weak_ptr_factory_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_EXPORTED_WEB_SHARED_WORKER_IMPL_H_ |