| /* |
| * Copyright (C) 2013 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 |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (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 WebEmbeddedWorkerImpl_h |
| #define WebEmbeddedWorkerImpl_h |
| |
| #include <memory> |
| #include "core/exported/WorkerShadowPage.h" |
| #include "core/workers/GlobalScopeCreationParams.h" |
| #include "core/workers/WorkerClients.h" |
| #include "modules/ModulesExport.h" |
| #include "modules/serviceworkers/ServiceWorkerContentSettingsProxy.h" |
| #include "platform/heap/Handle.h" |
| #include "public/web/WebEmbeddedWorker.h" |
| #include "public/web/WebEmbeddedWorkerStartData.h" |
| #include "services/service_manager/public/cpp/interface_provider.h" |
| #include "services/service_manager/public/mojom/interface_provider.mojom-blink.h" |
| |
| namespace blink { |
| |
| class ContentSecurityPolicy; |
| class ServiceWorkerInstalledScriptsManager; |
| class WorkerInspectorProxy; |
| class WorkerScriptLoader; |
| class WorkerThread; |
| |
| class MODULES_EXPORT WebEmbeddedWorkerImpl final |
| : public WebEmbeddedWorker, |
| public WorkerShadowPage::Client { |
| WTF_MAKE_NONCOPYABLE(WebEmbeddedWorkerImpl); |
| |
| public: |
| WebEmbeddedWorkerImpl( |
| std::unique_ptr<WebServiceWorkerContextClient>, |
| std::unique_ptr<WebServiceWorkerInstalledScriptsManager>, |
| std::unique_ptr<ServiceWorkerContentSettingsProxy>, |
| service_manager::mojom::blink::InterfaceProviderPtrInfo); |
| ~WebEmbeddedWorkerImpl() override; |
| |
| // WebEmbeddedWorker overrides. |
| void StartWorkerContext(const WebEmbeddedWorkerStartData&) override; |
| void TerminateWorkerContext() override; |
| void ResumeAfterDownload() override; |
| void AddMessageToConsole(const WebConsoleMessage&) override; |
| void BindDevToolsAgent( |
| mojo::ScopedInterfaceEndpointHandle devtools_agent_request) override; |
| |
| void PostMessageToPageInspector(int session_id, const WTF::String&); |
| |
| // Applies the specified CSP and referrer policy to the worker, so that |
| // fetches initiated by the worker (other than for the main worker script |
| // itself) are affected by these policies. This must be called before starting |
| // script execution on the worker thread. |
| void SetContentSecurityPolicyAndReferrerPolicy(ContentSecurityPolicy*, |
| String referrer_policy); |
| |
| // WorkerShadowPage::Client overrides. |
| std::unique_ptr<WebApplicationCacheHost> CreateApplicationCacheHost( |
| WebApplicationCacheHostClient*) override; |
| void OnShadowPageInitialized() override; |
| |
| private: |
| // WebDevToolsAgentImpl::Client overrides. |
| void ResumeStartup() override; |
| const base::UnguessableToken& GetDevToolsWorkerToken() override; |
| |
| void OnScriptLoaderFinished(); |
| void StartWorkerThread(); |
| |
| WebEmbeddedWorkerStartData worker_start_data_; |
| |
| std::unique_ptr<WebServiceWorkerContextClient> worker_context_client_; |
| |
| // These are valid until StartWorkerThread() is called. After the worker |
| // thread is created, these are passed to the worker thread. |
| std::unique_ptr<ServiceWorkerInstalledScriptsManager> |
| installed_scripts_manager_; |
| std::unique_ptr<ServiceWorkerContentSettingsProxy> content_settings_client_; |
| |
| // Kept around only while main script loading is ongoing. |
| scoped_refptr<WorkerScriptLoader> main_script_loader_; |
| |
| std::unique_ptr<WorkerThread> worker_thread_; |
| Persistent<WorkerInspectorProxy> worker_inspector_proxy_; |
| |
| std::unique_ptr<WorkerShadowPage> shadow_page_; |
| |
| bool asked_to_terminate_ = false; |
| |
| enum WaitingForDebuggerState { kWaitingForDebugger, kNotWaitingForDebugger }; |
| |
| enum { |
| kDontPauseAfterDownload, |
| kDoPauseAfterDownload, |
| kIsPausedAfterDownload |
| } pause_after_download_state_; |
| |
| // Whether to pause the initialization and wait for debugger to attach |
| // before proceeding. This technique allows debugging worker startup. |
| WaitingForDebuggerState waiting_for_debugger_state_; |
| // Unique worker token used by DevTools to attribute different instrumentation |
| // to the same worker. |
| base::UnguessableToken devtools_worker_token_; |
| |
| service_manager::mojom::blink::InterfaceProviderPtrInfo |
| interface_provider_info_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // WebEmbeddedWorkerImpl_h |