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/*
* 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 THIRD_PARTY_BLINK_RENDERER_MODULES_EXPORTED_WEB_EMBEDDED_WORKER_IMPL_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_EXPORTED_WEB_EMBEDDED_WORKER_IMPL_H_
#include <memory>
#include "services/service_manager/public/cpp/interface_provider.h"
#include "services/service_manager/public/mojom/interface_provider.mojom-blink.h"
#include "third_party/blink/public/platform/modules/cache_storage/cache_storage.mojom-blink.h"
#include "third_party/blink/public/web/web_embedded_worker.h"
#include "third_party/blink/public/web/web_embedded_worker_start_data.h"
#include "third_party/blink/renderer/core/exported/worker_shadow_page.h"
#include "third_party/blink/renderer/core/workers/global_scope_creation_params.h"
#include "third_party/blink/renderer/core/workers/worker_clients.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/modules/service_worker/service_worker_content_settings_proxy.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
namespace blink {
class ServiceWorkerInstalledScriptsManager;
class WorkerClassicScriptLoader;
class WorkerInspectorProxy;
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>,
mojom::blink::CacheStoragePtrInfo,
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&);
// 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<WorkerClassicScriptLoader> 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_;
mojom::blink::CacheStoragePtrInfo cache_storage_info_;
service_manager::mojom::blink::InterfaceProviderPtrInfo
interface_provider_info_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_EXPORTED_WEB_EMBEDDED_WORKER_IMPL_H_
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