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// Copyright 2015 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_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WATCHER_H_
#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WATCHER_H_
#include <stdint.h>
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>
#include "base/callback.h"
#include "content/browser/service_worker/service_worker_context_core_observer.h"
#include "content/browser/service_worker/service_worker_info.h"
#include "content/common/content_export.h"
#include "third_party/blink/public/mojom/service_worker/service_worker_provider_type.mojom.h"
namespace content {
class ServiceWorkerContextWrapper;
enum class EmbeddedWorkerStatus;
// Used to monitor the status change of the ServiceWorker registrations and
// versions in the ServiceWorkerContext from UI thread.
class CONTENT_EXPORT ServiceWorkerContextWatcher
: public ServiceWorkerContextCoreObserver,
public base::RefCountedThreadSafe<ServiceWorkerContextWatcher> {
public:
typedef base::Callback<void(
const std::vector<ServiceWorkerRegistrationInfo>&)>
WorkerRegistrationUpdatedCallback;
typedef base::Callback<void(const std::vector<ServiceWorkerVersionInfo>&)>
WorkerVersionUpdatedCallback;
typedef base::Callback<void(int64_t /* registration_id */,
int64_t /* version_id */,
const ErrorInfo&)> WorkerErrorReportedCallback;
ServiceWorkerContextWatcher(
scoped_refptr<ServiceWorkerContextWrapper> context,
const WorkerRegistrationUpdatedCallback& registration_callback,
const WorkerVersionUpdatedCallback& version_callback,
const WorkerErrorReportedCallback& error_callback);
void Start();
void Stop();
private:
friend class base::RefCountedThreadSafe<ServiceWorkerContextWatcher>;
friend class ServiceWorkerContextWatcherTest;
~ServiceWorkerContextWatcher() override;
void GetStoredRegistrationsOnIOThread();
void OnStoredRegistrationsOnIOThread(
blink::ServiceWorkerStatusCode status,
const std::vector<ServiceWorkerRegistrationInfo>& stored_registrations);
void StopOnIOThread();
void StoreRegistrationInfo(
const ServiceWorkerRegistrationInfo& registration,
std::unordered_map<int64_t,
std::unique_ptr<ServiceWorkerRegistrationInfo>>*
info_map);
void StoreVersionInfo(const ServiceWorkerVersionInfo& version);
void SendRegistrationInfo(
int64_t registration_id,
const GURL& pattern,
ServiceWorkerRegistrationInfo::DeleteFlag delete_flag);
void SendVersionInfo(const ServiceWorkerVersionInfo& version);
void RunWorkerRegistrationUpdatedCallback(
std::unique_ptr<std::vector<ServiceWorkerRegistrationInfo>>
registrations);
void RunWorkerVersionUpdatedCallback(
std::unique_ptr<std::vector<ServiceWorkerVersionInfo>> versions);
void RunWorkerErrorReportedCallback(int64_t registration_id,
int64_t version_id,
std::unique_ptr<ErrorInfo> error_info);
// ServiceWorkerContextCoreObserver implements
void OnNewLiveRegistration(int64_t registration_id,
const GURL& pattern) override;
void OnNewLiveVersion(const ServiceWorkerVersionInfo& version_info) override;
void OnRunningStateChanged(
int64_t version_id,
content::EmbeddedWorkerStatus running_status) override;
void OnVersionStateChanged(
int64_t version_id,
content::ServiceWorkerVersion::Status status) override;
void OnVersionDevToolsRoutingIdChanged(int64_t version_id,
int process_id,
int devtools_agent_route_id) override;
void OnMainScriptHttpResponseInfoSet(
int64_t version_id,
base::Time script_response_time,
base::Time script_last_modified) override;
void OnErrorReported(int64_t version_id,
const ErrorInfo& info) override;
void OnReportConsoleMessage(int64_t version_id,
const ConsoleMessage& message) override;
void OnControlleeAdded(int64_t version_id,
const std::string& uuid,
const ServiceWorkerClientInfo& info) override;
void OnControlleeRemoved(int64_t version_id,
const std::string& uuid) override;
void OnRegistrationCompleted(int64_t registration_id,
const GURL& pattern) override;
void OnRegistrationDeleted(int64_t registration_id,
const GURL& pattern) override;
std::unordered_map<int64_t, std::unique_ptr<ServiceWorkerVersionInfo>>
version_info_map_;
scoped_refptr<ServiceWorkerContextWrapper> context_;
WorkerRegistrationUpdatedCallback registration_callback_;
WorkerVersionUpdatedCallback version_callback_;
WorkerErrorReportedCallback error_callback_;
// Should be used on UI thread only.
bool stop_called_ = false;
// Should be used on IO thread only.
bool is_stopped_ = false;
};
} // namespace content
#endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WATCHER_H_
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