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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_TASK_MANAGER_PROVIDERS_PER_PROFILE_WORKER_TASK_TRACKER_H_
#define CHROME_BROWSER_TASK_MANAGER_PROVIDERS_PER_PROFILE_WORKER_TASK_TRACKER_H_
#include <memory>
#include "base/containers/flat_map.h"
#include "base/containers/flat_set.h"
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/task_manager/providers/task.h"
#include "content/public/browser/dedicated_worker_service.h"
#include "content/public/browser/service_worker_context.h"
#include "content/public/browser/service_worker_context_observer.h"
#include "content/public/browser/shared_worker_service.h"
#include "third_party/blink/public/common/tokens/tokens.h"
class Profile;
namespace content {
class RenderProcessHost;
}
namespace url {
class Origin;
}
namespace task_manager {
class WorkerTask;
class WorkerTaskProvider;
// This is a helper class owned by WorkerTaskProvider to track all workers
// associated with a single profile. It manages the WorkerTasks and sends
// lifetime notifications to the WorkerTaskProvider.
class PerProfileWorkerTaskTracker
: public content::DedicatedWorkerService::Observer,
public content::SharedWorkerService::Observer,
public content::ServiceWorkerContextObserver {
public:
PerProfileWorkerTaskTracker(WorkerTaskProvider* worker_task_provider,
Profile* profile);
~PerProfileWorkerTaskTracker() override;
PerProfileWorkerTaskTracker(const PerProfileWorkerTaskTracker&) = delete;
PerProfileWorkerTaskTracker& operator=(const PerProfileWorkerTaskTracker&) =
delete;
// content::DedicatedWorkerService::Observer:
void OnWorkerCreated(const blink::DedicatedWorkerToken& worker_token,
int worker_process_id,
const url::Origin& security_origin,
content::DedicatedWorkerCreator creator) override;
void OnBeforeWorkerDestroyed(
const blink::DedicatedWorkerToken& worker_token,
content::DedicatedWorkerCreator creator) override;
void OnFinalResponseURLDetermined(
const blink::DedicatedWorkerToken& worker_token,
const GURL& url) override;
// content::SharedWorkerService::Observer:
void OnWorkerCreated(const blink::SharedWorkerToken& shared_worker_token,
int worker_process_id,
const url::Origin& security_origin,
const base::UnguessableToken& dev_tools_token) override;
void OnBeforeWorkerDestroyed(
const blink::SharedWorkerToken& shared_worker_token) override;
void OnFinalResponseURLDetermined(
const blink::SharedWorkerToken& shared_worker_token,
const GURL& url) override;
void OnClientAdded(
const blink::SharedWorkerToken& shared_worker_token,
content::GlobalRenderFrameHostId render_frame_host_id) override {}
void OnClientRemoved(
const blink::SharedWorkerToken& shared_worker_token,
content::GlobalRenderFrameHostId render_frame_host_id) override {}
// content::ServiceWorkerContextObserver:
void OnVersionStartedRunning(
int64_t version_id,
const content::ServiceWorkerRunningInfo& running_info) override;
void OnVersionStoppedRunning(int64_t version_id) override;
private:
// Creates a WorkerTask and inserts it into |out_worker_tasks|. Then it
// notifies the |worker_task_provider_| about the new Task.
//
// Note that this function is templated because each worker type uses a
// different type as its ID.
template <typename WorkerId>
void CreateWorkerTask(
const WorkerId& worker_id,
Task::Type task_type,
content::RenderProcessHost* worker_process_host,
base::flat_map<WorkerId, std::unique_ptr<WorkerTask>>* out_worker_tasks);
// Deletes an existing WorkerTask from |out_worker_tasks| and notifies
// |worker_task_provider_| about the deletion of the task.
//
// Note that this function is templated because each worker type uses a
// different type as its ID.
template <typename WorkerId>
void DeleteWorkerTask(
const WorkerId& worker_id,
base::flat_map<WorkerId, std::unique_ptr<WorkerTask>>* out_worker_tasks);
// Sets the script URL of an existing WorkerTask.
//
// Note that this function is templated because each worker type uses a
// different type as its ID.
template <typename WorkerId>
void SetWorkerTaskScriptUrl(
const WorkerId& worker_id,
const GURL& script_url,
base::flat_map<WorkerId, std::unique_ptr<WorkerTask>>* out_worker_tasks);
// The provider that gets notified when a WorkerTask is created/deleted.
const raw_ptr<WorkerTaskProvider> worker_task_provider_; // Owner.
// For dedicated workers:
base::ScopedObservation<content::DedicatedWorkerService,
content::DedicatedWorkerService::Observer>
scoped_dedicated_worker_service_observation_{this};
base::flat_map<blink::DedicatedWorkerToken, std::unique_ptr<WorkerTask>>
dedicated_worker_tasks_;
// For shared workers:
base::ScopedObservation<content::SharedWorkerService,
content::SharedWorkerService::Observer>
scoped_shared_worker_service_observation_{this};
base::flat_map<blink::SharedWorkerToken, std::unique_ptr<WorkerTask>>
shared_worker_tasks_;
// For service workers:
base::ScopedObservation<content::ServiceWorkerContext,
content::ServiceWorkerContextObserver>
scoped_service_worker_context_observation_{this};
base::flat_map<int64_t /*version_id*/, std::unique_ptr<WorkerTask>>
service_worker_tasks_;
// Because service worker notifications are asynchronous, it is possible to
// be notified of the creation of a service worker after its render process
// was deleted. Those workers are ignored.
base::flat_set<int64_t /*version_id*/> ignored_service_worker_;
};
} // namespace task_manager
#endif // CHROME_BROWSER_TASK_MANAGER_PROVIDERS_PER_PROFILE_WORKER_TASK_TRACKER_H_
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