chromium/third_party/blink/renderer/core/scheduler/scripted_idle_task_controller.h

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SCHEDULER_SCRIPTED_IDLE_TASK_CONTROLLER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SCHEDULER_SCRIPTED_IDLE_TASK_CONTROLLER_H_

#include "base/task/delayed_task_handle.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_state_observer.h"
#include "third_party/blink/renderer/core/probe/async_task_context.h"
#include "third_party/blink/renderer/core/scheduler/idle_deadline.h"
#include "third_party/blink/renderer/platform/bindings/name_client.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_hash_map.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/supplementable.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"

namespace blink {

class IdleRequestOptions;
class ThreadScheduler;

// `IdleTask` is an interface type which generalizes tasks which are invoked
// on idle. The tasks need to define what to do on idle in `invoke`.
class CORE_EXPORT IdleTask : public GarbageCollected<IdleTask>,
                             public NameClient { … };

// `ScriptedIdleTaskController` manages scheduling and running `IdleTask`s. This
// provides some higher level functionality on top of the thread scheduler's
// idle tasks, e.g. timeouts and providing an `IdleDeadline` to callbacks, which
// is used both by the requestIdleCallback API and internally in blink.
class CORE_EXPORT ScriptedIdleTaskController
    : public GarbageCollected<ScriptedIdleTaskController>,
      public ExecutionContextLifecycleStateObserver,
      public Supplement<ExecutionContext>,
      public NameClient { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_SCHEDULER_SCRIPTED_IDLE_TASK_CONTROLLER_H_