37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
|
// Copyright (c) 2018 GitHub, Inc.
|
||
|
|
// Use of this source code is governed by the MIT license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
#ifndef ATOM_BROWSER_MICROTASKS_RUNNER_H_
|
||
|
|
#define ATOM_BROWSER_MICROTASKS_RUNNER_H_
|
||
|
|
|
||
|
|
#include "base/message_loop/message_loop.h"
|
||
|
|
|
||
|
|
namespace v8 {
|
||
|
|
class Isolate;
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace atom {
|
||
|
|
|
||
|
|
// Microtasks like promise resolution, are run at the end of the current
|
||
|
|
// task. This class implements a task observer that runs tells v8 to run them.
|
||
|
|
// Microtasks runner implementation is based on the EndOfTaskRunner in blink.
|
||
|
|
// Node follows the kExplicit MicrotasksPolicy, and we do the same in browser
|
||
|
|
// process. Hence, we need to have this task observer to flush the queued
|
||
|
|
// microtasks.
|
||
|
|
class MicrotasksRunner : public base::MessageLoop::TaskObserver {
|
||
|
|
public:
|
||
|
|
explicit MicrotasksRunner(v8::Isolate* isolate);
|
||
|
|
|
||
|
|
// base::MessageLoop::TaskObserver
|
||
|
|
void WillProcessTask(const base::PendingTask& pending_task) override;
|
||
|
|
void DidProcessTask(const base::PendingTask& pending_task) override;
|
||
|
|
|
||
|
|
private:
|
||
|
|
v8::Isolate* isolate_;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace atom
|
||
|
|
|
||
|
|
#endif // ATOM_BROWSER_MICROTASKS_RUNNER_H_
|