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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/core/frame/scheduling.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_is_input_pending_options.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/navigator.h"
#include "third_party/blink/renderer/platform/scheduler/main_thread/pending_user_input.h"
#include "third_party/blink/renderer/platform/scheduler/public/main_thread_scheduler.h"
namespace blink {
const char Scheduling::kSupplementName[] = "Scheduling";
Scheduling* Scheduling::scheduling(Navigator& navigator) {
Scheduling* supplement = Supplement<Navigator>::From<Scheduling>(navigator);
if (!supplement) {
supplement = MakeGarbageCollected<Scheduling>(navigator);
ProvideTo(navigator, supplement);
}
return supplement;
}
Scheduling::Scheduling(Navigator& navigator)
: Supplement<Navigator>(navigator) {}
bool Scheduling::isInputPending(const IsInputPendingOptions* options) const {
LocalDOMWindow* window = GetSupplementable()->DomWindow();
DCHECK(options);
if (!window)
return false;
auto* scheduler = ThreadScheduler::Current();
auto info = scheduler->ToMainThreadScheduler()->GetPendingUserInputInfo(
options->includeContinuous());
for (const auto& attribution : info) {
if (window->GetFrame()->CanAccessEvent(attribution)) {
return true;
}
}
return false;
}
void Scheduling::Trace(Visitor* visitor) const {
ScriptWrappable::Trace(visitor);
Supplement<Navigator>::Trace(visitor);
}
} // namespace blink
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