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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.
#include "third_party/blink/renderer/modules/delegated_ink/ink.h"
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_throw_dom_exception.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_ink_presenter_param.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/navigator.h"
#include "third_party/blink/renderer/modules/delegated_ink/delegated_ink_trail_presenter.h"
namespace blink {
const char Ink::kSupplementName[] = "Ink";
Ink* Ink::ink(Navigator& navigator) {
Ink* ink = Supplement<Navigator>::From<Ink>(navigator);
if (!ink) {
ink = MakeGarbageCollected<Ink>(navigator);
ProvideTo(navigator, ink);
}
return ink;
}
Ink::Ink(Navigator& navigator) : Supplement<Navigator>(navigator) {}
ScriptPromise<DelegatedInkTrailPresenter> Ink::requestPresenter(
ScriptState* state,
InkPresenterParam* presenter_param) {
if (!state->ContextIsValid()) {
V8ThrowException::ThrowError(
state->GetIsolate(),
"The object is no longer associated with a window.");
return EmptyPromise();
}
if (presenter_param->presentationArea() &&
(presenter_param->presentationArea()->GetDocument() !=
GetSupplementable()->DomWindow()->GetFrame()->GetDocument())) {
V8ThrowDOMException::Throw(
state->GetIsolate(), DOMExceptionCode::kNotAllowedError,
"Presentation area element does not belong to the document.");
return EmptyPromise();
}
return ToResolvedPromise<DelegatedInkTrailPresenter>(
state, MakeGarbageCollected<DelegatedInkTrailPresenter>(
presenter_param->presentationArea(),
GetSupplementable()->DomWindow()->GetFrame()));
}
void Ink::Trace(Visitor* visitor) const {
ScriptWrappable::Trace(visitor);
Supplement<Navigator>::Trace(visitor);
}
} // namespace blink
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