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// Copyright 2022 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/events/command_event.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_command_event_init.h"
#include "third_party/blink/renderer/core/dom/events/event.h"
#include "third_party/blink/renderer/core/dom/events/event_dispatcher.h"
#include "third_party/blink/renderer/core/dom/events/event_path.h"
#include "third_party/blink/renderer/core/dom/events/event_target.h"
namespace blink {
CommandEvent::CommandEvent(const AtomicString& type,
const CommandEventInit* initializer)
: Event(type, initializer) {
DCHECK(RuntimeEnabledFeatures::HTMLCommandAttributesEnabled());
if (initializer->hasSource()) {
source_ = initializer->source();
}
if (initializer->hasCommand()) {
command_ = initializer->command();
}
}
CommandEvent::CommandEvent(const AtomicString& type,
const String& command,
Element* source)
: Event(type, Bubbles::kNo, Cancelable::kYes, ComposedMode::kComposed),
source_(source) {
DCHECK(RuntimeEnabledFeatures::HTMLCommandAttributesEnabled());
command_ = command;
}
Element* CommandEvent::source() const {
auto* current = currentTarget();
Element* source = source_.Get();
if (!source) {
return nullptr;
}
if (RuntimeEnabledFeatures::ImprovedSourceRetargetingEnabled()) {
return Retarget(source);
}
if (current) {
return ¤t->ToNode()->GetTreeScope().Retarget(*source);
}
DCHECK_EQ(eventPhase(), Event::PhaseType::kNone);
return source;
}
void CommandEvent::Trace(Visitor* visitor) const {
visitor->Trace(source_);
Event::Trace(visitor);
}
} // namespace blink
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