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/*
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/core/dom/events/custom_event.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_custom_event_init.h"
#include "third_party/blink/renderer/core/event_interface_names.h"
namespace blink {
CustomEvent::CustomEvent() = default;
CustomEvent::CustomEvent(ScriptState* script_state,
const AtomicString& type,
const CustomEventInit* initializer)
: Event(type, initializer) {
// TODO(crbug.com/1070964): Remove this existence check. There is a bug that
// the current code generator does not initialize a ScriptValue with the
// v8::Null value despite that the dictionary member has the default value of
// IDL null. |hasDetail| guard is necessary here.
if (initializer->hasDetail()) {
v8::Local<v8::Value> detail = initializer->detail().V8Value();
// TODO(crbug.com/1070871): Remove the following IsNullOrUndefined() check.
// This null/undefined check fills the gap between the new and old bindings
// code. The new behavior is preferred in a long term, and we'll switch to
// the new behavior once the migration to the new bindings gets settled.
if (!detail->IsNullOrUndefined()) {
detail_.SetAcrossWorld(script_state->GetIsolate(), detail);
}
}
}
CustomEvent::~CustomEvent() = default;
void CustomEvent::initCustomEvent(ScriptState* script_state,
const AtomicString& type,
bool bubbles,
bool cancelable,
const ScriptValue& script_value) {
initEvent(type, bubbles, cancelable);
if (!IsBeingDispatched() && !script_value.IsEmpty())
detail_.SetAcrossWorld(script_state->GetIsolate(), script_value.V8Value());
}
ScriptValue CustomEvent::detail(ScriptState* script_state) const {
v8::Isolate* isolate = script_state->GetIsolate();
if (detail_.IsEmpty())
return ScriptValue(isolate, v8::Null(isolate));
return ScriptValue(isolate, detail_.GetAcrossWorld(script_state));
}
const AtomicString& CustomEvent::InterfaceName() const {
return event_interface_names::kCustomEvent;
}
void CustomEvent::Trace(Visitor* visitor) const {
visitor->Trace(detail_);
Event::Trace(visitor);
}
} // namespace blink
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