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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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/events/error_event.h"
#include <memory>
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
#include "v8/include/v8.h"
namespace blink {
ErrorEvent::ErrorEvent()
: sanitized_message_(),
location_(SourceLocation::Create(String(), 0, 0, nullptr)),
world_(&DOMWrapperWorld::Current(v8::Isolate::GetCurrent())) {}
ErrorEvent::ErrorEvent(ScriptState* script_state,
const AtomicString& type,
const ErrorEventInit& initializer)
: Event(type, initializer),
sanitized_message_(),
world_(&script_state->World()) {
if (initializer.hasMessage())
sanitized_message_ = initializer.message();
location_ = SourceLocation::Create(
initializer.hasFilename() ? initializer.filename() : String(),
initializer.hasLineno() ? initializer.lineno() : 0,
initializer.hasColno() ? initializer.colno() : 0, nullptr);
if (initializer.hasError()) {
error_.Set(initializer.error().GetIsolate(), initializer.error().V8Value());
}
}
ErrorEvent::ErrorEvent(const String& message,
std::unique_ptr<SourceLocation> location,
ScriptValue error,
DOMWrapperWorld* world)
: Event(EventTypeNames::error, Bubbles::kNo, Cancelable::kYes),
sanitized_message_(message),
location_(std::move(location)),
world_(world) {
if (!error.IsEmpty())
error_.Set(error.GetIsolate(), error.V8Value());
}
void ErrorEvent::SetUnsanitizedMessage(const String& message) {
DCHECK(unsanitized_message_.IsEmpty());
unsanitized_message_ = message;
}
ErrorEvent::~ErrorEvent() = default;
const AtomicString& ErrorEvent::InterfaceName() const {
return EventNames::ErrorEvent;
}
bool ErrorEvent::CanBeDispatchedInWorld(const DOMWrapperWorld& world) const {
return !world_ || world_ == &world;
}
ScriptValue ErrorEvent::error(ScriptState* script_state) const {
// Don't return |m_error| when we are in the different worlds to avoid
// leaking a V8 value.
// We do not clone Error objects (exceptions), for 2 reasons:
// 1) Errors carry a reference to the isolated world's global object, and
// thus passing it around would cause leakage.
// 2) Errors cannot be cloned (or serialized):
if (World() != &script_state->World() || error_.IsEmpty())
return ScriptValue();
return ScriptValue(script_state, error_.NewLocal(script_state->GetIsolate()));
}
void ErrorEvent::Trace(blink::Visitor* visitor) {
visitor->Trace(error_);
Event::Trace(visitor);
}
} // namespace blink
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