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/*
* Copyright (C) 2009 Apple 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:
* 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, 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/events/pop_state_event.h"
#include "third_party/blink/renderer/bindings/core/v8/serialization/serialized_script_value.h"
#include "third_party/blink/renderer/core/event_names.h"
#include "third_party/blink/renderer/core/event_type_names.h"
#include "third_party/blink/renderer/core/frame/history.h"
namespace blink {
PopStateEvent::PopStateEvent()
: serialized_state_(nullptr), history_(nullptr) {}
PopStateEvent::PopStateEvent(ScriptState* script_state,
const AtomicString& type,
const PopStateEventInit& initializer)
: Event(type, initializer), history_(nullptr) {
if (initializer.hasState()) {
world_ = WrapRefCounted(&script_state->World());
state_.Set(initializer.state().GetIsolate(), initializer.state().V8Value());
}
}
PopStateEvent::PopStateEvent(
scoped_refptr<SerializedScriptValue> serialized_state,
History* history)
: Event(EventTypeNames::popstate, Bubbles::kNo, Cancelable::kNo),
serialized_state_(std::move(serialized_state)),
history_(history) {}
PopStateEvent::~PopStateEvent() = default;
ScriptValue PopStateEvent::state(ScriptState* script_state) const {
if (state_.IsEmpty())
return ScriptValue();
v8::Isolate* isolate = script_state->GetIsolate();
if (world_->GetWorldId() != script_state->World().GetWorldId()) {
v8::Local<v8::Value> value = state_.NewLocal(isolate);
scoped_refptr<SerializedScriptValue> serialized =
SerializedScriptValue::SerializeAndSwallowExceptions(isolate, value);
return ScriptValue(script_state, serialized->Deserialize(isolate));
}
return ScriptValue(script_state, state_.NewLocal(isolate));
}
PopStateEvent* PopStateEvent::Create() {
return new PopStateEvent;
}
PopStateEvent* PopStateEvent::Create(
scoped_refptr<SerializedScriptValue> serialized_state,
History* history) {
return new PopStateEvent(std::move(serialized_state), history);
}
PopStateEvent* PopStateEvent::Create(ScriptState* script_state,
const AtomicString& type,
const PopStateEventInit& initializer) {
return new PopStateEvent(script_state, type, initializer);
}
void PopStateEvent::SetSerializedState(
scoped_refptr<SerializedScriptValue> state) {
DCHECK(!serialized_state_);
serialized_state_ = std::move(state);
}
const AtomicString& PopStateEvent::InterfaceName() const {
return EventNames::PopStateEvent;
}
void PopStateEvent::Trace(blink::Visitor* visitor) {
visitor->Trace(state_);
visitor->Trace(history_);
Event::Trace(visitor);
}
} // namespace blink
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