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// Copyright 2016 The Chromium Authors. All rights reserved.
// 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/execution_context/execution_context_lifecycle_observer.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
namespace blink {
ExecutionContextClient::ExecutionContextClient(
ExecutionContext* execution_context)
: execution_context_(execution_context) {}
ExecutionContextClient::ExecutionContextClient(LocalFrame* frame)
: execution_context_(frame ? frame->DomWindow() : nullptr) {}
ExecutionContext* ExecutionContextClient::GetExecutionContext() const {
return execution_context_ && !execution_context_->IsContextDestroyed()
? execution_context_.Get()
: nullptr;
}
LocalDOMWindow* ExecutionContextClient::DomWindow() const {
return DynamicTo<LocalDOMWindow>(GetExecutionContext());
}
LocalFrame* ExecutionContextClient::GetFrame() const {
auto* window = DomWindow();
return window ? window->GetFrame() : nullptr;
}
void ExecutionContextClient::Trace(Visitor* visitor) const {
visitor->Trace(execution_context_);
}
ExecutionContextLifecycleObserver::ExecutionContextLifecycleObserver(
ExecutionContext* execution_context,
Type type)
: observer_type_(type) {
SetExecutionContext(execution_context);
}
ExecutionContext* ExecutionContextLifecycleObserver::GetExecutionContext()
const {
return static_cast<ExecutionContext*>(GetContextLifecycleNotifier());
}
void ExecutionContextLifecycleObserver::SetExecutionContext(
ExecutionContext* execution_context) {
SetContextLifecycleNotifier(execution_context);
}
LocalFrame* ExecutionContextLifecycleObserver::GetFrame() const {
auto* window = DynamicTo<LocalDOMWindow>(GetExecutionContext());
return window ? window->GetFrame() : nullptr;
}
void ExecutionContextLifecycleObserver::Trace(Visitor* visitor) const {
ContextLifecycleObserver::Trace(visitor);
}
} // namespace blink
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