| // 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/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 { |
| |
| ContextClient::ContextClient(ExecutionContext* execution_context) |
| : execution_context_(execution_context) {} |
| |
| ContextClient::ContextClient(LocalFrame* frame) |
| : execution_context_(frame ? frame->GetDocument() : nullptr) {} |
| |
| ExecutionContext* ContextClient::GetExecutionContext() const { |
| return execution_context_ && !execution_context_->IsContextDestroyed() |
| ? execution_context_ |
| : nullptr; |
| } |
| |
| Document* ContextClient::GetDocument() const { |
| return execution_context_ |
| ? DynamicTo<Document>( |
| static_cast<ExecutionContext*>(execution_context_)) |
| : nullptr; |
| } |
| |
| LocalFrame* ContextClient::GetFrame() const { |
| auto* document = GetDocument(); |
| return document ? document->GetFrame() : nullptr; |
| } |
| |
| void ContextClient::Trace(Visitor* visitor) { |
| visitor->Trace(execution_context_); |
| } |
| |
| LocalFrame* ContextLifecycleObserver::GetFrame() const { |
| auto* document = DynamicTo<Document>(GetExecutionContext()); |
| return document ? document->GetFrame() : nullptr; |
| } |
| |
| DOMWindowClient::DOMWindowClient(LocalDOMWindow* window) |
| : dom_window_(window) {} |
| |
| DOMWindowClient::DOMWindowClient(LocalFrame* frame) |
| : dom_window_(frame ? frame->DomWindow() : nullptr) {} |
| |
| LocalDOMWindow* DOMWindowClient::DomWindow() const { |
| return dom_window_ && dom_window_->GetFrame() ? dom_window_ : nullptr; |
| } |
| |
| LocalFrame* DOMWindowClient::GetFrame() const { |
| return dom_window_ ? dom_window_->GetFrame() : nullptr; |
| } |
| |
| void DOMWindowClient::Trace(Visitor* visitor) { |
| visitor->Trace(dom_window_); |
| } |
| } // namespace blink |