| // Copyright 2017 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/page/focus_changed_observer.h" |
| |
| #include "third_party/blink/renderer/core/frame/local_frame.h" |
| #include "third_party/blink/renderer/core/page/focus_controller.h" |
| #include "third_party/blink/renderer/core/page/page.h" |
| |
| namespace blink { |
| |
| FocusChangedObserver::FocusChangedObserver(Page* page) { |
| DCHECK(page); |
| page->GetFocusController().RegisterFocusChangedObserver(this); |
| } |
| |
| bool FocusChangedObserver::IsFrameFocused(LocalFrame* frame) { |
| if (!frame) |
| return false; |
| Page* page = frame->GetPage(); |
| if (!page) |
| return false; |
| const FocusController& controller = page->GetFocusController(); |
| return controller.IsFocused() && (controller.FocusedFrame() == frame); |
| } |
| |
| } // namespace blink |
