| // Copyright 2020 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 "chrome/browser/chromeos/policy/dlp/dlp_window_observer.h" |
| |
| #include "ui/aura/window.h" |
| |
| namespace policy { |
| |
| DlpWindowObserver::DlpWindowObserver(aura::Window* window, Delegate* delegate) |
| : window_(window), delegate_(delegate) { |
| DCHECK(window_); |
| window_->AddObserver(this); |
| } |
| |
| DlpWindowObserver::~DlpWindowObserver() { |
| if (window_) |
| window_->RemoveObserver(this); |
| } |
| |
| void DlpWindowObserver::OnWindowDestroying(aura::Window* window) { |
| DCHECK_EQ(window_, window); |
| window_->RemoveObserver(this); |
| window_ = nullptr; |
| } |
| |
| void DlpWindowObserver::OnWindowOcclusionChanged(aura::Window* window) { |
| DCHECK_EQ(window_, window); |
| delegate_->OnWindowOcclusionChanged(window_); |
| } |
| |
| } // namespace policy |