| // 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 "headless/lib/browser/headless_focus_client.h" |
| |
| #include "ui/aura/client/focus_change_observer.h" |
| #include "ui/aura/window.h" |
| |
| namespace headless { |
| |
| HeadlessFocusClient::HeadlessFocusClient() |
| : focused_window_(NULL), observer_manager_(this) {} |
| |
| HeadlessFocusClient::~HeadlessFocusClient() = default; |
| |
| void HeadlessFocusClient::AddObserver( |
| aura::client::FocusChangeObserver* observer) { |
| focus_observers_.AddObserver(observer); |
| } |
| |
| void HeadlessFocusClient::RemoveObserver( |
| aura::client::FocusChangeObserver* observer) { |
| focus_observers_.RemoveObserver(observer); |
| } |
| |
| void HeadlessFocusClient::FocusWindow(aura::Window* window) { |
| if (window && !window->CanFocus()) |
| return; |
| |
| if (focused_window_) |
| observer_manager_.Remove(focused_window_); |
| aura::Window* old_focused_window = focused_window_; |
| focused_window_ = window; |
| if (focused_window_) |
| observer_manager_.Add(focused_window_); |
| |
| for (aura::client::FocusChangeObserver& observer : focus_observers_) |
| observer.OnWindowFocused(focused_window_, old_focused_window); |
| aura::client::FocusChangeObserver* observer = |
| aura::client::GetFocusChangeObserver(old_focused_window); |
| if (observer) |
| observer->OnWindowFocused(focused_window_, old_focused_window); |
| observer = aura::client::GetFocusChangeObserver(focused_window_); |
| if (observer) |
| observer->OnWindowFocused(focused_window_, old_focused_window); |
| } |
| |
| void HeadlessFocusClient::ResetFocusWithinActiveWindow(aura::Window* window) { |
| if (!window->Contains(focused_window_)) |
| FocusWindow(window); |
| } |
| |
| aura::Window* HeadlessFocusClient::GetFocusedWindow() { |
| return focused_window_; |
| } |
| |
| void HeadlessFocusClient::OnWindowDestroying(aura::Window* window) { |
| DCHECK_EQ(window, focused_window_); |
| FocusWindow(NULL); |
| } |
| |
| } // namespace headless |