blob: 661c3a2e410168acfd185c8b1c394adf5cdd33f7 [file] [log] [blame]
// 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_(nullptr), 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