| // 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 "ash/system/message_center/fullscreen_notification_blocker.h" |
| |
| #include "ash/root_window_controller.h" |
| #include "ash/shell.h" |
| #include "ash/wm/window_state.h" |
| #include "base/metrics/histogram_macros.h" |
| #include "ui/aura/window.h" |
| #include "ui/message_center/message_center.h" |
| #include "ui/message_center/public/cpp/notifier_id.h" |
| |
| namespace ash { |
| namespace { |
| |
| bool ShouldShow(const message_center::Notification& notification, |
| bool is_fullscreen, |
| bool include_uma) { |
| // Show the notification if any of the following are true: |
| // - we're not in fullscreen |
| // - the notification explicitly asked to be shown over fullscreen |
| // - the notification's priority is SYSTEM_PRIORITY |
| bool enabled = !is_fullscreen || |
| (notification.fullscreen_visibility() != |
| message_center::FullscreenVisibility::NONE) || |
| notification.priority() == message_center::SYSTEM_PRIORITY; |
| |
| if (include_uma && enabled && !is_fullscreen) { |
| UMA_HISTOGRAM_ENUMERATION("Notifications.Display_Windowed", |
| notification.notifier_id().type); |
| } |
| |
| return enabled; |
| } |
| |
| } // namespace |
| |
| // static |
| bool FullscreenNotificationBlocker::BlockForMixedFullscreen( |
| const message_center::Notification& notification, |
| bool is_fullscreen) { |
| return !ShouldShow(notification, is_fullscreen, |
| /*include_uma=*/false); |
| } |
| |
| FullscreenNotificationBlocker::FullscreenNotificationBlocker( |
| message_center::MessageCenter* message_center) |
| : NotificationBlocker(message_center) { |
| Shell::Get()->AddShellObserver(this); |
| } |
| |
| FullscreenNotificationBlocker::~FullscreenNotificationBlocker() { |
| Shell::Get()->RemoveShellObserver(this); |
| } |
| |
| bool FullscreenNotificationBlocker::ShouldShowNotificationAsPopup( |
| const message_center::Notification& notification) const { |
| return ShouldShow(notification, all_fullscreen_, /*include_uma=*/true); |
| } |
| |
| void FullscreenNotificationBlocker::OnFullscreenStateChanged( |
| bool is_fullscreen, |
| aura::Window* container) { |
| // Block notifications if all displays have a fullscreen window. Otherwise |
| // include the notification and only fullscreen windows will filter it. |
| all_fullscreen_ = true; |
| for (auto* controller : RootWindowController::root_window_controllers()) { |
| // During shutdown |controller| can be nullptr. |
| controller = RootWindowController::ForWindow(controller->GetRootWindow()); |
| |
| if (controller && !controller->IsInFullscreenMode()) { |
| all_fullscreen_ = false; |
| break; |
| } |
| } |
| |
| // Any change to fullscreen state on any of the displays requires |
| // MessagePopupCollection instances to recheck. |
| NotifyBlockingStateChanged(); |
| } |
| |
| } // namespace ash |