Defer focus handling to the content if it claims to have focus.

ui/arc/notification/arc_custom_notification_view.cc

 // Copyright 2016 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 "ui/arc/notification/arc_custom_notification_view.h"
 
 #include "base/auto_reset.h"
 #include "base/memory/ptr_util.h"
 #include "components/exo/notification_surface.h"
 #include "components/exo/surface.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/compositor/layer_animation_observer.h"
 #include "ui/display/screen.h"
 #include "ui/events/event_handler.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/transform.h"
 #include "ui/message_center/message_center_style.h"
+#include "ui/message_center/views/custom_notification_view.h"
 #include "ui/resources/grit/ui_resources.h"
 #include "ui/strings/grit/ui_strings.h"
 #include "ui/views/background.h"
 #include "ui/views/border.h"
 #include "ui/views/controls/button/image_button.h"
 #include "ui/views/painter.h"
 #include "ui/views/widget/widget.h"
 #include "ui/wm/core/window_util.h"
 
 namespace arc {
@@ skipping 141 matching lines @@
   ArcCustomNotificationView* const owner_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentViewDelegate);
 };
 
 ArcCustomNotificationView::ArcCustomNotificationView(
     ArcCustomNotificationItem* item)
     : item_(item),
       notification_key_(item->notification_key()),
       event_forwarder_(new EventForwarder(this)) {
+  SetFocusBehavior(FocusBehavior::ALWAYS);
+
   item_->IncrementWindowRefCount();
   item_->AddObserver(this);
 
   ArcNotificationSurfaceManager::Get()->AddObserver(this);
   exo::NotificationSurface* surface =
       ArcNotificationSurfaceManager::Get()->GetSurface(notification_key_);
   if (surface)
     OnNotificationSurfaceAdded(surface);
 
   // Create a layer as an anchor to insert surface copy during a slide.
@@ skipping 244 matching lines @@
 }
 
 void ArcCustomNotificationView::OnMouseEntered(const ui::MouseEvent&) {
   UpdateCloseButtonVisiblity();
 }
 
 void ArcCustomNotificationView::OnMouseExited(const ui::MouseEvent&) {
   UpdateCloseButtonVisiblity();
 }
 
+void ArcCustomNotificationView::OnFocus() {
+  NativeViewHost::OnFocus();
+  static_cast<message_center::CustomNotificationView*>(parent())
+      ->OnContentFocused();
+}
+
+void ArcCustomNotificationView::OnBlur() {
+  NativeViewHost::OnBlur();
+  static_cast<message_center::CustomNotificationView*>(parent())
+      ->OnContentBlured();
+}
+
 void ArcCustomNotificationView::ButtonPressed(views::Button* sender,
                                               const ui::Event& event) {
   if (item_ && !item_->pinned() && sender == floating_close_button_) {
     item_->CloseFromCloseButton();
   }
 }
 
 void ArcCustomNotificationView::OnWindowBoundsChanged(
     aura::Window* window,
     const gfx::Rect& old_bounds,
@@ skipping 33 matching lines @@
 
 void ArcCustomNotificationView::OnNotificationSurfaceRemoved(
     exo::NotificationSurface* surface) {
   if (surface->notification_id() != notification_key_)
     return;
 
   SetSurface(nullptr);
 }
 
 }  // namespace arc