Observes work area change and auto-hide for notifications.

ui/message_center/views/message_popup_collection.cc

 // Copyright (c) 2013 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/message_center/views/message_popup_collection.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/i18n/rtl.h"
@@ skipping 300 matching lines @@
   // list. In that case the widget for the notification has to be closed here.
   if (!updated)
     (*toast_iter)->CloseWithAnimation(true);
 
   if (user_is_closing_toasts_by_clicking_)
     RepositionWidgetsWithTarget();
   else
     DoUpdateIfPossible();
 }
 
-void MessagePopupCollection::SetWorkAreaForTest(const gfx::Rect& work_area) {
-  work_area_ = work_area;
-}
-
 ToastContentsView* MessagePopupCollection::FindToast(
     const std::string& notification_id) {
   for (Toasts::iterator iter = toasts_.begin(); iter != toasts_.end(); ++iter) {
     if ((*iter)->id() == notification_id)
       return *iter;
   }
   return NULL;
 }
 
 void MessagePopupCollection::IncrementDeferCounter() {
@@ skipping 27 matching lines @@
   if (defer_counter_ > 0)
     return;
 
   // Test support. Quit the test run loop when no more updates are deferred,
   // meaining th echeck for updates did not cause anything to change so no new
   // transition animations were started.
   if (run_loop_for_test_.get())
     run_loop_for_test_->Quit();
 }
 
+void MessagePopupCollection::SetWorkArea(const gfx::Rect& work_area) {
+  if (work_area_ == work_area)
+    return;
+
+  work_area_ = work_area;
+  RepositionWidgets();
+}
+
 void MessagePopupCollection::OnDisplayBoundsChanged(
     const gfx::Display& display) {
   if (display.id() != display_id_)
     return;
-  if (work_area_ == display.work_area())
-    return;
 
-  work_area_ = display.work_area();
-  RepositionWidgets();
+  SetWorkArea(display.work_area());
 }
 
 void MessagePopupCollection::OnDisplayAdded(const gfx::Display& new_display) {
 }
 
 void MessagePopupCollection::OnDisplayRemoved(const gfx::Display& old_display) {
 }
 
 views::Widget* MessagePopupCollection::GetWidgetForTest(const std::string& id) {
   for (Toasts::iterator iter = toasts_.begin(); iter != toasts_.end(); ++iter) {
@@ skipping 17 matching lines @@
       views::Widget* widget = (*iter)->GetWidget();
       if (widget)
         return widget->GetWindowBoundsInScreen();
       break;
     }
   }
   return gfx::Rect();
 }
 
 }  // namespace message_center