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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/notifications/message_center_notification_manager.h"
      6 
      7 #include "chrome/common/pref_names.h"
      8 #include "ui/message_center/message_center_tray.h"
      9 
     10 void MessageCenterNotificationManager::DisplayFirstRunBalloon() {
     11   // Store for posterity the fact that we've shown the first-run balloon.
     12   DCHECK(tray_.get());
     13   first_run_pref_.SetValue(true);
     14   tray_->DisplayFirstRunBalloon();
     15 }
     16 
     17 void MessageCenterNotificationManager::SetFirstRunTimeoutForTest(
     18     base::TimeDelta timeout) {
     19   first_run_idle_timeout_ = timeout;
     20 }
     21 
     22 bool MessageCenterNotificationManager::FirstRunTimerIsActive() const {
     23   return first_run_balloon_timer_.IsRunning();
     24 }
     25 
     26 void MessageCenterNotificationManager::CheckFirstRunTimer() {
     27   // If there is no tray_, we can't display a balloon here anyway.
     28   // Also, we only want to display the first run balloon once, so the pref will
     29   // store the flag on disk based on whether we ever showed the balloon.
     30   DCHECK(tray_.get());
     31   if (first_run_pref_.GetValue())
     32     return;
     33 
     34   // If there are popups, the message center is visible, or there are no more
     35   // notifications, don't continue the timer since it will be annoying or
     36   // useless.
     37   if (message_center_->HasPopupNotifications() ||
     38       message_center_->IsMessageCenterVisible() ||
     39       0 == message_center_->NotificationCount()) {
     40     first_run_balloon_timer_.Stop();
     41     return;
     42   }
     43 
     44   // No need to restart the timer if it's already going.
     45   if (first_run_balloon_timer_.IsRunning())
     46     return;
     47 
     48   first_run_balloon_timer_.Start(
     49       FROM_HERE,
     50       first_run_idle_timeout_,
     51       base::Bind(&MessageCenterNotificationManager::DisplayFirstRunBalloon,
     52                  weak_factory_.GetWeakPtr()));
     53 }
     54