content/renderer/active_notification_tracker.cc

   1 // Copyright (c) 2011 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 "content/renderer/active_notification_tracker.h"
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "third_party/WebKit/public/web/WebNotification.h"
  10
  11 using blink::WebNotification;
  12
  13 namespace content {
  14
  15 ActiveNotificationTracker::ActiveNotificationTracker() {}
  16
  17 ActiveNotificationTracker::~ActiveNotificationTracker() {}
  18
  19 bool ActiveNotificationTracker::GetId(
  20     const WebNotification& notification, int& id) {
  21   ReverseTable::iterator iter = reverse_notification_table_.find(notification);
  22   if (iter == reverse_notification_table_.end())
  23     return false;
  24   id = iter->second;
  25   return true;
  26 }
  27
  28 bool ActiveNotificationTracker::GetNotification(
  29     int id, WebNotification* notification) {
  30   WebNotification* lookup = notification_table_.Lookup(id);
  31   if (!lookup)
  32     return false;
  33
  34   *notification = *lookup;
  35   return true;
  36 }
  37
  38 int ActiveNotificationTracker::RegisterNotification(
  39     const blink::WebNotification& proxy) {
  40   if (reverse_notification_table_.find(proxy)
  41       != reverse_notification_table_.end()) {
  42     return reverse_notification_table_[proxy];
  43   } else {
  44     WebNotification* notification = new WebNotification(proxy);
  45     int id = notification_table_.Add(notification);
  46     reverse_notification_table_[proxy] = id;
  47     return id;
  48   }
  49 }
  50
  51 void ActiveNotificationTracker::UnregisterNotification(int id) {
  52   // We want to free the notification after removing it from the table.
  53   scoped_ptr<WebNotification> notification(notification_table_.Lookup(id));
  54   notification_table_.Remove(id);
  55   DCHECK(notification.get());
  56   if (notification)
  57     reverse_notification_table_.erase(*notification);
  58 }
  59
  60 void ActiveNotificationTracker::Clear() {
  61   while (!reverse_notification_table_.empty()) {
  62     ReverseTable::iterator iter = reverse_notification_table_.begin();
  63     UnregisterNotification((*iter).second);
  64   }
  65 }
  66
  67 }  // namespace content