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      1 // Copyright 2014 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 "config.h"
      6 #include "modules/push_messaging/NavigatorPushManager.h"
      7 
      8 #include "core/frame/Navigator.h"
      9 #include "modules/push_messaging/PushManager.h"
     10 
     11 namespace blink {
     12 
     13 NavigatorPushManager::NavigatorPushManager()
     14 {
     15 }
     16 
     17 NavigatorPushManager::~NavigatorPushManager()
     18 {
     19 }
     20 
     21 const char* NavigatorPushManager::supplementName()
     22 {
     23     return "NavigatorPushManager";
     24 }
     25 
     26 NavigatorPushManager& NavigatorPushManager::from(Navigator& navigator)
     27 {
     28     NavigatorPushManager* supplement = static_cast<NavigatorPushManager*>(WillBeHeapSupplement<Navigator>::from(navigator, supplementName()));
     29     if (!supplement) {
     30         supplement = new NavigatorPushManager();
     31         provideTo(navigator, supplementName(), adoptPtrWillBeNoop(supplement));
     32     }
     33     return *supplement;
     34 }
     35 
     36 PushManager* NavigatorPushManager::push(Navigator& navigator)
     37 {
     38     return NavigatorPushManager::from(navigator).pushManager();
     39 }
     40 
     41 PushManager* NavigatorPushManager::pushManager()
     42 {
     43     if (!m_pushManager)
     44         m_pushManager = PushManager::create();
     45     return m_pushManager.get();
     46 }
     47 
     48 void NavigatorPushManager::trace(Visitor* visitor)
     49 {
     50     visitor->trace(m_pushManager);
     51     WillBeHeapSupplement<Navigator>::trace(visitor);
     52 }
     53 
     54 } // namespace blink
     55