chrome/browser/media/router/issues_observer.h

   1 // Copyright 2015 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 #ifndef CHROME_BROWSER_MEDIA_ROUTER_ISSUES_OBSERVER_H_
   6 #define CHROME_BROWSER_MEDIA_ROUTER_ISSUES_OBSERVER_H_
   7
   8 #include "chrome/browser/media/router/issue.h"
   9
  10 namespace media_router {
  11
  12 class MediaRouter;
  13
  14 // Base class for observing Media Router Issue. There is at most one Issue
  15 // at any given time.
  16 class IssuesObserver {
  17  public:
  18   explicit IssuesObserver(MediaRouter* router);
  19   virtual ~IssuesObserver();
  20
  21   // Called when there is an updated Media Router Issue.
  22   // If |issue| is nullptr, then there is currently no issue.
  23   virtual void OnIssueUpdated(const Issue* issue) {}
  24
  25  private:
  26   MediaRouter* router_;
  27
  28   DISALLOW_COPY_AND_ASSIGN(IssuesObserver);
  29 };
  30
  31 }  // namespace media_router
  32
  33 #endif  // CHROME_BROWSER_MEDIA_ROUTER_ISSUES_OBSERVER_H_