chrome/browser/media/router/presentation_session_messages_observer.cc

   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 #include "chrome/browser/media/router/presentation_session_messages_observer.h"
   6
   7 #include "chrome/browser/media/router/media_router.h"
   8
   9 namespace media_router {
  10
  11 PresentationSessionMessagesObserver::PresentationSessionMessagesObserver(
  12     const content::PresentationSessionMessageCallback& message_cb,
  13     const MediaRoute::Id& route_id,
  14     MediaRouter* router)
  15     : message_cb_(message_cb), route_id_(route_id), router_(router) {
  16   DCHECK(!message_cb_.is_null());
  17   DCHECK(!route_id_.empty());
  18   DCHECK(router_);
  19   router_->RegisterPresentationSessionMessagesObserver(this);
  20 }
  21
  22 PresentationSessionMessagesObserver::~PresentationSessionMessagesObserver() {
  23   router_->UnregisterPresentationSessionMessagesObserver(this);
  24 }
  25
  26 void PresentationSessionMessagesObserver::OnMessagesReceived(
  27     const ScopedVector<content::PresentationSessionMessage>& messages,
  28     bool pass_ownership) {
  29   DVLOG(2) << __FUNCTION__ << ", number of messages : " << messages.size()
  30            << " (pass_ownership = " << pass_ownership << ")";
  31   DCHECK(!messages.empty());
  32   message_cb_.Run(messages, pass_ownership);
  33 }
  34
  35 }  // namespace media_router