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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/media_router/browser/media_sinks_observer.h"
#include "base/check_op.h"
#include "base/containers/contains.h"
#include "components/media_router/browser/media_router.h"
#if DCHECK_IS_ON()
#include "base/auto_reset.h"
#endif
namespace media_router {
MediaSinksObserver::MediaSinksObserver(MediaRouter* router,
const MediaSource& source,
const url::Origin& origin)
: source_(source), origin_(origin), router_(router), initialized_(false) {
DCHECK(router_);
}
MediaSinksObserver::MediaSinksObserver(MediaRouter* router)
: router_(router), initialized_(false) {
DCHECK(router_);
}
MediaSinksObserver::~MediaSinksObserver() {
#if DCHECK_IS_ON()
DCHECK(!in_on_sinks_updated_);
#endif
if (initialized_) {
router_->UnregisterMediaSinksObserver(this);
}
}
bool MediaSinksObserver::Init() {
if (initialized_) {
return true;
}
initialized_ = router_->RegisterMediaSinksObserver(this);
return initialized_;
}
void MediaSinksObserver::OnSinksUpdated(
const std::vector<MediaSink>& sinks,
const std::vector<url::Origin>& origins) {
#if DCHECK_IS_ON()
base::AutoReset<bool> reset_in_on_sinks_updated(&in_on_sinks_updated_, true);
#endif
if (origins.empty() || base::Contains(origins, origin_)) {
OnSinksReceived(sinks);
} else {
OnSinksReceived(std::vector<MediaSink>());
}
}
} // namespace media_router
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