stream_registry.cc revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd 
1// Copyright (c) 2013 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/browser/streams/stream_registry.h"
6
7#include "content/browser/streams/stream.h"
8
9namespace content {
10
11StreamRegistry::StreamRegistry() {
12}
13
14StreamRegistry::~StreamRegistry() {
15}
16
17void StreamRegistry::RegisterStream(scoped_refptr<Stream> stream) {
18  DCHECK(CalledOnValidThread());
19  DCHECK(stream);
20  DCHECK(!stream->url().is_empty());
21  streams_[stream->url()] = stream;
22}
23
24scoped_refptr<Stream> StreamRegistry::GetStream(const GURL& url) {
25  DCHECK(CalledOnValidThread());
26  StreamMap::const_iterator stream = streams_.find(url);
27  if (stream != streams_.end())
28    return stream->second;
29
30  return NULL;
31}
32
33bool StreamRegistry::CloneStream(const GURL& url, const GURL& src_url) {
34  DCHECK(CalledOnValidThread());
35  scoped_refptr<Stream> stream(GetStream(src_url));
36  if (stream) {
37    streams_[url] = stream;
38    return true;
39  }
40  return false;
41}
42
43void StreamRegistry::UnregisterStream(const GURL& url) {
44  DCHECK(CalledOnValidThread());
45  streams_.erase(url);
46}
47
48}  // namespace content
49