1// Copyright (c) 2011 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 NET_PROXY_PROXY_RESOLVER_SCRIPT_DATA_H_
6#define NET_PROXY_PROXY_RESOLVER_SCRIPT_DATA_H_
7#pragma once
8
9#include "base/memory/ref_counted.h"
10#include "base/string16.h"
11#include "googleurl/src/gurl.h"
12
13namespace net {
14
15// Reference-counted wrapper for passing around a PAC script specification.
16// The PAC script can be either specified via a URL, a deferred URL for
17// auto-detect, or the actual javascript program text.
18//
19// This is thread-safe so it can be used by multi-threaded implementations of
20// ProxyResolver to share the data between threads.
21class ProxyResolverScriptData
22    : public base::RefCountedThreadSafe<ProxyResolverScriptData> {
23 public:
24  enum Type {
25    TYPE_SCRIPT_CONTENTS,
26    TYPE_SCRIPT_URL,
27    TYPE_AUTO_DETECT,
28  };
29
30  // Creates a script data given the UTF8 bytes of the content.
31  static scoped_refptr<ProxyResolverScriptData> FromUTF8(
32      const std::string& utf8);
33
34  // Creates a script data given the UTF16 bytes of the content.
35  static scoped_refptr<ProxyResolverScriptData> FromUTF16(
36      const string16& utf16);
37
38  // Creates a script data given a URL to the PAC script.
39  static scoped_refptr<ProxyResolverScriptData> FromURL(const GURL& url);
40
41  // Creates a script data for using an automatically detected PAC URL.
42  static scoped_refptr<ProxyResolverScriptData> ForAutoDetect();
43
44  Type type() const {
45    return type_;
46  }
47
48  // Returns the contents of the script as UTF16.
49  // (only valid for type() == TYPE_SCRIPT_CONTENTS).
50  const string16& utf16() const;
51
52  // Returns the URL of the script.
53  // (only valid for type() == TYPE_SCRIPT_URL).
54  const GURL& url() const;
55
56 private:
57  friend class base::RefCountedThreadSafe<ProxyResolverScriptData>;
58  ProxyResolverScriptData(Type type,
59                          const GURL& url,
60                          const string16& utf16);
61  virtual ~ProxyResolverScriptData();
62
63
64  const Type type_;
65  const GURL url_;
66  const string16 utf16_;
67};
68
69}  // namespace net
70
71#endif  // NET_PROXY_PROXY_RESOLVER_SCRIPT_DATA_H_
72