1// Copyright 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#ifndef CHROME_BROWSER_EXTENSIONS_WEBSTORE_DATA_FETCHER_H_
6#define CHROME_BROWSER_EXTENSIONS_WEBSTORE_DATA_FETCHER_H_
7
8#include <string>
9
10#include "base/memory/scoped_ptr.h"
11#include "base/memory/weak_ptr.h"
12#include "net/url_request/url_fetcher_delegate.h"
13#include "url/gurl.h"
14
15namespace base {
16class Value;
17}
18
19namespace net {
20class URLFetcher;
21class URLRequestContextGetter;
22}
23
24namespace extensions {
25
26class WebstoreDataFetcherDelegate;
27
28// WebstoreDataFetcher fetches web store data and parses it into a
29// DictionaryValue.
30class WebstoreDataFetcher : public base::SupportsWeakPtr<WebstoreDataFetcher>,
31                            public net::URLFetcherDelegate {
32 public:
33  WebstoreDataFetcher(WebstoreDataFetcherDelegate* delegate,
34                      net::URLRequestContextGetter* request_context,
35                      const GURL& referrer_url,
36                      const std::string webstore_item_id);
37  virtual ~WebstoreDataFetcher();
38
39  void Start();
40
41 private:
42  void OnJsonParseSuccess(scoped_ptr<base::Value> parsed_json);
43  void OnJsonParseFailure(const std::string& error);
44
45  // net::URLFetcherDelegate overrides:
46  virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
47
48  WebstoreDataFetcherDelegate* delegate_;
49  net::URLRequestContextGetter* request_context_;
50  GURL referrer_url_;
51  std::string id_;
52
53  // For fetching webstore JSON data.
54  scoped_ptr<net::URLFetcher> webstore_data_url_fetcher_;
55
56  DISALLOW_COPY_AND_ASSIGN(WebstoreDataFetcher);
57};
58
59}  // namespace extensions
60
61#endif  // CHROME_BROWSER_EXTENSIONS_WEBSTORE_DATA_FETCHER_H_
62