chrome/browser/profile_resetter/brandcode_config_fetcher.h

   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_PROFILE_RESETTER_BRANDCODE_CONFIG_FETCHER_H_
   6 #define CHROME_BROWSER_PROFILE_RESETTER_BRANDCODE_CONFIG_FETCHER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/callback.h"
  10 #include "base/timer/timer.h"
  11 #include "net/url_request/url_fetcher_delegate.h"
  12
  13 class BrandcodedDefaultSettings;
  14 class GURL;
  15
  16 // BrandcodeConfigFetcher fetches and parses the xml containing the brandcoded
  17 // default settings. Caller should provide a FetchCallback.
  18 class BrandcodeConfigFetcher : public net::URLFetcherDelegate {
  19  public:
  20   typedef base::Callback<void ()> FetchCallback;
  21
  22   BrandcodeConfigFetcher(const FetchCallback& callback,
  23                          const GURL& url,
  24                          const std::string& brandcode);
  25   ~BrandcodeConfigFetcher() override;
  26
  27   bool IsActive() const { return config_fetcher_; }
  28
  29   scoped_ptr<BrandcodedDefaultSettings> GetSettings() {
  30     return default_settings_.Pass();
  31   }
  32
  33   // Sets the new callback. The previous one won't be called.
  34   void SetCallback(const FetchCallback& callback);
  35
  36  private:
  37   // net::URLFetcherDelegate:
  38   void OnURLFetchComplete(const net::URLFetcher* source) override;
  39
  40   void OnDownloadTimeout();
  41
  42   // Timer that enforces a timeout on the attempt to download the
  43   // config file.
  44   base::OneShotTimer<BrandcodeConfigFetcher> download_timer_;
  45
  46   // |fetch_callback_| called when fetching succeeded or failed.
  47   FetchCallback fetch_callback_;
  48
  49   // Helper to fetch the online config file.
  50   scoped_ptr<net::URLFetcher> config_fetcher_;
  51
  52   // Fetched settings.
  53   scoped_ptr<BrandcodedDefaultSettings> default_settings_;
  54
  55   DISALLOW_COPY_AND_ASSIGN(BrandcodeConfigFetcher);
  56 };
  57
  58 #endif  // CHROME_BROWSER_PROFILE_RESETTER_BRANDCODE_CONFIG_FETCHER_H_