root/chrome/browser/profile_resetter/brandcode_config_fetcher.h

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INCLUDED FROM


// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_PROFILE_RESETTER_BRANDCODE_CONFIG_FETCHER_H_
#define CHROME_BROWSER_PROFILE_RESETTER_BRANDCODE_CONFIG_FETCHER_H_

#include "base/basictypes.h"
#include "base/callback.h"
#include "base/timer/timer.h"
#include "net/url_request/url_fetcher_delegate.h"

class BrandcodedDefaultSettings;
class GURL;

// BrandcodeConfigFetcher fetches and parses the xml containing the brandcoded
// default settings. Caller should provide a FetchCallback.
class BrandcodeConfigFetcher : public net::URLFetcherDelegate {
 public:
  typedef base::Callback<void ()> FetchCallback;

  BrandcodeConfigFetcher(const FetchCallback& callback,
                         const GURL& url,
                         const std::string& brandcode);
  virtual ~BrandcodeConfigFetcher();

  bool IsActive() const { return config_fetcher_; }

  scoped_ptr<BrandcodedDefaultSettings> GetSettings() {
    return default_settings_.Pass();
  }

  // Sets the new callback. The previous one won't be called.
  void SetCallback(const FetchCallback& callback);

 private:
  // net::URLFetcherDelegate:
  virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;

  void OnDownloadTimeout();

  // Timer that enforces a timeout on the attempt to download the
  // config file.
  base::OneShotTimer<BrandcodeConfigFetcher> download_timer_;

  // |fetch_callback_| called when fetching succeeded or failed.
  FetchCallback fetch_callback_;

  // Helper to fetch the online config file.
  scoped_ptr<net::URLFetcher> config_fetcher_;

  // Fetched settings.
  scoped_ptr<BrandcodedDefaultSettings> default_settings_;

  DISALLOW_COPY_AND_ASSIGN(BrandcodeConfigFetcher);
};

#endif  // CHROME_BROWSER_PROFILE_RESETTER_BRANDCODE_CONFIG_FETCHER_H_

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