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      1 // Copyright (c) 2010 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_DOWNLOAD_DOWNLOAD_STATUS_UPDATER_DELEGATE_H_
      6 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_STATUS_UPDATER_DELEGATE_H_
      7 
      8 #include "base/basictypes.h"
      9 
     10 class DownloadStatusUpdaterDelegate {
     11  public:
     12   // Returns true if the progress is known (i.e. we know the final size
     13   // of all downloads).
     14   virtual bool IsDownloadProgressKnown() = 0;
     15 
     16   // Returns the number of downloads that are in progress.
     17   virtual int64 GetInProgressDownloadCount() = 0;
     18 
     19   // Returns the amount of received data, in bytes.
     20   virtual int64 GetReceivedDownloadBytes() = 0;
     21 
     22   // Returns the final size of all downloads, in bytes.
     23   virtual int64 GetTotalDownloadBytes() = 0;
     24 
     25  protected:
     26   virtual ~DownloadStatusUpdaterDelegate() {}
     27 };
     28 
     29 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_STATUS_UPDATER_DELEGATE_H_
     30