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: ~DownloadStatusUpdaterDelegate()26 virtual ~DownloadStatusUpdaterDelegate() {} 27 }; 28 29 #endif // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_STATUS_UPDATER_DELEGATE_H_ 30