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 10class 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