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1 /* This Source Code Form is subject to the terms of the Mozilla Public |
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2 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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4 |
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5 #include "nsIStreamListener.idl" |
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6 |
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7 interface nsIFile; |
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8 interface nsIDownloadObserver; |
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9 |
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10 /** |
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11 * nsIDownloader |
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12 * |
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13 * A downloader is a special implementation of a nsIStreamListener that will |
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14 * make the contents of the stream available as a file. This may utilize the |
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15 * disk cache as an optimization to avoid an extra copy of the data on disk. |
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16 * The resulting file is valid from the time the downloader completes until |
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17 * the last reference to the downloader is released. |
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18 */ |
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19 [scriptable, uuid(fafe41a9-a531-4d6d-89bc-588a6522fb4e)] |
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20 interface nsIDownloader : nsIStreamListener |
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21 { |
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22 /** |
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23 * Initialize this downloader |
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24 * |
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25 * @param observer |
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26 * the observer to be notified when the download completes. |
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27 * @param downloadLocation |
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28 * the location where the stream contents should be written. |
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29 * if null, the downloader will select a location and the |
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30 * resulting file will be deleted (or otherwise made invalid) |
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31 * when the downloader object is destroyed. if an explicit |
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32 * download location is specified then the resulting file will |
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33 * not be deleted, and it will be the callers responsibility |
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34 * to keep track of the file, etc. |
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35 */ |
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36 void init(in nsIDownloadObserver observer, |
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37 in nsIFile downloadLocation); |
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38 }; |
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39 |
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40 [scriptable, uuid(44b3153e-a54e-4077-a527-b0325e40924e)] |
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41 interface nsIDownloadObserver : nsISupports |
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42 { |
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43 /** |
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44 * Called to signal a download that has completed. |
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45 */ |
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46 void onDownloadComplete(in nsIDownloader downloader, |
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47 in nsIRequest request, |
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48 in nsISupports ctxt, |
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49 in nsresult status, |
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50 in nsIFile result); |
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51 }; |