1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/xpcom/io/nsIDirectoryService.idl Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,103 @@ 1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ 1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.8 + 1.9 +#include "nsISupports.idl" 1.10 + 1.11 +interface nsIFile; 1.12 +interface nsISimpleEnumerator; 1.13 + 1.14 +/** 1.15 + * nsIDirectoryServiceProvider 1.16 + * 1.17 + * Used by Directory Service to get file locations. 1.18 + */ 1.19 + 1.20 +[scriptable, uuid(bbf8cab0-d43a-11d3-8cc2-00609792278c)] 1.21 +interface nsIDirectoryServiceProvider: nsISupports 1.22 +{ 1.23 + /** 1.24 + * getFile 1.25 + * 1.26 + * Directory Service calls this when it gets the first request for 1.27 + * a prop or on every request if the prop is not persistent. 1.28 + * 1.29 + * @param prop The symbolic name of the file. 1.30 + * @param persistent TRUE - The returned file will be cached by Directory 1.31 + * Service. Subsequent requests for this prop will 1.32 + * bypass the provider and use the cache. 1.33 + * FALSE - The provider will be asked for this prop 1.34 + * each time it is requested. 1.35 + * 1.36 + * @return The file represented by the property. 1.37 + * 1.38 + */ 1.39 + nsIFile getFile(in string prop, out boolean persistent); 1.40 +}; 1.41 + 1.42 +/** 1.43 + * nsIDirectoryServiceProvider2 1.44 + * 1.45 + * An extension of nsIDirectoryServiceProvider which allows 1.46 + * multiple files to be returned for the given key. 1.47 + */ 1.48 + 1.49 +[scriptable, uuid(2f977d4b-5485-11d4-87e2-0010a4e75ef2)] 1.50 +interface nsIDirectoryServiceProvider2: nsIDirectoryServiceProvider 1.51 +{ 1.52 + /** 1.53 + * getFiles 1.54 + * 1.55 + * Directory Service calls this when it gets a request for 1.56 + * a prop and the requested type is nsISimpleEnumerator. 1.57 + * 1.58 + * @param prop The symbolic name of the file list. 1.59 + * 1.60 + * @return An enumerator for a list of file locations. 1.61 + * The elements in the enumeration are nsIFile 1.62 + * @returnCode NS_SUCCESS_AGGREGATE_RESULT if this result should be 1.63 + * aggregated with other "lower" providers. 1.64 + */ 1.65 + nsISimpleEnumerator getFiles(in string prop); 1.66 +}; 1.67 + 1.68 +/** 1.69 + * nsIDirectoryService 1.70 + */ 1.71 + 1.72 +[scriptable, uuid(57a66a60-d43a-11d3-8cc2-00609792278c)] 1.73 +interface nsIDirectoryService: nsISupports 1.74 +{ 1.75 + /** 1.76 + * init 1.77 + * 1.78 + * Must be called. Used internally by XPCOM initialization. 1.79 + * 1.80 + */ 1.81 + void init(); 1.82 + 1.83 + /** 1.84 + * registerProvider 1.85 + * 1.86 + * Register a provider with the service. 1.87 + * 1.88 + * @param prov The service will keep a strong reference 1.89 + * to this object. It will be released when 1.90 + * the service is released. 1.91 + * 1.92 + */ 1.93 + void registerProvider(in nsIDirectoryServiceProvider prov); 1.94 + 1.95 + /** 1.96 + * unregisterProvider 1.97 + * 1.98 + * Unregister a provider with the service. 1.99 + * 1.100 + * @param prov 1.101 + * 1.102 + */ 1.103 + void unregisterProvider(in nsIDirectoryServiceProvider prov); 1.104 +}; 1.105 + 1.106 +