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112 lines
4.1 KiB
Plaintext
112 lines
4.1 KiB
Plaintext
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
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/* vim: set ts=2 et sw=2 tw=40: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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/**
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* The interface for the callback invoked when there is an error.
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*/
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[scriptable, function, uuid(5DAEDDC3-FC94-4880-8A4F-26D910B92662)]
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interface nsINativeFileWatcherErrorCallback: nsISupports
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{
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/**
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* @param xpcomError The XPCOM error code.
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* @param osError The native OS error (errno under Unix, GetLastError under Windows).
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*/
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void complete(in nsresult xpcomError, in long osError);
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};
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/**
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* The interface for the callback invoked when a change on a watched
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* resource is detected.
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*/
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[scriptable, function, uuid(FE4D86C9-243F-4195-B544-AECE3DF4B86A)]
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interface nsINativeFileWatcherCallback: nsISupports
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{
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/**
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* @param resourcePath
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* The path of the changed resource. If there were too many changes,
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* the string "*" is passed.
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* @param flags Reserved for future uses, not currently used.
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*/
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void changed(in AString resourcePath, in int32_t flags);
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};
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/**
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* The interface for the callback invoked when a file watcher operation
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* successfully completes.
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*/
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[scriptable, function, uuid(C3D7F542-681B-4ABD-9D65-9D799B29A42B)]
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interface nsINativeFileWatcherSuccessCallback: nsISupports
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{
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/**
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* @param resourcePath
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* The path of the resource for which the operation completes.
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*/
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void complete(in AString resourcePath);
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};
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/**
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* A service providing native implementations of path changes notification.
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*/
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[scriptable, builtinclass, uuid(B3A4E8D8-7DC8-47DB-A8B4-83736D7AC1AA)]
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interface nsINativeFileWatcherService: nsISupports
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{
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/**
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* Watches the passed path for changes. If it's a directory, every file
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* it contains is watched. Recursively watches subdirectories. If the
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* resource is already being watched, does nothing. If the passed path
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* is a file, the behaviour is not specified.
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*
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* @param pathToWatch The path to watch for changes.
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* @param onChange
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* The callback invoked whenever a change on a watched
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* resource is detected.
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* @param onError
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* The optional callback invoked whenever an error occurs.
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* @param onSuccess
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* The optional callback invoked when the file watcher starts
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* watching the resource for changes.
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*/
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void addPath(in AString pathToWatch,
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in nsINativeFileWatcherCallback onChange,
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[optional] in nsINativeFileWatcherErrorCallback onError,
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[optional] in nsINativeFileWatcherSuccessCallback onSuccess);
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/**
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* Removes the provided path from the watched resources. If the path
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* was not being watched or the callbacks were not registered, silently
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* ignores the request.
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* Please note that the file watcher only considers the onChange callbacks
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* when deciding to close a watch on a resource. If there are no more onChange
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* callbacks associated to the watch, it gets closed (even though it still has
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* some error callbacks associated).
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*
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* @param pathToUnwatch The path to un-watch.
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* @param onChange
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* The registered callback invoked whenever a change on a watched
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* resource is detected.
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* @param onError
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* The optionally registered callback invoked whenever an error
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* occurs.
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* @param onSuccess
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* The optional callback invoked when the file watcher stops
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* watching the resource for changes.
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*/
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void removePath(in AString pathToUnwatch,
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in nsINativeFileWatcherCallback onChange,
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[optional] in nsINativeFileWatcherErrorCallback onError,
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[optional] in nsINativeFileWatcherSuccessCallback onSuccess);
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};
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%{ C++
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#define NATIVE_FILEWATCHER_SERVICE_CID {0x6F488507, 0x469D, 0x4350, {0xA6, 0x8D, 0x99, 0xC8, 0x7, 0xBE, 0xA, 0x78}}
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#define NATIVE_FILEWATCHER_SERVICE_CONTRACTID "@mozilla.org/toolkit/filewatcher/native-file-watcher;1"
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%}
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