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94 lines
3.0 KiB
Plaintext
94 lines
3.0 KiB
Plaintext
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/* -*- 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 result of a successful asynchronous operation.
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*/
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[scriptable, builtinclass, uuid(08B4CF29-3D65-4E79-B522-A694C322ED07)]
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interface nsINativeOSFileResult: nsISupports
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{
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/**
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* The actual value produced by the operation.
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*
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* Actual type of this value depends on the options passed to the
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* operation.
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*/
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[implicit_jscontext]
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readonly attribute jsval result;
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/**
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* Delay between when the operation was requested on the main thread and
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* when the operation was started off main thread.
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*/
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readonly attribute double dispatchDurationMS;
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/**
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* Duration of the off main thread execution.
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*/
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readonly attribute double executionDurationMS;
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};
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/**
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* A callback invoked in case of success.
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*/
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[scriptable, function, uuid(2C1922CA-CA1B-4099-8B61-EC23CFF49412)]
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interface nsINativeOSFileSuccessCallback: nsISupports
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{
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void complete(in nsINativeOSFileResult result);
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};
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/**
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* A callback invoked in case of error.
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*/
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[scriptable, function, uuid(F612E0FC-6736-4D24-AA50-FD661B3B40B6)]
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interface nsINativeOSFileErrorCallback: nsISupports
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{
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/**
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* @param operation The name of the failed operation. Provided to aid
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* debugging only, may change without notice.
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* @param OSstatus The OS status of the operation (errno under Unix,
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* GetLastError under Windows).
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*/
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void complete(in ACString operation, in long OSstatus);
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};
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/**
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* A service providing native implementations of some of the features
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* of OS.File.
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*/
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[scriptable, builtinclass, uuid(913362AD-1526-4623-9E6B-A2EB08AFBBB9)]
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interface nsINativeOSFileInternalsService: nsISupports
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{
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/**
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* Implementation of OS.File.read
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*
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* @param path The absolute path to the file to read.
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* @param options An object that may contain some of the following fields
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* - {number} bytes The maximal number of bytes to read.
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* - {string} encoding If provided, return the result as a string, decoded
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* using this encoding. Otherwise, pass the result as an ArrayBuffer.
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* Invalid encodings cause onError to be called with the platform-specific
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* "invalid argument" constant.
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* - {string} compression Unimplemented at the moment.
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* @param onSuccess The success callback.
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* @param onError The error callback.
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*/
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[implicit_jscontext]
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void read(in AString path, in jsval options,
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in nsINativeOSFileSuccessCallback onSuccess,
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in nsINativeOSFileErrorCallback onError);
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};
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%{ C++
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#define NATIVE_OSFILE_INTERNALS_SERVICE_CID {0x63A69303,0x8A64,0x45A9,{0x84, 0x8C, 0xD4, 0xE2, 0x79, 0x27, 0x94, 0xE6}}
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#define NATIVE_OSFILE_INTERNALS_SERVICE_CONTRACTID "@mozilla.org/toolkit/osfile/native-internals;1"
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%}
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