Bug 1100398 P1 Add the nsICloneableInputStream interface. r=froydnj

This commit is contained in:
Ben Kelly 2015-02-10 23:55:43 -05:00
parent 7f8ecbcda1
commit a4ec611b4f
2 changed files with 23 additions and 0 deletions

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@ -9,6 +9,7 @@ XPIDL_SOURCES += [
'nsIAsyncOutputStream.idl',
'nsIBinaryInputStream.idl',
'nsIBinaryOutputStream.idl',
'nsICloneableInputStream.idl',
'nsIConverterInputStream.idl',
'nsIConverterOutputStream.idl',
'nsIDirectoryEnumerator.idl',

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@ -0,0 +1,22 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsIInputStream.idl"
[scriptable, builtinclass, uuid(8149be1f-44d3-4f14-8b65-a57a5fbbeb97)]
interface nsICloneableInputStream : nsISupports
{
// Allow streams that implement the interface to determine if cloning
// possible at runtime. For example, this allows wrappers to check if
// their base stream supports cloning.
[infallible] readonly attribute boolean cloneable;
// Produce a copy of the current stream in the most efficient way possible.
// In this case "copy" means that both the original and cloned streams
// should produce the same bytes for all future reads. Bytes that have
// already been consumed from the original stream are not copied to the
// clone. Operations on the two streams should be completely independent
// after the clone() occurs.
nsIInputStream clone();
};