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78 lines
3.2 KiB
Plaintext
78 lines
3.2 KiB
Plaintext
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is
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* Darin Fisher <darin@meer.net>.
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* Portions created by the Initial Developer are Copyright (C) 2004
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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/**
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* This interface exposes the general notion of a scheduled object with a
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* integral priority value. Following UNIX conventions, smaller (and possibly
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* negative) values have higher priority.
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*
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* This interface does not strictly define what happens when the priority of an
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* object is changed. An implementation of this interface is free to define
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* the side-effects of changing the priority of an object. In some cases,
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* changing the priority of an object may be disallowed (resulting in an
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* exception being thrown) or may simply be ignored.
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*/
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[scriptable, uuid(aa578b44-abd5-4c19-8b14-36d4de6fdc36)]
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interface nsISupportsPriority : nsISupports
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{
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/**
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* Typical priority values.
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*/
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const long PRIORITY_HIGHEST = -20;
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const long PRIORITY_HIGH = -10;
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const long PRIORITY_NORMAL = 0;
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const long PRIORITY_LOW = 10;
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const long PRIORITY_LOWEST = 20;
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/**
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* This attribute may be modified to change the priority of this object. The
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* implementation of this interface is free to truncate a given priority
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* value to whatever limits are appropriate. Typically, this attribute is
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* initialized to PRIORITY_NORMAL, but implementations may choose to assign a
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* different initial value.
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*/
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attribute long priority;
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/**
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* This method adjusts the priority attribute by a given delta. It helps
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* reduce the amount of coding required to increment or decrement the value
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* of the priority attribute.
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*/
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void adjustPriority(in long delta);
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};
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