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307 lines
11 KiB
Plaintext
307 lines
11 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** 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.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Dan Mosedale <dmose@mozilla.org>
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* Myk Melez <myk@mozilla.org>
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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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interface nsIURI;
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interface nsIFile;
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interface nsIUTF8StringEnumerator;
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interface nsIHandlerApp;
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interface nsIMutableArray;
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interface nsIInterfaceRequestor;
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typedef long nsHandlerInfoAction;
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/**
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* nsIHandlerInfo gives access to the information about how a given protocol
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* scheme or MIME-type is handled.
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*/
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[scriptable, uuid(325e56a7-3762-4312-aec7-f1fcf84b4145)]
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interface nsIHandlerInfo : nsISupports {
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/**
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* The type of this handler info. For MIME handlers, this is the MIME type.
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* For protocol handlers, it's the scheme.
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*
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* @return String representing the type.
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*/
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readonly attribute ACString type;
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/**
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* A human readable description of the handler type
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*/
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attribute AString description;
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/**
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* The application the user has said they want associated with this content
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* type. This is not always guaranteed to be set!!
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*/
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attribute nsIHandlerApp preferredApplicationHandler;
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/**
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* Applications that can handle this content type.
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*
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* The list will include the preferred handler, if any. Elements of this
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* array are nsIHandlerApp objects, and this attribute will always reference
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* an array, whether or not there are any possible handlers. If there are
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* no possible handlers, the array will contain no elements, so just check
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* its length (nsIArray::length) to see if there are any possible handlers.
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*/
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readonly attribute nsIMutableArray possibleApplicationHandlers;
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/**
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* Indicates whether a default application handler exists,
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* i.e. whether launchWithFile with action = useSystemDefault is possible
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* and defaultDescription will contain usable information.
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*/
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readonly attribute boolean hasDefaultHandler;
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/**
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* A pretty name description of the associated default application. Only
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* usable if hasDefaultHandler is true.
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*/
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readonly attribute AString defaultDescription;
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/**
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* Launches the application with the specified URI, in a way that
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* depends on the value of preferredAction. preferredAction must be
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* useHelperApp or useSystemDefault.
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*
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* @note Only the URI scheme is used to determine how to launch. This is
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* essentially a pass-by-value operation. This means that in the case of
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* a file: URI, the handler that is registered for file: will be launched
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* and our code will not make any decision based on the content-type or
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* extension, though the invoked file: handler is free to do so.
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*
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* @param aURI
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* The URI to launch this application with
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*
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* @param aWindowContext
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* The window to parent the dialog against, and, if a web handler
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* is chosen, it is loaded in this window as well. This parameter
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* may be ultimately passed nsIURILoader.openURI in the case of a
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* web handler, and aWindowContext is null or not present, web
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* handlers will fail. We need to do better than that; bug 394483
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* filed in order to track.
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*
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* @throw NS_ERROR_INVALID_ARG if preferredAction is not valid for this
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* call. Other exceptions may be thrown.
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*/
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void launchWithURI(in nsIURI aURI,
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[optional] in nsIInterfaceRequestor aWindowContext);
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/**
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* preferredAction is how the user specified they would like to handle
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* this content type: save to disk, use specified helper app, use OS
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* default handler or handle using navigator; possible value constants
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* listed below
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*/
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attribute nsHandlerInfoAction preferredAction;
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const long saveToDisk = 0;
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/**
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* Used to indicate that we know nothing about what to do with this. You
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* could consider this to be not initialized.
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*/
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const long alwaysAsk = 1;
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const long useHelperApp = 2;
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const long handleInternally = 3;
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const long useSystemDefault = 4;
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/**
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* alwaysAskBeforeHandling: if true, we should always give the user a
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* dialog asking how to dispose of this content.
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*/
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attribute boolean alwaysAskBeforeHandling;
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};
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/**
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* nsIMIMEInfo extends nsIHandlerInfo with a bunch of information specific to
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* MIME content-types. There is a one-to-many relationship between MIME types
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* and file extensions. This means that a MIMEInfo object may have multiple
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* file extensions associated with it. However, the reverse is not true.
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*
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* MIMEInfo objects are generally retrieved from the MIME Service
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* @see nsIMIMEService
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*/
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[scriptable, uuid(a4011016-81a1-47d9-b01e-19a2272ae89b)]
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interface nsIMIMEInfo : nsIHandlerInfo {
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/**
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* Gives you an array of file types associated with this type.
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*
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* @return Number of elements in the array.
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* @return Array of extensions.
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*/
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nsIUTF8StringEnumerator getFileExtensions();
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/**
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* Set File Extensions. Input is a comma delimited list of extensions.
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*/
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void setFileExtensions(in AUTF8String aExtensions);
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/**
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* Returns whether or not the given extension is
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* associated with this MIME info.
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*
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* @return TRUE if the association exists.
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*/
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boolean extensionExists(in AUTF8String aExtension);
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/**
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* Append a given extension to the set of extensions
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*/
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void appendExtension(in AUTF8String aExtension);
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/**
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* Returns the first extension association in
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* the internal set of extensions.
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*
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* @return The first extension.
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*/
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attribute AUTF8String primaryExtension;
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/**
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* The MIME type of this MIMEInfo.
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*
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* @return String representing the MIME type.
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*
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* @deprecated use nsIHandlerInfo::type instead.
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*/
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readonly attribute ACString MIMEType;
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/**
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* Mac Type and creator types
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*/
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attribute PRUint32 macType;
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attribute PRUint32 macCreator;
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/**
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* Returns whether or not these two nsIMIMEInfos are logically
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* equivalent.
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*
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* @returns PR_TRUE if the two are considered equal
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*/
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boolean equals(in nsIMIMEInfo aMIMEInfo);
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/**
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* Launches the application with the specified file, in a way that
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* depends on the value of preferredAction. preferredAction must be
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* useHelperApp or useSystemDefault.
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*
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* @param aFile The file to launch this application with.
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*
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* @throw NS_ERROR_INVALID_ARG if action is not valid for this function.
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* Other exceptions may be thrown.
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*/
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void launchWithFile(in nsIFile aFile);
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};
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/**
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* nsIHandlerApp represents an external application that can handle content
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* of some sort (either a MIME type or a protocol).
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*
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* FIXME: now that we've made nsIWebHandlerApp inherit from nsIHandlerApp,
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* we should also try to make nsIWebContentHandlerInfo inherit from or possibly
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* be replaced by nsIWebHandlerApp (bug 394710).
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*/
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[scriptable, uuid(8d298761-0963-4c90-99e2-6ea498825e82)]
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interface nsIHandlerApp : nsISupports {
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/**
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* Human readable name for the handler
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*/
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attribute AString name;
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/**
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* Whether or not the given handler app is logically equivalent to the
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* invokant (i.e. they represent the same app).
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*
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* Two apps are the same if they are both either local or web handlers
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* and their executables/URI templates are the same in a string comparison.
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*
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* @param aHandlerApp the handler app to compare to the invokant
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*
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* @returns true if the two are logically equivalent, false otherwise
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*/
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boolean equals(in nsIHandlerApp aHandlerApp);
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/**
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* Launches the application with the specified URI.
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*
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* @param aURI
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* The URI to launch this application with
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*
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* @param aWindowContext
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* Required for web handlers; is passed through to
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* nsIURILoader.openURI, but see bug 394483 for info on
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* how this needs to evolve.
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*/
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void launchWithURI(in nsIURI aURI,
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[optional] in nsIInterfaceRequestor aWindowContext);
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};
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/**
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* nsILocalHandlerApp is a local OS-level executable
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*/
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[scriptable, uuid(9812be73-273c-478c-8170-c3e0db08ae7c)]
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interface nsILocalHandlerApp : nsIHandlerApp {
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/**
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* Pointer to the executable file used to handle content
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*/
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attribute nsIFile executable;
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};
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/**
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* nsIWebHandlerApp is a web-based handler, as speced by the WhatWG HTML5
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* draft. Currently, only GET-based handlers are supported. At some point,
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* we probably want to work with WhatWG to spec out and implement POST-based
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* handlers as well.
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*/
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[scriptable, uuid(7521a093-c498-45ce-b462-df7ba0d882f6)]
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interface nsIWebHandlerApp : nsIHandlerApp {
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/**
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* Template used to construct the URI to GET. Template is expected to have
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* a %s in it, and the escaped URI to be handled is inserted in place of
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* that %s, as per the HTML5 spec.
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*/
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attribute AUTF8String uriTemplate;
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};
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