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366 lines
12 KiB
Plaintext
366 lines
12 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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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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 nsIArray;
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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. See
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* nsIHandlerApp.launchWithURI for more details.
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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(1c21acef-c7a1-40c6-9d40-a20480ee53a1)]
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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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* 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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* Returns a list of nsILocalHandlerApp objects containing
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* handlers associated with this mimeinfo. Implemented per
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* platform using information in this object to generate the
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* best list. Typically used for an "open with" style user
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* option.
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*
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* @return nsIArray of nsILocalHandlerApp
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*/
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readonly attribute nsIArray possibleLocalHandlers;
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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(8BDF20A4-9170-4548-AF52-78311A44F920)]
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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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* Detailed description for this handler. Suitable for
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* a tooltip or short informative sentence.
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*/
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attribute AString detailedDescription;
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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 and command line parameters are
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* the same.
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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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*
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* Currently only relevant to web-handler apps. If given, this
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* represents the docshell to load the handler in and is passed
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* through to nsIURILoader.openURI. If this parameter is null or
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* not present, the web handler app implementation will attempt to
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* find/create a place to load the handler and do so. As of this
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* writing, it tries to load the web handler in a new window using
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* nsIBrowserDOMWindow.openURI. In the future, it may attempt to
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* have a more comprehensive strategy which could include handing
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* off to the system default browser (bug 394479).
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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(D36B6329-52AE-4f45-80F4-B2536AE5F8B2)]
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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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* Returns the current number of command line parameters.
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*/
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readonly attribute unsigned long parameterCount;
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/**
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* Clears the current list of command line parameters.
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*/
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void clearParameters();
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/**
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* Appends a command line parameter to the command line
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* parameter list.
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*
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* @param param the parameter to add.
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*/
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void appendParameter(in AString param);
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/**
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* Retrieves a specific command line parameter.
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*
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* @param param the index of the parameter to return.
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*
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* @return the parameter string.
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*
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* @throw NS_ERROR_INVALID_ARG if the index is out of range.
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*/
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AString getParameter(in unsigned long parameterIndex);
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/**
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* Checks to see if a parameter exists in the command line
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* parameter list.
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*
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* @param param the parameter to search for.
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*
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* @return TRUE if the parameter exists in the current list.
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*/
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boolean parameterExists(in AString param);
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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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/**
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* nsIDBusHandlerApp represents local applications launched by DBus a message
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* invoking a method taking a single string argument descibing a URI
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*/
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[scriptable, uuid(1ffc274b-4cbf-4bb5-a635-05ad2cbb6534)]
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interface nsIDBusHandlerApp : nsIHandlerApp {
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/**
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* Service defines the dbus service that should handle this protocol.
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* If its not set, NS_ERROR_FAILURE will be returned by LaunchWithURI
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*/
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attribute AUTF8String service;
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/**
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* Objpath defines the object path of the dbus service that should handle
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* this protocol. If its not set, NS_ERROR_FAILURE will be returned
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* by LaunchWithURI
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*/
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attribute AUTF8String objectPath;
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/**
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* DBusInterface defines the interface of the dbus service that should
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* handle this protocol. If its not set, NS_ERROR_FAILURE will be
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* returned by LaunchWithURI
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*/
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attribute AUTF8String dBusInterface;
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/**
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* Method defines the dbus method that should be invoked to handle this
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* protocol. If its not set, NS_ERROR_FAILURE will be returned by
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* LaunchWithURI
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*/
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attribute AUTF8String method;
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};
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