netwerk/mime/nsIMIMEInfo.idl

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/netwerk/mime/nsIMIMEInfo.idl	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,365 @@
     1.4 +/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "nsISupports.idl"
    1.10 +
    1.11 +interface nsIURI;
    1.12 +interface nsIFile;
    1.13 +interface nsIUTF8StringEnumerator;
    1.14 +interface nsIHandlerApp;
    1.15 +interface nsIArray;
    1.16 +interface nsIMutableArray;
    1.17 +interface nsIInterfaceRequestor;
    1.18 +
    1.19 +typedef long nsHandlerInfoAction;
    1.20 +
    1.21 +/**
    1.22 + * nsIHandlerInfo gives access to the information about how a given protocol
    1.23 + * scheme or MIME-type is handled.
    1.24 + */
    1.25 +[scriptable, uuid(325e56a7-3762-4312-aec7-f1fcf84b4145)] 
    1.26 +interface nsIHandlerInfo : nsISupports {
    1.27 +    /**
    1.28 +     * The type of this handler info.  For MIME handlers, this is the MIME type.
    1.29 +     * For protocol handlers, it's the scheme.
    1.30 +     * 
    1.31 +     * @return String representing the type.
    1.32 +     */
    1.33 +    readonly attribute ACString type;
    1.34 +
    1.35 +    /**
    1.36 +     * A human readable description of the handler type
    1.37 +     */
    1.38 +    attribute AString description;
    1.39 +
    1.40 +    /**
    1.41 +     * The application the user has said they want associated with this content
    1.42 +     * type. This is not always guaranteed to be set!!
    1.43 +     */
    1.44 +    attribute nsIHandlerApp preferredApplicationHandler;
    1.45 +
    1.46 +    /**
    1.47 +     * Applications that can handle this content type.
    1.48 +     *
    1.49 +     * The list will include the preferred handler, if any.  Elements of this
    1.50 +     * array are nsIHandlerApp objects, and this attribute will always reference
    1.51 +     * an array, whether or not there are any possible handlers.  If there are
    1.52 +     * no possible handlers, the array will contain no elements, so just check
    1.53 +     * its length (nsIArray::length) to see if there are any possible handlers.
    1.54 +     */
    1.55 +    readonly attribute nsIMutableArray possibleApplicationHandlers;
    1.56 +
    1.57 +    /**
    1.58 +     * Indicates whether a default application handler exists,
    1.59 +     * i.e. whether launchWithFile with action = useSystemDefault is possible
    1.60 +     * and defaultDescription will contain usable information.
    1.61 +     */
    1.62 +    readonly attribute boolean hasDefaultHandler;
    1.63 +
    1.64 +    /**
    1.65 +     * A pretty name description of the associated default application. Only
    1.66 +     * usable if hasDefaultHandler is true.
    1.67 +     */
    1.68 +    readonly attribute AString defaultDescription;
    1.69 +
    1.70 +    /**
    1.71 +     * Launches the application with the specified URI, in a way that
    1.72 +     * depends on the value of preferredAction. preferredAction must be
    1.73 +     * useHelperApp or useSystemDefault.
    1.74 +     *  
    1.75 +     * @note Only the URI scheme is used to determine how to launch.  This is
    1.76 +     * essentially a pass-by-value operation.  This means that in the case of
    1.77 +     * a file: URI, the handler that is registered for file: will be launched
    1.78 +     * and our code will not make any decision based on the content-type or
    1.79 +     * extension, though the invoked file: handler is free to do so. 
    1.80 +     *
    1.81 +     * @param aURI
    1.82 +     *        The URI to launch this application with
    1.83 +     *
    1.84 +     * @param aWindowContext 
    1.85 +     *        The window to parent the dialog against, and, if a web handler
    1.86 +     *        is chosen, it is loaded in this window as well.  See 
    1.87 +     *        nsIHandlerApp.launchWithURI for more details.
    1.88 +     *
    1.89 +     * @throw NS_ERROR_INVALID_ARG if preferredAction is not valid for this
    1.90 +     * call. Other exceptions may be thrown.
    1.91 +     */
    1.92 +    void launchWithURI(in nsIURI aURI, 
    1.93 +                       [optional] in nsIInterfaceRequestor aWindowContext);
    1.94 +
    1.95 +    /**
    1.96 +     * preferredAction is how the user specified they would like to handle
    1.97 +     * this content type: save to disk, use specified helper app, use OS
    1.98 +     * default handler or handle using navigator; possible value constants
    1.99 +     * listed below
   1.100 +     */
   1.101 +    attribute nsHandlerInfoAction preferredAction;
   1.102 +
   1.103 +    const long saveToDisk = 0;
   1.104 +    /**
   1.105 +     * Used to indicate that we know nothing about what to do with this.  You
   1.106 +     * could consider this to be not initialized.
   1.107 +     */
   1.108 +    const long alwaysAsk = 1;
   1.109 +    const long useHelperApp = 2;
   1.110 +    const long handleInternally = 3;
   1.111 +    const long useSystemDefault = 4;
   1.112 +
   1.113 +    /**
   1.114 +     * alwaysAskBeforeHandling: if true, we should always give the user a
   1.115 +     * dialog asking how to dispose of this content.
   1.116 +     */
   1.117 +    attribute boolean alwaysAskBeforeHandling;
   1.118 +};
   1.119 +
   1.120 +/**
   1.121 + * nsIMIMEInfo extends nsIHandlerInfo with a bunch of information specific to
   1.122 + * MIME content-types. There is a one-to-many relationship between MIME types
   1.123 + * and file extensions. This means that a MIMEInfo object may have multiple
   1.124 + * file extensions associated with it.  However, the reverse is not true.
   1.125 + *
   1.126 + * MIMEInfo objects are generally retrieved from the MIME Service
   1.127 + * @see nsIMIMEService
   1.128 + */
   1.129 +[scriptable, uuid(1c21acef-c7a1-40c6-9d40-a20480ee53a1)]
   1.130 +interface nsIMIMEInfo : nsIHandlerInfo {
   1.131 +    /**
   1.132 +     * Gives you an array of file types associated with this type.
   1.133 +     *
   1.134 +     * @return Number of elements in the array.
   1.135 +     * @return Array of extensions.
   1.136 +     */
   1.137 +    nsIUTF8StringEnumerator getFileExtensions();
   1.138 +
   1.139 +    /**
   1.140 +     * Set File Extensions. Input is a comma delimited list of extensions.
   1.141 +     */
   1.142 +    void setFileExtensions(in AUTF8String aExtensions);
   1.143 + 
   1.144 +    /**
   1.145 +     * Returns whether or not the given extension is
   1.146 +     * associated with this MIME info.
   1.147 +     *
   1.148 +     * @return TRUE if the association exists. 
   1.149 +     */
   1.150 +    boolean extensionExists(in AUTF8String aExtension);
   1.151 +
   1.152 +    /**
   1.153 +     * Append a given extension to the set of extensions
   1.154 +     */
   1.155 +    void appendExtension(in AUTF8String aExtension);
   1.156 +
   1.157 +    /**
   1.158 +     * Returns the first extension association in
   1.159 +     * the internal set of extensions.
   1.160 +     *
   1.161 +     * @return The first extension.
   1.162 +     */
   1.163 +    attribute AUTF8String primaryExtension;
   1.164 +    
   1.165 +    /**
   1.166 +     * The MIME type of this MIMEInfo.
   1.167 +     * 
   1.168 +     * @return String representing the MIME type.
   1.169 +     * 
   1.170 +     * @deprecated  use nsIHandlerInfo::type instead.
   1.171 +     */
   1.172 +    readonly attribute ACString MIMEType;
   1.173 +
   1.174 +    /**
   1.175 +     * Returns whether or not these two nsIMIMEInfos are logically
   1.176 +     * equivalent.
   1.177 +     *
   1.178 +     * @returns PR_TRUE if the two are considered equal
   1.179 +     */
   1.180 +    boolean equals(in nsIMIMEInfo aMIMEInfo);
   1.181 +
   1.182 +    /** 
   1.183 +     * Returns a list of nsILocalHandlerApp objects containing
   1.184 +     * handlers associated with this mimeinfo. Implemented per 
   1.185 +     * platform using information in this object to generate the
   1.186 +     * best list. Typically used for an "open with" style user 
   1.187 +     * option.
   1.188 +     * 
   1.189 +     * @return nsIArray of nsILocalHandlerApp
   1.190 +     */
   1.191 +    readonly attribute nsIArray possibleLocalHandlers;
   1.192 +
   1.193 +    /**
   1.194 +     * Launches the application with the specified file, in a way that
   1.195 +     * depends on the value of preferredAction. preferredAction must be
   1.196 +     * useHelperApp or useSystemDefault.
   1.197 +     *
   1.198 +     * @param aFile The file to launch this application with.
   1.199 +     *
   1.200 +     * @throw NS_ERROR_INVALID_ARG if action is not valid for this function.
   1.201 +     * Other exceptions may be thrown.
   1.202 +     */
   1.203 +    void launchWithFile(in nsIFile aFile);
   1.204 +};
   1.205 +
   1.206 +/**
   1.207 + * nsIHandlerApp represents an external application that can handle content
   1.208 + * of some sort (either a MIME type or a protocol).
   1.209 + *
   1.210 + * FIXME: now that we've made nsIWebHandlerApp inherit from nsIHandlerApp,
   1.211 + * we should also try to make nsIWebContentHandlerInfo inherit from or possibly
   1.212 + * be replaced by nsIWebHandlerApp (bug 394710).
   1.213 + */
   1.214 +[scriptable, uuid(8BDF20A4-9170-4548-AF52-78311A44F920)]
   1.215 +interface nsIHandlerApp : nsISupports {
   1.216 +
   1.217 +    /**
   1.218 +     * Human readable name for the handler
   1.219 +     */
   1.220 +    attribute AString name;
   1.221 +
   1.222 +    /**
   1.223 +     * Detailed description for this handler. Suitable for
   1.224 +     * a tooltip or short informative sentence.
   1.225 +     */
   1.226 +    attribute AString detailedDescription;
   1.227 +
   1.228 +    /**
   1.229 +     * Whether or not the given handler app is logically equivalent to the
   1.230 +     * invokant (i.e. they represent the same app).
   1.231 +     * 
   1.232 +     * Two apps are the same if they are both either local or web handlers
   1.233 +     * and their executables/URI templates and command line parameters are
   1.234 +     * the same.
   1.235 +     *
   1.236 +     * @param aHandlerApp the handler app to compare to the invokant
   1.237 +     *
   1.238 +     * @returns true if the two are logically equivalent, false otherwise
   1.239 +     */
   1.240 +    boolean equals(in nsIHandlerApp aHandlerApp);
   1.241 +
   1.242 +    /**
   1.243 +     * Launches the application with the specified URI.
   1.244 +     *
   1.245 +     * @param aURI
   1.246 +     *        The URI to launch this application with
   1.247 +     *
   1.248 +     * @param aWindowContext 
   1.249 +     *
   1.250 +     *        Currently only relevant to web-handler apps.  If given, this
   1.251 +     *        represents the docshell to load the handler in and is passed
   1.252 +     *        through to nsIURILoader.openURI.  If this parameter is null or
   1.253 +     *        not present, the web handler app implementation will attempt to 
   1.254 +     *        find/create a place to load the handler and do so.  As of this
   1.255 +     *        writing, it tries to load the web handler in a new window using
   1.256 +     *        nsIBrowserDOMWindow.openURI.  In the future, it may attempt to 
   1.257 +     *        have a more comprehensive strategy which could include handing
   1.258 +     *        off to the system default browser (bug 394479).
   1.259 +     */
   1.260 +    void launchWithURI(in nsIURI aURI, 
   1.261 +                       [optional] in nsIInterfaceRequestor aWindowContext);
   1.262 +
   1.263 +};
   1.264 +
   1.265 +/**
   1.266 + * nsILocalHandlerApp is a local OS-level executable
   1.267 + */
   1.268 +[scriptable, uuid(D36B6329-52AE-4f45-80F4-B2536AE5F8B2)]
   1.269 +interface nsILocalHandlerApp : nsIHandlerApp {
   1.270 +
   1.271 +    /**
   1.272 +     * Pointer to the executable file used to handle content
   1.273 +     */
   1.274 +    attribute nsIFile executable;
   1.275 +
   1.276 +    /**
   1.277 +     * Returns the current number of command line parameters.
   1.278 +     */
   1.279 +    readonly attribute unsigned long parameterCount;
   1.280 +
   1.281 +    /**
   1.282 +     * Clears the current list of command line parameters.
   1.283 +     */
   1.284 +    void clearParameters();
   1.285 +
   1.286 +    /**
   1.287 +     * Appends a command line parameter to the command line
   1.288 +     * parameter list.
   1.289 +     *
   1.290 +     * @param param the parameter to add.
   1.291 +     */
   1.292 +    void appendParameter(in AString param);
   1.293 +
   1.294 +    /**
   1.295 +     * Retrieves a specific command line parameter.
   1.296 +     *
   1.297 +     * @param param the index of the parameter to return.
   1.298 +     *
   1.299 +     * @return the parameter string.
   1.300 +     *
   1.301 +     * @throw NS_ERROR_INVALID_ARG if the index is out of range.
   1.302 +     */
   1.303 +    AString getParameter(in unsigned long parameterIndex);
   1.304 +
   1.305 +    /**
   1.306 +     * Checks to see if a parameter exists in the command line
   1.307 +     * parameter list.
   1.308 +     *
   1.309 +     * @param param the parameter to search for.
   1.310 +     *
   1.311 +     * @return TRUE if the parameter exists in the current list. 
   1.312 +     */
   1.313 +    boolean parameterExists(in AString param);
   1.314 +};
   1.315 +
   1.316 +/**
   1.317 + * nsIWebHandlerApp is a web-based handler, as speced by the WhatWG HTML5
   1.318 + * draft.  Currently, only GET-based handlers are supported.  At some point, 
   1.319 + * we probably want to work with WhatWG to spec out and implement POST-based
   1.320 + * handlers as well.
   1.321 + */
   1.322 +[scriptable, uuid(7521a093-c498-45ce-b462-df7ba0d882f6)]
   1.323 +interface nsIWebHandlerApp : nsIHandlerApp {
   1.324 +
   1.325 +    /**
   1.326 +     * Template used to construct the URI to GET.  Template is expected to have
   1.327 +     * a %s in it, and the escaped URI to be handled is inserted in place of 
   1.328 +     * that %s, as per the HTML5 spec.
   1.329 +     */
   1.330 +    attribute AUTF8String uriTemplate;
   1.331 +};
   1.332 +
   1.333 +/**
   1.334 + * nsIDBusHandlerApp represents local applications launched by DBus a message
   1.335 + * invoking a method taking a single string argument descibing a URI
   1.336 + */
   1.337 +[scriptable, uuid(1ffc274b-4cbf-4bb5-a635-05ad2cbb6534)]
   1.338 +interface nsIDBusHandlerApp : nsIHandlerApp {
   1.339 +
   1.340 +    /**
   1.341 +     * Service defines the dbus service that should handle this protocol.
   1.342 +     * If its not set,  NS_ERROR_FAILURE will be returned by LaunchWithURI
   1.343 +     */
   1.344 +    attribute AUTF8String service;
   1.345 +    
   1.346 +    /**
   1.347 +     * Objpath defines the object path of the dbus service that should handle 
   1.348 +     * this protocol. If its not set,  NS_ERROR_FAILURE will be returned 
   1.349 +     * by LaunchWithURI
   1.350 +     */
   1.351 +    attribute AUTF8String objectPath;
   1.352 +
   1.353 +    /**
   1.354 +     * DBusInterface defines the interface of the dbus service that should 
   1.355 +     * handle this protocol. If its not set,  NS_ERROR_FAILURE will be  
   1.356 +     * returned by LaunchWithURI
   1.357 +     */
   1.358 +    attribute AUTF8String dBusInterface;
   1.359 +    
   1.360 +    /**
   1.361 +     * Method defines the dbus method that should be invoked to handle this 
   1.362 +     * protocol. If its not set,  NS_ERROR_FAILURE will be returned by 
   1.363 +     * LaunchWithURI
   1.364 +     */
   1.365 +    attribute AUTF8String method;
   1.366 +    
   1.367 +};
   1.368 +

mercurial