diff options
Diffstat (limited to 'netwerk/mime/nsIMIMEInfo.idl')
| -rw-r--r-- | netwerk/mime/nsIMIMEInfo.idl | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/netwerk/mime/nsIMIMEInfo.idl b/netwerk/mime/nsIMIMEInfo.idl new file mode 100644 index 000000000..64172e14e --- /dev/null +++ b/netwerk/mime/nsIMIMEInfo.idl @@ -0,0 +1,365 @@ +/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* 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 "nsISupports.idl" + +interface nsIURI; +interface nsIFile; +interface nsIUTF8StringEnumerator; +interface nsIHandlerApp; +interface nsIArray; +interface nsIMutableArray; +interface nsIInterfaceRequestor; + +typedef long nsHandlerInfoAction; + +/** + * nsIHandlerInfo gives access to the information about how a given protocol + * scheme or MIME-type is handled. + */ +[scriptable, uuid(325e56a7-3762-4312-aec7-f1fcf84b4145)] +interface nsIHandlerInfo : nsISupports { + /** + * The type of this handler info. For MIME handlers, this is the MIME type. + * For protocol handlers, it's the scheme. + * + * @return String representing the type. + */ + readonly attribute ACString type; + + /** + * A human readable description of the handler type + */ + attribute AString description; + + /** + * The application the user has said they want associated with this content + * type. This is not always guaranteed to be set!! + */ + attribute nsIHandlerApp preferredApplicationHandler; + + /** + * Applications that can handle this content type. + * + * The list will include the preferred handler, if any. Elements of this + * array are nsIHandlerApp objects, and this attribute will always reference + * an array, whether or not there are any possible handlers. If there are + * no possible handlers, the array will contain no elements, so just check + * its length (nsIArray::length) to see if there are any possible handlers. + */ + readonly attribute nsIMutableArray possibleApplicationHandlers; + + /** + * Indicates whether a default application handler exists, + * i.e. whether launchWithFile with action = useSystemDefault is possible + * and defaultDescription will contain usable information. + */ + readonly attribute boolean hasDefaultHandler; + + /** + * A pretty name description of the associated default application. Only + * usable if hasDefaultHandler is true. + */ + readonly attribute AString defaultDescription; + + /** + * Launches the application with the specified URI, in a way that + * depends on the value of preferredAction. preferredAction must be + * useHelperApp or useSystemDefault. + * + * @note Only the URI scheme is used to determine how to launch. This is + * essentially a pass-by-value operation. This means that in the case of + * a file: URI, the handler that is registered for file: will be launched + * and our code will not make any decision based on the content-type or + * extension, though the invoked file: handler is free to do so. + * + * @param aURI + * The URI to launch this application with + * + * @param aWindowContext + * The window to parent the dialog against, and, if a web handler + * is chosen, it is loaded in this window as well. See + * nsIHandlerApp.launchWithURI for more details. + * + * @throw NS_ERROR_INVALID_ARG if preferredAction is not valid for this + * call. Other exceptions may be thrown. + */ + void launchWithURI(in nsIURI aURI, + [optional] in nsIInterfaceRequestor aWindowContext); + + /** + * preferredAction is how the user specified they would like to handle + * this content type: save to disk, use specified helper app, use OS + * default handler or handle using navigator; possible value constants + * listed below + */ + attribute nsHandlerInfoAction preferredAction; + + const long saveToDisk = 0; + /** + * Used to indicate that we know nothing about what to do with this. You + * could consider this to be not initialized. + */ + const long alwaysAsk = 1; + const long useHelperApp = 2; + const long handleInternally = 3; + const long useSystemDefault = 4; + + /** + * alwaysAskBeforeHandling: if true, we should always give the user a + * dialog asking how to dispose of this content. + */ + attribute boolean alwaysAskBeforeHandling; +}; + +/** + * nsIMIMEInfo extends nsIHandlerInfo with a bunch of information specific to + * MIME content-types. There is a one-to-many relationship between MIME types + * and file extensions. This means that a MIMEInfo object may have multiple + * file extensions associated with it. However, the reverse is not true. + * + * MIMEInfo objects are generally retrieved from the MIME Service + * @see nsIMIMEService + */ +[scriptable, uuid(1c21acef-c7a1-40c6-9d40-a20480ee53a1)] +interface nsIMIMEInfo : nsIHandlerInfo { + /** + * Gives you an array of file types associated with this type. + * + * @return Number of elements in the array. + * @return Array of extensions. + */ + nsIUTF8StringEnumerator getFileExtensions(); + + /** + * Set File Extensions. Input is a comma delimited list of extensions. + */ + void setFileExtensions(in AUTF8String aExtensions); + + /** + * Returns whether or not the given extension is + * associated with this MIME info. + * + * @return TRUE if the association exists. + */ + boolean extensionExists(in AUTF8String aExtension); + + /** + * Append a given extension to the set of extensions + */ + void appendExtension(in AUTF8String aExtension); + + /** + * Returns the first extension association in + * the internal set of extensions. + * + * @return The first extension. + */ + attribute AUTF8String primaryExtension; + + /** + * The MIME type of this MIMEInfo. + * + * @return String representing the MIME type. + * + * @deprecated use nsIHandlerInfo::type instead. + */ + readonly attribute ACString MIMEType; + + /** + * Returns whether or not these two nsIMIMEInfos are logically + * equivalent. + * + * @returns PR_TRUE if the two are considered equal + */ + boolean equals(in nsIMIMEInfo aMIMEInfo); + + /** + * Returns a list of nsILocalHandlerApp objects containing + * handlers associated with this mimeinfo. Implemented per + * platform using information in this object to generate the + * best list. Typically used for an "open with" style user + * option. + * + * @return nsIArray of nsILocalHandlerApp + */ + readonly attribute nsIArray possibleLocalHandlers; + + /** + * Launches the application with the specified file, in a way that + * depends on the value of preferredAction. preferredAction must be + * useHelperApp or useSystemDefault. + * + * @param aFile The file to launch this application with. + * + * @throw NS_ERROR_INVALID_ARG if action is not valid for this function. + * Other exceptions may be thrown. + */ + void launchWithFile(in nsIFile aFile); +}; + +/** + * nsIHandlerApp represents an external application that can handle content + * of some sort (either a MIME type or a protocol). + * + * FIXME: now that we've made nsIWebHandlerApp inherit from nsIHandlerApp, + * we should also try to make nsIWebContentHandlerInfo inherit from or possibly + * be replaced by nsIWebHandlerApp (bug 394710). + */ +[scriptable, uuid(8BDF20A4-9170-4548-AF52-78311A44F920)] +interface nsIHandlerApp : nsISupports { + + /** + * Human readable name for the handler + */ + attribute AString name; + + /** + * Detailed description for this handler. Suitable for + * a tooltip or short informative sentence. + */ + attribute AString detailedDescription; + + /** + * Whether or not the given handler app is logically equivalent to the + * invokant (i.e. they represent the same app). + * + * Two apps are the same if they are both either local or web handlers + * and their executables/URI templates and command line parameters are + * the same. + * + * @param aHandlerApp the handler app to compare to the invokant + * + * @returns true if the two are logically equivalent, false otherwise + */ + boolean equals(in nsIHandlerApp aHandlerApp); + + /** + * Launches the application with the specified URI. + * + * @param aURI + * The URI to launch this application with + * + * @param aWindowContext + * + * Currently only relevant to web-handler apps. If given, this + * represents the docshell to load the handler in and is passed + * through to nsIURILoader.openURI. If this parameter is null or + * not present, the web handler app implementation will attempt to + * find/create a place to load the handler and do so. As of this + * writing, it tries to load the web handler in a new window using + * nsIBrowserDOMWindow.openURI. In the future, it may attempt to + * have a more comprehensive strategy which could include handing + * off to the system default browser (bug 394479). + */ + void launchWithURI(in nsIURI aURI, + [optional] in nsIInterfaceRequestor aWindowContext); + +}; + +/** + * nsILocalHandlerApp is a local OS-level executable + */ +[scriptable, uuid(D36B6329-52AE-4f45-80F4-B2536AE5F8B2)] +interface nsILocalHandlerApp : nsIHandlerApp { + + /** + * Pointer to the executable file used to handle content + */ + attribute nsIFile executable; + + /** + * Returns the current number of command line parameters. + */ + readonly attribute unsigned long parameterCount; + + /** + * Clears the current list of command line parameters. + */ + void clearParameters(); + + /** + * Appends a command line parameter to the command line + * parameter list. + * + * @param param the parameter to add. + */ + void appendParameter(in AString param); + + /** + * Retrieves a specific command line parameter. + * + * @param param the index of the parameter to return. + * + * @return the parameter string. + * + * @throw NS_ERROR_INVALID_ARG if the index is out of range. + */ + AString getParameter(in unsigned long parameterIndex); + + /** + * Checks to see if a parameter exists in the command line + * parameter list. + * + * @param param the parameter to search for. + * + * @return TRUE if the parameter exists in the current list. + */ + boolean parameterExists(in AString param); +}; + +/** + * nsIWebHandlerApp is a web-based handler, as speced by the WhatWG HTML5 + * draft. Currently, only GET-based handlers are supported. At some point, + * we probably want to work with WhatWG to spec out and implement POST-based + * handlers as well. + */ +[scriptable, uuid(7521a093-c498-45ce-b462-df7ba0d882f6)] +interface nsIWebHandlerApp : nsIHandlerApp { + + /** + * Template used to construct the URI to GET. Template is expected to have + * a %s in it, and the escaped URI to be handled is inserted in place of + * that %s, as per the HTML5 spec. + */ + attribute AUTF8String uriTemplate; +}; + +/** + * nsIDBusHandlerApp represents local applications launched by DBus a message + * invoking a method taking a single string argument descibing a URI + */ +[scriptable, uuid(1ffc274b-4cbf-4bb5-a635-05ad2cbb6534)] +interface nsIDBusHandlerApp : nsIHandlerApp { + + /** + * Service defines the dbus service that should handle this protocol. + * If its not set, NS_ERROR_FAILURE will be returned by LaunchWithURI + */ + attribute AUTF8String service; + + /** + * Objpath defines the object path of the dbus service that should handle + * this protocol. If its not set, NS_ERROR_FAILURE will be returned + * by LaunchWithURI + */ + attribute AUTF8String objectPath; + + /** + * DBusInterface defines the interface of the dbus service that should + * handle this protocol. If its not set, NS_ERROR_FAILURE will be + * returned by LaunchWithURI + */ + attribute AUTF8String dBusInterface; + + /** + * Method defines the dbus method that should be invoked to handle this + * protocol. If its not set, NS_ERROR_FAILURE will be returned by + * LaunchWithURI + */ + attribute AUTF8String method; + +}; + |