mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
282 lines
11 KiB
C++
282 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ft=cpp tw=78 sw=2 et ts=8 : */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Mozilla code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Zero-Knowledge Systems, Inc.
|
|
* Portions created by the Initial Developer are Copyright (C) 2000
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Timothy Watt <riceman+bmo@mail.rit.edu>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "nsISupports.idl"
|
|
|
|
interface nsIURI;
|
|
interface nsIDOMNode;
|
|
|
|
/**
|
|
* Interface for content policy mechanism. Implementations of this
|
|
* interface can be used to control loading of various types of out-of-line
|
|
* content, or processing of certain types of in-line content.
|
|
*
|
|
* WARNING: do not block the caller from shouldLoad or shouldProcess (e.g.,
|
|
* by launching a dialog to prompt the user for something).
|
|
*/
|
|
|
|
[scriptable,uuid(344f9cb0-9a17-44c5-ab96-ee707884266c)]
|
|
interface nsIContentPolicy : nsISupports
|
|
{
|
|
const unsigned long TYPE_OTHER = 1;
|
|
|
|
/**
|
|
* Indicates an executable script (such as JavaScript).
|
|
*/
|
|
const unsigned long TYPE_SCRIPT = 2;
|
|
|
|
/**
|
|
* Indicates an image (e.g., IMG elements).
|
|
*/
|
|
const unsigned long TYPE_IMAGE = 3;
|
|
|
|
/**
|
|
* Indicates a stylesheet (e.g., STYLE elements).
|
|
*/
|
|
const unsigned long TYPE_STYLESHEET = 4;
|
|
|
|
/**
|
|
* Indicates a generic object (plugin-handled content typically falls under
|
|
* this category).
|
|
*/
|
|
const unsigned long TYPE_OBJECT = 5;
|
|
|
|
/**
|
|
* Indicates a document at the top-level (i.e., in a browser).
|
|
*/
|
|
const unsigned long TYPE_DOCUMENT = 6;
|
|
|
|
/**
|
|
* Indicates a document contained within another document (e.g., IFRAMEs,
|
|
* FRAMES, and OBJECTs).
|
|
*/
|
|
const unsigned long TYPE_SUBDOCUMENT = 7;
|
|
|
|
/**
|
|
* Indicates a timed refresh.
|
|
*
|
|
* shouldLoad will never get this, because it does not represent content
|
|
* to be loaded (the actual load triggered by the refresh will go through
|
|
* shouldLoad as expected).
|
|
*
|
|
* shouldProcess will get this for, e.g., META Refresh elements and HTTP
|
|
* Refresh headers.
|
|
*/
|
|
const unsigned long TYPE_REFRESH = 8;
|
|
|
|
/**
|
|
* Indicates an XBL binding request, triggered either by -moz-binding CSS
|
|
* property or Document.addBinding method.
|
|
*/
|
|
const unsigned long TYPE_XBL = 9;
|
|
|
|
/**
|
|
* Indicates a ping triggered by a click on <A PING="..."> element.
|
|
*/
|
|
const unsigned long TYPE_PING = 10;
|
|
|
|
/**
|
|
* Indicates an XMLHttpRequest. Also used for document.load.
|
|
*/
|
|
const unsigned long TYPE_XMLHTTPREQUEST = 11;
|
|
|
|
/**
|
|
* Indicates a request by a plugin.
|
|
*/
|
|
const unsigned long TYPE_OBJECT_SUBREQUEST = 12;
|
|
|
|
/**
|
|
* Indicates a DTD loaded by an XML document.
|
|
*/
|
|
const unsigned long TYPE_DTD = 13;
|
|
|
|
/**
|
|
* Indicates a font loaded via @font-face rule.
|
|
*/
|
|
const unsigned long TYPE_FONT = 14;
|
|
|
|
/**
|
|
* Indicates a video or audio load.
|
|
*/
|
|
const unsigned long TYPE_MEDIA = 15;
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
/**
|
|
* Returned from shouldLoad or shouldProcess if the load or process request
|
|
* is rejected based on details of the request.
|
|
*/
|
|
const short REJECT_REQUEST = -1;
|
|
|
|
/**
|
|
* Returned from shouldLoad or shouldProcess if the load/process is rejected
|
|
* based solely on its type (of the above flags).
|
|
*
|
|
* NOTE that it is not meant to stop future requests for this type--only the
|
|
* current request.
|
|
*/
|
|
const short REJECT_TYPE = -2;
|
|
|
|
/**
|
|
* Returned from shouldLoad or shouldProcess if the load/process is rejected
|
|
* based on the server it is hosted on or requested from (aContentLocation or
|
|
* aRequestOrigin), e.g., if you block an IMAGE because it is served from
|
|
* goatse.cx (even if you don't necessarily block other types from that
|
|
* server/domain).
|
|
*
|
|
* NOTE that it is not meant to stop future requests for this server--only the
|
|
* current request.
|
|
*/
|
|
const short REJECT_SERVER = -3;
|
|
|
|
/**
|
|
* Returned from shouldLoad or shouldProcess if the load/process is rejected
|
|
* based on some other criteria. Mozilla callers will handle this like
|
|
* REJECT_REQUEST; third-party implementors may, for example, use this to
|
|
* direct their own callers to consult the extra parameter for additional
|
|
* details.
|
|
*/
|
|
const short REJECT_OTHER = -4;
|
|
|
|
/**
|
|
* Returned from shouldLoad or shouldProcess if the load or process request
|
|
* is not rejected.
|
|
*/
|
|
const short ACCEPT = 1;
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
/**
|
|
* Should the resource at this location be loaded?
|
|
* ShouldLoad will be called before loading the resource at aContentLocation
|
|
* to determine whether to start the load at all.
|
|
*
|
|
* @param aContentType the type of content being tested. This will be one
|
|
* one of the TYPE_* constants.
|
|
*
|
|
* @param aContentLocation the location of the content being checked; must
|
|
* not be null
|
|
*
|
|
* @param aRequestOrigin OPTIONAL. the location of the resource that
|
|
* initiated this load request; can be null if
|
|
* inapplicable
|
|
*
|
|
* @param aContext OPTIONAL. the nsIDOMNode or nsIDOMWindow that
|
|
* initiated the request, or something that can QI
|
|
* to one of those; can be null if inapplicable.
|
|
*
|
|
* @param aMimeTypeGuess OPTIONAL. a guess for the requested content's
|
|
* MIME type, based on information available to
|
|
* the request initiator (e.g., an OBJECT's type
|
|
* attribute); does not reliably reflect the
|
|
* actual MIME type of the requested content
|
|
*
|
|
* @param aExtra an OPTIONAL argument, pass-through for non-Gecko
|
|
* callers to pass extra data to callees.
|
|
*
|
|
* @return ACCEPT or REJECT_*
|
|
*
|
|
* @note shouldLoad can be called while the DOM and layout of the document
|
|
* involved is in an inconsistent state. This means that implementors of
|
|
* this method MUST NOT do any of the following:
|
|
* 1) Modify the DOM in any way (e.g. setting attributes is a no-no).
|
|
* 2) Query any DOM properties that depend on layout (e.g. offset*
|
|
* properties).
|
|
* 3) Query any DOM properties that depend on style (e.g. computed style).
|
|
* 4) Query any DOM properties that depend on the current state of the DOM
|
|
* outside the "context" node (e.g. lengths of node lists).
|
|
* 5) [JavaScript implementations only] Access properties of any sort on any
|
|
* object without using XPCNativeWrapper (either explicitly or
|
|
* implicitly). Due to various DOM0 things, this leads to item 4.
|
|
* If you do any of these things in your shouldLoad implementation, expect
|
|
* unpredictable behavior, possibly including crashes, content not showing
|
|
* up, content showing up doubled, etc. If you need to do any of the things
|
|
* above, do them off timeout or event.
|
|
*/
|
|
short shouldLoad(in unsigned long aContentType,
|
|
in nsIURI aContentLocation,
|
|
in nsIURI aRequestOrigin,
|
|
in nsISupports aContext,
|
|
in ACString aMimeTypeGuess,
|
|
in nsISupports aExtra);
|
|
|
|
/**
|
|
* Should the resource be processed?
|
|
* ShouldProcess will be called once all the information passed to it has
|
|
* been determined about the resource, typically after part of the resource
|
|
* has been loaded.
|
|
*
|
|
* @param aContentType the type of content being tested. This will be one
|
|
* one of the TYPE_* constants.
|
|
*
|
|
* @param aContentLocation OPTIONAL; the location of the resource being
|
|
* requested: MAY be, e.g., a post-redirection URI
|
|
* for the resource.
|
|
*
|
|
* @param aRequestOrigin OPTIONAL. the location of the resource that
|
|
* initiated this load request; can be null if
|
|
* inapplicable
|
|
*
|
|
* @param aContext OPTIONAL. the nsIDOMNode or nsIDOMWindow that
|
|
* initiated the request, or something that can QI
|
|
* to one of those; can be null if inapplicable.
|
|
*
|
|
* @param aMimeType the MIME type of the requested resource (e.g.,
|
|
* image/png), as reported by the networking library,
|
|
* if available (may be empty if inappropriate for
|
|
* the type, e.g., TYPE_REFRESH).
|
|
*
|
|
* @param aExtra an OPTIONAL argument, pass-through for non-Gecko
|
|
* callers to pass extra data to callees.
|
|
*
|
|
* @return ACCEPT or REJECT_*
|
|
*
|
|
* @note shouldProcess can be called while the DOM and layout of the document
|
|
* involved is in an inconsistent state. See the note on shouldLoad to see
|
|
* what this means for implementors of this method.
|
|
*/
|
|
short shouldProcess(in unsigned long aContentType,
|
|
in nsIURI aContentLocation,
|
|
in nsIURI aRequestOrigin,
|
|
in nsISupports aContext,
|
|
in ACString aMimeType,
|
|
in nsISupports aExtra);
|
|
|
|
};
|