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553 строки
20 KiB
Plaintext
553 строки
20 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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 the Mozilla browser.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications, Inc.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Travis Bogard <travis@netscape.com>
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* Steve Clark <buster@netscape.com>
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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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%{ C++
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class nsPresContext;
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class nsIPresShell;
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%}
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/**
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* The nsIDocShell interface.
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*/
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[ptr] native nsPresContext(nsPresContext);
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[ptr] native nsIPresShell(nsIPresShell);
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interface nsIURI;
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interface nsIChannel;
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interface nsIContentViewer;
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interface nsIURIContentListener;
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interface nsIDOMEventTarget;
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interface nsIDocShellLoadInfo;
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interface nsIDocumentCharsetInfo;
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interface nsIWebNavigation;
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interface nsISimpleEnumerator;
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interface nsIInputStream;
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interface nsIRequest;
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interface nsISHEntry;
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interface nsILayoutHistoryState;
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interface nsISecureBrowserUI;
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interface nsIDOMStorage;
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interface nsIPrincipal;
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interface nsIWebBrowserPrint;
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interface nsIVariant;
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[scriptable, uuid(98cdbcc4-2d81-4191-a63f-b6c52085edbc)]
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interface nsIDocShell : nsISupports
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{
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/**
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* Loads a given URI. This will give priority to loading the requested URI
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* in the object implementing this interface. If it can't be loaded here
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* however, the URL dispatcher will go through its normal process of content
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* loading.
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*
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* @param uri - The URI to load.
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* @param loadInfo - This is the extended load info for this load. This
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* most often will be null, but if you need to do
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* additional setup for this load you can get a loadInfo
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* object by calling createLoadInfo. Once you have this
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* object you can set the needed properties on it and
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* then pass it to loadURI.
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* @param aLoadFlags - Flags to modify load behaviour. Flags are defined in
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* nsIWebNavigation. Note that using flags outside
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* LOAD_FLAGS_MASK is only allowed if passing in a
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* non-null loadInfo. And even some of those might not
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* be allowed. Use at your own risk.
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*/
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[noscript]void loadURI(in nsIURI uri,
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in nsIDocShellLoadInfo loadInfo,
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in unsigned long aLoadFlags,
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in boolean firstParty);
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/**
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* Loads a given stream. This will give priority to loading the requested
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* stream in the object implementing this interface. If it can't be loaded
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* here however, the URL dispatched will go through its normal process of
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* content loading.
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*
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* @param aStream - The input stream that provides access to the data
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* to be loaded. This must be a blocking, threadsafe
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* stream implementation.
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* @param aURI - The URI representing the stream, or null.
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* @param aContentType - The type (MIME) of data being loaded (empty if unknown).
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* @param aContentCharset - The charset of the data being loaded (empty if unknown).
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* @param aLoadInfo - This is the extended load info for this load. This
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* most often will be null, but if you need to do
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* additional setup for this load you can get a
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* loadInfo object by calling createLoadInfo. Once
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* you have this object you can set the needed
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* properties on it and then pass it to loadStream.
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*/
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[noscript]void loadStream(in nsIInputStream aStream,
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in nsIURI aURI,
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in ACString aContentType,
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in ACString aContentCharset,
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in nsIDocShellLoadInfo aLoadInfo);
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const long INTERNAL_LOAD_FLAGS_NONE = 0x0;
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const long INTERNAL_LOAD_FLAGS_INHERIT_OWNER = 0x1;
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const long INTERNAL_LOAD_FLAGS_DONT_SEND_REFERRER = 0x2;
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const long INTERNAL_LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP = 0x4;
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// This flag marks the first load in this object
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// @see nsIWebNavigation::LOAD_FLAGS_FIRST_LOAD
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const long INTERNAL_LOAD_FLAGS_FIRST_LOAD = 0x8;
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const long INTERNAL_LOAD_FLAGS_BYPASS_CLASSIFIER = 0x10;
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const long INTERNAL_LOAD_FLAGS_FORCE_ALLOW_COOKIES = 0x20;
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/**
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* Loads the given URI. This method is identical to loadURI(...) except
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* that its parameter list is broken out instead of being packaged inside
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* of an nsIDocShellLoadInfo object...
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*
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* @param aURI - The URI to load.
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* @param aReferrer - Referring URI
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* @param aOwner - Owner (security principal)
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* @param aInheritOwner - Flag indicating whether the owner of the current
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* document should be inherited if aOwner is null.
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* @param aStopActiveDoc - Flag indicating whether loading the current
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* document should be stopped.
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* @param aWindowTarget - Window target for the load.
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* @param aTypeHint - A hint as to the content-type of the resulting
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* data. May be null or empty if no hint.
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* @param aPostDataStream - Post data stream (if POSTing)
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* @param aHeadersStream - Stream containing "extra" request headers...
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* @param aLoadFlags - Flags to modify load behaviour. Flags are defined
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* in nsIWebNavigation.
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* @param aSHEntry - Active Session History entry (if loading from SH)
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*/
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[noscript]void internalLoad(in nsIURI aURI,
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in nsIURI aReferrer,
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in nsISupports aOwner,
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in PRUint32 aFlags,
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in wstring aWindowTarget,
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in string aTypeHint,
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in nsIInputStream aPostDataStream,
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in nsIInputStream aHeadersStream,
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in unsigned long aLoadFlags,
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in nsISHEntry aSHEntry,
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in boolean firstParty,
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out nsIDocShell aDocShell,
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out nsIRequest aRequest);
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/**
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* Do either a history.pushState() or history.replaceState() operation,
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* depending on the value of aReplace.
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*/
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void addState(in nsIVariant aData, in DOMString aTitle,
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in DOMString aURL, in boolean aReplace);
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/**
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* Creates a DocShellLoadInfo object that you can manipulate and then pass
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* to loadURI.
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*/
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void createLoadInfo(out nsIDocShellLoadInfo loadInfo);
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/**
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* Reset state to a new content model within the current document and the document
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* viewer. Called by the document before initiating an out of band document.write().
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*/
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void prepareForNewContentModel();
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/**
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* For editors and suchlike who wish to change the URI associated with the
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* document. Note if you want to get the current URI, use the read-only
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* property on nsIWebNavigation.
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*/
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void setCurrentURI(in nsIURI aURI);
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/**
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* Notify the associated content viewer and all child docshells that they are
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* about to be hidden. If |isUnload| is true, then the document is being
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* unloaded as well.
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*
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* @param isUnload if true, fire the unload event in addition to the pagehide
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* event.
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*/
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[noscript] void firePageHideNotification(in boolean isUnload);
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/**
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* Presentation context for the currently loaded document. This may be null.
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*/
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[noscript] readonly attribute nsPresContext presContext;
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/**
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* Presentation shell for the currently loaded document. This may be null.
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*/
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[noscript] readonly attribute nsIPresShell presShell;
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/**
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* Presentation shell for the oldest document, if this docshell is
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* currently transitioning between documents.
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*/
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[noscript] readonly attribute nsIPresShell eldestPresShell;
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/**
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* Content Viewer that is currently loaded for this DocShell. This may
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* change as the underlying content changes.
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*/
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readonly attribute nsIContentViewer contentViewer;
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/**
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* This attribute allows chrome to tie in to handle DOM events that may
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* be of interest to chrome.
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*/
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attribute nsIDOMEventTarget chromeEventHandler;
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/**
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* The document charset info. This is used by a load to determine priorities
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* for charset detection etc.
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*/
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attribute nsIDocumentCharsetInfo documentCharsetInfo;
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/**
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* Whether to allow plugin execution
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*/
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attribute boolean allowPlugins;
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/**
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* Whether to allow Javascript execution
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*/
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attribute boolean allowJavascript;
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/**
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* Attribute stating if refresh based redirects can be allowed
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*/
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attribute boolean allowMetaRedirects;
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/**
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* Attribute stating if it should allow subframes (framesets/iframes) or not
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*/
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attribute boolean allowSubframes;
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/**
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* Attribute stating whether or not images should be loaded.
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*/
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attribute boolean allowImages;
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/**
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* Attribute that determines whether DNS prefetch is allowed for this subtree
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* of the docshell tree. Defaults to true. Setting this will make it take
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* effect starting with the next document loaded in the docshell.
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*/
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attribute boolean allowDNSPrefetch;
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/**
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* Get an enumerator over this docShell and its children.
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*
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* @param aItemType - Only include docShells of this type, or if typeAll,
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* include all child shells.
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* Uses types from nsIDocShellTreeItem.
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* @param aDirection - Whether to enumerate forwards or backwards.
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*/
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const long ENUMERATE_FORWARDS = 0;
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const long ENUMERATE_BACKWARDS = 1;
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nsISimpleEnumerator getDocShellEnumerator(in long aItemType,
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in long aDirection);
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/**
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* The type of application that created this window
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*/
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const unsigned long APP_TYPE_UNKNOWN = 0;
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const unsigned long APP_TYPE_MAIL = 1;
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const unsigned long APP_TYPE_EDITOR = 2;
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attribute unsigned long appType;
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/**
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* certain dochshells (like the message pane)
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* should not throw up auth dialogs
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* because it can act as a password trojan
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*/
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attribute boolean allowAuth;
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/**
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* Set/Get the document scale factor. When setting this attribute, a
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* NS_ERROR_NOT_IMPLEMENTED error may be returned by implementations
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* not supporting zoom. Implementations not supporting zoom should return
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* 1.0 all the time for the Get operation. 1.0 by the way is the default
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* of zoom. This means 100% of normal scaling or in other words normal size
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* no zoom.
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*/
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attribute float zoom;
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/*
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* The size, in CSS pixels, of the horizontal margins for the <body> of an
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* HTML document in this docshel; used to implement the marginwidth attribute
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* on HTML <frame>/<iframe> elements. A value smaller than zero indicates
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* that the attribute was not set.
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*/
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attribute long marginWidth;
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/*
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* The size, in CSS pixels, of the vertical margins for the <body> of an HTML
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* document in this docshel; used to implement the marginheight attribute on
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* HTML <frame>/<iframe> elements. A value smaller than zero indicates that
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* the attribute was not set.
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*/
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attribute long marginHeight;
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/*
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* Tells the docshell to offer focus to its tree owner.
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* This is currently only necessary for embedding chrome.
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*/
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void tabToTreeOwner(in boolean forward,
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out boolean tookFocus);
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/**
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* Current busy state for DocShell
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*/
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const unsigned long BUSY_FLAGS_NONE = 0;
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const unsigned long BUSY_FLAGS_BUSY = 1;
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const unsigned long BUSY_FLAGS_BEFORE_PAGE_LOAD = 2;
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const unsigned long BUSY_FLAGS_PAGE_LOADING = 4;
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/**
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* Load commands for the document
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*/
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const unsigned long LOAD_CMD_NORMAL = 0x1; // Normal load
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const unsigned long LOAD_CMD_RELOAD = 0x2; // Reload
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const unsigned long LOAD_CMD_HISTORY = 0x4; // Load from history
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const unsigned long LOAD_CMD_PUSHSTATE = 0x8; // History.pushState()
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readonly attribute unsigned long busyFlags;
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/*
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* attribute to access the loadtype for the document
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*/
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attribute unsigned long loadType;
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/*
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* returns true if the docshell is being destroyed, false otherwise
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*/
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boolean isBeingDestroyed();
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/*
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* Returns true if the docshell is currently executing the onLoad Handler
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*/
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readonly attribute boolean isExecutingOnLoadHandler;
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attribute nsILayoutHistoryState layoutHistoryState;
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readonly attribute boolean shouldSaveLayoutState;
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/**
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* The SecureBrowserUI object for this docshell. This is set by XUL
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* <browser> or nsWebBrowser for their root docshell.
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*/
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attribute nsISecureBrowserUI securityUI;
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/**
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* Cancel the XPCOM timers for each meta-refresh URI in this docshell,
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* and this docshell's children, recursively. The meta-refresh timers can be
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* restarted using resumeRefreshURIs(). If the timers are already suspended,
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* this has no effect.
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*/
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void suspendRefreshURIs();
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/**
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* Restart the XPCOM timers for each meta-refresh URI in this docshell,
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* and this docshell's children, recursively. If the timers are already
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* running, this has no effect.
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*/
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void resumeRefreshURIs();
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/**
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* Begin firing WebProgressListener notifications for restoring a page
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* presentation. |viewer| is the content viewer whose document we are
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* starting to load. If null, it defaults to the docshell's current content
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* viewer, creating one if necessary. |top| should be true for the toplevel
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* docshell that is being restored; it will be set to false when this method
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* is called for child docshells. This method will post an event to
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* complete the simulated load after returning to the event loop.
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*/
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void beginRestore(in nsIContentViewer viewer, in boolean top);
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/**
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* Finish firing WebProgressListener notifications and DOM events for
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* restoring a page presentation. This should only be called via
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* beginRestore().
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*/
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void finishRestore();
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/* Track whether we're currently restoring a document presentation. */
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readonly attribute boolean restoringDocument;
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/* attribute to access whether error pages are enabled */
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attribute boolean useErrorPages;
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/**
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* Keeps track of the previous SHTransaction index and the current
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* SHTransaction index at the time that the doc shell begins to load.
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* Used for ContentViewer eviction.
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*/
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readonly attribute long previousTransIndex;
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readonly attribute long loadedTransIndex;
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/**
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* Notification that entries have been removed from the beginning of a
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* nsSHistory which has this as its rootDocShell.
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*
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* @param numEntries - The number of entries removed
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*/
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void historyPurged(in long numEntries);
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/*
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* Retrieves the WebApps session storage object for the supplied domain.
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* If it doesn't already exist, a new one will be created.
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*
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* @param uri the uri of the storage object to retrieve
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* @param documentURI new storage will be created with reference to this
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* document.documentURI that will appear in storage event
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*/
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nsIDOMStorage getSessionStorageForURI(in nsIURI uri,
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in DOMString documentURI);
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/*
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* Retrieves the WebApps session storage object for the supplied principal.
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*
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* @param principal returns a storage for this principal
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* @param documentURI new storage will be created with reference to this
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* document.documentURI that will appear in storage event
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* @param create If true and a session storage object doesn't
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* already exist, a new one will be created.
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*/
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nsIDOMStorage getSessionStorageForPrincipal(in nsIPrincipal principal,
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in DOMString documentURI,
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in boolean create);
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/*
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* Add a WebApps session storage object to the docshell.
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*
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* @param principal the principal the storage object is associated with
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* @param storage the storage object to add
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*/
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void addSessionStorage(in nsIPrincipal principal, in nsIDOMStorage storage);
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/**
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* Gets the channel for the currently loaded document, if any.
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* For a new document load, this will be the channel of the previous document
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* until after OnLocationChange fires.
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*/
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readonly attribute nsIChannel currentDocumentChannel;
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/**
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* Set the offset of this child in its container.
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*/
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[noscript] void setChildOffset(in unsigned long offset);
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/**
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* Find out whether the docshell is currently in the middle of a page
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* transition. This is set just before the pagehide/unload events fire.
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*/
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readonly attribute boolean isInUnload;
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/**
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* Find out if the currently loaded document came from a suspicious channel
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* (such as a JAR channel where the server-returned content type isn't a
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* known JAR type).
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*/
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readonly attribute boolean channelIsUnsafe;
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/**
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* Disconnects this docshell's editor from its window, and stores the
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* editor data in the open document's session history entry. This
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* should be called only during page transitions.
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*/
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[noscript, notxpcom] void DetachEditorFromWindow();
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|
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/**
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* If true, this browser is not visible in the traditional sense, but
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* is actively being rendered to the screen (ex. painted on a canvas)
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* and should be treated accordingly.
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**/
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attribute boolean isOffScreenBrowser;
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/**
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* If the current content viewer isn't initialized for print preview,
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* it is replaced with one which is and to which an about:blank document
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* is loaded.
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*/
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readonly attribute nsIWebBrowserPrint printPreview;
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/**
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* Whether this docshell can execute scripts based on its hierarchy.
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* The rule of thumb here is that we disable js if this docshell or any
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* of its parents disallow scripting, unless the only reason for js being
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* disabled in this docshell is a parent docshell having a document that
|
|
* is in design mode. In that case, we explicitly allow scripting on the
|
|
* current docshell.
|
|
*/
|
|
readonly attribute boolean canExecuteScripts;
|
|
|
|
/**
|
|
* Sets whether a docshell is active. An active docshell is one that is
|
|
* visible, and thus is not a good candidate for certain optimizations
|
|
* like image frame discarding. Docshells are active unless told otherwise.
|
|
*/
|
|
attribute boolean isActive;
|
|
|
|
/**
|
|
* The ID of the docshell in the session history.
|
|
*/
|
|
readonly attribute unsigned long long historyID;
|
|
|
|
/**
|
|
* Sets whether a docshell is an app tab. An app tab docshell may behave
|
|
* differently than a non-app tab docshell in some cases, such as when
|
|
* handling link clicks. Docshells are not app tabs unless told otherwise.
|
|
*/
|
|
attribute boolean isAppTab;
|
|
};
|
|
|
|
[uuid(5f7a2184-31b6-4d67-9c75-0c17477766e2)]
|
|
interface nsIDocShell_MOZILLA_2_0_BRANCH : nsISupports {
|
|
/**
|
|
* Create a new about:blank document and content viewer.
|
|
* @param aPrincipal the principal to use for the new document.
|
|
*/
|
|
void createAboutBlankContentViewer(in nsIPrincipal aPrincipal);
|
|
};
|