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308 lines
10 KiB
Plaintext
308 lines
10 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Radha Kulkarni <radha@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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/**
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* The interface to nsISHentry. Each document or subframe in
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* Session History will have a nsISHEntry associated with it which will
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* hold all information required to recreate the document from history
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*
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*/
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#include "nsIHistoryEntry.idl"
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interface nsILayoutHistoryState;
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interface nsIContentViewer;
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interface nsIURI;
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interface nsIInputStream;
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interface nsIDocShellTreeItem;
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interface nsISupportsArray;
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interface nsIStructuredCloneContainer;
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interface nsIBFCacheEntry;
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%{C++
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struct nsIntRect;
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class nsDocShellEditorData;
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class nsSHEntryShared;
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%}
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[ref] native nsIntRect(nsIntRect);
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[ptr] native nsDocShellEditorDataPtr(nsDocShellEditorData);
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[ptr] native nsSHEntryShared(nsSHEntryShared);
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[scriptable, uuid(6443FD72-A50F-4B8B-BB82-BB1FA04CB15D)]
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interface nsISHEntry : nsIHistoryEntry
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{
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/** URI for the document */
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void setURI(in nsIURI aURI);
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/** Referrer URI */
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attribute nsIURI referrerURI;
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/** Content viewer, for fast restoration of presentation */
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attribute nsIContentViewer contentViewer;
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/** Whether the content viewer is marked "sticky" */
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attribute boolean sticky;
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/** Saved state of the global window object */
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attribute nsISupports windowState;
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/**
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* Saved position and dimensions of the content viewer; we must adjust the
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* root view's widget accordingly if this has changed when the presentation
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* is restored.
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*/
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[noscript] void getViewerBounds(in nsIntRect bounds);
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[noscript] void setViewerBounds([const] in nsIntRect bounds);
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/**
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* Saved child docshells corresponding to contentViewer. The child shells
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* are restored as children of the parent docshell, in this order, when the
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* parent docshell restores a saved presentation.
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*/
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/** Append a child shell to the end of our list. */
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void addChildShell(in nsIDocShellTreeItem shell);
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/**
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* Get the child shell at |index|; returns null if |index| is out of bounds.
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*/
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nsIDocShellTreeItem childShellAt(in long index);
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/**
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* Clear the child shell list.
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*/
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void clearChildShells();
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/** Saved refresh URI list for the content viewer */
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attribute nsISupportsArray refreshURIList;
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/**
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* Ensure that the cached presentation members are self-consistent.
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* If either |contentViewer| or |windowState| are null, then all of the
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* following members are cleared/reset:
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* contentViewer, sticky, windowState, viewerBounds, childShells,
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* refreshURIList.
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*/
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void syncPresentationState();
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/** Title for the document */
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void setTitle(in AString aTitle);
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/** Post Data for the document */
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attribute nsIInputStream postData;
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/** LayoutHistoryState for scroll position and form values */
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attribute nsILayoutHistoryState layoutHistoryState;
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/** parent of this entry */
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attribute nsISHEntry parent;
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/**
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* The loadType for this entry. This is typically loadHistory except
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* when reload is pressed, it has the appropriate reload flag
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*/
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attribute unsigned long loadType;
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/**
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* An ID to help identify this entry from others during
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* subframe navigation
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*/
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attribute unsigned long ID;
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/** attribute to set and get the cache key for the entry */
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attribute nsISupports cacheKey;
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/** attribute to indicate whether layoutHistoryState should be saved */
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attribute boolean saveLayoutStateFlag;
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/** attribute to indicate whether the page is already expired in cache */
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attribute boolean expirationStatus;
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/**
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* attribute to indicate the content-type of the document that this
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* is a session history entry for
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*/
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attribute ACString contentType;
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/**
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* If we created this SHEntry via history.pushState or modified it via
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* history.replaceState, and if we changed the SHEntry's URI via the
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* push/replaceState call, and if the SHEntry's new URI differs from its
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* old URI by more than just the hash, then we set this field to true.
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*
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* Additionally, if this SHEntry was created by calling pushState from a
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* SHEntry whose URI was modified, this SHEntry's URIWasModified field is
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* true.
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*
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*/
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attribute boolean URIWasModified;
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/** Set/Get scrollers' positon in anchored pages */
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void setScrollPosition(in long x, in long y);
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void getScrollPosition(out long x, out long y);
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/** Additional ways to create an entry */
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[noscript] void create(in nsIURI URI, in AString title,
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in nsIInputStream inputStream,
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in nsILayoutHistoryState layoutHistoryState,
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in nsISupports cacheKey, in ACString contentType,
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in nsISupports owner,
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in unsigned long long docshellID,
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in boolean dynamicCreation);
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nsISHEntry clone();
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/** Attribute that indicates if this entry is for a subframe navigation */
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void setIsSubFrame(in boolean aFlag);
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/** Return any content viewer present in or below this node in the
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nsSHEntry tree. This will differ from contentViewer in the case
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where a child nsSHEntry has the content viewer for this tree. */
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nsIContentViewer getAnyContentViewer(out nsISHEntry ownerEntry);
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/**
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* Get the owner, if any, that was associated with the channel
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* that the document that was loaded to create this history entry
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* came from.
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*/
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attribute nsISupports owner;
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/**
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* Get/set data associated with this history state via a pushState() call,
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* serialized using structured clone.
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**/
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attribute nsIStructuredCloneContainer stateData;
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/**
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* Gets the owning pointer to the editor data assosicated with
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* this shistory entry. This forgets its pointer, so free it when
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* you're done.
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*/
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[noscript, notxpcom] nsDocShellEditorDataPtr forgetEditorData();
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/**
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* Sets the owning pointer to the editor data assosicated with
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* this shistory entry. Unless forgetEditorData() is called, this
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* shentry will destroy the editor data when it's destroyed.
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*/
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[noscript, notxpcom] void setEditorData(in nsDocShellEditorDataPtr aData);
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/** Returns true if this shistory entry is storing a detached editor. */
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[noscript, notxpcom] boolean hasDetachedEditor();
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/**
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* Returns true if the related docshell was added because of
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* dynamic addition of an iframe/frame.
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*/
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boolean isDynamicallyAdded();
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/**
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* Returns true if any of the child entries returns true
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* when isDynamicallyAdded is called on it.
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*/
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boolean hasDynamicallyAddedChild();
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/**
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* The history ID of the docshell.
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*/
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attribute unsigned long long docshellID;
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readonly attribute nsIBFCacheEntry BFCacheEntry;
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/**
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* Does this SHEntry point to the given BFCache entry? If so, evicting
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* the BFCache entry will evict the SHEntry, since the two entries
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* correspond to the same document.
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*/
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[notxpcom, noscript]
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boolean hasBFCacheEntry(in nsIBFCacheEntry aEntry);
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/**
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* Adopt aEntry's BFCacheEntry, so now both this and aEntry point to
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* aEntry's BFCacheEntry.
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*/
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void adoptBFCacheEntry(in nsISHEntry aEntry);
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/**
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* Create a new BFCache entry and drop our reference to our old one. This
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* call unlinks this SHEntry from any other SHEntries for its document.
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*/
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void abandonBFCacheEntry();
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/**
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* Does this SHEntry correspond to the same document as aEntry? This is
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* true iff the two SHEntries have the same BFCacheEntry. So in
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* particular, sharesDocumentWith(aEntry) is guaranteed to return true if
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* it's preceeded by a call to adoptBFCacheEntry(aEntry).
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*/
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boolean sharesDocumentWith(in nsISHEntry aEntry);
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};
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[scriptable, uuid(bb66ac35-253b-471f-a317-3ece940f04c5)]
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interface nsISHEntryInternal : nsISupports
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{
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[notxpcom] void RemoveFromBFCacheAsync();
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[notxpcom] void RemoveFromBFCacheSync();
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/**
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* A number that is assigned by the sHistory when the entry is activated
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*/
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attribute unsigned long lastTouched;
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/**
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* Some state, particularly that related to the back/forward cache, is
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* shared between SHEntries which correspond to the same document. This
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* method gets a pointer to that shared state.
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*
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* This shared state is the SHEntry's BFCacheEntry. So
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* hasBFCacheEntry(getSharedState()) is guaranteed to return true.
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*/
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[noscript, notxpcom]
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nsSHEntryShared getSharedState();
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};
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%{ C++
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// {BFD1A791-AD9F-11d3-BDC7-0050040A9B44}
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#define NS_SHENTRY_CID \
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{0xbfd1a791, 0xad9f, 0x11d3, {0xbd, 0xc7, 0x0, 0x50, 0x4, 0xa, 0x9b, 0x44}}
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#define NS_SHENTRY_CONTRACTID \
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"@mozilla.org/browser/session-history-entry;1"
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%}
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