339 lines
11 KiB
Plaintext
339 lines
11 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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 "nsISupports.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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#include "nsRect.h"
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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(3a5e5fa0-5364-4fbb-a87a-3f12a6b51903)]
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interface nsISHEntry : nsISupports
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{
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/**
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* A readonly property that returns the URI
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* of the current entry. The object returned is
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* of type nsIURI
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*/
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readonly attribute nsIURI URI;
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/**
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* A readonly property that returns the original URI of the current entry.
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* If an entry is the result of a redirect this attribute holds original
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* URI. The object returned is of type nsIURI
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*/
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attribute nsIURI originalURI;
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/**
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* This flag remembers whether channel has LOAD_REPLACE set.
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*/
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attribute boolean loadReplace;
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/**
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* A readonly property that returns the title
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* of the current entry. The object returned
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* is a encoded string
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*/
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readonly attribute wstring title;
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/**
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* A readonly property that returns a boolean
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* flag which indicates if the entry was created as a
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* result of a subframe navigation. This flag will be
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* 'false' when a frameset page is visited for
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* the first time. This flag will be 'true' for all
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* history entries created as a result of a subframe
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* navigation.
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*/
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readonly attribute boolean isSubFrame;
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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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/** Referrer policy, holding one of the values (REFERRER_POLICY_*)
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* defined in nsIHttpChannel.
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*/
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attribute unsigned long referrerPolicy;
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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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* True if this SHEntry corresponds to a document created by a srcdoc iframe.
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* Set when a value is assigned to srcdocData.
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*/
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readonly attribute boolean isSrcdocEntry;
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/**
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* Contents of the srcdoc attribute in a srcdoc iframe to be loaded instead
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* of the URI. Similar to a Data URI, this information is needed to
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* recreate the document at a later stage.
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* Setting this sets isSrcdocEntry to true
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*/
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attribute AString srcdocData;
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/**
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* When isSrcdocEntry is true, this contains the baseURI of the srcdoc
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* document for use in situations where it cannot otherwise be determined,
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* for example with view-source.
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*/
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attribute nsIURI baseURI;
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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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