mirror of
https://github.com/mozilla/gecko-dev.git
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a26eafe5c3
This patch removes the old docshell timeline and timeline markers codebase and replaces them with equivalent Gecko profiler marker. This patch also fixes Bug 1834143, which is a subset of 1421651.
Differential Revision: https://phabricator.services.mozilla.com/D184217
773 lines
25 KiB
Plaintext
773 lines
25 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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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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#include "domstubs.idl"
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#include "nsIDocShellTreeItem.idl"
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#include "nsIRequest.idl"
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%{ C++
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#include "js/TypeDecls.h"
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#include "mozilla/Maybe.h"
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#include "mozilla/NotNull.h"
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#include "mozilla/UniquePtr.h"
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#include "nsCOMPtr.h"
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#include "nsIURI.h"
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class nsCommandManager;
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class nsPresContext;
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class nsDocShellLoadState;
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namespace mozilla {
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class Encoding;
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class HTMLEditor;
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class PresShell;
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namespace dom {
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class BrowsingContext;
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class ClientSource;
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} // namespace dom
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}
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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 nsCommandManager(nsCommandManager);
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[ptr] native PresShell(mozilla::PresShell);
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[ref] native MaybeURI(mozilla::Maybe<nsCOMPtr<nsIURI>>);
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[ref] native Encoding(const mozilla::Encoding*);
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native UniqueClientSource(mozilla::UniquePtr<mozilla::dom::ClientSource>);
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interface nsIURI;
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interface nsIChannel;
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interface nsIContentViewer;
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interface nsIContentSecurityPolicy;
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interface nsIEditor;
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interface nsIEditingSession;
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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 nsIScriptGlobalObject;
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interface nsIStructuredCloneContainer;
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interface nsIDOMStorage;
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interface nsIPrincipal;
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interface nsIPrivacyTransitionObserver;
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interface nsIReflowObserver;
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interface nsIScrollObserver;
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interface nsIRemoteTab;
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interface nsIBrowserChild;
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interface nsICommandParams;
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interface nsILoadURIDelegate;
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native BrowserChildRef(already_AddRefed<nsIBrowserChild>);
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native nsDocShellLoadStatePtr(nsDocShellLoadState*);
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webidl BrowsingContext;
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webidl ContentFrameMessageManager;
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webidl EventTarget;
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webidl Document;
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[scriptable, builtinclass, uuid(049234fe-da10-478b-bc5d-bc6f9a1ba63d)]
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interface nsIDocShell : nsIDocShellTreeItem
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{
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void setCancelContentJSEpoch(in long aEpoch);
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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 aLoadState This is the extended load info for this load.
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* @param aSetNavigating If we should set isNavigating to true while initiating
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* the load.
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*/
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[noscript]void loadURI(in nsDocShellLoadStatePtr aLoadState, in boolean aSetNavigating);
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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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[implicit_jscontext]
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void addState(in jsval aData, in AString aTitle,
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in AString aURL, in boolean aReplace);
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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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* Helper for the session store to change the URI associated with the
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* document.
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*/
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void setCurrentURIForSessionStore(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 and all dynamic subframe history entries are removed as well.
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*
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* @param isUnload
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* True to fire the unload event in addition to the pagehide event,
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* and remove all dynamic subframe history entries.
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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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[notxpcom,nostdcall] 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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[notxpcom,nostdcall] readonly attribute PresShell 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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[notxpcom,nostdcall] readonly attribute PresShell 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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[infallible] readonly attribute nsIContentViewer contentViewer;
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/**
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* Get the id of the outer window that is or will be in this docshell.
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*/
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[infallible] readonly attribute unsigned long long outerWindowID;
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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 EventTarget chromeEventHandler;
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/**
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* This allows chrome to set a custom User agent on a specific docshell
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*/
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attribute AString customUserAgent;
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/**
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* Whether CSS error reporting is enabled.
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*/
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attribute boolean cssErrorReportingEnabled;
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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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* 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 stating whether or not media (audio/video) should be loaded.
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*/
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[infallible] attribute boolean allowMedia;
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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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* Attribute that determines whether window control (move/resize) is allowed.
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*/
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attribute boolean allowWindowControl;
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/**
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* True if the docshell allows its content to be handled by a content listener
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* other than the docshell itself, including the external helper app service,
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* and false otherwise. Defaults to true.
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*/
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[infallible] attribute boolean allowContentRetargeting;
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/**
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* True if new child docshells should allow content retargeting.
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* Setting allowContentRetargeting also overwrites this value.
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*/
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[infallible] attribute boolean allowContentRetargetingOnChildren;
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/**
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* Get an array of 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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cenum DocShellEnumeratorDirection : 8 {
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ENUMERATE_FORWARDS = 0,
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ENUMERATE_BACKWARDS = 1
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};
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Array<nsIDocShell> getAllDocShellsInSubtree(in long aItemType,
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in nsIDocShell_DocShellEnumeratorDirection 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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* DO NOT DELETE, see bug 176166. For firefox, this value will always be
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* UNKNOWN. However, it is used heavily in Thunderbird/comm-central and we
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* don't really have a great replacement at the moment, so we'll just leave it
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* here.
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*/
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cenum AppType : 8 {
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APP_TYPE_UNKNOWN = 0,
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APP_TYPE_MAIL = 1,
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APP_TYPE_EDITOR = 2
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};
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[infallible] attribute nsIDocShell_AppType appType;
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/**
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* certain docshells (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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* 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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* If forDocumentNavigation is true, then document navigation should be
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* performed, where only the root of documents are selected. Otherwise, the
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* next element in the parent should be returned. Returns true if focus was
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* successfully taken by the tree owner.
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*/
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bool tabToTreeOwner(in boolean forward, in boolean forDocumentNavigation);
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/**
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* Current busy state for DocShell
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*/
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cenum BusyFlags : 8 {
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BUSY_FLAGS_NONE = 0,
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BUSY_FLAGS_BUSY = 1,
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BUSY_FLAGS_BEFORE_PAGE_LOAD = 2,
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BUSY_FLAGS_PAGE_LOADING = 4,
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};
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[infallible] readonly attribute nsIDocShell_BusyFlags busyFlags;
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/**
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* Load commands for the document
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*/
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cenum LoadCommand : 8 {
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LOAD_CMD_NORMAL = 0x1, // Normal load
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LOAD_CMD_RELOAD = 0x2, // Reload
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LOAD_CMD_HISTORY = 0x4, // Load from history
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LOAD_CMD_PUSHSTATE = 0x8, // History.pushState()
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};
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/*
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* Attribute to access the loadtype for the document. LoadType Enum is
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* defined in nsDocShellLoadTypes.h
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*/
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[infallible] attribute unsigned long loadType;
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/*
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* Default load flags (as defined in nsIRequest) that will be set on all
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* requests made by this docShell and propagated to all child docShells and
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* to nsILoadGroup::defaultLoadFlags for the docShell's loadGroup.
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* Default is no flags. Once set, only future requests initiated by the
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* docShell are affected, so in general, these flags should be set before
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* the docShell loads any content.
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*/
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attribute nsLoadFlags defaultLoadFlags;
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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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/**
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* Object used to delegate URI loading to an upper context.
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* Currently only set for GeckoView to allow handling of load requests
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* at the application level.
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*/
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readonly attribute nsILoadURIDelegate loadURIDelegate;
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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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void clearCachedUserAgent();
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void clearCachedPlatform();
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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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* Display a load error in a frame while keeping that frame's currentURI
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* pointing correctly to the page where the error ocurred, rather than to
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* the error document page. You must provide either the aURI or aURL parameter.
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*
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* @param aError The error code to be displayed
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* @param aURI nsIURI of the page where the error happened
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* @param aURL wstring of the page where the error happened
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* @param aFailedChannel The channel related to this error
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*
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* Returns whether or not we displayed an error page (note: will always
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* return false if in-content error pages are disabled!)
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*/
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boolean displayLoadError(in nsresult aError,
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in nsIURI aURI,
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in wstring aURL,
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[optional] in nsIChannel aFailedChannel);
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/**
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* The channel that failed to load and resulted in an error page.
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* May be null. Relevant only to error pages.
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*/
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readonly attribute nsIChannel failedChannel;
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/**
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* Keeps track of the previous nsISHEntry index and the current
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* nsISHEntry 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 previousEntryIndex;
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readonly attribute long loadedEntryIndex;
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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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* 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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* 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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[infallible] readonly attribute boolean isInUnload;
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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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* Propagated to the print preview document viewer. Must only be called on
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* a document viewer that has been initialized for print preview.
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*/
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void exitPrintPreview();
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/**
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* The ID of the docshell in the session history.
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*/
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readonly attribute nsIDRef historyID;
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/**
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* Helper method for accessing this value from C++
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*/
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[noscript, notxpcom] nsIDRef HistoryID();
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/**
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* Create a new about:blank document and content viewer.
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* @param aPrincipal the principal to use for the new document.
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* @param aPartitionedPrincipal the partitioned principal to use for the new
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* document.
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* @param aCsp the CSP to use for the new document.
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*/
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void createAboutBlankContentViewer(in nsIPrincipal aPrincipal,
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in nsIPrincipal aPartitionedPrincipal,
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[optional] in nsIContentSecurityPolicy aCSP);
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/**
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* Upon getting, returns the canonical encoding label of the document
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* currently loaded into this docshell.
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*/
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readonly attribute ACString charset;
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void forceEncodingDetection();
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/**
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* In a child docshell, this is the charset of the parent docshell
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*/
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[noscript, notxpcom, nostdcall] void setParentCharset(
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in Encoding parentCharset,
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in int32_t parentCharsetSource,
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in nsIPrincipal parentCharsetPrincipal);
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[noscript, notxpcom, nostdcall] void getParentCharset(
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out Encoding parentCharset,
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out int32_t parentCharsetSource,
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out nsIPrincipal parentCharsetPrincipal);
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/**
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* Return a DOMHighResTimeStamp representing the number of
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* milliseconds from an arbitrary point in time. The reference
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* point is shared by all DocShells and is also used by timestamps
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* on markers.
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*/
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DOMHighResTimeStamp now();
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/**
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* Add an observer to the list of parties to be notified when this docshell's
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* private browsing status is changed. |obs| must support weak references.
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*/
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void addWeakPrivacyTransitionObserver(in nsIPrivacyTransitionObserver obs);
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/**
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* Add an observer to the list of parties to be notified when reflows are
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* occurring. |obs| must support weak references.
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*/
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void addWeakReflowObserver(in nsIReflowObserver obs);
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/**
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* Remove an observer from the list of parties to be notified about reflows.
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*/
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void removeWeakReflowObserver(in nsIReflowObserver obs);
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/**
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* Notify all attached observers that a reflow has just occurred.
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*
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* @param interruptible if true, the reflow was interruptible.
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* @param start timestamp when reflow started, in milliseconds since
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* navigationStart (accurate to 1/1000 of a ms)
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* @param end timestamp when reflow ended, in milliseconds since
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* navigationStart (accurate to 1/1000 of a ms)
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*/
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[noscript] void notifyReflowObservers(in bool interruptible,
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in DOMHighResTimeStamp start,
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in DOMHighResTimeStamp end);
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/**
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* Add an observer to the list of parties to be notified when scroll position
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* of some elements is changed.
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*/
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[noscript] void addWeakScrollObserver(in nsIScrollObserver obs);
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/**
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* Add an observer to the list of parties to be notified when scroll position
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* of some elements is changed.
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*/
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[noscript] void removeWeakScrollObserver(in nsIScrollObserver obs);
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/**
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* Notify all attached observers that the scroll position of some element
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* has changed.
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*/
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[noscript] void notifyScrollObservers();
|
|
|
|
/**
|
|
* Returns true if this docshell is the top level content docshell.
|
|
*/
|
|
[infallible] readonly attribute boolean isTopLevelContentDocShell;
|
|
|
|
/**
|
|
* Like nsIDocShellTreeItem::GetSameTypeParent, except this ignores <iframe
|
|
* mozbrowser> boundaries. Which no longer exist.
|
|
*
|
|
* @deprecated: Use `BrowsingContext::GetParent()` in the future.
|
|
*/
|
|
nsIDocShell getSameTypeInProcessParentIgnoreBrowserBoundaries();
|
|
|
|
/**
|
|
* True iff asynchronous panning and zooming is enabled for this
|
|
* docshell.
|
|
*/
|
|
readonly attribute bool asyncPanZoomEnabled;
|
|
|
|
/**
|
|
* Are plugins allowed in the current document loaded in this docshell ?
|
|
* (if there is one). This depends on whether plugins are allowed by this
|
|
* docshell itself or if the document is sandboxed and hence plugins should
|
|
* not be allowed.
|
|
*/
|
|
[noscript, notxpcom] bool pluginsAllowedInCurrentDoc();
|
|
|
|
/**
|
|
* Indicates whether the UI may enable the character encoding menu. The UI
|
|
* must disable the menu when this property is false.
|
|
*/
|
|
[infallible] readonly attribute boolean mayEnableCharacterEncodingMenu;
|
|
|
|
attribute nsIEditor editor;
|
|
readonly attribute boolean editable; /* this docShell is editable */
|
|
readonly attribute boolean hasEditingSession; /* this docShell has an editing session */
|
|
|
|
/**
|
|
* Make this docShell editable, setting a flag that causes
|
|
* an editor to get created, either immediately, or after
|
|
* a url has been loaded.
|
|
* @param inWaitForUriLoad true to wait for a URI before
|
|
* creating the editor.
|
|
*/
|
|
void makeEditable(in boolean inWaitForUriLoad);
|
|
|
|
/**
|
|
* Returns false for mLSHE, true for mOSHE
|
|
*/
|
|
boolean getCurrentSHEntry(out nsISHEntry aEntry);
|
|
|
|
/**
|
|
* Cherry picked parts of nsIController.
|
|
* They are here, because we want to call these functions
|
|
* from JS.
|
|
*/
|
|
boolean isCommandEnabled(in string command);
|
|
[can_run_script]
|
|
void doCommand(in string command);
|
|
[can_run_script]
|
|
void doCommandWithParams(in string command, in nsICommandParams aParams);
|
|
|
|
/**
|
|
* Invisible DocShell are dummy construct to simulate DOM windows
|
|
* without any actual visual representation. They have to be marked
|
|
* at construction time, to avoid any painting activity.
|
|
*/
|
|
[noscript, notxpcom] bool IsInvisible();
|
|
[noscript, notxpcom] void SetInvisible(in bool aIsInvisibleDocshell);
|
|
|
|
/**
|
|
* Get the script global for the document in this docshell.
|
|
*/
|
|
[noscript,notxpcom,nostdcall] nsIScriptGlobalObject GetScriptGlobalObject();
|
|
|
|
[noscript,notxpcom,nostdcall] Document getExtantDocument();
|
|
|
|
/**
|
|
* This attribute determines whether a document which is not about:blank has
|
|
* already be loaded by this docShell.
|
|
*/
|
|
[infallible] readonly attribute boolean hasLoadedNonBlankURI;
|
|
|
|
/**
|
|
* Allow usage of -moz-window-dragging:drag for content docshells.
|
|
* True for top level chrome docshells. Throws if set to false with
|
|
* top level chrome docshell.
|
|
*/
|
|
attribute boolean windowDraggingAllowed;
|
|
|
|
/**
|
|
* Sets/gets the current scroll restoration mode.
|
|
* @see https://html.spec.whatwg.org/#dom-history-scroll-restoration
|
|
*/
|
|
attribute boolean currentScrollRestorationIsManual;
|
|
|
|
/**
|
|
* Setter and getter for the origin attributes living on this docshell.
|
|
*/
|
|
[implicit_jscontext]
|
|
jsval getOriginAttributes();
|
|
|
|
[implicit_jscontext]
|
|
void setOriginAttributes(in jsval aAttrs);
|
|
|
|
/**
|
|
* The editing session for this docshell.
|
|
*/
|
|
readonly attribute nsIEditingSession editingSession;
|
|
|
|
/**
|
|
* The browser child for this docshell.
|
|
*/
|
|
[binaryname(ScriptableBrowserChild)] readonly attribute nsIBrowserChild browserChild;
|
|
[noscript,notxpcom,nostdcall] BrowserChildRef GetBrowserChild();
|
|
|
|
[noscript,nostdcall,notxpcom] nsCommandManager GetCommandManager();
|
|
|
|
cenum MetaViewportOverride: 8 {
|
|
/**
|
|
* Override platform/pref default behaviour and force-disable support for
|
|
* <meta name="viewport">.
|
|
*/
|
|
META_VIEWPORT_OVERRIDE_DISABLED = 0,
|
|
/**
|
|
* Override platform/pref default behaviour and force-enable support for
|
|
* <meta name="viewport">.
|
|
*/
|
|
META_VIEWPORT_OVERRIDE_ENABLED = 1,
|
|
/**
|
|
* Don't override the platform/pref default behaviour for support for
|
|
* <meta name="viewport">.
|
|
*/
|
|
META_VIEWPORT_OVERRIDE_NONE = 2,
|
|
};
|
|
|
|
/**
|
|
* This allows chrome to override the default choice of whether the
|
|
* <meta name="viewport"> tag is respected in a specific docshell.
|
|
* Possible values are listed above.
|
|
*/
|
|
[infallible, setter_can_run_script] attribute nsIDocShell_MetaViewportOverride metaViewportOverride;
|
|
|
|
/**
|
|
* Attribute that determines whether tracking protection is enabled.
|
|
*/
|
|
attribute boolean useTrackingProtection;
|
|
|
|
/**
|
|
* Fire a dummy location change event asynchronously.
|
|
*/
|
|
[noscript] void dispatchLocationChangeEvent();
|
|
|
|
|
|
/**
|
|
* Start delayed autoplay media which are in the current document.
|
|
*/
|
|
[noscript] void startDelayedAutoplayMediaComponents();
|
|
|
|
/**
|
|
* Take ownership of the ClientSource representing an initial about:blank
|
|
* document that was never needed. As an optimization we avoid creating
|
|
* this document if no code calls GetDocument(), but we still need a
|
|
* ClientSource object to represent the about:blank window. This may return
|
|
* nullptr; for example if the docshell has created a real window and document
|
|
* already.
|
|
*/
|
|
[noscript, nostdcall, notxpcom]
|
|
UniqueClientSource TakeInitialClientSource();
|
|
|
|
void setColorMatrix(in Array<float> aMatrix);
|
|
|
|
/**
|
|
* Returns true if the current load is a forced reload,
|
|
* e.g. started by holding shift whilst triggering reload.
|
|
*/
|
|
readonly attribute bool isForceReloading;
|
|
|
|
Array<float> getColorMatrix();
|
|
|
|
%{C++
|
|
/**
|
|
* These methods call nsDocShell::GetHTMLEditorInternal() and
|
|
* nsDocShell::SetHTMLEditorInternal() with static_cast.
|
|
*/
|
|
mozilla::HTMLEditor* GetHTMLEditor();
|
|
nsresult SetHTMLEditor(mozilla::HTMLEditor* aHTMLEditor);
|
|
%}
|
|
|
|
/**
|
|
* The message manager for this docshell. This does not throw, but
|
|
* can return null if the docshell has no message manager.
|
|
*/
|
|
[infallible] readonly attribute ContentFrameMessageManager messageManager;
|
|
|
|
/**
|
|
* This returns a Promise which resolves to a boolean. True when the
|
|
* document has Tracking Content that has been blocked from loading, false
|
|
* otherwise.
|
|
*/
|
|
Promise getHasTrackingContentBlocked();
|
|
|
|
/**
|
|
* Return whether this docshell is "attempting to navigate" in the
|
|
* sense that's relevant to document.open.
|
|
*/
|
|
[notxpcom, nostdcall] readonly attribute boolean isAttemptingToNavigate;
|
|
|
|
/*
|
|
* Whether or not this docshell is executing a nsIWebNavigation navigation
|
|
* method.
|
|
*
|
|
* This will be true when the following methods are executing:
|
|
* nsIWebNavigation.binaryLoadURI
|
|
* nsIWebNavigation.goBack
|
|
* nsIWebNavigation.goForward
|
|
* nsIWebNavigation.gotoIndex
|
|
* nsIWebNavigation.loadURI
|
|
*/
|
|
[infallible] readonly attribute boolean isNavigating;
|
|
|
|
/**
|
|
* @see nsISHEntry synchronizeLayoutHistoryState().
|
|
*/
|
|
void synchronizeLayoutHistoryState();
|
|
|
|
/**
|
|
* This attempts to save any applicable layout history state (like
|
|
* scroll position) in the nsISHEntry. This is normally done
|
|
* automatically when transitioning from page to page in the
|
|
* same process. We expose this function to support transitioning
|
|
* from page to page across processes as a workaround for bug 1630234
|
|
* until session history state is moved into the parent process.
|
|
*/
|
|
void persistLayoutHistoryState();
|
|
};
|