True if the docshell allows its content to be handled by a content listener other than the docshell itself, including the external helper app service, and false otherwise. Defaults to true.
True if new child docshells should allow content retargeting. Setting allowContentRetargeting also overwrites this value.
Attribute that determines whether DNS prefetch is allowed for this subtree of the docshell tree. Defaults to true. Setting this will make it take effect starting with the next document loaded in the docshell.
Attribute stating whether or not images should be loaded.
Attribute stating whether or not media (audio/video) should be loaded.
Attribute stating if refresh based redirects can be allowed
Whether to allow plugin execution
Attribute stating if it should allow subframes (framesets/iframes) or not
Attribute that determines whether window control (move/resize) is allowed.
Readonly asyncTrue iff asynchronous panning and zooming is enabled for this docshell.
Readonly browserThe browser child for this docshell.
Readonly browsingBrowsingContext associated with the DocShell.
Readonly busyReadonly charsetUpon getting, returns the canonical encoding label of the document currently loaded into this docshell.
Readonly childThe current number of DocShells which are immediate children of the this object.
@deprecated: Prefer using BrowsingContext::Children(), as this count will
not include out-of-process iframes.
This attribute allows chrome to tie in to handle DOM events that may be of interest to chrome.
Readonly contentContent Viewer that is currently loaded for this DocShell. This may change as the underlying content changes.
Whether CSS error reporting is enabled.
Readonly currentGets the channel for the currently loaded document, if any. For a new document load, this will be the channel of the previous document until after OnLocationChange fires.
Sets/gets the current scroll restoration mode.
https://html.spec.whatwg.org/#dom-history-scroll-restoration
This allows chrome to set a custom User agent on a specific docshell
Default load flags (as defined in nsIRequest) that will be set on all requests made by this docShell and propagated to all child docShells and to nsILoadGroup::defaultLoadFlags for the docShell's loadGroup. Default is no flags. Once set, only future requests initiated by the docShell are affected, so in general, these flags should be set before the docShell loads any content.
Readonly domReturns the DOM outer window for the content viewer.
Readonly editableReadonly editingThe editing session for this docshell.
Readonly eldestPresentation shell for the oldest document, if this docshell is currently transitioning between documents.
Readonly failedThe channel that failed to load and resulted in an error page. May be null. Relevant only to error pages.
Readonly hasthis docShell is editable
Readonly hasThis attribute determines whether a document which is not about:blank has already be loaded by this docShell.
Readonly historyIDThe ID of the docshell in the session history.
Readonly isReturn whether this docshell is "attempting to navigate" in the sense that's relevant to document.open.
Readonly isReturns true if the docshell is currently executing the onLoad Handler
Readonly isReturns true if the current load is a forced reload, e.g. started by holding shift whilst triggering reload.
Readonly isFind out whether the docshell is currently in the middle of a page transition. This is set just before the pagehide/unload events fire.
Readonly isWhether 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
Readonly isReturns true if this docshell is the top level content docshell.
Readonly itemThe type this item is.
Attribute to access the loadtype for the document. LoadType Enum is defined in nsDocShellLoadTypes.h
Readonly loadURIDelegateObject used to delegate URI loading to an upper context. Currently only set for GeckoView to allow handling of load requests at the application level.
Readonly loadedReadonly mayIndicates whether the UI may enable the character encoding menu. The UI must disable the menu when this property is false.
Readonly messageThe message manager for this docshell. This does not throw, but can return null if the docshell has no message manager.
This allows chrome to override the default choice of whether the
tag is respected in a specific docshell. Possible values are listed above.name of the DocShellTreeItem
Readonly outerGet the id of the outer window that is or will be in this docshell.
Readonly parentParent DocShell.
@deprecated: Use BrowsingContext::GetParent() instead.
(NOTE: BrowsingContext::GetParent() will not cross isolation boundaries)
Readonly presPresentation context for the currently loaded document. This may be null.
Readonly presPresentation shell for the currently loaded document. This may be null.
Readonly previousKeeps track of the previous nsISHEntry index and the current nsISHEntry index at the time that the doc shell begins to load. Used for ContentViewer eviction.
Whether the docShell records profile timeline markers at the moment
Readonly restoringTrack whether we're currently restoring a document presentation.
Readonly rootReturns the root DocShellTreeItem. This is a convience equivalent to getting the parent and its parent until there isn't a parent.
@deprecated: Use BrowsingContext::Top() instead.
(NOTE: BrowsingContext::Top() will not cross isolation boundaries)
Readonly sameThis getter returns the same thing parent does however if the parent is of a different itemType, or if the parent is an
certain docshells (like the message pane) should not throw up auth dialogs because it can act as a password trojan