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gecko-dev/docshell/base/nsIDocShell.idl

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/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "domstubs.idl"
#include "nsIDocShellTreeItem.idl"
#include "nsIRequest.idl"
%{ C++
#include "js/TypeDecls.h"
#include "mozilla/Maybe.h"
#include "mozilla/NotNull.h"
#include "mozilla/UniquePtr.h"
#include "nsCOMPtr.h"
#include "nsIURI.h"
class nsCommandManager;
class nsPresContext;
class nsDocShellLoadState;
namespace mozilla {
class Encoding;
class HTMLEditor;
class PresShell;
namespace dom {
class BrowsingContext;
class ClientSource;
} // namespace dom
}
%}
/**
* The nsIDocShell interface.
*/
[ptr] native nsPresContext(nsPresContext);
[ptr] native nsCommandManager(nsCommandManager);
[ptr] native PresShell(mozilla::PresShell);
[ref] native MaybeURI(mozilla::Maybe<nsCOMPtr<nsIURI>>);
[ref] native Encoding(const mozilla::Encoding*);
native UniqueClientSource(mozilla::UniquePtr<mozilla::dom::ClientSource>);
interface nsIURI;
interface nsIChannel;
interface nsIContentViewer;
interface nsIContentSecurityPolicy;
interface nsIDocShellLoadInfo;
interface nsIEditor;
interface nsIEditingSession;
interface nsIInputStream;
interface nsIRequest;
interface nsISHEntry;
interface nsILayoutHistoryState;
interface nsISecureBrowserUI;
interface nsIScriptGlobalObject;
interface nsIStructuredCloneContainer;
interface nsIDOMStorage;
interface nsIPrincipal;
interface nsIWebBrowserPrint;
interface nsIPrivacyTransitionObserver;
interface nsIReflowObserver;
interface nsIScrollObserver;
interface nsIRemoteTab;
interface nsIBrowserChild;
interface nsICommandParams;
interface nsILoadURIDelegate;
native BrowserChildRef(already_AddRefed<nsIBrowserChild>);
native nsDocShellLoadStatePtr(nsDocShellLoadState*);
webidl BrowsingContext;
webidl ContentFrameMessageManager;
webidl EventTarget;
webidl Document;
[scriptable, builtinclass, uuid(049234fe-da10-478b-bc5d-bc6f9a1ba63d)]
interface nsIDocShell : nsIDocShellTreeItem
{
void setCancelContentJSEpoch(in long aEpoch);
/**
* Loads a given URI. This will give priority to loading the requested URI
* in the object implementing this interface. If it can't be loaded here
* however, the URL dispatcher will go through its normal process of content
* loading.
*
* @param aLoadState This is the extended load info for this load.
* @param aSetNavigating If we should set isNavigating to true while initiating
* the load.
*/
[noscript]void loadURI(in nsDocShellLoadStatePtr aLoadState, in boolean aSetNavigating);
/**
* Do either a history.pushState() or history.replaceState() operation,
* depending on the value of aReplace.
*/
[implicit_jscontext]
void addState(in jsval aData, in AString aTitle,
in AString aURL, in boolean aReplace);
/**
* Helper for addState and document.open that does just the
* history-manipulation guts.
*
* Arguments the spec defines:
*
* @param aDocument the document we're manipulating. This will get the new URI.
* @param aNewURI the new URI.
* @param aData The serialized state data. May be null.
* @param aTitle The new title. May be empty.
* @param aReplace whether this should replace the exising SHEntry.
*
* Arguments we need internally because deriving them from the
* others is a bit complicated:
*
* @param aCurrentURI the current URI we're working with. Might be null.
* @param aEqualURIs whether the two URIs involved are equal.
*/
[nostdcall]
void updateURLAndHistory(in Document aDocument, in nsIURI aNewURI,
in nsIStructuredCloneContainer aData, in AString aTitle,
in boolean aReplace, in nsIURI aCurrentURI,
in boolean aEqualURIs);
/**
* Reset state to a new content model within the current document and the document
* viewer. Called by the document before initiating an out of band document.write().
*/
void prepareForNewContentModel();
/**
* For editors and suchlike who wish to change the URI associated with the
* document. Note if you want to get the current URI, use the read-only
* property on nsIWebNavigation.
*/
void setCurrentURI(in nsIURI aURI);
/**
* Notify the associated content viewer and all child docshells that they are
* about to be hidden. If |isUnload| is true, then the document is being
* unloaded and all dynamic subframe history entries are removed as well.
*
* @param isUnload
* True to fire the unload event in addition to the pagehide event,
* and remove all dynamic subframe history entries.
*/
[noscript] void firePageHideNotification(in boolean isUnload);
/**
* Presentation context for the currently loaded document. This may be null.
*/
[notxpcom,nostdcall] readonly attribute nsPresContext presContext;
/**
* Presentation shell for the currently loaded document. This may be null.
*/
[notxpcom,nostdcall] readonly attribute PresShell presShell;
/**
* Presentation shell for the oldest document, if this docshell is
* currently transitioning between documents.
*/
[notxpcom,nostdcall] readonly attribute PresShell eldestPresShell;
/**
* Content Viewer that is currently loaded for this DocShell. This may
* change as the underlying content changes.
*/
readonly attribute nsIContentViewer contentViewer;
/**
* Get the id of the outer window that is or will be in this docshell.
*/
[infallible] readonly attribute unsigned long long outerWindowID;
/**
* This attribute allows chrome to tie in to handle DOM events that may
* be of interest to chrome.
*/
attribute EventTarget chromeEventHandler;
/**
* This allows chrome to set a custom User agent on a specific docshell
*/
attribute AString customUserAgent;
/**
* Whether CSS error reporting is enabled.
*/
attribute boolean cssErrorReportingEnabled;
/**
* Whether to allow plugin execution
*/
attribute boolean allowPlugins;
/**
* Whether to allow Javascript execution
*/
attribute boolean allowJavascript;
/**
* Attribute stating if refresh based redirects can be allowed
*/
attribute boolean allowMetaRedirects;
/**
* Attribute stating if it should allow subframes (framesets/iframes) or not
*/
attribute boolean allowSubframes;
/**
* Attribute stating whether or not images should be loaded.
*/
attribute boolean allowImages;
/**
* Attribute stating whether or not media (audio/video) should be loaded.
*/
[infallible] attribute boolean allowMedia;
/**
* 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 boolean allowDNSPrefetch;
/**
* Attribute that determines whether window control (move/resize) is allowed.
*/
attribute boolean allowWindowControl;
/**
* 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.
*/
[infallible] attribute boolean allowContentRetargeting;
/**
* True if new child docshells should allow content retargeting.
* Setting allowContentRetargeting also overwrites this value.
*/
[infallible] attribute boolean allowContentRetargetingOnChildren;
/**
* True if this docShell should inherit the private browsing ID from
* its parent when reparented.
*
* NOTE: This should *not* be set false in new code, or for docShells
* inserted anywhere other than as children of panels.
*/
[infallible] attribute boolean inheritPrivateBrowsingId;
/**
* Get an array of this docShell and its children.
*
* @param aItemType - Only include docShells of this type, or if typeAll,
* include all child shells.
* Uses types from nsIDocShellTreeItem.
* @param aDirection - Whether to enumerate forwards or backwards.
*/
cenum DocShellEnumeratorDirection : 8 {
ENUMERATE_FORWARDS = 0,
ENUMERATE_BACKWARDS = 1
};
Array<nsIDocShell> getAllDocShellsInSubtree(in long aItemType,
in nsIDocShell_DocShellEnumeratorDirection aDirection);
/**
* The type of application that created this window.
*
* DO NOT DELETE, see bug 176166. For firefox, this value will always be
* UNKNOWN. However, it is used heavily in Thunderbird/comm-central and we
* don't really have a great replacement at the moment, so we'll just leave it
* here.
*/
cenum AppType : 8 {
APP_TYPE_UNKNOWN = 0,
APP_TYPE_MAIL = 1,
APP_TYPE_EDITOR = 2
};
[infallible] attribute nsIDocShell_AppType appType;
/**
* certain docshells (like the message pane)
* should not throw up auth dialogs
* because it can act as a password trojan
*/
attribute boolean allowAuth;
/**
* Set/Get the document scale factor. When setting this attribute, a
* NS_ERROR_NOT_IMPLEMENTED error may be returned by implementations
* not supporting zoom. Implementations not supporting zoom should return
* 1.0 all the time for the Get operation. 1.0 by the way is the default
* of zoom. This means 100% of normal scaling or in other words normal size
* no zoom.
*/
attribute float zoom;
/*
* Tells the docshell to offer focus to its tree owner.
* This is currently only necessary for embedding chrome.
* If forDocumentNavigation is true, then document navigation should be
* performed, where only the root of documents are selected. Otherwise, the
* next element in the parent should be returned. Returns true if focus was
* successfully taken by the tree owner.
*/
bool tabToTreeOwner(in boolean forward, in boolean forDocumentNavigation);
/**
* Current busy state for DocShell
*/
cenum BusyFlags : 8 {
BUSY_FLAGS_NONE = 0,
BUSY_FLAGS_BUSY = 1,
BUSY_FLAGS_BEFORE_PAGE_LOAD = 2,
BUSY_FLAGS_PAGE_LOADING = 4,
};
[infallible] readonly attribute nsIDocShell_BusyFlags busyFlags;
/**
* Load commands for the document
*/
cenum LoadCommand : 8 {
LOAD_CMD_NORMAL = 0x1, // Normal load
LOAD_CMD_RELOAD = 0x2, // Reload
LOAD_CMD_HISTORY = 0x4, // Load from history
LOAD_CMD_PUSHSTATE = 0x8, // History.pushState()
};
/*
* Attribute to access the loadtype for the document. LoadType Enum is
* defined in nsDocShellLoadTypes.h
*/
[infallible] attribute unsigned long loadType;
/*
* 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.
*/
attribute nsLoadFlags defaultLoadFlags;
/*
* returns true if the docshell is being destroyed, false otherwise
*/
boolean isBeingDestroyed();
/*
* Returns true if the docshell is currently executing the onLoad Handler
*/
readonly attribute boolean isExecutingOnLoadHandler;
attribute nsILayoutHistoryState layoutHistoryState;
/**
* The SecureBrowserUI object for this docshell. This is set by XUL
* <browser> or nsWebBrowser for their root docshell.
*/
attribute nsISecureBrowserUI securityUI;
/**
* Object 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 attribute nsILoadURIDelegate loadURIDelegate;
/**
* Cancel the XPCOM timers for each meta-refresh URI in this docshell,
* and this docshell's children, recursively. The meta-refresh timers can be
* restarted using resumeRefreshURIs(). If the timers are already suspended,
* this has no effect.
*/
void suspendRefreshURIs();
/**
* Restart the XPCOM timers for each meta-refresh URI in this docshell,
* and this docshell's children, recursively. If the timers are already
* running, this has no effect.
*/
void resumeRefreshURIs();
/**
* Begin firing WebProgressListener notifications for restoring a page
* presentation. |viewer| is the content viewer whose document we are
* starting to load. If null, it defaults to the docshell's current content
* viewer, creating one if necessary. |top| should be true for the toplevel
* docshell that is being restored; it will be set to false when this method
* is called for child docshells. This method will post an event to
* complete the simulated load after returning to the event loop.
*/
void beginRestore(in nsIContentViewer viewer, in boolean top);
/**
* Finish firing WebProgressListener notifications and DOM events for
* restoring a page presentation. This should only be called via
* beginRestore().
*/
void finishRestore();
/* Track whether we're currently restoring a document presentation. */
readonly attribute boolean restoringDocument;
/* attribute to access whether error pages are enabled */
attribute boolean useErrorPages;
/**
* Display a load error in a frame while keeping that frame's currentURI
* pointing correctly to the page where the error ocurred, rather than to
* the error document page. You must provide either the aURI or aURL parameter.
*
* @param aError The error code to be displayed
* @param aURI nsIURI of the page where the error happened
* @param aURL wstring of the page where the error happened
* @param aFailedChannel The channel related to this error
*
* Returns whether or not we displayed an error page (note: will always
* return false if in-content error pages are disabled!)
*/
boolean displayLoadError(in nsresult aError,
in nsIURI aURI,
in wstring aURL,
[optional] in nsIChannel aFailedChannel);
/**
* The channel that failed to load and resulted in an error page.
* May be null. Relevant only to error pages.
*/
readonly attribute nsIChannel failedChannel;
/**
* Keeps 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.
*/
readonly attribute long previousEntryIndex;
readonly attribute long loadedEntryIndex;
/**
* Notification that entries have been removed from the beginning of a
* nsSHistory which has this as its rootDocShell.
*
* @param numEntries - The number of entries removed
*/
void historyPurged(in long numEntries);
/**
* Gets 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.
*/
readonly attribute nsIChannel currentDocumentChannel;
/**
* The original offset of this child in its container. This property is -1 for
* dynamically added docShells.
*/
[notxpcom,nostdcall] attribute long childOffset;
/**
* Find out whether the docshell is currently in the middle of a page
* transition. This is set just before the pagehide/unload events fire.
*/
readonly attribute boolean isInUnload;
/**
* This attribute determines whether Mixed Active Content is loaded on the
* document. When it is true, mixed active content was not blocked and has
* loaded (or is about to load) on the page. When it is false, mixed active content
* has not loaded on the page, either because there was no mixed active content
* requests on the page or such requests were blocked by nsMixedContentBlocker.
* This boolean is set to true in nsMixedContentBlocker if Mixed Active Content
* is allowed (either explicitly on the page by the user or when the about:config
* setting security.mixed_content.block_active_content is set to false).
*/
[infallible] readonly attribute boolean hasMixedActiveContentLoaded;
/**
* This attribute determines whether a document has Mixed Active Content
* that has been blocked from loading. When it is true, there is definitely
* mixed active content on a page that has been blocked by
* nsMixedContentBlocker. When it is false, there may or may not be mixed
* active content on a page, but if there is, it will load. Note that if the
* about:config setting security.mixed_content.block_active_content is set
* false, this boolean will be false, since blocking active content has been
* disabled.
*/
[infallible] readonly attribute boolean hasMixedActiveContentBlocked;
/**
* This attribute determines whether Mixed Display Content is loaded on the
* document. When it is true, mixed display content was not blocked and has
* loaded (or is about to load) on the page. Similar behavior to
* hasMixedActiveContentLoaded.
*/
[infallible] readonly attribute boolean hasMixedDisplayContentLoaded;
/**
* This attribute determines whether a document has Mixed Display Content
* that has been blocked from loading. Similar behavior to
* hasMixedActiveContentBlocked.
*/
[infallible] readonly attribute boolean hasMixedDisplayContentBlocked;
/**
* Disconnects this docshell's editor from its window, and stores the
* editor data in the open document's session history entry. This
* should be called only during page transitions.
*/
[noscript, notxpcom] void DetachEditorFromWindow();
/**
* If true, this browser is not visible in the traditional sense, but
* is actively being rendered to the screen (ex. painted on a canvas)
* and should be treated accordingly.
**/
attribute boolean isOffScreenBrowser;
/**
* Allows nsDocumentViewer to tell the top-level same-type docshell that
* one of the documents under it is printing.
*/
[noscript, notxpcom] void setIsPrinting(in boolean aIsPrinting);
/**
* This method should only be called on a docShell that has been specifically
* created to display a print preview document. If the current document
* viewer isn't initialized for print preview when this method is called, it
* is replaced with a new viewer with an about:blank document (with the URL
* about:printpreview). The viewer is then returned, ready for the print
* preview document to be constructed when viewer.printPreview() is called.
*
* The same viewer will be returned on subsequent calls since various bits of
* code assume that, once created, the viewer is never replaced. Note,
* however, that the viewer's document will be replaced with a new document
* each time printPreview() is called on it (which is what we do to take
* account of print preview settings changes). Replacing the document
* viewer's document breaks the normally unchanging 1:1 relationship between
* a document and its viewer, but that seems to be okay.
*/
nsIWebBrowserPrint initOrReusePrintPreviewViewer();
/**
* Propagated to the print preview document viewer. Must only be called on
* a document viewer that has been initialized for print preview.
*/
void exitPrintPreview();
/**
* Whether this docshell can execute scripts based on its hierarchy.
* The rule of thumb here is that we disable js if this docshell or any
* of its parents disallow scripting.
*/
[infallible] readonly attribute boolean canExecuteScripts;
/**
* Sets whether a docshell is active. An active docshell is one that is
* visible, and thus is not a good candidate for certain optimizations
* like image frame discarding. Docshells are active unless told otherwise.
*/
[infallible] attribute boolean isActive;
/**
* The ID of the docshell in the session history.
*/
readonly attribute nsIDPtr historyID;
/**
* Helper method for accessing this value from C++
*/
[noscript, notxpcom] nsID HistoryID();
/**
* Sets whether a docshell is an app tab. An app tab docshell may behave
* differently than a non-app tab docshell in some cases, such as when
* handling link clicks. Docshells are not app tabs unless told otherwise.
*/
attribute boolean isAppTab;
/**
* Create a new about:blank document and content viewer.
* @param aPrincipal the principal to use for the new document.
* @param aStoragePrincipal the storage principal to use for the new document.
* @param aCsp the CSP to use for the new document.
*/
void createAboutBlankContentViewer(in nsIPrincipal aPrincipal,
in nsIPrincipal aStoragePrincipal,
[optional] in nsIContentSecurityPolicy aCSP);
/**
* Upon getting, returns the canonical encoding label of the document
* currently loaded into this docshell.
*
* Upon setting, sets forcedCharset for compatibility with legacy callers.
*/
attribute ACString charset;
/**
* Called when the user chose an encoding override from the character
* encoding menu. Separate from the setter for the charset property to avoid
* extensions adding noise to the data.
*/
void gatherCharsetMenuTelemetry();
/**
* The charset forced by the user.
*/
attribute ACString forcedCharset;
/**
* In a child docshell, this is the charset of the parent docshell
*/
[noscript, notxpcom, nostdcall] void setParentCharset(
in Encoding parentCharset,
in int32_t parentCharsetSource,
in nsIPrincipal parentCharsetPrincipal);
[noscript, notxpcom, nostdcall] void getParentCharset(
out Encoding parentCharset,
out int32_t parentCharsetSource,
out nsIPrincipal parentCharsetPrincipal);
/**
* Whether the docShell records profile timeline markers at the moment
*/
[infallible] attribute boolean recordProfileTimelineMarkers;
/**
* Return a DOMHighResTimeStamp representing the number of
* milliseconds from an arbitrary point in time. The reference
* point is shared by all DocShells and is also used by timestamps
* on markers.
*/
DOMHighResTimeStamp now();
/**
* Returns and flushes the profile timeline markers gathered by the docShell
*/
[implicit_jscontext]
jsval popProfileTimelineMarkers();
/**
* Add an observer to the list of parties to be notified when this docshell's
* private browsing status is changed. |obs| must support weak references.
*/
void addWeakPrivacyTransitionObserver(in nsIPrivacyTransitionObserver obs);
/**
* Add an observer to the list of parties to be notified when reflows are
* occurring. |obs| must support weak references.
*/
void addWeakReflowObserver(in nsIReflowObserver obs);
/**
* Remove an observer from the list of parties to be notified about reflows.
*/
void removeWeakReflowObserver(in nsIReflowObserver obs);
/**
* Notify all attached observers that a reflow has just occurred.
*
* @param interruptible if true, the reflow was interruptible.
* @param start timestamp when reflow started, in milliseconds since
* navigationStart (accurate to 1/1000 of a ms)
* @param end timestamp when reflow ended, in milliseconds since
* navigationStart (accurate to 1/1000 of a ms)
*/
[noscript] void notifyReflowObservers(in bool interruptible,
in DOMHighResTimeStamp start,
in DOMHighResTimeStamp end);
/**
* Add an observer to the list of parties to be notified when scroll position
* of some elements is changed.
*/
[noscript] void addWeakScrollObserver(in nsIScrollObserver obs);
/**
* Add an observer to the list of parties to be notified when scroll position
* of some elements is changed.
*/
[noscript] void removeWeakScrollObserver(in nsIScrollObserver obs);
/**
* Notify all attached observers that the scroll position of some element
* has changed.
*/
[noscript] void notifyScrollObservers();
/**
* The type of iframe that this docshell lives.
*/
cenum FrameType : 8 {
FRAME_TYPE_REGULAR = 0,
FRAME_TYPE_BROWSER = 1,
};
[infallible] attribute nsIDocShell_FrameType frameType;
/**
* Returns true if this docshell corresponds to an <iframe mozbrowser>.
* <xul:browser> returns false here.
*/
[infallible] readonly attribute boolean isMozBrowser;
/**
* Returns true if this docshell corresponds to an <iframe mozbrowser>, or
* if this docshell is contained in an <iframe mozbrowser>. <xul:browser>
* returns false here.
*
* To compute this value, we walk up the docshell hierarchy. If we encounter
* a docshell with isMozBrowser before we hit the end of the hierarchy,
* we return true. Otherwise, we return false.
*/
[infallible] readonly attribute boolean isInMozBrowser;
/**
* 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.
*
* @deprecated: Use `BrowsingContext::GetParent()` in the future.
*/
nsIDocShell getSameTypeParentIgnoreBrowserBoundaries();
/**
* Like nsIDocShellTreeItem::GetSameTypeRootTreeItem, except this ignores
* <iframe mozbrowser> boundaries.
*
* @deprecated: Use `BrowsingContext::Top()` in the future.
*/
nsIDocShell getSameTypeRootTreeItemIgnoreBrowserBoundaries();
/**
* True iff asynchronous panning and zooming is enabled for this
* docshell.
*/
readonly attribute bool asyncPanZoomEnabled;
/**
* Returns true if we are sandboxed from aTargetDocShell.
* aTargetDocShell - the browsing context we are attempting to navigate.
*/
[noscript,notxpcom,nostdcall] bool isSandboxedFrom(in BrowsingContext aTargetBC);
/**
* This member variable determines whether a document has Mixed Active Content that
* was initially blocked from loading, but the user has choosen to override the
* block and allow the content to load. mMixedContentChannel is set to the document's
* channel when the user allows mixed content. The nsMixedContentBlocker content policy
* checks if the document's root channel matches the mMixedContentChannel. If it matches,
* then Mixed Content is loaded. If it does match, mixed content is blocked.
*
* A match implies that there is definitely mixed active content on a page that was
* initially blocked by nsMixedContentBlocker and then allowed and loaded by the user.
* A miss imples that IF there is mixed active content on the page AND it was
* blocked by nsMixedContentBlocker.cpp, the user has not choosen to override
* the block. Note that if the about:config setting
* security.mixed_content.block_active_content is set to false, this boolean
* will be false, mMixedContentChannel will remain null since blocking active content has
* been disabled and hence mMixedContentChannel will never be set.
*/
attribute nsIChannel mixedContentChannel;
/**
* Checks whether the channel associated with the root docShell is equal to
* mMixedContentChannel. If they are the same, allowMixedContent is set to true.
* Checks if the root document has a secure connection. If it is, sets
* rootHasSecureConnection to true. If the docShell is the root doc shell,
* isRootDocShell is set to true.
*/
void GetAllowMixedContentAndConnectionData(out boolean rootHasSecureConnection, out boolean allowMixedContent, out boolean isRootDocShell);
/**
* 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();
/**
* Attribute that determines whether fullscreen is allowed to be entered for
* this subtree of the docshell tree. This is true when all iframes containing
* this docshell have their "allowfullscreen" attribute set to "true".
* fullscreenAllowed is only writable at content boundaries, where it is used
* to propagate the value of the cross process parent's iframe's
* "allowfullscreen" attribute to the child process. Setting
* fullscreenAllowed on docshells which aren't content boundaries throws an
* exception.
*/
[infallible] readonly attribute boolean fullscreenAllowed;
void setFullscreenAllowed(in boolean allowed);
[notxpcom] uint32_t orientationLock();
[notxpcom] void setOrientationLock(in uint32_t orientationLock);
[noscript, infallible] attribute boolean affectPrivateSessionLifetime;
/**
* 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;
/**
* Indicates that the character encoding was autodetected.
*/
[infallible] readonly attribute boolean charsetAutodetected;
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);
/**
* Add a Child SHEntry for a frameset page, given the child's loadtype.
* If aCloneChildren is true, then aCloneReference's children will be
* cloned onto aHistoryEntry.
*/
void addChildSHEntry(in nsISHEntry aCloneReference,
in nsISHEntry aHistoryEntry,
in long aChildOffset,
in unsigned long aLoadType,
in boolean aCloneChilden);
/**
* Whether this docshell should save entries in global history.
*/
attribute boolean useGlobalHistory;
/**
* Removes nsISHEntry objects related to this docshell from session history.
* Use this only with subdocuments, like iframes.
*/
void removeFromSessionHistory();
/**
* Set when an iframe/frame is added dynamically.
*/
[infallible] attribute boolean createdDynamically;
/**
* 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();
/**
* If deviceSizeIsPageSize is set to true, device-width/height media queries
* will be calculated from the page size, not the device size.
*
* Used by the Responsive Design Mode and B2G Simulator.
*
* Default is False.
* Default value can be overriden with
* docshell.device_size_is_page_size pref.
*/
[infallible] attribute boolean deviceSizeIsPageSize;
/**
* Regarding setOpener / getOpener - We can't use XPIDL's "attribute"
* for notxpcom, so we're relegated to using explicit gets / sets. This
* should be fine, considering that these methods should only ever be
* called from native code.
*/
[noscript,notxpcom,nostdcall] void setOpener(in nsIRemoteTab aOpener);
[noscript,notxpcom,nostdcall] nsIRemoteTab getOpener();
/**
* Notify DocShell when the browser is about to start executing JS, and after
* that execution has stopped. This only occurs when the Timeline devtool
* is collecting information.
*/
[noscript,notxpcom,nostdcall] void notifyJSRunToCompletionStart(in string aReason,
in AString functionName,
in AString fileName,
in unsigned long lineNumber,
in jsval asyncStack,
in string asyncCause);
[noscript,notxpcom,nostdcall] void notifyJSRunToCompletionStop();
[noscript] void GetOSHEId(out uint32_t aSHEntryId);
/**
* 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 TouchEventsOverride: 8 {
/**
* Override platform/pref default behaviour and force-disable touch events.
*/
TOUCHEVENTS_OVERRIDE_DISABLED = 0,
/**
* Override platform/pref default behaviour and force-enable touch events.
*/
TOUCHEVENTS_OVERRIDE_ENABLED = 1,
/**
* Don't override the platform/pref default behaviour for touch events.
*/
TOUCHEVENTS_OVERRIDE_NONE = 2,
};
/**
* This allows chrome to override the default choice of whether touch events
* are available on a specific docshell. Possible values are listed below.
*/
[infallible] attribute nsIDocShell_TouchEventsOverride touchEventsOverride;
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] attribute nsIDocShell_MetaViewportOverride metaViewportOverride;
/**
* Returns `true` if this docshell was created due to a Large-Allocation
* header, and has not seen the initiating load yet.
*/
[infallible] readonly attribute boolean awaitingLargeAlloc;
/**
* 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();
/**
* Initialize session history for this docshell. The docshell must be the root
* docshell.
*/
void initSessionHistory();
%{C++
/**
* These methods call nsDocShell::GetHTMLEditorInternal() and
* nsDocShell::SetHTMLEditorInternal() with static_cast.
*/
mozilla::HTMLEditor* GetHTMLEditor();
nsresult SetHTMLEditor(mozilla::HTMLEditor* aHTMLEditor);
%}
/**
* Allowed CSS display modes. This needs to be kept in
* sync with similar values in ServoStyleConsts.h
*/
cenum DisplayMode: 8 {
DISPLAY_MODE_BROWSER = 0,
DISPLAY_MODE_MINIMAL_UI = 1,
DISPLAY_MODE_STANDALONE = 2,
DISPLAY_MODE_FULLSCREEN = 3,
};
/**
* Display mode for this docshell. Defaults to DISPLAY_MODE_BROWSER.
* Media queries only look at the value in the top-most docshell.
*/
[infallible] attribute nsIDocShell_DisplayMode displayMode;
/**
* 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 developer tools are watching activity in this docshell.
*/
[infallible] attribute boolean watchedByDevtools;
/*
* 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();
};
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