mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-30 21:55:31 +00:00
1005 lines
31 KiB
C++
1005 lines
31 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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/. */
|
|
|
|
#ifndef nsPIDOMWindow_h__
|
|
#define nsPIDOMWindow_h__
|
|
|
|
#include "nsIDOMWindow.h"
|
|
#include "mozIDOMWindow.h"
|
|
|
|
#include "nsCOMPtr.h"
|
|
#include "nsTArray.h"
|
|
#include "mozilla/dom/EventTarget.h"
|
|
#include "js/TypeDecls.h"
|
|
#include "nsRefPtrHashtable.h"
|
|
|
|
// Only fired for inner windows.
|
|
#define DOM_WINDOW_DESTROYED_TOPIC "dom-window-destroyed"
|
|
#define DOM_WINDOW_FROZEN_TOPIC "dom-window-frozen"
|
|
#define DOM_WINDOW_THAWED_TOPIC "dom-window-thawed"
|
|
|
|
class nsGlobalWindow;
|
|
class nsIArray;
|
|
class nsIContent;
|
|
class nsICSSDeclaration;
|
|
class nsIDocShell;
|
|
class nsIDocShellLoadInfo;
|
|
class nsIDocument;
|
|
class nsIIdleObserver;
|
|
class nsIPrincipal;
|
|
class nsIScriptTimeoutHandler;
|
|
class nsIURI;
|
|
class nsPIDOMWindowInner;
|
|
class nsPIDOMWindowOuter;
|
|
class nsPIWindowRoot;
|
|
class nsXBLPrototypeHandler;
|
|
|
|
typedef uint32_t SuspendTypes;
|
|
|
|
namespace mozilla {
|
|
class ThrottledEventQueue;
|
|
namespace dom {
|
|
class AudioContext;
|
|
class DocGroup;
|
|
class TabGroup;
|
|
class Element;
|
|
class Performance;
|
|
class ServiceWorkerRegistration;
|
|
class Timeout;
|
|
class CustomElementRegistry;
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
// Popup control state enum. The values in this enum must go from most
|
|
// permissive to least permissive so that it's safe to push state in
|
|
// all situations. Pushing popup state onto the stack never makes the
|
|
// current popup state less permissive (see
|
|
// nsGlobalWindow::PushPopupControlState()).
|
|
enum PopupControlState {
|
|
openAllowed = 0, // open that window without worries
|
|
openControlled, // it's a popup, but allow it
|
|
openAbused, // it's a popup. disallow it, but allow domain override.
|
|
openOverridden // disallow window open
|
|
};
|
|
|
|
enum UIStateChangeType
|
|
{
|
|
UIStateChangeType_NoChange,
|
|
UIStateChangeType_Set,
|
|
UIStateChangeType_Clear,
|
|
UIStateChangeType_Invalid // used for serialization only
|
|
};
|
|
|
|
enum class FullscreenReason
|
|
{
|
|
// Toggling the fullscreen mode requires trusted context.
|
|
ForFullscreenMode,
|
|
// Fullscreen API is the API provided to untrusted content.
|
|
ForFullscreenAPI,
|
|
// This reason can only be used with exiting fullscreen.
|
|
// It is otherwise identical to eForFullscreenAPI except it would
|
|
// suppress the fullscreen transition.
|
|
ForForceExitFullscreen
|
|
};
|
|
|
|
|
|
// nsPIDOMWindowInner and nsPIDOMWindowOuter are identical in all respects
|
|
// except for the type name. They *must* remain identical so that we can
|
|
// reinterpret_cast between them.
|
|
template<class T>
|
|
class nsPIDOMWindow : public T
|
|
{
|
|
public:
|
|
nsPIDOMWindowInner* AsInner();
|
|
const nsPIDOMWindowInner* AsInner() const;
|
|
nsPIDOMWindowOuter* AsOuter();
|
|
const nsPIDOMWindowOuter* AsOuter() const;
|
|
|
|
virtual nsPIDOMWindowOuter* GetPrivateRoot() = 0;
|
|
virtual mozilla::dom::CustomElementRegistry* CustomElements() = 0;
|
|
// Outer windows only.
|
|
virtual void ActivateOrDeactivate(bool aActivate) = 0;
|
|
|
|
// this is called GetTopWindowRoot to avoid conflicts with nsIDOMWindow::GetWindowRoot
|
|
/**
|
|
* |top| gets the root of the window hierarchy.
|
|
*
|
|
* This function does not cross chrome-content boundaries, so if this
|
|
* window's parent is of a different type, |top| will return this window.
|
|
*
|
|
* When script reads the top property, we run GetScriptableTop, which
|
|
* will not cross an <iframe mozbrowser> boundary.
|
|
*
|
|
* In contrast, C++ calls to GetTop are forwarded to GetRealTop, which
|
|
* ignores <iframe mozbrowser> boundaries.
|
|
*/
|
|
|
|
virtual already_AddRefed<nsPIDOMWindowOuter> GetTop() = 0; // Outer only
|
|
virtual already_AddRefed<nsPIDOMWindowOuter> GetParent() = 0;
|
|
virtual nsPIDOMWindowOuter* GetScriptableTop() = 0;
|
|
virtual nsPIDOMWindowOuter* GetScriptableParent() = 0;
|
|
virtual already_AddRefed<nsPIWindowRoot> GetTopWindowRoot() = 0;
|
|
|
|
bool IsRootOuterWindow()
|
|
{
|
|
MOZ_ASSERT(IsOuterWindow());
|
|
return mIsRootOuterWindow;
|
|
}
|
|
|
|
/**
|
|
* Behavies identically to GetScriptableParent extept that it returns null
|
|
* if GetScriptableParent would return this window.
|
|
*/
|
|
virtual nsPIDOMWindowOuter* GetScriptableParentOrNull() = 0;
|
|
|
|
// Inner windows only.
|
|
virtual nsresult RegisterIdleObserver(nsIIdleObserver* aIdleObserver) = 0;
|
|
virtual nsresult UnregisterIdleObserver(nsIIdleObserver* aIdleObserver) = 0;
|
|
|
|
virtual bool IsTopLevelWindowActive() = 0;
|
|
|
|
// Outer windows only.
|
|
virtual void SetActive(bool aActive)
|
|
{
|
|
MOZ_ASSERT(IsOuterWindow());
|
|
mIsActive = aActive;
|
|
}
|
|
|
|
virtual void SetIsBackground(bool aIsBackground)
|
|
{
|
|
MOZ_ASSERT(IsOuterWindow());
|
|
mIsBackground = aIsBackground;
|
|
}
|
|
|
|
mozilla::dom::EventTarget* GetChromeEventHandler() const
|
|
{
|
|
return mChromeEventHandler;
|
|
}
|
|
|
|
// Outer windows only.
|
|
virtual void SetChromeEventHandler(mozilla::dom::EventTarget* aChromeEventHandler) = 0;
|
|
|
|
mozilla::dom::EventTarget* GetParentTarget()
|
|
{
|
|
if (!mParentTarget) {
|
|
UpdateParentTarget();
|
|
}
|
|
return mParentTarget;
|
|
}
|
|
|
|
virtual void MaybeUpdateTouchState() {}
|
|
|
|
nsIDocument* GetExtantDoc() const
|
|
{
|
|
return mDoc;
|
|
}
|
|
nsIURI* GetDocumentURI() const;
|
|
nsIURI* GetDocBaseURI() const;
|
|
|
|
nsIDocument* GetDoc()
|
|
{
|
|
if (!mDoc) {
|
|
MaybeCreateDoc();
|
|
}
|
|
return mDoc;
|
|
}
|
|
|
|
virtual bool IsRunningTimeout() = 0;
|
|
|
|
protected:
|
|
// Lazily instantiate an about:blank document if necessary, and if
|
|
// we have what it takes to do so.
|
|
void MaybeCreateDoc();
|
|
|
|
public:
|
|
inline bool IsLoadingOrRunningTimeout() const;
|
|
|
|
// Check whether a document is currently loading
|
|
inline bool IsLoading() const;
|
|
inline bool IsHandlingResizeEvent() const;
|
|
|
|
// Set the window up with an about:blank document with the current subject
|
|
// principal.
|
|
// Outer windows only.
|
|
virtual void SetInitialPrincipalToSubject() = 0;
|
|
|
|
virtual PopupControlState PushPopupControlState(PopupControlState aState,
|
|
bool aForce) const = 0;
|
|
virtual void PopPopupControlState(PopupControlState state) const = 0;
|
|
virtual PopupControlState GetPopupControlState() const = 0;
|
|
|
|
// Returns an object containing the window's state. This also suspends
|
|
// all running timeouts in the window.
|
|
virtual already_AddRefed<nsISupports> SaveWindowState() = 0;
|
|
|
|
// Restore the window state from aState.
|
|
virtual nsresult RestoreWindowState(nsISupports *aState) = 0;
|
|
|
|
// Determine if the window is suspended or frozen. Outer windows
|
|
// will forward this call to the inner window for convenience. If
|
|
// there is no inner window then the outer window is considered
|
|
// suspended and frozen by default.
|
|
virtual bool IsSuspended() const = 0;
|
|
virtual bool IsFrozen() const = 0;
|
|
|
|
// Fire any DOM notification events related to things that happened while
|
|
// the window was frozen.
|
|
virtual nsresult FireDelayedDOMEvents() = 0;
|
|
|
|
nsPIDOMWindowOuter* GetOuterWindow()
|
|
{
|
|
return mIsInnerWindow ? mOuterWindow.get() : AsOuter();
|
|
}
|
|
|
|
bool IsInnerWindow() const
|
|
{
|
|
return mIsInnerWindow;
|
|
}
|
|
|
|
bool IsOuterWindow() const
|
|
{
|
|
return !IsInnerWindow();
|
|
}
|
|
|
|
// Outer windows only.
|
|
virtual bool WouldReuseInnerWindow(nsIDocument* aNewDocument) = 0;
|
|
|
|
/**
|
|
* Get the docshell in this window.
|
|
*/
|
|
nsIDocShell *GetDocShell() const;
|
|
|
|
/**
|
|
* Set the docshell in the window. Must not be called with a null docshell
|
|
* (use DetachFromDocShell for that).
|
|
*/
|
|
virtual void SetDocShell(nsIDocShell *aDocShell) = 0;
|
|
|
|
/**
|
|
* Detach an outer window from its docshell.
|
|
*/
|
|
virtual void DetachFromDocShell() = 0;
|
|
|
|
/**
|
|
* Set a new document in the window. Calling this method will in
|
|
* most cases create a new inner window. If this method is called on
|
|
* an inner window the call will be forewarded to the outer window,
|
|
* if the inner window is not the current inner window an
|
|
* NS_ERROR_NOT_AVAILABLE error code will be returned. This may be
|
|
* called with a pointer to the current document, in that case the
|
|
* document remains unchanged, but a new inner window will be
|
|
* created.
|
|
*
|
|
* aDocument must not be null.
|
|
*/
|
|
virtual nsresult SetNewDocument(nsIDocument *aDocument,
|
|
nsISupports *aState,
|
|
bool aForceReuseInnerWindow) = 0;
|
|
|
|
/**
|
|
* Set the opener window. aOriginalOpener is true if and only if this is the
|
|
* original opener for the window. That is, it can only be true at most once
|
|
* during the life cycle of a window, and then only the first time
|
|
* SetOpenerWindow is called. It might never be true, of course, if the
|
|
* window does not have an opener when it's created.
|
|
*/
|
|
virtual void SetOpenerWindow(nsPIDOMWindowOuter* aOpener,
|
|
bool aOriginalOpener) = 0;
|
|
|
|
virtual void EnsureSizeUpToDate() = 0;
|
|
|
|
/**
|
|
* Callback for notifying a window about a modal dialog being
|
|
* opened/closed with the window as a parent.
|
|
*/
|
|
virtual void EnterModalState() = 0;
|
|
virtual void LeaveModalState() = 0;
|
|
|
|
// Outer windows only.
|
|
virtual bool CanClose() = 0;
|
|
virtual void ForceClose() = 0;
|
|
|
|
bool IsModalContentWindow() const
|
|
{
|
|
return mIsModalContentWindow;
|
|
}
|
|
|
|
/**
|
|
* Call this to indicate that some node (this window, its document,
|
|
* or content in that document) has a paint event listener.
|
|
*/
|
|
void SetHasPaintEventListeners()
|
|
{
|
|
mMayHavePaintEventListener = true;
|
|
}
|
|
|
|
/**
|
|
* Call this to check whether some node (this window, its document,
|
|
* or content in that document) has a paint event listener.
|
|
*/
|
|
bool HasPaintEventListeners()
|
|
{
|
|
return mMayHavePaintEventListener;
|
|
}
|
|
|
|
/**
|
|
* Call this to indicate that some node (this window, its document,
|
|
* or content in that document) has a touch event listener.
|
|
*/
|
|
void SetHasTouchEventListeners()
|
|
{
|
|
if (!mMayHaveTouchEventListener) {
|
|
mMayHaveTouchEventListener = true;
|
|
MaybeUpdateTouchState();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Moves the top-level window into fullscreen mode if aIsFullScreen is true,
|
|
* otherwise exits fullscreen.
|
|
*
|
|
* Outer windows only.
|
|
*/
|
|
virtual nsresult SetFullscreenInternal(
|
|
FullscreenReason aReason, bool aIsFullscreen) = 0;
|
|
|
|
/**
|
|
* This function should be called when the fullscreen state is flipped.
|
|
* If no widget is involved the fullscreen change, this method is called
|
|
* by SetFullscreenInternal, otherwise, it is called when the widget
|
|
* finishes its change to or from fullscreen.
|
|
*
|
|
* @param aIsFullscreen indicates whether the widget is in fullscreen.
|
|
*
|
|
* Outer windows only.
|
|
*/
|
|
virtual void FinishFullscreenChange(bool aIsFullscreen) = 0;
|
|
|
|
virtual JSObject* GetCachedXBLPrototypeHandler(nsXBLPrototypeHandler* aKey) = 0;
|
|
virtual void CacheXBLPrototypeHandler(nsXBLPrototypeHandler* aKey,
|
|
JS::Handle<JSObject*> aHandler) = 0;
|
|
|
|
/*
|
|
* Get and set the currently focused element within the document. If
|
|
* aNeedsFocus is true, then set mNeedsFocus to true to indicate that a
|
|
* document focus event is needed.
|
|
*
|
|
* DO NOT CALL EITHER OF THESE METHODS DIRECTLY. USE THE FOCUS MANAGER
|
|
* INSTEAD.
|
|
*/
|
|
nsIContent* GetFocusedNode() const;
|
|
virtual void SetFocusedNode(nsIContent* aNode,
|
|
uint32_t aFocusMethod = 0,
|
|
bool aNeedsFocus = false) = 0;
|
|
|
|
/**
|
|
* Retrieves the method that was used to focus the current node.
|
|
*/
|
|
virtual uint32_t GetFocusMethod() = 0;
|
|
|
|
/*
|
|
* Tells the window that it now has focus or has lost focus, based on the
|
|
* state of aFocus. If this method returns true, then the document loaded
|
|
* in the window has never received a focus event and expects to receive
|
|
* one. If false is returned, the document has received a focus event before
|
|
* and should only receive one if the window is being focused.
|
|
*
|
|
* aFocusMethod may be set to one of the focus method constants in
|
|
* nsIFocusManager to indicate how focus was set.
|
|
*/
|
|
virtual bool TakeFocus(bool aFocus, uint32_t aFocusMethod) = 0;
|
|
|
|
/**
|
|
* Indicates that the window may now accept a document focus event. This
|
|
* should be called once a document has been loaded into the window.
|
|
*/
|
|
virtual void SetReadyForFocus() = 0;
|
|
|
|
/**
|
|
* Whether the focused content within the window should show a focus ring.
|
|
*/
|
|
virtual bool ShouldShowFocusRing() = 0;
|
|
|
|
/**
|
|
* Set the keyboard indicator state for accelerators and focus rings.
|
|
*/
|
|
virtual void SetKeyboardIndicators(UIStateChangeType aShowAccelerators,
|
|
UIStateChangeType aShowFocusRings) = 0;
|
|
|
|
/**
|
|
* Indicates that the page in the window has been hidden. This is used to
|
|
* reset the focus state.
|
|
*/
|
|
virtual void PageHidden() = 0;
|
|
|
|
/**
|
|
* Instructs this window to asynchronously dispatch a hashchange event. This
|
|
* method must be called on an inner window.
|
|
*/
|
|
virtual nsresult DispatchAsyncHashchange(nsIURI *aOldURI,
|
|
nsIURI *aNewURI) = 0;
|
|
|
|
/**
|
|
* Instructs this window to synchronously dispatch a popState event.
|
|
*/
|
|
virtual nsresult DispatchSyncPopState() = 0;
|
|
|
|
/**
|
|
* Tell this window that it should listen for sensor changes of the given
|
|
* type.
|
|
*
|
|
* Inner windows only.
|
|
*/
|
|
virtual void EnableDeviceSensor(uint32_t aType) = 0;
|
|
|
|
/**
|
|
* Tell this window that it should remove itself from sensor change
|
|
* notifications.
|
|
*
|
|
* Inner windows only.
|
|
*/
|
|
virtual void DisableDeviceSensor(uint32_t aType) = 0;
|
|
|
|
#if defined(MOZ_WIDGET_ANDROID) || defined(MOZ_WIDGET_GONK)
|
|
virtual void EnableOrientationChangeListener() = 0;
|
|
virtual void DisableOrientationChangeListener() = 0;
|
|
#endif
|
|
|
|
virtual void EnableTimeChangeNotifications() = 0;
|
|
virtual void DisableTimeChangeNotifications() = 0;
|
|
|
|
#ifdef MOZ_B2G
|
|
/**
|
|
* Tell the window that it should start to listen to the network event of the
|
|
* given aType.
|
|
*
|
|
* Inner windows only.
|
|
*/
|
|
virtual void EnableNetworkEvent(mozilla::EventMessage aEventMessage) = 0;
|
|
|
|
/**
|
|
* Tell the window that it should stop to listen to the network event of the
|
|
* given aType.
|
|
*
|
|
* Inner windows only.
|
|
*/
|
|
virtual void DisableNetworkEvent(mozilla::EventMessage aEventMessage) = 0;
|
|
#endif // MOZ_B2G
|
|
|
|
/**
|
|
* Tell this window that there is an observer for gamepad input
|
|
*
|
|
* Inner windows only.
|
|
*/
|
|
virtual void SetHasGamepadEventListener(bool aHasGamepad = true) = 0;
|
|
|
|
/**
|
|
* Set a arguments for this window. This will be set on the window
|
|
* right away (if there's an existing document) and it will also be
|
|
* installed on the window when the next document is loaded.
|
|
*
|
|
* This function serves double-duty for passing both |arguments| and
|
|
* |dialogArguments| back from nsWindowWatcher to nsGlobalWindow. For the
|
|
* latter, the array is an array of length 0 whose only element is a
|
|
* DialogArgumentsHolder representing the JS value passed to showModalDialog.
|
|
*
|
|
* Outer windows only.
|
|
*/
|
|
virtual nsresult SetArguments(nsIArray *aArguments) = 0;
|
|
|
|
/**
|
|
* NOTE! This function *will* be called on multiple threads so the
|
|
* implementation must not do any AddRef/Release or other actions that will
|
|
* mutate internal state.
|
|
*/
|
|
virtual uint32_t GetSerial() = 0;
|
|
|
|
/**
|
|
* Return the window id of this window
|
|
*/
|
|
uint64_t WindowID() const { return mWindowID; }
|
|
|
|
/**
|
|
* Dispatch a custom event with name aEventName targeted at this window.
|
|
* Returns whether the default action should be performed.
|
|
*
|
|
* Outer windows only.
|
|
*/
|
|
virtual bool DispatchCustomEvent(const nsAString& aEventName) = 0;
|
|
|
|
/**
|
|
* Like nsIDOMWindow::Open, except that we don't navigate to the given URL.
|
|
*
|
|
* Outer windows only.
|
|
*/
|
|
virtual nsresult
|
|
OpenNoNavigate(const nsAString& aUrl, const nsAString& aName,
|
|
const nsAString& aOptions, nsPIDOMWindowOuter **_retval) = 0;
|
|
|
|
/**
|
|
* Fire a popup blocked event on the document.
|
|
*/
|
|
virtual void
|
|
FirePopupBlockedEvent(nsIDocument* aDoc,
|
|
nsIURI* aPopupURI,
|
|
const nsAString& aPopupWindowName,
|
|
const nsAString& aPopupWindowFeatures) = 0;
|
|
|
|
// WebIDL-ish APIs
|
|
void MarkUncollectableForCCGeneration(uint32_t aGeneration)
|
|
{
|
|
mMarkedCCGeneration = aGeneration;
|
|
}
|
|
|
|
uint32_t GetMarkedCCGeneration()
|
|
{
|
|
return mMarkedCCGeneration;
|
|
}
|
|
|
|
virtual nsIDOMScreen* GetScreen() = 0;
|
|
virtual nsIDOMNavigator* GetNavigator() = 0;
|
|
virtual nsIDOMLocation* GetLocation() = 0;
|
|
virtual nsresult GetPrompter(nsIPrompt** aPrompt) = 0;
|
|
virtual nsresult GetControllers(nsIControllers** aControllers) = 0;
|
|
virtual already_AddRefed<nsISelection> GetSelection() = 0;
|
|
virtual already_AddRefed<nsPIDOMWindowOuter> GetOpener() = 0;
|
|
virtual already_AddRefed<nsIDOMWindowCollection> GetFrames() = 0;
|
|
// aLoadInfo will be passed on through to the windowwatcher.
|
|
// aForceNoOpener will act just like a "noopener" feature in aOptions except
|
|
// will not affect any other window features.
|
|
virtual nsresult Open(const nsAString& aUrl, const nsAString& aName,
|
|
const nsAString& aOptions,
|
|
nsIDocShellLoadInfo* aLoadInfo,
|
|
bool aForceNoOpener,
|
|
nsPIDOMWindowOuter **_retval) = 0;
|
|
virtual nsresult OpenDialog(const nsAString& aUrl, const nsAString& aName,
|
|
const nsAString& aOptions,
|
|
nsISupports* aExtraArgument,
|
|
nsPIDOMWindowOuter** _retval) = 0;
|
|
|
|
virtual nsresult GetDevicePixelRatio(float* aRatio) = 0;
|
|
virtual nsresult GetInnerWidth(int32_t* aWidth) = 0;
|
|
virtual nsresult GetInnerHeight(int32_t* aHeight) = 0;
|
|
virtual already_AddRefed<nsICSSDeclaration>
|
|
GetComputedStyle(mozilla::dom::Element& aElt, const nsAString& aPseudoElt,
|
|
mozilla::ErrorResult& aError) = 0;
|
|
virtual already_AddRefed<nsIDOMElement> GetFrameElement() = 0;
|
|
virtual already_AddRefed<nsIDOMOfflineResourceList> GetApplicationCache() = 0;
|
|
virtual bool Closed() = 0;
|
|
virtual bool GetFullScreen() = 0;
|
|
virtual nsresult SetFullScreen(bool aFullScreen) = 0;
|
|
|
|
virtual nsresult Focus() = 0;
|
|
virtual nsresult Close() = 0;
|
|
|
|
virtual nsresult MoveBy(int32_t aXDif, int32_t aYDif) = 0;
|
|
virtual nsresult UpdateCommands(const nsAString& anAction, nsISelection* aSel, int16_t aReason) = 0;
|
|
|
|
mozilla::dom::TabGroup* TabGroup();
|
|
|
|
mozilla::dom::DocGroup* GetDocGroup();
|
|
|
|
virtual mozilla::ThrottledEventQueue* GetThrottledEventQueue() = 0;
|
|
|
|
protected:
|
|
// The nsPIDOMWindow constructor. The aOuterWindow argument should
|
|
// be null if and only if the created window itself is an outer
|
|
// window. In all other cases aOuterWindow should be the outer
|
|
// window for the inner window that is being created.
|
|
explicit nsPIDOMWindow<T>(nsPIDOMWindowOuter *aOuterWindow);
|
|
|
|
~nsPIDOMWindow<T>();
|
|
|
|
void SetChromeEventHandlerInternal(mozilla::dom::EventTarget* aChromeEventHandler) {
|
|
mChromeEventHandler = aChromeEventHandler;
|
|
// mParentTarget will be set when the next event is dispatched.
|
|
mParentTarget = nullptr;
|
|
}
|
|
|
|
virtual void UpdateParentTarget() = 0;
|
|
|
|
// These two variables are special in that they're set to the same
|
|
// value on both the outer window and the current inner window. Make
|
|
// sure you keep them in sync!
|
|
nsCOMPtr<mozilla::dom::EventTarget> mChromeEventHandler; // strong
|
|
nsCOMPtr<nsIDocument> mDoc; // strong
|
|
// Cache the URI when mDoc is cleared.
|
|
nsCOMPtr<nsIURI> mDocumentURI; // strong
|
|
nsCOMPtr<nsIURI> mDocBaseURI; // strong
|
|
|
|
nsCOMPtr<mozilla::dom::EventTarget> mParentTarget; // strong
|
|
|
|
// These members are only used on outer windows.
|
|
nsCOMPtr<mozilla::dom::Element> mFrameElement;
|
|
// This reference is used by the subclass nsGlobalWindow, and cleared in it's
|
|
// DetachFromDocShell() method. This method is called by nsDocShell::Destroy(),
|
|
// which is called before the nsDocShell is destroyed.
|
|
nsIDocShell* MOZ_NON_OWNING_REF mDocShell; // Weak Reference
|
|
|
|
// mPerformance is only used on inner windows.
|
|
RefPtr<mozilla::dom::Performance> mPerformance;
|
|
|
|
typedef nsRefPtrHashtable<nsStringHashKey,
|
|
mozilla::dom::ServiceWorkerRegistration>
|
|
ServiceWorkerRegistrationTable;
|
|
ServiceWorkerRegistrationTable mServiceWorkerRegistrationTable;
|
|
|
|
uint32_t mModalStateDepth;
|
|
|
|
// These variables are only used on inner windows.
|
|
mozilla::dom::Timeout *mRunningTimeout;
|
|
|
|
uint32_t mMutationBits;
|
|
|
|
bool mIsDocumentLoaded;
|
|
bool mIsHandlingResizeEvent;
|
|
bool mIsInnerWindow;
|
|
bool mMayHavePaintEventListener;
|
|
bool mMayHaveTouchEventListener;
|
|
bool mMayHaveMouseEnterLeaveEventListener;
|
|
bool mMayHavePointerEnterLeaveEventListener;
|
|
|
|
// Used to detect whether we have called FreeInnerObjects() (e.g. to ensure
|
|
// that a call to ResumeTimeouts() after FreeInnerObjects() does nothing).
|
|
// This member is only used by inner windows.
|
|
bool mInnerObjectsFreed;
|
|
|
|
|
|
// This variable is used on both inner and outer windows (and they
|
|
// should match).
|
|
bool mIsModalContentWindow;
|
|
|
|
// Tracks activation state that's used for :-moz-window-inactive.
|
|
// Only used on outer windows.
|
|
bool mIsActive;
|
|
|
|
// Tracks whether our docshell is active. If it is, mIsBackground
|
|
// is false. Too bad we have so many different concepts of
|
|
// "active". Only used on outer windows.
|
|
bool mIsBackground;
|
|
|
|
/**
|
|
* The suspended types can be "disposable" or "permanent". This varable only
|
|
* stores the value about permanent suspend.
|
|
* - disposable
|
|
* To pause all playing media in that window, but doesn't affect the media
|
|
* which starts after that.
|
|
*
|
|
* - permanent
|
|
* To pause all media in that window, and also affect the media which starts
|
|
* after that.
|
|
*/
|
|
SuspendTypes mMediaSuspend;
|
|
|
|
bool mAudioMuted;
|
|
float mAudioVolume;
|
|
|
|
bool mAudioCaptured;
|
|
|
|
// current desktop mode flag.
|
|
bool mDesktopModeViewport;
|
|
|
|
bool mIsRootOuterWindow;
|
|
|
|
// And these are the references between inner and outer windows.
|
|
nsPIDOMWindowInner* MOZ_NON_OWNING_REF mInnerWindow;
|
|
nsCOMPtr<nsPIDOMWindowOuter> mOuterWindow;
|
|
|
|
// the element within the document that is currently focused when this
|
|
// window is active
|
|
nsCOMPtr<nsIContent> mFocusedNode;
|
|
|
|
// The AudioContexts created for the current document, if any.
|
|
nsTArray<mozilla::dom::AudioContext*> mAudioContexts; // Weak
|
|
|
|
// This is present both on outer and inner windows.
|
|
RefPtr<mozilla::dom::TabGroup> mTabGroup;
|
|
|
|
// A unique (as long as our 64-bit counter doesn't roll over) id for
|
|
// this window.
|
|
uint64_t mWindowID;
|
|
|
|
// This is only used by the inner window. Set to true once we've sent
|
|
// the (chrome|content)-document-global-created notification.
|
|
bool mHasNotifiedGlobalCreated;
|
|
|
|
uint32_t mMarkedCCGeneration;
|
|
|
|
// Let the service workers plumbing know that some feature are enabled while
|
|
// testing.
|
|
bool mServiceWorkersTestingEnabled;
|
|
};
|
|
|
|
#define NS_PIDOMWINDOWINNER_IID \
|
|
{ 0x775dabc9, 0x8f43, 0x4277, \
|
|
{ 0x9a, 0xdb, 0xf1, 0x99, 0x0d, 0x77, 0xcf, 0xfb } }
|
|
|
|
#define NS_PIDOMWINDOWOUTER_IID \
|
|
{ 0x769693d4, 0xb009, 0x4fe2, \
|
|
{ 0xaf, 0x18, 0x7d, 0xc8, 0xdf, 0x74, 0x96, 0xdf } }
|
|
|
|
// NB: It's very very important that these two classes have identical vtables
|
|
// and memory layout!
|
|
class nsPIDOMWindowInner : public nsPIDOMWindow<mozIDOMWindow>
|
|
{
|
|
friend nsGlobalWindow;
|
|
|
|
public:
|
|
NS_DECLARE_STATIC_IID_ACCESSOR(NS_PIDOMWINDOWINNER_IID)
|
|
|
|
static nsPIDOMWindowInner* From(mozIDOMWindow* aFrom) {
|
|
return static_cast<nsPIDOMWindowInner*>(aFrom);
|
|
}
|
|
|
|
// Returns true if this object has an outer window and it is the current inner
|
|
// window of that outer.
|
|
inline bool IsCurrentInnerWindow() const;
|
|
|
|
// Returns true if the document of this window is the active document. This
|
|
// is not identical to IsCurrentInnerWindow() because document.open() will
|
|
// keep the same document active but create a new window.
|
|
inline bool HasActiveDocument();
|
|
|
|
bool AddAudioContext(mozilla::dom::AudioContext* aAudioContext);
|
|
void RemoveAudioContext(mozilla::dom::AudioContext* aAudioContext);
|
|
void MuteAudioContexts();
|
|
void UnmuteAudioContexts();
|
|
|
|
bool GetAudioCaptured() const;
|
|
nsresult SetAudioCapture(bool aCapture);
|
|
|
|
already_AddRefed<mozilla::dom::ServiceWorkerRegistration>
|
|
GetServiceWorkerRegistration(const nsAString& aScope);
|
|
void InvalidateServiceWorkerRegistration(const nsAString& aScope);
|
|
|
|
mozilla::dom::Performance* GetPerformance();
|
|
|
|
bool HasMutationListeners(uint32_t aMutationEventType) const
|
|
{
|
|
if (!mOuterWindow) {
|
|
NS_ERROR("HasMutationListeners() called on orphan inner window!");
|
|
|
|
return false;
|
|
}
|
|
|
|
return (mMutationBits & aMutationEventType) != 0;
|
|
}
|
|
|
|
void SetMutationListeners(uint32_t aType)
|
|
{
|
|
if (!mOuterWindow) {
|
|
NS_ERROR("HasMutationListeners() called on orphan inner window!");
|
|
|
|
return;
|
|
}
|
|
|
|
mMutationBits |= aType;
|
|
}
|
|
|
|
/**
|
|
* Call this to check whether some node (this window, its document,
|
|
* or content in that document) has a mouseenter/leave event listener.
|
|
*/
|
|
bool HasMouseEnterLeaveEventListeners()
|
|
{
|
|
return mMayHaveMouseEnterLeaveEventListener;
|
|
}
|
|
|
|
/**
|
|
* Call this to indicate that some node (this window, its document,
|
|
* or content in that document) has a mouseenter/leave event listener.
|
|
*/
|
|
void SetHasMouseEnterLeaveEventListeners()
|
|
{
|
|
mMayHaveMouseEnterLeaveEventListener = true;
|
|
}
|
|
|
|
/**
|
|
* Call this to check whether some node (this window, its document,
|
|
* or content in that document) has a Pointerenter/leave event listener.
|
|
*/
|
|
bool HasPointerEnterLeaveEventListeners()
|
|
{
|
|
return mMayHavePointerEnterLeaveEventListener;
|
|
}
|
|
|
|
/**
|
|
* Call this to indicate that some node (this window, its document,
|
|
* or content in that document) has a Pointerenter/leave event listener.
|
|
*/
|
|
void SetHasPointerEnterLeaveEventListeners()
|
|
{
|
|
mMayHavePointerEnterLeaveEventListener = true;
|
|
}
|
|
|
|
/**
|
|
* Check whether this has had inner objects freed.
|
|
*/
|
|
bool InnerObjectsFreed() const
|
|
{
|
|
return mInnerObjectsFreed;
|
|
}
|
|
|
|
/**
|
|
* Check whether this window is a secure context.
|
|
*/
|
|
bool IsSecureContext() const;
|
|
|
|
// Calling suspend should prevent any asynchronous tasks from
|
|
// executing javascript for this window. This means setTimeout,
|
|
// requestAnimationFrame, and events should not be fired. Suspending
|
|
// a window also suspends its children and workers. Workers may
|
|
// continue to perform computations in the background. A window
|
|
// can have Suspend() called multiple times and will only resume after
|
|
// a matching number of Resume() calls.
|
|
void Suspend();
|
|
void Resume();
|
|
|
|
// Calling Freeze() on a window will automatically Suspend() it. In
|
|
// addition, the window and its children are further treated as no longer
|
|
// suitable for interaction with the user. For example, it may be marked
|
|
// non-visible, cannot be focused, etc. All worker threads are also frozen
|
|
// bringing them to a complete stop. A window can have Freeze() called
|
|
// multiple times and will only thaw after a matching number of Thaw()
|
|
// calls.
|
|
void Freeze();
|
|
void Thaw();
|
|
|
|
// Apply the parent window's suspend, freeze, and modal state to the current
|
|
// window.
|
|
void SyncStateFromParentWindow();
|
|
|
|
protected:
|
|
void CreatePerformanceObjectIfNeeded();
|
|
};
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsPIDOMWindowInner, NS_PIDOMWINDOWINNER_IID)
|
|
|
|
// NB: It's very very important that these two classes have identical vtables
|
|
// and memory layout!
|
|
class nsPIDOMWindowOuter : public nsPIDOMWindow<mozIDOMWindowProxy>
|
|
{
|
|
protected:
|
|
void RefreshMediaElementsVolume();
|
|
void RefreshMediaElementsSuspend(SuspendTypes aSuspend);
|
|
bool IsDisposableSuspend(SuspendTypes aSuspend) const;
|
|
|
|
public:
|
|
NS_DECLARE_STATIC_IID_ACCESSOR(NS_PIDOMWINDOWOUTER_IID)
|
|
|
|
static nsPIDOMWindowOuter* From(mozIDOMWindowProxy* aFrom) {
|
|
return static_cast<nsPIDOMWindowOuter*>(aFrom);
|
|
}
|
|
|
|
// Given an inner window, return its outer if the inner is the current inner.
|
|
// Otherwise (argument null or not an inner or not current) return null.
|
|
static nsPIDOMWindowOuter* GetFromCurrentInner(nsPIDOMWindowInner* aInner);
|
|
|
|
nsPIDOMWindowInner* GetCurrentInnerWindow() const
|
|
{
|
|
return mInnerWindow;
|
|
}
|
|
|
|
nsPIDOMWindowInner* EnsureInnerWindow()
|
|
{
|
|
MOZ_ASSERT(IsOuterWindow());
|
|
// GetDoc forces inner window creation if there isn't one already
|
|
GetDoc();
|
|
return GetCurrentInnerWindow();
|
|
}
|
|
|
|
/**
|
|
* Set initial keyboard indicator state for accelerators and focus rings.
|
|
*/
|
|
void SetInitialKeyboardIndicators(UIStateChangeType aShowAccelerators,
|
|
UIStateChangeType aShowFocusRings);
|
|
|
|
// Internal getter/setter for the frame element, this version of the
|
|
// getter crosses chrome boundaries whereas the public scriptable
|
|
// one doesn't for security reasons.
|
|
mozilla::dom::Element* GetFrameElementInternal() const;
|
|
void SetFrameElementInternal(mozilla::dom::Element* aFrameElement);
|
|
|
|
bool IsActive()
|
|
{
|
|
return mIsActive;
|
|
}
|
|
|
|
void SetDesktopModeViewport(bool aDesktopModeViewport)
|
|
{
|
|
mDesktopModeViewport = aDesktopModeViewport;
|
|
}
|
|
bool IsDesktopModeViewport() const
|
|
{
|
|
return mDesktopModeViewport;
|
|
}
|
|
bool IsBackground()
|
|
{
|
|
return mIsBackground;
|
|
}
|
|
|
|
// Audio API
|
|
SuspendTypes GetMediaSuspend() const;
|
|
void SetMediaSuspend(SuspendTypes aSuspend);
|
|
|
|
bool GetAudioMuted() const;
|
|
void SetAudioMuted(bool aMuted);
|
|
|
|
float GetAudioVolume() const;
|
|
nsresult SetAudioVolume(float aVolume);
|
|
|
|
void SetServiceWorkersTestingEnabled(bool aEnabled);
|
|
bool GetServiceWorkersTestingEnabled();
|
|
};
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsPIDOMWindowOuter, NS_PIDOMWINDOWOUTER_IID)
|
|
|
|
#include "nsPIDOMWindowInlines.h"
|
|
|
|
#ifdef MOZILLA_INTERNAL_API
|
|
PopupControlState
|
|
PushPopupControlState(PopupControlState aState, bool aForce);
|
|
|
|
void
|
|
PopPopupControlState(PopupControlState aState);
|
|
|
|
#define NS_AUTO_POPUP_STATE_PUSHER nsAutoPopupStatePusherInternal
|
|
#else
|
|
#define NS_AUTO_POPUP_STATE_PUSHER nsAutoPopupStatePusherExternal
|
|
#endif
|
|
|
|
// Helper class that helps with pushing and popping popup control
|
|
// state. Note that this class looks different from within code that's
|
|
// part of the layout library than it does in code outside the layout
|
|
// library. We give the two object layouts different names so the symbols
|
|
// don't conflict, but code should always use the name
|
|
// |nsAutoPopupStatePusher|.
|
|
class NS_AUTO_POPUP_STATE_PUSHER
|
|
{
|
|
public:
|
|
#ifdef MOZILLA_INTERNAL_API
|
|
explicit NS_AUTO_POPUP_STATE_PUSHER(PopupControlState aState, bool aForce = false)
|
|
: mOldState(::PushPopupControlState(aState, aForce))
|
|
{
|
|
}
|
|
|
|
~NS_AUTO_POPUP_STATE_PUSHER()
|
|
{
|
|
PopPopupControlState(mOldState);
|
|
}
|
|
#else
|
|
NS_AUTO_POPUP_STATE_PUSHER(nsPIDOMWindowOuter *aWindow, PopupControlState aState)
|
|
: mWindow(aWindow), mOldState(openAbused)
|
|
{
|
|
if (aWindow) {
|
|
mOldState = aWindow->PushPopupControlState(aState, false);
|
|
}
|
|
}
|
|
|
|
~NS_AUTO_POPUP_STATE_PUSHER()
|
|
{
|
|
if (mWindow) {
|
|
mWindow->PopPopupControlState(mOldState);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
protected:
|
|
#ifndef MOZILLA_INTERNAL_API
|
|
nsCOMPtr<nsPIDOMWindowOuter> mWindow;
|
|
#endif
|
|
PopupControlState mOldState;
|
|
|
|
private:
|
|
// Hide so that this class can only be stack-allocated
|
|
static void* operator new(size_t /*size*/) CPP_THROW_NEW { return nullptr; }
|
|
static void operator delete(void* /*memory*/) {}
|
|
};
|
|
|
|
#define nsAutoPopupStatePusher NS_AUTO_POPUP_STATE_PUSHER
|
|
|
|
#endif // nsPIDOMWindow_h__
|