gecko/dom/events/nsIJSEventListener.h
Robert O'Callahan 6a0b04292d Bug 946065. Part 5: Move content/events to dom/ and flatten away 'src' directory. r=Ms2ger
--HG--
rename : content/events/src/DOMWheelEvent.cpp => dom/events/DOMWheelEvent.cpp
rename : content/events/src/DOMWheelEvent.h => dom/events/DOMWheelEvent.h
rename : content/events/src/EventTarget.cpp => dom/events/EventTarget.cpp
rename : content/events/public/EventTarget.h => dom/events/EventTarget.h
rename : content/events/public/MutationEvent.h => dom/events/MutationEvent.h
rename : content/events/src/PointerEvent.cpp => dom/events/PointerEvent.cpp
rename : content/events/src/PointerEvent.h => dom/events/PointerEvent.h
rename : content/events/src/SpeechRecognitionError.cpp => dom/events/SpeechRecognitionError.cpp
rename : content/events/src/SpeechRecognitionError.h => dom/events/SpeechRecognitionError.h
rename : content/events/src/TextComposition.cpp => dom/events/TextComposition.cpp
rename : content/events/src/TextComposition.h => dom/events/TextComposition.h
rename : content/events/src/Touch.cpp => dom/events/Touch.cpp
rename : content/events/src/Touch.h => dom/events/Touch.h
rename : content/events/crashtests/104310-1.html => dom/events/crashtests/104310-1.html
rename : content/events/crashtests/116206-1.html => dom/events/crashtests/116206-1.html
rename : content/events/crashtests/135345-1.html => dom/events/crashtests/135345-1.html
rename : content/events/crashtests/422009-1.xhtml => dom/events/crashtests/422009-1.xhtml
rename : content/events/crashtests/457776-1.html => dom/events/crashtests/457776-1.html
rename : content/events/crashtests/496308-1.html => dom/events/crashtests/496308-1.html
rename : content/events/crashtests/682637-1.html => dom/events/crashtests/682637-1.html
rename : content/events/crashtests/crashtests.list => dom/events/crashtests/crashtests.list
rename : content/events/crashtests/eventctor-nulldictionary.html => dom/events/crashtests/eventctor-nulldictionary.html
rename : content/events/crashtests/eventctor-nullstorage.html => dom/events/crashtests/eventctor-nullstorage.html
rename : content/events/crashtests/recursive-DOMNodeInserted.html => dom/events/crashtests/recursive-DOMNodeInserted.html
rename : content/events/crashtests/recursive-onload.html => dom/events/crashtests/recursive-onload.html
rename : content/events/src/moz.build => dom/events/moz.build
rename : content/events/src/nsAsyncDOMEvent.cpp => dom/events/nsAsyncDOMEvent.cpp
rename : content/events/public/nsAsyncDOMEvent.h => dom/events/nsAsyncDOMEvent.h
rename : content/events/src/nsContentEventHandler.cpp => dom/events/nsContentEventHandler.cpp
rename : content/events/src/nsContentEventHandler.h => dom/events/nsContentEventHandler.h
rename : content/events/src/nsDOMAnimationEvent.cpp => dom/events/nsDOMAnimationEvent.cpp
rename : content/events/src/nsDOMAnimationEvent.h => dom/events/nsDOMAnimationEvent.h
rename : content/events/src/nsDOMBeforeUnloadEvent.cpp => dom/events/nsDOMBeforeUnloadEvent.cpp
rename : content/events/src/nsDOMBeforeUnloadEvent.h => dom/events/nsDOMBeforeUnloadEvent.h
rename : content/events/src/nsDOMClipboardEvent.cpp => dom/events/nsDOMClipboardEvent.cpp
rename : content/events/src/nsDOMClipboardEvent.h => dom/events/nsDOMClipboardEvent.h
rename : content/events/src/nsDOMCommandEvent.cpp => dom/events/nsDOMCommandEvent.cpp
rename : content/events/src/nsDOMCommandEvent.h => dom/events/nsDOMCommandEvent.h
rename : content/events/src/nsDOMCompositionEvent.cpp => dom/events/nsDOMCompositionEvent.cpp
rename : content/events/src/nsDOMCompositionEvent.h => dom/events/nsDOMCompositionEvent.h
rename : content/events/src/nsDOMDataContainerEvent.cpp => dom/events/nsDOMDataContainerEvent.cpp
rename : content/events/src/nsDOMDataContainerEvent.h => dom/events/nsDOMDataContainerEvent.h
rename : content/events/src/nsDOMDataTransfer.cpp => dom/events/nsDOMDataTransfer.cpp
rename : content/events/src/nsDOMDataTransfer.h => dom/events/nsDOMDataTransfer.h
rename : content/events/src/nsDOMDeviceMotionEvent.cpp => dom/events/nsDOMDeviceMotionEvent.cpp
rename : content/events/src/nsDOMDeviceMotionEvent.h => dom/events/nsDOMDeviceMotionEvent.h
rename : content/events/src/nsDOMDragEvent.cpp => dom/events/nsDOMDragEvent.cpp
rename : content/events/src/nsDOMDragEvent.h => dom/events/nsDOMDragEvent.h
rename : content/events/src/nsDOMEvent.cpp => dom/events/nsDOMEvent.cpp
rename : content/events/src/nsDOMEvent.h => dom/events/nsDOMEvent.h
rename : content/events/src/nsDOMEventTargetHelper.cpp => dom/events/nsDOMEventTargetHelper.cpp
rename : content/events/src/nsDOMEventTargetHelper.h => dom/events/nsDOMEventTargetHelper.h
rename : content/events/src/nsDOMFocusEvent.cpp => dom/events/nsDOMFocusEvent.cpp
rename : content/events/src/nsDOMFocusEvent.h => dom/events/nsDOMFocusEvent.h
rename : content/events/public/nsDOMKeyNameList.h => dom/events/nsDOMKeyNameList.h
rename : content/events/src/nsDOMKeyboardEvent.cpp => dom/events/nsDOMKeyboardEvent.cpp
rename : content/events/src/nsDOMKeyboardEvent.h => dom/events/nsDOMKeyboardEvent.h
rename : content/events/src/nsDOMMessageEvent.cpp => dom/events/nsDOMMessageEvent.cpp
rename : content/events/src/nsDOMMessageEvent.h => dom/events/nsDOMMessageEvent.h
rename : content/events/src/nsDOMMouseEvent.cpp => dom/events/nsDOMMouseEvent.cpp
rename : content/events/src/nsDOMMouseEvent.h => dom/events/nsDOMMouseEvent.h
rename : content/events/src/nsDOMMouseScrollEvent.cpp => dom/events/nsDOMMouseScrollEvent.cpp
rename : content/events/src/nsDOMMouseScrollEvent.h => dom/events/nsDOMMouseScrollEvent.h
rename : content/events/src/nsDOMMutationEvent.cpp => dom/events/nsDOMMutationEvent.cpp
rename : content/events/src/nsDOMMutationEvent.h => dom/events/nsDOMMutationEvent.h
rename : content/events/src/nsDOMNotifyAudioAvailableEvent.cpp => dom/events/nsDOMNotifyAudioAvailableEvent.cpp
rename : content/events/src/nsDOMNotifyAudioAvailableEvent.h => dom/events/nsDOMNotifyAudioAvailableEvent.h
rename : content/events/src/nsDOMNotifyPaintEvent.cpp => dom/events/nsDOMNotifyPaintEvent.cpp
rename : content/events/src/nsDOMNotifyPaintEvent.h => dom/events/nsDOMNotifyPaintEvent.h
rename : content/events/src/nsDOMScrollAreaEvent.cpp => dom/events/nsDOMScrollAreaEvent.cpp
rename : content/events/src/nsDOMScrollAreaEvent.h => dom/events/nsDOMScrollAreaEvent.h
rename : content/events/src/nsDOMSimpleGestureEvent.cpp => dom/events/nsDOMSimpleGestureEvent.cpp
rename : content/events/src/nsDOMSimpleGestureEvent.h => dom/events/nsDOMSimpleGestureEvent.h
rename : content/events/src/nsDOMTextEvent.cpp => dom/events/nsDOMTextEvent.cpp
rename : content/events/src/nsDOMTextEvent.h => dom/events/nsDOMTextEvent.h
rename : content/events/src/nsDOMTouchEvent.cpp => dom/events/nsDOMTouchEvent.cpp
rename : content/events/src/nsDOMTouchEvent.h => dom/events/nsDOMTouchEvent.h
rename : content/events/src/nsDOMTransitionEvent.cpp => dom/events/nsDOMTransitionEvent.cpp
rename : content/events/src/nsDOMTransitionEvent.h => dom/events/nsDOMTransitionEvent.h
rename : content/events/src/nsDOMUIEvent.cpp => dom/events/nsDOMUIEvent.cpp
rename : content/events/src/nsDOMUIEvent.h => dom/events/nsDOMUIEvent.h
rename : content/events/src/nsDOMXULCommandEvent.cpp => dom/events/nsDOMXULCommandEvent.cpp
rename : content/events/src/nsDOMXULCommandEvent.h => dom/events/nsDOMXULCommandEvent.h
rename : content/events/src/nsEventDispatcher.cpp => dom/events/nsEventDispatcher.cpp
rename : content/events/public/nsEventDispatcher.h => dom/events/nsEventDispatcher.h
rename : content/events/src/nsEventListenerManager.cpp => dom/events/nsEventListenerManager.cpp
rename : content/events/src/nsEventListenerManager.h => dom/events/nsEventListenerManager.h
rename : content/events/src/nsEventListenerService.cpp => dom/events/nsEventListenerService.cpp
rename : content/events/src/nsEventListenerService.h => dom/events/nsEventListenerService.h
rename : content/events/public/nsEventNameList.h => dom/events/nsEventNameList.h
rename : content/events/src/nsEventStateManager.cpp => dom/events/nsEventStateManager.cpp
rename : content/events/src/nsEventStateManager.h => dom/events/nsEventStateManager.h
rename : content/events/public/nsEventStates.h => dom/events/nsEventStates.h
rename : content/events/public/nsIEventListenerService.idl => dom/events/nsIEventListenerService.idl
rename : dom/base/nsIJSEventListener.h => dom/events/nsIJSEventListener.h
rename : content/events/src/nsIMEStateManager.cpp => dom/events/nsIMEStateManager.cpp
rename : content/events/src/nsIMEStateManager.h => dom/events/nsIMEStateManager.h
rename : content/events/public/nsIPrivateTextEvent.h => dom/events/nsIPrivateTextEvent.h
rename : content/events/public/nsIPrivateTextRange.h => dom/events/nsIPrivateTextRange.h
rename : dom/src/events/nsJSEventListener.cpp => dom/events/nsJSEventListener.cpp
rename : dom/src/events/nsJSEventListener.h => dom/events/nsJSEventListener.h
rename : content/events/src/nsPaintRequest.cpp => dom/events/nsPaintRequest.cpp
rename : content/events/src/nsPaintRequest.h => dom/events/nsPaintRequest.h
rename : content/events/src/nsPrivateTextRange.cpp => dom/events/nsPrivateTextRange.cpp
rename : content/events/src/nsPrivateTextRange.h => dom/events/nsPrivateTextRange.h
rename : content/events/public/nsVKList.h => dom/events/nsVKList.h
rename : content/events/test/bug226361_iframe.xhtml => dom/events/test/bug226361_iframe.xhtml
rename : content/events/test/bug299673.js => dom/events/test/bug299673.js
rename : content/events/test/bug322588-popup.html => dom/events/test/bug322588-popup.html
rename : content/events/test/bug415498-doc1.html => dom/events/test/bug415498-doc1.html
rename : content/events/test/bug415498-doc2.html => dom/events/test/bug415498-doc2.html
rename : content/events/test/bug426082.html => dom/events/test/bug426082.html
rename : content/events/test/bug457672.html => dom/events/test/bug457672.html
rename : content/events/test/bug591249_iframe.xul => dom/events/test/bug591249_iframe.xul
rename : content/events/test/bug602962.xul => dom/events/test/bug602962.xul
rename : content/events/test/bug656379-1.html => dom/events/test/bug656379-1.html
rename : content/events/test/chrome.ini => dom/events/test/chrome.ini
rename : content/events/test/empty.js => dom/events/test/empty.js
rename : content/events/test/file_bug679494.html => dom/events/test/file_bug679494.html
rename : content/events/test/mochitest.ini => dom/events/test/mochitest.ini
rename : content/events/test/test_addEventListenerExtraArg.html => dom/events/test/test_addEventListenerExtraArg.html
rename : content/events/test/test_all_synthetic_events.html => dom/events/test/test_all_synthetic_events.html
rename : content/events/test/test_bug226361.xhtml => dom/events/test/test_bug226361.xhtml
rename : content/events/test/test_bug238987.html => dom/events/test/test_bug238987.html
rename : content/events/test/test_bug288392.html => dom/events/test/test_bug288392.html
rename : content/events/test/test_bug299673-1.html => dom/events/test/test_bug299673-1.html
rename : content/events/test/test_bug299673-2.html => dom/events/test/test_bug299673-2.html
rename : content/events/test/test_bug322588.html => dom/events/test/test_bug322588.html
rename : content/events/test/test_bug328885.html => dom/events/test/test_bug328885.html
rename : content/events/test/test_bug336682.js => dom/events/test/test_bug336682.js
rename : content/events/test/test_bug336682_1.html => dom/events/test/test_bug336682_1.html
rename : content/events/test/test_bug336682_2.xul => dom/events/test/test_bug336682_2.xul
rename : content/events/test/test_bug367781.html => dom/events/test/test_bug367781.html
rename : content/events/test/test_bug368835.html => dom/events/test/test_bug368835.html
rename : content/events/test/test_bug379120.html => dom/events/test/test_bug379120.html
rename : content/events/test/test_bug391568.xhtml => dom/events/test/test_bug391568.xhtml
rename : content/events/test/test_bug402089.html => dom/events/test/test_bug402089.html
rename : content/events/test/test_bug405632.html => dom/events/test/test_bug405632.html
rename : content/events/test/test_bug409604.html => dom/events/test/test_bug409604.html
rename : content/events/test/test_bug412567.html => dom/events/test/test_bug412567.html
rename : content/events/test/test_bug415498.xul => dom/events/test/test_bug415498.xul
rename : content/events/test/test_bug422132.html => dom/events/test/test_bug422132.html
rename : content/events/test/test_bug426082.html => dom/events/test/test_bug426082.html
rename : content/events/test/test_bug427537.html => dom/events/test/test_bug427537.html
rename : content/events/test/test_bug428988.html => dom/events/test/test_bug428988.html
rename : content/events/test/test_bug432698.html => dom/events/test/test_bug432698.html
rename : content/events/test/test_bug443985.html => dom/events/test/test_bug443985.html
rename : content/events/test/test_bug447736.html => dom/events/test/test_bug447736.html
rename : content/events/test/test_bug448602.html => dom/events/test/test_bug448602.html
rename : content/events/test/test_bug450876.html => dom/events/test/test_bug450876.html
rename : content/events/test/test_bug456273.html => dom/events/test/test_bug456273.html
rename : content/events/test/test_bug457672.html => dom/events/test/test_bug457672.html
rename : content/events/test/test_bug489671.html => dom/events/test/test_bug489671.html
rename : content/events/test/test_bug493251.html => dom/events/test/test_bug493251.html
rename : content/events/test/test_bug502818.html => dom/events/test/test_bug502818.html
rename : content/events/test/test_bug508479.html => dom/events/test/test_bug508479.html
rename : content/events/test/test_bug517851.html => dom/events/test/test_bug517851.html
rename : content/events/test/test_bug534833.html => dom/events/test/test_bug534833.html
rename : content/events/test/test_bug545268.html => dom/events/test/test_bug545268.html
rename : content/events/test/test_bug547996-1.html => dom/events/test/test_bug547996-1.html
rename : content/events/test/test_bug547996-2.xhtml => dom/events/test/test_bug547996-2.xhtml
rename : content/events/test/test_bug556493.html => dom/events/test/test_bug556493.html
rename : content/events/test/test_bug563329.html => dom/events/test/test_bug563329.html
rename : content/events/test/test_bug574663.html => dom/events/test/test_bug574663.html
rename : content/events/test/test_bug586961.xul => dom/events/test/test_bug586961.xul
rename : content/events/test/test_bug591249.xul => dom/events/test/test_bug591249.xul
rename : content/events/test/test_bug591815.html => dom/events/test/test_bug591815.html
rename : content/events/test/test_bug593959.html => dom/events/test/test_bug593959.html
rename : content/events/test/test_bug602962.xul => dom/events/test/test_bug602962.xul
rename : content/events/test/test_bug603008.html => dom/events/test/test_bug603008.html
rename : content/events/test/test_bug605242.html => dom/events/test/test_bug605242.html
rename : content/events/test/test_bug607464.html => dom/events/test/test_bug607464.html
rename : content/events/test/test_bug613634.html => dom/events/test/test_bug613634.html
rename : content/events/test/test_bug615597.html => dom/events/test/test_bug615597.html
rename : content/events/test/test_bug617528.xul => dom/events/test/test_bug617528.xul
rename : content/events/test/test_bug624127.html => dom/events/test/test_bug624127.html
rename : content/events/test/test_bug635465.html => dom/events/test/test_bug635465.html
rename : content/events/test/test_bug641477.html => dom/events/test/test_bug641477.html
rename : content/events/test/test_bug648573.html => dom/events/test/test_bug648573.html
rename : content/events/test/test_bug650493.html => dom/events/test/test_bug650493.html
rename : content/events/test/test_bug656379-1.html => dom/events/test/test_bug656379-1.html
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rename : content/events/test/test_bug656954.html => dom/events/test/test_bug656954.html
rename : content/events/test/test_bug659071.html => dom/events/test/test_bug659071.html
rename : content/events/test/test_bug659350.html => dom/events/test/test_bug659350.html
rename : content/events/test/test_bug662678.html => dom/events/test/test_bug662678.html
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rename : content/events/test/test_bug741666.html => dom/events/test/test_bug741666.html
rename : content/events/test/test_bug742376.html => dom/events/test/test_bug742376.html
rename : content/events/test/test_bug812744.html => dom/events/test/test_bug812744.html
rename : content/events/test/test_bug822898.html => dom/events/test/test_bug822898.html
rename : content/events/test/test_bug847597.html => dom/events/test/test_bug847597.html
rename : content/events/test/test_bug855741.html => dom/events/test/test_bug855741.html
rename : content/events/test/test_bug864040.html => dom/events/test/test_bug864040.html
rename : content/events/test/test_bug930374-chrome.html => dom/events/test/test_bug930374-chrome.html
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rename : content/events/test/test_bug946632.html => dom/events/test/test_bug946632.html
rename : content/events/test/test_clickevent_on_input.html => dom/events/test/test_clickevent_on_input.html
rename : content/events/test/test_continuous_wheel_events.html => dom/events/test/test_continuous_wheel_events.html
rename : content/events/test/test_dblclick_explicit_original_target.html => dom/events/test/test_dblclick_explicit_original_target.html
rename : content/events/test/test_dom_keyboard_event.html => dom/events/test/test_dom_keyboard_event.html
rename : content/events/test/test_dom_mouse_event.html => dom/events/test/test_dom_mouse_event.html
rename : content/events/test/test_dom_wheel_event.html => dom/events/test/test_dom_wheel_event.html
rename : content/events/test/test_draggableprop.html => dom/events/test/test_draggableprop.html
rename : content/events/test/test_dragstart.html => dom/events/test/test_dragstart.html
rename : content/events/test/test_eventctors.html => dom/events/test/test_eventctors.html
rename : content/events/test/test_eventctors.xul => dom/events/test/test_eventctors.xul
rename : content/events/test/test_focus_disabled.html => dom/events/test/test_focus_disabled.html
rename : content/events/test/test_messageEvent.html => dom/events/test/test_messageEvent.html
rename : content/events/test/test_moz_mouse_pixel_scroll_event.html => dom/events/test/test_moz_mouse_pixel_scroll_event.html
rename : content/events/test/test_wheel_default_action.html => dom/events/test/test_wheel_default_action.html
rename : content/events/test/window_bug493251.html => dom/events/test/window_bug493251.html
rename : content/events/test/window_bug617528.xul => dom/events/test/window_bug617528.xul
rename : content/events/test/window_bug659071.html => dom/events/test/window_bug659071.html
rename : content/events/test/window_wheel_default_action.html => dom/events/test/window_wheel_default_action.html
extra : rebase_source : 5eb1db8f1791b8842ddc683e3c0ea13e4e3a933b
2014-01-10 16:03:25 +13:00

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/* -*- Mode: C++; tab-width: 2; 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/. */
#ifndef nsIJSEventListener_h__
#define nsIJSEventListener_h__
#include "nsIScriptContext.h"
#include "xpcpublic.h"
#include "nsIDOMEventListener.h"
#include "nsIAtom.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/dom/EventHandlerBinding.h"
#define NS_IJSEVENTLISTENER_IID \
{ 0x5077b12a, 0x5a1f, 0x4583, \
{ 0xbb, 0xa7, 0x78, 0x84, 0x94, 0x0e, 0x5e, 0xff } }
class nsEventHandler
{
public:
typedef mozilla::dom::EventHandlerNonNull EventHandlerNonNull;
typedef mozilla::dom::OnBeforeUnloadEventHandlerNonNull
OnBeforeUnloadEventHandlerNonNull;
typedef mozilla::dom::OnErrorEventHandlerNonNull OnErrorEventHandlerNonNull;
typedef mozilla::dom::CallbackFunction CallbackFunction;
enum HandlerType {
eUnset = 0,
eNormal = 0x1,
eOnError = 0x2,
eOnBeforeUnload = 0x3,
eTypeBits = 0x3
};
nsEventHandler() :
mBits(0)
{}
nsEventHandler(EventHandlerNonNull* aHandler)
{
Assign(aHandler, eNormal);
}
nsEventHandler(OnErrorEventHandlerNonNull* aHandler)
{
Assign(aHandler, eOnError);
}
nsEventHandler(OnBeforeUnloadEventHandlerNonNull* aHandler)
{
Assign(aHandler, eOnBeforeUnload);
}
nsEventHandler(const nsEventHandler& aOther)
{
if (aOther.HasEventHandler()) {
// Have to make sure we take our own ref
Assign(aOther.Ptr(), aOther.Type());
} else {
mBits = 0;
}
}
~nsEventHandler()
{
ReleaseHandler();
}
HandlerType Type() const {
return HandlerType(mBits & eTypeBits);
}
bool HasEventHandler() const
{
return !!Ptr();
}
void SetHandler(const nsEventHandler& aHandler)
{
if (aHandler.HasEventHandler()) {
ReleaseHandler();
Assign(aHandler.Ptr(), aHandler.Type());
} else {
ForgetHandler();
}
}
EventHandlerNonNull* EventHandler() const
{
MOZ_ASSERT(Type() == eNormal && Ptr());
return reinterpret_cast<EventHandlerNonNull*>(Ptr());
}
void SetHandler(EventHandlerNonNull* aHandler)
{
ReleaseHandler();
Assign(aHandler, eNormal);
}
OnBeforeUnloadEventHandlerNonNull* OnBeforeUnloadEventHandler() const
{
MOZ_ASSERT(Type() == eOnBeforeUnload);
return reinterpret_cast<OnBeforeUnloadEventHandlerNonNull*>(Ptr());
}
void SetHandler(OnBeforeUnloadEventHandlerNonNull* aHandler)
{
ReleaseHandler();
Assign(aHandler, eOnBeforeUnload);
}
OnErrorEventHandlerNonNull* OnErrorEventHandler() const
{
MOZ_ASSERT(Type() == eOnError);
return reinterpret_cast<OnErrorEventHandlerNonNull*>(Ptr());
}
void SetHandler(OnErrorEventHandlerNonNull* aHandler)
{
ReleaseHandler();
Assign(aHandler, eOnError);
}
CallbackFunction* Ptr() const
{
// Have to cast eTypeBits so we don't have to worry about
// promotion issues after the bitflip.
return reinterpret_cast<CallbackFunction*>(mBits & ~uintptr_t(eTypeBits));
}
void ForgetHandler()
{
ReleaseHandler();
mBits = 0;
}
bool operator==(const nsEventHandler& aOther) const
{
return
Ptr() && aOther.Ptr() &&
Ptr()->CallbackPreserveColor() == aOther.Ptr()->CallbackPreserveColor();
}
private:
void operator=(const nsEventHandler&) MOZ_DELETE;
void ReleaseHandler()
{
nsISupports* ptr = Ptr();
NS_IF_RELEASE(ptr);
}
void Assign(nsISupports* aHandler, HandlerType aType) {
MOZ_ASSERT(aHandler, "Must have handler");
NS_ADDREF(aHandler);
mBits = uintptr_t(aHandler) | uintptr_t(aType);
}
uintptr_t mBits;
};
// Implemented by script event listeners. Used to retrieve the
// script object corresponding to the event target and the handler itself.
// (Note this interface is now used to store script objects for all
// script languages, so is no longer JS specific)
//
// Note, mTarget is a raw pointer and the owner of the nsIJSEventListener object
// is expected to call Disconnect()!
class nsIJSEventListener : public nsIDOMEventListener
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_IJSEVENTLISTENER_IID)
nsIJSEventListener(JSObject* aScopeObject,
nsISupports *aTarget, nsIAtom* aType,
const nsEventHandler& aHandler)
: mScopeObject(aScopeObject), mEventName(aType), mHandler(aHandler)
{
nsCOMPtr<nsISupports> base = do_QueryInterface(aTarget);
mTarget = base.get();
}
nsISupports *GetEventTarget() const
{
return mTarget;
}
void Disconnect()
{
mTarget = nullptr;
}
// Can return null if we already have a handler.
JSObject* GetEventScope() const
{
if (!mScopeObject) {
return nullptr;
}
JS::ExposeObjectToActiveJS(mScopeObject);
return mScopeObject;
}
const nsEventHandler& GetHandler() const
{
return mHandler;
}
void ForgetHandler()
{
mHandler.ForgetHandler();
}
nsIAtom* EventName() const
{
return mEventName;
}
// Set a handler for this event listener. The handler must already
// be bound to the right target.
void SetHandler(const nsEventHandler& aHandler,
JS::Handle<JSObject*> aScopeObject)
{
mHandler.SetHandler(aHandler);
UpdateScopeObject(aScopeObject);
}
void SetHandler(mozilla::dom::EventHandlerNonNull* aHandler)
{
mHandler.SetHandler(aHandler);
}
void SetHandler(mozilla::dom::OnBeforeUnloadEventHandlerNonNull* aHandler)
{
mHandler.SetHandler(aHandler);
}
void SetHandler(mozilla::dom::OnErrorEventHandlerNonNull* aHandler)
{
mHandler.SetHandler(aHandler);
}
virtual size_t SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
{
return 0;
// Measurement of the following members may be added later if DMD finds it
// is worthwhile:
// - mTarget
//
// The following members are not measured:
// - mScopeObject: because they're measured by the JS memory
// reporters
// - mHandler: may be shared with others
// - mEventName: shared with others
}
virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
{
return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
}
protected:
virtual ~nsIJSEventListener()
{
NS_ASSERTION(!mTarget, "Should have called Disconnect()!");
}
// Update our mScopeObject; we have to make sure we properly handle
// the hold/drop stuff, so have to do it in nsJSEventListener.
virtual void UpdateScopeObject(JS::Handle<JSObject*> aScopeObject) = 0;
JS::Heap<JSObject*> mScopeObject;
nsISupports* mTarget;
nsCOMPtr<nsIAtom> mEventName;
nsEventHandler mHandler;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsIJSEventListener, NS_IJSEVENTLISTENER_IID)
/* factory function. aHandler must already be bound to aTarget.
aContext is allowed to be null if aHandler is already set up.
*/
nsresult NS_NewJSEventListener(JSObject* aScopeObject, nsISupports* aTarget,
nsIAtom* aType, const nsEventHandler& aHandler,
nsIJSEventListener **aReturn);
#endif // nsIJSEventListener_h__