1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #include "CustomEvent.h"
8 #include "mozilla/dom/CustomEventBinding.h"
10 #include "mozilla/dom/BindingUtils.h"
11 #include "mozilla/HoldDropJSObjects.h"
12 #include "nsContentUtils.h"
14 using namespace mozilla
;
15 using namespace mozilla::dom
;
17 CustomEvent::CustomEvent(mozilla::dom::EventTarget
* aOwner
,
18 nsPresContext
* aPresContext
,
19 mozilla::WidgetEvent
* aEvent
)
20 : Event(aOwner
, aPresContext
, aEvent
), mDetail(JS::NullValue()) {
21 mozilla::HoldJSObjects(this);
24 CustomEvent::~CustomEvent() { mozilla::DropJSObjects(this); }
26 NS_IMPL_CYCLE_COLLECTION_CLASS(CustomEvent
)
27 NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(CustomEvent
, Event
)
28 mozilla::DropJSObjects(tmp
);
29 NS_IMPL_CYCLE_COLLECTION_UNLINK_END
31 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(CustomEvent
, Event
)
32 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
34 NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(CustomEvent
, Event
)
35 NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mDetail
)
36 NS_IMPL_CYCLE_COLLECTION_TRACE_END
38 NS_IMPL_ADDREF_INHERITED(CustomEvent
, Event
)
39 NS_IMPL_RELEASE_INHERITED(CustomEvent
, Event
)
41 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CustomEvent
)
42 NS_INTERFACE_MAP_END_INHERITING(Event
)
44 already_AddRefed
<CustomEvent
> CustomEvent::Constructor(
45 const GlobalObject
& aGlobal
, const nsAString
& aType
,
46 const CustomEventInit
& aParam
) {
47 nsCOMPtr
<mozilla::dom::EventTarget
> t
=
48 do_QueryInterface(aGlobal
.GetAsSupports());
49 RefPtr
<CustomEvent
> e
= new CustomEvent(t
, nullptr, nullptr);
50 bool trusted
= e
->Init(t
);
51 JS::Rooted
<JS::Value
> detail(aGlobal
.Context(), aParam
.mDetail
);
52 e
->InitCustomEvent(aGlobal
.Context(), aType
, aParam
.mBubbles
,
53 aParam
.mCancelable
, detail
);
54 e
->SetTrusted(trusted
);
55 e
->SetComposed(aParam
.mComposed
);
59 JSObject
* CustomEvent::WrapObjectInternal(JSContext
* aCx
,
60 JS::Handle
<JSObject
*> aGivenProto
) {
61 return mozilla::dom::CustomEvent_Binding::Wrap(aCx
, this, aGivenProto
);
64 void CustomEvent::InitCustomEvent(JSContext
* aCx
, const nsAString
& aType
,
65 bool aCanBubble
, bool aCancelable
,
66 JS::Handle
<JS::Value
> aDetail
) {
67 NS_ENSURE_TRUE_VOID(!mEvent
->mFlags
.mIsBeingDispatched
);
69 Event::InitEvent(aType
, aCanBubble
, aCancelable
);
73 void CustomEvent::GetDetail(JSContext
* aCx
,
74 JS::MutableHandle
<JS::Value
> aRetval
) {
78 already_AddRefed
<CustomEvent
> NS_NewDOMCustomEvent(
79 EventTarget
* aOwner
, nsPresContext
* aPresContext
,
80 mozilla::WidgetEvent
* aEvent
) {
81 RefPtr
<CustomEvent
> it
= new CustomEvent(aOwner
, aPresContext
, aEvent
);