The Tor Browser / file comparison
comparison: dom/events/DataContainerEvent.cpp
dom/events/DataContainerEvent.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:a17e14b57f38 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "mozilla/dom/DataContainerEvent.h" | |
| 7 #include "nsContentUtils.h" | |
| 8 #include "nsIDocument.h" | |
| 9 #include "nsIXPConnect.h" | |
| 10 | |
| 11 namespace mozilla { | |
| 12 namespace dom { | |
| 13 | |
| 14 DataContainerEvent::DataContainerEvent(EventTarget* aOwner, | |
| 15 nsPresContext* aPresContext, | |
| 16 WidgetEvent* aEvent) | |
| 17 : Event(aOwner, aPresContext, aEvent) | |
| 18 { | |
| 19 if (mOwner) { | |
| 20 if (nsIDocument* doc = mOwner->GetExtantDoc()) { | |
| 21 doc->WarnOnceAbout(nsIDocument::eDataContainerEvent); | |
| 22 } | |
| 23 } | |
| 24 } | |
| 25 | |
| 26 NS_IMPL_CYCLE_COLLECTION_CLASS(DataContainerEvent) | |
| 27 | |
| 28 NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(DataContainerEvent, Event) | |
| 29 tmp->mData.Clear(); | |
| 30 NS_IMPL_CYCLE_COLLECTION_UNLINK_END | |
| 31 | |
| 32 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(DataContainerEvent, Event) | |
| 33 tmp->mData.EnumerateRead(TraverseEntry, &cb); | |
| 34 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END | |
| 35 | |
| 36 NS_IMPL_ADDREF_INHERITED(DataContainerEvent, Event) | |
| 37 NS_IMPL_RELEASE_INHERITED(DataContainerEvent, Event) | |
| 38 | |
| 39 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(DataContainerEvent) | |
| 40 NS_INTERFACE_MAP_ENTRY(nsIDOMDataContainerEvent) | |
| 41 NS_INTERFACE_MAP_END_INHERITING(Event) | |
| 42 | |
| 43 NS_IMETHODIMP | |
| 44 DataContainerEvent::GetData(const nsAString& aKey, nsIVariant** aData) | |
| 45 { | |
| 46 NS_ENSURE_ARG_POINTER(aData); | |
| 47 | |
| 48 mData.Get(aKey, aData); | |
| 49 return NS_OK; | |
| 50 } | |
| 51 | |
| 52 NS_IMETHODIMP | |
| 53 DataContainerEvent::SetData(const nsAString& aKey, nsIVariant* aData) | |
| 54 { | |
| 55 NS_ENSURE_ARG(aData); | |
| 56 | |
| 57 // Make sure this event isn't already being dispatched. | |
| 58 NS_ENSURE_STATE(!mEvent->mFlags.mIsBeingDispatched); | |
| 59 mData.Put(aKey, aData); | |
| 60 return NS_OK; | |
| 61 } | |
| 62 | |
| 63 void | |
| 64 DataContainerEvent::SetData(JSContext* aCx, const nsAString& aKey, | |
| 65 JS::Handle<JS::Value> aVal, | |
| 66 ErrorResult& aRv) | |
| 67 { | |
| 68 if (!nsContentUtils::XPConnect()) { | |
| 69 aRv = NS_ERROR_FAILURE; | |
| 70 return; | |
| 71 } | |
| 72 nsCOMPtr<nsIVariant> val; | |
| 73 nsresult rv = | |
| 74 nsContentUtils::XPConnect()->JSToVariant(aCx, aVal, getter_AddRefs(val)); | |
| 75 if (NS_FAILED(rv)) { | |
| 76 aRv = rv; | |
| 77 return; | |
| 78 } | |
| 79 aRv = SetData(aKey, val); | |
| 80 } | |
| 81 | |
| 82 PLDHashOperator | |
| 83 DataContainerEvent::TraverseEntry(const nsAString& aKey, | |
| 84 nsIVariant* aDataItem, | |
| 85 void* aUserArg) | |
| 86 { | |
| 87 nsCycleCollectionTraversalCallback *cb = | |
| 88 static_cast<nsCycleCollectionTraversalCallback*>(aUserArg); | |
| 89 cb->NoteXPCOMChild(aDataItem); | |
| 90 | |
| 91 return PL_DHASH_NEXT; | |
| 92 } | |
| 93 | |
| 94 } // namespace dom | |
| 95 } // namespace mozilla | |
| 96 | |
| 97 using namespace mozilla; | |
| 98 using namespace mozilla::dom; | |
| 99 | |
| 100 nsresult | |
| 101 NS_NewDOMDataContainerEvent(nsIDOMEvent** aInstancePtrResult, | |
| 102 EventTarget* aOwner, | |
| 103 nsPresContext* aPresContext, | |
| 104 WidgetEvent* aEvent) | |
| 105 { | |
| 106 DataContainerEvent* it = new DataContainerEvent(aOwner, aPresContext, aEvent); | |
| 107 NS_ADDREF(it); | |
| 108 *aInstancePtrResult = static_cast<Event*>(it); | |
| 109 return NS_OK; | |
| 110 } | |
| 111 |
