The Tor Browser / file comparison
comparison: dom/events/ClipboardEvent.cpp
dom/events/ClipboardEvent.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:e8be33ff92da |
|---|---|
| 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/ClipboardEvent.h" | |
| 7 #include "mozilla/ContentEvents.h" | |
| 8 #include "mozilla/dom/DataTransfer.h" | |
| 9 #include "nsIClipboard.h" | |
| 10 | |
| 11 namespace mozilla { | |
| 12 namespace dom { | |
| 13 | |
| 14 ClipboardEvent::ClipboardEvent(EventTarget* aOwner, | |
| 15 nsPresContext* aPresContext, | |
| 16 InternalClipboardEvent* aEvent) | |
| 17 : Event(aOwner, aPresContext, | |
| 18 aEvent ? aEvent : new InternalClipboardEvent(false, 0)) | |
| 19 { | |
| 20 if (aEvent) { | |
| 21 mEventIsInternal = false; | |
| 22 } else { | |
| 23 mEventIsInternal = true; | |
| 24 mEvent->time = PR_Now(); | |
| 25 } | |
| 26 } | |
| 27 | |
| 28 NS_INTERFACE_MAP_BEGIN(ClipboardEvent) | |
| 29 NS_INTERFACE_MAP_ENTRY(nsIDOMClipboardEvent) | |
| 30 NS_INTERFACE_MAP_END_INHERITING(Event) | |
| 31 | |
| 32 NS_IMPL_ADDREF_INHERITED(ClipboardEvent, Event) | |
| 33 NS_IMPL_RELEASE_INHERITED(ClipboardEvent, Event) | |
| 34 | |
| 35 nsresult | |
| 36 ClipboardEvent::InitClipboardEvent(const nsAString& aType, | |
| 37 bool aCanBubble, | |
| 38 bool aCancelable, | |
| 39 nsIDOMDataTransfer* aClipboardData) | |
| 40 { | |
| 41 nsCOMPtr<DataTransfer> clipboardData = do_QueryInterface(aClipboardData); | |
| 42 // Null clipboardData is OK | |
| 43 | |
| 44 ErrorResult rv; | |
| 45 InitClipboardEvent(aType, aCanBubble, aCancelable, clipboardData, rv); | |
| 46 | |
| 47 return rv.ErrorCode(); | |
| 48 } | |
| 49 | |
| 50 void | |
| 51 ClipboardEvent::InitClipboardEvent(const nsAString& aType, bool aCanBubble, | |
| 52 bool aCancelable, | |
| 53 DataTransfer* aClipboardData, | |
| 54 ErrorResult& aError) | |
| 55 { | |
| 56 aError = Event::InitEvent(aType, aCanBubble, aCancelable); | |
| 57 if (aError.Failed()) { | |
| 58 return; | |
| 59 } | |
| 60 | |
| 61 mEvent->AsClipboardEvent()->clipboardData = aClipboardData; | |
| 62 } | |
| 63 | |
| 64 already_AddRefed<ClipboardEvent> | |
| 65 ClipboardEvent::Constructor(const GlobalObject& aGlobal, | |
| 66 const nsAString& aType, | |
| 67 const ClipboardEventInit& aParam, | |
| 68 ErrorResult& aRv) | |
| 69 { | |
| 70 nsCOMPtr<EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports()); | |
| 71 nsRefPtr<ClipboardEvent> e = new ClipboardEvent(t, nullptr, nullptr); | |
| 72 bool trusted = e->Init(t); | |
| 73 | |
| 74 nsRefPtr<DataTransfer> clipboardData; | |
| 75 if (e->mEventIsInternal) { | |
| 76 InternalClipboardEvent* event = e->mEvent->AsClipboardEvent(); | |
| 77 if (event) { | |
| 78 // Always create a clipboardData for the copy event. If this is changed to | |
| 79 // support other types of events, make sure that read/write privileges are | |
| 80 // checked properly within DataTransfer. | |
| 81 clipboardData = new DataTransfer(ToSupports(e), NS_COPY, false, -1); | |
| 82 clipboardData->SetData(aParam.mDataType, aParam.mData); | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 e->InitClipboardEvent(aType, aParam.mBubbles, aParam.mCancelable, | |
| 87 clipboardData, aRv); | |
| 88 e->SetTrusted(trusted); | |
| 89 return e.forget(); | |
| 90 } | |
| 91 | |
| 92 NS_IMETHODIMP | |
| 93 ClipboardEvent::GetClipboardData(nsIDOMDataTransfer** aClipboardData) | |
| 94 { | |
| 95 NS_IF_ADDREF(*aClipboardData = GetClipboardData()); | |
| 96 return NS_OK; | |
| 97 } | |
| 98 | |
| 99 DataTransfer* | |
| 100 ClipboardEvent::GetClipboardData() | |
| 101 { | |
| 102 InternalClipboardEvent* event = mEvent->AsClipboardEvent(); | |
| 103 | |
| 104 if (!event->clipboardData) { | |
| 105 if (mEventIsInternal) { | |
| 106 event->clipboardData = | |
| 107 new DataTransfer(ToSupports(this), NS_COPY, false, -1); | |
| 108 } else { | |
| 109 event->clipboardData = | |
| 110 new DataTransfer(ToSupports(this), event->message, | |
| 111 event->message == NS_PASTE, | |
| 112 nsIClipboard::kGlobalClipboard); | |
| 113 } | |
| 114 } | |
| 115 | |
| 116 return event->clipboardData; | |
| 117 } | |
| 118 | |
| 119 } // namespace dom | |
| 120 } // namespace mozilla | |
| 121 | |
| 122 using namespace mozilla; | |
| 123 using namespace mozilla::dom; | |
| 124 | |
| 125 nsresult | |
| 126 NS_NewDOMClipboardEvent(nsIDOMEvent** aInstancePtrResult, | |
| 127 EventTarget* aOwner, | |
| 128 nsPresContext* aPresContext, | |
| 129 InternalClipboardEvent* aEvent) | |
| 130 { | |
| 131 ClipboardEvent* it = new ClipboardEvent(aOwner, aPresContext, aEvent); | |
| 132 NS_ADDREF(it); | |
| 133 *aInstancePtrResult = static_cast<Event*>(it); | |
| 134 return NS_OK; | |
| 135 } |
