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-rw-r--r--dom/events/ClipboardEvent.cpp134
1 files changed, 134 insertions, 0 deletions
diff --git a/dom/events/ClipboardEvent.cpp b/dom/events/ClipboardEvent.cpp
new file mode 100644
index 000000000..cff1eb621
--- /dev/null
+++ b/dom/events/ClipboardEvent.cpp
@@ -0,0 +1,134 @@
+/* -*- 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/. */
+
+#include "mozilla/dom/ClipboardEvent.h"
+#include "mozilla/ContentEvents.h"
+#include "mozilla/dom/DataTransfer.h"
+#include "nsIClipboard.h"
+
+namespace mozilla {
+namespace dom {
+
+ClipboardEvent::ClipboardEvent(EventTarget* aOwner,
+ nsPresContext* aPresContext,
+ InternalClipboardEvent* aEvent)
+ : Event(aOwner, aPresContext,
+ aEvent ? aEvent : new InternalClipboardEvent(false, eVoidEvent))
+{
+ if (aEvent) {
+ mEventIsInternal = false;
+ } else {
+ mEventIsInternal = true;
+ mEvent->mTime = PR_Now();
+ }
+}
+
+NS_INTERFACE_MAP_BEGIN(ClipboardEvent)
+ NS_INTERFACE_MAP_ENTRY(nsIDOMClipboardEvent)
+NS_INTERFACE_MAP_END_INHERITING(Event)
+
+NS_IMPL_ADDREF_INHERITED(ClipboardEvent, Event)
+NS_IMPL_RELEASE_INHERITED(ClipboardEvent, Event)
+
+nsresult
+ClipboardEvent::InitClipboardEvent(const nsAString& aType,
+ bool aCanBubble,
+ bool aCancelable,
+ nsIDOMDataTransfer* aClipboardData)
+{
+ nsCOMPtr<DataTransfer> clipboardData = do_QueryInterface(aClipboardData);
+ // Null clipboardData is OK
+
+ ErrorResult rv;
+ InitClipboardEvent(aType, aCanBubble, aCancelable, clipboardData);
+
+ return rv.StealNSResult();
+}
+
+void
+ClipboardEvent::InitClipboardEvent(const nsAString& aType, bool aCanBubble,
+ bool aCancelable,
+ DataTransfer* aClipboardData)
+{
+ NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
+
+ Event::InitEvent(aType, aCanBubble, aCancelable);
+ mEvent->AsClipboardEvent()->mClipboardData = aClipboardData;
+}
+
+already_AddRefed<ClipboardEvent>
+ClipboardEvent::Constructor(const GlobalObject& aGlobal,
+ const nsAString& aType,
+ const ClipboardEventInit& aParam,
+ ErrorResult& aRv)
+{
+ nsCOMPtr<EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
+ RefPtr<ClipboardEvent> e = new ClipboardEvent(t, nullptr, nullptr);
+ bool trusted = e->Init(t);
+
+ RefPtr<DataTransfer> clipboardData;
+ if (e->mEventIsInternal) {
+ InternalClipboardEvent* event = e->mEvent->AsClipboardEvent();
+ if (event) {
+ // Always create a clipboardData for the copy event. If this is changed to
+ // support other types of events, make sure that read/write privileges are
+ // checked properly within DataTransfer.
+ clipboardData = new DataTransfer(ToSupports(e), eCopy, false, -1);
+ clipboardData->SetData(aParam.mDataType, aParam.mData,
+ *aGlobal.GetSubjectPrincipal(), aRv);
+ NS_ENSURE_TRUE(!aRv.Failed(), nullptr);
+ }
+ }
+
+ e->InitClipboardEvent(aType, aParam.mBubbles, aParam.mCancelable,
+ clipboardData);
+ e->SetTrusted(trusted);
+ e->SetComposed(aParam.mComposed);
+ return e.forget();
+}
+
+NS_IMETHODIMP
+ClipboardEvent::GetClipboardData(nsIDOMDataTransfer** aClipboardData)
+{
+ NS_IF_ADDREF(*aClipboardData = GetClipboardData());
+ return NS_OK;
+}
+
+DataTransfer*
+ClipboardEvent::GetClipboardData()
+{
+ InternalClipboardEvent* event = mEvent->AsClipboardEvent();
+
+ if (!event->mClipboardData) {
+ if (mEventIsInternal) {
+ event->mClipboardData =
+ new DataTransfer(ToSupports(this), eCopy, false, -1);
+ } else {
+ event->mClipboardData =
+ new DataTransfer(ToSupports(this), event->mMessage,
+ event->mMessage == ePaste,
+ nsIClipboard::kGlobalClipboard);
+ }
+ }
+
+ return event->mClipboardData;
+}
+
+} // namespace dom
+} // namespace mozilla
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+already_AddRefed<ClipboardEvent>
+NS_NewDOMClipboardEvent(EventTarget* aOwner,
+ nsPresContext* aPresContext,
+ InternalClipboardEvent* aEvent)
+{
+ RefPtr<ClipboardEvent> it =
+ new ClipboardEvent(aOwner, aPresContext, aEvent);
+ return it.forget();
+}