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-rw-r--r--dom/events/CompositionEvent.cpp108
1 files changed, 108 insertions, 0 deletions
diff --git a/dom/events/CompositionEvent.cpp b/dom/events/CompositionEvent.cpp
new file mode 100644
index 0000000000..7e52b9e161
--- /dev/null
+++ b/dom/events/CompositionEvent.cpp
@@ -0,0 +1,108 @@
+/* -*- 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/CompositionEvent.h"
+#include "mozilla/TextEvents.h"
+#include "prtime.h"
+
+namespace mozilla::dom {
+
+CompositionEvent::CompositionEvent(EventTarget* aOwner,
+ nsPresContext* aPresContext,
+ WidgetCompositionEvent* aEvent)
+ : UIEvent(aOwner, aPresContext,
+ aEvent ? aEvent
+ : new WidgetCompositionEvent(false, eVoidEvent, nullptr)) {
+ NS_ASSERTION(mEvent->mClass == eCompositionEventClass, "event type mismatch");
+
+ if (aEvent) {
+ mEventIsInternal = false;
+ } else {
+ mEventIsInternal = true;
+
+ // XXX compositionstart is cancelable in draft of DOM3 Events.
+ // However, it doesn't make sence for us, we cannot cancel composition
+ // when we sends compositionstart event.
+ mEvent->mFlags.mCancelable = false;
+ }
+
+ // XXX Do we really need to duplicate the data value?
+ mData = mEvent->AsCompositionEvent()->mData;
+ // TODO: Native event should have locale information.
+}
+
+// static
+already_AddRefed<CompositionEvent> CompositionEvent::Constructor(
+ const GlobalObject& aGlobal, const nsAString& aType,
+ const CompositionEventInit& aParam) {
+ nsCOMPtr<EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
+ RefPtr<CompositionEvent> e = new CompositionEvent(t, nullptr, nullptr);
+ bool trusted = e->Init(t);
+ e->InitCompositionEvent(aType, aParam.mBubbles, aParam.mCancelable,
+ aParam.mView, aParam.mData, u""_ns);
+ e->mDetail = aParam.mDetail;
+ e->SetTrusted(trusted);
+ e->SetComposed(aParam.mComposed);
+ return e.forget();
+}
+
+NS_IMPL_CYCLE_COLLECTION_INHERITED(CompositionEvent, UIEvent, mRanges)
+
+NS_IMPL_ADDREF_INHERITED(CompositionEvent, UIEvent)
+NS_IMPL_RELEASE_INHERITED(CompositionEvent, UIEvent)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CompositionEvent)
+NS_INTERFACE_MAP_END_INHERITING(UIEvent)
+
+void CompositionEvent::GetData(nsAString& aData) const { aData = mData; }
+
+void CompositionEvent::GetLocale(nsAString& aLocale) const {
+ aLocale = mLocale;
+}
+
+void CompositionEvent::InitCompositionEvent(const nsAString& aType,
+ bool aCanBubble, bool aCancelable,
+ nsGlobalWindowInner* aView,
+ const nsAString& aData,
+ const nsAString& aLocale) {
+ NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
+
+ UIEvent::InitUIEvent(aType, aCanBubble, aCancelable, aView, 0);
+ mData = aData;
+ mLocale = aLocale;
+}
+
+void CompositionEvent::GetRanges(TextClauseArray& aRanges) {
+ // If the mRanges is not empty, we return the cached value.
+ if (!mRanges.IsEmpty()) {
+ aRanges = mRanges.Clone();
+ return;
+ }
+ RefPtr<TextRangeArray> textRangeArray = mEvent->AsCompositionEvent()->mRanges;
+ if (!textRangeArray) {
+ return;
+ }
+ nsCOMPtr<nsPIDOMWindowInner> window = do_QueryInterface(mOwner);
+ const TextRange* targetRange = textRangeArray->GetTargetClause();
+ for (size_t i = 0; i < textRangeArray->Length(); i++) {
+ const TextRange& range = textRangeArray->ElementAt(i);
+ mRanges.AppendElement(new TextClause(window, range, targetRange));
+ }
+ aRanges = mRanges.Clone();
+}
+
+} // namespace mozilla::dom
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+already_AddRefed<CompositionEvent> NS_NewDOMCompositionEvent(
+ EventTarget* aOwner, nsPresContext* aPresContext,
+ WidgetCompositionEvent* aEvent) {
+ RefPtr<CompositionEvent> event =
+ new CompositionEvent(aOwner, aPresContext, aEvent);
+ return event.forget();
+}