1 files changed, 118 insertions, 0 deletions
diff --git a/dom/events/InputEvent.cpp b/dom/events/InputEvent.cpp
new file mode 100644
index 0000000000..45754b1d82
--- /dev/null
+++ b/dom/events/InputEvent.cpp
@@ -0,0 +1,118 @@
+/* -*- 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/InputEvent.h"
+#include "mozilla/TextEvents.h"
+#include "mozilla/StaticPrefs_dom.h"
+#include "prtime.h"
+
+namespace mozilla::dom {
+
+InputEvent::InputEvent(EventTarget* aOwner, nsPresContext* aPresContext,
+                       InternalEditorInputEvent* aEvent)
+    : UIEvent(aOwner, aPresContext,
+              aEvent
+                  ? aEvent
+                  : new InternalEditorInputEvent(false, eVoidEvent, nullptr)) {
+  NS_ASSERTION(mEvent->mClass == eEditorInputEventClass, "event type mismatch");
+
+  if (aEvent) {
+    mEventIsInternal = false;
+  } else {
+    mEventIsInternal = true;
+  }
+}
+
+void InputEvent::GetData(nsAString& aData, CallerType aCallerType) {
+  InternalEditorInputEvent* editorInputEvent = mEvent->AsEditorInputEvent();
+  MOZ_ASSERT(editorInputEvent);
+  // If clipboard event is disabled, user may not want to leak clipboard
+  // information via DOM events.  If so, we should return empty string instead.
+  if (mEvent->IsTrusted() && aCallerType != CallerType::System &&
+      !StaticPrefs::dom_event_clipboardevents_enabled() &&
+      ExposesClipboardDataOrDataTransfer(editorInputEvent->mInputType)) {
+    aData = editorInputEvent->mData.IsVoid() ? VoidString() : u""_ns;
+    return;
+  }
+  aData = editorInputEvent->mData;
+}
+
+already_AddRefed<DataTransfer> InputEvent::GetDataTransfer(
+    CallerType aCallerType) {
+  InternalEditorInputEvent* editorInputEvent = mEvent->AsEditorInputEvent();
+  MOZ_ASSERT(editorInputEvent);
+  // If clipboard event is disabled, user may not want to leak clipboard
+  // information via DOM events.  If so, we should return DataTransfer which
+  // has empty string instead.  The reason why we make it have empty string is,
+  // web apps may not expect that InputEvent.dataTransfer returns empty and
+  // non-null DataTransfer instance.
+  if (mEvent->IsTrusted() && aCallerType != CallerType::System &&
+      !StaticPrefs::dom_event_clipboardevents_enabled() &&
+      ExposesClipboardDataOrDataTransfer(editorInputEvent->mInputType)) {
+    if (!editorInputEvent->mDataTransfer) {
+      return nullptr;
+    }
+    return do_AddRef(
+        new DataTransfer(editorInputEvent->mDataTransfer->GetParentObject(),
+                         editorInputEvent->mMessage, u""_ns));
+  }
+  return do_AddRef(editorInputEvent->mDataTransfer);
+}
+
+void InputEvent::GetInputType(nsAString& aInputType) {
+  InternalEditorInputEvent* editorInputEvent = mEvent->AsEditorInputEvent();
+  MOZ_ASSERT(editorInputEvent);
+  if (editorInputEvent->mInputType == EditorInputType::eUnknown) {
+    aInputType = mInputTypeValue;
+  } else {
+    editorInputEvent->GetDOMInputTypeName(aInputType);
+  }
+}
+
+void InputEvent::GetTargetRanges(nsTArray<RefPtr<StaticRange>>& aTargetRanges) {
+  MOZ_ASSERT(aTargetRanges.IsEmpty());
+  MOZ_ASSERT(mEvent->AsEditorInputEvent());
+  aTargetRanges.AppendElements(mEvent->AsEditorInputEvent()->mTargetRanges);
+}
+
+bool InputEvent::IsComposing() {
+  return mEvent->AsEditorInputEvent()->mIsComposing;
+}
+
+already_AddRefed<InputEvent> InputEvent::Constructor(
+    const GlobalObject& aGlobal, const nsAString& aType,
+    const InputEventInit& aParam) {
+  nsCOMPtr<EventTarget> t = do_QueryInterface(aGlobal.GetAsSupports());
+  RefPtr<InputEvent> e = new InputEvent(t, nullptr, nullptr);
+  bool trusted = e->Init(t);
+  e->InitUIEvent(aType, aParam.mBubbles, aParam.mCancelable, aParam.mView,
+                 aParam.mDetail);
+  InternalEditorInputEvent* internalEvent = e->mEvent->AsEditorInputEvent();
+  internalEvent->mInputType =
+      InternalEditorInputEvent::GetEditorInputType(aParam.mInputType);
+  if (internalEvent->mInputType == EditorInputType::eUnknown) {
+    e->mInputTypeValue = aParam.mInputType;
+  }
+  internalEvent->mData = aParam.mData;
+  internalEvent->mDataTransfer = aParam.mDataTransfer;
+  internalEvent->mTargetRanges = aParam.mTargetRanges;
+  internalEvent->mIsComposing = aParam.mIsComposing;
+  e->SetTrusted(trusted);
+  e->SetComposed(aParam.mComposed);
+  return e.forget();
+}
+
+}  // namespace mozilla::dom
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+already_AddRefed<InputEvent> NS_NewDOMInputEvent(
+    EventTarget* aOwner, nsPresContext* aPresContext,
+    InternalEditorInputEvent* aEvent) {
+  RefPtr<InputEvent> it = new InputEvent(aOwner, aPresContext, aEvent);
+  return it.forget();
+}