1 files changed, 75 insertions, 0 deletions
diff --git a/dom/events/InputEventOptions.h b/dom/events/InputEventOptions.h
new file mode 100644
index 0000000000..94096d759f
--- /dev/null
+++ b/dom/events/InputEventOptions.h
@@ -0,0 +1,75 @@
+/* -*- 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/. */
+
+#ifndef mozilla_InputEventOptions_h
+#define mozilla_InputEventOptions_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/TextEvents.h"
+#include "mozilla/dom/DataTransfer.h"
+#include "mozilla/dom/StaticRange.h"
+#include "nsString.h"
+#include "nsTArray.h"
+
+namespace mozilla {
+
+/**
+ * InputEventOptions is used by nsContentUtils::DispatchInputEvent() to specify
+ * some attributes of InputEvent.  It would be nice if this was in
+ * nsContentUtils.h, however, it needs to include StaticRange.h for declaring
+ * this.  That would cause unnecessary dependency and makes incremental build
+ * slower when you touch StaticRange.h even though most nsContentUtils.h users
+ * don't use it.  Therefore, this struct is declared in separated header file
+ * here.
+ */
+struct MOZ_STACK_CLASS InputEventOptions final {
+  enum class NeverCancelable {
+    No,
+    Yes,
+  };
+  InputEventOptions() : mDataTransfer(nullptr), mNeverCancelable(false) {}
+  explicit InputEventOptions(const InputEventOptions& aOther) = delete;
+  InputEventOptions(InputEventOptions&& aOther) = default;
+  explicit InputEventOptions(const nsAString& aData,
+                             NeverCancelable aNeverCancelable)
+      : mData(aData),
+        mDataTransfer(nullptr),
+        mNeverCancelable(aNeverCancelable == NeverCancelable::Yes) {}
+  explicit InputEventOptions(dom::DataTransfer* aDataTransfer,
+                             NeverCancelable aNeverCancelable)
+      : mDataTransfer(aDataTransfer),
+        mNeverCancelable(aNeverCancelable == NeverCancelable::Yes) {
+    MOZ_ASSERT(mDataTransfer);
+    MOZ_ASSERT(mDataTransfer->IsReadOnly());
+  }
+  InputEventOptions(const nsAString& aData,
+                    OwningNonNullStaticRangeArray&& aTargetRanges,
+                    NeverCancelable aNeverCancelable)
+      : mData(aData),
+        mDataTransfer(nullptr),
+        mTargetRanges(std::move(aTargetRanges)),
+        mNeverCancelable(aNeverCancelable == NeverCancelable::Yes) {}
+  InputEventOptions(dom::DataTransfer* aDataTransfer,
+                    OwningNonNullStaticRangeArray&& aTargetRanges,
+                    NeverCancelable aNeverCancelable)
+      : mDataTransfer(aDataTransfer),
+        mTargetRanges(std::move(aTargetRanges)),
+        mNeverCancelable(aNeverCancelable == NeverCancelable::Yes) {
+    MOZ_ASSERT(mDataTransfer);
+    MOZ_ASSERT(mDataTransfer->IsReadOnly());
+  }
+
+  nsString mData;
+  dom::DataTransfer* mDataTransfer;
+  OwningNonNullStaticRangeArray mTargetRanges;
+  // If this is set to true, dispatching event won't be cancelable.
+  bool mNeverCancelable;
+};
+
+}  // namespace mozilla
+
+#endif  // #ifndef mozilla_InputEventOptions_h