1 files changed, 117 insertions, 0 deletions
diff --git a/dom/base/nsDOMWindowUtils.h b/dom/base/nsDOMWindowUtils.h
new file mode 100644
index 0000000000..63968c9b7a
--- /dev/null
+++ b/dom/base/nsDOMWindowUtils.h
@@ -0,0 +1,117 @@
+/* -*- 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 nsDOMWindowUtils_h_
+#define nsDOMWindowUtils_h_
+
+#include "nsWeakReference.h"
+
+#include "nsIDOMWindowUtils.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/BasicEvents.h"
+#include "mozilla/Result.h"
+
+class nsGlobalWindowOuter;
+class nsIDocShell;
+class nsIWidget;
+class nsPresContext;
+class nsView;
+struct nsPoint;
+
+namespace mozilla {
+class PresShell;
+namespace dom {
+class Document;
+class Element;
+}  // namespace dom
+namespace layers {
+class LayerTransactionChild;
+class WebRenderBridgeChild;
+}  // namespace layers
+}  // namespace mozilla
+
+class nsTranslationNodeList final : public nsITranslationNodeList {
+ public:
+  nsTranslationNodeList() {
+    mNodes.SetCapacity(1000);
+    mNodeIsRoot.SetCapacity(1000);
+    mLength = 0;
+  }
+
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSITRANSLATIONNODELIST
+
+  void AppendElement(nsINode* aElement, bool aIsRoot) {
+    mNodes.AppendElement(aElement);
+    mNodeIsRoot.AppendElement(aIsRoot);
+    mLength++;
+  }
+
+ private:
+  ~nsTranslationNodeList() = default;
+
+  nsTArray<nsCOMPtr<nsINode> > mNodes;
+  nsTArray<bool> mNodeIsRoot;
+  uint32_t mLength;
+};
+
+class nsDOMWindowUtils final : public nsIDOMWindowUtils,
+                               public nsSupportsWeakReference {
+  using TextEventDispatcher = mozilla::widget::TextEventDispatcher;
+
+ public:
+  explicit nsDOMWindowUtils(nsGlobalWindowOuter* aWindow);
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIDOMWINDOWUTILS
+
+ protected:
+  ~nsDOMWindowUtils();
+
+  nsWeakPtr mWindow;
+
+  // If aOffset is non-null, it gets filled in with the offset of the root
+  // frame of our window to the nearest widget in the app units of our window.
+  // Add this offset to any event offset we're given to make it relative to the
+  // widget returned by GetWidget.
+  nsIWidget* GetWidget(nsPoint* aOffset = nullptr);
+  nsIWidget* GetWidgetForElement(mozilla::dom::Element* aElement);
+
+  nsIDocShell* GetDocShell();
+  mozilla::PresShell* GetPresShell();
+  nsPresContext* GetPresContext();
+  mozilla::dom::Document* GetDocument();
+  mozilla::layers::WebRenderBridgeChild* GetWebRenderBridge();
+  mozilla::layers::CompositorBridgeChild* GetCompositorBridge();
+
+  // Until callers are annotated.
+  MOZ_CAN_RUN_SCRIPT
+  NS_IMETHOD SendMouseEventCommon(
+      const nsAString& aType, float aX, float aY, int32_t aButton,
+      int32_t aClickCount, int32_t aModifiers, bool aIgnoreRootScrollFrame,
+      float aPressure, unsigned short aInputSourceArg, uint32_t aIdentifier,
+      bool aToWindow, bool* aPreventDefault, bool aIsDOMEventSynthesized,
+      bool aIsWidgetEventSynthesized, int32_t aButtons);
+
+  MOZ_CAN_RUN_SCRIPT
+  nsresult SendTouchEventCommon(
+      const nsAString& aType, const nsTArray<uint32_t>& aIdentifiers,
+      const nsTArray<int32_t>& aXs, const nsTArray<int32_t>& aYs,
+      const nsTArray<uint32_t>& aRxs, const nsTArray<uint32_t>& aRys,
+      const nsTArray<float>& aRotationAngles, const nsTArray<float>& aForces,
+      const nsTArray<int32_t>& aTiltXs, const nsTArray<int32_t>& aTiltYs,
+      const nsTArray<int32_t>& aTwists, int32_t aModifiers,
+      bool aIgnoreRootScrollFrame, bool aToWindow, bool* aPreventDefault);
+
+  void ReportErrorMessageForWindow(const nsAString& aErrorMessage,
+                                   const char* aClassification,
+                                   bool aFromChrome);
+
+ private:
+  mozilla::Result<mozilla::ScreenRect, nsresult> ConvertToScreenRect(
+      float aX, float aY, float aWidth, float aHeight);
+};
+
+#endif