1 files changed, 138 insertions, 0 deletions
diff --git a/accessible/mac/GeckoTextMarker.h b/accessible/mac/GeckoTextMarker.h
new file mode 100644
index 0000000000..fa926370aa
--- /dev/null
+++ b/accessible/mac/GeckoTextMarker.h
@@ -0,0 +1,138 @@
+/* clang-format off */
+/* -*- Mode: Objective-C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* clang-format on */
+/* vim: set ts=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 _GeckoTextMarker_H_
+#define _GeckoTextMarker_H_
+
+#include <ApplicationServices/ApplicationServices.h>
+#include <Foundation/Foundation.h>
+
+#include "TextLeafRange.h"
+
+namespace mozilla {
+namespace a11y {
+
+class Accessible;
+class GeckoTextMarkerRange;
+
+class GeckoTextMarker final {
+ public:
+  GeckoTextMarker(Accessible* aAcc, int32_t aOffset);
+
+  explicit GeckoTextMarker(const TextLeafPoint& aTextLeafPoint)
+      : mPoint(aTextLeafPoint) {}
+
+  GeckoTextMarker() : mPoint() {}
+
+  static GeckoTextMarker MarkerFromAXTextMarker(Accessible* aDoc,
+                                                AXTextMarkerRef aTextMarker);
+
+  static GeckoTextMarker MarkerFromIndex(Accessible* aRoot, int32_t aIndex);
+
+  AXTextMarkerRef CreateAXTextMarker();
+
+  bool Next();
+
+  bool Previous();
+
+  GeckoTextMarkerRange LeftWordRange() const;
+
+  GeckoTextMarkerRange RightWordRange() const;
+
+  GeckoTextMarkerRange LineRange() const;
+
+  GeckoTextMarkerRange LeftLineRange() const;
+
+  GeckoTextMarkerRange RightLineRange() const;
+
+  GeckoTextMarkerRange ParagraphRange() const;
+
+  GeckoTextMarkerRange StyleRange() const;
+
+  int32_t& Offset() { return mPoint.mOffset; }
+
+  Accessible* Leaf();
+
+  Accessible* Acc() const { return mPoint.mAcc; }
+
+  bool IsValid() const { return !!mPoint; };
+
+  bool operator<(const GeckoTextMarker& aOther) const {
+    return mPoint < aOther.mPoint;
+  }
+
+  bool operator==(const GeckoTextMarker& aOther) const {
+    return mPoint == aOther.mPoint;
+  }
+
+  TextLeafPoint mPoint;
+};
+
+class GeckoTextMarkerRange final {
+ public:
+  GeckoTextMarkerRange(const GeckoTextMarker& aStart,
+                       const GeckoTextMarker& aEnd)
+      : mRange(aStart.mPoint, aEnd.mPoint) {}
+
+  GeckoTextMarkerRange(const TextLeafPoint& aStart, const TextLeafPoint& aEnd)
+      : mRange(aStart, aEnd) {}
+
+  GeckoTextMarkerRange() {}
+
+  explicit GeckoTextMarkerRange(Accessible* aAccessible);
+
+  static GeckoTextMarkerRange MarkerRangeFromAXTextMarkerRange(
+      Accessible* aDoc, AXTextMarkerRangeRef aTextMarkerRange);
+
+  AXTextMarkerRangeRef CreateAXTextMarkerRange();
+
+  bool IsValid() const { return !!mRange.Start() && !!mRange.End(); };
+
+  GeckoTextMarker Start() { return GeckoTextMarker(mRange.Start()); }
+
+  GeckoTextMarker End() { return GeckoTextMarker(mRange.End()); }
+
+  /**
+   * Return text enclosed by the range.
+   */
+  NSString* Text() const;
+
+  /**
+   * Return the attributed text enclosed by the range.
+   */
+  NSAttributedString* AttributedText() const;
+
+  /**
+   * Return length of characters enclosed by the range.
+   */
+  int32_t Length() const;
+
+  /**
+   * Return screen bounds of range.
+   */
+  NSValue* Bounds() const;
+
+  /**
+   * Set the current range as the DOM selection.
+   */
+  MOZ_CAN_RUN_SCRIPT_BOUNDARY void Select() const;
+
+  /**
+   * Crops the range if it overlaps the given accessible element boundaries.
+   * Return true if successfully cropped. false if the range does not intersect
+   * with the container.
+   */
+  bool Crop(Accessible* aContainer);
+
+  TextLeafRange mRange;
+};
+
+}  // namespace a11y
+}  // namespace mozilla
+
+#endif