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-rw-r--r--accessible/mac/GeckoTextMarker.h138
1 files changed, 138 insertions, 0 deletions
diff --git a/accessible/mac/GeckoTextMarker.h b/accessible/mac/GeckoTextMarker.h
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+/* 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