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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /accessible/mac/GeckoTextMarker.h | |
parent | Initial commit. (diff) | |
download | firefox-upstream.tar.xz firefox-upstream.zip |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'accessible/mac/GeckoTextMarker.h')
-rw-r--r-- | accessible/mac/GeckoTextMarker.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/accessible/mac/GeckoTextMarker.h b/accessible/mac/GeckoTextMarker.h new file mode 100644 index 0000000000..4818e98138 --- /dev/null +++ b/accessible/mac/GeckoTextMarker.h @@ -0,0 +1,122 @@ +/* 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_ + +typedef CFTypeRef AXTextMarkerRef; +typedef CFTypeRef AXTextMarkerRangeRef; + +namespace mozilla { +namespace a11y { + +class AccessibleOrProxy; +class GeckoTextMarkerRange; + +class GeckoTextMarker final { + public: + GeckoTextMarker(const AccessibleOrProxy& aContainer, int32_t aOffset) + : mContainer(aContainer), mOffset(aOffset) {} + + GeckoTextMarker(const GeckoTextMarker& aPoint) + : mContainer(aPoint.mContainer), mOffset(aPoint.mOffset) {} + + GeckoTextMarker(AccessibleOrProxy aDoc, AXTextMarkerRef aTextMarker); + + GeckoTextMarker() : mContainer(nullptr), mOffset(0) {} + + static GeckoTextMarker MarkerFromIndex(const AccessibleOrProxy& aRoot, + int32_t aIndex); + + id CreateAXTextMarker(); + + bool Next(); + + bool Previous(); + + // Return a range with the given type relative to this marker. + GeckoTextMarkerRange Range(EWhichRange aRangeType); + + AccessibleOrProxy Leaf(); + + bool IsValid() const { return !mContainer.IsNull(); }; + + bool operator<(const GeckoTextMarker& aPoint) const; + + bool operator==(const GeckoTextMarker& aPoint) const { + return mContainer == aPoint.mContainer && mOffset == aPoint.mOffset; + } + + AccessibleOrProxy mContainer; + int32_t mOffset; + + HyperTextAccessibleWrap* ContainerAsHyperTextWrap() const { + return mContainer.IsAccessible() + ? static_cast<HyperTextAccessibleWrap*>( + mContainer.AsAccessible()->AsHyperText()) + : nullptr; + } + + private: + bool IsEditableRoot(); +}; + +class GeckoTextMarkerRange final { + public: + GeckoTextMarkerRange(const GeckoTextMarker& aStart, + const GeckoTextMarker& aEnd) + : mStart(aStart), mEnd(aEnd) {} + + GeckoTextMarkerRange() {} + + GeckoTextMarkerRange(AccessibleOrProxy aDoc, + AXTextMarkerRangeRef aTextMarkerRange); + + explicit GeckoTextMarkerRange(const AccessibleOrProxy& aAccessible); + + id CreateAXTextMarkerRange(); + + bool IsValid() const { + return !mStart.mContainer.IsNull() && !mEnd.mContainer.IsNull(); + }; + + /** + * Return text enclosed by the range. + */ + NSString* Text() 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(const AccessibleOrProxy& aContainer); + + GeckoTextMarker mStart; + GeckoTextMarker mEnd; +}; + +} // namespace a11y +} // namespace mozilla + +#endif |