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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_a11y_HyperTextAccessibleWrap_h__
#define mozilla_a11y_HyperTextAccessibleWrap_h__
#include "HyperTextAccessible.h"
#include "PlatformExtTypes.h"
namespace mozilla {
namespace a11y {
struct TextPoint;
class HyperTextAccessibleWrap : public HyperTextAccessible {
public:
HyperTextAccessibleWrap(nsIContent* aContent, DocAccessible* aDoc)
: HyperTextAccessible(aContent, aDoc) {}
void TextForRange(nsAString& aText, int32_t aStartOffset,
HyperTextAccessible* aEndContainer, int32_t aEndOffset);
nsIntRect BoundsForRange(int32_t aStartOffset,
HyperTextAccessible* aEndContainer,
int32_t aEndOffset);
int32_t LengthForRange(int32_t aStartOffset,
HyperTextAccessible* aEndContainer,
int32_t aEndOffset);
void OffsetAtIndex(int32_t aIndex, HyperTextAccessible** aContainer,
int32_t* aOffset);
void RangeAt(int32_t aOffset, EWhichRange aRangeType,
HyperTextAccessible** aStartContainer, int32_t* aStartOffset,
HyperTextAccessible** aEndContainer, int32_t* aEndOffset);
void NextClusterAt(int32_t aOffset, HyperTextAccessible** aNextContainer,
int32_t* aNextOffset);
void PreviousClusterAt(int32_t aOffset, HyperTextAccessible** aPrevContainer,
int32_t* aPrevOffset);
void RangeOfChild(Accessible* aChild, int32_t* aStartOffset,
int32_t* aEndOffset);
Accessible* LeafAtOffset(int32_t aOffset);
MOZ_CAN_RUN_SCRIPT void SelectRange(int32_t aStartOffset,
HyperTextAccessible* aEndContainer,
int32_t aEndOffset);
protected:
~HyperTextAccessibleWrap() {}
private:
TextPoint FindTextPoint(int32_t aOffset, nsDirection aDirection,
nsSelectionAmount aAmount,
EWordMovementType aWordMovementType);
HyperTextAccessibleWrap* EditableRoot();
void LeftWordAt(int32_t aOffset, HyperTextAccessible** aStartContainer,
int32_t* aStartOffset, HyperTextAccessible** aEndContainer,
int32_t* aEndOffset);
void RightWordAt(int32_t aOffset, HyperTextAccessible** aStartContainer,
int32_t* aStartOffset, HyperTextAccessible** aEndContainer,
int32_t* aEndOffset);
void LineAt(int32_t aOffset, bool aNextLine,
HyperTextAccessible** aStartContainer, int32_t* aStartOffset,
HyperTextAccessible** aEndContainer, int32_t* aEndOffset);
void ParagraphAt(int32_t aOffset, HyperTextAccessible** aStartContainer,
int32_t* aStartOffset, HyperTextAccessible** aEndContainer,
int32_t* aEndOffset);
void StyleAt(int32_t aOffset, HyperTextAccessible** aStartContainer,
int32_t* aStartOffset, HyperTextAccessible** aEndContainer,
int32_t* aEndOffset);
};
} // namespace a11y
} // namespace mozilla
#endif
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