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https://gitlab.winehq.org/wine/wine-gecko.git
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67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_a11y_TextRange_h__
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#define mozilla_a11y_TextRange_h__
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#include "mozilla/Move.h"
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#include "nsAutoPtr.h"
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namespace mozilla {
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namespace a11y {
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class Accessible;
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class HyperTextAccessible;
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/**
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* Represents a text range within the text control or document.
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*/
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class TextRange MOZ_FINAL
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{
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public:
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TextRange(HyperTextAccessible* aRoot,
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Accessible* aStartContainer, int32_t aStartOffset,
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Accessible* aEndContainer, int32_t aEndOffset);
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TextRange() {}
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TextRange(TextRange&& aRange) :
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mRoot(Move(aRange.mRoot)), mStartContainer(Move(aRange.mStartContainer)),
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mEndContainer(Move(aRange.mEndContainer)),
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mStartOffset(aRange.mStartOffset), mEndOffset(aRange.mEndOffset) {}
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Accessible* StartContainer() const { return mStartContainer; }
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int32_t StartOffset() const { return mStartOffset; }
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Accessible* EndContainer() const { return mEndContainer; }
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int32_t EndOffset() const { return mEndOffset; }
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/**
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* Return text enclosed by the range.
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*/
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void Text(nsAString& aText) const;
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/**
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* Return true if this TextRange object represents an actual range of text.
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*/
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bool IsValid() const { return mRoot; }
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private:
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friend class HyperTextAccessible;
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TextRange(const TextRange&) MOZ_DELETE;
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TextRange& operator=(const TextRange&) MOZ_DELETE;
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const nsRefPtr<HyperTextAccessible> mRoot;
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nsRefPtr<Accessible> mStartContainer;
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nsRefPtr<Accessible> mEndContainer;
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int32_t mStartOffset;
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int32_t mEndOffset;
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};
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} // namespace a11y
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} // namespace mozilla
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#endif
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