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comparison: accessible/src/base/TextRange.h
accessible/src/base/TextRange.h
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| -1:000000000000 | 0:58a76541bf47 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef mozilla_a11y_TextRange_h__ | |
| 8 #define mozilla_a11y_TextRange_h__ | |
| 9 | |
| 10 #include "mozilla/Move.h" | |
| 11 #include "nsAutoPtr.h" | |
| 12 | |
| 13 namespace mozilla { | |
| 14 namespace a11y { | |
| 15 | |
| 16 class Accessible; | |
| 17 class HyperTextAccessible; | |
| 18 | |
| 19 /** | |
| 20 * Represents a text range within the text control or document. | |
| 21 */ | |
| 22 class TextRange MOZ_FINAL | |
| 23 { | |
| 24 public: | |
| 25 TextRange(HyperTextAccessible* aRoot, | |
| 26 Accessible* aStartContainer, int32_t aStartOffset, | |
| 27 Accessible* aEndContainer, int32_t aEndOffset); | |
| 28 TextRange() {} | |
| 29 TextRange(TextRange&& aRange) : | |
| 30 mRoot(Move(aRange.mRoot)), mStartContainer(Move(aRange.mStartContainer)), | |
| 31 mEndContainer(Move(aRange.mEndContainer)), | |
| 32 mStartOffset(aRange.mStartOffset), mEndOffset(aRange.mEndOffset) {} | |
| 33 | |
| 34 TextRange& operator= (TextRange&& aRange) | |
| 35 { | |
| 36 mRoot = Move(aRange.mRoot); | |
| 37 mStartContainer = Move(aRange.mStartContainer); | |
| 38 mEndContainer = Move(aRange.mEndContainer); | |
| 39 mStartOffset = aRange.mStartOffset; | |
| 40 mEndOffset = aRange.mEndOffset; | |
| 41 return *this; | |
| 42 } | |
| 43 | |
| 44 Accessible* StartContainer() const { return mStartContainer; } | |
| 45 int32_t StartOffset() const { return mStartOffset; } | |
| 46 Accessible* EndContainer() const { return mEndContainer; } | |
| 47 int32_t EndOffset() const { return mEndOffset; } | |
| 48 | |
| 49 /** | |
| 50 * Return text enclosed by the range. | |
| 51 */ | |
| 52 void Text(nsAString& aText) const; | |
| 53 | |
| 54 /** | |
| 55 * Return true if this TextRange object represents an actual range of text. | |
| 56 */ | |
| 57 bool IsValid() const { return mRoot; } | |
| 58 | |
| 59 private: | |
| 60 TextRange(const TextRange& aRange) MOZ_DELETE; | |
| 61 TextRange& operator=(const TextRange& aRange) MOZ_DELETE; | |
| 62 | |
| 63 friend class HyperTextAccessible; | |
| 64 friend class xpcAccessibleTextRange; | |
| 65 | |
| 66 void Set(HyperTextAccessible* aRoot, | |
| 67 Accessible* aStartContainer, int32_t aStartOffset, | |
| 68 Accessible* aEndContainer, int32_t aEndOffset); | |
| 69 | |
| 70 nsRefPtr<HyperTextAccessible> mRoot; | |
| 71 nsRefPtr<Accessible> mStartContainer; | |
| 72 nsRefPtr<Accessible> mEndContainer; | |
| 73 int32_t mStartOffset; | |
| 74 int32_t mEndOffset; | |
| 75 }; | |
| 76 | |
| 77 | |
| 78 } // namespace a11y | |
| 79 } // namespace mozilla | |
| 80 | |
| 81 #endif |
