accessible/src/base/TextRange.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

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

mercurial