The Tor Browser: accessible/src/base/TextRange.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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/. */

     7 #ifndef mozilla_a11y_TextRange_h__

     8 #define mozilla_a11y_TextRange_h__

    10 #include "mozilla/Move.h"

    11 #include "nsAutoPtr.h"

    13 namespace mozilla {

    14 namespace a11y {

    16 class Accessible;

    17 class HyperTextAccessible;

    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) {}

    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   }

    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; }

    49   /**

    50    * Return text enclosed by the range.

    51    */

    52   void Text(nsAString& aText) const;

    54   /**

    55    * Return true if this TextRange object represents an actual range of text.

    56    */

    57   bool IsValid() const { return mRoot; }

    59 private:

    60   TextRange(const TextRange& aRange) MOZ_DELETE;

    61   TextRange& operator=(const TextRange& aRange) MOZ_DELETE;

    63   friend class HyperTextAccessible;

    64   friend class xpcAccessibleTextRange;

    66   void Set(HyperTextAccessible* aRoot,

    67            Accessible* aStartContainer, int32_t aStartOffset,

    68            Accessible* aEndContainer, int32_t aEndOffset);

    70   nsRefPtr<HyperTextAccessible> mRoot;

    71   nsRefPtr<Accessible> mStartContainer;

    72   nsRefPtr<Accessible> mEndContainer;

    73   int32_t mStartOffset;

    74   int32_t mEndOffset;

    75 };

    78 } // namespace a11y

    79 } // namespace mozilla

    81 #endif

The Tor Browser / file revision