am 69c04cad: Race condition in cursor move.

     * @return true if the cursor is still inside the composing word, false otherwise.

     */

    public boolean moveCursorByAndReturnIfInsideComposingWord(final int expectedMoveAmount) {

        int actualMoveAmountWithinWord = 0;

        int actualMoveAmount = 0;

        int cursorPos = mCursorPositionWithinWord;

        // TODO: Don't make that copy. We can do this directly from mTypedWordCache.

        final int[] codePoints = StringUtils.toCodePointArray(mTypedWordCache);

        if (expectedMoveAmount >= 0) {

            // Moving the cursor forward for the expected amount or until the end of the word has

            // been reached, whichever comes first.

            while (actualMoveAmountWithinWord < expectedMoveAmount && cursorPos < mCodePointSize) {

                actualMoveAmountWithinWord += Character.charCount(codePoints[cursorPos]);

            while (actualMoveAmount < expectedMoveAmount && cursorPos < codePoints.length) {

                actualMoveAmount += Character.charCount(codePoints[cursorPos]);

                ++cursorPos;

            }

        } else {

            // Moving the cursor backward for the expected amount or until the start of the word

            // has been reached, whichever comes first.

            while (actualMoveAmountWithinWord > expectedMoveAmount && cursorPos > 0) {

            while (actualMoveAmount > expectedMoveAmount && cursorPos > 0) {

                --cursorPos;

                actualMoveAmountWithinWord -= Character.charCount(codePoints[cursorPos]);

                actualMoveAmount -= Character.charCount(codePoints[cursorPos]);

            }

        }

        // If the actual and expected amounts differ, we crossed the start or the end of the word

        // so the result would not be inside the composing word.

        if (actualMoveAmountWithinWord != expectedMoveAmount) return false;

        if (actualMoveAmount != expectedMoveAmount) {

            return false;

        }

        mCursorPositionWithinWord = cursorPos;

        mCombinerChain.applyProcessedEvent(mCombinerChain.processEvent(mEvents,

                Event.createCursorMovedEvent(cursorPos)));

        mCombinerChain.applyProcessedEvent(mCombinerChain.processEvent(

                mEvents, Event.createCursorMovedEvent(cursorPos)));

        return true;

    }