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am 0caf421e: Merge "Final fix in SpannableStringBuilder." into jb-dev

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* commit '0caf421e3aacea928f2ce0e99e101a6584127527':
  Final fix in SpannableStringBuilder.
This commit is contained in:
Gilles Debunne
2012-05-07 11:22:26 -07:00
committed by Android Git Automerger
parent e4b703b7ea 0caf421e3a
commit 8779c022b4
1 changed files with 11 additions and 8 deletions
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17
core/java/android/text/SpannableStringBuilder.java
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@@ -308,6 +308,7 @@ public class SpannableStringBuilder implements CharSequence, GetChars, Spannable
resizeFor(mText.length + nbNewChars - mGapLength); resizeFor(mText.length + nbNewChars - mGapLength);
} }
final boolean textIsRemoved = replacementLength == 0;
// The removal pass needs to be done before the gap is updated in order to broadcast the // The removal pass needs to be done before the gap is updated in order to broadcast the
// correct previous positions to the correct intersecting SpanWatchers // correct previous positions to the correct intersecting SpanWatchers
if (replacedLength > 0) { // no need for span fixup on pure insertion if (replacedLength > 0) { // no need for span fixup on pure insertion
@@ -320,11 +321,14 @@ public class SpannableStringBuilder implements CharSequence, GetChars, Spannable
if ((mSpanFlags[i] & Spanned.SPAN_EXCLUSIVE_EXCLUSIVE) == if ((mSpanFlags[i] & Spanned.SPAN_EXCLUSIVE_EXCLUSIVE) ==
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE && Spanned.SPAN_EXCLUSIVE_EXCLUSIVE &&
mSpanStarts[i] >= start && mSpanStarts[i] < mGapStart + mGapLength && mSpanStarts[i] >= start && mSpanStarts[i] < mGapStart + mGapLength &&
mSpanEnds[i] >= start && mSpanEnds[i] < mGapStart + mGapLength) { mSpanEnds[i] >= start && mSpanEnds[i] < mGapStart + mGapLength &&
// This condition indicates that the span would become empty
(textIsRemoved || mSpanStarts[i] > start || mSpanEnds[i] < mGapStart)) {
removeSpan(i); removeSpan(i);
} else { continue; // do not increment i, spans will be shifted left in the array
i++;
} }
i++;
} }
} }
@@ -338,7 +342,6 @@ public class SpannableStringBuilder implements CharSequence, GetChars, Spannable
if (replacedLength > 0) { // no need for span fixup on pure insertion if (replacedLength > 0) { // no need for span fixup on pure insertion
final boolean atEnd = (mGapStart + mGapLength == mText.length); final boolean atEnd = (mGapStart + mGapLength == mText.length);
final boolean textIsRemoved = replacementLength == 0;
for (int i = 0; i < mSpanCount; i++) { for (int i = 0; i < mSpanCount; i++) {
final int startFlag = (mSpanFlags[i] & START_MASK) >> START_SHIFT; final int startFlag = (mSpanFlags[i] & START_MASK) >> START_SHIFT;
@@ -390,9 +393,9 @@ public class SpannableStringBuilder implements CharSequence, GetChars, Spannable
return mGapStart + mGapLength; return mGapStart + mGapLength;
} }
} else { // MARK } else { // MARK
// MARKs should be moved to the start, with the exception of a mark located at the // MARKs should be moved to the start, with the exception of a mark located at
// end of the range (which will be < mGapStart + mGapLength since mGapLength > 0) // the end of the range (which will be < mGapStart + mGapLength since mGapLength
// which should stay 'unchanged' at the end of the replaced text. // is > 0, which should stay 'unchanged' at the end of the replaced text.
if (textIsRemoved || offset < mGapStart - nbNewChars) { if (textIsRemoved || offset < mGapStart - nbNewChars) {
return start; return start;
} else { } else {