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Fix the one-suggestion case.

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When there is only one suggestion, this code does
not work. The reason for that is, it's not homogeneous
at all and takes indices of one thing into another.

Not completely related to b/8839763, but realized
working on this and needed to have it addressed.

Bug: 8839763
Change-Id: I422730cc7eebb69ff421a171025af0390ebcdf92
This commit is contained in:
Jean Chalard 2013-06-25 15:34:07 +09:00
parent 81c5c3ce7f
commit d7d5ff1f99
1 changed files with 36 additions and 22 deletions
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58
java/src/com/android/inputmethod/latin/suggestions/SuggestionStripLayoutHelper.java
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@ -86,6 +86,7 @@ final class SuggestionStripLayoutHelper {
private final float mAlphaObsoleted;
private final float mCenterSuggestionWeight;
private final int mCenterPositionInStrip;
private final int mTypedWordPositionWhenAutocorrect;
private final Drawable mMoreSuggestionsHint;
private static final String MORE_SUGGESTIONS_HINT = "\u2026";
private static final String LEFTWARDS_ARROW = "\u2190";
@ -159,6 +160,10 @@ final class SuggestionStripLayoutHelper {
mMoreSuggestionsHint = getMoreSuggestionsHint(res,
res.getDimension(R.dimen.more_suggestions_hint_text_size), mColorAutoCorrect);
mCenterPositionInStrip = mSuggestionsCountInStrip / 2;
// Assuming there are at least three suggestions. Also, note that the suggestions are
// laid out according to script direction, so this is left of the center for LTR scripts
// and right of the center for RTL scripts.
mTypedWordPositionWhenAutocorrect = mCenterPositionInStrip - 1;
mMoreSuggestionsBottomGap = res.getDimensionPixelOffset(
R.dimen.more_suggestions_bottom_gap);
mMoreSuggestionsRowHeight = res.getDimensionPixelSize(R.dimen.more_suggestions_row_height);
@ -233,24 +238,31 @@ final class SuggestionStripLayoutHelper {
return spannedWord;
}
private int getIndexInSuggestedWords(final int positionInStrip,
private int getPositionInSuggestionStrip(final int indexInSuggestedWords,
final SuggestedWords suggestedWords) {
// TODO: This works for 3 suggestions. Revisit this algorithm when there are 5 or more
// suggestions.
final int mostImportantIndexInSuggestedWords = suggestedWords.willAutoCorrect()
? SuggestedWords.INDEX_OF_AUTO_CORRECTION : SuggestedWords.INDEX_OF_TYPED_WORD;
if (positionInStrip == mCenterPositionInStrip) {
return mostImportantIndexInSuggestedWords;
final int indexToDisplayMostImportantSuggestion;
final int indexToDisplaySecondMostImportantSuggestion;
if (suggestedWords.willAutoCorrect()) {
indexToDisplayMostImportantSuggestion = SuggestedWords.INDEX_OF_AUTO_CORRECTION;
indexToDisplaySecondMostImportantSuggestion = SuggestedWords.INDEX_OF_TYPED_WORD;
} else {
indexToDisplayMostImportantSuggestion = SuggestedWords.INDEX_OF_TYPED_WORD;
indexToDisplaySecondMostImportantSuggestion = SuggestedWords.INDEX_OF_AUTO_CORRECTION;
}
if (positionInStrip == mostImportantIndexInSuggestedWords) {
if (indexInSuggestedWords == indexToDisplayMostImportantSuggestion) {
return mCenterPositionInStrip;
}
return positionInStrip;
if (indexInSuggestedWords == indexToDisplaySecondMostImportantSuggestion) {
return mTypedWordPositionWhenAutocorrect;
}
// If neither of those, the order in the suggestion strip is the same as in SuggestedWords.
return indexInSuggestedWords;
}
private int getSuggestionTextColor(final int positionInStrip,
private int getSuggestionTextColor(final int indexInSuggestedWords,
final SuggestedWords suggestedWords) {
final int indexInSuggestedWords = getIndexInSuggestedWords(positionInStrip, suggestedWords);
final int positionInStrip =
getPositionInSuggestionStrip(indexInSuggestedWords, suggestedWords);
// TODO: Need to revisit this logic with bigram suggestions
final boolean isSuggested = (indexInSuggestedWords != SuggestedWords.INDEX_OF_TYPED_WORD);
@ -352,7 +364,7 @@ final class SuggestionStripLayoutHelper {
* increase towards the right for LTR scripts and the left for RTL scripts, starting with 0.
* The position of the most important suggestion is in {@link #mCenterPositionInStrip}. This
* usually doesn't match the index in <code>suggedtedWords</code> -- see
* {@link #getIndexInSuggestedWords(int,SuggestedWords)}.
* {@link #getPositionInSuggestionStrip(int,SuggestedWords)}.
*
* @param positionInStrip the position in the suggestion strip.
* @param width the maximum width for layout in pixels.
@ -413,10 +425,19 @@ final class SuggestionStripLayoutHelper {
private void setupWordViewsTextAndColor(final SuggestedWords suggestedWords,
final int countInStrip) {
// Clear all suggestions first
for (int positionInStrip = 0; positionInStrip < countInStrip; ++positionInStrip) {
mWordViews.get(positionInStrip).setText(null);
// Make this inactive for touches in {@link #layoutWord(int,int)}.
if (SuggestionStripView.DBG) {
mDebugInfoViews.get(positionInStrip).setText(null);
}
}
final int count = Math.min(suggestedWords.size(), countInStrip);
for (int positionInStrip = 0; positionInStrip < count; positionInStrip++) {
final int indexInSuggestedWords =
getIndexInSuggestedWords(positionInStrip, suggestedWords);
for (int indexInSuggestedWords = 0; indexInSuggestedWords < count;
indexInSuggestedWords++) {
final int positionInStrip =
getPositionInSuggestionStrip(indexInSuggestedWords, suggestedWords);
final TextView wordView = mWordViews.get(positionInStrip);
// {@link TextView#getTag()} is used to get the index in suggestedWords at
// {@link SuggestionStripView#onClick(View)}.
@ -428,13 +449,6 @@ final class SuggestionStripLayoutHelper {
Utils.getDebugInfo(suggestedWords, indexInSuggestedWords));
}
}
for (int positionInStrip = count; positionInStrip < countInStrip; positionInStrip++) {
mWordViews.get(positionInStrip).setText(null);
// Make this inactive for touches in {@link #layoutWord(int,int)}.
if (SuggestionStripView.DBG) {
mDebugInfoViews.get(positionInStrip).setText(null);
}
}
}
private void layoutPunctuationSuggestions(final SuggestedWords suggestedWords,