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Put SuggestionSpan as the indicater of the auto-correction

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Bug: 5245468

Change-Id: Ia5609e1b3c69f5553e3632fbce60a55665a5b185
This commit is contained in:
satok 2011-09-28 15:59:11 +09:00
parent ce9e4f926b
commit ec780e2868
4 changed files with 41 additions and 7 deletions
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23
java/src/com/android/inputmethod/compat/SuggestionSpanUtils.java
View file

@ -24,18 +24,22 @@ import android.text.Spannable;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.TextUtils;
import android.util.Log;
import java.lang.reflect.Constructor;
import java.util.ArrayList;
import java.util.Locale;
public class SuggestionSpanUtils {
private static final String TAG = SuggestionSpanUtils.class.getSimpleName();
// TODO: Use reflection to get field values
public static final String ACTION_SUGGESTION_PICKED =
"android.text.style.SUGGESTION_PICKED";
public static final String SUGGESTION_SPAN_PICKED_AFTER = "after";
public static final String SUGGESTION_SPAN_PICKED_BEFORE = "before";
public static final String SUGGESTION_SPAN_PICKED_HASHCODE = "hashcode";
// TODO: Use the API constant after it gets public.
public static final int FLAG_AUTO_CORRECTION = 0x0004;
public static final int SUGGESTION_MAX_SIZE = 5;
public static final boolean SUGGESTION_SPAN_IS_SUPPORTED;
@ -50,6 +54,25 @@ public class SuggestionSpanUtils {
CLASS_SuggestionSpan != null && CONSTRUCTOR_SuggestionSpan != null;
}
public static CharSequence getTextWithAutoCorrectionIndicatorUnderline(
Context context, CharSequence text) {
if (TextUtils.isEmpty(text) || CONSTRUCTOR_SuggestionSpan == null) {
return text;
}
final Spannable spannable = text instanceof Spannable
? (Spannable) text : new SpannableString(text);
final Object[] args =
{ context, null, new String[] {}, FLAG_AUTO_CORRECTION,
(Class<?>) SuggestionSpanPickedNotificationReceiver.class };
final Object ss = CompatUtils.newInstance(CONSTRUCTOR_SuggestionSpan, args);
if (ss == null) {
Log.w(TAG, "Suggestion span was not created.");
return text;
}
spannable.setSpan(ss, 0, text.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
return spannable;
}
public static CharSequence getTextWithSuggestionSpan(Context context,
CharSequence pickedWord, SuggestedWords suggestedWords) {
if (TextUtils.isEmpty(pickedWord) || CONSTRUCTOR_SuggestionSpan == null

11
java/src/com/android/inputmethod/latin/LatinIME.java
View file

@ -1601,6 +1601,17 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
mKeyboardSwitcher.onAutoCorrectionStateChanged(
words.hasWordAboveAutoCorrectionScoreThreshold());
}
// Put a blue underline to a word in TextView which will be auto-corrected.
final InputConnection ic = getCurrentInputConnection();
if (ic != null && Utils.willAutoCorrect(words)) {
final CharSequence textWithUnderline =
SuggestionSpanUtils.getTextWithAutoCorrectionIndicatorUnderline(
this, mComposingStringBuilder);
if (!TextUtils.isEmpty(textWithUnderline)) {
ic.setComposingText(textWithUnderline, 1);
}
}
}
public void updateSuggestions() {

10
java/src/com/android/inputmethod/latin/SuggestionsView.java
View file

@ -260,7 +260,7 @@ public class SuggestionsView extends RelativeLayout implements OnClickListener,
private CharSequence getStyledSuggestionWord(SuggestedWords suggestions, int pos) {
final CharSequence word = suggestions.getWord(pos);
final boolean isAutoCorrect = pos == 1 && willAutoCorrect(suggestions);
final boolean isAutoCorrect = pos == 1 && Utils.willAutoCorrect(suggestions);
final boolean isTypedWordValid = pos == 0 && suggestions.mTypedWordValid;
if (!isAutoCorrect && !isTypedWordValid)
return word;
@ -278,14 +278,10 @@ public class SuggestionsView extends RelativeLayout implements OnClickListener,
return spannedWord;
}
private static boolean willAutoCorrect(SuggestedWords suggestions) {
return !suggestions.mTypedWordValid && suggestions.mHasMinimalSuggestion;
}
private int getWordPosition(int index, SuggestedWords suggestions) {
// TODO: This works for 3 suggestions. Revisit this algorithm when there are 5 or more
// suggestions.
final int centerPos = willAutoCorrect(suggestions) ? 1 : 0;
final int centerPos = Utils.willAutoCorrect(suggestions) ? 1 : 0;
if (index == mCenterSuggestionIndex) {
return centerPos;
} else if (index == centerPos) {
@ -300,7 +296,7 @@ public class SuggestionsView extends RelativeLayout implements OnClickListener,
final boolean isSuggested = (pos != 0);
final int color;
if (index == mCenterSuggestionIndex && willAutoCorrect(suggestions)) {
if (index == mCenterSuggestionIndex && Utils.willAutoCorrect(suggestions)) {
color = mColorAutoCorrect;
} else if (isSuggested) {
color = mColorSuggested;

4
java/src/com/android/inputmethod/latin/Utils.java
View file

@ -790,4 +790,8 @@ public class Utils {
}
return -1;
}
public static boolean willAutoCorrect(SuggestedWords suggestions) {
return !suggestions.mTypedWordValid && suggestions.mHasMinimalSuggestion;
}
}