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https://github.com/oxen-io/session-android.git
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Improve highlighting in search results.
Previously, we didn't support highlighting search results that had tokens in the middle of the matches, which is a possibility with FTS. Now we do more robust highlighting, as well as highlight matches in phone numbers.
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@ -28,6 +28,7 @@ import android.support.annotation.Nullable;
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import android.text.Spannable;
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import android.text.Spannable;
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import android.text.SpannableString;
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import android.text.SpannableString;
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import android.text.Spanned;
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import android.text.Spanned;
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import android.text.TextUtils;
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import android.text.style.StyleSpan;
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import android.text.style.StyleSpan;
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import android.util.AttributeSet;
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import android.util.AttributeSet;
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import android.view.View;
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import android.view.View;
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@ -36,6 +37,7 @@ import android.widget.RelativeLayout;
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import android.widget.TextView;
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import android.widget.TextView;
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import com.amulyakhare.textdrawable.TextDrawable;
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import com.amulyakhare.textdrawable.TextDrawable;
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import com.annimon.stream.Stream;
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import org.thoughtcrime.securesms.components.AlertView;
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import org.thoughtcrime.securesms.components.AlertView;
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import org.thoughtcrime.securesms.components.AvatarImageView;
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import org.thoughtcrime.securesms.components.AvatarImageView;
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@ -52,6 +54,7 @@ import org.thoughtcrime.securesms.util.Util;
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import org.thoughtcrime.securesms.util.ViewUtil;
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import org.thoughtcrime.securesms.util.ViewUtil;
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import java.util.Collections;
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import java.util.Collections;
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import java.util.List;
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import java.util.Locale;
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import java.util.Locale;
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import java.util.Set;
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import java.util.Set;
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@ -66,7 +69,6 @@ public class ConversationListItem extends RelativeLayout
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private final static Typeface BOLD_TYPEFACE = Typeface.create("sans-serif", Typeface.BOLD);
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private final static Typeface BOLD_TYPEFACE = Typeface.create("sans-serif", Typeface.BOLD);
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private final static Typeface LIGHT_TYPEFACE = Typeface.create("sans-serif-light", Typeface.NORMAL);
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private final static Typeface LIGHT_TYPEFACE = Typeface.create("sans-serif-light", Typeface.NORMAL);
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private final static StyleSpan BOLD_SPAN = new StyleSpan(Typeface.BOLD);
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private Set<Long> selectedThreads;
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private Set<Long> selectedThreads;
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private Recipient recipient;
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private Recipient recipient;
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@ -180,7 +182,7 @@ public class ConversationListItem extends RelativeLayout
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this.recipient.addListener(this);
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this.recipient.addListener(this);
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fromView.setText(getHighlightedSpan(locale, recipient.getName(), highlightSubstring));
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fromView.setText(getHighlightedSpan(locale, recipient.getName(), highlightSubstring));
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subjectView.setText(contact.getAddress().toPhoneString());
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subjectView.setText(getHighlightedSpan(locale, contact.getAddress().toPhoneString(), highlightSubstring));
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dateView.setText("");
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dateView.setText("");
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archivedView.setVisibility(GONE);
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archivedView.setVisibility(GONE);
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unreadIndicator.setVisibility(GONE);
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unreadIndicator.setVisibility(GONE);
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@ -319,25 +321,37 @@ public class ConversationListItem extends RelativeLayout
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@Nullable String value,
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@Nullable String value,
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@Nullable String highlight)
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@Nullable String highlight)
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{
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{
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if (value == null) {
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if (TextUtils.isEmpty(value)) {
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return new SpannableString("");
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return new SpannableString("");
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}
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}
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value = value.replaceAll("\n", " ");
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value = value.replaceAll("\n", " ");
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if (highlight == null) {
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if (TextUtils.isEmpty(highlight)) {
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return new SpannableString(value);
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return new SpannableString(value);
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}
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}
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int startPosition = value.toLowerCase(locale).indexOf(highlight.toLowerCase());
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String normalizedValue = value.toLowerCase(locale);
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int endPosition = startPosition + highlight.length();
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String normalizedTest = highlight.toLowerCase(locale);
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List<String> testTokens = Stream.of(normalizedTest.split(" ")).filter(s -> s.trim().length() > 0).toList();
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if (startPosition < 0) {
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return new SpannableString(value);
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}
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Spannable spanned = new SpannableString(value);
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Spannable spanned = new SpannableString(value);
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spanned.setSpan(BOLD_SPAN, startPosition, endPosition, Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
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int searchStartIndex = 0;
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for (String token : testTokens) {
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if (searchStartIndex >= spanned.length()) {
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break;
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}
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int start = normalizedValue.indexOf(token, searchStartIndex);
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if (start >= 0) {
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int end = Math.min(start + token.length(), spanned.length());
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spanned.setSpan(new StyleSpan(Typeface.BOLD), start, end, Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
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searchStartIndex = end;
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}
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}
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return spanned;
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return spanned;
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}
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}
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