Add support for surrogate pairs when getting the icon for the contact picture (3d2345ca) · Commits · e / os / Mail

k9mail/src/main/java/com/fsck/k9/activity/misc/ContactPictureLoader.java

+16 −14

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import android.graphics.drawable.BitmapDrawable;
		import android.graphics.drawable.Drawable;
		import android.net.Uri;
		import android.os.AsyncTask;
		import android.support.annotation.VisibleForTesting;
		import android.support.v4.util.LruCache;
		import android.text.TextUtils;
		import android.widget.ImageView;
		@@ -74,6 +75,21 @@ public class ContactPictureLoader {
		0xffCC0000
		};

		@VisibleForTesting
		protected static String calcUnknownContactLetter(Address address) {
		String letter = null;
		String personal = address.getPersonal();
		String str = (personal != null) ? personal : address.getAddress();

		Matcher m = EXTRACT_LETTER_PATTERN.matcher(str);
		if (m.find()) {
		letter = m.group(0).toUpperCase(Locale.US);
		}

		return (TextUtils.isEmpty(letter)) ?
		FALLBACK_CONTACT_LETTER : letter;
		}

		/**
		* Constructor.
		*
		@@ -160,20 +176,6 @@ public class ContactPictureLoader {
		return CONTACT_DUMMY_COLORS_ARGB[colorIndex];
		}

		private String calcUnknownContactLetter(Address address) {
		String letter = null;
		String personal = address.getPersonal();
		String str = (personal != null) ? personal : address.getAddress();

		Matcher m = EXTRACT_LETTER_PATTERN.matcher(str);
		if (m.find()) {
		letter = m.group(0).toUpperCase(Locale.US);
		}

		return (TextUtils.isEmpty(letter)) ?
		FALLBACK_CONTACT_LETTER : letter.substring(0, 1);
		}

		/**
		* Calculates a bitmap with a color and a capital letter for contacts without picture.
		*/

k9mail/src/test/java/com/fsck/k9/activity/misc/ContactPictureLoaderTest.java

0 → 100644

+97 −0

Original line number	Diff line number	Diff line
		package com.fsck.k9.activity.misc;


		import com.fsck.k9.K9RobolectricTestRunner;
		import com.fsck.k9.mail.Address;

		import org.junit.Test;
		import org.junit.runner.RunWith;

		import static org.junit.Assert.assertEquals;

		@RunWith(K9RobolectricTestRunner.class)
		public class ContactPictureLoaderTest {

		@Test
		public void calcUnknownContactLetter_withNoNameUsesAddress() {
		Address address = new Address("<c@d.com>");

		String result = ContactPictureLoader.calcUnknownContactLetter(address);

		assertEquals("C", result);
		}

		@Test
		public void calcUnknownContactLetter_withAsciiName() {
		Address address = new Address("abcd <a@b.com>");

		String result = ContactPictureLoader.calcUnknownContactLetter(address);

		assertEquals("A", result);
		}

		@Test
		public void calcUnknownContactLetter_withLstroke() {
		Address address = new Address("Łatynka <a@b.com>");

		String result = ContactPictureLoader.calcUnknownContactLetter(address);

		assertEquals("Ł", result);
		}


		@Test
		public void calcUnknownContactLetter_withChinese() {
		Address address = new Address("千里之行﹐始于足下 <a@b.com>");

		String result = ContactPictureLoader.calcUnknownContactLetter(address);

		assertEquals("千", result);
		}

		@Test
		public void calcUnknownContactLetter_withCombinedGlyphs() {
		Address address = new Address("\u0061\u0300 <a@b.com>");

		String result = ContactPictureLoader.calcUnknownContactLetter(address);

		assertEquals("\u0041\u0300", result);
		}

		@Test
		public void calcUnknownContactLetter_withSurrogatePair() {
		Address address = new Address("\uD800\uDFB5 <a@b.com>");

		String result = ContactPictureLoader.calcUnknownContactLetter(address);

		assertEquals("\uD800\uDFB5", result);
		}

		@Test
		public void calcUnknownContactLetter_ignoresSpace() {
		Address address = new Address(" abcd <a@b.com>");

		String result = ContactPictureLoader.calcUnknownContactLetter(address);

		assertEquals("A", result);
		}


		@Test
		public void calcUnknownContactLetter_ignoresUsePunctuation() {
		Address address = new Address("-a <a@b.com>");

		String result = ContactPictureLoader.calcUnknownContactLetter(address);

		assertEquals("A", result);
		}

		@Test
		public void calcUnknownContactLetter_ignoresMatchEmoji() {
		Address address = new Address("\uD83D\uDE00 <a@b.com>");

		String result = ContactPictureLoader.calcUnknownContactLetter(address);

		assertEquals("?", result);
		}
		}