Add UrlSpanFactory to Linkify (ad4883bb) · Commits · e / os / android_frameworks_base

api/current.txt

+7 −0

Original line number	Diff line number	Diff line
		@@ -44742,6 +44742,7 @@ package android.text.util {
		public class Linkify {
		ctor public Linkify();
		method public static final boolean addLinks(android.text.Spannable, int);
		method public static final boolean addLinks(android.text.Spannable, int, android.text.util.Linkify.UrlSpanFactory);
		method public static final boolean addLinks(android.widget.TextView, int);
		method public static final void addLinks(android.widget.TextView, java.util.regex.Pattern, java.lang.String);
		method public static final void addLinks(android.widget.TextView, java.util.regex.Pattern, java.lang.String, android.text.util.Linkify.MatchFilter, android.text.util.Linkify.TransformFilter);
		@@ -44749,6 +44750,7 @@ package android.text.util {
		method public static final boolean addLinks(android.text.Spannable, java.util.regex.Pattern, java.lang.String);
		method public static final boolean addLinks(android.text.Spannable, java.util.regex.Pattern, java.lang.String, android.text.util.Linkify.MatchFilter, android.text.util.Linkify.TransformFilter);
		method public static final boolean addLinks(android.text.Spannable, java.util.regex.Pattern, java.lang.String, java.lang.String[], android.text.util.Linkify.MatchFilter, android.text.util.Linkify.TransformFilter);
		method public static final boolean addLinks(android.text.Spannable, java.util.regex.Pattern, java.lang.String, java.lang.String[], android.text.util.Linkify.MatchFilter, android.text.util.Linkify.TransformFilter, android.text.util.Linkify.UrlSpanFactory);
		field public static final int ALL = 15; // 0xf
		field public static final int EMAIL_ADDRESSES = 2; // 0x2
		field public static final deprecated int MAP_ADDRESSES = 8; // 0x8
		@@ -44767,6 +44769,11 @@ package android.text.util {
		method public abstract java.lang.String transformUrl(java.util.regex.Matcher, java.lang.String);
		}

		public static class Linkify.UrlSpanFactory {
		ctor public Linkify.UrlSpanFactory();
		method public android.text.style.URLSpan create(java.lang.String);
		}

		public class Rfc822Token {
		ctor public Rfc822Token(java.lang.String, java.lang.String, java.lang.String);
		method public java.lang.String getAddress();

core/java/android/text/util/Linkify.java

+126 −12

Original line number	Diff line number	Diff line
		@@ -35,6 +35,7 @@ import android.widget.TextView;
		import com.android.i18n.phonenumbers.PhoneNumberMatch;
		import com.android.i18n.phonenumbers.PhoneNumberUtil;
		import com.android.i18n.phonenumbers.PhoneNumberUtil.Leniency;
		import com.android.internal.annotations.GuardedBy;

		import libcore.util.EmptyArray;

		@@ -63,6 +64,10 @@ import java.util.regex.Pattern;
		* does not have a URL scheme prefix, the supplied scheme will be prepended to
		* create <code>http://example.com</code> when the clickable URL link is
		* created.
		*
		* @see MatchFilter
		* @see TransformFilter
		* @see UrlSpanFactory
		*/

		public class Linkify {
		@@ -217,6 +222,44 @@ public class Linkify {
		String transformUrl(final Matcher match, String url);
		}

		/**
		* Factory class to create {@link URLSpan}s. While adding spans to a {@link Spannable},
		* {@link Linkify} will call {@link UrlSpanFactory#create(String)} function to create a
		* {@link URLSpan}.
		*
		* @see #addLinks(Spannable, int, UrlSpanFactory)
		* @see #addLinks(Spannable, Pattern, String, String[], MatchFilter, TransformFilter,
		* UrlSpanFactory)
		*/
		public static class UrlSpanFactory {
		private static final Object sInstanceLock = new Object();

		@GuardedBy("sInstanceLock")
		private static volatile UrlSpanFactory sInstance = null;

		private static synchronized UrlSpanFactory getInstance() {
		if (sInstance == null) {
		synchronized (sInstanceLock) {
		if (sInstance == null) {
		sInstance = new UrlSpanFactory();
		}
		}
		}
		return sInstance;
		}

		/**
		* Factory function that will called by {@link Linkify} in order to create a
		* {@link URLSpan}.
		*
		* @param url URL found
		* @return a URLSpan instance
		*/
		public URLSpan create(final String url) {
		return new URLSpan(url);
		}
		}

		/**
		* Scans the text of the provided Spannable and turns all occurrences
		* of the link types indicated in the mask into clickable links.
		@@ -228,24 +271,57 @@ public class Linkify {
		* @param mask Mask to define which kinds of links will be searched.
		*
		* @return True if at least one link is found and applied.
		*
		* @see #addLinks(Spannable, int, UrlSpanFactory)
		*/
		public static final boolean addLinks(@NonNull Spannable text, @LinkifyMask int mask) {
		return addLinks(text, mask, null);
		return addLinks(text, mask, null, null);
		}

		/**
		* Scans the text of the provided Spannable and turns all occurrences
		* of the link types indicated in the mask into clickable links.
		* If the mask is nonzero, it also removes any existing URLSpans
		* attached to the Spannable, to avoid problems if you call it
		* repeatedly on the same text.
		*
		* @param text Spannable whose text is to be marked-up with links
		* @param mask mask to define which kinds of links will be searched
		* @param urlSpanFactory factory class used to create {@link URLSpan}s
		* @return True if at least one link is found and applied.
		*
		* @see #addLinks(Spannable, int, UrlSpanFactory)
		*/
		public static final boolean addLinks(@NonNull Spannable text, @LinkifyMask int mask,
		@Nullable UrlSpanFactory urlSpanFactory) {
		return addLinks(text, mask, null, null);
		}

		/**
		* Scans the text of the provided Spannable and turns all occurrences of the link types
		* indicated in the mask into clickable links. If the mask is nonzero, it also removes any
		* existing URLSpans attached to the Spannable, to avoid problems if you call it repeatedly
		* on the same text.
		*
		* @param text Spannable whose text is to be marked-up with links
		* @param mask mask to define which kinds of links will be searched
		* @param context Context to be used while identifying phone numbers
		* @param urlSpanFactory factory class used to create {@link URLSpan}s
		* @return true if at least one link is found and applied.
		*/
		private static boolean addLinks(@NonNull Spannable text, @LinkifyMask int mask,
		@Nullable Context context) {
		@Nullable Context context, @Nullable UrlSpanFactory urlSpanFactory) {
		if (mask == 0) {
		return false;
		}

		URLSpan[] old = text.getSpans(0, text.length(), URLSpan.class);
		final URLSpan[] old = text.getSpans(0, text.length(), URLSpan.class);

		for (int i = old.length - 1; i >= 0; i--) {
		text.removeSpan(old[i]);
		}

		ArrayList<LinkSpec> links = new ArrayList<LinkSpec>();
		final ArrayList<LinkSpec> links = new ArrayList<LinkSpec>();

		if ((mask & WEB_URLS) != 0) {
		gatherLinks(links, text, Patterns.AUTOLINK_WEB_URL,
		@@ -274,7 +350,7 @@ public class Linkify {
		}

		for (LinkSpec link: links) {
		applyLink(link.url, link.start, link.end, text);
		applyLink(link.url, link.start, link.end, text, urlSpanFactory);
		}

		return true;
		@@ -290,6 +366,8 @@ public class Linkify {
		* @param mask Mask to define which kinds of links will be searched.
		*
		* @return True if at least one link is found and applied.
		*
		* @see #addLinks(Spannable, int, UrlSpanFactory)
		*/
		public static final boolean addLinks(@NonNull TextView text, @LinkifyMask int mask) {
		if (mask == 0) {
		@@ -299,7 +377,7 @@ public class Linkify {
		final Context context = text.getContext();
		final CharSequence t = text.getText();
		if (t instanceof Spannable) {
		if (addLinks((Spannable) t, mask, context)) {
		if (addLinks((Spannable) t, mask, context, null)) {
		addLinkMovementMethod(text);
		return true;
		}
		@@ -308,7 +386,7 @@ public class Linkify {
		} else {
		SpannableString s = SpannableString.valueOf(t);

		if (addLinks(s, mask, context)) {
		if (addLinks(s, mask, context, null)) {
		addLinkMovementMethod(text);
		text.setText(s);

		@@ -403,6 +481,8 @@ public class Linkify {
		* @param pattern Regex pattern to be used for finding links
		* @param scheme URL scheme string (eg <code>http://</code>) to be
		* prepended to the links that do not start with this scheme.
		* @see #addLinks(Spannable, Pattern, String, String[], MatchFilter, TransformFilter,
		* UrlSpanFactory)
		*/
		public static final boolean addLinks(@NonNull Spannable text, @NonNull Pattern pattern,
		@Nullable String scheme) {
		@@ -423,6 +503,8 @@ public class Linkify {
		* @param transformFilter Filter to allow the client code to update the link found.
		*
		* @return True if at least one link is found and applied.
		* @see #addLinks(Spannable, Pattern, String, String[], MatchFilter, TransformFilter,
		* UrlSpanFactory)
		*/
		public static final boolean addLinks(@NonNull Spannable spannable, @NonNull Pattern pattern,
		@Nullable String scheme, @Nullable MatchFilter matchFilter,
		@@ -446,10 +528,39 @@ public class Linkify {
		* @param transformFilter Filter to allow the client code to update the link found.
		*
		* @return True if at least one link is found and applied.
		*
		* @see #addLinks(Spannable, Pattern, String, String[], MatchFilter, TransformFilter,
		* UrlSpanFactory)
		*/
		public static final boolean addLinks(@NonNull Spannable spannable, @NonNull Pattern pattern,
		@Nullable String defaultScheme, @Nullable String[] schemes,
		@Nullable MatchFilter matchFilter, @Nullable TransformFilter transformFilter) {
		return addLinks(spannable, pattern, defaultScheme, schemes, matchFilter, transformFilter,
		null);
		}

		/**
		* Applies a regex to a Spannable turning the matches into links.
		*
		* @param spannable spannable whose text is to be marked-up with links.
		* @param pattern regex pattern to be used for finding links.
		* @param defaultScheme the default scheme to be prepended to links if the link does not
		* start with one of the <code>schemes</code> given.
		* @param schemes array of schemes (eg <code>http://</code>) to check if the link found
		* contains a scheme. Passing a null or empty value means prepend
		* defaultScheme
		* to all links.
		* @param matchFilter the filter that is used to allow the client code additional control
		* over which pattern matches are to be converted into links.
		* @param transformFilter filter to allow the client code to update the link found.
		* @param urlSpanFactory factory class used to create {@link URLSpan}s
		*
		* @return True if at least one link is found and applied.
		*/
		public static final boolean addLinks(@NonNull Spannable spannable, @NonNull Pattern pattern,
		@Nullable String defaultScheme, @Nullable String[] schemes,
		@Nullable MatchFilter matchFilter, @Nullable TransformFilter transformFilter,
		@Nullable UrlSpanFactory urlSpanFactory) {
		final String[] schemesCopy;
		if (defaultScheme == null) defaultScheme = "";
		if (schemes == null \|\| schemes.length < 1) {
		@@ -478,7 +589,7 @@ public class Linkify {
		if (allowed) {
		String url = makeUrl(m.group(0), schemesCopy, m, transformFilter);

		applyLink(url, start, end, spannable);
		applyLink(url, start, end, spannable, urlSpanFactory);
		hasMatches = true;
		}
		}
		@@ -486,9 +597,12 @@ public class Linkify {
		return hasMatches;
		}

		private static final void applyLink(String url, int start, int end, Spannable text) {
		URLSpan span = new URLSpan(url);

		private static void applyLink(String url, int start, int end, Spannable text,
		@Nullable UrlSpanFactory urlSpanFactory) {
		if (urlSpanFactory == null) {
		urlSpanFactory = UrlSpanFactory.getInstance();
		}
		final URLSpan span = urlSpanFactory.create(url);
		text.setSpan(span, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
		}