fixed #793

fixed #792

build.gradle

@@ -30,7 +30,7 @@ subprojects {
             libVersions = [
                     Kotlin               : '1.1.1',
                     SupportLib           : '25.3.1',
-                    MariotakuCommons     : '0.9.13',
+                    MariotakuCommons     : '0.9.14',
                     RestFu               : '0.9.54',
                     ObjectCursor         : '0.9.16',
                     PlayServices         : '10.2.1',

twidere.component.common/src/main/java/org/mariotaku/twidere/model/SpanItem.java

@@ -21,8 +21,6 @@ package org.mariotaku.twidere.model;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.support.annotation.IntDef;
-import android.text.Spanned;
-import android.text.style.URLSpan;
 
 import com.bluelinelabs.logansquare.annotation.JsonField;
 import com.bluelinelabs.logansquare.annotation.JsonObject;
@@ -63,21 +61,23 @@ public class SpanItem implements Parcelable {
     @ParcelableThisPlease
     public String link;
 
+    @ParcelableThisPlease
+    @JsonField(name = "type")
+    @SpanType
+    public int type = SpanType.LINK;
+
     @ParcelableNoThanks
     public int orig_start = -1;
     @ParcelableNoThanks
     public int orig_end = -1;
 
-    @ParcelableNoThanks
-    @SpanType
-    public int type = SpanType.LINK;
-
     @Override
     public String toString() {
         return "SpanItem{" +
                 "start=" + start +
                 ", end=" + end +
                 ", link='" + link + '\'' +
+                ", type=" + type +
                 ", orig_start=" + orig_start +
                 ", orig_end=" + orig_end +
                 '}';
@@ -93,18 +93,11 @@ public class SpanItem implements Parcelable {
         SpanItemParcelablePlease.writeToParcel(this, dest, flags);
     }
 
-    public static SpanItem from(Spanned spanned, URLSpan span) {
+    @IntDef({SpanType.HIDE, SpanType.LINK, SpanType.ACCT_MENTION})
-        SpanItem spanItem = new SpanItem();
-        spanItem.link = span.getURL();
-        spanItem.start = spanned.getSpanStart(span);
-        spanItem.end = spanned.getSpanEnd(span);
-        return spanItem;
-    }
-
-    @IntDef({SpanType.HIDE, SpanType.LINK})
     @Retention(RetentionPolicy.SOURCE)
     public @interface SpanType {
         int HIDE = -1;
         int LINK = 0;
+        int ACCT_MENTION = 1;
     }
 }

twidere/build.gradle

@@ -194,6 +194,7 @@ dependencies {
     compile "com.github.mariotaku.CommonsLibrary:io:${libVersions['MariotakuCommons']}"
     compile "com.github.mariotaku.CommonsLibrary:text:${libVersions['MariotakuCommons']}"
     compile "com.github.mariotaku.CommonsLibrary:text-kotlin:${libVersions['MariotakuCommons']}"
+    compile "com.github.mariotaku.CommonsLibrary:emojione:${libVersions['MariotakuCommons']}"
     compile "com.github.mariotaku:KPreferences:${libVersions['KPreferences']}"
     compile "com.github.mariotaku:Chameleon:${libVersions['Chameleon']}"
     compile 'com.github.mariotaku.QR-Code-generator:core:fcab3ea7f4'

twidere/src/main/java/org/mariotaku/twidere/util/TwidereLinkify.java

@@ -23,7 +23,6 @@ import android.support.annotation.IntDef;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.text.Spannable;
-import android.text.SpannableString;
 import android.text.Spanned;
 import android.text.style.URLSpan;
 
@@ -33,6 +32,7 @@ import com.twitter.Regex;
 
 import org.mariotaku.twidere.Constants;
 import org.mariotaku.twidere.model.UserKey;
+import org.mariotaku.twidere.text.AcctMentionSpan;
 import org.mariotaku.twidere.text.TwidereURLSpan;
 
 import java.lang.annotation.Retention;
@@ -69,6 +69,7 @@ public final class TwidereLinkify implements Constants {
     public static final int LINK_TYPE_LIST = 6;
     public static final int LINK_TYPE_CASHTAG = 7;
     public static final int LINK_TYPE_USER_ID = 8;
+    public static final int LINK_TYPE_USER_ACCT = 9;
 
     public static final int[] ALL_LINK_TYPES = new int[]{LINK_TYPE_ENTITY_URL, LINK_TYPE_LINK_IN_TEXT,
             LINK_TYPE_MENTION, LINK_TYPE_HASHTAG, LINK_TYPE_CASHTAG};
@@ -133,36 +134,6 @@ public final class TwidereLinkify implements Constants {
         }
     }
 
-    public SpannableString applyUserProfileLink(@Nullable final CharSequence text,
-            @Nullable final UserKey accountKey, final long extraId, final long userId,
-            final String screenName) {
-        return applyUserProfileLink(text, accountKey, extraId, userId, screenName, mHighlightOption);
-    }
-
-    public SpannableString applyUserProfileLink(@Nullable final CharSequence text,
-            @Nullable final UserKey accountKey, final long extraId, final long userId,
-            final String screenName, final int highlightOption) {
-        return applyUserProfileLink(text, accountKey, extraId, userId, screenName, highlightOption, mOnLinkClickListener);
-    }
-
-    public final SpannableString applyUserProfileLink(final CharSequence text,
-            @Nullable final UserKey accountKey, final long extraId, final long userId,
-            final String screenName, final int highlightOption, final OnLinkClickListener listener) {
-        final SpannableString string = SpannableString.valueOf(text);
-        final URLSpan[] spans = string.getSpans(0, string.length(), URLSpan.class);
-        for (final URLSpan span : spans) {
-            string.removeSpan(span);
-        }
-        if (userId > 0) {
-            applyLink(String.valueOf(userId), null, 0, string.length(), string, accountKey, extraId,
-                    LINK_TYPE_USER_ID, false, highlightOption, listener);
-        } else if (screenName != null) {
-            applyLink(screenName, null, 0, string.length(), string, accountKey, extraId,
-                    LINK_TYPE_MENTION, false, highlightOption, listener);
-        }
-        return string;
-    }
-
     public void setHighlightOption(@HighlightStyle final int style) {
         mHighlightOption = style;
     }
@@ -218,7 +189,10 @@ public final class TwidereLinkify implements Constants {
                     }
                     string.removeSpan(span);
                     String url = span.getURL();
-                    if (accountKey != null && USER_TYPE_FANFOU_COM.equals(accountKey.getHost())) {
+                    int linkType = type;
+                    if (span instanceof AcctMentionSpan) {
+                        linkType = LINK_TYPE_USER_ACCT;
+                    } else if (accountKey != null && USER_TYPE_FANFOU_COM.equals(accountKey.getHost())) {
                         // Fix search path
                         if (url.startsWith("/")) {
                             url = "http://fanfou.com" + url;
@@ -236,8 +210,8 @@ public final class TwidereLinkify implements Constants {
                         }
                     }
                     applyLink(url, String.valueOf(string.subSequence(start, end)), start, end,
-                            string, accountKey, extraId, LINK_TYPE_ENTITY_URL, sensitive,
+                            string, accountKey, extraId, linkType, sensitive, highlightOption,
-                            highlightOption, listener);
+                            listener);
                 }
                 break;
             }

twidere/src/main/kotlin/org/mariotaku/ktextension/ArrayExtensions.kt

@@ -33,3 +33,11 @@ inline fun <T, reified R> Array<T>.mapIndexedToArray(transform: (Int, T) -> R):
 inline fun <reified R> LongArray.mapToArray(transform: (Long) -> R): Array<R> {
     return Array(size) { transform(this[it]) }
 }
+
+fun CharArray.indexOf(element: Char, start: Int, len: Int): Int {
+    @Suppress("LoopToCallChain")
+    for (i in rangeOfSize(start, len)) {
+        if (this[i] == element) return i
+    }
+    return -1
+}

twidere/src/main/kotlin/org/mariotaku/twidere/extension/URLSpanExtensions.kt

@@ -0,0 +1,37 @@
+/*
+ *             Twidere - Twitter client for Android
+ *
+ *  Copyright (C) 2012-2017 Mariotaku Lee <mariotaku.lee@gmail.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.mariotaku.twidere.extension
+
+import android.text.Spanned
+import android.text.style.URLSpan
+import org.mariotaku.twidere.model.SpanItem
+
+/**
+ * Created by mariotaku on 2017/4/26.
+ */
+
+fun URLSpan.toSpanItem(spanned: Spanned): SpanItem {
+    val spanItem = SpanItem()
+    spanItem.link = url
+    spanItem.type = SpanItem.SpanType.LINK
+    spanItem.start = spanned.getSpanStart(this)
+    spanItem.end = spanned.getSpanEnd(this)
+    return spanItem
+}

twidere/src/main/kotlin/org/mariotaku/twidere/extension/model/SpanItemExtensions.kt

@@ -23,6 +23,7 @@ import android.text.Spannable
 import android.text.Spanned
 import android.text.style.URLSpan
 import org.mariotaku.twidere.model.SpanItem
+import org.mariotaku.twidere.text.AcctMentionSpan
 import org.mariotaku.twidere.text.ZeroWidthSpan
 
 val SpanItem.length: Int get() = end - start
@@ -34,6 +35,10 @@ fun Array<SpanItem>.applyTo(spannable: Spannable) {
                 spannable.setSpan(ZeroWidthSpan(), span.start, span.end,
                         Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
             }
+            SpanItem.SpanType.ACCT_MENTION -> {
+                spannable.setSpan(AcctMentionSpan(span.link), span.start, span.end,
+                        Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
+            }
             else -> {
                 spannable.setSpan(URLSpan(span.link), span.start, span.end,
                         Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)

twidere/src/main/kotlin/org/mariotaku/twidere/extension/model/UserKeyExtensions.kt

@@ -25,10 +25,10 @@ import org.mariotaku.twidere.model.UserKey
  * Created by mariotaku on 2017/4/19.
  */
 
-private const val mastodonPlaceholderId = "#mastodon*placeholder#"
+private const val acctPlaceholderId = "#acct*placeholder#"
 
-val UserKey.isMastodonPlaceholder get() = mastodonPlaceholderId == id && host != null
+val UserKey.isAcctPlaceholder get() = acctPlaceholderId == id && host != null
 
-fun MastodonPlaceholderUserKey(host: String?): UserKey {
+fun AcctPlaceholderUserKey(host: String?): UserKey {
-    return UserKey(mastodonPlaceholderId, host)
+    return UserKey(acctPlaceholderId, host)
 }

twidere/src/main/kotlin/org/mariotaku/twidere/extension/model/api/StatusExtensions.kt

@@ -24,12 +24,14 @@ import android.text.style.URLSpan
 import org.mariotaku.ktextension.mapToArray
 import org.mariotaku.microblog.library.twitter.model.Status
 import org.mariotaku.twidere.extension.model.toParcelable
+import org.mariotaku.twidere.extension.toSpanItem
 import org.mariotaku.twidere.model.*
 import org.mariotaku.twidere.model.util.ParcelableLocationUtils
 import org.mariotaku.twidere.model.util.ParcelableMediaUtils
 import org.mariotaku.twidere.model.util.ParcelableStatusUtils.addFilterFlag
 import org.mariotaku.twidere.model.util.ParcelableUserMentionUtils
 import org.mariotaku.twidere.model.util.UserKeyUtils
+import org.mariotaku.twidere.text.AcctMentionSpan
 import org.mariotaku.twidere.util.HtmlSpanBuilder
 import org.mariotaku.twidere.util.InternalTwitterContentUtils
 
@@ -183,7 +185,13 @@ fun Status.toParcelable(accountKey: UserKey, accountType: String, profileImageSi
 }
 
 internal inline val CharSequence.spanItems get() = (this as? Spanned)?.let { text ->
-    text.getSpans(0, length, URLSpan::class.java).mapToArray { SpanItem.from(text, it) }
+    text.getSpans(0, length, URLSpan::class.java).mapToArray {
+        val item = it.toSpanItem(text)
+        if (it is AcctMentionSpan) {
+            item.type = SpanItem.SpanType.ACCT_MENTION
+        }
+        return@mapToArray item
+    }
 }
 
 internal inline val String.isHtml get() = contains('<') && contains('>')

twidere/src/main/kotlin/org/mariotaku/twidere/extension/model/api/mastodon/AccountExtensions.kt

@@ -28,6 +28,7 @@ import org.mariotaku.twidere.model.ParcelableUser
 import org.mariotaku.twidere.model.UserKey
 import org.mariotaku.twidere.util.HtmlEscapeHelper
 import org.mariotaku.twidere.util.HtmlSpanBuilder
+import org.mariotaku.twidere.util.emoji.EmojioneTranslator
 
 /**
  * Created by mariotaku on 2017/4/18.
@@ -49,7 +50,7 @@ fun Account.toParcelable(accountKey: UserKey, position: Long = 0): ParcelableUse
     obj.name = name
     obj.screen_name = username
     if (note?.isHtml ?: false) {
-        val descriptionHtml = HtmlSpanBuilder.fromHtml(note, note)
+        val descriptionHtml = HtmlSpanBuilder.fromHtml(note, note, MastodonSpanProcessor)
         obj.description_unescaped = descriptionHtml?.toString()
         obj.description_plain = obj.description_unescaped
         obj.description_spans = descriptionHtml?.spanItems
@@ -72,6 +73,7 @@ fun Account.toParcelable(accountKey: UserKey, position: Long = 0): ParcelableUse
 
 inline val Account.host: String? get() = acct?.let(UserKey::valueOf)?.host
 
-inline val Account.name: String? get() = displayName?.takeIf(String::isNotEmpty) ?: username
+inline val Account.name: String? get() = displayName?.takeIf(String::isNotEmpty)
+        ?.let(EmojioneTranslator::translate) ?: username
 
 fun Account.getKey(host: String?) = UserKey(id, acct?.let(UserKey::valueOf)?.host ?: host)

twidere/src/main/kotlin/org/mariotaku/twidere/extension/model/api/mastodon/StatusExtensions.kt

@@ -19,12 +19,18 @@
 
 package org.mariotaku.twidere.extension.model.api.mastodon
 
+import android.net.Uri
+import android.text.Editable
+import android.text.Spanned
 import org.mariotaku.ktextension.mapToArray
 import org.mariotaku.microblog.library.mastodon.model.Status
 import org.mariotaku.twidere.extension.model.api.spanItems
 import org.mariotaku.twidere.model.*
 import org.mariotaku.twidere.model.util.ParcelableStatusUtils.addFilterFlag
+import org.mariotaku.twidere.text.AcctMentionSpan
+import org.mariotaku.twidere.util.HtmlEscapeHelper
 import org.mariotaku.twidere.util.HtmlSpanBuilder
+import org.mariotaku.twidere.util.emoji.EmojioneTranslator
 
 fun Status.toParcelable(details: AccountDetails): ParcelableStatus {
     return toParcelable(details.key).apply {
@@ -40,7 +46,7 @@ fun Status.toParcelable(accountKey: UserKey): ParcelableStatus {
     result.sort_id = sortId
     result.timestamp = createdAt?.time ?: 0
 
-    extras.summary_text = spoilerText
+    extras.summary_text = spoilerText?.let(EmojioneTranslator::translate)
     extras.visibility = visibility
     extras.external_url = url
 
@@ -83,9 +89,8 @@ fun Status.toParcelable(accountKey: UserKey): ParcelableStatus {
     result.user_screen_name = account.username
     result.user_profile_image_url = account.avatar
     result.user_is_protected = account.isLocked
-    // Twitter will escape <> to &lt;&gt;, so if a status contains those symbols unescaped
+    // Mastodon has HTML formatted content text
-    // We should treat this as an html
+    val html = HtmlSpanBuilder.fromHtml(status.content, status.content, MastodonSpanProcessor)
-    val html = HtmlSpanBuilder.fromHtml(status.content, status.content)
     result.text_unescaped = html?.toString()
     result.text_plain = result.text_unescaped
     result.spans = html?.spanItems
@@ -106,3 +111,24 @@ private fun calculateDisplayTextRange(spans: Array<SpanItem>?, media: Array<Parc
     val lastMatch = spans.lastOrNull { span -> media.any { span.link == it.page_url } } ?: return null
     return intArrayOf(0, lastMatch.start)
 }
+
+object MastodonSpanProcessor : HtmlSpanBuilder.SpanProcessor {
+
+    override fun appendText(text: Editable, buffer: CharArray, start: Int, len: Int): Boolean {
+        val unescaped = HtmlEscapeHelper.unescape(String(buffer, start, len))
+        text.append(EmojioneTranslator.translate(unescaped))
+        return true
+    }
+
+    override fun applySpan(text: Editable, start: Int, end: Int, info: HtmlSpanBuilder.TagInfo): Boolean {
+        val clsAttr = info.getAttribute("class") ?: return false
+        val hrefAttr = info.getAttribute("href") ?: return false
+        // Is mention or hashtag
+        if ("mention" !in clsAttr.split(" ")) return false
+        if (text[start] != '@') return false
+        text.setSpan(AcctMentionSpan(text.substring(start + 1, end), Uri.parse(hrefAttr).host),
+                start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
+        return true
+    }
+
+}

twidere/src/main/kotlin/org/mariotaku/twidere/fragment/UserFragment.kt

@@ -639,7 +639,7 @@ class UserFragment : BaseFragment(), OnClickListener, OnLinkClickListener,
                     val accountKey = data.getParcelableExtra<UserKey>(EXTRA_ACCOUNT_KEY)
                     var userKey = user.key
                     if (account?.type == AccountType.MASTODON && account?.key?.host != accountKey.host) {
-                        userKey = MastodonPlaceholderUserKey(user.key.host)
+                        userKey = AcctPlaceholderUserKey(user.key.host)
                     }
                     @Referral
                     val referral = arguments.getString(EXTRA_REFERRAL)

twidere/src/main/kotlin/org/mariotaku/twidere/loader/ParcelableUserLoader.kt

@@ -41,7 +41,7 @@ import org.mariotaku.twidere.annotation.Referral
 import org.mariotaku.twidere.extension.api.tryShowUser
 import org.mariotaku.twidere.extension.model.api.mastodon.toParcelable
 import org.mariotaku.twidere.extension.model.api.toParcelable
-import org.mariotaku.twidere.extension.model.isMastodonPlaceholder
+import org.mariotaku.twidere.extension.model.isAcctPlaceholder
 import org.mariotaku.twidere.extension.model.newMicroBlogInstance
 import org.mariotaku.twidere.model.AccountDetails
 import org.mariotaku.twidere.model.ParcelableUser
@@ -162,7 +162,7 @@ class ParcelableUserLoader(
     private fun showMastodonUser(details: AccountDetails): ParcelableUser {
         val mastodon = details.newMicroBlogInstance(context, Mastodon::class.java)
         if (userKey == null) throw MicroBlogException("Invalid user id")
-        if (!userKey.isMastodonPlaceholder) {
+        if (!userKey.isAcctPlaceholder) {
             return mastodon.getAccount(userKey.id).toParcelable(details)
         }
         if (screenName == null) throw MicroBlogException("Screen name required")

twidere/src/main/kotlin/org/mariotaku/twidere/text/AcctMentionSpan.kt

@@ -0,0 +1,31 @@
+/*
+ *             Twidere - Twitter client for Android
+ *
+ *  Copyright (C) 2012-2017 Mariotaku Lee <mariotaku.lee@gmail.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.mariotaku.twidere.text
+
+import android.text.style.URLSpan
+import org.mariotaku.twidere.model.UserKey
+
+/**
+ * Created by mariotaku on 2017/4/26.
+ */
+
+class AcctMentionSpan(acct: String) : URLSpan(acct) {
+    constructor(screenName: String, host: String?) : this(UserKey(screenName, host).toString())
+}

twidere/src/main/kotlin/org/mariotaku/twidere/util/HtmlSpanBuilder.kt

@@ -20,6 +20,7 @@
 package org.mariotaku.twidere.util
 
 import android.graphics.Typeface
+import android.text.Editable
 import android.text.Spannable
 import android.text.SpannableStringBuilder
 import android.text.Spanned
@@ -39,8 +40,8 @@ object HtmlSpanBuilder {
     private val PARSER = SimpleMarkupParser(ParseConfiguration.htmlConfiguration())
 
     @Throws(HtmlParseException::class)
-    fun fromHtml(html: String): Spannable {
+    fun fromHtml(html: String, processor: SpanProcessor? = null): Spannable {
-        val handler = HtmlSpanHandler()
+        val handler = HtmlSpanHandler(processor)
         try {
             PARSER.parse(html, handler)
         } catch (e: ParseException) {
@@ -50,17 +51,19 @@ object HtmlSpanBuilder {
         return handler.text
     }
 
-    fun fromHtml(html: String?, fallback: CharSequence?): CharSequence? {
+    fun fromHtml(html: String?, fallback: CharSequence?, processor: SpanProcessor? = null): CharSequence? {
         if (html == null) return fallback
         try {
-            return fromHtml(html)
+            return fromHtml(html, processor)
         } catch (e: HtmlParseException) {
             return fallback
         }
 
     }
 
-    private fun applyTag(sb: SpannableStringBuilder, start: Int, end: Int, info: TagInfo) {
+    private fun applyTag(sb: SpannableStringBuilder, start: Int, end: Int, info: TagInfo,
+            processor: SpanProcessor?) {
+        if (processor?.applySpan(sb, start, end, info) ?: false) return
         if (info.nameLower == "br") {
             sb.append('\n')
         } else {
@@ -88,26 +91,50 @@ object HtmlSpanBuilder {
         return info.indexOfLast { it.name.equals(name, ignoreCase = true) }
     }
 
-    private class HtmlParseException : RuntimeException {
+    interface SpanProcessor {
-        internal constructor() : super() {}
 
-        internal constructor(detailMessage: String) : super(detailMessage) {}
+        /**
+         * @param text Text before content in [buffer] appended
+         * @param buffer Raw html buffer
+         * @param start Start index of text to append in [buffer]
+         * @param len Length of text to append in [buffer]
+         */
+        fun appendText(text: Editable, buffer: CharArray, start: Int, len: Int): Boolean = false
 
-        internal constructor(detailMessage: String, throwable: Throwable) : super(detailMessage, throwable) {}
+        /**
+         * @param text Text to apply span from [info]
+         * @param start Start index for applying span
+         * @param end End index for applying span
+         * @param info Tag info
+         */
+        fun applySpan(text: Editable, start: Int, end: Int, info: TagInfo): Boolean = false
 
-        internal constructor(throwable: Throwable) : super(throwable) {}
     }
 
-    private data class TagInfo(val start: Int, val name: String, val attributes: Map<String, String>?) {
+    data class TagInfo(val start: Int, val name: String, val attributes: Map<String, String>?) {
 
         val nameLower = name.toLowerCase(Locale.US)
 
-        internal fun getAttribute(attr: String): String? {
+        fun getAttribute(attr: String): String? {
             return attributes?.get(attr)
         }
     }
 
-    private class HtmlSpanHandler internal constructor() : AbstractSimpleMarkupHandler() {
+    private class HtmlParseException : RuntimeException {
+
+        internal constructor() : super()
+
+        internal constructor(detailMessage: String) : super(detailMessage)
+        internal constructor(detailMessage: String, throwable: Throwable) : super(detailMessage, throwable)
+
+
+        internal constructor(throwable: Throwable) : super(throwable)
+
+    }
+
+    private class HtmlSpanHandler(
+            val processor: SpanProcessor?
+    ) : AbstractSimpleMarkupHandler() {
 
         private val sb = SpannableStringBuilder()
         private var tagInfo = ArrayList<TagInfo>()
@@ -122,7 +149,9 @@ object HtmlSpanBuilder {
                     if (buffer[lineBreakIndex] == '\n') break
                     lineBreakIndex++
                 }
-                sb.append(HtmlEscapeHelper.unescape(String(buffer, cur, lineBreakIndex - cur)))
+                if (!(processor?.appendText(sb, buffer, cur, lineBreakIndex - cur) ?: false)) {
+                    sb.append(HtmlEscapeHelper.unescape(String(buffer, cur, lineBreakIndex - cur)))
+                }
                 cur = lineBreakIndex + 1
             }
             lastTag = null
@@ -132,7 +161,7 @@ object HtmlSpanBuilder {
             val lastIndex = lastIndexOfTag(tagInfo, elementName)
             if (lastIndex == -1) return
             val info = tagInfo[lastIndex]
-            applyTag(sb, info.start, sb.length, info)
+            applyTag(sb, info.start, sb.length, info, processor)
             tagInfo.removeAt(lastIndex)
             lastTag = info
         }
@@ -153,11 +182,12 @@ object HtmlSpanBuilder {
                 minimized: Boolean, line: Int, col: Int) {
             if (minimized) {
                 val info = TagInfo(sb.length, elementName, attributes)
-                applyTag(sb, info.start, sb.length, info)
+                applyTag(sb, info.start, sb.length, info, processor)
             }
         }
 
         val text: Spannable
             get() = sb
     }
+
 }

twidere/src/main/kotlin/org/mariotaku/twidere/util/OnLinkClickHandler.kt

@@ -33,6 +33,7 @@ import org.mariotaku.twidere.app.TwidereApplication
 import org.mariotaku.twidere.constant.IntentConstants.EXTRA_ACCOUNT_KEY
 import org.mariotaku.twidere.constant.displaySensitiveContentsKey
 import org.mariotaku.twidere.constant.newDocumentApiKey
+import org.mariotaku.twidere.extension.model.AcctPlaceholderUserKey
 import org.mariotaku.twidere.model.UserKey
 import org.mariotaku.twidere.model.util.ParcelableMediaUtils
 import org.mariotaku.twidere.util.TwidereLinkify.OnLinkClickListener
@@ -108,6 +109,12 @@ open class OnLinkClickHandler(
                         preferences[newDocumentApiKey], Referral.USER_MENTION, null)
                 return true
             }
+            TwidereLinkify.LINK_TYPE_USER_ACCT -> {
+                val acctKey = UserKey.valueOf(link)
+                IntentUtils.openUserProfile(context, accountKey, AcctPlaceholderUserKey(acctKey.host),
+                        acctKey.id, null, preferences[newDocumentApiKey], Referral.USER_MENTION, null)
+                return true
+            }
         }
         return false
     }

twidere/src/main/kotlin/org/mariotaku/twidere/util/emoji/EmojioneTranslator.kt

@@ -0,0 +1,27 @@
+/*
+ *             Twidere - Twitter client for Android
+ *
+ *  Copyright (C) 2012-2017 Mariotaku Lee <mariotaku.lee@gmail.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.mariotaku.twidere.util.emoji
+
+import org.mariotaku.commons.emojione.ShortnameToUnicodeTranslator
+
+/**
+ * Created by mariotaku on 2017/4/26.
+ */
+object EmojioneTranslator: ShortnameToUnicodeTranslator()