83 lines
3.6 KiB
Java
83 lines
3.6 KiB
Java
/* Copyright 2017 Andrew Dawson
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky;
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import android.preference.PreferenceManager;
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import android.support.annotation.Nullable;
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import android.text.SpannableStringBuilder;
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import android.text.Spanned;
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import android.text.method.LinkMovementMethod;
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import android.text.style.ClickableSpan;
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import android.text.style.URLSpan;
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import android.view.View;
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import android.widget.TextView;
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import com.keylesspalace.tusky.entity.Status;
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class LinkHelper {
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static void setClickableText(TextView view, Spanned content,
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@Nullable Status.Mention[] mentions,
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final LinkListener listener) {
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SpannableStringBuilder builder = new SpannableStringBuilder(content);
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boolean useCustomTabs = PreferenceManager.getDefaultSharedPreferences(view.getContext())
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.getBoolean("customTabs", true);
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URLSpan[] urlSpans = content.getSpans(0, content.length(), URLSpan.class);
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for (URLSpan span : urlSpans) {
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int start = builder.getSpanStart(span);
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int end = builder.getSpanEnd(span);
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int flags = builder.getSpanFlags(span);
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CharSequence text = builder.subSequence(start, end);
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if (text.charAt(0) == '#') {
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final String tag = text.subSequence(1, text.length()).toString();
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ClickableSpan newSpan = new ClickableSpan() {
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@Override
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public void onClick(View widget) {
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listener.onViewTag(tag);
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}
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};
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builder.removeSpan(span);
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builder.setSpan(newSpan, start, end, flags);
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} else if (text.charAt(0) == '@' && mentions != null) {
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final String accountUsername = text.subSequence(1, text.length()).toString();
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String id = null;
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for (Status.Mention mention : mentions) {
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if (mention.localUsername.equals(accountUsername)) {
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id = mention.id;
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}
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}
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if (id != null) {
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final String accountId = id;
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ClickableSpan newSpan = new ClickableSpan() {
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@Override
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public void onClick(View widget) {
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listener.onViewAccount(accountId);
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}
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};
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builder.removeSpan(span);
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builder.setSpan(newSpan, start, end, flags);
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}
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} else if (useCustomTabs) {
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ClickableSpan newSpan = new CustomTabURLSpan(span.getURL());
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builder.removeSpan(span);
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builder.setSpan(newSpan, start, end, flags);
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}
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}
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view.setText(builder);
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view.setLinksClickable(true);
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view.setMovementMethod(LinkMovementMethod.getInstance());
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}
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}
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