Use addLinks method on message. Next step is to proceed the url to navigate.

This commit is contained in:
ganfra
2018-12-19 11:50:44 +01:00
parent 58f60eaab4
commit fdd4642cbb
5 changed files with 78 additions and 15 deletions

View File

@ -1,34 +1,69 @@
package im.vector.matrix.android.api.permalinks
import android.text.Spannable
import android.text.SpannableStringBuilder
import android.text.SpannableString
import android.text.method.LinkMovementMethod
import android.widget.TextView
object MatrixUrlLinkify {
/**
* Find the matrix spans i.e matrix id , user id ... to display them as URL.
*
* @param spannableStringBuilder the text in which the matrix items has to be clickable.
* @param spannable the text in which the matrix items has to be clickable.
*/
fun addLinks(spannableStringBuilder: SpannableStringBuilder, callback: MatrixURLSpan.Callback?) {
fun addLinks(spannable: Spannable?, callback: MatrixURLSpan.Callback?): Boolean {
// sanity checks
if (spannableStringBuilder.isEmpty()) {
return
if (spannable.isNullOrEmpty()) {
return false
}
val text = spannableStringBuilder.toString()
val text = spannable.toString()
var hasMatch = false
for (index in MatrixPatterns.MATRIX_PATTERNS.indices) {
val pattern = MatrixPatterns.MATRIX_PATTERNS[index]
val matcher = pattern.matcher(spannableStringBuilder)
val matcher = pattern.matcher(spannable)
while (matcher.find()) {
hasMatch = true
val startPos = matcher.start(0)
if (startPos == 0 || text[startPos - 1] != '/') {
val endPos = matcher.end(0)
val url = text.substring(matcher.start(0), matcher.end(0))
val span = MatrixURLSpan(url, callback)
spannableStringBuilder.setSpan(span, startPos, endPos, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
spannable.setSpan(span, startPos, endPos, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
}
}
}
return hasMatch
}
fun addLinks(textView: TextView, callback: MatrixURLSpan.Callback?): Boolean {
val text = textView.text
if (text is Spannable) {
if (addLinks(text, callback)) {
addLinkMovementMethod(textView)
return true
}
return false
} else {
val spannableString = SpannableString.valueOf(text)
if (addLinks(spannableString, callback)) {
addLinkMovementMethod(textView)
textView.text = spannableString
return true
}
return false
}
}
private fun addLinkMovementMethod(textView: TextView) {
val movementMethod = textView.movementMethod
if (movementMethod == null || movementMethod !is LinkMovementMethod) {
if (textView.linksClickable) {
textView.movementMethod = LinkMovementMethod.getInstance()
}
}
}