handle markdown links

Signed-off-by: sowjanyakch <sowjanya.kch@gmail.com>

Author: sowjanyakch

app/src/main/java/com/nextcloud/talk/utils/MarkwonUtils.kt

@@ -7,17 +7,22 @@
 
 package com.nextcloud.talk.utils
 
+import android.annotation.SuppressLint
 import android.content.Context
-import android.util.Log
+import android.content.Intent
+import android.text.method.ScrollingMovementMethod
 import android.view.View
+import androidx.core.net.toUri
 import com.nextcloud.talk.R
 import io.noties.markwon.AbstractMarkwonPlugin
+import io.noties.markwon.LinkResolverDef
 import io.noties.markwon.Markwon
 import io.noties.markwon.MarkwonConfiguration
 import io.noties.markwon.core.MarkwonTheme
 import io.noties.markwon.ext.strikethrough.StrikethroughPlugin
 import io.noties.markwon.ext.tasklist.TaskListDrawable
 import io.noties.markwon.ext.tasklist.TaskListPlugin
+import io.noties.markwon.movement.MovementMethodPlugin
 
 object MarkwonUtils {
     private const val TAG = "MarkwonUtils"
@@ -31,13 +36,28 @@ object MarkwonUtils {
                 }
 
                 override fun configureConfiguration(builder: MarkwonConfiguration.Builder) {
-                    builder.linkResolver { view: View?, link: String? ->
-                        Log.i(TAG, "Link action not implemented $view / $link")
-                    }
+                    builder.linkResolver(object : LinkResolverDef() {
+                        @SuppressLint("SuspiciousIndentation")
+                        override fun resolve(view: View, link: String) {
+                            var linkToOpen = link
+                            if (!(linkToOpen.contains("http://") || linkToOpen.contains("https://"))) {
+                                linkToOpen = "https://$link"
+                            } else {
+                                linkToOpen = link
+                            }
+
+                            val browserIntent = Intent(
+                                Intent.ACTION_VIEW,
+                                linkToOpen.toUri()
+                            )
+                            context.startActivity(browserIntent)
+                        }
+                    })
                 }
             })
             .usePlugin(TaskListPlugin.create(drawable))
             .usePlugin(StrikethroughPlugin.create())
+            .usePlugin(MovementMethodPlugin.create(ScrollingMovementMethod.getInstance()))
             .build()
     }
 }

app/src/main/java/com/nextcloud/talk/utils/message/MessageUtils.kt

@@ -16,6 +16,7 @@ import android.text.Spanned
 import android.text.style.StyleSpan
 import android.util.Log
 import android.view.View
+import android.widget.TextView
 import com.nextcloud.talk.R
 import com.nextcloud.talk.chat.data.model.ChatMessage
 import com.nextcloud.talk.ui.theme.ViewThemeUtils
@@ -208,6 +209,19 @@ class MessageUtils(val context: Context) {
         return markwon.toMarkdown(markdown)
     }
 
+    fun isMarkdownInlineLink(text: String): Boolean {
+        val markdownLinkRegex = Regex("""\[([^\]]+?)]\((.*?)(?:\s+"[^"]*")?\)""")
+        return markdownLinkRegex.containsMatchIn(text)
+    }
+
+    fun hyperLinks(view: TextView, text: String) {
+        val isMarkdownLink = isMarkdownInlineLink(text)
+        if (isMarkdownLink) {
+            view.autoLinkMask = 0
+        } else {
+            view.autoLinkMask = 15
+        }
+    }
     companion object {
         private const val TAG = "MessageUtils"
         const val MAX_REPLY_LENGTH = 250