handle markdown links

app/src/main/java/com/nextcloud/talk/adapters/messages/IncomingTextMessageViewHolder.kt

@@ -106,6 +106,10 @@ class IncomingTextMessageViewHolder(itemView: View, payload: Any) :
                 viewThemeUtils
             )
 
+            message.message?.let {
+                messageUtils.hyperLinks(binding.messageText, message.message!!)
+            }
+
             val spansFromString: Array<Any> = processedMessageText!!.getSpans(
                 0,
                 processedMessageText.length,
@@ -135,6 +139,7 @@ class IncomingTextMessageViewHolder(itemView: View, payload: Any) :
                 message,
                 itemView
             )
+
             val messageParameters = message.messageParameters
             if (
                 (messageParameters == null || messageParameters.size <= 0) &&

app/src/main/java/com/nextcloud/talk/adapters/messages/OutcomingTextMessageViewHolder.kt

@@ -117,6 +117,10 @@ class OutcomingTextMessageViewHolder(itemView: View) :
                 viewThemeUtils
             )
 
+            message.message?.let {
+                messageUtils.hyperLinks(binding.messageText, message.message!!)
+            }
+
             val spansFromString: Array<Any> = processedMessageText!!.getSpans(
                 0,
                 processedMessageText.length,

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

@@ -0,0 +1,59 @@
+/*
+ * Nextcloud Talk - Android Client
+ *
+ * SPDX-FileCopyrightText: 2025 Sowjanya Kota <[email protected]>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package com.nextcloud.talk.utils
+
+import android.content.Context
+import android.content.Intent
+import android.util.Log
+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.tables.TablePlugin
+import io.noties.markwon.ext.tasklist.TaskListDrawable
+import io.noties.markwon.ext.tasklist.TaskListPlugin
+
+object MarkdownUtils {
+    private const val TAG = "MarkdownUtils"
+
+    fun build(context: Context, textColor: Int): Markwon {
+        val drawable = TaskListDrawable(textColor, textColor, context.getColor(R.color.bg_default))
+        return Markwon.builder(context)
+            .usePlugin(object : AbstractMarkwonPlugin() {
+                override fun configureTheme(builder: MarkwonTheme.Builder) {
+                    builder.isLinkUnderlined(true).headingBreakHeight(0)
+                }
+
+                override fun configureConfiguration(builder: MarkwonConfiguration.Builder) {
+                    builder.linkResolver(object : LinkResolverDef() {
+                        override fun resolve(view: View, link: String) {
+                            Log.i(TAG, "Link - $view / $link")
+                            var linkToOpen = link
+                            if (!(linkToOpen.contains("http://") || linkToOpen.contains("https://"))) {
+                                linkToOpen = "https://$link"
+                            }
+                            val browserIntent = Intent(
+                                Intent.ACTION_VIEW,
+                                linkToOpen.toUri()
+                            )
+                            context.startActivity(browserIntent)
+                        }
+                    })
+                }
+            })
+            .usePlugin(TaskListPlugin.create(drawable))
+            .usePlugin(StrikethroughPlugin.create())
+            .usePlugin(TablePlugin.create { _ -> })
+            .build()
+    }
+}

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

@@ -13,21 +13,14 @@ import android.text.SpannableString
 import android.text.SpannableStringBuilder
 import android.text.Spanned
 import android.text.style.StyleSpan
-import android.util.Log
 import android.view.View
+import android.widget.TextView
 import androidx.core.net.toUri
 import com.nextcloud.talk.R
 import com.nextcloud.talk.chat.data.model.ChatMessage
 import com.nextcloud.talk.ui.theme.ViewThemeUtils
 import com.nextcloud.talk.utils.DisplayUtils
-import io.noties.markwon.AbstractMarkwonPlugin
-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.tables.TablePlugin
-import io.noties.markwon.ext.tasklist.TaskListDrawable
-import io.noties.markwon.ext.tasklist.TaskListPlugin
+import com.nextcloud.talk.utils.MarkdownUtils
 
 class MessageUtils(val context: Context) {
     fun enrichChatReplyMessageText(
@@ -203,26 +196,27 @@ class MessageUtils(val context: Context) {
     }
 
     fun getRenderedMarkdownText(context: Context, markdown: String, textColor: Int): Spanned {
-        val drawable = TaskListDrawable(textColor, textColor, context.getColor(R.color.bg_default))
-        val markwon = Markwon.builder(context).usePlugin(object : AbstractMarkwonPlugin() {
-            override fun configureTheme(builder: MarkwonTheme.Builder) {
-                builder.isLinkUnderlined(true).headingBreakHeight(0)
-            }
-
-            override fun configureConfiguration(builder: MarkwonConfiguration.Builder) {
-                builder.linkResolver { view: View?, link: String? ->
-                    Log.i(TAG, "Link action not implemented $view / $link")
-                }
-            }
-        })
-            .usePlugin(TaskListPlugin.create(drawable))
-            .usePlugin(TablePlugin.create { _ -> })
-            .usePlugin(StrikethroughPlugin.create()).build()
+        val markwon = MarkdownUtils.build(context, textColor)
         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 = AUTO_LINK_NONE
+        } else {
+            view.autoLinkMask = AUTO_LINK_ALL
+        }
+    }
     companion object {
         private const val TAG = "MessageUtils"
         const val MAX_REPLY_LENGTH = 250
+        const val AUTO_LINK_NONE = 0
+        const val AUTO_LINK_ALL = 15
     }
 }