From d171552efd31df439756f453bb96f31d74deb473 Mon Sep 17 00:00:00 2001
From: Vitor Pamplona <vitor@vitorpamplona.com>
Date: Wed, 18 Jan 2023 09:18:26 -0500
Subject: [PATCH] Clickable Phone and Emails

---
 .../amethyst/ui/components/ClickableEmail.kt  | 38 +++++++++++++++++++
 .../amethyst/ui/components/ClickablePhone.kt  | 33 ++++++++++++++++
 .../amethyst/ui/components/RichTextViewer.kt  |  4 ++
 3 files changed, 75 insertions(+)
 create mode 100644 app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickableEmail.kt
 create mode 100644 app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickablePhone.kt

diff --git a/app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickableEmail.kt b/app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickableEmail.kt
new file mode 100644
index 000000000..caea0d0b4
--- /dev/null
+++ b/app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickableEmail.kt
@@ -0,0 +1,38 @@
+package com.vitorpamplona.amethyst.ui.components
+
+import android.content.ActivityNotFoundException
+import android.content.Context
+import android.content.Intent
+import androidx.compose.foundation.text.ClickableText
+import androidx.compose.material.LocalTextStyle
+import androidx.compose.material.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalUriHandler
+import androidx.compose.ui.text.AnnotatedString
+
+@Composable
+fun ClickableEmail(email: String) {
+  val context = LocalContext.current
+
+  ClickableText(
+    text = AnnotatedString("$email "),
+    onClick = { runCatching { context.sendMail(email) } },
+    style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary),
+  )
+}
+
+fun Context.sendMail(to: String, subject: String? = null) {
+  try {
+    val intent = Intent(Intent.ACTION_SEND)
+    intent.type = "vnd.android.cursor.item/email" // or "message/rfc822"
+    intent.putExtra(Intent.EXTRA_EMAIL, arrayOf(to))
+    if (subject != null)
+      intent.putExtra(Intent.EXTRA_SUBJECT, subject)
+    startActivity(intent)
+  } catch (e: ActivityNotFoundException) {
+    // TODO: Handle case where no email app is available
+  } catch (t: Throwable) {
+    // TODO: Handle potential other type of exceptions
+  }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickablePhone.kt b/app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickablePhone.kt
new file mode 100644
index 000000000..f71fdd975
--- /dev/null
+++ b/app/src/main/java/com/vitorpamplona/amethyst/ui/components/ClickablePhone.kt
@@ -0,0 +1,33 @@
+package com.vitorpamplona.amethyst.ui.components
+
+import android.content.ActivityNotFoundException
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import androidx.compose.foundation.text.ClickableText
+import androidx.compose.material.LocalTextStyle
+import androidx.compose.material.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.LocalUriHandler
+import androidx.compose.ui.text.AnnotatedString
+
+@Composable
+fun ClickablePhone(phone: String) {
+  val context = LocalContext.current
+
+  ClickableText(
+    text = AnnotatedString("$phone "),
+    onClick = { runCatching { context.dial(phone) } },
+    style = LocalTextStyle.current.copy(color = MaterialTheme.colors.primary),
+  )
+}
+
+fun Context.dial(phone: String) {
+  try {
+    val intent = Intent(Intent.ACTION_DIAL, Uri.fromParts("tel", phone, null))
+    startActivity(intent)
+  } catch (t: Throwable) {
+    // TODO: Handle potential exceptions
+  }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/vitorpamplona/amethyst/ui/components/RichTextViewer.kt b/app/src/main/java/com/vitorpamplona/amethyst/ui/components/RichTextViewer.kt
index d2be737cc..b7c013ecf 100644
--- a/app/src/main/java/com/vitorpamplona/amethyst/ui/components/RichTextViewer.kt
+++ b/app/src/main/java/com/vitorpamplona/amethyst/ui/components/RichTextViewer.kt
@@ -60,6 +60,10 @@ fun RichTextViewer(content: String, tags: List<List<String>>?, note: Note, accou
             } else {
               UrlPreview(word, word)
             }
+          } else if (Patterns.EMAIL_ADDRESS.matcher(word).matches()) {
+            ClickableEmail(word)
+          } else if (Patterns.PHONE.matcher(word).matches()) {
+            ClickablePhone(word)
           } else if (noProtocolUrlValidator.matcher(word).matches()) {
             UrlPreview("https://$word", word)
           } else if (tagIndex.matcher(word).matches() && tags != null) {