For mozilla-mobile#10285: Add a custom TextView for links with a11y i…

…mprovements.

app/src/main/java/org/mozilla/fenix/utils/LinkTextView.kt

@@ -0,0 +1,43 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.fenix.utils
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.accessibility.AccessibilityNodeInfo
+import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction.ACTION_LONG_CLICK
+import androidx.appcompat.widget.AppCompatTextView
+import androidx.core.view.accessibility.AccessibilityNodeInfoCompat
+import org.mozilla.fenix.R
+
+/**
+ * An [AppCompatTextView] that announces as link in screen readers for a11y purposes
+ */
+class LinkTextView @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = 0
+) : AppCompatTextView(context, attrs, defStyleAttr) {
+
+    override fun onInitializeAccessibilityNodeInfo(info: AccessibilityNodeInfo?) {
+        super.onInitializeAccessibilityNodeInfo(info)
+        val extras = info?.extras
+        extras?.putCharSequence(
+            "AccessibilityNodeInfo.roleDescription",
+            context.resources.getString(R.string.link_text_view_type_announcement)
+        )
+
+        val customClick =
+            AccessibilityNodeInfo.AccessibilityAction(
+                AccessibilityNodeInfo.ACTION_CLICK,
+                context.resources.getString(R.string.link_text_view_action_click_announcement)
+            )
+
+        info?.addAction(customClick)
+        // disable long click  announcement, as there is no action to be performed on long click
+        info?.isLongClickable = false
+        info?.removeAction(ACTION_LONG_CLICK)
+    }
+}

app/src/main/res/values/strings.xml

@@ -1324,4 +1324,9 @@
     <string name="login_deletion_confirmation">Are you sure you want to delete this login?</string>
     <!-- Positive action of a dialog asking to delete  -->
     <string name="dialog_delete_positive">Delete</string>
+
+    <!-- Content description (not visible, for screen readers etc.) used to announce [LinkTextView]. -->
+    <string name="link_text_view_type_announcement">Link</string>
+    <!-- Action description for click (not visible, for screen readers etc.) for [LinkTextView]. -->
+    <string name="link_text_view_action_click_announcement">Follow link</string>
 </resources>