From 5a96cad4a9e3eaf93f962fdb381027d60ded68a7 Mon Sep 17 00:00:00 2001
From: Satindar Dhillon <satindar@gmail.com>
Date: Tue, 8 Nov 2022 10:16:40 -0800
Subject: [PATCH] add hook to detect taps on an existing annotation

---
 .../omnivore/omnivore/ui/reader/PDFReader.kt    | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/PDFReader.kt b/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/PDFReader.kt
index 7cabf172b..8ad7c68a9 100644
--- a/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/PDFReader.kt
+++ b/android/Omnivore/app/src/main/java/app/omnivore/omnivore/ui/reader/PDFReader.kt
@@ -1,10 +1,12 @@
 package app.omnivore.omnivore.ui.reader
 
+import android.graphics.PointF
 import android.graphics.RectF
 import android.graphics.drawable.Drawable
 import android.net.Uri
 import android.os.Bundle
 import android.util.Log
+import android.view.MotionEvent
 import android.view.View
 import android.widget.ImageView
 import androidx.activity.viewModels
@@ -252,6 +254,21 @@ class PDFReaderActivity: AppCompatActivity(), DocumentListener {
     }
   }
 
+  override fun onPageClick(
+    document: PdfDocument,
+    pageIndex: Int,
+    event: MotionEvent?,
+    pagePosition: PointF?,
+    clickedAnnotation: Annotation?
+  ): Boolean {
+    if (clickedAnnotation != null) {
+      // TODO: show menu with delete and add note buttons
+      Log.d("pdf", "clicked annotation: $clickedAnnotation")
+    }
+
+    return super.onPageClick(document, pageIndex, event, pagePosition, clickedAnnotation)
+  }
+
   private fun tintDrawable(drawable: Drawable, tint: Int): Drawable {
     val tintedDrawable = DrawableCompat.wrap(drawable)
     DrawableCompat.setTint(tintedDrawable, tint)