From 55ced4a5fb9fbb0de49fe1bfe5665daccbc535aa Mon Sep 17 00:00:00 2001
From: davidoskky <davidoskky@yahoo.it>
Date: Fri, 11 Dec 2020 04:30:22 +0100
Subject: [PATCH] Detect click on images in WebView

---
 .../fragments/ArticleFragment.kt              | 24 +++++++++++++++----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/app/src/main/java/apps/amine/bou/readerforselfoss/fragments/ArticleFragment.kt b/app/src/main/java/apps/amine/bou/readerforselfoss/fragments/ArticleFragment.kt
index fe5945d..9f9e2cc 100644
--- a/app/src/main/java/apps/amine/bou/readerforselfoss/fragments/ArticleFragment.kt
+++ b/app/src/main/java/apps/amine/bou/readerforselfoss/fragments/ArticleFragment.kt
@@ -9,16 +9,12 @@ import android.graphics.drawable.ColorDrawable
 import android.os.Build
 import android.os.Bundle
 import android.preference.PreferenceManager
-import android.view.InflateException
+import android.view.*
 import androidx.browser.customtabs.CustomTabsIntent
 import com.google.android.material.floatingactionbutton.FloatingActionButton
 import androidx.fragment.app.Fragment
 import androidx.core.content.ContextCompat
 import androidx.core.widget.NestedScrollView
-import android.view.LayoutInflater
-import android.view.MenuItem
-import android.view.View
-import android.view.ViewGroup
 import android.webkit.WebSettings
 import androidx.appcompat.app.AlertDialog
 import androidx.core.content.res.ResourcesCompat
@@ -44,6 +40,7 @@ import apps.amine.bou.readerforselfoss.utils.openItemUrl
 import apps.amine.bou.readerforselfoss.utils.shareLink
 import apps.amine.bou.readerforselfoss.utils.sourceAndDateText
 import apps.amine.bou.readerforselfoss.utils.succeeded
+import android.webkit.WebView
 import com.bumptech.glide.Glide
 import com.bumptech.glide.request.RequestOptions
 import com.github.rubensousa.floatingtoolbar.FloatingToolbar
@@ -410,6 +407,14 @@ class ArticleFragment : Fragment() {
         rootView!!.webcontent.settings.loadWithOverviewMode = true
         rootView!!.webcontent.settings.javaScriptEnabled = false
 
+        val gestureDetector = GestureDetector(activity, object : GestureDetector.SimpleOnGestureListener() {
+            override fun onSingleTapUp(e: MotionEvent?): Boolean {
+                return performClick()
+            }
+        })
+
+        rootView!!.webcontent.setOnTouchListener { _, event -> gestureDetector.onTouchEvent(event)}
+
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
             rootView!!.webcontent.settings.layoutAlgorithm =
                     WebSettings.LayoutAlgorithm.TEXT_AUTOSIZING
@@ -525,5 +530,14 @@ class ArticleFragment : Fragment() {
         }
     }
 
+    fun performClick(): Boolean {
+        if (rootView!!.webcontent.hitTestResult.type == WebView.HitTestResult.IMAGE_TYPE ||
+                rootView!!.webcontent.hitTestResult.type == WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE) {
+            //TODO: Add a way to show the image in full screen
+            return true
+        }
+        return false
+    }
+
 
 }