Avoid showing WebView button in reader errors if page isn't actually from web

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/pager/PagerPageHolder.kt

@@ -235,7 +235,7 @@ class PagerPageHolder(
      */
     private fun setError() {
         progressIndicator.hide()
-        showErrorLayout(withOpenInWebView = false)
+        showErrorLayout()
     }
 
     override fun onImageLoaded() {
@@ -248,8 +248,7 @@ class PagerPageHolder(
      */
     override fun onImageLoadError() {
         super.onImageLoadError()
-        progressIndicator.hide()
-        showErrorLayout(withOpenInWebView = true)
+        setError()
     }
 
     /**
@@ -260,23 +259,27 @@ class PagerPageHolder(
         viewer.activity.hideMenu()
     }
 
-    private fun showErrorLayout(withOpenInWebView: Boolean): ReaderErrorBinding {
+    private fun showErrorLayout(): ReaderErrorBinding {
         if (errorLayout == null) {
             errorLayout = ReaderErrorBinding.inflate(LayoutInflater.from(context), this, true)
             errorLayout?.actionRetry?.viewer = viewer
             errorLayout?.actionRetry?.setOnClickListener {
                 page.chapter.pageLoader?.retryPage(page)
             }
-            val imageUrl = page.imageUrl
-            if (imageUrl.orEmpty().startsWith("http", true)) {
+        }
+
+        val imageUrl = page.imageUrl
+        errorLayout?.actionOpenInWebView?.isVisible = imageUrl != null
+        if (imageUrl != null) {
+            if (imageUrl.startsWith("http", true)) {
                 errorLayout?.actionOpenInWebView?.viewer = viewer
                 errorLayout?.actionOpenInWebView?.setOnClickListener {
-                    val intent = WebViewActivity.newIntent(context, imageUrl!!)
+                    val intent = WebViewActivity.newIntent(context, imageUrl)
                     context.startActivity(intent)
                 }
             }
         }
-        errorLayout?.actionOpenInWebView?.isVisible = withOpenInWebView
+
         errorLayout?.root?.isVisible = true
         return errorLayout!!
     }

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/webtoon/WebtoonPageHolder.kt

@@ -80,7 +80,7 @@ class WebtoonPageHolder(
         refreshLayoutParams()
 
         frame.onImageLoaded = { onImageDecoded() }
-        frame.onImageLoadError = { onImageDecodeError() }
+        frame.onImageLoadError = { setError() }
         frame.onScaleChanged = { viewer.activity.hideMenu() }
     }
 
@@ -240,7 +240,7 @@ class WebtoonPageHolder(
      */
     private fun setError() {
         progressContainer.isVisible = false
-        initErrorLayout(withOpenInWebView = false)
+        initErrorLayout()
     }
 
     /**
@@ -251,14 +251,6 @@ class WebtoonPageHolder(
         removeErrorLayout()
     }
 
-    /**
-     * Called when the image fails to decode.
-     */
-    private fun onImageDecodeError() {
-        progressContainer.isVisible = false
-        initErrorLayout(withOpenInWebView = true)
-    }
-
     /**
      * Creates a new progress bar.
      */
@@ -278,22 +270,26 @@ class WebtoonPageHolder(
     /**
      * Initializes a button to retry pages.
      */
-    private fun initErrorLayout(withOpenInWebView: Boolean): ReaderErrorBinding {
+    private fun initErrorLayout(): ReaderErrorBinding {
         if (errorLayout == null) {
             errorLayout = ReaderErrorBinding.inflate(LayoutInflater.from(context), frame, true)
             errorLayout?.root?.layoutParams = FrameLayout.LayoutParams(MATCH_PARENT, (parentHeight * 0.8).toInt())
             errorLayout?.actionRetry?.setOnClickListener {
                 page?.let { it.chapter.pageLoader?.retryPage(it) }
             }
-            val imageUrl = page?.imageUrl
-            if (imageUrl.orEmpty().startsWith("http", true)) {
+        }
+
+        val imageUrl = page?.imageUrl
+        errorLayout?.actionOpenInWebView?.isVisible = imageUrl != null
+        if (imageUrl != null) {
+            if (imageUrl.startsWith("http", true)) {
                 errorLayout?.actionOpenInWebView?.setOnClickListener {
-                    val intent = WebViewActivity.newIntent(context, imageUrl!!)
+                    val intent = WebViewActivity.newIntent(context, imageUrl)
                     context.startActivity(intent)
                 }
             }
         }
-        errorLayout?.actionOpenInWebView?.isVisible = withOpenInWebView
+
         return errorLayout!!
     }