feat:正文图片添加失败图,加载失败删除

app/src/main/java/io/legado/app/ui/book/read/page/provider/ImageProvider.kt

@@ -1,6 +1,10 @@
 package io.legado.app.ui.book.read.page.provider
 
 import android.graphics.Bitmap
+import com.bumptech.glide.load.engine.GlideException
+import com.bumptech.glide.load.DataSource
+import com.bumptech.glide.request.RequestListener
+import com.bumptech.glide.request.target.Target
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookSource
 import io.legado.app.help.BookHelp
@@ -8,9 +12,11 @@ import io.legado.app.help.glide.ImageLoader
 import io.legado.app.model.localBook.EpubFile
 import io.legado.app.utils.BitmapUtils
 import io.legado.app.utils.FileUtils
+import io.legado.app.R
 import kotlinx.coroutines.runBlocking
 import splitties.init.appCtx
 import java.io.FileOutputStream
+import java.io.File
 import java.util.concurrent.ConcurrentHashMap
 
 object ImageProvider {
@@ -37,10 +43,36 @@ object ImageProvider {
                 }
             }
         }
-        return try {
-            ImageLoader.loadBitmap(appCtx, vFile.absolutePath).submit().get()
-        } catch (e: Exception) {
-            null
+        return ImageLoader.loadBitmap(appCtx, vFile.absolutePath)
+            .error(R.drawable.image_loading_error)
+            .listener(glideListener)
+            .submit()
+            .get()
+    }
+
+    private val glideListener by lazy {
+        object : RequestListener<Bitmap> {
+
+            override fun onLoadFailed(
+                e: GlideException?,
+                model: Any?,
+                target: Target<Bitmap>?,
+                isFirstResource: Boolean
+            ): Boolean {
+                File(model as String).delete()
+                return false
+            }
+
+            override fun onResourceReady(
+                resource: Bitmap?,
+                model: Any?,
+                target: Target<Bitmap>?,
+                dataSource: DataSource?,
+                isFirstResource: Boolean
+            ): Boolean {
+                return false
+            }
+
         }
     }