From ee408a9eb7bbda98cdd0b0b924d0f016b8d39c88 Mon Sep 17 00:00:00 2001
From: Kingsley Ochu <ochu.kc@gmail.com>
Date: Tue, 14 Nov 2017 11:48:11 +0100
Subject: [PATCH] Add a custom request listener class

---
 .../fastimage/FastImageRequestListener.java   | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 android/src/main/java/com/dylanvann/fastimage/FastImageRequestListener.java

diff --git a/android/src/main/java/com/dylanvann/fastimage/FastImageRequestListener.java b/android/src/main/java/com/dylanvann/fastimage/FastImageRequestListener.java
new file mode 100644
index 0000000..62cd757
--- /dev/null
+++ b/android/src/main/java/com/dylanvann/fastimage/FastImageRequestListener.java
@@ -0,0 +1,52 @@
+package com.dylanvann.fastimage;
+
+import android.graphics.drawable.Drawable;
+
+import com.bumptech.glide.load.DataSource;
+import com.bumptech.glide.load.engine.GlideException;
+import com.bumptech.glide.request.RequestListener;
+import com.bumptech.glide.request.target.ImageViewTarget;
+import com.bumptech.glide.request.target.Target;
+import com.facebook.react.bridge.WritableNativeMap;
+import com.facebook.react.uimanager.ThemedReactContext;
+import com.facebook.react.uimanager.events.RCTEventEmitter;
+
+public class FastImageRequestListener implements RequestListener<Drawable> {
+    public static final String REACT_ON_ERROR_EVENT = "onFastImageError";
+    public static final String REACT_ON_LOAD_EVENT = "onFastImageLoad";
+    public static final String REACT_ON_LOAD_END_EVENT = "onFastImageLoadEnd";
+    private static String key = null;
+
+    public FastImageRequestListener(String key) {
+        this.key = key;
+    }
+
+    @Override
+    public boolean onLoadFailed(@android.support.annotation.Nullable GlideException e, Object model, Target<Drawable> target, boolean isFirstResource) {
+        OkHttpProgressGlideModule.forget(key);
+        if (!(target instanceof ImageViewTarget)) {
+            return false;
+        }
+        ImageViewWithUrl view = (ImageViewWithUrl) ((ImageViewTarget) target).getView();
+        ThemedReactContext context = (ThemedReactContext) view.getContext();
+        RCTEventEmitter eventEmitter = context.getJSModule(RCTEventEmitter.class);
+        int viewId = view.getId();
+        eventEmitter.receiveEvent(viewId, REACT_ON_ERROR_EVENT, new WritableNativeMap());
+        eventEmitter.receiveEvent(viewId, REACT_ON_LOAD_END_EVENT, new WritableNativeMap());
+        return false;
+    }
+
+    @Override
+    public boolean onResourceReady(Drawable resource, Object model, Target<Drawable> target, DataSource dataSource, boolean isFirstResource) {
+        if (!(target instanceof ImageViewTarget)) {
+            return false;
+        }
+        ImageViewWithUrl view = (ImageViewWithUrl) ((ImageViewTarget) target).getView();
+        ThemedReactContext context = (ThemedReactContext) view.getContext();
+        RCTEventEmitter eventEmitter = context.getJSModule(RCTEventEmitter.class);
+        int viewId = view.getId();
+        eventEmitter.receiveEvent(viewId, REACT_ON_LOAD_EVENT, new WritableNativeMap());
+        eventEmitter.receiveEvent(viewId, REACT_ON_LOAD_END_EVENT, new WritableNativeMap());
+        return false;
+    }
+}