feat: replace OnLayoutEvent with SvgOnLayoutEvent

Author: Kacper Żółkiewski

android/src/main/java/com/horcrux/svg/VirtualView.java

@@ -20,11 +20,12 @@
 import com.facebook.react.bridge.ReadableType;
 import com.facebook.react.common.ReactConstants;
 import com.facebook.react.uimanager.DisplayMetricsHolder;
-import com.facebook.react.uimanager.OnLayoutEvent;
 import com.facebook.react.uimanager.PointerEvents;
 import com.facebook.react.uimanager.UIManagerHelper;
 import com.facebook.react.uimanager.events.EventDispatcher;
 import com.facebook.react.views.view.ReactViewGroup;
+import com.horcrux.svg.events.SvgOnLayoutEvent;
+
 import java.util.ArrayList;
 import javax.annotation.Nullable;
 
@@ -603,7 +604,7 @@ void setClientRect(RectF rect) {
     EventDispatcher eventDispatcher =
         UIManagerHelper.getEventDispatcherForReactTag(mContext, getId());
     if (eventDispatcher != null) {
-      eventDispatcher.dispatchEvent(OnLayoutEvent.obtain(this.getId(), left, top, width, height));
+      eventDispatcher.dispatchEvent(SvgOnLayoutEvent.obtain(this.getId(), left, top, width, height));
     }
   }
 

android/src/main/java/com/horcrux/svg/events/SvgOnLayoutEvent.java

@@ -0,0 +1,77 @@
+package com.horcrux.svg.events;
+
+import androidx.core.util.Pools.SynchronizedPool;
+
+import com.facebook.react.bridge.Arguments;
+import com.facebook.react.bridge.WritableMap;
+import com.facebook.react.common.annotations.internal.LegacyArchitectureLogLevel;
+import com.facebook.react.common.annotations.internal.LegacyArchitectureLogger;
+import com.facebook.react.uimanager.PixelUtil;
+import com.facebook.react.uimanager.events.Event;
+
+public class SvgOnLayoutEvent extends Event<SvgOnLayoutEvent> {
+
+  public int x = 0;
+  public int y = 0;
+  public int width = 0;
+  public int height = 0;
+
+  private SvgOnLayoutEvent() {}
+
+  @Override
+  public void onDispose() {
+    EVENTS_POOL.release(this);
+  }
+
+  protected void init(int surfaceId, int viewTag, int x, int y, int width, int height) {
+    super.init(surfaceId, viewTag);
+    this.x = x;
+    this.y = y;
+    this.width = width;
+    this.height = height;
+  }
+
+  @Override
+  public String getEventName() {
+    return "topLayout";
+  }
+
+  @Override
+  public WritableMap getEventData() {
+    WritableMap layout = Arguments.createMap();
+    layout.putDouble("x", (double) PixelUtil.toDIPFromPixel((float) x));
+    layout.putDouble("y", (double) PixelUtil.toDIPFromPixel((float) y));
+    layout.putDouble("width", (double) PixelUtil.toDIPFromPixel((float) width));
+    layout.putDouble("height", (double) PixelUtil.toDIPFromPixel((float) height));
+
+    WritableMap event = Arguments.createMap();
+    event.putMap("layout", layout);
+    event.putInt("target", getViewTag());
+
+    return event;
+  }
+
+  private static final SynchronizedPool<SvgOnLayoutEvent> EVENTS_POOL =
+      new SynchronizedPool<SvgOnLayoutEvent>(20);
+
+  static {
+    LegacyArchitectureLogger.assertLegacyArchitecture("SvgOnLayoutEvent", LegacyArchitectureLogLevel.WARNING);
+  }
+
+  /**
+   * @deprecated Use {@link #obtain(int,int,int,int,int,int)} instead.
+   */
+  @Deprecated
+  public static SvgOnLayoutEvent obtain(int viewTag, int x, int y, int width, int height) {
+    return obtain(-1, viewTag, x, y, width, height);
+  }
+
+  public static SvgOnLayoutEvent obtain(int surfaceId, int viewTag, int x, int y, int width, int height) {
+    SvgOnLayoutEvent event = EVENTS_POOL.acquire();
+    if (event == null) {
+      event = new SvgOnLayoutEvent();
+    }
+    event.init(surfaceId, viewTag, x, y, width, height);
+    return event;
+  }
+}