Merging cxxbridge and bridge packages

Reviewed By: javache

Differential Revision: D5027875

fbshipit-source-id: 47e081069d4219bdb29f63ce8a78c1f31a590da7

ReactAndroid/src/main/java/com/facebook/react/bridge/CxxModuleWrapperBase.java

@@ -0,0 +1,56 @@
+// Copyright 2004-present Facebook. All Rights Reserved.
+
+package com.facebook.react.bridge;
+
+import com.facebook.jni.HybridData;
+import com.facebook.proguard.annotations.DoNotStrip;
+import com.facebook.react.bridge.NativeModule;
+import com.facebook.soloader.SoLoader;
+
+/**
+ * A Java Object which represents a cross-platform C++ module
+ *
+ * This module implements the NativeModule interface but will never be invoked from Java,
+ * instead the underlying Cxx module will be extracted by the bridge and called directly.
+ */
+@DoNotStrip
+public class CxxModuleWrapperBase implements NativeModule
+{
+  static {
+    SoLoader.loadLibrary(CatalystInstanceImpl.REACT_NATIVE_LIB);
+  }
+
+  @DoNotStrip
+  private HybridData mHybridData;
+
+  @Override
+  public native String getName();
+
+  @Override
+  public void initialize() {
+    // do nothing
+  }
+
+  @Override
+  public boolean canOverrideExistingModule() {
+    return false;
+  }
+
+  @Override
+  public void onCatalystInstanceDestroy() {
+    mHybridData.resetNative();
+  }
+
+  // For creating a wrapper from C++, or from a derived class.
+  protected CxxModuleWrapperBase(HybridData hd) {
+    mHybridData = hd;
+  }
+
+  // Replace the current native module held by this wrapper by a new instance
+  protected void resetModule(HybridData hd) {
+    if (hd != mHybridData) {
+      mHybridData.resetNative();
+      mHybridData = hd;
+    }
+  }
+}