Add API to set load flags used by UnpackingJSBundleLoader

Reviewed By: tadeuzagallo

Differential Revision: D3557667

fbshipit-source-id: 5665667185cda10415210efce83685c3e3abee92

ReactAndroid/src/main/java/com/facebook/react/cxxbridge/JSBundleLoader.java

@@ -104,6 +104,7 @@ public abstract class JSBundleLoader {
       .setDestinationPath(new File(context.getFilesDir(), "optimized-bundle"))
       .checkAndUnpackFile(bundleName + ".meta", "bundle.meta")
       .unpackFile(bundleName, "bundle.js")
+      .setLoadFlags(UnpackingJSBundleLoader.UNPACKED_JS_SOURCE)
       .build();
   }
 

ReactAndroid/src/main/java/com/facebook/react/cxxbridge/UnpackingJSBundleLoader.java

@@ -42,7 +42,7 @@ public class UnpackingJSBundleLoader extends JSBundleLoader {
    * Flag passed to loadScriptFromOptimizedBundle to let the bridge know that
    * the unpacked unpacked js source file.
    */
-  static final int UNPACKED_JS_SOURCE = (1 << 0);
+  public static final int UNPACKED_JS_SOURCE = (1 << 0);
 
   /**
    * Name of the lock files. Multiple processes can be spawned off the same app
@@ -71,6 +71,7 @@ public class UnpackingJSBundleLoader extends JSBundleLoader {
 
   private final String mSourceURL;
   private final Context mContext;
+  private final int mLoadFlags;
 
   /**
    * Description of what needs to be unpacked.
@@ -82,6 +83,7 @@ public class UnpackingJSBundleLoader extends JSBundleLoader {
     mDirectoryPath = Assertions.assertNotNull(builder.destinationPath);
     mSourceURL = Assertions.assertNotNull(builder.sourceURL);
     mUnpackers = builder.unpackers.toArray(new Unpacker[builder.unpackers.size()]);
+    mLoadFlags = builder.loadFlags;
   }
 
   /**
@@ -150,7 +152,7 @@ public class UnpackingJSBundleLoader extends JSBundleLoader {
     instance.loadScriptFromOptimizedBundle(
       mDirectoryPath.getPath(),
       mSourceURL,
-      UNPACKED_JS_SOURCE);
+      mLoadFlags);
   }
 
   @Override
@@ -204,12 +206,14 @@ public class UnpackingJSBundleLoader extends JSBundleLoader {
     private @Nullable File destinationPath;
     private @Nullable String sourceURL;
     private final ArrayList<Unpacker> unpackers;
+    private int loadFlags;
 
     public Builder() {
       this.unpackers = new ArrayList<Unpacker>();
       context = null;
       destinationPath = null;
       sourceURL = null;
+      loadFlags = 0;
     }
 
     public Builder setContext(Context context) {
@@ -227,6 +231,11 @@ public class UnpackingJSBundleLoader extends JSBundleLoader {
       return this;
     }
 
+    public Builder setLoadFlags(int loadFlags) {
+      this.loadFlags = loadFlags;
+      return this;
+    }
+
     /**
      * Adds a file for unpacking. Content of extracted file is not checked on each
      * start against content of the file bundled in apk.

ReactAndroid/src/test/java/com/facebook/react/cxxbridge/UnpackingJSBundleLoaderTest.java

@@ -105,10 +105,21 @@ public class UnpackingJSBundleLoaderTest {
     verify(mCatalystInstanceImpl).loadScriptFromOptimizedBundle(
       eq(mDestinationPath.getPath()),
       eq(URL),
-      eq(UnpackingJSBundleLoader.UNPACKED_JS_SOURCE));
+      eq(0));
     verifyNoMoreInteractions(mCatalystInstanceImpl);
   }
 
+  @Test
+  public void testSetLoadFlags() throws IOException {
+    mBuilder.setLoadFlags(UnpackingJSBundleLoader.UNPACKED_JS_SOURCE)
+      .build()
+      .loadScript(mCatalystInstanceImpl);
+    verify(mCatalystInstanceImpl).loadScriptFromOptimizedBundle(
+      eq(mDestinationPath.getPath()),
+      eq(URL),
+      eq(UnpackingJSBundleLoader.UNPACKED_JS_SOURCE));
+  }
+
   @Test
   public void testLoadScriptUnpacks() {
     mBuilder.build().loadScript(mCatalystInstanceImpl);