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ReactBridge.java
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ReactBridge.java
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/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
package com.facebook.react.bridge;
import javax.annotation.Nullable;
import android.content.res.AssetManager;
import com.facebook.react.bridge.queue.MessageQueueThread;
import com.facebook.jni.Countable;
import com.facebook.proguard.annotations.DoNotStrip;
import com.facebook.soloader.SoLoader;
/**
* Interface to the JS execution environment and means of transport for messages Java<->JS.
*/
@DoNotStrip
public class ReactBridge extends Countable {
/* package */ static final String REACT_NATIVE_LIB = "reactnativejni";
static {
SoLoader.loadLibrary(REACT_NATIVE_LIB);
}
private final ReactCallback mCallback;
private final JavaScriptExecutor mJSExecutor;
private final MessageQueueThread mNativeModulesQueueThread;
/**
* @param jsExecutor the JS executor to use to run JS
* @param callback the callback class used to invoke native modules
* @param nativeModulesQueueThread the MessageQueueThread the callbacks should be invoked on
*/
public ReactBridge(
JavaScriptExecutor jsExecutor,
ReactCallback callback,
MessageQueueThread nativeModulesQueueThread) {
mJSExecutor = jsExecutor;
mCallback = callback;
mNativeModulesQueueThread = nativeModulesQueueThread;
initialize(jsExecutor, callback, mNativeModulesQueueThread);
}
@Override
public void dispose() {
mJSExecutor.close();
mJSExecutor.dispose();
super.dispose();
}
private native void initialize(
JavaScriptExecutor jsExecutor,
ReactCallback callback,
MessageQueueThread nativeModulesQueueThread);
/**
* All native functions are not thread safe and appropriate queues should be used
*/
public native void loadScriptFromAssets(AssetManager assetManager, String assetName);
public native void loadScriptFromFile(@Nullable String fileName, @Nullable String sourceURL);
public native void callFunction(int moduleId, int methodId, NativeArray arguments);
public native void invokeCallback(int callbackID, NativeArray arguments);
public native void setGlobalVariable(String propertyName, String jsonEncodedArgument);
public native boolean supportsProfiling();
public native void startProfiler(String title);
public native void stopProfiler(String title, String filename);
}