com.facebook.react.uimanager.ThemedReactContext.java Source code

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Here is the source code for com.facebook.react.uimanager.ThemedReactContext.java

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/*
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

package com.facebook.react.uimanager;

import android.app.Activity;
import android.content.Context;
import androidx.annotation.Nullable;
import com.facebook.react.bridge.LifecycleEventListener;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.bridge.ReactContext;

/**
 * Wraps {@link ReactContext} with the base {@link Context} passed into the constructor. It provides
 * also a way to start activities using the viewContext to which RN native views belong. It
 * delegates lifecycle listener registration to the original instance of {@link ReactContext} which
 * is supposed to receive the lifecycle events. At the same time we disallow receiving lifecycle
 * events for this wrapper instances. TODO: T7538544 Rename ThemedReactContext to be in alignment
 * with name of ReactApplicationContext
 */
public class ThemedReactContext extends ReactContext {

    private final ReactApplicationContext mReactApplicationContext;
    @Nullable
    private final String mSurfaceID;

    public ThemedReactContext(ReactApplicationContext reactApplicationContext, Context base) {
        this(reactApplicationContext, base, null);
    }

    public ThemedReactContext(ReactApplicationContext reactApplicationContext, Context base,
            @Nullable String surfaceID) {
        super(base);
        if (reactApplicationContext.hasCatalystInstance()) {
            initializeWithInstance(reactApplicationContext.getCatalystInstance());
        }
        mReactApplicationContext = reactApplicationContext;
        mSurfaceID = surfaceID;
    }

    @Override
    public void addLifecycleEventListener(LifecycleEventListener listener) {
        mReactApplicationContext.addLifecycleEventListener(listener);
    }

    @Override
    public void removeLifecycleEventListener(LifecycleEventListener listener) {
        mReactApplicationContext.removeLifecycleEventListener(listener);
    }

    @Override
    public boolean hasCurrentActivity() {
        return mReactApplicationContext.hasCurrentActivity();
    }

    @Override
    public @Nullable Activity getCurrentActivity() {
        return mReactApplicationContext.getCurrentActivity();
    }

    @Nullable
    @Override
    public String getInstanceKey() {
        return mReactApplicationContext.getInstanceKey();
    }

    /**
     * @return a {@link String} that represents the ID of the js application that is being rendered
     *     with this {@link ThemedReactContext}
     */
    public @Nullable String getSurfaceID() {
        return mSurfaceID;
    }
}