FragmentWrapper.java

/**
 * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
 *
 * You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
 * copy, modify, and distribute this software in source code or binary form for use
 * in connection with the web services and APIs provided by Facebook.
 *
 * As with any software that integrates with the Facebook platform, your use of
 * this software is subject to the Facebook Developer Principles and Policies
 * [http://developers.facebook.com/policy/]. This copyright notice shall be
 * included in all copies or substantial portions of the software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.facebook.internal;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;

public class FragmentWrapper {
    private Fragment supportFragment;
    private android.app.Fragment nativeFragment;

    public FragmentWrapper(Fragment fragment) {
        Validate.notNull(fragment, "fragment");
        this.supportFragment = fragment;
    }

    public FragmentWrapper(android.app.Fragment fragment) {
        Validate.notNull(fragment, "fragment");
        this.nativeFragment = fragment;
    }

    public android.app.Fragment getNativeFragment() {
        return this.nativeFragment;
    }

    public Fragment getSupportFragment() {
        return this.supportFragment;
    }

    /**
     * Call {@link Activity#startActivityForResult(Intent, int)} from the fragment's
     * containing Activity.
     */
    public void startActivityForResult(Intent intent, int requestCode) {
        if (supportFragment != null) {
            supportFragment.startActivityForResult(intent, requestCode);
        } else {
            nativeFragment.startActivityForResult(intent, requestCode);
        }
    }

    /**
     * Return the {@link FragmentActivity} this fragment is currently associated with.
     * May return {@code null} if the fragment is associated with a {@link Context}
     * instead.
     */
    final public Activity getActivity() {
        if (supportFragment != null) {
            return supportFragment.getActivity();
        } else {
            return nativeFragment.getActivity();
        }
    }
}