com.facebook.CustomTabActivity.java Source code

Introduction

Here is the source code for com.facebook.CustomTabActivity.java

Source

/**
 * 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;

import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.support.v4.content.LocalBroadcastManager;

/*
 * Login from a custom tab redirects here. Pass the url on to CustomTabMainActivity so it can return
 * the result.
 */
public class CustomTabActivity extends Activity {
    private static final int CUSTOM_TAB_REDIRECT_REQUEST_CODE = 2;
    public static final String CUSTOM_TAB_REDIRECT_ACTION = CustomTabActivity.class.getSimpleName()
            + ".action_customTabRedirect";
    public static final String DESTROY_ACTION = CustomTabActivity.class.getSimpleName() + ".action_destroy";

    private BroadcastReceiver closeReceiver;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Intent intent = new Intent(this, CustomTabMainActivity.class);
        intent.setAction(CUSTOM_TAB_REDIRECT_ACTION);
        intent.putExtra(CustomTabMainActivity.EXTRA_URL, getIntent().getDataString());

        // these flags will open CustomTabMainActivity from the back stack as well as closing this
        // activity and the custom tab opened by CustomTabMainActivity.
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);

        startActivityForResult(intent, CUSTOM_TAB_REDIRECT_REQUEST_CODE);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        if (resultCode == RESULT_CANCELED) {
            // We weren't able to open CustomTabMainActivity from the back stack. Send a broadcast
            // instead.
            Intent broadcast = new Intent(CUSTOM_TAB_REDIRECT_ACTION);
            broadcast.putExtra(CustomTabMainActivity.EXTRA_URL, getIntent().getDataString());
            LocalBroadcastManager.getInstance(this).sendBroadcast(broadcast);

            // Wait for the custom tab to be removed from the back stack before finishing.
            closeReceiver = new BroadcastReceiver() {
                @Override
                public void onReceive(Context context, Intent intent) {
                    CustomTabActivity.this.finish();
                }
            };
            LocalBroadcastManager.getInstance(this).registerReceiver(closeReceiver,
                    new IntentFilter(CustomTabActivity.DESTROY_ACTION));
        }
    }

    @Override
    protected void onDestroy() {
        LocalBroadcastManager.getInstance(this).unregisterReceiver(closeReceiver);
        super.onDestroy();
    }
}