The Tor Browser: build/mobile/robocop/RobocopUtils.java@141e0f1194b1

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 package org.mozilla.gecko;

     7 import java.util.concurrent.SynchronousQueue;

     8 import java.util.concurrent.TimeUnit;

    10 import android.app.Activity;

    12 public final class RobocopUtils {

    13     private static final int MAX_WAIT_MS = 20000;

    15     private RobocopUtils() {}

    17     public static void runOnUiThreadSync(Activity activity, final Runnable runnable) {

    18         final SynchronousQueue syncQueue = new SynchronousQueue();

    19         activity.runOnUiThread(

    20             new Runnable() {

    21                 public void run() {

    22                     runnable.run();

    23                     try {

    24                         syncQueue.put(new Object());

    25                     } catch (InterruptedException e) {

    26                         FennecNativeDriver.log(FennecNativeDriver.LogLevel.ERROR, e);

    27                     }

    28                 }

    29             });

    30         try {

    31             // Wait for the UiThread code to finish running

    32             if (syncQueue.poll(MAX_WAIT_MS, TimeUnit.MILLISECONDS) == null) {

    33                 FennecNativeDriver.log(FennecNativeDriver.LogLevel.ERROR,

    34                                        "time-out waiting for UI thread");

    35                 FennecNativeDriver.logAllStackTraces(FennecNativeDriver.LogLevel.ERROR);

    36             }

    37         } catch (InterruptedException e) {

    38             FennecNativeDriver.log(FennecNativeDriver.LogLevel.ERROR, e);

    39         }

    40     }

    41 }

The Tor Browser / file revision