The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/build/mobile/robocop/RobocopUtils.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,41 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +package org.mozilla.gecko;
     1.9 +
    1.10 +import java.util.concurrent.SynchronousQueue;
    1.11 +import java.util.concurrent.TimeUnit;
    1.12 +
    1.13 +import android.app.Activity;
    1.14 +
    1.15 +public final class RobocopUtils {
    1.16 +    private static final int MAX_WAIT_MS = 20000;
    1.17 +
    1.18 +    private RobocopUtils() {}
    1.19 +
    1.20 +    public static void runOnUiThreadSync(Activity activity, final Runnable runnable) {
    1.21 +        final SynchronousQueue syncQueue = new SynchronousQueue();
    1.22 +        activity.runOnUiThread(
    1.23 +            new Runnable() {
    1.24 +                public void run() {
    1.25 +                    runnable.run();
    1.26 +                    try {
    1.27 +                        syncQueue.put(new Object());
    1.28 +                    } catch (InterruptedException e) {
    1.29 +                        FennecNativeDriver.log(FennecNativeDriver.LogLevel.ERROR, e);
    1.30 +                    }
    1.31 +                }
    1.32 +            });
    1.33 +        try {
    1.34 +            // Wait for the UiThread code to finish running
    1.35 +            if (syncQueue.poll(MAX_WAIT_MS, TimeUnit.MILLISECONDS) == null) {
    1.36 +                FennecNativeDriver.log(FennecNativeDriver.LogLevel.ERROR,
    1.37 +                                       "time-out waiting for UI thread");
    1.38 +                FennecNativeDriver.logAllStackTraces(FennecNativeDriver.LogLevel.ERROR);
    1.39 +            }
    1.40 +        } catch (InterruptedException e) {
    1.41 +            FennecNativeDriver.log(FennecNativeDriver.LogLevel.ERROR, e);
    1.42 +        }
    1.43 +    }
    1.44 +}