// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.sdk.internal;
import java.util.Map;
import org.chromium.sdk.CallbackSemaphore;
import org.chromium.sdk.JsEvaluateContext;
import org.chromium.sdk.JsValue;
import org.chromium.sdk.RelayOk;
import org.chromium.sdk.SyncCallback;
import org.chromium.sdk.util.MethodIsBlockingException;
/**
* Partial implementation of {@link JsEvaluateContext} that reduce all functionality
* to single abstract method.
*/
public abstract class JsEvaluateContextBase implements JsEvaluateContext {
@Override
public void evaluateSync(String expression, Map<String, ? extends JsValue> additionalContext,
EvaluateCallback evaluateCallback)
throws MethodIsBlockingException {
CallbackSemaphore callbackSemaphore = new CallbackSemaphore();
RelayOk relayOk =
evaluateAsync(expression, additionalContext, evaluateCallback, callbackSemaphore);
boolean res = callbackSemaphore.tryAcquireDefault(relayOk);
if (!res) {
evaluateCallback.failure(new Exception("Timeout"));
}
}
@Override
public abstract RelayOk evaluateAsync(String expression,
Map<String, ? extends JsValue> additionalContext,
EvaluateCallback callback, SyncCallback syncCallback);
}