1/*
2 * Copyright (C) 2013 DroidDriver committers
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.google.android.droiddriver.actions;
18
19import android.view.InputEvent;
20
21import com.google.android.droiddriver.UiElement;
22
23/**
24 * Implements {@link Action} by injecting synthesized events.
25 */
26public abstract class EventAction extends BaseAction {
27  protected EventAction(long timeoutMillis) {
28    super(timeoutMillis);
29  }
30
31  @Override
32  public boolean perform(UiElement element) {
33    return perform(element.getInjector(), element);
34  }
35
36  /**
37   * Performs the action by injecting synthesized events.
38   *
39   * @param injector the injector to inject {@link InputEvent}s
40   * @param element the UiElement to perform the action on
41   * @return Whether the action is successful. Some actions throw exceptions in
42   *         case of failure, when that behavior is more appropriate. For
43   *         example, if event injection returns false.
44   */
45  protected abstract boolean perform(InputInjector injector, UiElement element);
46}
47