1/*
2 * Copyright (C) 2014 The Android Open Source Project
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.apps.common.testing.ui.espresso.base;
18
19import static com.google.common.base.Preconditions.checkNotNull;
20
21import com.google.android.apps.common.testing.ui.espresso.InjectEventSecurityException;
22
23import android.os.Build;
24import android.os.SystemClock;
25import android.util.Log;
26import android.view.KeyEvent;
27import android.view.MotionEvent;
28
29/**
30 * Responsible for selecting the proper strategy for injecting MotionEvents to the application under
31 * test.
32 */
33final class EventInjector {
34  private static final String TAG = EventInjector.class.getSimpleName();
35  private final EventInjectionStrategy injectionStrategy;
36
37  EventInjector(EventInjectionStrategy injectionStrategy) {
38    this.injectionStrategy = checkNotNull(injectionStrategy);
39  }
40
41  boolean injectKeyEvent(KeyEvent event) throws InjectEventSecurityException {
42    long downTime = event.getDownTime();
43    long eventTime = event.getEventTime();
44    int action = event.getAction();
45    int code = event.getKeyCode();
46    int repeatCount = event.getRepeatCount();
47    int metaState = event.getMetaState();
48    int deviceId = event.getDeviceId();
49    int scancode = event.getScanCode();
50    int flags = event.getFlags();
51
52    if (eventTime == 0) {
53      eventTime = SystemClock.uptimeMillis();
54    }
55
56    if (downTime == 0) {
57      downTime = eventTime;
58    }
59
60    // API < 9 does not have constructor with source (nor has source field).
61    KeyEvent newEvent;
62    if (Build.VERSION.SDK_INT < 9) {
63      newEvent = new KeyEvent(downTime,
64          eventTime,
65          action,
66          code,
67          repeatCount,
68          metaState,
69          deviceId,
70          scancode,
71          flags | KeyEvent.FLAG_FROM_SYSTEM);
72    } else {
73      int source = event.getSource();
74      newEvent = new KeyEvent(downTime,
75          eventTime,
76          action,
77          code,
78          repeatCount,
79          metaState,
80          deviceId,
81          scancode,
82          flags | KeyEvent.FLAG_FROM_SYSTEM,
83          source);
84    }
85
86    Log.v(
87        "ESP_TRACE",
88        String.format(
89            "%s:Injecting event for character (%c) with key code (%s) downtime: (%s)", TAG,
90            newEvent.getUnicodeChar(), newEvent.getKeyCode(), newEvent.getDownTime()));
91
92    return injectionStrategy.injectKeyEvent(newEvent);
93  }
94
95  boolean injectMotionEvent(MotionEvent event) throws InjectEventSecurityException {
96    return injectionStrategy.injectMotionEvent(event);
97  }
98
99}
100