EventInjector.java
/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.test.espresso.base;
import static com.google.common.base.Preconditions.checkNotNull;
import android.os.Build;
import android.os.SystemClock;
import android.view.KeyEvent;
import android.view.MotionEvent;
import androidx.test.espresso.InjectEventSecurityException;
/**
* Responsible for selecting the proper strategy for injecting MotionEvents to the application under
* test.
*/
final class EventInjector {
private static final String TAG = EventInjector.class.getSimpleName();
private final EventInjectionStrategy injectionStrategy;
EventInjector(EventInjectionStrategy injectionStrategy) {
this.injectionStrategy = checkNotNull(injectionStrategy);
}
boolean injectKeyEvent(KeyEvent event) throws InjectEventSecurityException {
long downTime = event.getDownTime();
long eventTime = event.getEventTime();
int action = event.getAction();
int code = event.getKeyCode();
int repeatCount = event.getRepeatCount();
int metaState = event.getMetaState();
int deviceId = event.getDeviceId();
int scancode = event.getScanCode();
int flags = event.getFlags();
if (eventTime == 0) {
eventTime = SystemClock.uptimeMillis();
}
if (downTime == 0) {
downTime = eventTime;
}
// API < 9 does not have constructor with source (nor has source field).
KeyEvent newEvent;
if (Build.VERSION.SDK_INT < 9) {
newEvent =
new KeyEvent(
downTime,
eventTime,
action,
code,
repeatCount,
metaState,
deviceId,
scancode,
flags | KeyEvent.FLAG_FROM_SYSTEM);
} else {
int source = event.getSource();
newEvent =
new KeyEvent(
downTime,
eventTime,
action,
code,
repeatCount,
metaState,
deviceId,
scancode,
flags | KeyEvent.FLAG_FROM_SYSTEM,
source);
}
return injectionStrategy.injectKeyEvent(newEvent);
}
boolean injectMotionEvent(MotionEvent event) throws InjectEventSecurityException {
return injectionStrategy.injectMotionEvent(event, true);
}
boolean injectMotionEventAsync(MotionEvent event) throws InjectEventSecurityException {
return injectionStrategy.injectMotionEvent(event, false);
}
}