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/*
* Copyright (C) 2013 DroidDriver committers
*
* 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 com.google.android.droiddriver.instrumentation;
import android.app.Instrumentation;
import android.os.SystemClock;
import android.util.Log;
import android.view.View;
import com.google.android.droiddriver.actions.InputInjector;
import com.google.android.droiddriver.base.BaseDroidDriver;
import com.google.android.droiddriver.base.DroidDriverContext;
import com.google.android.droiddriver.exceptions.DroidDriverException;
import com.google.android.droiddriver.exceptions.NoRunningActivityException;
import com.google.android.droiddriver.util.ActivityUtils;
import com.google.android.droiddriver.util.Logs;
import java.util.List;
/**
* Implementation of DroidDriver that is driven via instrumentation.
*/
public class InstrumentationDriver extends BaseDroidDriver<View, ViewElement> {
private final DroidDriverContext<View, ViewElement> context;
private final InputInjector injector;
private final InstrumentationUiDevice uiDevice;
public InstrumentationDriver(Instrumentation instrumentation) {
context = new DroidDriverContext<View, ViewElement>(instrumentation, this);
injector = new InstrumentationInputInjector(instrumentation);
uiDevice = new InstrumentationUiDevice(context);
}
@Override
public InputInjector getInjector() {
return injector;
}
@Override
protected ViewElement newRootElement() {
return context.newRootElement(findRootView());
}
@Override
protected ViewElement newUiElement(View rawElement, ViewElement parent) {
return new ViewElement(context, rawElement, parent);
}
private static class FindRootViewRunnable implements Runnable {
View rootView;
Throwable exception;
@Override
public void run() {
try {
List<View> views = RootFinder.getRootViews();
if (views.size() > 1) {
Logs.log(Log.VERBOSE, "views.size()=" + views.size());
for (View view : views) {
if (view.hasWindowFocus()) {
rootView = view;
return;
}
}
}
// Fall back to DecorView.
rootView = ActivityUtils.getRunningActivity().getWindow().getDecorView();
} catch (Throwable e) {
exception = e;
}
}
}
private View findRootView() {
waitForRunningActivity();
FindRootViewRunnable findRootViewRunnable = new FindRootViewRunnable();
context.runOnMainSync(findRootViewRunnable);
if (findRootViewRunnable.exception != null) {
throw new DroidDriverException(findRootViewRunnable.exception);
}
return findRootViewRunnable.rootView;
}
private void waitForRunningActivity() {
long timeoutMillis = getPoller().getTimeoutMillis();
long end = SystemClock.uptimeMillis() + timeoutMillis;
while (true) {
if (ActivityUtils.getRunningActivity() != null) {
return;
}
long remainingMillis = end - SystemClock.uptimeMillis();
if (remainingMillis < 0) {
throw new NoRunningActivityException(String.format(
"Cannot find the running activity after %d milliseconds", timeoutMillis));
}
SystemClock.sleep(Math.min(250, remainingMillis));
}
}
@Override
public InstrumentationUiDevice getUiDevice() {
return uiDevice;
}
}
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