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/*
* Copyright (C) 2015 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 com.android.tv.testing.testinput;
import android.content.ComponentName;
import android.content.ServiceConnection;
import android.os.IBinder;
import android.os.RemoteException;
import android.os.SystemClock;
import android.util.Log;
import com.android.tv.testing.data.ChannelInfo;
/**
* Connection for controlling the Test TV Input Service.
*
* <p>Wrapped methods for calling {@link ITestInputControl} that waits for a binding and rethrows
* {@link RemoteException} as {@link RuntimeException } are also included.
*/
public class TestInputControlConnection implements ServiceConnection {
private static final String TAG = "TestInputControlConn";
private static final int BOUND_CHECK_INTERVAL_MS = 10;
private ITestInputControl mControl;
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
mControl = ITestInputControl.Stub.asInterface(service);
}
@Override
public void onServiceDisconnected(ComponentName name) {
Log.w(TAG, "TestInputControl service disconnected unexpectedly.");
mControl = null;
}
/** Is the service currently connected. */
public boolean isBound() {
return mControl != null;
}
/**
* Update the state of the channel.
*
* @param channel the channel to update.
* @param data the new state for the channel.
*/
public void updateChannelState(ChannelInfo channel, ChannelStateData data) {
waitUntilBound();
try {
mControl.updateChannelState(channel.originalNetworkId, data);
} catch (RemoteException e) {
throw new RuntimeException(e);
}
}
/** Sleep until {@link #isBound()} is true; */
public void waitUntilBound() {
while (!isBound()) {
SystemClock.sleep(BOUND_CHECK_INTERVAL_MS);
}
}
}
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