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/*
* 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 android.tv;
import android.content.Context;
import android.net.Uri;
import android.os.Message;
import android.util.Log;
import android.view.Surface;
import com.android.internal.os.HandlerCaller;
/**
* Implements the internal ITvInputSession interface to convert incoming calls on to it back to
* calls on the public TvInputSession interface, scheduling them on the main thread of the process.
*
* @hide
*/
public class ITvInputSessionWrapper extends ITvInputSession.Stub implements HandlerCaller.Callback {
private static final String TAG = "TvInputSessionWrapper";
private static final int DO_RELEASE = 1;
private static final int DO_SET_SURFACE = 2;
private static final int DO_SET_VOLUME = 3;
private static final int DO_TUNE = 4;
private TvInputSession mTvInputSession;
private final HandlerCaller mCaller;
public ITvInputSessionWrapper(Context context, TvInputSession session) {
mCaller = new HandlerCaller(context, null, this, true /* asyncHandler */);
mTvInputSession = session;
}
@Override
public void executeMessage(Message msg) {
if (mTvInputSession == null) {
return;
}
switch (msg.what) {
case DO_RELEASE: {
mTvInputSession.release();
mTvInputSession = null;
return;
}
case DO_SET_SURFACE: {
mTvInputSession.setSurface((Surface) msg.obj);
return;
}
case DO_SET_VOLUME: {
mTvInputSession.setVolume((Float) msg.obj);
return;
}
case DO_TUNE: {
mTvInputSession.tune((Uri) msg.obj);
return;
}
default: {
Log.w(TAG, "Unhandled message code: " + msg.what);
return;
}
}
}
@Override
public void release() {
mCaller.executeOrSendMessage(mCaller.obtainMessage(DO_RELEASE));
}
@Override
public void setSurface(Surface surface) {
mCaller.executeOrSendMessage(mCaller.obtainMessageO(DO_SET_SURFACE, surface));
}
@Override
public final void setVolume(float volume) {
mCaller.executeOrSendMessage(mCaller.obtainMessageO(DO_SET_VOLUME, volume));
}
@Override
public void tune(Uri channelUri) {
mCaller.executeOrSendMessage(mCaller.obtainMessageO(DO_TUNE, channelUri));
}
}
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