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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;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.media.tv.TvInputInfo;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.support.annotation.MainThread;
import android.util.Log;
import com.android.tv.common.SoftPreconditions;
import com.android.tv.common.actions.InputSetupActionUtils;
import com.android.tv.common.experiments.Experiments;
import com.android.tv.data.ChannelDataManager;
import com.android.tv.data.ChannelDataManager.Listener;
import com.android.tv.data.epg.EpgFetcher;
import com.android.tv.data.epg.EpgInputWhiteList;
import com.android.tv.util.SetupUtils;
import com.android.tv.util.TvInputManagerHelper;
import com.android.tv.util.Utils;
import com.google.android.tv.partner.support.EpgContract;
import java.util.concurrent.TimeUnit;
/**
* An activity to launch a TV input setup activity.
*
* <p>After setup activity is finished, all channels will be browsable.
*/
public class SetupPassthroughActivity extends Activity {
private static final String TAG = "SetupPassthroughAct";
private static final boolean DEBUG = false;
private static final int REQUEST_START_SETUP_ACTIVITY = 200;
private static ScanTimeoutMonitor sScanTimeoutMonitor;
private TvInputInfo mTvInputInfo;
private Intent mActivityAfterCompletion;
private boolean mEpgFetcherDuringScan;
private EpgInputWhiteList mEpgInputWhiteList;
@Override
public void onCreate(Bundle savedInstanceState) {
if (DEBUG) Log.d(TAG, "onCreate");
super.onCreate(savedInstanceState);
TvSingletons tvSingletons = TvSingletons.getSingletons(this);
TvInputManagerHelper inputManager = tvSingletons.getTvInputManagerHelper();
Intent intent = getIntent();
String inputId = intent.getStringExtra(InputSetupActionUtils.EXTRA_INPUT_ID);
mTvInputInfo = inputManager.getTvInputInfo(inputId);
mEpgInputWhiteList = new EpgInputWhiteList(tvSingletons.getRemoteConfig());
mActivityAfterCompletion = InputSetupActionUtils.getExtraActivityAfter(intent);
boolean needToFetchEpg =
mTvInputInfo != null
&& Utils.isInternalTvInput(this, mTvInputInfo.getId())
&& Experiments.CLOUD_EPG.get();
if (needToFetchEpg) {
// In case when the activity is restored, this flag should be restored as well.
mEpgFetcherDuringScan = true;
}
if (savedInstanceState == null) {
SoftPreconditions.checkArgument(
InputSetupActionUtils.hasInputSetupAction(intent),
TAG,
"Unsupported action %s",
intent.getAction());
if (DEBUG) Log.d(TAG, "TvInputId " + inputId + " / TvInputInfo " + mTvInputInfo);
if (mTvInputInfo == null) {
Log.w(TAG, "There is no input with the ID " + inputId + ".");
finish();
return;
}
if (intent.getExtras() == null) {
Log.w(TAG, "There is no extra info in the intent");
finish();
return;
}
Intent setupIntent = InputSetupActionUtils.getExtraSetupIntent(intent);
if (DEBUG) Log.d(TAG, "Setup activity launch intent: " + setupIntent);
if (setupIntent == null) {
Log.w(TAG, "The input (" + mTvInputInfo.getId() + ") doesn't have setup.");
finish();
return;
}
SetupUtils.grantEpgPermission(this, mTvInputInfo.getServiceInfo().packageName);
if (DEBUG) Log.d(TAG, "Activity after completion " + mActivityAfterCompletion);
// If EXTRA_SETUP_INTENT is not removed, an infinite recursion happens during
// setupIntent.putExtras(intent.getExtras()).
Bundle extras = intent.getExtras();
InputSetupActionUtils.removeSetupIntent(extras);
setupIntent.putExtras(extras);
try {
startActivityForResult(setupIntent, REQUEST_START_SETUP_ACTIVITY);
} catch (ActivityNotFoundException e) {
Log.e(TAG, "Can't find activity: " + setupIntent.getComponent());
finish();
return;
}
if (needToFetchEpg) {
if (sScanTimeoutMonitor == null) {
sScanTimeoutMonitor = new ScanTimeoutMonitor(this);
}
sScanTimeoutMonitor.startMonitoring();
TvSingletons.getSingletons(this).getEpgFetcher().onChannelScanStarted();
}
}
}
@Override
public void onActivityResult(int requestCode, final int resultCode, final Intent data) {
if (DEBUG)
Log.d(TAG, "onActivityResult(" + requestCode + ", " + resultCode + ", " + data + ")");
if (sScanTimeoutMonitor != null) {
sScanTimeoutMonitor.stopMonitoring();
}
// Note: It's not guaranteed that this method is always called after scanning.
boolean setupComplete =
requestCode == REQUEST_START_SETUP_ACTIVITY && resultCode == Activity.RESULT_OK;
// Tells EpgFetcher that channel source setup is finished.
EpgFetcher epgFetcher = TvSingletons.getSingletons(this).getEpgFetcher();
if (mEpgFetcherDuringScan) {
epgFetcher.onChannelScanFinished();
}
if (!setupComplete) {
setResult(resultCode, data);
finish();
return;
}
TvSingletons.getSingletons(this)
.getSetupUtils()
.onTvInputSetupFinished(
mTvInputInfo.getId(),
new Runnable() {
@Override
public void run() {
if (mActivityAfterCompletion != null) {
try {
startActivity(mActivityAfterCompletion);
} catch (ActivityNotFoundException e) {
Log.w(TAG, "Activity launch failed", e);
}
}
setResult(resultCode, data);
finish();
}
});
}
/**
* Monitors the scan progress and notifies the timeout of the scanning. The purpose of this
* monitor is to call EpgFetcher.onChannelScanFinished() in case when
* SetupPassthroughActivity.onActivityResult() is not called properly. b/36008534
*/
@MainThread
private static class ScanTimeoutMonitor {
// Set timeout long enough. The message in Sony TV says the scanning takes about 30 minutes.
private static final long SCAN_TIMEOUT_MS = TimeUnit.MINUTES.toMillis(30);
private final Context mContext;
private final ChannelDataManager mChannelDataManager;
private final Handler mHandler = new Handler(Looper.getMainLooper());
private final Runnable mScanTimeoutRunnable =
new Runnable() {
@Override
public void run() {
Log.w(
TAG,
"No channels has been added for a while."
+ " The scan might have finished unexpectedly.");
onScanTimedOut();
}
};
private final Listener mChannelDataManagerListener =
new Listener() {
@Override
public void onLoadFinished() {
setupTimer();
}
@Override
public void onChannelListUpdated() {
setupTimer();
}
@Override
public void onChannelBrowsableChanged() {}
};
private boolean mStarted;
private ScanTimeoutMonitor(Context context) {
mContext = context.getApplicationContext();
mChannelDataManager = TvSingletons.getSingletons(context).getChannelDataManager();
}
private void startMonitoring() {
if (!mStarted) {
mStarted = true;
mChannelDataManager.addListener(mChannelDataManagerListener);
}
if (mChannelDataManager.isDbLoadFinished()) {
setupTimer();
}
}
private void stopMonitoring() {
if (mStarted) {
mStarted = false;
mHandler.removeCallbacks(mScanTimeoutRunnable);
mChannelDataManager.removeListener(mChannelDataManagerListener);
}
}
private void setupTimer() {
mHandler.removeCallbacks(mScanTimeoutRunnable);
mHandler.postDelayed(mScanTimeoutRunnable, SCAN_TIMEOUT_MS);
}
private void onScanTimedOut() {
stopMonitoring();
TvSingletons.getSingletons(mContext).getEpgFetcher().onChannelScanFinished();
}
}
}
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