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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.tv.testinput;
     17 
     18 import android.content.ContentUris;
     19 import android.content.Context;
     20 import android.net.Uri;
     21 import android.os.RemoteException;
     22 import android.util.Log;
     23 import android.util.LongSparseArray;
     24 
     25 import com.android.tv.testing.ChannelInfo;
     26 import com.android.tv.testing.ChannelUtils;
     27 import com.android.tv.testing.testinput.ChannelState;
     28 import com.android.tv.testing.testinput.ChannelStateData;
     29 import com.android.tv.testing.testinput.ITestInputControl;
     30 
     31 import java.util.Map;
     32 
     33 /**
     34  * Maintains state for the {@link TestTvInputService}.
     35  *
     36  * <p>Maintains the current state for every channel.  A default is sent if the state is not
     37  * explicitly set. The state is versioned so TestTvInputService can tell if onNotifyXXX events need
     38  * to be sent.
     39  *
     40  * <p> Test update the state using @{link ITestInputControl} via {@link TestInputControlService}.
     41  */
     42 class TestInputControl extends ITestInputControl.Stub {
     43 
     44     private final static String TAG = "TestInputControl";
     45     private final static TestInputControl INSTANCE = new TestInputControl();
     46 
     47     private final LongSparseArray<ChannelInfo> mId2ChannelInfoMap = new LongSparseArray<>();
     48     private final LongSparseArray<ChannelState> mOrigId2StateMap = new LongSparseArray<>();
     49 
     50     private java.lang.String mInputId;
     51     private boolean initialized;
     52 
     53     private TestInputControl() {
     54     }
     55 
     56     public static TestInputControl getInstance() {
     57         return INSTANCE;
     58     }
     59 
     60     public synchronized void init(Context context, String inputId) {
     61         if (!initialized) {
     62             // TODO run initialization in a separate thread.
     63             mInputId = inputId;
     64             updateChannelMap(context);
     65             initialized = true;
     66         }
     67     }
     68 
     69     private void updateChannelMap(Context context) {
     70         mId2ChannelInfoMap.clear();
     71         Map<Long, ChannelInfo> channelIdToInfoMap =
     72                 ChannelUtils.queryChannelInfoMapForTvInput(context, mInputId);
     73         for (Long channelId : channelIdToInfoMap.keySet()) {
     74             mId2ChannelInfoMap.put(channelId, channelIdToInfoMap.get(channelId));
     75         }
     76         Log.i(TAG, "Initialized channel map for " + mInputId + " with " + mId2ChannelInfoMap.size()
     77                 + " channels");
     78     }
     79 
     80     public ChannelInfo getChannelInfo(Uri channelUri) {
     81         return mId2ChannelInfoMap.get(ContentUris.parseId(channelUri));
     82     }
     83 
     84     public ChannelState getChannelState(int originalNetworkId) {
     85         return mOrigId2StateMap.get(originalNetworkId, ChannelState.DEFAULT);
     86     }
     87 
     88     @Override
     89     public synchronized void updateChannelState(int origId, ChannelStateData data)
     90             throws RemoteException {
     91         ChannelState state;
     92         ChannelState orig = getChannelState(origId);
     93         state = orig.next(data);
     94         mOrigId2StateMap.put(origId, state);
     95 
     96         Log.i(TAG, "Setting channel " + origId + " state to " + state);
     97     }
     98 }
     99