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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 import com.android.tv.testing.data.ChannelInfo;
     25 import com.android.tv.testing.data.ChannelUtils;
     26 import com.android.tv.testing.testinput.ChannelState;
     27 import com.android.tv.testing.testinput.ChannelStateData;
     28 import com.android.tv.testing.testinput.ITestInputControl;
     29 import java.util.Map;
     30 
     31 /**
     32  * Maintains state for the {@link TestTvInputService}.
     33  *
     34  * <p>Maintains the current state for every channel. A default is sent if the state is not
     35  * explicitly set. The state is versioned so TestTvInputService can tell if onNotifyXXX events need
     36  * to be sent.
     37  *
     38  * <p>Test update the state using @{link ITestInputControl} via {@link TestInputControlService}.
     39  */
     40 class TestInputControl extends ITestInputControl.Stub {
     41 
     42     private static final String TAG = "TestInputControl";
     43     private static final TestInputControl INSTANCE = new TestInputControl();
     44 
     45     private final LongSparseArray<ChannelInfo> mId2ChannelInfoMap = new LongSparseArray<>();
     46     private final LongSparseArray<ChannelState> mOrigId2StateMap = new LongSparseArray<>();
     47 
     48     private java.lang.String mInputId;
     49     private boolean initialized;
     50 
     51     private TestInputControl() {}
     52 
     53     public static TestInputControl getInstance() {
     54         return INSTANCE;
     55     }
     56 
     57     public synchronized void init(Context context, String inputId) {
     58         if (!initialized) {
     59             // TODO run initialization in a separate thread.
     60             mInputId = inputId;
     61             updateChannelMap(context);
     62             initialized = true;
     63         }
     64     }
     65 
     66     private void updateChannelMap(Context context) {
     67         mId2ChannelInfoMap.clear();
     68         Map<Long, ChannelInfo> channelIdToInfoMap =
     69                 ChannelUtils.queryChannelInfoMapForTvInput(context, mInputId);
     70         for (Long channelId : channelIdToInfoMap.keySet()) {
     71             mId2ChannelInfoMap.put(channelId, channelIdToInfoMap.get(channelId));
     72         }
     73         Log.i(
     74                 TAG,
     75                 "Initialized channel map for "
     76                         + mInputId
     77                         + " with "
     78                         + mId2ChannelInfoMap.size()
     79                         + " channels");
     80     }
     81 
     82     public ChannelInfo getChannelInfo(Uri channelUri) {
     83         return mId2ChannelInfoMap.get(ContentUris.parseId(channelUri));
     84     }
     85 
     86     public ChannelState getChannelState(int originalNetworkId) {
     87         return mOrigId2StateMap.get(originalNetworkId, ChannelState.DEFAULT);
     88     }
     89 
     90     @Override
     91     public synchronized void updateChannelState(int origId, ChannelStateData data)
     92             throws RemoteException {
     93         ChannelState state;
     94         ChannelState orig = getChannelState(origId);
     95         state = orig.next(data);
     96         mOrigId2StateMap.put(origId, state);
     97 
     98         Log.i(TAG, "Setting channel " + origId + " state to " + state);
     99     }
    100 }
    101