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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 
     17 package com.android.tv;
     18 
     19 import android.content.Context;
     20 import android.media.tv.TvTrackInfo;
     21 import android.util.SparseArray;
     22 
     23 import com.android.tv.data.DisplayMode;
     24 import com.android.tv.util.TvSettings;
     25 import com.android.tv.util.TvSettings.PipLayout;
     26 import com.android.tv.util.TvSettings.PipSize;
     27 import com.android.tv.util.TvSettings.PipSound;
     28 
     29 import java.util.Locale;
     30 
     31 /**
     32  * The TvOptionsManager is responsible for keeping track of current TV options such as closed
     33  * captions and display mode. Can be also used to create MenuAction items to control such options.
     34  */
     35 public class TvOptionsManager {
     36     public static final int OPTION_CLOSED_CAPTIONS = 0;
     37     public static final int OPTION_DISPLAY_MODE = 1;
     38     public static final int OPTION_IN_APP_PIP = 2;
     39     public static final int OPTION_SYSTEMWIDE_PIP = 3;
     40     public static final int OPTION_MULTI_AUDIO = 4;
     41     public static final int OPTION_MORE_CHANNELS = 5;
     42     public static final int OPTION_SETTINGS = 6;
     43 
     44     public static final int OPTION_PIP_INPUT = 100;
     45     public static final int OPTION_PIP_SWAP = 101;
     46     public static final int OPTION_PIP_SOUND = 102;
     47     public static final int OPTION_PIP_LAYOUT = 103 ;
     48     public static final int OPTION_PIP_SIZE = 104;
     49 
     50     private final Context mContext;
     51     private final SparseArray<OptionChangedListener> mOptionChangedListeners = new SparseArray<>();
     52 
     53     private String mClosedCaptionsLanguage;
     54     private int mDisplayMode;
     55     private boolean mPip;
     56     private String mMultiAudio;
     57     private String mPipInput;
     58     private boolean mPipSwap;
     59     @PipSound private int mPipSound;
     60     @PipLayout private int mPipLayout;
     61     @PipSize private int mPipSize;
     62 
     63     public TvOptionsManager(Context context) {
     64         mContext = context;
     65     }
     66 
     67     public String getOptionString(int option) {
     68         switch (option) {
     69             case OPTION_CLOSED_CAPTIONS:
     70                 if (mClosedCaptionsLanguage == null) {
     71                     return mContext.getString(R.string.closed_caption_option_item_off);
     72                 }
     73                 return new Locale(mClosedCaptionsLanguage).getDisplayName();
     74             case OPTION_DISPLAY_MODE:
     75                 return ((MainActivity) mContext).getTvViewUiManager()
     76                         .isDisplayModeAvailable(mDisplayMode)
     77                         ? DisplayMode.getLabel(mDisplayMode, mContext)
     78                         : DisplayMode.getLabel(DisplayMode.MODE_NORMAL, mContext);
     79             case OPTION_IN_APP_PIP:
     80                 return mContext.getString(
     81                         mPip ? R.string.options_item_pip_on : R.string.options_item_pip_off);
     82             case OPTION_MULTI_AUDIO:
     83                 return mMultiAudio;
     84             case OPTION_PIP_INPUT:
     85                 return mPipInput;
     86             case OPTION_PIP_SWAP:
     87                 return mContext.getString(mPipSwap ? R.string.pip_options_item_swap_on
     88                         : R.string.pip_options_item_swap_off);
     89             case OPTION_PIP_SOUND:
     90                 if (mPipSound == TvSettings.PIP_SOUND_MAIN) {
     91                     return mContext.getString(R.string.pip_options_item_sound_main);
     92                 } else if (mPipSound == TvSettings.PIP_SOUND_PIP_WINDOW) {
     93                     return mContext.getString(R.string.pip_options_item_sound_pip_window);
     94                 }
     95                 break;
     96             case OPTION_PIP_LAYOUT:
     97                 if (mPipLayout == TvSettings.PIP_LAYOUT_BOTTOM_RIGHT) {
     98                     return mContext.getString(R.string.pip_options_item_layout_bottom_right);
     99                 } else if (mPipLayout == TvSettings.PIP_LAYOUT_TOP_RIGHT) {
    100                     return mContext.getString(R.string.pip_options_item_layout_top_right);
    101                 } else if (mPipLayout == TvSettings.PIP_LAYOUT_TOP_LEFT) {
    102                     return mContext.getString(R.string.pip_options_item_layout_top_left);
    103                 } else if (mPipLayout == TvSettings.PIP_LAYOUT_BOTTOM_LEFT) {
    104                     return mContext.getString(R.string.pip_options_item_layout_bottom_left);
    105                 } else if (mPipLayout == TvSettings.PIP_LAYOUT_SIDE_BY_SIDE) {
    106                     return mContext.getString(R.string.pip_options_item_layout_side_by_side);
    107                 }
    108                 break;
    109             case OPTION_PIP_SIZE:
    110                 if (mPipSize == TvSettings.PIP_SIZE_BIG) {
    111                     return mContext.getString(R.string.pip_options_item_size_big);
    112                 } else if (mPipSize == TvSettings.PIP_SIZE_SMALL) {
    113                     return mContext.getString(R.string.pip_options_item_size_small);
    114                 }
    115                 break;
    116         }
    117         return "";
    118     }
    119 
    120     public void onClosedCaptionsChanged(TvTrackInfo track) {
    121         mClosedCaptionsLanguage = (track == null) ? null
    122                 : (track.getLanguage() != null) ? track.getLanguage()
    123                         : mContext.getString(R.string.default_language);
    124         notifyOptionChanged(OPTION_CLOSED_CAPTIONS);
    125     }
    126 
    127     public void onDisplayModeChanged(int displayMode) {
    128         mDisplayMode = displayMode;
    129         notifyOptionChanged(OPTION_DISPLAY_MODE);
    130     }
    131 
    132     public void onPipChanged(boolean pip) {
    133         mPip = pip;
    134         notifyOptionChanged(OPTION_IN_APP_PIP);
    135     }
    136 
    137     public void onMultiAudioChanged(String multiAudio) {
    138         mMultiAudio = multiAudio;
    139         notifyOptionChanged(OPTION_MULTI_AUDIO);
    140     }
    141 
    142     public void onPipInputChanged(String pipInput) {
    143         mPipInput = pipInput;
    144         notifyOptionChanged(OPTION_PIP_INPUT);
    145     }
    146 
    147     public void onPipSwapChanged(boolean pipSwap) {
    148         mPipSwap = pipSwap;
    149         notifyOptionChanged(OPTION_PIP_SWAP);
    150     }
    151 
    152     public void onPipSoundChanged(@PipSound int pipSound) {
    153         mPipSound = pipSound;
    154         notifyOptionChanged(OPTION_PIP_SOUND);
    155     }
    156 
    157     public void onPipLayoutChanged(@PipLayout int pipLayout) {
    158         mPipLayout = pipLayout;
    159         notifyOptionChanged(OPTION_PIP_LAYOUT);
    160     }
    161 
    162     public void onPipSizeChanged(@PipSize int pipSize) {
    163         mPipSize = pipSize;
    164         notifyOptionChanged(OPTION_PIP_SIZE);
    165     }
    166 
    167     private void notifyOptionChanged(int option) {
    168         OptionChangedListener listener = mOptionChangedListeners.get(option);
    169         if (listener != null) {
    170             listener.onOptionChanged(getOptionString(option));
    171         }
    172     }
    173 
    174     public void setOptionChangedListener(int option, OptionChangedListener listener) {
    175         mOptionChangedListeners.put(option, listener);
    176     }
    177 
    178     /**
    179      * An interface used to monitor option changes.
    180      */
    181     public interface OptionChangedListener {
    182         void onOptionChanged(String newOption);
    183     }
    184 }
    185