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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.menu;
     18 
     19 import android.content.Context;
     20 import android.media.tv.TvTrackInfo;
     21 import android.support.annotation.VisibleForTesting;
     22 import android.support.v4.os.BuildCompat;
     23 
     24 import com.android.tv.Features;
     25 import com.android.tv.R;
     26 import com.android.tv.TvOptionsManager;
     27 import com.android.tv.customization.CustomAction;
     28 import com.android.tv.data.DisplayMode;
     29 import com.android.tv.ui.TvViewUiManager;
     30 import com.android.tv.ui.sidepanel.ClosedCaptionFragment;
     31 import com.android.tv.ui.sidepanel.DisplayModeFragment;
     32 import com.android.tv.ui.sidepanel.MultiAudioFragment;
     33 import com.android.tv.util.PipInputManager;
     34 
     35 import java.util.ArrayList;
     36 import java.util.List;
     37 
     38 /*
     39  * An adapter of options.
     40  */
     41 public class TvOptionsRowAdapter extends CustomizableOptionsRowAdapter {
     42     private int mPositionPipAction;
     43     // If mInAppPipAction is false, system-wide PIP is used.
     44     private boolean mInAppPipAction = true;
     45     private final Context mContext;
     46 
     47     public TvOptionsRowAdapter(Context context, List<CustomAction> customActions) {
     48         super(context, customActions);
     49         mContext = context;
     50     }
     51 
     52     @Override
     53     protected List<MenuAction> createBaseActions() {
     54         List<MenuAction> actionList = new ArrayList<>();
     55         actionList.add(MenuAction.SELECT_CLOSED_CAPTION_ACTION);
     56         setOptionChangedListener(MenuAction.SELECT_CLOSED_CAPTION_ACTION);
     57         actionList.add(MenuAction.SELECT_DISPLAY_MODE_ACTION);
     58         setOptionChangedListener(MenuAction.SELECT_DISPLAY_MODE_ACTION);
     59         actionList.add(MenuAction.PIP_IN_APP_ACTION);
     60         setOptionChangedListener(MenuAction.PIP_IN_APP_ACTION);
     61         mPositionPipAction = actionList.size() - 1;
     62         actionList.add(MenuAction.SELECT_AUDIO_LANGUAGE_ACTION);
     63         setOptionChangedListener(MenuAction.SELECT_AUDIO_LANGUAGE_ACTION);
     64         if (Features.ONBOARDING_PLAY_STORE.isEnabled(getMainActivity())) {
     65             actionList.add(MenuAction.MORE_CHANNELS_ACTION);
     66         }
     67         actionList.add(MenuAction.SETTINGS_ACTION);
     68 
     69         if (getCustomActions() != null) {
     70             // Adjust Pip action position which will be changed by applying custom actions.
     71             for (CustomAction customAction : getCustomActions()) {
     72                 if (customAction.isFront()) {
     73                     mPositionPipAction++;
     74                 }
     75             }
     76         }
     77 
     78         return actionList;
     79     }
     80 
     81     @Override
     82     protected boolean updateActions() {
     83         boolean changed = false;
     84         if (updatePipAction()) {
     85             changed = true;
     86         }
     87         if (updateMultiAudioAction()) {
     88             changed = true;
     89         }
     90         if (updateDisplayModeAction()) {
     91             changed = true;
     92         }
     93         return changed;
     94     }
     95 
     96     private boolean updatePipAction() {
     97         // There are four states.
     98         // Case 1. The device doesn't even have any input for PIP. (e.g. OTT box without HDMI input)
     99         //    => Remove the icon.
    100         // Case 2. The device has one or more inputs for PIP but none of them are currently
    101         // available.
    102         //    => Show the icon but disable it.
    103         // Case 3. The device has one or more available PIP inputs and now it's tuned off.
    104         //    => Show the icon with "Off".
    105         // Case 4. The device has one or more available PIP inputs but it's already turned on.
    106         //    => Show the icon with "On".
    107 
    108         boolean changed = false;
    109 
    110         // Case 1
    111         PipInputManager pipInputManager = getMainActivity().getPipInputManager();
    112         if (pipInputManager.getPipInputSize(false) < 2) {
    113             if (mInAppPipAction) {
    114                 removeAction(mPositionPipAction);
    115                 mInAppPipAction = false;
    116                 if (BuildCompat.isAtLeastN()) {
    117                     addAction(mPositionPipAction, MenuAction.SYSTEMWIDE_PIP_ACTION);
    118                 }
    119                 return true;
    120             }
    121             return false;
    122         } else {
    123             if (!mInAppPipAction) {
    124                 removeAction(mPositionPipAction);
    125                 addAction(mPositionPipAction, MenuAction.PIP_IN_APP_ACTION);
    126                 mInAppPipAction = true;
    127                 changed = true;
    128             }
    129         }
    130 
    131         // Case 2
    132         boolean isPipEnabled = getMainActivity().isPipEnabled();
    133         boolean oldEnabled = MenuAction.PIP_IN_APP_ACTION.isEnabled();
    134         boolean newEnabled = pipInputManager.getPipInputSize(true) > 0;
    135         if (oldEnabled != newEnabled) {
    136             // Should not disable the item if the PIP is already turned on so that the user can
    137             // force exit it.
    138             if (newEnabled || !isPipEnabled) {
    139                 MenuAction.PIP_IN_APP_ACTION.setEnabled(newEnabled);
    140                 changed = true;
    141             }
    142         }
    143 
    144         // Case 3 & 4 - we just need to update the icon.
    145         MenuAction.PIP_IN_APP_ACTION.setDrawableResId(
    146                 isPipEnabled ? R.drawable.ic_tvoption_pip : R.drawable.ic_tvoption_pip_off);
    147         return changed;
    148     }
    149 
    150     @VisibleForTesting
    151     boolean updateMultiAudioAction() {
    152         List<TvTrackInfo> audioTracks = getMainActivity().getTracks(TvTrackInfo.TYPE_AUDIO);
    153         boolean oldEnabled = MenuAction.SELECT_AUDIO_LANGUAGE_ACTION.isEnabled();
    154         boolean newEnabled = audioTracks != null && audioTracks.size() > 1;
    155         if (oldEnabled != newEnabled) {
    156             MenuAction.SELECT_AUDIO_LANGUAGE_ACTION.setEnabled(newEnabled);
    157             return true;
    158         }
    159         return false;
    160     }
    161 
    162     private boolean updateDisplayModeAction() {
    163         TvViewUiManager uiManager = getMainActivity().getTvViewUiManager();
    164         boolean oldEnabled = MenuAction.SELECT_DISPLAY_MODE_ACTION.isEnabled();
    165         boolean newEnabled = uiManager.isDisplayModeAvailable(DisplayMode.MODE_FULL)
    166                 || uiManager.isDisplayModeAvailable(DisplayMode.MODE_ZOOM);
    167         if (oldEnabled != newEnabled) {
    168             MenuAction.SELECT_DISPLAY_MODE_ACTION.setEnabled(newEnabled);
    169             return true;
    170         }
    171         return false;
    172     }
    173 
    174     @Override
    175     protected void executeBaseAction(int type) {
    176         switch (type) {
    177             case TvOptionsManager.OPTION_CLOSED_CAPTIONS:
    178                 getMainActivity().getOverlayManager().getSideFragmentManager().show(
    179                         new ClosedCaptionFragment());
    180                 break;
    181             case TvOptionsManager.OPTION_DISPLAY_MODE:
    182                 getMainActivity().getOverlayManager().getSideFragmentManager().show(
    183                         new DisplayModeFragment());
    184                 break;
    185             case TvOptionsManager.OPTION_IN_APP_PIP:
    186                 getMainActivity().togglePipView();
    187                 break;
    188             case TvOptionsManager.OPTION_SYSTEMWIDE_PIP:
    189                 getMainActivity().enterPictureInPictureMode();
    190                 break;
    191             case TvOptionsManager.OPTION_MULTI_AUDIO:
    192                 getMainActivity().getOverlayManager().getSideFragmentManager().show(
    193                         new MultiAudioFragment());
    194                 break;
    195             case TvOptionsManager.OPTION_MORE_CHANNELS:
    196                 getMainActivity().showMerchantCollection();
    197                 break;
    198             case TvOptionsManager.OPTION_SETTINGS:
    199                 getMainActivity().showSettingsFragment();
    200                 break;
    201         }
    202     }
    203 }
    204