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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.graphics.Bitmap;
     21 import android.support.annotation.Nullable;
     22 import android.text.TextUtils;
     23 import android.util.AttributeSet;
     24 import android.util.Log;
     25 import android.view.View;
     26 import android.widget.ImageView;
     27 import android.widget.ProgressBar;
     28 import android.widget.TextView;
     29 
     30 import com.android.tv.MainActivity;
     31 import com.android.tv.R;
     32 import com.android.tv.data.Channel;
     33 import com.android.tv.data.Program;
     34 import com.android.tv.parental.ParentalControlSettings;
     35 import com.android.tv.util.ImageLoader;
     36 
     37 import java.util.Objects;
     38 
     39 /**
     40  * A view to render channel card.
     41  */
     42 public class ChannelCardView extends BaseCardView<ChannelsRowItem> {
     43     private static final String TAG = MenuView.TAG;
     44     private static final boolean DEBUG = MenuView.DEBUG;
     45 
     46     private final int mCardImageWidth;
     47     private final int mCardImageHeight;
     48 
     49     private ImageView mImageView;
     50     private TextView mChannelNumberNameView;
     51     private ProgressBar mProgressBar;
     52     private Channel mChannel;
     53     private Program mProgram;
     54     private String mPosterArtUri;
     55     private final MainActivity mMainActivity;
     56 
     57     public ChannelCardView(Context context) {
     58         this(context, null);
     59     }
     60 
     61     public ChannelCardView(Context context, AttributeSet attrs) {
     62         this(context, attrs, 0);
     63     }
     64 
     65     public ChannelCardView(Context context, AttributeSet attrs, int defStyle) {
     66         super(context, attrs, defStyle);
     67         mCardImageWidth = getResources().getDimensionPixelSize(R.dimen.card_image_layout_width);
     68         mCardImageHeight = getResources().getDimensionPixelSize(R.dimen.card_image_layout_height);
     69         mMainActivity = (MainActivity) context;
     70     }
     71 
     72     @Override
     73     protected void onFinishInflate() {
     74         super.onFinishInflate();
     75         mImageView = (ImageView) findViewById(R.id.image);
     76         mImageView.setBackgroundResource(R.color.channel_card);
     77         mChannelNumberNameView = (TextView) findViewById(R.id.channel_number_and_name);
     78         mProgressBar = (ProgressBar) findViewById(R.id.progress);
     79     }
     80 
     81     @Override
     82     public void onBind(ChannelsRowItem item, boolean selected) {
     83         if (DEBUG) {
     84             Log.d(TAG, "onBind(channelName=" + item.getChannel().getDisplayName() + ", selected="
     85                     + selected + ")");
     86         }
     87         updateChannel(item);
     88         updateProgram();
     89         super.onBind(item, selected);
     90     }
     91 
     92     private void updateChannel(ChannelsRowItem item) {
     93         if (!item.getChannel().equals(mChannel)) {
     94             mChannel = item.getChannel();
     95             mChannelNumberNameView.setText(mChannel.getDisplayText());
     96             mChannelNumberNameView.setVisibility(VISIBLE);
     97         }
     98     }
     99 
    100     private void updateProgram() {
    101         ParentalControlSettings parental = mMainActivity.getParentalControlSettings();
    102         if (parental.isParentalControlsEnabled() && mChannel.isLocked()) {
    103             setText(R.string.program_title_for_blocked_channel);
    104             mProgram = null;
    105         } else {
    106             Program currentProgram =
    107                     mMainActivity.getProgramDataManager().getCurrentProgram(mChannel.getId());
    108             if (!Objects.equals(currentProgram, mProgram)) {
    109                 mProgram = currentProgram;
    110                 if (mProgram == null || TextUtils.isEmpty(mProgram.getTitle())) {
    111                     setTextViewEnabled(false);
    112                     setText(R.string.program_title_for_no_information);
    113                 } else {
    114                     setTextViewEnabled(true);
    115                     setText(mProgram.getTitle());
    116                 }
    117             }
    118         }
    119         if (mProgram == null) {
    120             mProgressBar.setVisibility(GONE);
    121             setPosterArt(null);
    122         } else {
    123             // Update progress.
    124             mProgressBar.setVisibility(View.VISIBLE);
    125             long startTime = mProgram.getStartTimeUtcMillis();
    126             long endTime = mProgram.getEndTimeUtcMillis();
    127             long currTime = System.currentTimeMillis();
    128             if (currTime <= startTime) {
    129                 mProgressBar.setProgress(0);
    130             } else if (currTime >= endTime) {
    131                 mProgressBar.setProgress(100);
    132             } else {
    133                 mProgressBar.setProgress(
    134                         (int) (100 * (currTime - startTime) / (endTime - startTime)));
    135             }
    136             // Update image.
    137             if (!parental.isParentalControlsEnabled()
    138                     || !parental.isRatingBlocked(mProgram.getContentRatings())) {
    139                 setPosterArt(mProgram.getPosterArtUri());
    140             }
    141         }
    142     }
    143 
    144     private static ImageLoader.ImageLoaderCallback<ChannelCardView> createProgramPosterArtCallback(
    145             ChannelCardView cardView, final Program program) {
    146         return new ImageLoader.ImageLoaderCallback<ChannelCardView>(cardView) {
    147             @Override
    148             public void onBitmapLoaded(ChannelCardView cardView, @Nullable Bitmap posterArt) {
    149                 if (posterArt == null || cardView.mProgram == null
    150                         || program.getChannelId() != cardView.mProgram.getChannelId()
    151                         || program.getChannelId() != cardView.mChannel.getId()) {
    152                     return;
    153                 }
    154                 cardView.updatePosterArt(posterArt);
    155             }
    156         };
    157     }
    158 
    159     private void setPosterArt(String posterArtUri) {
    160         if (!TextUtils.equals(mPosterArtUri, posterArtUri)) {
    161             mPosterArtUri = posterArtUri;
    162             if (posterArtUri == null
    163                     || !mProgram.loadPosterArt(getContext(), mCardImageWidth, mCardImageHeight,
    164                             createProgramPosterArtCallback(this, mProgram))) {
    165                 mImageView.setImageResource(R.drawable.ic_recent_thumbnail_default);
    166                 mImageView.setForeground(null);
    167             }
    168         }
    169     }
    170 
    171     private void updatePosterArt(Bitmap posterArt) {
    172         mImageView.setImageBitmap(posterArt);
    173         mImageView.setForeground(getContext().getDrawable(R.drawable.card_image_gradient));
    174     }
    175 }