src/com/android/settings/dashboard/suggestions/SuggestionAdapter.java

   1 /*
   2  * Copyright (C) 2017 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.settings.dashboard.suggestions;
  17
  18 import android.app.PendingIntent;
  19 import android.content.Context;
  20 import android.content.res.Resources;
  21 import android.graphics.Typeface;
  22 import android.graphics.drawable.Drawable;
  23 import android.graphics.drawable.Icon;
  24 import android.os.Bundle;
  25 import android.service.settings.suggestions.Suggestion;
  26 import android.support.annotation.VisibleForTesting;
  27 import android.support.v7.widget.RecyclerView;
  28 import android.text.TextUtils;
  29 import android.util.DisplayMetrics;
  30 import android.util.Log;
  31 import android.view.LayoutInflater;
  32 import android.view.View;
  33 import android.view.ViewGroup;
  34 import android.view.WindowManager;
  35 import android.widget.ImageView;
  36 import android.widget.LinearLayout;
  37
  38 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
  39 import com.android.settings.R;
  40 import com.android.settings.dashboard.DashboardAdapter.DashboardItemHolder;
  41 import com.android.settings.overlay.FeatureFactory;
  42 import com.android.settingslib.Utils;
  43 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
  44 import com.android.settingslib.core.lifecycle.Lifecycle;
  45 import com.android.settingslib.core.lifecycle.LifecycleObserver;
  46 import com.android.settingslib.core.lifecycle.events.OnSaveInstanceState;
  47 import com.android.settingslib.suggestions.SuggestionControllerMixin;
  48 import com.android.settingslib.utils.IconCache;
  49
  50 import java.util.ArrayList;
  51 import java.util.List;
  52 import java.util.Objects;
  53
  54 public class SuggestionAdapter extends RecyclerView.Adapter<DashboardItemHolder> implements
  55     LifecycleObserver, OnSaveInstanceState {
  56     public static final String TAG = "SuggestionAdapter";
  57
  58     private static final String STATE_SUGGESTIONS_SHOWN_LOGGED = "suggestions_shown_logged";
  59     private static final String STATE_SUGGESTION_LIST = "suggestion_list";
  60
  61     private final Context mContext;
  62     private final MetricsFeatureProvider mMetricsFeatureProvider;
  63     private final IconCache mCache;
  64     private final ArrayList<String> mSuggestionsShownLogged;
  65     private final SuggestionFeatureProvider mSuggestionFeatureProvider;
  66     private final SuggestionControllerMixin mSuggestionControllerMixin;
  67     private final Callback mCallback;
  68     private final CardConfig mConfig;
  69
  70     private List<Suggestion> mSuggestions;
  71
  72     public interface Callback {
  73         /**
  74          * Called when the close button of the suggestion card is clicked.
  75          */
  76         void onSuggestionClosed(Suggestion suggestion);
  77     }
  78
  79     public SuggestionAdapter(Context context, SuggestionControllerMixin suggestionControllerMixin,
  80         Bundle savedInstanceState, Callback callback, Lifecycle lifecycle) {
  81         mContext = context;
  82         mSuggestionControllerMixin = suggestionControllerMixin;
  83         mCache = new IconCache(context);
  84         final FeatureFactory factory = FeatureFactory.getFactory(context);
  85         mMetricsFeatureProvider = factory.getMetricsFeatureProvider();
  86         mSuggestionFeatureProvider = factory.getSuggestionFeatureProvider(context);
  87         mCallback = callback;
  88         if (savedInstanceState != null) {
  89             mSuggestions = savedInstanceState.getParcelableArrayList(STATE_SUGGESTION_LIST);
  90             mSuggestionsShownLogged = savedInstanceState.getStringArrayList(
  91                 STATE_SUGGESTIONS_SHOWN_LOGGED);
  92         } else {
  93             mSuggestionsShownLogged = new ArrayList<>();
  94         }
  95
  96         if (lifecycle != null) {
  97             lifecycle.addObserver(this);
  98         }
  99         mConfig = CardConfig.get(context);
 100
 101         setHasStableIds(true);
 102     }
 103
 104     @Override
 105     public DashboardItemHolder onCreateViewHolder(ViewGroup parent, int viewType) {
 106         return new DashboardItemHolder(LayoutInflater.from(parent.getContext()).inflate(
 107                 viewType, parent, false));
 108     }
 109
 110     @Override
 111     public void onBindViewHolder(DashboardItemHolder holder, int position) {
 112         final Suggestion suggestion = mSuggestions.get(position);
 113         final String id = suggestion.getId();
 114         final int suggestionCount = mSuggestions.size();
 115         if (!mSuggestionsShownLogged.contains(id)) {
 116             mMetricsFeatureProvider.action(
 117                     mContext, MetricsEvent.ACTION_SHOW_SETTINGS_SUGGESTION, id);
 118             mSuggestionsShownLogged.add(id);
 119         }
 120         final Icon icon = suggestion.getIcon();
 121         final Drawable drawable = mCache.getIcon(icon);
 122         if (drawable != null) {
 123             drawable.setTint(Utils.getColorAccent(mContext));
 124         }
 125         holder.icon.setImageDrawable(drawable);
 126         holder.title.setText(suggestion.getTitle());
 127         holder.title.setTypeface(Typeface.create(
 128             mContext.getString(com.android.internal.R.string.config_headlineFontFamily),
 129             Typeface.NORMAL));
 130
 131         if (suggestionCount == 1) {
 132             final CharSequence summary = suggestion.getSummary();
 133             if (!TextUtils.isEmpty(summary)) {
 134                 holder.summary.setText(summary);
 135                 holder.summary.setVisibility(View.VISIBLE);
 136             } else {
 137                 holder.summary.setVisibility(View.GONE);
 138             }
 139         } else {
 140             mConfig.setCardLayout(holder, position);
 141         }
 142
 143         final ImageView closeButton = holder.itemView.findViewById(R.id.close_button);
 144         if (closeButton != null) {
 145             closeButton.setOnClickListener(v -> {
 146                 mSuggestionFeatureProvider.dismissSuggestion(
 147                     mContext, mSuggestionControllerMixin, suggestion);
 148                 if (mCallback != null) {
 149                     mCallback.onSuggestionClosed(suggestion);
 150                 }
 151             });
 152         }
 153
 154         View clickHandler = holder.itemView;
 155         // If a view with @android:id/primary is defined, use that as the click handler
 156         // instead.
 157         final View primaryAction = holder.itemView.findViewById(android.R.id.primary);
 158         if (primaryAction != null) {
 159             clickHandler = primaryAction;
 160         }
 161         clickHandler.setOnClickListener(v -> {
 162             mMetricsFeatureProvider.action(mContext, MetricsEvent.ACTION_SETTINGS_SUGGESTION, id);
 163             try {
 164                 suggestion.getPendingIntent().send();
 165                 mSuggestionControllerMixin.launchSuggestion(suggestion);
 166             } catch (PendingIntent.CanceledException e) {
 167                 Log.w(TAG, "Failed to start suggestion " + suggestion.getTitle());
 168             }
 169         });
 170     }
 171
 172     @Override
 173     public long getItemId(int position) {
 174         return Objects.hash(mSuggestions.get(position).getId());
 175     }
 176
 177     @Override
 178     public int getItemViewType(int position) {
 179         final Suggestion suggestion = getSuggestion(position);
 180         if ((suggestion.getFlags() & Suggestion.FLAG_HAS_BUTTON) != 0) {
 181             return R.layout.suggestion_tile_with_button;
 182         }
 183         if (getItemCount() == 1) {
 184             return R.layout.suggestion_tile;
 185         }
 186         return R.layout.suggestion_tile_two_cards;
 187     }
 188
 189     @Override
 190     public int getItemCount() {
 191         return mSuggestions.size();
 192     }
 193
 194     public Suggestion getSuggestion(int position) {
 195         final long itemId = getItemId(position);
 196         if (mSuggestions == null) {
 197             return null;
 198         }
 199         for (Suggestion suggestion : mSuggestions) {
 200             if (Objects.hash(suggestion.getId()) == itemId) {
 201                 return suggestion;
 202             }
 203         }
 204         return null;
 205     }
 206
 207     public void removeSuggestion(Suggestion suggestion) {
 208         final int position = mSuggestions.indexOf(suggestion);
 209         mSuggestions.remove(suggestion);
 210         notifyItemRemoved(position);
 211     }
 212
 213     @Override
 214     public void onSaveInstanceState(Bundle outState) {
 215         if (mSuggestions != null) {
 216             outState.putParcelableArrayList(STATE_SUGGESTION_LIST,
 217                 new ArrayList<>(mSuggestions));
 218         }
 219         outState.putStringArrayList(STATE_SUGGESTIONS_SHOWN_LOGGED, mSuggestionsShownLogged);
 220     }
 221
 222     public void setSuggestions(List<Suggestion> suggestions) {
 223         mSuggestions = suggestions;
 224     }
 225
 226     public List<Suggestion> getSuggestions() {
 227         return mSuggestions;
 228     }
 229
 230     @VisibleForTesting
 231     static class CardConfig {
 232         // Card start/end margin
 233         private final int mMarginInner;
 234         private final int mMarginOuter;
 235         private final WindowManager mWindowManager;
 236
 237         private static CardConfig sConfig;
 238
 239         private CardConfig(Context context) {
 240             mWindowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
 241             final Resources res = context.getResources();
 242             mMarginInner =
 243                 res.getDimensionPixelOffset(R.dimen.suggestion_card_inner_margin);
 244             mMarginOuter =
 245                 res.getDimensionPixelOffset(R.dimen.suggestion_card_outer_margin);
 246         }
 247
 248         public static CardConfig get(Context context) {
 249             if (sConfig == null) {
 250                 sConfig = new CardConfig(context);
 251             }
 252             return sConfig;
 253         }
 254
 255         @VisibleForTesting
 256         void setCardLayout(DashboardItemHolder holder, int position) {
 257             final LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
 258                 getWidthForTwoCrads(), LinearLayout.LayoutParams.WRAP_CONTENT);
 259             params.setMarginStart(position == 0 ? mMarginOuter : mMarginInner);
 260             params.setMarginEnd(position != 0 ? mMarginOuter : 0);
 261             holder.itemView.setLayoutParams(params);
 262         }
 263
 264         private int getWidthForTwoCrads() {
 265             return (getScreenWidth() - mMarginInner - mMarginOuter * 2) / 2;
 266         }
 267
 268         @VisibleForTesting
 269         int getScreenWidth() {
 270             final DisplayMetrics metrics = new DisplayMetrics();
 271             mWindowManager.getDefaultDisplay().getMetrics(metrics);
 272             return metrics.widthPixels;
 273         }
 274     }
 275
 276 }