| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settings.homepage.contextualcards; |
| |
| import static com.android.settings.slices.CustomSliceRegistry.BLUETOOTH_DEVICES_SLICE_URI; |
| import static com.android.settings.slices.CustomSliceRegistry.CONTEXTUAL_NOTIFICATION_CHANNEL_SLICE_URI; |
| import static com.android.settings.slices.CustomSliceRegistry.CONTEXTUAL_WIFI_SLICE_URI; |
| |
| import android.app.settings.SettingsEnums; |
| import android.content.Context; |
| import android.database.ContentObserver; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.util.Log; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.settings.R; |
| import com.android.settings.homepage.contextualcards.logging.ContextualCardLogUtils; |
| import com.android.settings.overlay.FeatureFactory; |
| import com.android.settingslib.core.instrumentation.MetricsFeatureProvider; |
| import com.android.settingslib.utils.AsyncLoaderCompat; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| public class ContextualCardLoader extends AsyncLoaderCompat<List<ContextualCard>> { |
| |
| @VisibleForTesting |
| static final int DEFAULT_CARD_COUNT = 2; |
| static final int CARD_CONTENT_LOADER_ID = 1; |
| |
| private static final String TAG = "ContextualCardLoader"; |
| private static final long ELIGIBILITY_CHECKER_TIMEOUT_MS = 250; |
| |
| private final ExecutorService mExecutorService; |
| private final ContentObserver mObserver = new ContentObserver( |
| new Handler(Looper.getMainLooper())) { |
| @Override |
| public void onChange(boolean selfChange, Uri uri) { |
| if (isStarted()) { |
| mNotifyUri = uri; |
| forceLoad(); |
| } |
| } |
| }; |
| |
| @VisibleForTesting |
| Uri mNotifyUri; |
| |
| private final Context mContext; |
| |
| ContextualCardLoader(Context context) { |
| super(context); |
| mContext = context.getApplicationContext(); |
| mExecutorService = Executors.newCachedThreadPool(); |
| } |
| |
| @Override |
| protected void onStartLoading() { |
| super.onStartLoading(); |
| mNotifyUri = null; |
| mContext.getContentResolver().registerContentObserver(CardContentProvider.REFRESH_CARD_URI, |
| false /*notifyForDescendants*/, mObserver); |
| mContext.getContentResolver().registerContentObserver(CardContentProvider.DELETE_CARD_URI, |
| false /*notifyForDescendants*/, mObserver); |
| } |
| |
| @Override |
| protected void onStopLoading() { |
| super.onStopLoading(); |
| mContext.getContentResolver().unregisterContentObserver(mObserver); |
| } |
| |
| @Override |
| protected void onDiscardResult(List<ContextualCard> result) { |
| |
| } |
| |
| @NonNull |
| @Override |
| public List<ContextualCard> loadInBackground() { |
| final List<ContextualCard> result = new ArrayList<>(); |
| if (mContext.getResources().getBoolean(R.bool.config_use_legacy_suggestion)) { |
| Log.d(TAG, "Skipping - in legacy suggestion mode"); |
| return result; |
| } |
| try (Cursor cursor = getContextualCardsFromProvider()) { |
| if (cursor.getCount() > 0) { |
| for (cursor.moveToFirst(); !cursor.isAfterLast(); cursor.moveToNext()) { |
| final ContextualCard card = new ContextualCard(cursor); |
| if (card.isCustomCard()) { |
| //TODO(b/114688391): Load and generate custom card,then add into list |
| } else if (isLargeCard(card)) { |
| result.add(card.mutate().setIsLargeCard(true).build()); |
| } else { |
| result.add(card); |
| } |
| } |
| } |
| } |
| return getDisplayableCards(result); |
| } |
| |
| // Get final displayed cards and log what cards will be displayed/hidden |
| @VisibleForTesting |
| List<ContextualCard> getDisplayableCards(List<ContextualCard> candidates) { |
| final List<ContextualCard> eligibleCards = filterEligibleCards(candidates); |
| final List<ContextualCard> visibleCards = new ArrayList<>(); |
| final List<ContextualCard> hiddenCards = new ArrayList<>(); |
| |
| final int size = eligibleCards.size(); |
| for (int i = 0; i < size; i++) { |
| if (i < DEFAULT_CARD_COUNT) { |
| visibleCards.add(eligibleCards.get(i)); |
| } else { |
| hiddenCards.add(eligibleCards.get(i)); |
| } |
| } |
| |
| if (!CardContentProvider.DELETE_CARD_URI.equals(mNotifyUri)) { |
| final MetricsFeatureProvider metricsFeatureProvider = |
| FeatureFactory.getFactory(mContext).getMetricsFeatureProvider(); |
| |
| metricsFeatureProvider.action(mContext, |
| SettingsEnums.ACTION_CONTEXTUAL_CARD_NOT_SHOW, |
| ContextualCardLogUtils.buildCardListLog(hiddenCards)); |
| } |
| return visibleCards; |
| } |
| |
| @VisibleForTesting |
| Cursor getContextualCardsFromProvider() { |
| return CardDatabaseHelper.getInstance(mContext).getContextualCards(); |
| } |
| |
| @VisibleForTesting |
| List<ContextualCard> filterEligibleCards(List<ContextualCard> candidates) { |
| final List<ContextualCard> cards = new ArrayList<>(); |
| final List<Future<ContextualCard>> eligibleCards = new ArrayList<>(); |
| |
| for (ContextualCard card : candidates) { |
| final EligibleCardChecker future = new EligibleCardChecker(mContext, card); |
| eligibleCards.add(mExecutorService.submit(future)); |
| } |
| // Collect future and eligible cards |
| for (Future<ContextualCard> cardFuture : eligibleCards) { |
| try { |
| final ContextualCard card = cardFuture.get(ELIGIBILITY_CHECKER_TIMEOUT_MS, |
| TimeUnit.MILLISECONDS); |
| if (card != null) { |
| cards.add(card); |
| } |
| } catch (ExecutionException | InterruptedException | TimeoutException e) { |
| Log.w(TAG, "Failed to get eligible state for card, likely timeout. Skipping", e); |
| } |
| } |
| return cards; |
| } |
| |
| private boolean isLargeCard(ContextualCard card) { |
| return card.getSliceUri().equals(CONTEXTUAL_WIFI_SLICE_URI) |
| || card.getSliceUri().equals(BLUETOOTH_DEVICES_SLICE_URI) |
| || card.getSliceUri().equals(CONTEXTUAL_NOTIFICATION_CHANNEL_SLICE_URI); |
| } |
| |
| public interface CardContentLoaderListener { |
| void onFinishCardLoading(List<ContextualCard> contextualCards); |
| } |
| } |