| /* |
| * Copyright (C) 2019 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 android.app.slice.Slice.HINT_ERROR; |
| |
| import android.app.settings.SettingsEnums; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.net.Uri; |
| import android.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.slice.Slice; |
| import androidx.slice.SliceMetadata; |
| import androidx.slice.SliceViewManager; |
| import androidx.slice.core.SliceAction; |
| |
| import com.android.settings.overlay.FeatureFactory; |
| import com.android.settingslib.core.instrumentation.MetricsFeatureProvider; |
| |
| import java.util.List; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| public class EligibleCardChecker implements Callable<ContextualCard> { |
| |
| private static final String TAG = "EligibleCardChecker"; |
| private static final long LATCH_TIMEOUT_MS = 200; |
| |
| private final Context mContext; |
| |
| @VisibleForTesting |
| ContextualCard mCard; |
| |
| EligibleCardChecker(Context context, ContextualCard card) { |
| mContext = context; |
| mCard = card; |
| } |
| |
| @Override |
| public ContextualCard call() throws Exception { |
| final long startTime = System.currentTimeMillis(); |
| final MetricsFeatureProvider metricsFeatureProvider = |
| FeatureFactory.getFactory(mContext).getMetricsFeatureProvider(); |
| ContextualCard result; |
| |
| if (isCardEligibleToDisplay(mCard)) { |
| metricsFeatureProvider.action(SettingsEnums.PAGE_UNKNOWN, |
| SettingsEnums.ACTION_CONTEXTUAL_CARD_ELIGIBILITY, |
| SettingsEnums.SETTINGS_HOMEPAGE, |
| mCard.getTextSliceUri() /* key */, 1 /* true */); |
| result = mCard; |
| } else { |
| metricsFeatureProvider.action(SettingsEnums.PAGE_UNKNOWN, |
| SettingsEnums.ACTION_CONTEXTUAL_CARD_ELIGIBILITY, |
| SettingsEnums.SETTINGS_HOMEPAGE, |
| mCard.getTextSliceUri() /* key */, 0 /* false */); |
| result = null; |
| } |
| // Log individual card loading time |
| metricsFeatureProvider.action(SettingsEnums.PAGE_UNKNOWN, |
| SettingsEnums.ACTION_CONTEXTUAL_CARD_LOAD, |
| SettingsEnums.SETTINGS_HOMEPAGE, |
| mCard.getTextSliceUri() /* key */, |
| (int) (System.currentTimeMillis() - startTime) /* value */); |
| |
| return result; |
| } |
| |
| @VisibleForTesting |
| boolean isCardEligibleToDisplay(ContextualCard card) { |
| if (card.getRankingScore() < 0) { |
| return false; |
| } |
| if (card.isCustomCard()) { |
| return true; |
| } |
| |
| final Uri uri = card.getSliceUri(); |
| if (!ContentResolver.SCHEME_CONTENT.equals(uri.getScheme())) { |
| return false; |
| } |
| |
| final Slice slice = bindSlice(uri); |
| |
| if (isSliceToggleable(slice)) { |
| mCard = card.mutate().setHasInlineAction(true).build(); |
| } |
| |
| if (slice == null || slice.hasHint(HINT_ERROR)) { |
| Log.w(TAG, "Failed to bind slice, not eligible for display " + uri); |
| return false; |
| } |
| return true; |
| } |
| |
| @VisibleForTesting |
| Slice bindSlice(Uri uri) { |
| final SliceViewManager manager = SliceViewManager.getInstance(mContext); |
| final Slice[] returnSlice = new Slice[1]; |
| final CountDownLatch latch = new CountDownLatch(1); |
| final SliceViewManager.SliceCallback callback = |
| new SliceViewManager.SliceCallback() { |
| @Override |
| public void onSliceUpdated(Slice slice) { |
| try { |
| // We are just making sure the existence of the slice, so ignore |
| // slice loading state here. |
| returnSlice[0] = slice; |
| latch.countDown(); |
| } catch (Exception e) { |
| Log.w(TAG, uri + " cannot be indexed", e); |
| } finally { |
| manager.unregisterSliceCallback(uri, this); |
| } |
| } |
| }; |
| // Register a callback until we get a loaded slice. |
| manager.registerSliceCallback(uri, callback); |
| // Trigger the binding. |
| callback.onSliceUpdated(manager.bindSlice(uri)); |
| try { |
| latch.await(LATCH_TIMEOUT_MS, TimeUnit.MILLISECONDS); |
| } catch (InterruptedException e) { |
| Log.w(TAG, "Error waiting for slice binding for uri" + uri, e); |
| manager.unregisterSliceCallback(uri, callback); |
| } |
| return returnSlice[0]; |
| } |
| |
| @VisibleForTesting |
| boolean isSliceToggleable(Slice slice) { |
| final SliceMetadata metadata = SliceMetadata.from(mContext, slice); |
| final List<SliceAction> toggles = metadata.getToggles(); |
| |
| return !toggles.isEmpty(); |
| } |
| } |