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/*
* Copyright (C) 2021 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.launcher3.model;
import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_WIDGETS_PREDICTION;
import android.app.prediction.AppTarget;
import android.content.ComponentName;
import android.text.TextUtils;
import com.android.launcher3.LauncherAppState;
import com.android.launcher3.config.FeatureFlags;
import com.android.launcher3.model.BgDataModel.FixedContainerItems;
import com.android.launcher3.model.QuickstepModelDelegate.PredictorState;
import com.android.launcher3.util.ComponentKey;
import com.android.launcher3.util.PackageUserKey;
import com.android.launcher3.widget.PendingAddWidgetInfo;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
/** Task to update model as a result of predicted widgets update */
public final class WidgetsPredictionUpdateTask extends BaseModelUpdateTask {
private final PredictorState mPredictorState;
private final List<AppTarget> mTargets;
WidgetsPredictionUpdateTask(PredictorState predictorState, List<AppTarget> targets) {
mPredictorState = predictorState;
mTargets = targets;
}
/**
* Uses the app predication result to infer widgets that the user may want to use.
*
* <p>The algorithm uses the app prediction ranking to create a widgets ranking which only
* includes one widget per app and excludes widgets that have already been added to the
* workspace.
*/
@Override
public void execute(LauncherAppState appState, BgDataModel dataModel, AllAppsList apps) {
Set<ComponentKey> widgetsInWorkspace = dataModel.appWidgets.stream().map(
widget -> new ComponentKey(widget.providerName, widget.user)).collect(
Collectors.toSet());
Map<PackageUserKey, List<WidgetItem>> allWidgets =
dataModel.widgetsModel.getAllWidgetsWithoutShortcuts();
FixedContainerItems fixedContainerItems = mPredictorState.items;
fixedContainerItems.items.clear();
if (FeatureFlags.ENABLE_LOCAL_RECOMMENDED_WIDGETS_FILTER.get()) {
for (AppTarget app : mTargets) {
PackageUserKey packageUserKey = new PackageUserKey(app.getPackageName(),
app.getUser());
if (allWidgets.containsKey(packageUserKey)) {
List<WidgetItem> notAddedWidgets = allWidgets.get(packageUserKey).stream()
.filter(item ->
!widgetsInWorkspace.contains(
new ComponentKey(item.componentName, item.user)))
.collect(Collectors.toList());
if (notAddedWidgets.size() > 0) {
// Even an apps have more than one widgets, we only include one widget.
fixedContainerItems.items.add(
new PendingAddWidgetInfo(
notAddedWidgets.get(0).widgetInfo,
CONTAINER_WIDGETS_PREDICTION));
}
}
}
} else {
Map<ComponentKey, WidgetItem> widgetItems =
allWidgets.values().stream().flatMap(List::stream)
.collect(Collectors.toMap(widget -> (ComponentKey) widget,
widget -> widget));
for (AppTarget app : mTargets) {
if (TextUtils.isEmpty(app.getClassName())) {
continue;
}
ComponentKey targetWidget = new ComponentKey(
new ComponentName(app.getPackageName(), app.getClassName()), app.getUser());
if (widgetItems.containsKey(targetWidget)) {
fixedContainerItems.items.add(
new PendingAddWidgetInfo(widgetItems.get(
targetWidget).widgetInfo,
CONTAINER_WIDGETS_PREDICTION));
}
}
}
bindExtraContainerItems(fixedContainerItems);
// Don't store widgets prediction to disk because it is not used frequently.
}
}
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