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/*
* 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.notification;
import android.app.Application;
import android.app.Fragment;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.os.UserHandle;
import android.service.notification.NotifyingApp;
import android.support.annotation.VisibleForTesting;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceCategory;
import android.support.v7.preference.PreferenceScreen;
import android.text.TextUtils;
import android.util.ArrayMap;
import android.util.ArraySet;
import android.util.IconDrawableFactory;
import android.util.Log;
import com.android.internal.logging.nano.MetricsProto;
import com.android.settings.R;
import com.android.settings.applications.AppInfoBase;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settings.core.SubSettingLauncher;
import com.android.settingslib.TwoTargetPreference;
import com.android.settingslib.applications.AppUtils;
import com.android.settingslib.applications.ApplicationsState;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.utils.StringUtil;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* This controller displays a list of recently used apps and a "See all" button. If there is
* no recently used app, "See all" will be displayed as "Notifications".
*/
public class RecentNotifyingAppsPreferenceController extends AbstractPreferenceController
implements PreferenceControllerMixin {
private static final String TAG = "RecentNotisCtrl";
private static final String KEY_PREF_CATEGORY = "recent_notifications_category";
@VisibleForTesting
static final String KEY_DIVIDER = "all_notifications_divider";
@VisibleForTesting
static final String KEY_SEE_ALL = "all_notifications";
private static final int SHOW_RECENT_APP_COUNT = 5;
private static final Set<String> SKIP_SYSTEM_PACKAGES = new ArraySet<>();
private final Fragment mHost;
private final PackageManager mPm;
private final NotificationBackend mNotificationBackend;
private final int mUserId;
private final IconDrawableFactory mIconDrawableFactory;
private List<NotifyingApp> mApps;
private final ApplicationsState mApplicationsState;
private PreferenceCategory mCategory;
private Preference mSeeAllPref;
private Preference mDivider;
static {
SKIP_SYSTEM_PACKAGES.addAll(Arrays.asList(
"android",
"com.android.phone",
"com.android.settings",
"com.android.systemui",
"com.android.providers.calendar",
"com.android.providers.media"
));
}
public RecentNotifyingAppsPreferenceController(Context context, NotificationBackend backend,
Application app, Fragment host) {
this(context, backend, app == null ? null : ApplicationsState.getInstance(app), host);
}
@VisibleForTesting(otherwise = VisibleForTesting.NONE)
RecentNotifyingAppsPreferenceController(Context context, NotificationBackend backend,
ApplicationsState appState, Fragment host) {
super(context);
mIconDrawableFactory = IconDrawableFactory.newInstance(context);
mUserId = UserHandle.myUserId();
mPm = context.getPackageManager();
mHost = host;
mApplicationsState = appState;
mNotificationBackend = backend;
}
@Override
public boolean isAvailable() {
return true;
}
@Override
public String getPreferenceKey() {
return KEY_PREF_CATEGORY;
}
@Override
public void updateNonIndexableKeys(List<String> keys) {
PreferenceControllerMixin.super.updateNonIndexableKeys(keys);
// Don't index category name into search. It's not actionable.
keys.add(KEY_PREF_CATEGORY);
keys.add(KEY_DIVIDER);
}
@Override
public void displayPreference(PreferenceScreen screen) {
mCategory = (PreferenceCategory) screen.findPreference(getPreferenceKey());
mSeeAllPref = screen.findPreference(KEY_SEE_ALL);
mDivider = screen.findPreference(KEY_DIVIDER);
super.displayPreference(screen);
refreshUi(mCategory.getContext());
}
@Override
public void updateState(Preference preference) {
super.updateState(preference);
refreshUi(mCategory.getContext());
mSeeAllPref.setTitle(mContext.getString(R.string.recent_notifications_see_all_title));
}
@VisibleForTesting
void refreshUi(Context prefContext) {
reloadData();
final List<NotifyingApp> recentApps = getDisplayableRecentAppList();
if (recentApps != null && !recentApps.isEmpty()) {
displayRecentApps(prefContext, recentApps);
} else {
displayOnlyAllAppsLink();
}
}
@VisibleForTesting
void reloadData() {
mApps = mNotificationBackend.getRecentApps();
}
private void displayOnlyAllAppsLink() {
mCategory.setTitle(null);
mDivider.setVisible(false);
mSeeAllPref.setTitle(R.string.notifications_title);
mSeeAllPref.setIcon(null);
int prefCount = mCategory.getPreferenceCount();
for (int i = prefCount - 1; i >= 0; i--) {
final Preference pref = mCategory.getPreference(i);
if (!TextUtils.equals(pref.getKey(), KEY_SEE_ALL)) {
mCategory.removePreference(pref);
}
}
}
private void displayRecentApps(Context prefContext, List<NotifyingApp> recentApps) {
mCategory.setTitle(R.string.recent_notifications);
mDivider.setVisible(true);
mSeeAllPref.setSummary(null);
mSeeAllPref.setIcon(R.drawable.ic_chevron_right_24dp);
// Rebind prefs/avoid adding new prefs if possible. Adding/removing prefs causes jank.
// Build a cached preference pool
final Map<String, NotificationAppPreference> appPreferences = new ArrayMap<>();
int prefCount = mCategory.getPreferenceCount();
for (int i = 0; i < prefCount; i++) {
final Preference pref = mCategory.getPreference(i);
final String key = pref.getKey();
if (!TextUtils.equals(key, KEY_SEE_ALL)) {
appPreferences.put(key, (NotificationAppPreference) pref);
}
}
final int recentAppsCount = recentApps.size();
for (int i = 0; i < recentAppsCount; i++) {
final NotifyingApp app = recentApps.get(i);
// Bind recent apps to existing prefs if possible, or create a new pref.
final String pkgName = app.getPackage();
final ApplicationsState.AppEntry appEntry =
mApplicationsState.getEntry(app.getPackage(), mUserId);
if (appEntry == null) {
continue;
}
boolean rebindPref = true;
NotificationAppPreference pref = appPreferences.remove(pkgName);
if (pref == null) {
pref = new NotificationAppPreference(prefContext);
rebindPref = false;
}
pref.setKey(pkgName);
pref.setTitle(appEntry.label);
pref.setIcon(mIconDrawableFactory.getBadgedIcon(appEntry.info));
pref.setIconSize(TwoTargetPreference.ICON_SIZE_SMALL);
pref.setSummary(StringUtil.formatRelativeTime(mContext,
System.currentTimeMillis() - app.getLastNotified(), true));
pref.setOrder(i);
Bundle args = new Bundle();
args.putString(AppInfoBase.ARG_PACKAGE_NAME, pkgName);
args.putInt(AppInfoBase.ARG_PACKAGE_UID, appEntry.info.uid);
pref.setIntent(new SubSettingLauncher(mHost.getActivity())
.setDestination(AppNotificationSettings.class.getName())
.setTitle(R.string.notifications_title)
.setArguments(args)
.setSourceMetricsCategory(
MetricsProto.MetricsEvent.MANAGE_APPLICATIONS_NOTIFICATIONS)
.toIntent());
pref.setOnPreferenceChangeListener((preference, newValue) -> {
boolean blocked = !(Boolean) newValue;
mNotificationBackend.setNotificationsEnabledForPackage(
pkgName, appEntry.info.uid, !blocked);
return true;
});
pref.setChecked(
!mNotificationBackend.getNotificationsBanned(pkgName, appEntry.info.uid));
if (!rebindPref) {
mCategory.addPreference(pref);
}
}
// Remove unused prefs from pref cache pool
for (Preference unusedPrefs : appPreferences.values()) {
mCategory.removePreference(unusedPrefs);
}
}
private List<NotifyingApp> getDisplayableRecentAppList() {
Collections.sort(mApps);
List<NotifyingApp> displayableApps = new ArrayList<>(SHOW_RECENT_APP_COUNT);
int count = 0;
for (NotifyingApp app : mApps) {
final ApplicationsState.AppEntry appEntry = mApplicationsState.getEntry(
app.getPackage(), mUserId);
if (appEntry == null) {
continue;
}
if (!shouldIncludePkgInRecents(app.getPackage())) {
continue;
}
displayableApps.add(app);
count++;
if (count >= SHOW_RECENT_APP_COUNT) {
break;
}
}
return displayableApps;
}
/**
* Whether or not the app should be included in recent list.
*/
private boolean shouldIncludePkgInRecents(String pkgName) {
if (SKIP_SYSTEM_PACKAGES.contains(pkgName)) {
Log.d(TAG, "System package, skipping " + pkgName);
return false;
}
final Intent launchIntent = new Intent().addCategory(Intent.CATEGORY_LAUNCHER)
.setPackage(pkgName);
if (mPm.resolveActivity(launchIntent, 0) == null) {
// Not visible on launcher -> likely not a user visible app, skip if non-instant.
final ApplicationsState.AppEntry appEntry =
mApplicationsState.getEntry(pkgName, mUserId);
if (appEntry == null || appEntry.info == null || !AppUtils.isInstant(appEntry.info)) {
Log.d(TAG, "Not a user visible or instant app, skipping " + pkgName);
return false;
}
}
return true;
}
}