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Commit d41f2db9 authored by Julia Reynolds's avatar Julia Reynolds
Browse files

Migrate NLS access to preferencecontrollers

In preparation for some new settings

Test: RoboTests
Bug: 173052211
Change-Id: I57c692d7ff0a1a8e36fb9e3f6c159263997fdc71
parent 8b1989cd
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+1 −1
Original line number Diff line number Diff line
@@ -8587,7 +8587,7 @@
    <string name="recent_conversations">Recent conversations</string>
    <!-- [CHAR LIMIT=20] button title -->
    <string name="conversation_settings_clear_recents">Clear recents</string>
    <string name="conversation_settings_clear_recents">Clear all of the recent ones</string>
    <!-- a11y string -->
    <string name="clear">Clear</string>
+8 −1
Original line number Diff line number Diff line
@@ -17,11 +17,18 @@

<PreferenceScreen
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:settings="http://schemas.android.com/apk/res-auto"
    android:key="notification_access_permission_detail_settings"
    android:title="@string/manage_notification_access_title">

    <com.android.settingslib.widget.LayoutPreference
        android:key="pref_app_header"
        android:layout="@layout/settings_entity_header"
        settings:controller="com.android.settings.applications.specialaccess.notificationaccess.HeaderPreferenceController"/>

    <com.android.settings.widget.FilterTouchesSwitchPreference
        android:key="notification_access_switch"
        android:title="@string/notification_access_detail_switch"/>
        android:title="@string/notification_access_detail_switch"
        settings:controller="com.android.settings.applications.specialaccess.notificationaccess.ApprovalPreferenceController"/>

</PreferenceScreen>
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+135 −0
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/*
 * Copyright (C) 2020 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.applications.specialaccess.notificationaccess;

import android.app.NotificationManager;
import android.app.settings.SettingsEnums;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.AsyncTask;

import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import androidx.preference.PreferenceFragmentCompat;
import androidx.preference.SwitchPreference;

import com.android.settings.core.BasePreferenceController;
import com.android.settings.overlay.FeatureFactory;

public class ApprovalPreferenceController extends BasePreferenceController {

    private static final String TAG = "ApprovalPrefController";

    private PackageInfo mPkgInfo;
    private ComponentName mCn;
    private PreferenceFragmentCompat mParent;
    private NotificationManager mNm;
    private PackageManager mPm;

    public ApprovalPreferenceController(Context context, String key) {
        super(context, key);
    }

    public ApprovalPreferenceController setPkgInfo(PackageInfo pkgInfo) {
        mPkgInfo = pkgInfo;
        return this;
    }

    public ApprovalPreferenceController setCn(ComponentName cn) {
        mCn = cn;
        return this;
    }

    public ApprovalPreferenceController setParent(PreferenceFragmentCompat parent) {
        mParent = parent;
        return this;
    }

    public ApprovalPreferenceController setNm(NotificationManager nm) {
        mNm = nm;
        return this;
    }

    public ApprovalPreferenceController setPm(PackageManager pm) {
        mPm = pm;
        return this;
    }

    @Override
    public int getAvailabilityStatus() {
        return AVAILABLE;
    }

    @Override
    public void updateState(Preference pref) {
        final SwitchPreference preference = (SwitchPreference) pref;
        final CharSequence label = mPkgInfo.applicationInfo.loadLabel(mPm);
        preference.setChecked(isServiceEnabled(mCn));
        preference.setOnPreferenceChangeListener((p, newValue) -> {
            final boolean access = (Boolean) newValue;
            if (!access) {
                if (!isServiceEnabled(mCn)) {
                    return true; // already disabled
                }
                // show a friendly dialog
                new FriendlyWarningDialogFragment()
                        .setServiceInfo(mCn, label, mParent)
                        .show(mParent.getFragmentManager(), "friendlydialog");
                return false;
            } else {
                if (isServiceEnabled(mCn)) {
                    return true; // already enabled
                }
                // show a scary dialog
                new ScaryWarningDialogFragment()
                        .setServiceInfo(mCn, label, mParent)
                        .show(mParent.getFragmentManager(), "dialog");
                return false;
            }
        });
    }

    public void disable(final ComponentName cn) {
        logSpecialPermissionChange(true, cn.getPackageName());
        mNm.setNotificationListenerAccessGranted(cn, false);
        AsyncTask.execute(() -> {
            if (!mNm.isNotificationPolicyAccessGrantedForPackage(
                    cn.getPackageName())) {
                mNm.removeAutomaticZenRules(cn.getPackageName());
            }
        });
    }

    protected void enable(ComponentName cn) {
        logSpecialPermissionChange(true, cn.getPackageName());
        mNm.setNotificationListenerAccessGranted(cn, true);
    }

    protected boolean isServiceEnabled(ComponentName cn) {
        return mNm.isNotificationListenerAccessGranted(cn);
    }

    @VisibleForTesting
    void logSpecialPermissionChange(boolean enable, String packageName) {
        final int logCategory = enable ? SettingsEnums.APP_SPECIAL_PERMISSION_NOTIVIEW_ALLOW
                : SettingsEnums.APP_SPECIAL_PERMISSION_NOTIVIEW_DENY;
        FeatureFactory.getFactory(mContext).getMetricsFeatureProvider().action(mContext,
                logCategory, packageName);
    }
}
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+107 −0
Original line number Diff line number Diff line
/*
 * Copyright (C) 2020 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.applications.specialaccess.notificationaccess;

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.util.IconDrawableFactory;
import android.view.View;

import androidx.lifecycle.LifecycleObserver;
import androidx.lifecycle.OnLifecycleEvent;
import androidx.preference.PreferenceScreen;

import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settings.widget.EntityHeaderController;
import com.android.settingslib.applications.AppUtils;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.widget.LayoutPreference;

public class HeaderPreferenceController extends BasePreferenceController
        implements PreferenceControllerMixin, LifecycleObserver {

    private DashboardFragment mFragment;
    private EntityHeaderController mHeaderController;
    private PackageInfo mPackageInfo;
    private PackageManager mPm;
    private CharSequence mServiceName;

    public HeaderPreferenceController(Context context, String key) {
        super(context, key);
    }

    public HeaderPreferenceController setFragment(DashboardFragment fragment) {
        mFragment = fragment;
        return this;
    }

    public HeaderPreferenceController setPackageInfo(PackageInfo packageInfo) {
        mPackageInfo = packageInfo;
        return this;
    }

    public HeaderPreferenceController setPm(PackageManager pm) {
        mPm = pm;
        return this;
    }

    public HeaderPreferenceController setServiceName(CharSequence serviceName) {
        mServiceName = serviceName;
        return this;
    }

    @Override
    public int getAvailabilityStatus() {
        return AVAILABLE;
    }

    @Override
    public void displayPreference(PreferenceScreen screen) {
        super.displayPreference(screen);
        if (mFragment == null) {
            return;
        }
        LayoutPreference pref = screen.findPreference(getPreferenceKey());
        mHeaderController = EntityHeaderController.newInstance(
                mFragment.getActivity(), mFragment, pref.findViewById(R.id.entity_header));
        pref = mHeaderController
                .setRecyclerView(mFragment.getListView(), mFragment.getSettingsLifecycle())
                .setIcon(IconDrawableFactory.newInstance(mFragment.getActivity())
                        .getBadgedIcon(mPackageInfo.applicationInfo))
                .setLabel(mPackageInfo.applicationInfo.loadLabel(mPm))
                .setSummary(mServiceName)
                .setIsInstantApp(AppUtils.isInstant(mPackageInfo.applicationInfo))
                .setPackageName(mPackageInfo.packageName)
                .setUid(mPackageInfo.applicationInfo.uid)
                .setHasAppInfoLink(true)
                .setButtonActions(EntityHeaderController.ActionType.ACTION_NONE,
                        EntityHeaderController.ActionType.ACTION_NONE)
                .done(mFragment.getActivity(), mContext);
        pref.findViewById(R.id.entity_header).setVisibility(View.VISIBLE);
    }

    @OnLifecycleEvent(Lifecycle.Event.ON_START)
    public void onStart() {
        if (mHeaderController != null) {
            mHeaderController.styleActionBar(mFragment.getActivity());
        }
    }
}
+95 −99
Original line number Diff line number Diff line
@@ -16,52 +16,56 @@

package com.android.settings.applications.specialaccess.notificationaccess;

import static com.android.settings.applications.AppInfoBase.ARG_PACKAGE_NAME;

import android.app.Activity;
import android.app.NotificationManager;
import android.app.settings.SettingsEnums;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.UserHandle;
import android.os.UserManager;
import android.provider.Settings;
import android.service.notification.NotificationListenerService;
import android.util.IconDrawableFactory;
import android.util.Log;
import android.util.Slog;

import androidx.annotation.VisibleForTesting;
import androidx.appcompat.app.AlertDialog;
import androidx.preference.Preference;
import androidx.preference.SwitchPreference;
import androidx.preference.PreferenceScreen;

import com.android.settings.R;
import com.android.settings.applications.AppInfoBase;
import com.android.settings.overlay.FeatureFactory;
import com.android.settings.widget.EntityHeaderController;
import com.android.settingslib.applications.AppUtils;

import com.android.settings.SettingsActivity;
import com.android.settings.applications.manageapplications.ManageApplications;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settingslib.RestrictedLockUtils;
import com.android.settingslib.RestrictedLockUtilsInternal;
import com.android.settingslib.applications.ApplicationsState;

import java.util.ArrayList;
import java.util.List;
import java.util.Objects;

public class NotificationAccessDetails extends AppInfoBase {
public class NotificationAccessDetails extends DashboardFragment {
    private static final String TAG = "NotifAccessDetails";
    private static final String SWITCH_PREF_KEY = "notification_access_switch";

    private boolean mCreated;
    private ComponentName mComponentName;
    private CharSequence mServiceName;
    protected PackageInfo mPackageInfo;
    protected int mUserId;
    protected String mPackageName;
    protected RestrictedLockUtils.EnforcedAdmin mAppsControlDisallowedAdmin;
    protected boolean mAppsControlDisallowedBySystem;
    private boolean mIsNls;

    private NotificationManager mNm;
    private PackageManager mPm;

    @Override
    public void onCreate(Bundle savedInstanceState) {
    public void onAttach(Context context) {
        super.onAttach(context);
        final Intent intent = getIntent();
        if (mComponentName == null && intent != null) {
            String cn = intent.getStringExtra(Settings.EXTRA_NOTIFICATION_LISTENER_COMPONENT_NAME);
@@ -73,38 +77,20 @@ public class NotificationAccessDetails extends AppInfoBase {
                }
            }
        }
        super.onCreate(savedInstanceState);
        mNm = getContext().getSystemService(NotificationManager.class);
        mPm = getPackageManager();
        addPreferencesFromResource(R.xml.notification_access_permission_details);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        if (mCreated) {
            Log.w(TAG, "onActivityCreated: ignoring duplicate call");
            return;
        }
        mCreated = true;
        if (mPackageInfo == null) return;
        retrieveAppEntry();
        loadNotificationListenerService();
        final Activity activity = getActivity();
        final Preference pref = EntityHeaderController
                .newInstance(activity, this, null /* header */)
                .setRecyclerView(getListView(), getSettingsLifecycle())
                .setIcon(IconDrawableFactory.newInstance(getContext())
                        .getBadgedIcon(mPackageInfo.applicationInfo))
                .setLabel(mPackageInfo.applicationInfo.loadLabel(mPm))
                .setSummary(mServiceName)
                .setIsInstantApp(AppUtils.isInstant(mPackageInfo.applicationInfo))
                .setPackageName(mPackageName)
                .setUid(mPackageInfo.applicationInfo.uid)
                .setHasAppInfoLink(true)
                .setButtonActions(EntityHeaderController.ActionType.ACTION_NONE,
                        EntityHeaderController.ActionType.ACTION_NONE)
                .done(activity, getPrefContext());
        getPreferenceScreen().addPreference(pref);
        use(ApprovalPreferenceController.class)
                .setPkgInfo(mPackageInfo)
                .setCn(mComponentName)
                .setNm(context.getSystemService(NotificationManager.class))
                .setPm(context.getPackageManager())
                .setParent(this);
        use(HeaderPreferenceController.class)
                .setFragment(this)
                .setPackageInfo(mPackageInfo)
                .setPm(context.getPackageManager())
                .setServiceName(mServiceName);
    }

    @Override
@@ -112,9 +98,7 @@ public class NotificationAccessDetails extends AppInfoBase {
        return SettingsEnums.NOTIFICATION_ACCESS_DETAIL;
    }

    @Override
    protected boolean refreshUi() {
        final Context context = getContext();
        if (mComponentName == null) {
            // No service given
            Slog.d(TAG, "No component name provided");
@@ -130,72 +114,74 @@ public class NotificationAccessDetails extends AppInfoBase {
            Slog.d(TAG, "NLSes aren't allowed in work profiles");
            return false;
        }
        updatePreference(findPreference(SWITCH_PREF_KEY));
        return true;
    }

    @Override
    protected AlertDialog createDialog(int id, int errorCode) {
        return null;
    }

    public void updatePreference(SwitchPreference preference) {
        final CharSequence label = mPackageInfo.applicationInfo.loadLabel(mPm);
        preference.setChecked(isServiceEnabled(mComponentName));
        preference.setOnPreferenceChangeListener((p, newValue) -> {
            final boolean access = (Boolean) newValue;
            if (!access) {
                if (!isServiceEnabled(mComponentName)) {
                    return true; // already disabled
                }
                // show a friendly dialog
                new FriendlyWarningDialogFragment()
                        .setServiceInfo(mComponentName, label, this)
                        .show(getFragmentManager(), "friendlydialog");
                return false;
            } else {
                if (isServiceEnabled(mComponentName)) {
                    return true; // already enabled
    public void onResume() {
        super.onResume();
        mAppsControlDisallowedAdmin = RestrictedLockUtilsInternal.checkIfRestrictionEnforced(
                getActivity(), UserManager.DISALLOW_APPS_CONTROL, mUserId);
        mAppsControlDisallowedBySystem = RestrictedLockUtilsInternal.hasBaseUserRestriction(
                getActivity(), UserManager.DISALLOW_APPS_CONTROL, mUserId);

        if (!refreshUi()) {
            setIntentAndFinish(true /* appChanged */);
        }
                // show a scary dialog
                new ScaryWarningDialogFragment()
                        .setServiceInfo(mComponentName, label, this)
                        .show(getFragmentManager(), "dialog");
                return false;
    }
        });

    protected void setIntentAndFinish(boolean appChanged) {
        Log.i(TAG, "appChanged=" + appChanged);
        Intent intent = new Intent();
        intent.putExtra(ManageApplications.APP_CHG, appChanged);
        SettingsActivity sa = (SettingsActivity) getActivity();
        sa.finishPreferencePanel(Activity.RESULT_OK, intent);
    }

    @VisibleForTesting
    void logSpecialPermissionChange(boolean enable, String packageName) {
        int logCategory = enable ? SettingsEnums.APP_SPECIAL_PERMISSION_NOTIVIEW_ALLOW
                : SettingsEnums.APP_SPECIAL_PERMISSION_NOTIVIEW_DENY;
        FeatureFactory.getFactory(getContext()).getMetricsFeatureProvider().action(getContext(),
                logCategory, packageName);
    protected void retrieveAppEntry() {
        final Bundle args = getArguments();
        mPackageName = (args != null) ? args.getString(ARG_PACKAGE_NAME) : null;
        Intent intent = (args == null) ?
                getIntent() : (Intent) args.getParcelable("intent");
        if (mPackageName == null) {
            if (intent != null && intent.getData() != null) {
                mPackageName = intent.getData().getSchemeSpecificPart();
            }
        }
        if (intent != null && intent.hasExtra(Intent.EXTRA_USER_HANDLE)) {
            mUserId = ((UserHandle) intent.getParcelableExtra(
                    Intent.EXTRA_USER_HANDLE)).getIdentifier();
        } else {
            mUserId = UserHandle.myUserId();
        }

    public void disable(final ComponentName cn) {
        logSpecialPermissionChange(true, cn.getPackageName());
        mNm.setNotificationListenerAccessGranted(cn, false);
        AsyncTask.execute(() -> {
            if (!mNm.isNotificationPolicyAccessGrantedForPackage(
                    cn.getPackageName())) {
                mNm.removeAutomaticZenRules(cn.getPackageName());
        try {
            mPackageInfo = mPm.getPackageInfoAsUser(mPackageName,
                    PackageManager.MATCH_DISABLED_COMPONENTS |
                            PackageManager.GET_SIGNING_CERTIFICATES |
                            PackageManager.GET_PERMISSIONS, mUserId);
        } catch (PackageManager.NameNotFoundException e) {
            Log.e(TAG, "Exception when retrieving package:" + mPackageName, e);
        }
        });
        refreshUi();
    }

    protected void enable(ComponentName cn) {
        logSpecialPermissionChange(true, cn.getPackageName());
        mNm.setNotificationListenerAccessGranted(cn, true);
        refreshUi();
    // Dialogs only have access to the parent fragment, not the controller, so pass the information
    // along to keep business logic out of this file
    public void disable(final ComponentName cn) {
        final PreferenceScreen screen = getPreferenceScreen();
        ApprovalPreferenceController controller = use(ApprovalPreferenceController.class);
        controller.disable(cn);
        controller.updateState(screen.findPreference(controller.getPreferenceKey()));
    }

    protected boolean isServiceEnabled(ComponentName cn) {
        return mNm.isNotificationListenerAccessGranted(cn);
    protected void enable(ComponentName cn) {
        final PreferenceScreen screen = getPreferenceScreen();
        ApprovalPreferenceController controller = use(ApprovalPreferenceController.class);
        controller.enable(cn);
        controller.updateState(screen.findPreference(controller.getPreferenceKey()));
    }

    // To save binder calls, load this in the fragment rather than each preference controller
    protected void loadNotificationListenerService() {
        mIsNls = false;

@@ -218,4 +204,14 @@ public class NotificationAccessDetails extends AppInfoBase {
            }
        }
    }

    @Override
    protected int getPreferenceScreenResId() {
        return R.xml.notification_access_permission_details;
    }

    @Override
    protected String getLogTag() {
        return TAG;
    }
}
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