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Commit 33f2096f authored by tom hsu's avatar tom hsu Committed by Tom Hsu
Browse files

[Panlingual] Adds a filter of application for per apps locale change. 

 - Settings -> System -> app language -> app languages
   Use this filter to only show apps allowed to change the locale.
 - Settings -> Apps -> all apps -> any one of app -> language
   Use this filter to only show the language preference of app allowed to change the locale.
Bug: 210935436
Test: atest pass.
Test: local test.
Change-Id: I2f8a0815dae68392e11882ad9e1e4945492efdba
parent 0bcd9d1b

res/values/config.xml

+10 −0
Original line number Diff line number Diff line
@@ -560,4 +560,14 @@ 


    <!-- Whether to give option to add restricted profiles -->

    <bool name="config_offer_restricted_profiles">false</bool>



    <!-- An array of packages for which Applications whose per-app locale cannot be changed. -->

    <string-array name="config_disallowed_app_localeChange_packages" translatable="false">

        <!--

        <item>com.example.package.first</item>

        <item>com.example.package.second</item>

        <item>...</item>

        -->

    </string-array>



</resources>

src/com/android/settings/applications/AppLocaleUtil.java

0 → 100644
+68 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2022 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;



import android.app.ActivityManager;

import android.content.Context;

import android.content.pm.PackageInfo;

import android.content.pm.PackageManager;

import android.util.Log;



import com.android.settings.R;

import com.android.settingslib.applications.ApplicationsState.AppEntry;



/** This class provides methods that help dealing with per app locale. */

public class AppLocaleUtil {

    private static final String TAG = AppLocaleUtil.class.getSimpleName();



    /**

     * Decides the UI display of per app locale.

     */

    public static boolean canDisplayLocaleUi(Context context, AppEntry app) {

        return !isDisallowedPackage(context, app.info.packageName)

                && !isSignedWithPlatformKey(context, app.info.packageName)

                && app.hasLauncherEntry;

    }



    private static boolean isDisallowedPackage(Context context, String packageName) {

        final String[] disallowedPackages = context.getResources().getStringArray(

                R.array.config_disallowed_app_localeChange_packages);

        for (String disallowedPackage : disallowedPackages) {

            if (packageName.equals(disallowedPackage)) {

                return true;

            }

        }

        return false;

    }



    private static boolean isSignedWithPlatformKey(Context context, String packageName) {

        PackageInfo packageInfo = null;

        PackageManager packageManager = context.getPackageManager();

        ActivityManager activityManager = context.getSystemService(ActivityManager.class);

        try {

            packageInfo = packageManager.getPackageInfoAsUser(

                    packageName, /* flags= */ 0,

                    activityManager.getCurrentUser());

        } catch (PackageManager.NameNotFoundException ex) {

            Log.e(TAG, "package not found: " + packageName);

        }

        if (packageInfo == null) {

            return false;

        }

        return packageInfo.applicationInfo.isSignedWithPlatformKey();

    }

}

src/com/android/settings/applications/AppStateLocaleBridge.java

0 → 100644
+77 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2022 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;



import android.content.Context;

import android.util.Log;



import com.android.settingslib.applications.ApplicationsState;

import com.android.settingslib.applications.ApplicationsState.AppEntry;

import com.android.settingslib.applications.ApplicationsState.AppFilter;



import java.util.List;



/**

 * Creates a application filter to restrict UI display of applications.

 * This is to avoid users from changing the per apps locale

 * Also provides app filters that can use the info.

 */

public class AppStateLocaleBridge extends AppStateBaseBridge {

    private static final String TAG = AppStateLocaleBridge.class.getSimpleName();



    private final Context mContext;



    public AppStateLocaleBridge(Context context, ApplicationsState appState,

            Callback callback) {

        super(appState, callback);

        mContext = context;

    }



    @Override

    protected void updateExtraInfo(AppEntry app, String packageName, int uid) {

        app.extraInfo = AppLocaleUtil.canDisplayLocaleUi(mContext, app)

                ? Boolean.TRUE : Boolean.FALSE;

    }



    @Override

    protected void loadAllExtraInfo() {

        final List<AppEntry> allApps = mAppSession.getAllApps();

        for (int i = 0; i < allApps.size(); i++) {

            AppEntry app = allApps.get(i);

            app.extraInfo = AppLocaleUtil.canDisplayLocaleUi(mContext, app)

                    ? Boolean.TRUE : Boolean.FALSE;

        }

    }



    /** For the Settings which shows category of per app's locale. */

    public static final AppFilter FILTER_APPS_LOCALE =

            new AppFilter() {

                @Override

                public void init() {

                }



                @Override

                public boolean filterApp(AppEntry entry) {

                    if (entry.extraInfo == null) {

                        Log.d(TAG, "No extra info.");

                        return false;

                    }

                    return (Boolean) entry.extraInfo;

                }

            };





}

src/com/android/settings/applications/appinfo/AppLocalePreferenceController.java

+10 −3
Original line number Diff line number Diff line
@@ -20,20 +20,23 @@ import android.content.Context; 
import android.util.FeatureFlagUtils;



import com.android.settings.SettingsPreferenceFragment;

import com.android.settings.applications.AppLocaleUtil;



/**

 * A controller to update current locale information of application.

 */

public class AppLocalePreferenceController extends AppInfoPreferenceControllerBase {

    private static final String TAG = AppLocalePreferenceController.class.getSimpleName();



    public AppLocalePreferenceController(Context context, String key) {

        super(context, key);

    }



    @Override

    public int getAvailabilityStatus() {

        return FeatureFlagUtils

                .isEnabled(mContext, FeatureFlagUtils.SETTINGS_APP_LANGUAGE_SELECTION)

                ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;

        boolean isFeatureOn = FeatureFlagUtils

                .isEnabled(mContext, FeatureFlagUtils.SETTINGS_APP_LANGUAGE_SELECTION);

        return isFeatureOn && canDisplayLocaleUi() ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;

    }



    @Override
@@ -45,4 +48,8 @@ public class AppLocalePreferenceController extends AppInfoPreferenceControllerBa 
    public CharSequence getSummary() {

        return AppLocaleDetails.getSummary(mContext, mParent.getAppEntry().info.packageName);

    }



    boolean canDisplayLocaleUi() {

        return AppLocaleUtil.canDisplayLocaleUi(mContext, mParent.getAppEntry());

    }

}

src/com/android/settings/applications/manageapplications/AppFilterRegistry.java

+15 −2
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ import androidx.annotation.IntDef; 
import com.android.settings.R;

import com.android.settings.applications.AppStateAlarmsAndRemindersBridge;

import com.android.settings.applications.AppStateInstallAppsBridge;

import com.android.settings.applications.AppStateLocaleBridge;

import com.android.settings.applications.AppStateManageExternalStorageBridge;

import com.android.settings.applications.AppStateMediaManagementAppsBridge;

import com.android.settings.applications.AppStateNotificationBridge;
@@ -54,6 +55,7 @@ public class AppFilterRegistry { 
            FILTER_APPS_BLOCKED,

            FILTER_ALARMS_AND_REMINDERS,

            FILTER_APPS_MEDIA_MANAGEMENT,

            FILTER_APPS_LOCALE,

    })

    @interface FilterType {

    }
@@ -79,14 +81,15 @@ public class AppFilterRegistry { 
    public static final int FILTER_MANAGE_EXTERNAL_STORAGE = 17;

    public static final int FILTER_ALARMS_AND_REMINDERS = 18;

    public static final int FILTER_APPS_MEDIA_MANAGEMENT = 19;

    // Next id: 20. If you add an entry here, length of mFilters should be updated

    public static final int FILTER_APPS_LOCALE = 20;

    // Next id: 21. If you add an entry here, length of mFilters should be updated



    private static AppFilterRegistry sRegistry;



    private final AppFilterItem[] mFilters;



    private AppFilterRegistry() {

        mFilters = new AppFilterItem[20];

        mFilters = new AppFilterItem[21];



        // High power allowlist, on

        mFilters[FILTER_APPS_POWER_ALLOWLIST] = new AppFilterItem(
@@ -203,8 +206,16 @@ public class AppFilterRegistry { 
                AppStateMediaManagementAppsBridge.FILTER_MEDIA_MANAGEMENT_APPS,

                FILTER_APPS_MEDIA_MANAGEMENT,

                R.string.media_management_apps_title);



        // Apps that can configurate appication's locale.

        mFilters[FILTER_APPS_LOCALE] = new AppFilterItem(

                AppStateLocaleBridge.FILTER_APPS_LOCALE,

            FILTER_APPS_LOCALE,

                R.string.app_locale_picker_title);

    }







    public static AppFilterRegistry getInstance() {

        if (sRegistry == null) {

            sRegistry = new AppFilterRegistry();
@@ -235,6 +246,8 @@ public class AppFilterRegistry { 
                return FILTER_ALARMS_AND_REMINDERS;

            case ManageApplications.LIST_TYPE_MEDIA_MANAGEMENT_APPS:

                return FILTER_APPS_MEDIA_MANAGEMENT;

            case ManageApplications.LIST_TYPE_APPS_LOCALE:

                return FILTER_APPS_LOCALE;

            default:

                return FILTER_APPS_ALL;

        }