Merge "Initial screens for Storage Access."

res/values/strings.xml

@@ -9174,4 +9174,9 @@
     <!-- UI debug setting: preference summary - describes the behavior of forcing full raw GNSS satellite measurements [CHAR LIMIT=NONE] -->
     <string name="enable_gnss_raw_meas_full_tracking_summary">Track all GNSS constellations and frequencies with no duty cycling</string>
 
+    <!-- Title for Storage Access settings -->
+    <string name="storage_access">Storage access</string>
+    <!-- Keywords for Storage Access settings -->
+    <string name="keywords_storage_access">storage access scoped directory</string>
+
 </resources>

res/xml/special_access.xml

@@ -111,4 +111,16 @@
             android:value="com.android.settings.Settings$VrListenersSettingsActivity" />
     </Preference>
 
+<!-- TODO(b/63720392): add when ready
+    <Preference
+        android:key="special_app_storage_access"
+        android:title="@string/storage_access"
+        android:fragment="com.android.settings.applications.manageapplications.ManageApplications"
+        settings:keywords="@string/keywords_storage_access">
+        <extra
+            android:name="classname"
+            android:value="com.android.settings.Settings$StorageAccessSettingsActivity" />
+    </Preference>
+ -->
+
 </PreferenceScreen>

src/com/android/settings/Settings.java

@@ -120,6 +120,7 @@ public class Settings extends SettingsActivity {
     public static class PhotosStorageActivity extends SettingsActivity {
         /* empty */
     }
+    public static class StorageAccessSettingsActivity extends SettingsActivity { /* empty */ }
 
     public static class TopLevelSettings extends SettingsActivity { /* empty */ }
     public static class ApnSettingsActivity extends SettingsActivity { /* empty */ }

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

@@ -0,0 +1,88 @@
+/*
+ * 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.applications;
+
+import static android.os.storage.StorageVolume.ScopedAccessProviderContract.AUTHORITY;
+import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PACKAGES;
+import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PACKAGES_COLUMNS;
+import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PACKAGES_COL_PACKAGE;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.util.ArraySet;
+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.Set;
+
+// TODO(b/63720392): add unit tests
+public class AppStateStorageAccessBridge extends AppStateBaseBridge {
+
+    private static final String TAG = "StorageAccessBridge";
+
+    public AppStateStorageAccessBridge(ApplicationsState appState, Callback callback) {
+        super(appState, callback);
+    }
+
+    @Override
+    protected void loadAllExtraInfo() { }
+
+    @Override
+    protected void updateExtraInfo(AppEntry app, String pkg, int uid) { }
+
+    public static final AppFilter FILTER_APP_HAS_STORAGE_ACCESS = new AppFilter() {
+
+        private Set<String> mPackages;
+
+        @Override
+        public void init() {
+            throw new UnsupportedOperationException("Need to call constructor that takes context");
+        }
+
+        @Override
+        public void init(Context context) {
+            try (Cursor cursor = context.getContentResolver().query(
+                    new Uri.Builder().scheme(ContentResolver.SCHEME_CONTENT)
+                            .authority(AUTHORITY).appendPath(TABLE_PACKAGES).appendPath("*")
+                            .build(), TABLE_PACKAGES_COLUMNS, null, null)) {
+                if (cursor == null) {
+                    Log.w(TAG, "didn't get cursor");
+                    return;
+                }
+                final int count = cursor.getCount();
+                if (count == 0) {
+                    Log.d(TAG, "no packages");
+                    return;
+                }
+                mPackages = new ArraySet<>(count);
+                while (cursor.moveToNext()) {
+                    mPackages.add(cursor.getString(TABLE_PACKAGES_COL_PACKAGE));
+                }
+                Log.v(TAG, "init(): " + mPackages);
+            }
+        }
+
+        @Override
+        public boolean filterApp(AppEntry info) {
+            return mPackages != null && mPackages.contains(info.info.packageName);
+        }
+    };
+}

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

@@ -0,0 +1,110 @@
+/*
+ * 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.applications;
+
+import static android.os.storage.StorageVolume.ScopedAccessProviderContract.AUTHORITY;
+import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PERMISSIONS;
+import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PERMISSIONS_COLUMNS;
+import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PERMISSIONS_COL_DIRECTORY;
+import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PERMISSIONS_COL_GRANTED;
+import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PERMISSIONS_COL_PACKAGE;
+import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PERMISSIONS_COL_VOLUME_UUID;
+
+import android.app.AlertDialog;
+import android.content.ContentResolver;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import android.support.v7.preference.Preference.OnPreferenceClickListener;
+import android.util.Log;
+
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.R;
+
+/**
+ * Detailed settings for an app's storage access permissions (A.K.A Scoped Directory Access).
+ */
+// TODO(b/63720392): explain its layout
+// TODO(b/63720392): add unit tests
+public class StorageAccessDetails extends AppInfoWithHeader implements OnPreferenceChangeListener,
+        OnPreferenceClickListener {
+    private static final String MY_TAG = "StorageAccessDetails";
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        if (true) {
+            // TODO(b/63720392): temporarily hack so the screen doesn't crash..
+            addPreferencesFromResource(R.xml.app_ops_permissions_details);
+            // ... we need to dynamically create the preferences by calling the provider instead:
+            try (Cursor cursor = getContentResolver().query(
+                    new Uri.Builder().scheme(ContentResolver.SCHEME_CONTENT)
+                            .authority(AUTHORITY).appendPath(TABLE_PERMISSIONS).appendPath("*")
+                            .build(),
+                    TABLE_PERMISSIONS_COLUMNS, null, null)) {
+                if (cursor == null) {
+                    Log.w(TAG, "didn't get cursor");
+                    return;
+                }
+                final int count = cursor.getCount();
+                if (count == 0) {
+                    Log.d(TAG, "no permissions");
+                    return;
+                }
+                while (cursor.moveToNext()) {
+                    final String pkg = cursor.getString(TABLE_PERMISSIONS_COL_PACKAGE);
+                    final String uuid = cursor.getString(TABLE_PERMISSIONS_COL_VOLUME_UUID);
+                    final String dir = cursor.getString(TABLE_PERMISSIONS_COL_DIRECTORY);
+                    final boolean granted = cursor.getInt(TABLE_PERMISSIONS_COL_GRANTED) == 1;
+                    Log.v(MY_TAG, "pkg:" + pkg + " uuid: " + uuid + " dir: " + dir + "> "
+                            + granted);
+                }
+            }
+        }
+    }
+
+    @Override
+    public boolean onPreferenceClick(Preference preference) {
+        // TODO(b/63720392): implement or remove listener
+        return false;
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        // TODO(b/63720392): implement or remove listener
+        return false;
+    }
+
+    @Override
+    protected boolean refreshUi() {
+        // TODO(b/63720392): implement
+        return true;
+    }
+
+    @Override
+    protected AlertDialog createDialog(int id, int errorCode) {
+        return null;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.APPLICATIONS_USAGE_ACCESS_DETAIL;
+    }
+}

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

@@ -23,6 +23,7 @@ import com.android.settings.applications.AppStateInstallAppsBridge;
 import com.android.settings.applications.AppStateNotificationBridge;
 import com.android.settings.applications.AppStateOverlayBridge;
 import com.android.settings.applications.AppStatePowerBridge;
+import com.android.settings.applications.AppStateStorageAccessBridge;
 import com.android.settings.applications.AppStateUsageBridge;
 import com.android.settings.applications.AppStateWriteSettingsBridge;
 import com.android.settingslib.applications.ApplicationsState;
@@ -65,14 +66,15 @@ public class AppFilterRegistry {
     public static final int FILTER_APPS_WITH_OVERLAY = 10;
     public static final int FILTER_APPS_WRITE_SETTINGS = 11;
     public static final int FILTER_APPS_INSTALL_SOURCES = 12;
-    // Next id: 13
+    public static final int FILTER_APP_HAS_STORAGE_ACCESS = 13;
+    // Next id: 14
 
     private static AppFilterRegistry sRegistry;
 
     private final AppFilterItem[] mFilters;
 
     private AppFilterRegistry() {
-        mFilters = new AppFilterItem[13];
+        mFilters = new AppFilterItem[14];
 
         // High power whitelist, on
         mFilters[FILTER_APPS_POWER_WHITELIST] = new AppFilterItem(
@@ -155,6 +157,12 @@ public class AppFilterRegistry {
                 AppStateInstallAppsBridge.FILTER_APP_SOURCES,
                 FILTER_APPS_INSTALL_SOURCES,
                 R.string.filter_install_sources_apps);
+
+        // Apps that interacted with storage access permissions (A.K.A. Scoped Directory Access)
+        mFilters[FILTER_APP_HAS_STORAGE_ACCESS] = new AppFilterItem(
+                AppStateStorageAccessBridge.FILTER_APP_HAS_STORAGE_ACCESS,
+                FILTER_APP_HAS_STORAGE_ACCESS,
+                R.string.filter_install_sources_apps);
     }
 
     public static AppFilterRegistry getInstance() {
@@ -177,6 +185,8 @@ public class AppFilterRegistry {
                 return FILTER_APPS_WRITE_SETTINGS;
             case ManageApplications.LIST_TYPE_MANAGE_SOURCES:
                 return FILTER_APPS_INSTALL_SOURCES;
+            case ManageApplications.LIST_TYPE_STORAGE_ACCESS:
+                return FILTER_APP_HAS_STORAGE_ACCESS;
             default:
                 return FILTER_APPS_ALL;
         }

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

@@ -84,6 +84,7 @@ import com.android.settings.applications.AppStateInstallAppsBridge;
 import com.android.settings.applications.AppStateNotificationBridge;
 import com.android.settings.applications.AppStateOverlayBridge;
 import com.android.settings.applications.AppStatePowerBridge;
+import com.android.settings.applications.AppStateStorageAccessBridge;
 import com.android.settings.applications.AppStateUsageBridge;
 import com.android.settings.applications.AppStateUsageBridge.UsageState;
 import com.android.settings.applications.AppStateWriteSettingsBridge;
@@ -92,6 +93,7 @@ import com.android.settings.applications.DefaultAppSettings;
 import com.android.settings.applications.InstalledAppCounter;
 import com.android.settings.applications.InstalledAppDetails;
 import com.android.settings.applications.NotificationApps;
+import com.android.settings.applications.StorageAccessDetails;
 import com.android.settings.applications.UsageAccessDetails;
 import com.android.settings.applications.appinfo.AppInfoDashboardFragment;
 import com.android.settings.applications.appinfo.DrawOverlayDetails;
@@ -204,6 +206,7 @@ public class ManageApplications extends InstrumentedPreferenceFragment
     public static final int LIST_TYPE_GAMES = 9;
     public static final int LIST_TYPE_MOVIES = 10;
     public static final int LIST_TYPE_PHOTOGRAPHY = 11;
+    public static final int LIST_TYPE_STORAGE_ACCESS = 12;
 
     // List types that should show instant apps.
     public static final Set<Integer> LIST_TYPES_WITH_INSTANT = new ArraySet<>(Arrays.asList(
@@ -279,6 +282,9 @@ public class ManageApplications extends InstrumentedPreferenceFragment
             mListType = LIST_TYPE_PHOTOGRAPHY;
             mSortOrder = R.id.sort_order_size;
             mStorageType = args.getInt(EXTRA_STORAGE_TYPE, STORAGE_TYPE_DEFAULT);
+        } else if (className.equals(Settings.StorageAccessSettingsActivity.class.getName())) {
+            mListType = LIST_TYPE_STORAGE_ACCESS;
+            screenTitle = R.string.storage_access;
         } else {
             mListType = LIST_TYPE_MAIN;
         }
@@ -443,6 +449,8 @@ public class ManageApplications extends InstrumentedPreferenceFragment
                 return MetricsEvent.SYSTEM_ALERT_WINDOW_APPS;
             case LIST_TYPE_MANAGE_SOURCES:
                 return MetricsEvent.MANAGE_EXTERNAL_SOURCES;
+            case LIST_TYPE_STORAGE_ACCESS:
+                return MetricsEvent.STORAGE_ACCESS;
             default:
                 return MetricsEvent.VIEW_UNKNOWN;
         }
@@ -537,6 +545,10 @@ public class ManageApplications extends InstrumentedPreferenceFragment
             case LIST_TYPE_PHOTOGRAPHY:
                 startAppInfoFragment(AppStorageSettings.class, R.string.storage_photos_videos);
                 break;
+            case LIST_TYPE_STORAGE_ACCESS:
+                startAppInfoFragment(StorageAccessDetails.class, R.string.storage_access);
+                break;
+
             // TODO: Figure out if there is a way where we can spin up the profile's settings
             // process ahead of time, to avoid a long load of data when user clicks on a managed
             // app. Maybe when they load the list of apps that contains managed profile apps.
@@ -840,6 +852,8 @@ public class ManageApplications extends InstrumentedPreferenceFragment
                 mExtraInfoBridge = new AppStateWriteSettingsBridge(mContext, mState, this);
             } else if (mManageApplications.mListType == LIST_TYPE_MANAGE_SOURCES) {
                 mExtraInfoBridge = new AppStateInstallAppsBridge(mContext, mState, this);
+            } else if (mManageApplications.mListType == LIST_TYPE_STORAGE_ACCESS) {
+                mExtraInfoBridge = new AppStateStorageAccessBridge(mState, this);
             } else {
                 mExtraInfoBridge = null;
             }
@@ -1241,6 +1255,9 @@ public class ManageApplications extends InstrumentedPreferenceFragment
                 case LIST_TYPE_MANAGE_SOURCES:
                     holder.setSummary(ExternalSourcesDetails.getPreferenceSummary(mContext, entry));
                     break;
+                case LIST_TYPE_STORAGE_ACCESS:
+                    holder.setSummary(null);
+                    break;
                 default:
                     holder.updateSizeText(entry, mManageApplications.mInvalidSizeStr, mWhichSize);
                     break;

src/com/android/settings/core/gateway/SettingsGateway.java

@@ -44,6 +44,7 @@ import com.android.settings.applications.ManageDomainUrls;
 import com.android.settings.applications.NotificationApps;
 import com.android.settings.applications.ProcessStatsSummary;
 import com.android.settings.applications.ProcessStatsUi;
+import com.android.settings.applications.StorageAccessDetails;
 import com.android.settings.applications.UsageAccessDetails;
 import com.android.settings.applications.VrListenerSettings;
 import com.android.settings.applications.appinfo.AppInfoDashboardFragment;
@@ -252,7 +253,8 @@ public class SettingsGateway {
             WebViewAppPicker.class.getName(),
             LockscreenDashboardFragment.class.getName(),
             BluetoothDeviceDetailsFragment.class.getName(),
-            DataUsageList.class.getName()
+            DataUsageList.class.getName(),
+            StorageAccessDetails.class.getName()
     };
 
     public static final String[] SETTINGS_FOR_RESTRICTED = {

tests/robotests/assets/grandfather_not_implementing_indexable

@@ -73,3 +73,4 @@ com.android.settings.TetherSettings
 com.android.settings.ApnEditor
 com.android.settings.UserCredentialsSettings
 com.android.settings.TestingSettings
+com.android.settings.applications.StorageAccessDetails