Renamed Storage Access to Directory Access.

Test: manual verification
Test: make RunSettingsRoboTests -j40

Bug: 63720392
Bug: 72135562

Change-Id: I31e63456994d7a9cd2a83a260930835a1052e793

src/com/android/settings/applications/AppStateDirectoryAccessBridge.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 AppStateDirectoryAccessBridge extends AppStateBaseBridge {
+
+    private static final String TAG = "DirectoryAccessBridge";
+
+    public AppStateDirectoryAccessBridge(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_DIRECTORY_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);
+        }
+    };
+}