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/DirectoryAccessDetails.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 directory access permissions (A.K.A Scoped Directory Access).
+ */
+// TODO(b/63720392): explain its layout
+// TODO(b/63720392): add unit tests
+public class DirectoryAccessDetails extends AppInfoWithHeader implements OnPreferenceChangeListener,
+        OnPreferenceClickListener {
+    private static final String MY_TAG = "DirectoryAccessDetails";
+
+    @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_DIRECTORY_ACCESS_DETAIL;
+    }
+}