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/*
* 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/72055774): add unit tests
public class AppStateDirectoryAccessBridge extends AppStateBaseBridge {
private static final String TAG = "DirectoryAccessBridge";
// TODO(b/72055774): set to false once feature is ready (or use Log.isLoggable)
static final boolean DEBUG = true;
static final boolean VERBOSE = true;
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) {
mPackages = null;
final Uri providerUri = new Uri.Builder().scheme(ContentResolver.SCHEME_CONTENT)
.authority(AUTHORITY).appendPath(TABLE_PACKAGES).appendPath("*")
.build();
try (Cursor cursor = context.getContentResolver().query(providerUri,
TABLE_PACKAGES_COLUMNS, null, null)) {
if (cursor == null) {
Log.w(TAG, "Didn't get cursor for " + providerUri);
return;
}
final int count = cursor.getCount();
if (count == 0) {
if (DEBUG) {
Log.d(TAG, "No packages anymore (was " + mPackages + ")");
}
return;
}
mPackages = new ArraySet<>(count);
while (cursor.moveToNext()) {
mPackages.add(cursor.getString(TABLE_PACKAGES_COL_PACKAGE));
}
if (DEBUG) {
Log.d(TAG, "init(): " + mPackages);
}
}
}
@Override
public boolean filterApp(AppEntry info) {
return mPackages != null && mPackages.contains(info.info.packageName);
}
};
}
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