SliceViewManagerWrapper.java
/*
* Copyright 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 androidx.slice;
import static androidx.slice.SliceConvert.unwrap;
import static androidx.slice.widget.SliceLiveData.SUPPORTED_SPECS;
import android.app.slice.SliceSpec;
import android.content.ContentProviderClient;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ProviderInfo;
import android.net.Uri;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.annotation.RestrictTo;
import androidx.collection.ArrayMap;
import java.util.Collection;
import java.util.Set;
/**
* @hide
*/
@RestrictTo(RestrictTo.Scope.LIBRARY)
@RequiresApi(api = 28)
class SliceViewManagerWrapper extends SliceViewManagerBase {
private final ArrayMap<String, Boolean> mCachedSuspendFlags = new ArrayMap<>();
private final ArrayMap<String, String> mCachedAuthorities = new ArrayMap<>();
private final android.app.slice.SliceManager mManager;
private final Set<SliceSpec> mSpecs;
SliceViewManagerWrapper(Context context) {
this(context, context.getSystemService(android.app.slice.SliceManager.class));
}
SliceViewManagerWrapper(Context context, android.app.slice.SliceManager manager) {
super(context);
mManager = manager;
mSpecs = unwrap(SUPPORTED_SPECS);
}
@Override
public void pinSlice(@NonNull Uri uri) {
mManager.pinSlice(uri, mSpecs);
}
@Override
public void unpinSlice(@NonNull Uri uri) {
if (mManager.getPinnedSlices().contains(uri)) {
mManager.unpinSlice(uri);
}
}
@Nullable
@Override
public androidx.slice.Slice bindSlice(@NonNull Uri uri) {
if (isAuthoritySuspended(uri.getAuthority())) {
return null;
}
return SliceConvert.wrap(mManager.bindSlice(uri, mSpecs), mContext);
}
@Nullable
@Override
public androidx.slice.Slice bindSlice(@NonNull Intent intent) {
if (isPackageSuspended(intent)) {
return null;
}
return SliceConvert.wrap(mManager.bindSlice(intent, mSpecs), mContext);
}
private boolean isPackageSuspended(Intent intent) {
if (intent.getComponent() != null) {
return isPackageSuspended(intent.getComponent().getPackageName());
}
if (intent.getPackage() != null) {
return isPackageSuspended(intent.getPackage());
}
if (intent.getData() != null) {
return isAuthoritySuspended(intent.getData().getAuthority());
}
return false;
}
private boolean isAuthoritySuspended(String authority) {
String pkg = mCachedAuthorities.get(authority);
if (pkg == null) {
ProviderInfo providerInfo = mContext.getPackageManager()
.resolveContentProvider(authority, 0);
if (providerInfo == null) {
return false;
}
pkg = providerInfo.packageName;
mCachedAuthorities.put(authority, pkg);
}
return isPackageSuspended(pkg);
}
private boolean isPackageSuspended(String pkg) {
Boolean isSuspended = mCachedSuspendFlags.get(pkg);
if (isSuspended == null) {
try {
isSuspended = (mContext.getPackageManager().getApplicationInfo(pkg, 0).flags
& ApplicationInfo.FLAG_SUSPENDED) != 0;
mCachedSuspendFlags.put(pkg, isSuspended);
} catch (NameNotFoundException e) {
return false;
}
}
return isSuspended;
}
@Override
public Collection<Uri> getSliceDescendants(Uri uri) {
// TODO: When this is fixed in framework, remove this try / catch (b/80118259)
try {
return mManager.getSliceDescendants(uri);
} catch (RuntimeException e) {
// Check if a provider exists for this uri
ContentResolver resolver = mContext.getContentResolver();
ContentProviderClient provider = resolver.acquireContentProviderClient(uri);
if (provider == null) {
throw new IllegalArgumentException("No provider found for " + uri);
} else {
provider.close();
throw e;
}
}
}
@Nullable
@Override
public Uri mapIntentToUri(@NonNull Intent intent) {
return mManager.mapIntentToUri(intent);
}
}