| /* |
| * Copyright (C) 2016 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 android.service.autofill; |
| |
| import static android.service.autofill.AutoFillService.DEBUG; |
| |
| import android.app.Activity; |
| import android.app.assist.AssistStructure.ViewNode; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.util.Log; |
| import android.view.autofill.AutoFillId; |
| |
| import com.android.internal.util.Preconditions; |
| |
| /** |
| * Handles save requests from the {@link AutoFillService} into the {@link Activity} being |
| * auto-filled. |
| */ |
| public final class SaveCallback { |
| |
| private static final String TAG = "SaveCallback"; |
| |
| private final IAutoFillServerCallback mCallback; |
| |
| private boolean mReplied = false; |
| |
| /** @hide */ |
| SaveCallback(IAutoFillServerCallback callback) { |
| mCallback = callback; |
| } |
| |
| /** |
| * Notifies the Android System that an |
| * {@link AutoFillService#onSaveRequest(android.app.assist.AssistStructure, Bundle, android.os.CancellationSignal, SaveCallback)} |
| * was successfully fulfilled by the service. |
| * |
| * @param ids ids ({@link ViewNode#getAutoFillId()}) of the fields that were saved. |
| * |
| * @throws RuntimeException if an error occurred while calling the Android System. |
| */ |
| public void onSuccess(AutoFillId[] ids) { |
| if (DEBUG) Log.d(TAG, "onSuccess(): ids=" + ((ids == null) ? "null" : ids.length)); |
| |
| Preconditions.checkArgument(ids != null, "ids cannot be null"); |
| checkNotRepliedYet(); |
| |
| Preconditions.checkArgument(ids.length > 0, "ids cannot be empty"); |
| |
| try { |
| mCallback.highlightSavedFields(ids); |
| } catch (RemoteException e) { |
| e.rethrowAsRuntimeException(); |
| } |
| } |
| |
| /** |
| * Notifies the Android System that an |
| * {@link AutoFillService#onSaveRequest(android.app.assist.AssistStructure, Bundle, android.os.CancellationSignal, SaveCallback)} |
| * could not be fulfilled by the service. |
| * |
| * @param message error message to be displayed to the user. |
| * |
| * @throws RuntimeException if an error occurred while calling the Android System. |
| */ |
| public void onFailure(CharSequence message) { |
| if (DEBUG) Log.d(TAG, "onFailure(): message=" + message); |
| |
| Preconditions.checkArgument(message != null, "message cannot be null"); |
| checkNotRepliedYet(); |
| |
| try { |
| mCallback.showError(message.toString()); |
| } catch (RemoteException e) { |
| e.rethrowAsRuntimeException(); |
| } |
| } |
| |
| // There can be only one!! |
| private void checkNotRepliedYet() { |
| Preconditions.checkState(!mReplied, "already replied"); |
| mReplied = true; |
| } |
| } |