| /* |
| * 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 com.android.documentsui.ui; |
| |
| import android.app.Activity; |
| import android.content.DialogInterface; |
| import android.widget.Button; |
| import android.widget.TextView; |
| |
| import androidx.appcompat.app.AlertDialog; |
| import androidx.fragment.app.FragmentManager; |
| |
| import com.android.documentsui.R; |
| import com.android.documentsui.base.ConfirmationCallback; |
| import com.android.documentsui.base.DocumentInfo; |
| import com.android.documentsui.base.Features; |
| import com.android.documentsui.picker.ConfirmFragment; |
| import com.android.documentsui.services.FileOperation; |
| import com.android.documentsui.services.FileOperationService; |
| import com.android.documentsui.services.FileOperationService.OpType; |
| import com.android.documentsui.services.FileOperations; |
| import com.android.documentsui.services.FileOperations.Callback.Status; |
| |
| import com.google.android.material.dialog.MaterialAlertDialogBuilder; |
| import com.google.android.material.snackbar.Snackbar; |
| |
| import java.util.List; |
| |
| public interface DialogController { |
| |
| // Dialogs used in FilesActivity |
| void confirmDelete(List<DocumentInfo> docs, ConfirmationCallback callback); |
| void showFileOperationStatus(int status, int opType, int docCount); |
| |
| /** |
| * There can be only one progress dialog active at the time. Each call to this |
| * method will discard any previously created progress dialogs. |
| */ |
| void showProgressDialog(String jobId, FileOperation operation); |
| |
| void showNoApplicationFound(); |
| void showOperationUnsupported(); |
| void showViewInArchivesUnsupported(); |
| void showDocumentsClipped(int size); |
| |
| // Dialogs used in PickActivity |
| void confirmAction(FragmentManager fm, DocumentInfo pickTarget, int type); |
| |
| // Should be private, but Java doesn't like me treating an interface like a mini-package. |
| public static final class RuntimeDialogController implements DialogController { |
| |
| private final Activity mActivity; |
| private final MessageBuilder mMessages; |
| private final Features mFeatures; |
| private OperationProgressDialog mCurrentProgressDialog = null; |
| |
| public RuntimeDialogController(Features features, Activity activity, MessageBuilder messages) { |
| mFeatures = features; |
| mActivity = activity; |
| mMessages = messages; |
| } |
| |
| @Override |
| public void confirmDelete(List<DocumentInfo> docs, ConfirmationCallback callback) { |
| assert(!docs.isEmpty()); |
| |
| TextView message = |
| (TextView) mActivity.getLayoutInflater().inflate( |
| R.layout.dialog_delete_confirmation, null); |
| message.setText(mMessages.generateDeleteMessage(docs)); |
| |
| // For now, we implement this dialog NOT |
| // as a fragment (which can survive rotation and have its own state), |
| // but as a simple runtime dialog. So rotating a device with an |
| // active delete dialog...results in that dialog disappearing. |
| // We can do better, but don't have cycles for it now. |
| final AlertDialog alertDialog = new MaterialAlertDialogBuilder(mActivity) |
| .setView(message) |
| .setPositiveButton( |
| android.R.string.ok, |
| new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int id) { |
| callback.accept(ConfirmationCallback.CONFIRM); |
| } |
| }) |
| .setNegativeButton(android.R.string.cancel, null) |
| .create(); |
| |
| alertDialog.setOnShowListener( |
| (DialogInterface) -> { |
| Button positive = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE); |
| positive.setFocusable(true); |
| positive.requestFocus(); |
| }); |
| alertDialog.show(); |
| } |
| |
| @Override |
| public void showFileOperationStatus(@Status int status, @OpType int opType, int docCount) { |
| if (status == FileOperations.Callback.STATUS_REJECTED) { |
| showOperationUnsupported(); |
| return; |
| } |
| if (status == FileOperations.Callback.STATUS_FAILED) { |
| Snackbars.showOperationFailed(mActivity); |
| return; |
| } |
| |
| if (docCount == 0) { |
| // Nothing has been pasted, so there is no need to show a snackbar. |
| return; |
| } |
| |
| if (shouldShowProgressDialogForOperation(opType)) { |
| // The operation has a progress dialog created, so do not show a snackbar |
| // for operation start, as it would duplicate the UI. |
| return; |
| } |
| |
| switch (opType) { |
| case FileOperationService.OPERATION_MOVE: |
| Snackbars.showMove(mActivity, docCount); |
| break; |
| case FileOperationService.OPERATION_COPY: |
| Snackbars.showCopy(mActivity, docCount); |
| break; |
| case FileOperationService.OPERATION_COMPRESS: |
| Snackbars.showCompress(mActivity, docCount); |
| break; |
| case FileOperationService.OPERATION_EXTRACT: |
| Snackbars.showExtract(mActivity, docCount); |
| break; |
| case FileOperationService.OPERATION_DELETE: |
| Snackbars.showDelete(mActivity, docCount); |
| break; |
| default: |
| throw new UnsupportedOperationException("Unsupported Operation: " + opType); |
| } |
| } |
| |
| private boolean shouldShowProgressDialogForOperation(@OpType int opType) { |
| // TODO: Hook up progress dialog to the delete operation. |
| if (opType == FileOperationService.OPERATION_DELETE) { |
| return false; |
| } |
| |
| return mFeatures.isJobProgressDialogEnabled(); |
| } |
| |
| @Override |
| public void showProgressDialog(String jobId, FileOperation operation) { |
| assert(operation.getOpType() != FileOperationService.OPERATION_UNKNOWN); |
| |
| if (!shouldShowProgressDialogForOperation(operation.getOpType())) { |
| return; |
| } |
| |
| if (mCurrentProgressDialog != null) { |
| mCurrentProgressDialog.dismiss(); |
| } |
| |
| mCurrentProgressDialog = OperationProgressDialog.create(mActivity, jobId, operation); |
| mCurrentProgressDialog.show(); |
| } |
| |
| @Override |
| public void showNoApplicationFound() { |
| Snackbars.makeSnackbar( |
| mActivity, R.string.toast_no_application, Snackbar.LENGTH_SHORT).show(); |
| } |
| |
| @Override |
| public void showOperationUnsupported() { |
| Snackbars.showOperationRejected(mActivity); |
| } |
| |
| @Override |
| public void showViewInArchivesUnsupported() { |
| Snackbars.makeSnackbar(mActivity, R.string.toast_view_in_archives_unsupported, |
| Snackbar.LENGTH_SHORT).show(); |
| } |
| |
| @Override |
| public void showDocumentsClipped(int size) { |
| Snackbars.showDocumentsClipped(mActivity, size); |
| } |
| |
| @Override |
| public void confirmAction(FragmentManager fm, DocumentInfo pickTarget, int type) { |
| ConfirmFragment.show(fm, pickTarget, type); |
| } |
| } |
| |
| static DialogController create(Features features, Activity activity, MessageBuilder messages) { |
| return new RuntimeDialogController(features, activity, messages); |
| } |
| } |