| /* |
| * Copyright (C) 2010 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.providers.downloads; |
| |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.content.ContentValues; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.database.Cursor; |
| import android.net.Uri; |
| import android.provider.Downloads; |
| import android.text.format.Formatter; |
| import android.util.Log; |
| |
| import java.util.LinkedList; |
| import java.util.Queue; |
| |
| /** |
| * Activity to show dialogs to the user when a download exceeds a limit on download sizes for |
| * mobile networks. This activity gets started by the background download service when a download's |
| * size is discovered to be exceeded one of these thresholds. |
| */ |
| public class SizeLimitActivity extends Activity |
| implements DialogInterface.OnCancelListener, DialogInterface.OnClickListener { |
| private Dialog mDialog; |
| private Queue<Intent> mDownloadsToShow = new LinkedList<Intent>(); |
| private Uri mCurrentUri; |
| private Intent mCurrentIntent; |
| |
| @Override |
| protected void onNewIntent(Intent intent) { |
| super.onNewIntent(intent); |
| setIntent(intent); |
| } |
| |
| @Override |
| protected void onResume() { |
| super.onResume(); |
| Intent intent = getIntent(); |
| if (intent != null) { |
| mDownloadsToShow.add(intent); |
| setIntent(null); |
| showNextDialog(); |
| } |
| if (mDialog != null && !mDialog.isShowing()) { |
| mDialog.show(); |
| } |
| } |
| |
| private void showNextDialog() { |
| if (mDialog != null) { |
| return; |
| } |
| |
| if (mDownloadsToShow.isEmpty()) { |
| finish(); |
| return; |
| } |
| |
| mCurrentIntent = mDownloadsToShow.poll(); |
| mCurrentUri = mCurrentIntent.getData(); |
| Cursor cursor = getContentResolver().query(mCurrentUri, null, null, null, null); |
| try { |
| if (!cursor.moveToFirst()) { |
| Log.e(Constants.TAG, "Empty cursor for URI " + mCurrentUri); |
| dialogClosed(); |
| return; |
| } |
| showDialog(cursor); |
| } finally { |
| cursor.close(); |
| } |
| } |
| |
| private void showDialog(Cursor cursor) { |
| int size = cursor.getInt(cursor.getColumnIndexOrThrow(Downloads.Impl.COLUMN_TOTAL_BYTES)); |
| String sizeString = Formatter.formatFileSize(this, size); |
| String queueText = getString(R.string.button_queue_for_wifi); |
| boolean isWifiRequired = |
| mCurrentIntent.getExtras().getBoolean(DownloadInfo.EXTRA_IS_WIFI_REQUIRED); |
| |
| AlertDialog.Builder builder = new AlertDialog.Builder(this, AlertDialog.THEME_HOLO_DARK); |
| if (isWifiRequired) { |
| builder.setTitle(R.string.wifi_required_title) |
| .setMessage(getString(R.string.wifi_required_body, sizeString, queueText)) |
| .setPositiveButton(R.string.button_queue_for_wifi, this) |
| .setNegativeButton(R.string.button_cancel_download, this); |
| } else { |
| builder.setTitle(R.string.wifi_recommended_title) |
| .setMessage(getString(R.string.wifi_recommended_body, sizeString, queueText)) |
| .setPositiveButton(R.string.button_start_now, this) |
| .setNegativeButton(R.string.button_queue_for_wifi, this); |
| } |
| mDialog = builder.setOnCancelListener(this).show(); |
| } |
| |
| @Override |
| public void onCancel(DialogInterface dialog) { |
| dialogClosed(); |
| } |
| |
| private void dialogClosed() { |
| mDialog = null; |
| mCurrentUri = null; |
| showNextDialog(); |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| boolean isRequired = |
| mCurrentIntent.getExtras().getBoolean(DownloadInfo.EXTRA_IS_WIFI_REQUIRED); |
| if (isRequired && which == AlertDialog.BUTTON_NEGATIVE) { |
| getContentResolver().delete(mCurrentUri, null, null); |
| } else if (!isRequired && which == AlertDialog.BUTTON_POSITIVE) { |
| ContentValues values = new ContentValues(); |
| values.put(Downloads.Impl.COLUMN_BYPASS_RECOMMENDED_SIZE_LIMIT, true); |
| getContentResolver().update(mCurrentUri, values , null, null); |
| } |
| dialogClosed(); |
| } |
| } |