1/*
2 * Copyright (c) 2008-2009, Motorola, Inc.
3 *
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * - Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 *
12 * - Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 *
16 * - Neither the name of the Motorola, Inc. nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33package com.android.bluetooth.opp;
34
35import com.android.bluetooth.R;
36import com.google.android.collect.Lists;
37
38
39import android.bluetooth.BluetoothAdapter;
40import android.bluetooth.BluetoothDevice;
41import android.net.Uri;
42import android.content.ContentValues;
43import android.content.Context;
44import android.content.ActivityNotFoundException;
45import android.content.Intent;
46import android.content.pm.PackageManager;
47import android.content.pm.ResolveInfo;
48import android.database.Cursor;
49import android.util.Log;
50
51import java.io.File;
52import java.io.IOException;
53import java.util.ArrayList;
54import java.util.List;
55import java.util.concurrent.ConcurrentHashMap;
56
57import android.support.v4.content.FileProvider;
58/**
59 * This class has some utilities for Opp application;
60 */
61public class BluetoothOppUtility {
62    private static final String TAG = "BluetoothOppUtility";
63    private static final boolean D = Constants.DEBUG;
64    private static final boolean V = Constants.VERBOSE;
65
66    private static final ConcurrentHashMap<Uri, BluetoothOppSendFileInfo> sSendFileMap
67            = new ConcurrentHashMap<Uri, BluetoothOppSendFileInfo>();
68
69    public static BluetoothOppTransferInfo queryRecord(Context context, Uri uri) {
70        BluetoothOppTransferInfo info = new BluetoothOppTransferInfo();
71        Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
72        if (cursor != null) {
73            if (cursor.moveToFirst()) {
74                fillRecord(context, cursor, info);
75            }
76            cursor.close();
77        } else {
78            info = null;
79            if (V) Log.v(TAG, "BluetoothOppManager Error: not got data from db for uri:" + uri);
80        }
81        return info;
82    }
83
84    public static void fillRecord(Context context, Cursor cursor, BluetoothOppTransferInfo info) {
85        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
86        info.mID = cursor.getInt(cursor.getColumnIndexOrThrow(BluetoothShare._ID));
87        info.mStatus = cursor.getInt(cursor.getColumnIndexOrThrow(BluetoothShare.STATUS));
88        info.mDirection = cursor.getInt(cursor
89                .getColumnIndexOrThrow(BluetoothShare.DIRECTION));
90        info.mTotalBytes = cursor.getLong(cursor
91                .getColumnIndexOrThrow(BluetoothShare.TOTAL_BYTES));
92        info.mCurrentBytes = cursor.getLong(cursor
93                .getColumnIndexOrThrow(BluetoothShare.CURRENT_BYTES));
94        info.mTimeStamp = cursor.getLong(cursor
95                .getColumnIndexOrThrow(BluetoothShare.TIMESTAMP));
96        info.mDestAddr = cursor.getString(cursor
97                .getColumnIndexOrThrow(BluetoothShare.DESTINATION));
98
99        info.mFileName = cursor.getString(cursor
100                .getColumnIndexOrThrow(BluetoothShare._DATA));
101        if (info.mFileName == null) {
102            info.mFileName = cursor.getString(cursor
103                    .getColumnIndexOrThrow(BluetoothShare.FILENAME_HINT));
104        }
105        if (info.mFileName == null) {
106            info.mFileName = context.getString(R.string.unknown_file);
107        }
108
109        info.mFileUri = cursor.getString(cursor.getColumnIndexOrThrow(BluetoothShare.URI));
110
111        if (info.mFileUri != null) {
112            Uri u = Uri.parse(info.mFileUri);
113            info.mFileType = context.getContentResolver().getType(u);
114        } else {
115            Uri u = Uri.parse(info.mFileName);
116            info.mFileType = context.getContentResolver().getType(u);
117        }
118        if (info.mFileType == null) {
119            info.mFileType = cursor.getString(cursor
120                    .getColumnIndexOrThrow(BluetoothShare.MIMETYPE));
121        }
122
123        BluetoothDevice remoteDevice = adapter.getRemoteDevice(info.mDestAddr);
124        info.mDeviceName =
125                BluetoothOppManager.getInstance(context).getDeviceName(remoteDevice);
126
127        int confirmationType = cursor.getInt(
128                cursor.getColumnIndexOrThrow(BluetoothShare.USER_CONFIRMATION));
129        info.mHandoverInitiated =
130                confirmationType == BluetoothShare.USER_CONFIRMATION_HANDOVER_CONFIRMED;
131
132        if (V) Log.v(TAG, "Get data from db:" + info.mFileName + info.mFileType
133                    + info.mDestAddr);
134    }
135
136    /**
137     * Organize Array list for transfers in one batch
138     */
139    // This function is used when UI show batch transfer. Currently only show single transfer.
140    public static ArrayList<String> queryTransfersInBatch(Context context, Long timeStamp) {
141        ArrayList<String> uris = Lists.newArrayList();
142        final String WHERE = BluetoothShare.TIMESTAMP + " == " + timeStamp;
143
144        Cursor metadataCursor = context.getContentResolver().query(BluetoothShare.CONTENT_URI,
145                new String[] {
146                    BluetoothShare._DATA
147                }, WHERE, null, BluetoothShare._ID);
148
149        if (metadataCursor == null) {
150            return null;
151        }
152
153        for (metadataCursor.moveToFirst(); !metadataCursor.isAfterLast(); metadataCursor
154                .moveToNext()) {
155            String fileName = metadataCursor.getString(0);
156            Uri path = Uri.parse(fileName);
157            // If there is no scheme, then it must be a file
158            if (path.getScheme() == null) {
159                path = Uri.fromFile(new File(fileName));
160            }
161            uris.add(path.toString());
162            if (V) Log.d(TAG, "Uri in this batch: " + path.toString());
163        }
164        metadataCursor.close();
165        return uris;
166    }
167
168    /**
169     * Open the received file with appropriate application, if can not find
170     * application to handle, display error dialog.
171     */
172    public static void openReceivedFile(Context context, String fileName, String mimetype,
173            Long timeStamp, Uri uri) {
174        if (fileName == null || mimetype == null) {
175            Log.e(TAG, "ERROR: Para fileName ==null, or mimetype == null");
176            return;
177        }
178
179        File f = new File(fileName);
180        if (!f.exists()) {
181            Intent in = new Intent(context, BluetoothOppBtErrorActivity.class);
182            in.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
183            in.putExtra("title", context.getString(R.string.not_exist_file));
184            in.putExtra("content", context.getString(R.string.not_exist_file_desc));
185            context.startActivity(in);
186
187            // Due to the file is not existing, delete related info in btopp db
188            // to prevent this file from appearing in live folder
189            if (V) Log.d(TAG, "This uri will be deleted: " + uri);
190            context.getContentResolver().delete(uri, null, null);
191            return;
192        }
193
194        Uri path = FileProvider.getUriForFile(context,
195                       "com.google.android.bluetooth.fileprovider", f);
196        // If there is no scheme, then it must be a file
197        if (path.getScheme() == null) {
198            path = Uri.fromFile(new File(fileName));
199        }
200
201        if (isRecognizedFileType(context, path, mimetype)) {
202            Intent activityIntent = new Intent(Intent.ACTION_VIEW);
203            activityIntent.setDataAndTypeAndNormalize(path, mimetype);
204
205            List<ResolveInfo> resInfoList = context.getPackageManager()
206                .queryIntentActivities(activityIntent,
207                        PackageManager.MATCH_DEFAULT_ONLY);
208
209            // Grant permissions for any app that can handle a file to access it
210            for (ResolveInfo resolveInfo : resInfoList) {
211                String packageName = resolveInfo.activityInfo.packageName;
212                context.grantUriPermission(packageName, path,
213                        Intent.FLAG_GRANT_WRITE_URI_PERMISSION |
214                        Intent.FLAG_GRANT_READ_URI_PERMISSION);
215            }
216
217            activityIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
218            activityIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
219            activityIntent.setFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
220
221            try {
222                if (V) Log.d(TAG, "ACTION_VIEW intent sent out: " + path + " / " + mimetype);
223                context.startActivity(activityIntent);
224            } catch (ActivityNotFoundException ex) {
225                if (V) Log.d(TAG, "no activity for handling ACTION_VIEW intent:  " + mimetype, ex);
226            }
227        } else {
228            Intent in = new Intent(context, BluetoothOppBtErrorActivity.class);
229            in.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
230            in.putExtra("title", context.getString(R.string.unknown_file));
231            in.putExtra("content", context.getString(R.string.unknown_file_desc));
232            context.startActivity(in);
233        }
234    }
235
236    /**
237     * To judge if the file type supported (can be handled by some app) by phone
238     * system.
239     */
240    public static boolean isRecognizedFileType(Context context, Uri fileUri, String mimetype) {
241        boolean ret = true;
242
243        if (D) Log.d(TAG, "RecognizedFileType() fileUri: " + fileUri + " mimetype: " + mimetype);
244
245        Intent mimetypeIntent = new Intent(Intent.ACTION_VIEW);
246        mimetypeIntent.setDataAndTypeAndNormalize(fileUri, mimetype);
247        List<ResolveInfo> list = context.getPackageManager().queryIntentActivities(mimetypeIntent,
248                PackageManager.MATCH_DEFAULT_ONLY);
249
250        if (list.size() == 0) {
251            if (D) Log.d(TAG, "NO application to handle MIME type " + mimetype);
252            ret = false;
253        }
254        return ret;
255    }
256
257    /**
258     * update visibility to Hidden
259     */
260    public static void updateVisibilityToHidden(Context context, Uri uri) {
261        ContentValues updateValues = new ContentValues();
262        updateValues.put(BluetoothShare.VISIBILITY, BluetoothShare.VISIBILITY_HIDDEN);
263        context.getContentResolver().update(uri, updateValues, null, null);
264    }
265
266    /**
267     * Helper function to build the progress text.
268     */
269    public static String formatProgressText(long totalBytes, long currentBytes) {
270        if (totalBytes <= 0) {
271            return "0%";
272        }
273        long progress = currentBytes * 100 / totalBytes;
274        StringBuilder sb = new StringBuilder();
275        sb.append(progress);
276        sb.append('%');
277        return sb.toString();
278    }
279
280    /**
281     * Get status description according to status code.
282     */
283    public static String getStatusDescription(Context context, int statusCode, String deviceName) {
284        String ret;
285        if (statusCode == BluetoothShare.STATUS_PENDING) {
286            ret = context.getString(R.string.status_pending);
287        } else if (statusCode == BluetoothShare.STATUS_RUNNING) {
288            ret = context.getString(R.string.status_running);
289        } else if (statusCode == BluetoothShare.STATUS_SUCCESS) {
290            ret = context.getString(R.string.status_success);
291        } else if (statusCode == BluetoothShare.STATUS_NOT_ACCEPTABLE) {
292            ret = context.getString(R.string.status_not_accept);
293        } else if (statusCode == BluetoothShare.STATUS_FORBIDDEN) {
294            ret = context.getString(R.string.status_forbidden);
295        } else if (statusCode == BluetoothShare.STATUS_CANCELED) {
296            ret = context.getString(R.string.status_canceled);
297        } else if (statusCode == BluetoothShare.STATUS_FILE_ERROR) {
298            ret = context.getString(R.string.status_file_error);
299        } else if (statusCode == BluetoothShare.STATUS_ERROR_NO_SDCARD) {
300            ret = context.getString(R.string.status_no_sd_card);
301        } else if (statusCode == BluetoothShare.STATUS_CONNECTION_ERROR) {
302            ret = context.getString(R.string.status_connection_error);
303        } else if (statusCode == BluetoothShare.STATUS_ERROR_SDCARD_FULL) {
304            ret = context.getString(R.string.bt_sm_2_1, deviceName);
305        } else if ((statusCode == BluetoothShare.STATUS_BAD_REQUEST)
306                || (statusCode == BluetoothShare.STATUS_LENGTH_REQUIRED)
307                || (statusCode == BluetoothShare.STATUS_PRECONDITION_FAILED)
308                || (statusCode == BluetoothShare.STATUS_UNHANDLED_OBEX_CODE)
309                || (statusCode == BluetoothShare.STATUS_OBEX_DATA_ERROR)) {
310            ret = context.getString(R.string.status_protocol_error);
311        } else {
312            ret = context.getString(R.string.status_unknown_error);
313        }
314        return ret;
315    }
316
317    /**
318     * Retry the failed transfer: Will insert a new transfer session to db
319     */
320    public static void retryTransfer(Context context, BluetoothOppTransferInfo transInfo) {
321        ContentValues values = new ContentValues();
322        values.put(BluetoothShare.URI, transInfo.mFileUri);
323        values.put(BluetoothShare.MIMETYPE, transInfo.mFileType);
324        values.put(BluetoothShare.DESTINATION, transInfo.mDestAddr);
325
326        final Uri contentUri = context.getContentResolver().insert(BluetoothShare.CONTENT_URI,
327                values);
328        if (V) Log.v(TAG, "Insert contentUri: " + contentUri + "  to device: " +
329                transInfo.mDeviceName);
330    }
331
332    static void putSendFileInfo(Uri uri, BluetoothOppSendFileInfo sendFileInfo) {
333        if (D) Log.d(TAG, "putSendFileInfo: uri=" + uri + " sendFileInfo=" + sendFileInfo);
334        if (sendFileInfo == BluetoothOppSendFileInfo.SEND_FILE_INFO_ERROR) {
335            Log.e(TAG, "putSendFileInfo: bad sendFileInfo, URI: " + uri);
336        }
337        sSendFileMap.put(uri, sendFileInfo);
338    }
339
340    static BluetoothOppSendFileInfo getSendFileInfo(Uri uri) {
341        if (D) Log.d(TAG, "getSendFileInfo: uri=" + uri);
342        BluetoothOppSendFileInfo info = sSendFileMap.get(uri);
343        return (info != null) ? info : BluetoothOppSendFileInfo.SEND_FILE_INFO_ERROR;
344    }
345
346    static void closeSendFileInfo(Uri uri) {
347        if (D) Log.d(TAG, "closeSendFileInfo: uri=" + uri);
348        BluetoothOppSendFileInfo info = sSendFileMap.remove(uri);
349        if (info != null && info.mInputStream != null) {
350            try {
351                info.mInputStream.close();
352            } catch (IOException ignored) {
353            }
354        }
355    }
356}
357