BluetoothOppUtility.java revision 25f4b74d90ee2100fd09e08c1095b5d0abffedd7 
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        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
71        BluetoothOppTransferInfo info = new BluetoothOppTransferInfo();
72        Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
73        if (cursor != null) {
74            if (cursor.moveToFirst()) {
75                info.mID = cursor.getInt(cursor.getColumnIndexOrThrow(BluetoothShare._ID));
76                info.mStatus = cursor.getInt(cursor.getColumnIndexOrThrow(BluetoothShare.STATUS));
77                info.mDirection = cursor.getInt(cursor
78                        .getColumnIndexOrThrow(BluetoothShare.DIRECTION));
79                info.mTotalBytes = cursor.getLong(cursor
80                        .getColumnIndexOrThrow(BluetoothShare.TOTAL_BYTES));
81                info.mCurrentBytes = cursor.getLong(cursor
82                        .getColumnIndexOrThrow(BluetoothShare.CURRENT_BYTES));
83                info.mTimeStamp = cursor.getLong(cursor
84                        .getColumnIndexOrThrow(BluetoothShare.TIMESTAMP));
85                info.mDestAddr = cursor.getString(cursor
86                        .getColumnIndexOrThrow(BluetoothShare.DESTINATION));
87
88                info.mFileName = cursor.getString(cursor
89                        .getColumnIndexOrThrow(BluetoothShare._DATA));
90                if (info.mFileName == null) {
91                    info.mFileName = cursor.getString(cursor
92                            .getColumnIndexOrThrow(BluetoothShare.FILENAME_HINT));
93                }
94                if (info.mFileName == null) {
95                    info.mFileName = context.getString(R.string.unknown_file);
96                }
97
98                info.mFileUri = cursor.getString(cursor.getColumnIndexOrThrow(BluetoothShare.URI));
99
100                if (info.mFileUri != null) {
101                    Uri u = Uri.parse(info.mFileUri);
102                    info.mFileType = context.getContentResolver().getType(u);
103                } else {
104                    Uri u = Uri.parse(info.mFileName);
105                    info.mFileType = context.getContentResolver().getType(u);
106                }
107                if (info.mFileType == null) {
108                    info.mFileType = cursor.getString(cursor
109                            .getColumnIndexOrThrow(BluetoothShare.MIMETYPE));
110                }
111
112                BluetoothDevice remoteDevice = adapter.getRemoteDevice(info.mDestAddr);
113                info.mDeviceName =
114                        BluetoothOppManager.getInstance(context).getDeviceName(remoteDevice);
115
116                int confirmationType = cursor.getInt(
117                        cursor.getColumnIndexOrThrow(BluetoothShare.USER_CONFIRMATION));
118                info.mHandoverInitiated =
119                        confirmationType == BluetoothShare.USER_CONFIRMATION_HANDOVER_CONFIRMED;
120
121                if (V) Log.v(TAG, "Get data from db:" + info.mFileName + info.mFileType
122                            + info.mDestAddr);
123            }
124            cursor.close();
125        } else {
126            info = null;
127            if (V) Log.v(TAG, "BluetoothOppManager Error: not got data from db for uri:" + uri);
128        }
129        return info;
130    }
131
132    /**
133     * Organize Array list for transfers in one batch
134     */
135    // This function is used when UI show batch transfer. Currently only show single transfer.
136    public static ArrayList<String> queryTransfersInBatch(Context context, Long timeStamp) {
137        ArrayList<String> uris = Lists.newArrayList();
138        final String WHERE = BluetoothShare.TIMESTAMP + " == " + timeStamp;
139
140        Cursor metadataCursor = context.getContentResolver().query(BluetoothShare.CONTENT_URI,
141                new String[] {
142                    BluetoothShare._DATA
143                }, WHERE, null, BluetoothShare._ID);
144
145        if (metadataCursor == null) {
146            return null;
147        }
148
149        for (metadataCursor.moveToFirst(); !metadataCursor.isAfterLast(); metadataCursor
150                .moveToNext()) {
151            String fileName = metadataCursor.getString(0);
152            Uri path = Uri.parse(fileName);
153            // If there is no scheme, then it must be a file
154            if (path.getScheme() == null) {
155                path = Uri.fromFile(new File(fileName));
156            }
157            uris.add(path.toString());
158            if (V) Log.d(TAG, "Uri in this batch: " + path.toString());
159        }
160        metadataCursor.close();
161        return uris;
162    }
163
164    /**
165     * Open the received file with appropriate application, if can not find
166     * application to handle, display error dialog.
167     */
168    public static void openReceivedFile(Context context, String fileName, String mimetype,
169            Long timeStamp, Uri uri) {
170        if (fileName == null || mimetype == null) {
171            Log.e(TAG, "ERROR: Para fileName ==null, or mimetype == null");
172            return;
173        }
174
175        File f = new File(fileName);
176        if (!f.exists()) {
177            Intent in = new Intent(context, BluetoothOppBtErrorActivity.class);
178            in.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
179            in.putExtra("title", context.getString(R.string.not_exist_file));
180            in.putExtra("content", context.getString(R.string.not_exist_file_desc));
181            context.startActivity(in);
182
183            // Due to the file is not existing, delete related info in btopp db
184            // to prevent this file from appearing in live folder
185            if (V) Log.d(TAG, "This uri will be deleted: " + uri);
186            context.getContentResolver().delete(uri, null, null);
187            return;
188        }
189
190        Uri path = FileProvider.getUriForFile(context,
191                       "com.google.android.bluetooth.fileprovider", f);
192        // If there is no scheme, then it must be a file
193        if (path.getScheme() == null) {
194            path = Uri.fromFile(new File(fileName));
195        }
196
197        if (isRecognizedFileType(context, path, mimetype)) {
198            Intent activityIntent = new Intent(Intent.ACTION_VIEW);
199            activityIntent.setDataAndTypeAndNormalize(path, mimetype);
200
201            List<ResolveInfo> resInfoList = context.getPackageManager()
202                .queryIntentActivities(activityIntent,
203                        PackageManager.MATCH_DEFAULT_ONLY);
204
205            // Grant permissions for any app that can handle a file to access it
206            for (ResolveInfo resolveInfo : resInfoList) {
207                String packageName = resolveInfo.activityInfo.packageName;
208                context.grantUriPermission(packageName, path,
209                        Intent.FLAG_GRANT_WRITE_URI_PERMISSION |
210                        Intent.FLAG_GRANT_READ_URI_PERMISSION);
211            }
212
213            activityIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
214            activityIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
215            activityIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
216
217            try {
218                if (V) Log.d(TAG, "ACTION_VIEW intent sent out: " + path + " / " + mimetype);
219                context.startActivity(activityIntent);
220            } catch (ActivityNotFoundException ex) {
221                if (V) Log.d(TAG, "no activity for handling ACTION_VIEW intent:  " + mimetype, ex);
222            }
223        } else {
224            Intent in = new Intent(context, BluetoothOppBtErrorActivity.class);
225            in.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
226            in.putExtra("title", context.getString(R.string.unknown_file));
227            in.putExtra("content", context.getString(R.string.unknown_file_desc));
228            context.startActivity(in);
229        }
230    }
231
232    /**
233     * To judge if the file type supported (can be handled by some app) by phone
234     * system.
235     */
236    public static boolean isRecognizedFileType(Context context, Uri fileUri, String mimetype) {
237        boolean ret = true;
238
239        if (D) Log.d(TAG, "RecognizedFileType() fileUri: " + fileUri + " mimetype: " + mimetype);
240
241        Intent mimetypeIntent = new Intent(Intent.ACTION_VIEW);
242        mimetypeIntent.setDataAndTypeAndNormalize(fileUri, mimetype);
243        List<ResolveInfo> list = context.getPackageManager().queryIntentActivities(mimetypeIntent,
244                PackageManager.MATCH_DEFAULT_ONLY);
245
246        if (list.size() == 0) {
247            if (D) Log.d(TAG, "NO application to handle MIME type " + mimetype);
248            ret = false;
249        }
250        return ret;
251    }
252
253    /**
254     * update visibility to Hidden
255     */
256    public static void updateVisibilityToHidden(Context context, Uri uri) {
257        ContentValues updateValues = new ContentValues();
258        updateValues.put(BluetoothShare.VISIBILITY, BluetoothShare.VISIBILITY_HIDDEN);
259        context.getContentResolver().update(uri, updateValues, null, null);
260    }
261
262    /**
263     * Helper function to build the progress text.
264     */
265    public static String formatProgressText(long totalBytes, long currentBytes) {
266        if (totalBytes <= 0) {
267            return "0%";
268        }
269        long progress = currentBytes * 100 / totalBytes;
270        StringBuilder sb = new StringBuilder();
271        sb.append(progress);
272        sb.append('%');
273        return sb.toString();
274    }
275
276    /**
277     * Get status description according to status code.
278     */
279    public static String getStatusDescription(Context context, int statusCode, String deviceName) {
280        String ret;
281        if (statusCode == BluetoothShare.STATUS_PENDING) {
282            ret = context.getString(R.string.status_pending);
283        } else if (statusCode == BluetoothShare.STATUS_RUNNING) {
284            ret = context.getString(R.string.status_running);
285        } else if (statusCode == BluetoothShare.STATUS_SUCCESS) {
286            ret = context.getString(R.string.status_success);
287        } else if (statusCode == BluetoothShare.STATUS_NOT_ACCEPTABLE) {
288            ret = context.getString(R.string.status_not_accept);
289        } else if (statusCode == BluetoothShare.STATUS_FORBIDDEN) {
290            ret = context.getString(R.string.status_forbidden);
291        } else if (statusCode == BluetoothShare.STATUS_CANCELED) {
292            ret = context.getString(R.string.status_canceled);
293        } else if (statusCode == BluetoothShare.STATUS_FILE_ERROR) {
294            ret = context.getString(R.string.status_file_error);
295        } else if (statusCode == BluetoothShare.STATUS_ERROR_NO_SDCARD) {
296            ret = context.getString(R.string.status_no_sd_card);
297        } else if (statusCode == BluetoothShare.STATUS_CONNECTION_ERROR) {
298            ret = context.getString(R.string.status_connection_error);
299        } else if (statusCode == BluetoothShare.STATUS_ERROR_SDCARD_FULL) {
300            ret = context.getString(R.string.bt_sm_2_1, deviceName);
301        } else if ((statusCode == BluetoothShare.STATUS_BAD_REQUEST)
302                || (statusCode == BluetoothShare.STATUS_LENGTH_REQUIRED)
303                || (statusCode == BluetoothShare.STATUS_PRECONDITION_FAILED)
304                || (statusCode == BluetoothShare.STATUS_UNHANDLED_OBEX_CODE)
305                || (statusCode == BluetoothShare.STATUS_OBEX_DATA_ERROR)) {
306            ret = context.getString(R.string.status_protocol_error);
307        } else {
308            ret = context.getString(R.string.status_unknown_error);
309        }
310        return ret;
311    }
312
313    /**
314     * Retry the failed transfer: Will insert a new transfer session to db
315     */
316    public static void retryTransfer(Context context, BluetoothOppTransferInfo transInfo) {
317        ContentValues values = new ContentValues();
318        values.put(BluetoothShare.URI, transInfo.mFileUri);
319        values.put(BluetoothShare.MIMETYPE, transInfo.mFileType);
320        values.put(BluetoothShare.DESTINATION, transInfo.mDestAddr);
321
322        final Uri contentUri = context.getContentResolver().insert(BluetoothShare.CONTENT_URI,
323                values);
324        if (V) Log.v(TAG, "Insert contentUri: " + contentUri + "  to device: " +
325                transInfo.mDeviceName);
326    }
327
328    static void putSendFileInfo(Uri uri, BluetoothOppSendFileInfo sendFileInfo) {
329        if (D) Log.d(TAG, "putSendFileInfo: uri=" + uri + " sendFileInfo=" + sendFileInfo);
330        sSendFileMap.put(uri, sendFileInfo);
331    }
332
333    static BluetoothOppSendFileInfo getSendFileInfo(Uri uri) {
334        if (D) Log.d(TAG, "getSendFileInfo: uri=" + uri);
335        BluetoothOppSendFileInfo info = sSendFileMap.get(uri);
336        return (info != null) ? info : BluetoothOppSendFileInfo.SEND_FILE_INFO_ERROR;
337    }
338
339    static void closeSendFileInfo(Uri uri) {
340        if (D) Log.d(TAG, "closeSendFileInfo: uri=" + uri);
341        BluetoothOppSendFileInfo info = sSendFileMap.remove(uri);
342        if (info != null && info.mInputStream != null) {
343            try {
344                info.mInputStream.close();
345            } catch (IOException ignored) {
346            }
347        }
348    }
349}
350