BluetoothOppUtility.java revision ca2a13ee25488f913766081e42daa2dce85d75aa 
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
57/**
58 * This class has some utilities for Opp application;
59 */
60public class BluetoothOppUtility {
61    private static final String TAG = "BluetoothOppUtility";
62    private static final boolean D = Constants.DEBUG;
63    private static final boolean V = Constants.VERBOSE;
64
65    private static final ConcurrentHashMap<Uri, BluetoothOppSendFileInfo> sSendFileMap
66            = new ConcurrentHashMap<Uri, BluetoothOppSendFileInfo>();
67
68    public static BluetoothOppTransferInfo queryRecord(Context context, Uri uri) {
69        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
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                info.mID = cursor.getInt(cursor.getColumnIndexOrThrow(BluetoothShare._ID));
75                info.mStatus = cursor.getInt(cursor.getColumnIndexOrThrow(BluetoothShare.STATUS));
76                info.mDirection = cursor.getInt(cursor
77                        .getColumnIndexOrThrow(BluetoothShare.DIRECTION));
78                info.mTotalBytes = cursor.getInt(cursor
79                        .getColumnIndexOrThrow(BluetoothShare.TOTAL_BYTES));
80                info.mCurrentBytes = cursor.getInt(cursor
81                        .getColumnIndexOrThrow(BluetoothShare.CURRENT_BYTES));
82                info.mTimeStamp = cursor.getLong(cursor
83                        .getColumnIndexOrThrow(BluetoothShare.TIMESTAMP));
84                info.mDestAddr = cursor.getString(cursor
85                        .getColumnIndexOrThrow(BluetoothShare.DESTINATION));
86
87                info.mFileName = cursor.getString(cursor
88                        .getColumnIndexOrThrow(BluetoothShare._DATA));
89                if (info.mFileName == null) {
90                    info.mFileName = cursor.getString(cursor
91                            .getColumnIndexOrThrow(BluetoothShare.FILENAME_HINT));
92                }
93                if (info.mFileName == null) {
94                    info.mFileName = context.getString(R.string.unknown_file);
95                }
96
97                info.mFileUri = cursor.getString(cursor.getColumnIndexOrThrow(BluetoothShare.URI));
98
99                if (info.mFileUri != null) {
100                    Uri u = originalUri(Uri.parse(info.mFileUri));
101                    info.mFileType = context.getContentResolver().getType(u);
102                } else {
103                    Uri u = Uri.parse(info.mFileName);
104                    info.mFileType = context.getContentResolver().getType(u);
105                }
106                if (info.mFileType == null) {
107                    info.mFileType = cursor.getString(cursor
108                            .getColumnIndexOrThrow(BluetoothShare.MIMETYPE));
109                }
110
111                BluetoothDevice remoteDevice = adapter.getRemoteDevice(info.mDestAddr);
112                info.mDeviceName =
113                        BluetoothOppManager.getInstance(context).getDeviceName(remoteDevice);
114
115                int confirmationType = cursor.getInt(
116                        cursor.getColumnIndexOrThrow(BluetoothShare.USER_CONFIRMATION));
117                info.mHandoverInitiated =
118                        confirmationType == BluetoothShare.USER_CONFIRMATION_HANDOVER_CONFIRMED;
119
120                if (V) Log.v(TAG, "Get data from db:" + info.mFileName + info.mFileType
121                            + info.mDestAddr);
122            }
123            cursor.close();
124        } else {
125            info = null;
126            if (V) Log.v(TAG, "BluetoothOppManager Error: not got data from db for uri:" + uri);
127        }
128        return info;
129    }
130
131    /**
132     * Organize Array list for transfers in one batch
133     */
134    // This function is used when UI show batch transfer. Currently only show single transfer.
135    public static ArrayList<String> queryTransfersInBatch(Context context, Long timeStamp) {
136        ArrayList<String> uris = Lists.newArrayList();
137        final String WHERE = BluetoothShare.TIMESTAMP + " == " + timeStamp;
138
139        Cursor metadataCursor = context.getContentResolver().query(BluetoothShare.CONTENT_URI,
140                new String[] {
141                    BluetoothShare._DATA
142                }, WHERE, null, BluetoothShare._ID);
143
144        if (metadataCursor == null) {
145            return null;
146        }
147
148        for (metadataCursor.moveToFirst(); !metadataCursor.isAfterLast(); metadataCursor
149                .moveToNext()) {
150            String fileName = metadataCursor.getString(0);
151            Uri path = Uri.parse(fileName);
152            // If there is no scheme, then it must be a file
153            if (path.getScheme() == null) {
154                path = Uri.fromFile(new File(fileName));
155            }
156            uris.add(path.toString());
157            if (V) Log.d(TAG, "Uri in this batch: " + path.toString());
158        }
159        metadataCursor.close();
160        return uris;
161    }
162
163    /**
164     * Open the received file with appropriate application, if can not find
165     * application to handle, display error dialog.
166     */
167    public static void openReceivedFile(Context context, String fileName, String mimetype,
168            Long timeStamp, Uri uri) {
169        if (fileName == null || mimetype == null) {
170            Log.e(TAG, "ERROR: Para fileName ==null, or mimetype == null");
171            return;
172        }
173
174        File f = new File(fileName);
175        if (!f.exists()) {
176            Intent in = new Intent(context, BluetoothOppBtErrorActivity.class);
177            in.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
178            in.putExtra("title", context.getString(R.string.not_exist_file));
179            in.putExtra("content", context.getString(R.string.not_exist_file_desc));
180            context.startActivity(in);
181
182            // Due to the file is not existing, delete related info in btopp db
183            // to prevent this file from appearing in live folder
184            if (V) Log.d(TAG, "This uri will be deleted: " + uri);
185            context.getContentResolver().delete(uri, null, null);
186            return;
187        }
188
189        Uri path = Uri.parse(fileName);
190        // If there is no scheme, then it must be a file
191        if (path.getScheme() == null) {
192            path = Uri.fromFile(new File(fileName));
193        }
194
195        if (isRecognizedFileType(context, path, mimetype)) {
196            Intent activityIntent = new Intent(Intent.ACTION_VIEW);
197            activityIntent.setDataAndTypeAndNormalize(path, mimetype);
198
199            activityIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
200            try {
201                if (V) Log.d(TAG, "ACTION_VIEW intent sent out: " + path + " / " + mimetype);
202                context.startActivity(activityIntent);
203            } catch (ActivityNotFoundException ex) {
204                if (V) Log.d(TAG, "no activity for handling ACTION_VIEW intent:  " + mimetype, ex);
205            }
206        } else {
207            Intent in = new Intent(context, BluetoothOppBtErrorActivity.class);
208            in.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
209            in.putExtra("title", context.getString(R.string.unknown_file));
210            in.putExtra("content", context.getString(R.string.unknown_file_desc));
211            context.startActivity(in);
212        }
213    }
214
215    /**
216     * To judge if the file type supported (can be handled by some app) by phone
217     * system.
218     */
219    public static boolean isRecognizedFileType(Context context, Uri fileUri, String mimetype) {
220        boolean ret = true;
221
222        if (D) Log.d(TAG, "RecognizedFileType() fileUri: " + fileUri + " mimetype: " + mimetype);
223
224        Intent mimetypeIntent = new Intent(Intent.ACTION_VIEW);
225        mimetypeIntent.setDataAndTypeAndNormalize(fileUri, mimetype);
226        List<ResolveInfo> list = context.getPackageManager().queryIntentActivities(mimetypeIntent,
227                PackageManager.MATCH_DEFAULT_ONLY);
228
229        if (list.size() == 0) {
230            if (D) Log.d(TAG, "NO application to handle MIME type " + mimetype);
231            ret = false;
232        }
233        return ret;
234    }
235
236    /**
237     * update visibility to Hidden
238     */
239    public static void updateVisibilityToHidden(Context context, Uri uri) {
240        ContentValues updateValues = new ContentValues();
241        updateValues.put(BluetoothShare.VISIBILITY, BluetoothShare.VISIBILITY_HIDDEN);
242        context.getContentResolver().update(uri, updateValues, null, null);
243    }
244
245    /**
246     * Helper function to build the progress text.
247     */
248    public static String formatProgressText(long totalBytes, long currentBytes) {
249        if (totalBytes <= 0) {
250            return "0%";
251        }
252        long progress = currentBytes * 100 / totalBytes;
253        StringBuilder sb = new StringBuilder();
254        sb.append(progress);
255        sb.append('%');
256        return sb.toString();
257    }
258
259    /**
260     * Get status description according to status code.
261     */
262    public static String getStatusDescription(Context context, int statusCode, String deviceName) {
263        String ret;
264        if (statusCode == BluetoothShare.STATUS_PENDING) {
265            ret = context.getString(R.string.status_pending);
266        } else if (statusCode == BluetoothShare.STATUS_RUNNING) {
267            ret = context.getString(R.string.status_running);
268        } else if (statusCode == BluetoothShare.STATUS_SUCCESS) {
269            ret = context.getString(R.string.status_success);
270        } else if (statusCode == BluetoothShare.STATUS_NOT_ACCEPTABLE) {
271            ret = context.getString(R.string.status_not_accept);
272        } else if (statusCode == BluetoothShare.STATUS_FORBIDDEN) {
273            ret = context.getString(R.string.status_forbidden);
274        } else if (statusCode == BluetoothShare.STATUS_CANCELED) {
275            ret = context.getString(R.string.status_canceled);
276        } else if (statusCode == BluetoothShare.STATUS_FILE_ERROR) {
277            ret = context.getString(R.string.status_file_error);
278        } else if (statusCode == BluetoothShare.STATUS_ERROR_NO_SDCARD) {
279            ret = context.getString(R.string.status_no_sd_card);
280        } else if (statusCode == BluetoothShare.STATUS_CONNECTION_ERROR) {
281            ret = context.getString(R.string.status_connection_error);
282        } else if (statusCode == BluetoothShare.STATUS_ERROR_SDCARD_FULL) {
283            ret = context.getString(R.string.bt_sm_2_1, deviceName);
284        } else if ((statusCode == BluetoothShare.STATUS_BAD_REQUEST)
285                || (statusCode == BluetoothShare.STATUS_LENGTH_REQUIRED)
286                || (statusCode == BluetoothShare.STATUS_PRECONDITION_FAILED)
287                || (statusCode == BluetoothShare.STATUS_UNHANDLED_OBEX_CODE)
288                || (statusCode == BluetoothShare.STATUS_OBEX_DATA_ERROR)) {
289            ret = context.getString(R.string.status_protocol_error);
290        } else {
291            ret = context.getString(R.string.status_unknown_error);
292        }
293        return ret;
294    }
295
296    /**
297     * Retry the failed transfer: Will insert a new transfer session to db
298     */
299    public static void retryTransfer(Context context, BluetoothOppTransferInfo transInfo) {
300        ContentValues values = new ContentValues();
301        values.put(BluetoothShare.URI, transInfo.mFileUri);
302        values.put(BluetoothShare.MIMETYPE, transInfo.mFileType);
303        values.put(BluetoothShare.DESTINATION, transInfo.mDestAddr);
304
305        final Uri contentUri = context.getContentResolver().insert(BluetoothShare.CONTENT_URI,
306                values);
307        if (V) Log.v(TAG, "Insert contentUri: " + contentUri + "  to device: " +
308                transInfo.mDeviceName);
309    }
310
311    static Uri originalUri(Uri uri) {
312        String mUri = uri.toString();
313        int atIndex = mUri.lastIndexOf("@");
314        if (atIndex != -1) {
315            mUri = mUri.substring(0, atIndex);
316            uri = Uri.parse(mUri);
317        }
318        if (V) Log.v(TAG, "originalUri: " + uri);
319        return uri;
320    }
321
322    static Uri generateUri(Uri uri, BluetoothOppSendFileInfo sendFileInfo) {
323        String fileInfo = sendFileInfo.toString();
324        int atIndex = fileInfo.lastIndexOf("@");
325        fileInfo = fileInfo.substring(atIndex);
326        uri = Uri.parse(uri + fileInfo);
327        if (V) Log.v(TAG, "generateUri: " + uri);
328        return uri;
329    }
330
331    static void putSendFileInfo(Uri uri, BluetoothOppSendFileInfo sendFileInfo) {
332        if (D) Log.d(TAG, "putSendFileInfo: uri=" + uri + " sendFileInfo=" + sendFileInfo);
333        sSendFileMap.put(uri, sendFileInfo);
334    }
335
336    static BluetoothOppSendFileInfo getSendFileInfo(Uri uri) {
337        if (D) Log.d(TAG, "getSendFileInfo: uri=" + uri);
338        BluetoothOppSendFileInfo info = sSendFileMap.get(uri);
339        return (info != null) ? info : BluetoothOppSendFileInfo.SEND_FILE_INFO_ERROR;
340    }
341
342    static void closeSendFileInfo(Uri uri) {
343        if (D) Log.d(TAG, "closeSendFileInfo: uri=" + uri);
344        BluetoothOppSendFileInfo info = sSendFileMap.remove(uri);
345        if (info != null && info.mInputStream != null) {
346            try {
347                info.mInputStream.close();
348            } catch (IOException ignored) {
349            }
350        }
351    }
352}
353