summaryrefslogtreecommitdiffstats
path: root/src/com/android/bluetooth/opp/BluetoothOppLauncherActivity.java
blob: d358b8c227eae1cddaa3e32a0e47e0a9cd6bb8f9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
/*
 * Copyright (c) 2008-2009, Motorola, Inc.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * - Neither the name of the Motorola, Inc. nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package com.android.bluetooth.opp;

import com.android.bluetooth.R;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;

import android.app.Activity;
import android.bluetooth.BluetoothDevicePicker;
import android.content.Intent;
import android.content.ContentResolver;
import android.content.Context;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.provider.Settings;

/**
 * This class is designed to act as the entry point of handling the share intent
 * via BT from other APPs. and also make "Bluetooth" available in sharing method
 * selection dialog.
 */
public class BluetoothOppLauncherActivity extends Activity {
    private static final String TAG = "BluetoothLauncherActivity";
    private static final boolean D = Constants.DEBUG;
    private static final boolean V = Constants.VERBOSE;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        Intent intent = getIntent();
        String action = intent.getAction();

        if (action.equals(Intent.ACTION_SEND) || action.equals(Intent.ACTION_SEND_MULTIPLE)) {
            /*
             * Other application is trying to share a file via Bluetooth,
             * probably Pictures, videos, or vCards. The Intent should contain
             * an EXTRA_STREAM with the data to attach.
             */
            if (action.equals(Intent.ACTION_SEND)) {
                // TODO: handle type == null case
                String type = intent.getType();
                Uri stream = (Uri)intent.getParcelableExtra(Intent.EXTRA_STREAM);
                CharSequence extra_text = intent.getCharSequenceExtra(Intent.EXTRA_TEXT);
                // If we get ACTION_SEND intent with EXTRA_STREAM, we'll use the
                // uri data;
                // If we get ACTION_SEND intent without EXTRA_STREAM, but with
                // EXTRA_TEXT, we will try send this TEXT out; Currently in
                // Browser, share one link goes to this case;
                if (stream != null && type != null) {
                    if (V) Log.v(TAG, "Get ACTION_SEND intent: Uri = " + stream + "; mimetype = "
                                + type);
                    // Save type/stream, will be used when adding transfer
                    // session to DB.
                    BluetoothOppManager.getInstance(this).saveSendingFileInfo(type,
                            stream.toString());
                } else if (extra_text != null && type != null) {
                    if (V) Log.v(TAG, "Get ACTION_SEND intent with Extra_text = "
                                + extra_text.toString() + "; mimetype = " + type);
                    Uri fileUri = creatFileForSharedContent(this, extra_text);

                    if (fileUri != null) {
                        BluetoothOppManager.getInstance(this).saveSendingFileInfo(type,
                                fileUri.toString());
                    }
                } else {
                    Log.e(TAG, "type is null; or sending file URI is null");
                    finish();
                    return;
                }
            } else if (action.equals(Intent.ACTION_SEND_MULTIPLE)) {
                ArrayList<Uri> uris = new ArrayList<Uri>();
                String mimeType = intent.getType();
                uris = intent.getParcelableArrayListExtra(Intent.EXTRA_STREAM);
                if (mimeType != null && uris != null) {
                    if (V) Log.v(TAG, "Get ACTION_SHARE_MULTIPLE intent: uris " + uris + "\n Type= "
                                + mimeType);
                    BluetoothOppManager.getInstance(this).saveSendingFileInfo(mimeType, uris);
                } else {
                    Log.e(TAG, "type is null; or sending files URIs are null");
                    finish();
                    return;
                }
            }

            if (!isBluetoothAllowed()) {
                Intent in = new Intent(this, BluetoothOppBtErrorActivity.class);
                in.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                in.putExtra("title", this.getString(R.string.airplane_error_title));
                in.putExtra("content", this.getString(R.string.airplane_error_msg));
                this.startActivity(in);

                finish();
                return;
            }

            // TODO: In the future, we may send intent to DevicePickerActivity
            // directly,
            // and let DevicePickerActivity to handle Bluetooth Enable.
            if (!BluetoothOppManager.getInstance(this).isEnabled()) {
                if (V) Log.v(TAG, "Prepare Enable BT!! ");
                Intent in = new Intent(this, BluetoothOppBtEnableActivity.class);
                in.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                this.startActivity(in);
            } else {
                if (V) Log.v(TAG, "BT already enabled!! ");
                Intent in1 = new Intent(BluetoothDevicePicker.ACTION_LAUNCH);
                in1.setFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
                in1.putExtra(BluetoothDevicePicker.EXTRA_NEED_AUTH, false);
                in1.putExtra(BluetoothDevicePicker.EXTRA_FILTER_TYPE,
                        BluetoothDevicePicker.FILTER_TYPE_TRANSFER);
                in1.putExtra(BluetoothDevicePicker.EXTRA_LAUNCH_PACKAGE,
                        Constants.THIS_PACKAGE_NAME);
                in1.putExtra(BluetoothDevicePicker.EXTRA_LAUNCH_CLASS,
                        BluetoothOppReceiver.class.getName());

                this.startActivity(in1);
            }
        } else if (action.equals(Constants.ACTION_OPEN)) {
            Uri uri = getIntent().getData();
            if (V) Log.v(TAG, "Get ACTION_OPEN intent: Uri = " + uri);

            Intent intent1 = new Intent();
            intent1.setAction(action);
            intent1.setClassName(Constants.THIS_PACKAGE_NAME, BluetoothOppReceiver.class.getName());
            intent1.setData(uri);
            this.sendBroadcast(intent1);
        }
        finish();
    }

    /* Returns true if Bluetooth is allowed given current airplane mode settings. */
    private final boolean isBluetoothAllowed() {
        final ContentResolver resolver = this.getContentResolver();

        // Check if airplane mode is on
        final boolean isAirplaneModeOn = Settings.System.getInt(resolver,
                Settings.System.AIRPLANE_MODE_ON, 0) == 1;
        if (!isAirplaneModeOn) {
            return true;
        }

        // Check if airplane mode matters
        final String airplaneModeRadios = Settings.System.getString(resolver,
                Settings.System.AIRPLANE_MODE_RADIOS);
        final boolean isAirplaneSensitive = airplaneModeRadios == null ? true :
                airplaneModeRadios.contains(Settings.System.RADIO_BLUETOOTH);
        if (!isAirplaneSensitive) {
            return true;
        }

        // Check if Bluetooth may be enabled in airplane mode
        final String airplaneModeToggleableRadios = Settings.System.getString(resolver,
                Settings.System.AIRPLANE_MODE_TOGGLEABLE_RADIOS);
        final boolean isAirplaneToggleable = airplaneModeToggleableRadios == null ? false :
                airplaneModeToggleableRadios.contains(Settings.System.RADIO_BLUETOOTH);
        if (isAirplaneToggleable) {
            return true;
        }

        // If we get here we're not allowed to use Bluetooth right now
        return false;
    }

    private Uri creatFileForSharedContent(Context context, CharSequence shareContent) {
        if (shareContent == null) {
            return null;
        }

        Uri fileUri = null;
        FileOutputStream outStream = null;
        try {
            String fileName = getString(R.string.bluetooth_share_file_name) + ".html";
            context.deleteFile(fileName);

            String uri = shareContent.toString();
            String content = "<html><head><meta http-equiv=\"Content-Type\" content=\"text/html;"
                + " charset=UTF-8\"/></head><body>" + "<a href=\"" + uri + "\">" + uri + "</a></p>"
                + "</body></html>";
            byte[] byteBuff = content.getBytes();

            outStream = context.openFileOutput(fileName, Context.MODE_PRIVATE);
            if (outStream != null) {
                outStream.write(byteBuff, 0, byteBuff.length);
                fileUri = Uri.fromFile(new File(context.getFilesDir(), fileName));
                if (fileUri != null) {
                    if (D) Log.d(TAG, "Created one file for shared content: "
                            + fileUri.toString());
                }
            }
        } catch (FileNotFoundException e) {
            Log.e(TAG, "FileNotFoundException: " + e.toString());
            e.printStackTrace();
        } catch (IOException e) {
            Log.e(TAG, "IOException: " + e.toString());
        } catch (Exception e) {
            Log.e(TAG, "Exception: " + e.toString());
        } finally {
            try {
                if (outStream != null) {
                    outStream.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return fileUri;
    }
}