summaryrefslogtreecommitdiffstats
path: root/src/com/android/settings/bluetooth/DeviceProfilesSettings.java
blob: e563e64452832b5dbfdeec0bf0277b248fe02e0d (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
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
/*
 * Copyright (C) 2011 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.settings.bluetooth;

import android.app.AlertDialog;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothProfile;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.EditTextPreference;
import android.preference.Preference;
import android.preference.PreferenceGroup;
import android.text.Html;
import android.text.TextUtils;
import android.util.Log;
import android.widget.EditText;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settingslib.bluetooth.CachedBluetoothDevice;
import com.android.settingslib.bluetooth.CachedBluetoothDeviceManager;
import com.android.settingslib.bluetooth.LocalBluetoothManager;
import com.android.settingslib.bluetooth.LocalBluetoothProfile;
import com.android.settingslib.bluetooth.LocalBluetoothProfileManager;
import com.android.settingslib.bluetooth.MapProfile;
import com.android.settingslib.bluetooth.PbapServerProfile;

import java.util.HashMap;

/**
 * This preference fragment presents the user with all of the profiles
 * for a particular device, and allows them to be individually connected
 * (or disconnected).
 */
public final class DeviceProfilesSettings extends SettingsPreferenceFragment
        implements CachedBluetoothDevice.Callback, Preference.OnPreferenceChangeListener {
    private static final String TAG = "DeviceProfilesSettings";

    private static final String KEY_PROFILE_CONTAINER = "profile_container";
    private static final String KEY_UNPAIR = "unpair";
    private static final String KEY_PBAP_SERVER = "PBAP Server";

    private CachedBluetoothDevice mCachedDevice;
    private LocalBluetoothManager mManager;
    private LocalBluetoothProfileManager mProfileManager;

    private PreferenceGroup mProfileContainer;
    private EditTextPreference mDeviceNamePref;

    private final HashMap<LocalBluetoothProfile, CheckBoxPreference> mAutoConnectPrefs
            = new HashMap<LocalBluetoothProfile, CheckBoxPreference>();

    private AlertDialog mDisconnectDialog;
    private boolean mProfileGroupIsRemoved;

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

        addPreferencesFromResource(R.xml.bluetooth_device_advanced);
        getPreferenceScreen().setOrderingAsAdded(false);
        mProfileContainer = (PreferenceGroup) findPreference(KEY_PROFILE_CONTAINER);
        mProfileContainer.setLayoutResource(R.layout.bluetooth_preference_category);

        mManager = Utils.getLocalBtManager(getActivity());
        CachedBluetoothDeviceManager deviceManager =
                mManager.getCachedDeviceManager();
        mProfileManager = mManager.getProfileManager();
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        if (mDisconnectDialog != null) {
            mDisconnectDialog.dismiss();
            mDisconnectDialog = null;
        }
        if (mCachedDevice != null) {
            mCachedDevice.unregisterCallback(this);
        }
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
    }

    @Override
    public void onResume() {
        super.onResume();

        mManager.setForegroundActivity(getActivity());
        if (mCachedDevice != null) {
            mCachedDevice.registerCallback(this);
            if (mCachedDevice.getBondState() == BluetoothDevice.BOND_NONE) {
                finish();
                return;
            }
            refresh();
        }
    }

    @Override
    public void onPause() {
        super.onPause();

        if (mCachedDevice != null) {
            mCachedDevice.unregisterCallback(this);
        }

        mManager.setForegroundActivity(null);
    }

    public void setDevice(CachedBluetoothDevice cachedDevice) {
        mCachedDevice = cachedDevice;

        if (isResumed()) {
            mCachedDevice.registerCallback(this);
            addPreferencesForProfiles();
            refresh();
        }
    }

    private void addPreferencesForProfiles() {
        mProfileContainer.removeAll();
        for (LocalBluetoothProfile profile : mCachedDevice.getConnectableProfiles()) {
            Preference pref = createProfilePreference(profile);
            mProfileContainer.addPreference(pref);
        }

        final int pbapPermission = mCachedDevice.getPhonebookPermissionChoice();
        // Only provide PBAP cabability if the client device has requested PBAP.
        if (pbapPermission != CachedBluetoothDevice.ACCESS_UNKNOWN) {
            final PbapServerProfile psp = mManager.getProfileManager().getPbapProfile();
            CheckBoxPreference pbapPref = createProfilePreference(psp);
            mProfileContainer.addPreference(pbapPref);
        }

        final MapProfile mapProfile = mManager.getProfileManager().getMapProfile();
        final int mapPermission = mCachedDevice.getMessagePermissionChoice();
        if (mapPermission != CachedBluetoothDevice.ACCESS_UNKNOWN) {
            CheckBoxPreference mapPreference = createProfilePreference(mapProfile);
            mProfileContainer.addPreference(mapPreference);
        }

        showOrHideProfileGroup();
    }

    private void showOrHideProfileGroup() {
        int numProfiles = mProfileContainer.getPreferenceCount();
        if (!mProfileGroupIsRemoved && numProfiles == 0) {
            getPreferenceScreen().removePreference(mProfileContainer);
            mProfileGroupIsRemoved = true;
        } else if (mProfileGroupIsRemoved && numProfiles != 0) {
            getPreferenceScreen().addPreference(mProfileContainer);
            mProfileGroupIsRemoved = false;
        }
    }

    /**
     * Creates a checkbox preference for the particular profile. The key will be
     * the profile's name.
     *
     * @param profile The profile for which the preference controls.
     * @return A preference that allows the user to choose whether this profile
     *         will be connected to.
     */
    private CheckBoxPreference createProfilePreference(LocalBluetoothProfile profile) {
        CheckBoxPreference pref = new CheckBoxPreference(getActivity());
        pref.setLayoutResource(R.layout.preference_start_widget);
        pref.setKey(profile.toString());
        pref.setTitle(profile.getNameResource(mCachedDevice.getDevice()));
        pref.setPersistent(false);
        pref.setOrder(getProfilePreferenceIndex(profile.getOrdinal()));
        pref.setOnPreferenceChangeListener(this);

        int iconResource = profile.getDrawableResource(mCachedDevice.getBtClass());
        if (iconResource != 0) {
            pref.setIcon(getActivity().getDrawable(iconResource));
        }

        refreshProfilePreference(pref, profile);

        return pref;
    }

    public boolean onPreferenceChange(Preference preference, Object newValue) {
        if (preference == mDeviceNamePref) {
            mCachedDevice.setName((String) newValue);
        } else if (preference instanceof CheckBoxPreference) {
            LocalBluetoothProfile prof = getProfileOf(preference);
            onProfileClicked(prof, (CheckBoxPreference) preference);
            return false;   // checkbox will update from onDeviceAttributesChanged() callback
        } else {
            return false;
        }

        return true;
    }

    private void onProfileClicked(LocalBluetoothProfile profile, CheckBoxPreference profilePref) {
        BluetoothDevice device = mCachedDevice.getDevice();

        if (profilePref.getKey().equals(KEY_PBAP_SERVER)) {
            final int newPermission = mCachedDevice.getPhonebookPermissionChoice()
                == CachedBluetoothDevice.ACCESS_ALLOWED ? CachedBluetoothDevice.ACCESS_REJECTED
                : CachedBluetoothDevice.ACCESS_ALLOWED;
            mCachedDevice.setPhonebookPermissionChoice(newPermission);
            profilePref.setChecked(newPermission == CachedBluetoothDevice.ACCESS_ALLOWED);
            return;
        }

        int status = profile.getConnectionStatus(device);
        boolean isConnected =
                status == BluetoothProfile.STATE_CONNECTED;

        if (profilePref.isChecked()) {
            askDisconnect(mManager.getForegroundActivity(), profile);
        } else {
            if (profile instanceof MapProfile) {
                mCachedDevice.setMessagePermissionChoice(BluetoothDevice.ACCESS_ALLOWED);
                refreshProfilePreference(profilePref, profile);
            }
            if (profile.isPreferred(device)) {
                // profile is preferred but not connected: disable auto-connect
                profile.setPreferred(device, false);
                refreshProfilePreference(profilePref, profile);
            } else {
                profile.setPreferred(device, true);
                mCachedDevice.connectProfile(profile);
            }
        }
    }

    private void askDisconnect(Context context,
            final LocalBluetoothProfile profile) {
        // local reference for callback
        final CachedBluetoothDevice device = mCachedDevice;
        String name = device.getName();
        if (TextUtils.isEmpty(name)) {
            name = context.getString(R.string.bluetooth_device);
        }

        String profileName = context.getString(profile.getNameResource(device.getDevice()));

        String title = context.getString(R.string.bluetooth_disable_profile_title);
        String message = context.getString(R.string.bluetooth_disable_profile_message,
                profileName, name);

        DialogInterface.OnClickListener disconnectListener =
                new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int which) {
                device.disconnect(profile);
                profile.setPreferred(device.getDevice(), false);
                if (profile instanceof MapProfile) {
                    device.setMessagePermissionChoice(BluetoothDevice.ACCESS_REJECTED);
                    refreshProfilePreference(
                            (CheckBoxPreference)findPreference(profile.toString()), profile);
                }
            }
        };

        mDisconnectDialog = Utils.showDisconnectDialog(context,
                mDisconnectDialog, disconnectListener, title, Html.fromHtml(message));
    }

    @Override
    public void onDeviceAttributesChanged() {
        refresh();
    }

    private void refresh() {
        final EditText deviceNameField = (EditText) getView().findViewById(R.id.name);
        if (deviceNameField != null) {
            deviceNameField.setText(mCachedDevice.getName());
        }

        refreshProfiles();
    }

    private void refreshProfiles() {
        for (LocalBluetoothProfile profile : mCachedDevice.getConnectableProfiles()) {
            CheckBoxPreference profilePref = (CheckBoxPreference)findPreference(profile.toString());
            if (profilePref == null) {
                profilePref = createProfilePreference(profile);
                mProfileContainer.addPreference(profilePref);
            } else {
                refreshProfilePreference(profilePref, profile);
            }
        }
        for (LocalBluetoothProfile profile : mCachedDevice.getRemovedProfiles()) {
            Preference profilePref = findPreference(profile.toString());
            if (profilePref != null) {
                Log.d(TAG, "Removing " + profile.toString() + " from profile list");
                mProfileContainer.removePreference(profilePref);
            }
        }

        showOrHideProfileGroup();
    }

    private void refreshProfilePreference(CheckBoxPreference profilePref,
            LocalBluetoothProfile profile) {
        BluetoothDevice device = mCachedDevice.getDevice();

        // Gray out checkbox while connecting and disconnecting.
        profilePref.setEnabled(!mCachedDevice.isBusy());

        if (profile instanceof MapProfile) {
            profilePref.setChecked(mCachedDevice.getMessagePermissionChoice()
                    == CachedBluetoothDevice.ACCESS_ALLOWED);
        } else if (profile instanceof PbapServerProfile) {
            // Handle PBAP specially.
            profilePref.setChecked(mCachedDevice.getPhonebookPermissionChoice()
                    == CachedBluetoothDevice.ACCESS_ALLOWED);
        } else {
            profilePref.setChecked(profile.isPreferred(device));
        }
    }

    private LocalBluetoothProfile getProfileOf(Preference pref) {
        if (!(pref instanceof CheckBoxPreference)) {
            return null;
        }
        String key = pref.getKey();
        if (TextUtils.isEmpty(key)) return null;

        try {
            return mProfileManager.getProfileByName(pref.getKey());
        } catch (IllegalArgumentException ignored) {
            return null;
        }
    }

    private int getProfilePreferenceIndex(int profIndex) {
        return mProfileContainer.getOrder() + profIndex * 10;
    }
}