fe21d9aaa8
When these screens are locked down with user restrictions, it should prompt the user for the restrictions pin before allowing access to the settings screen. Change-Id: Iadbb087da2d9470b855ea0bea89f2da1ffb9e854
401 lines
16 KiB
Java
Executable File
401 lines
16 KiB
Java
Executable File
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.bluetooth;
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import static android.os.UserManager.DISALLOW_CONFIG_BLUETOOTH;
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import android.app.ActionBar;
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import android.app.Activity;
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import android.bluetooth.BluetoothAdapter;
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import android.bluetooth.BluetoothDevice;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.os.Bundle;
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import android.preference.Preference;
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import android.preference.PreferenceActivity;
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import android.preference.PreferenceCategory;
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import android.preference.PreferenceGroup;
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import android.preference.PreferenceScreen;
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import android.util.Log;
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import android.view.Gravity;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.widget.Switch;
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import android.widget.TextView;
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import com.android.settings.R;
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/**
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* BluetoothSettings is the Settings screen for Bluetooth configuration and
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* connection management.
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*/
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public final class BluetoothSettings extends DeviceListPreferenceFragment {
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private static final String TAG = "BluetoothSettings";
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private static final int MENU_ID_SCAN = Menu.FIRST;
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private static final int MENU_ID_RENAME_DEVICE = Menu.FIRST + 1;
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private static final int MENU_ID_VISIBILITY_TIMEOUT = Menu.FIRST + 2;
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private static final int MENU_ID_SHOW_RECEIVED = Menu.FIRST + 3;
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/* Private intent to show the list of received files */
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private static final String BTOPP_ACTION_OPEN_RECEIVED_FILES =
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"android.btopp.intent.action.OPEN_RECEIVED_FILES";
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private BluetoothEnabler mBluetoothEnabler;
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private BluetoothDiscoverableEnabler mDiscoverableEnabler;
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private PreferenceGroup mPairedDevicesCategory;
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private PreferenceGroup mAvailableDevicesCategory;
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private boolean mAvailableDevicesCategoryIsPresent;
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private boolean mActivityStarted;
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private TextView mEmptyView;
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private final IntentFilter mIntentFilter;
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// accessed from inner class (not private to avoid thunks)
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Preference mMyDevicePreference;
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private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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String action = intent.getAction();
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if (action.equals(BluetoothAdapter.ACTION_LOCAL_NAME_CHANGED)) {
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updateDeviceName();
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}
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}
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private void updateDeviceName() {
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if (mLocalAdapter.isEnabled() && mMyDevicePreference != null) {
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mMyDevicePreference.setTitle(mLocalAdapter.getName());
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}
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}
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};
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public BluetoothSettings() {
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super(DISALLOW_CONFIG_BLUETOOTH);
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mIntentFilter = new IntentFilter(BluetoothAdapter.ACTION_LOCAL_NAME_CHANGED);
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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mActivityStarted = (savedInstanceState == null); // don't auto start scan after rotation
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mEmptyView = (TextView) getView().findViewById(android.R.id.empty);
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getListView().setEmptyView(mEmptyView);
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}
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@Override
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void addPreferencesForActivity() {
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addPreferencesFromResource(R.xml.bluetooth_settings);
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Activity activity = getActivity();
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Switch actionBarSwitch = new Switch(activity);
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if (activity instanceof PreferenceActivity) {
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PreferenceActivity preferenceActivity = (PreferenceActivity) activity;
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if (preferenceActivity.onIsHidingHeaders() || !preferenceActivity.onIsMultiPane()) {
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final int padding = activity.getResources().getDimensionPixelSize(
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R.dimen.action_bar_switch_padding);
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actionBarSwitch.setPaddingRelative(0, 0, padding, 0);
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activity.getActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM,
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ActionBar.DISPLAY_SHOW_CUSTOM);
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activity.getActionBar().setCustomView(actionBarSwitch, new ActionBar.LayoutParams(
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ActionBar.LayoutParams.WRAP_CONTENT,
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ActionBar.LayoutParams.WRAP_CONTENT,
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Gravity.CENTER_VERTICAL | Gravity.END));
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}
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}
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mBluetoothEnabler = new BluetoothEnabler(activity, actionBarSwitch);
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setHasOptionsMenu(true);
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}
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@Override
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public void onResume() {
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// resume BluetoothEnabler before calling super.onResume() so we don't get
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// any onDeviceAdded() callbacks before setting up view in updateContent()
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if (mBluetoothEnabler != null) {
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mBluetoothEnabler.resume();
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}
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super.onResume();
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if (mDiscoverableEnabler != null) {
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mDiscoverableEnabler.resume();
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}
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getActivity().registerReceiver(mReceiver, mIntentFilter);
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if (mLocalAdapter != null) {
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updateContent(mLocalAdapter.getBluetoothState(), mActivityStarted);
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}
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}
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@Override
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public void onPause() {
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super.onPause();
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if (mBluetoothEnabler != null) {
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mBluetoothEnabler.pause();
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}
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getActivity().unregisterReceiver(mReceiver);
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if (mDiscoverableEnabler != null) {
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mDiscoverableEnabler.pause();
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}
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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if (mLocalAdapter == null) return;
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// If the user is not allowed to configure bluetooth, do not show the menu.
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if (isRestrictedAndNotPinProtected()) return;
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boolean bluetoothIsEnabled = mLocalAdapter.getBluetoothState() == BluetoothAdapter.STATE_ON;
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boolean isDiscovering = mLocalAdapter.isDiscovering();
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int textId = isDiscovering ? R.string.bluetooth_searching_for_devices :
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R.string.bluetooth_search_for_devices;
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menu.add(Menu.NONE, MENU_ID_SCAN, 0, textId)
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.setEnabled(bluetoothIsEnabled && !isDiscovering)
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.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
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menu.add(Menu.NONE, MENU_ID_RENAME_DEVICE, 0, R.string.bluetooth_rename_device)
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.setEnabled(bluetoothIsEnabled)
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.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
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menu.add(Menu.NONE, MENU_ID_VISIBILITY_TIMEOUT, 0, R.string.bluetooth_visibility_timeout)
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.setEnabled(bluetoothIsEnabled)
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.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
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menu.add(Menu.NONE, MENU_ID_SHOW_RECEIVED, 0, R.string.bluetooth_show_received_files)
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.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
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super.onCreateOptionsMenu(menu, inflater);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case MENU_ID_SCAN:
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if (mLocalAdapter.getBluetoothState() == BluetoothAdapter.STATE_ON) {
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startScanning();
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}
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return true;
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case MENU_ID_RENAME_DEVICE:
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new BluetoothNameDialogFragment().show(
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getFragmentManager(), "rename device");
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return true;
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case MENU_ID_VISIBILITY_TIMEOUT:
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new BluetoothVisibilityTimeoutFragment().show(
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getFragmentManager(), "visibility timeout");
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return true;
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case MENU_ID_SHOW_RECEIVED:
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Intent intent = new Intent(BTOPP_ACTION_OPEN_RECEIVED_FILES);
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getActivity().sendBroadcast(intent);
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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private void startScanning() {
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if (isRestrictedAndNotPinProtected()) return;
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if (!mAvailableDevicesCategoryIsPresent) {
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getPreferenceScreen().addPreference(mAvailableDevicesCategory);
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}
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mLocalAdapter.startScanning(true);
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}
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@Override
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void onDevicePreferenceClick(BluetoothDevicePreference btPreference) {
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mLocalAdapter.stopScanning();
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super.onDevicePreferenceClick(btPreference);
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}
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private void addDeviceCategory(PreferenceGroup preferenceGroup, int titleId,
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BluetoothDeviceFilter.Filter filter) {
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preferenceGroup.setTitle(titleId);
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getPreferenceScreen().addPreference(preferenceGroup);
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setFilter(filter);
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setDeviceListGroup(preferenceGroup);
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addCachedDevices();
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preferenceGroup.setEnabled(true);
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}
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private void updateContent(int bluetoothState, boolean scanState) {
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final PreferenceScreen preferenceScreen = getPreferenceScreen();
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int messageId = 0;
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switch (bluetoothState) {
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case BluetoothAdapter.STATE_ON:
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preferenceScreen.removeAll();
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preferenceScreen.setOrderingAsAdded(true);
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mDevicePreferenceMap.clear();
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// This device
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if (mMyDevicePreference == null) {
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mMyDevicePreference = new Preference(getActivity());
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}
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mMyDevicePreference.setTitle(mLocalAdapter.getName());
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if (getResources().getBoolean(com.android.internal.R.bool.config_voice_capable)) {
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mMyDevicePreference.setIcon(R.drawable.ic_bt_cellphone); // for phones
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} else {
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mMyDevicePreference.setIcon(R.drawable.ic_bt_laptop); // for tablets, etc.
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}
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mMyDevicePreference.setPersistent(false);
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mMyDevicePreference.setEnabled(true);
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preferenceScreen.addPreference(mMyDevicePreference);
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if (!isRestrictedAndNotPinProtected()) {
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if (mDiscoverableEnabler == null) {
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mDiscoverableEnabler = new BluetoothDiscoverableEnabler(getActivity(),
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mLocalAdapter, mMyDevicePreference);
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mDiscoverableEnabler.resume();
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LocalBluetoothManager.getInstance(getActivity()).setDiscoverableEnabler(
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mDiscoverableEnabler);
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}
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}
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// Paired devices category
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if (mPairedDevicesCategory == null) {
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mPairedDevicesCategory = new PreferenceCategory(getActivity());
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} else {
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mPairedDevicesCategory.removeAll();
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}
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addDeviceCategory(mPairedDevicesCategory,
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R.string.bluetooth_preference_paired_devices,
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BluetoothDeviceFilter.BONDED_DEVICE_FILTER);
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int numberOfPairedDevices = mPairedDevicesCategory.getPreferenceCount();
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if (mDiscoverableEnabler != null) {
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mDiscoverableEnabler.setNumberOfPairedDevices(numberOfPairedDevices);
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}
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// Available devices category
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if (mAvailableDevicesCategory == null) {
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mAvailableDevicesCategory = new BluetoothProgressCategory(getActivity(), null);
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} else {
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mAvailableDevicesCategory.removeAll();
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}
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if (!isRestrictedAndNotPinProtected()) {
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addDeviceCategory(mAvailableDevicesCategory,
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R.string.bluetooth_preference_found_devices,
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BluetoothDeviceFilter.UNBONDED_DEVICE_FILTER);
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}
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int numberOfAvailableDevices = mAvailableDevicesCategory.getPreferenceCount();
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mAvailableDevicesCategoryIsPresent = true;
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if (numberOfAvailableDevices == 0) {
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preferenceScreen.removePreference(mAvailableDevicesCategory);
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mAvailableDevicesCategoryIsPresent = false;
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}
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if (numberOfPairedDevices == 0) {
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preferenceScreen.removePreference(mPairedDevicesCategory);
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if (scanState == true) {
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mActivityStarted = false;
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startScanning();
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} else {
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if (!mAvailableDevicesCategoryIsPresent) {
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getPreferenceScreen().addPreference(mAvailableDevicesCategory);
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}
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}
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}
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getActivity().invalidateOptionsMenu();
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return; // not break
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case BluetoothAdapter.STATE_TURNING_OFF:
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messageId = R.string.bluetooth_turning_off;
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break;
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case BluetoothAdapter.STATE_OFF:
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messageId = R.string.bluetooth_empty_list_bluetooth_off;
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break;
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case BluetoothAdapter.STATE_TURNING_ON:
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messageId = R.string.bluetooth_turning_on;
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break;
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}
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setDeviceListGroup(preferenceScreen);
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removeAllDevices();
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mEmptyView.setText(messageId);
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getActivity().invalidateOptionsMenu();
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}
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@Override
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public void onBluetoothStateChanged(int bluetoothState) {
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super.onBluetoothStateChanged(bluetoothState);
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updateContent(bluetoothState, true);
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}
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@Override
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public void onScanningStateChanged(boolean started) {
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super.onScanningStateChanged(started);
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// Update options' enabled state
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getActivity().invalidateOptionsMenu();
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}
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public void onDeviceBondStateChanged(CachedBluetoothDevice cachedDevice, int bondState) {
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setDeviceListGroup(getPreferenceScreen());
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removeAllDevices();
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updateContent(mLocalAdapter.getBluetoothState(), false);
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}
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private final View.OnClickListener mDeviceProfilesListener = new View.OnClickListener() {
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public void onClick(View v) {
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// User clicked on advanced options icon for a device in the list
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if (v.getTag() instanceof CachedBluetoothDevice) {
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if (isRestrictedAndNotPinProtected()) return;
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CachedBluetoothDevice device = (CachedBluetoothDevice) v.getTag();
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Bundle args = new Bundle(1);
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args.putParcelable(DeviceProfilesSettings.EXTRA_DEVICE, device.getDevice());
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((PreferenceActivity) getActivity()).startPreferencePanel(
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DeviceProfilesSettings.class.getName(), args,
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R.string.bluetooth_device_advanced_title, null, null, 0);
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} else {
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Log.w(TAG, "onClick() called for other View: " + v); // TODO remove
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}
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}
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};
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/**
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* Add a listener, which enables the advanced settings icon.
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* @param preference the newly added preference
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*/
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@Override
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void initDevicePreference(BluetoothDevicePreference preference) {
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CachedBluetoothDevice cachedDevice = preference.getCachedDevice();
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if (cachedDevice.getBondState() == BluetoothDevice.BOND_BONDED) {
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// Only paired device have an associated advanced settings screen
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preference.setOnSettingsClickListener(mDeviceProfilesListener);
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}
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}
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@Override
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protected int getHelpResource() {
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return R.string.help_url_bluetooth;
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}
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}
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