Moved LocationSettings into location sub-package
Change-Id: I55b30df5b6889576539b8cb880e3032f417ddfd7
This commit is contained in:
Lifu Tang
260
src/com/android/settings/location/LocationSettings.java
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260
src/com/android/settings/location/LocationSettings.java
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/*
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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.location;
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import android.content.ContentQueryMap;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.Intent;
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import android.database.Cursor;
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import android.location.LocationManager;
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import android.os.UserManager;
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import android.preference.CheckBoxPreference;
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import android.preference.Preference;
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import android.preference.PreferenceScreen;
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import android.preference.SwitchPreference;
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import android.provider.Settings;
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import android.util.AttributeSet;
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import android.view.View;
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import android.widget.TextView;
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import com.android.settings.R;
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import com.android.settings.SettingsPreferenceFragment;
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import java.util.Observable;
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import java.util.Observer;
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/**
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* Gesture lock pattern settings.
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*/
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public class LocationSettings extends SettingsPreferenceFragment
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implements Preference.OnPreferenceChangeListener {
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// Location Settings
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private static final String KEY_LOCATION_TOGGLE = "location_toggle";
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private static final String KEY_LOCATION_NETWORK = "location_network";
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private static final String KEY_LOCATION_GPS = "location_gps";
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private static final String KEY_ASSISTED_GPS = "assisted_gps";
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private CheckBoxPreference mNetwork;
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private CheckBoxPreference mGps;
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private CheckBoxPreference mAssistedGps;
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private SwitchPreference mLocationAccess;
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// These provide support for receiving notification when Location Manager settings change.
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// This is necessary because the Network Location Provider can change settings
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// if the user does not confirm enabling the provider.
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private ContentQueryMap mContentQueryMap;
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private Observer mSettingsObserver;
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@Override
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public void onStart() {
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super.onStart();
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// listen for Location Manager settings changes
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Cursor settingsCursor = getContentResolver().query(Settings.Secure.CONTENT_URI, null,
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"(" + Settings.System.NAME + "=?)",
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new String[]{Settings.Secure.LOCATION_PROVIDERS_ALLOWED},
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null);
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mContentQueryMap = new ContentQueryMap(settingsCursor, Settings.System.NAME, true, null);
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}
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@Override
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public void onStop() {
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super.onStop();
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if (mSettingsObserver != null) {
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mContentQueryMap.deleteObserver(mSettingsObserver);
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}
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mContentQueryMap.close();
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}
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private PreferenceScreen createPreferenceHierarchy() {
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PreferenceScreen root = getPreferenceScreen();
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if (root != null) {
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root.removeAll();
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}
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addPreferencesFromResource(R.xml.location_settings);
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root = getPreferenceScreen();
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mLocationAccess = (SwitchPreference) root.findPreference(KEY_LOCATION_TOGGLE);
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mNetwork = (CheckBoxPreference) root.findPreference(KEY_LOCATION_NETWORK);
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mGps = (CheckBoxPreference) root.findPreference(KEY_LOCATION_GPS);
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mAssistedGps = (CheckBoxPreference) root.findPreference(KEY_ASSISTED_GPS);
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// Only enable these controls if this user is allowed to change location
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// sharing settings.
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final UserManager um = (UserManager) getActivity().getSystemService(Context.USER_SERVICE);
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boolean isToggleAllowed = !um.hasUserRestriction(UserManager.DISALLOW_SHARE_LOCATION);
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if (mLocationAccess != null) mLocationAccess.setEnabled(isToggleAllowed);
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if (mNetwork != null) mNetwork.setEnabled(isToggleAllowed);
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if (mGps != null) mGps.setEnabled(isToggleAllowed);
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if (mAssistedGps != null) mAssistedGps.setEnabled(isToggleAllowed);
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mLocationAccess.setOnPreferenceChangeListener(this);
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return root;
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}
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@Override
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public void onResume() {
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super.onResume();
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// Make sure we reload the preference hierarchy since some of these settings
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// depend on others...
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createPreferenceHierarchy();
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updateLocationToggles();
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if (mSettingsObserver == null) {
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mSettingsObserver = new Observer() {
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@Override
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public void update(Observable o, Object arg) {
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updateLocationToggles();
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}
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};
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}
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mContentQueryMap.addObserver(mSettingsObserver);
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}
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@Override
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public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
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final ContentResolver cr = getContentResolver();
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final UserManager um = (UserManager) getActivity().getSystemService(Context.USER_SERVICE);
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if (preference == mNetwork) {
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if (!um.hasUserRestriction(UserManager.DISALLOW_SHARE_LOCATION)) {
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Settings.Secure.setLocationProviderEnabled(cr,
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LocationManager.NETWORK_PROVIDER, mNetwork.isChecked());
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}
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} else if (preference == mGps) {
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boolean enabled = mGps.isChecked();
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if (!um.hasUserRestriction(UserManager.DISALLOW_SHARE_LOCATION)) {
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Settings.Secure.setLocationProviderEnabled(cr,
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LocationManager.GPS_PROVIDER, enabled);
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if (mAssistedGps != null) {
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mAssistedGps.setEnabled(enabled);
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}
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}
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} else if (preference == mAssistedGps) {
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Settings.Global.putInt(cr, Settings.Global.ASSISTED_GPS_ENABLED,
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mAssistedGps.isChecked() ? 1 : 0);
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} else {
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// If we didn't handle it, let preferences handle it.
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return super.onPreferenceTreeClick(preferenceScreen, preference);
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}
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return true;
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}
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/*
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* Creates toggles for each available location provider
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*/
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private void updateLocationToggles() {
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ContentResolver res = getContentResolver();
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boolean gpsEnabled = Settings.Secure.isLocationProviderEnabled(
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res, LocationManager.GPS_PROVIDER);
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boolean networkEnabled = Settings.Secure.isLocationProviderEnabled(
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res, LocationManager.NETWORK_PROVIDER);
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mGps.setChecked(gpsEnabled);
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mNetwork.setChecked(networkEnabled);
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mLocationAccess.setChecked(gpsEnabled || networkEnabled);
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if (mAssistedGps != null) {
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mAssistedGps.setChecked(Settings.Global.getInt(res,
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Settings.Global.ASSISTED_GPS_ENABLED, 2) == 1);
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mAssistedGps.setEnabled(gpsEnabled);
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}
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}
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/**
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* see confirmPatternThenDisableAndClear
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*/
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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super.onActivityResult(requestCode, resultCode, data);
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createPreferenceHierarchy();
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}
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/** Enable or disable all providers when the master toggle is changed. */
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private void onToggleLocationAccess(boolean checked) {
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final UserManager um = (UserManager) getActivity().getSystemService(Context.USER_SERVICE);
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if (um.hasUserRestriction(UserManager.DISALLOW_SHARE_LOCATION)) {
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return;
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}
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final ContentResolver cr = getContentResolver();
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Settings.Secure.setLocationProviderEnabled(cr,
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LocationManager.GPS_PROVIDER, checked);
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Settings.Secure.setLocationProviderEnabled(cr,
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LocationManager.NETWORK_PROVIDER, checked);
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updateLocationToggles();
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}
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@Override
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public boolean onPreferenceChange(Preference pref, Object newValue) {
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if (pref.getKey().equals(KEY_LOCATION_TOGGLE)) {
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onToggleLocationAccess((Boolean) newValue);
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}
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return true;
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}
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@Override
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public int getHelpResource() {
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return R.string.help_url_location_access;
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}
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}
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class WrappingSwitchPreference extends SwitchPreference {
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public WrappingSwitchPreference(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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}
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public WrappingSwitchPreference(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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protected void onBindView(View view) {
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super.onBindView(view);
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TextView title = (TextView) view.findViewById(android.R.id.title);
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if (title != null) {
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title.setSingleLine(false);
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title.setMaxLines(3);
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}
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}
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}
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class WrappingCheckBoxPreference extends CheckBoxPreference {
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public WrappingCheckBoxPreference(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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}
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public WrappingCheckBoxPreference(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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protected void onBindView(View view) {
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super.onBindView(view);
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TextView title = (TextView) view.findViewById(android.R.id.title);
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if (title != null) {
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title.setSingleLine(false);
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title.setMaxLines(3);
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}
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}
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}
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