1 files changed, 260 insertions, 0 deletions
diff --git a/src/com/android/settings/location/LocationSettings.java b/src/com/android/settings/location/LocationSettings.java
new file mode 100644
index 0000000..62bd272
--- /dev/null
+++ b/src/com/android/settings/location/LocationSettings.java
@@ -0,0 +1,260 @@
+/*
+ * 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.location;
+
+
+import android.content.ContentQueryMap;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.database.Cursor;
+import android.location.LocationManager;
+import android.os.UserManager;
+import android.preference.CheckBoxPreference;
+import android.preference.Preference;
+import android.preference.PreferenceScreen;
+import android.preference.SwitchPreference;
+import android.provider.Settings;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.TextView;
+
+import com.android.settings.R;
+import com.android.settings.SettingsPreferenceFragment;
+
+import java.util.Observable;
+import java.util.Observer;
+
+/**
+ * Gesture lock pattern settings.
+ */
+public class LocationSettings extends SettingsPreferenceFragment
+        implements Preference.OnPreferenceChangeListener {
+
+    // Location Settings
+    private static final String KEY_LOCATION_TOGGLE = "location_toggle";
+    private static final String KEY_LOCATION_NETWORK = "location_network";
+    private static final String KEY_LOCATION_GPS = "location_gps";
+    private static final String KEY_ASSISTED_GPS = "assisted_gps";
+
+    private CheckBoxPreference mNetwork;
+    private CheckBoxPreference mGps;
+    private CheckBoxPreference mAssistedGps;
+    private SwitchPreference mLocationAccess;
+
+    // These provide support for receiving notification when Location Manager settings change.
+    // This is necessary because the Network Location Provider can change settings
+    // if the user does not confirm enabling the provider.
+    private ContentQueryMap mContentQueryMap;
+
+    private Observer mSettingsObserver;
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        // listen for Location Manager settings changes
+        Cursor settingsCursor = getContentResolver().query(Settings.Secure.CONTENT_URI, null,
+                "(" + Settings.System.NAME + "=?)",
+                new String[]{Settings.Secure.LOCATION_PROVIDERS_ALLOWED},
+                null);
+        mContentQueryMap = new ContentQueryMap(settingsCursor, Settings.System.NAME, true, null);
+    }
+
+    @Override
+    public void onStop() {
+        super.onStop();
+        if (mSettingsObserver != null) {
+            mContentQueryMap.deleteObserver(mSettingsObserver);
+        }
+        mContentQueryMap.close();
+    }
+
+    private PreferenceScreen createPreferenceHierarchy() {
+        PreferenceScreen root = getPreferenceScreen();
+        if (root != null) {
+            root.removeAll();
+        }
+        addPreferencesFromResource(R.xml.location_settings);
+        root = getPreferenceScreen();
+
+        mLocationAccess = (SwitchPreference) root.findPreference(KEY_LOCATION_TOGGLE);
+        mNetwork = (CheckBoxPreference) root.findPreference(KEY_LOCATION_NETWORK);
+        mGps = (CheckBoxPreference) root.findPreference(KEY_LOCATION_GPS);
+        mAssistedGps = (CheckBoxPreference) root.findPreference(KEY_ASSISTED_GPS);
+
+        // Only enable these controls if this user is allowed to change location
+        // sharing settings.
+        final UserManager um = (UserManager) getActivity().getSystemService(Context.USER_SERVICE);
+        boolean isToggleAllowed = !um.hasUserRestriction(UserManager.DISALLOW_SHARE_LOCATION);
+        if (mLocationAccess != null) mLocationAccess.setEnabled(isToggleAllowed);
+        if (mNetwork != null) mNetwork.setEnabled(isToggleAllowed);
+        if (mGps != null) mGps.setEnabled(isToggleAllowed);
+        if (mAssistedGps != null) mAssistedGps.setEnabled(isToggleAllowed);
+
+        mLocationAccess.setOnPreferenceChangeListener(this);
+        return root;
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+
+        // Make sure we reload the preference hierarchy since some of these settings
+        // depend on others...
+        createPreferenceHierarchy();
+        updateLocationToggles();
+
+        if (mSettingsObserver == null) {
+            mSettingsObserver = new Observer() {
+                @Override
+                public void update(Observable o, Object arg) {
+                    updateLocationToggles();
+                }
+            };
+        }
+
+        mContentQueryMap.addObserver(mSettingsObserver);
+    }
+
+    @Override
+    public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
+        final ContentResolver cr = getContentResolver();
+        final UserManager um = (UserManager) getActivity().getSystemService(Context.USER_SERVICE);
+        if (preference == mNetwork) {
+            if (!um.hasUserRestriction(UserManager.DISALLOW_SHARE_LOCATION)) {
+                Settings.Secure.setLocationProviderEnabled(cr,
+                        LocationManager.NETWORK_PROVIDER, mNetwork.isChecked());
+            }
+        } else if (preference == mGps) {
+            boolean enabled = mGps.isChecked();
+            if (!um.hasUserRestriction(UserManager.DISALLOW_SHARE_LOCATION)) {
+                Settings.Secure.setLocationProviderEnabled(cr,
+                        LocationManager.GPS_PROVIDER, enabled);
+                if (mAssistedGps != null) {
+                    mAssistedGps.setEnabled(enabled);
+                }
+            }
+        } else if (preference == mAssistedGps) {
+            Settings.Global.putInt(cr, Settings.Global.ASSISTED_GPS_ENABLED,
+                    mAssistedGps.isChecked() ? 1 : 0);
+        } else {
+            // If we didn't handle it, let preferences handle it.
+            return super.onPreferenceTreeClick(preferenceScreen, preference);
+        }
+
+        return true;
+    }
+
+    /*
+     * Creates toggles for each available location provider
+     */
+    private void updateLocationToggles() {
+        ContentResolver res = getContentResolver();
+        boolean gpsEnabled = Settings.Secure.isLocationProviderEnabled(
+                res, LocationManager.GPS_PROVIDER);
+        boolean networkEnabled = Settings.Secure.isLocationProviderEnabled(
+                res, LocationManager.NETWORK_PROVIDER);
+        mGps.setChecked(gpsEnabled);
+        mNetwork.setChecked(networkEnabled);
+        mLocationAccess.setChecked(gpsEnabled || networkEnabled);
+        if (mAssistedGps != null) {
+            mAssistedGps.setChecked(Settings.Global.getInt(res,
+                    Settings.Global.ASSISTED_GPS_ENABLED, 2) == 1);
+            mAssistedGps.setEnabled(gpsEnabled);
+        }
+    }
+
+    /**
+     * see confirmPatternThenDisableAndClear
+     */
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        createPreferenceHierarchy();
+    }
+
+    /** Enable or disable all providers when the master toggle is changed. */
+    private void onToggleLocationAccess(boolean checked) {
+        final UserManager um = (UserManager) getActivity().getSystemService(Context.USER_SERVICE);
+        if (um.hasUserRestriction(UserManager.DISALLOW_SHARE_LOCATION)) {
+            return;
+        }
+        final ContentResolver cr = getContentResolver();
+        Settings.Secure.setLocationProviderEnabled(cr,
+                LocationManager.GPS_PROVIDER, checked);
+        Settings.Secure.setLocationProviderEnabled(cr,
+                LocationManager.NETWORK_PROVIDER, checked);
+        updateLocationToggles();
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference pref, Object newValue) {
+        if (pref.getKey().equals(KEY_LOCATION_TOGGLE)) {
+            onToggleLocationAccess((Boolean) newValue);
+        }
+        return true;
+    }
+
+    @Override
+    public int getHelpResource() {
+        return R.string.help_url_location_access;
+    }
+}
+
+class WrappingSwitchPreference extends SwitchPreference {
+
+    public WrappingSwitchPreference(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    public WrappingSwitchPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected void onBindView(View view) {
+        super.onBindView(view);
+
+        TextView title = (TextView) view.findViewById(android.R.id.title);
+        if (title != null) {
+            title.setSingleLine(false);
+            title.setMaxLines(3);
+        }
+    }
+}
+
+class WrappingCheckBoxPreference extends CheckBoxPreference {
+
+    public WrappingCheckBoxPreference(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    public WrappingCheckBoxPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected void onBindView(View view) {
+        super.onBindView(view);
+
+        TextView title = (TextView) view.findViewById(android.R.id.title);
+        if (title != null) {
+            title.setSingleLine(false);
+            title.setMaxLines(3);
+        }
+    }
+}