/*
* Copyright (C) 2010 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;
import android.app.Activity;
import android.app.ActivityManager;
import android.app.UiModeManager;
import android.app.WallpaperManager;
import android.app.admin.DevicePolicyManager;
import android.content.ContentResolver;
import android.content.Context;
import android.content.ComponentName;
import android.content.pm.PackageManager;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.hardware.Sensor;
import android.hardware.SensorManager;
import android.os.Build;
import android.os.Bundle;
import android.os.SystemProperties;
import android.os.UserHandle;
import android.os.UserManager;
import android.provider.SearchIndexableResource;
import android.provider.Settings;
import android.support.v14.preference.SwitchPreference;
import android.support.v7.preference.DropDownPreference;
import android.support.v7.preference.ListPreference;
import android.support.v7.preference.Preference;
import android.support.v7.preference.Preference.OnPreferenceChangeListener;
import android.text.TextUtils;
import android.util.Log;
import com.android.internal.app.NightDisplayController;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.MetricsProto.MetricsEvent;
import com.android.internal.view.RotationPolicy;
import com.android.settings.accessibility.ToggleFontSizePreferenceFragment;
import com.android.settings.dashboard.SummaryLoader;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settings.search.Indexable;
import com.android.settingslib.RestrictedLockUtils;
import com.android.settingslib.RestrictedPreference;
import java.util.ArrayList;
import java.util.List;
import static android.provider.Settings.Secure.CAMERA_GESTURE_DISABLED;
import static android.provider.Settings.Secure.DOUBLE_TAP_TO_WAKE;
import static android.provider.Settings.Secure.DOZE_ENABLED;
import static android.provider.Settings.Secure.WAKE_GESTURE_ENABLED;
import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE;
import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL;
import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT;
import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
public class DisplaySettings extends SettingsPreferenceFragment implements
Preference.OnPreferenceChangeListener, Indexable {
private static final String TAG = "DisplaySettings";
/** If there is no setting in the provider, use this. */
private static final int FALLBACK_SCREEN_TIMEOUT_VALUE = 30000;
private static final String KEY_SCREEN_TIMEOUT = "screen_timeout";
private static final String KEY_FONT_SIZE = "font_size";
private static final String KEY_SCREEN_SAVER = "screensaver";
private static final String KEY_LIFT_TO_WAKE = "lift_to_wake";
private static final String KEY_DOZE = "doze";
private static final String KEY_TAP_TO_WAKE = "tap_to_wake";
private static final String KEY_AUTO_BRIGHTNESS = "auto_brightness";
private static final String KEY_AUTO_ROTATE = "auto_rotate";
private static final String KEY_NIGHT_DISPLAY = "night_display";
private static final String KEY_NIGHT_MODE = "night_mode";
private static final String KEY_CAMERA_GESTURE = "camera_gesture";
private static final String KEY_WALLPAPER = "wallpaper";
private static final String KEY_VR_DISPLAY_PREF = "vr_display_pref";
private Preference mFontSizePref;
private TimeoutListPreference mScreenTimeoutPreference;
private ListPreference mNightModePreference;
private Preference mScreenSaverPreference;
private SwitchPreference mLiftToWakePreference;
private SwitchPreference mDozePreference;
private SwitchPreference mTapToWakePreference;
private SwitchPreference mAutoBrightnessPreference;
private SwitchPreference mCameraGesturePreference;
@Override
protected int getMetricsCategory() {
return MetricsEvent.DISPLAY;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final Activity activity = getActivity();
final ContentResolver resolver = activity.getContentResolver();
addPreferencesFromResource(R.xml.display_settings);
mScreenSaverPreference = findPreference(KEY_SCREEN_SAVER);
if (mScreenSaverPreference != null
&& getResources().getBoolean(
com.android.internal.R.bool.config_dreamsSupported) == false) {
getPreferenceScreen().removePreference(mScreenSaverPreference);
}
mScreenTimeoutPreference = (TimeoutListPreference) findPreference(KEY_SCREEN_TIMEOUT);
mFontSizePref = findPreference(KEY_FONT_SIZE);
if (isAutomaticBrightnessAvailable(getResources())) {
mAutoBrightnessPreference = (SwitchPreference) findPreference(KEY_AUTO_BRIGHTNESS);
mAutoBrightnessPreference.setOnPreferenceChangeListener(this);
} else {
removePreference(KEY_AUTO_BRIGHTNESS);
}
if (!NightDisplayController.isAvailable(activity)) {
removePreference(KEY_NIGHT_DISPLAY);
}
if (isLiftToWakeAvailable(activity)) {
mLiftToWakePreference = (SwitchPreference) findPreference(KEY_LIFT_TO_WAKE);
mLiftToWakePreference.setOnPreferenceChangeListener(this);
} else {
removePreference(KEY_LIFT_TO_WAKE);
}
if (isDozeAvailable(activity)) {
mDozePreference = (SwitchPreference) findPreference(KEY_DOZE);
mDozePreference.setOnPreferenceChangeListener(this);
} else {
removePreference(KEY_DOZE);
}
if (isTapToWakeAvailable(getResources())) {
mTapToWakePreference = (SwitchPreference) findPreference(KEY_TAP_TO_WAKE);
mTapToWakePreference.setOnPreferenceChangeListener(this);
} else {
removePreference(KEY_TAP_TO_WAKE);
}
if (isCameraGestureAvailable(getResources())) {
mCameraGesturePreference = (SwitchPreference) findPreference(KEY_CAMERA_GESTURE);
mCameraGesturePreference.setOnPreferenceChangeListener(this);
} else {
removePreference(KEY_CAMERA_GESTURE);
}
if (RotationPolicy.isRotationLockToggleVisible(activity)) {
DropDownPreference rotatePreference =
(DropDownPreference) findPreference(KEY_AUTO_ROTATE);
int rotateLockedResourceId;
// The following block sets the string used when rotation is locked.
// If the device locks specifically to portrait or landscape (rather than current
// rotation), then we use a different string to include this information.
if (allowAllRotations(activity)) {
rotateLockedResourceId = R.string.display_auto_rotate_stay_in_current;
} else {
if (RotationPolicy.getRotationLockOrientation(activity)
== Configuration.ORIENTATION_PORTRAIT) {
rotateLockedResourceId =
R.string.display_auto_rotate_stay_in_portrait;
} else {
rotateLockedResourceId =
R.string.display_auto_rotate_stay_in_landscape;
}
}
rotatePreference.setEntries(new CharSequence[] {
activity.getString(R.string.display_auto_rotate_rotate),
activity.getString(rotateLockedResourceId),
});
rotatePreference.setEntryValues(new CharSequence[] { "0", "1" });
rotatePreference.setValueIndex(RotationPolicy.isRotationLocked(activity) ?
1 : 0);
rotatePreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
final boolean locked = Integer.parseInt((String) newValue) != 0;
MetricsLogger.action(getActivity(), MetricsEvent.ACTION_ROTATION_LOCK,
locked);
RotationPolicy.setRotationLock(activity, locked);
return true;
}
});
} else {
removePreference(KEY_AUTO_ROTATE);
}
if (isVrDisplayModeAvailable(activity)) {
DropDownPreference vrDisplayPref =
(DropDownPreference) findPreference(KEY_VR_DISPLAY_PREF);
vrDisplayPref.setEntries(new CharSequence[] {
activity.getString(R.string.display_vr_pref_low_persistence),
activity.getString(R.string.display_vr_pref_off),
});
vrDisplayPref.setEntryValues(new CharSequence[] { "0", "1" });
final Context c = activity;
int currentUser = ActivityManager.getCurrentUser();
int current = Settings.Secure.getIntForUser(c.getContentResolver(),
Settings.Secure.VR_DISPLAY_MODE,
/*default*/Settings.Secure.VR_DISPLAY_MODE_LOW_PERSISTENCE,
currentUser);
vrDisplayPref.setValueIndex(current);
vrDisplayPref.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
int i = Integer.parseInt((String) newValue);
int u = ActivityManager.getCurrentUser();
if (!Settings.Secure.putIntForUser(c.getContentResolver(),
Settings.Secure.VR_DISPLAY_MODE,
i, u)) {
Log.e(TAG, "Could not change setting for " +
Settings.Secure.VR_DISPLAY_MODE);
}
return true;
}
});
} else {
removePreference(KEY_VR_DISPLAY_PREF);
}
mNightModePreference = (ListPreference) findPreference(KEY_NIGHT_MODE);
if (mNightModePreference != null) {
final UiModeManager uiManager = (UiModeManager) getSystemService(
Context.UI_MODE_SERVICE);
final int currentNightMode = uiManager.getNightMode();
mNightModePreference.setValue(String.valueOf(currentNightMode));
mNightModePreference.setOnPreferenceChangeListener(this);
}
}
private static boolean allowAllRotations(Context context) {
return Resources.getSystem().getBoolean(
com.android.internal.R.bool.config_allowAllRotations);
}
private static boolean isLiftToWakeAvailable(Context context) {
SensorManager sensors = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
return sensors != null && sensors.getDefaultSensor(Sensor.TYPE_WAKE_GESTURE) != null;
}
private static boolean isDozeAvailable(Context context) {
String name = Build.IS_DEBUGGABLE ? SystemProperties.get("debug.doze.component") : null;
if (TextUtils.isEmpty(name)) {
name = context.getResources().getString(
com.android.internal.R.string.config_dozeComponent);
}
return !TextUtils.isEmpty(name);
}
private static boolean isTapToWakeAvailable(Resources res) {
return res.getBoolean(com.android.internal.R.bool.config_supportDoubleTapWake);
}
private static boolean isAutomaticBrightnessAvailable(Resources res) {
return res.getBoolean(com.android.internal.R.bool.config_automatic_brightness_available);
}
private static boolean isCameraGestureAvailable(Resources res) {
boolean configSet = res.getInteger(
com.android.internal.R.integer.config_cameraLaunchGestureSensorType) != -1;
return configSet &&
!SystemProperties.getBoolean("gesture.disable_camera_launch", false);
}
private static boolean isVrDisplayModeAvailable(Context context) {
PackageManager pm = context.getPackageManager();
return pm.hasSystemFeature(PackageManager.FEATURE_VR_MODE_HIGH_PERFORMANCE);
}
private void updateTimeoutPreferenceDescription(long currentTimeout) {
TimeoutListPreference preference = mScreenTimeoutPreference;
String summary;
if (preference.isDisabledByAdmin()) {
summary = getString(R.string.disabled_by_policy_title);
} else if (currentTimeout < 0) {
// Unsupported value
summary = "";
} else {
final CharSequence[] entries = preference.getEntries();
final CharSequence[] values = preference.getEntryValues();
if (entries == null || entries.length == 0) {
summary = "";
} else {
int best = 0;
for (int i = 0; i < values.length; i++) {
long timeout = Long.parseLong(values[i].toString());
if (currentTimeout >= timeout) {
best = i;
}
}
summary = getString(R.string.screen_timeout_summary, entries[best]);
}
}
preference.setSummary(summary);
}
@Override
public void onResume() {
super.onResume();
updateState();
final long currentTimeout = Settings.System.getLong(getActivity().getContentResolver(),
SCREEN_OFF_TIMEOUT, FALLBACK_SCREEN_TIMEOUT_VALUE);
mScreenTimeoutPreference.setValue(String.valueOf(currentTimeout));
mScreenTimeoutPreference.setOnPreferenceChangeListener(this);
final DevicePolicyManager dpm = (DevicePolicyManager) getActivity().getSystemService(
Context.DEVICE_POLICY_SERVICE);
if (dpm != null) {
final EnforcedAdmin admin = RestrictedLockUtils.checkIfMaximumTimeToLockIsSet(
getActivity());
final long maxTimeout = dpm
.getMaximumTimeToLockForUserAndProfiles(UserHandle.myUserId());
mScreenTimeoutPreference.removeUnusableTimeouts(maxTimeout, admin);
}
updateTimeoutPreferenceDescription(currentTimeout);
disablePreferenceIfManaged(KEY_WALLPAPER, UserManager.DISALLOW_SET_WALLPAPER);
}
private void updateState() {
updateFontSizeSummary();
updateScreenSaverSummary();
// Update auto brightness if it is available.
if (mAutoBrightnessPreference != null) {
int brightnessMode = Settings.System.getInt(getContentResolver(),
SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_MANUAL);
mAutoBrightnessPreference.setChecked(brightnessMode != SCREEN_BRIGHTNESS_MODE_MANUAL);
}
// Update lift-to-wake if it is available.
if (mLiftToWakePreference != null) {
int value = Settings.Secure.getInt(getContentResolver(), WAKE_GESTURE_ENABLED, 0);
mLiftToWakePreference.setChecked(value != 0);
}
// Update tap to wake if it is available.
if (mTapToWakePreference != null) {
int value = Settings.Secure.getInt(getContentResolver(), DOUBLE_TAP_TO_WAKE, 0);
mTapToWakePreference.setChecked(value != 0);
}
// Update doze if it is available.
if (mDozePreference != null) {
int value = Settings.Secure.getInt(getContentResolver(), DOZE_ENABLED, 1);
mDozePreference.setChecked(value != 0);
}
// Update camera gesture #1 if it is available.
if (mCameraGesturePreference != null) {
int value = Settings.Secure.getInt(getContentResolver(), CAMERA_GESTURE_DISABLED, 0);
mCameraGesturePreference.setChecked(value == 0);
}
}
private void updateScreenSaverSummary() {
if (mScreenSaverPreference != null) {
mScreenSaverPreference.setSummary(
DreamSettings.getSummaryTextWithDreamName(getActivity()));
}
}
private void updateFontSizeSummary() {
final Context context = mFontSizePref.getContext();
final float currentScale = Settings.System.getFloat(context.getContentResolver(),
Settings.System.FONT_SCALE, 1.0f);
final Resources res = context.getResources();
final String[] entries = res.getStringArray(R.array.entries_font_size);
final String[] strEntryValues = res.getStringArray(R.array.entryvalues_font_size);
final int index = ToggleFontSizePreferenceFragment.fontSizeValueToIndex(currentScale,
strEntryValues);
mFontSizePref.setSummary(entries[index]);
}
@Override
public boolean onPreferenceChange(Preference preference, Object objValue) {
final String key = preference.getKey();
if (KEY_SCREEN_TIMEOUT.equals(key)) {
try {
int value = Integer.parseInt((String) objValue);
Settings.System.putInt(getContentResolver(), SCREEN_OFF_TIMEOUT, value);
updateTimeoutPreferenceDescription(value);
} catch (NumberFormatException e) {
Log.e(TAG, "could not persist screen timeout setting", e);
}
}
if (preference == mAutoBrightnessPreference) {
boolean auto = (Boolean) objValue;
Settings.System.putInt(getContentResolver(), SCREEN_BRIGHTNESS_MODE,
auto ? SCREEN_BRIGHTNESS_MODE_AUTOMATIC : SCREEN_BRIGHTNESS_MODE_MANUAL);
}
if (preference == mLiftToWakePreference) {
boolean value = (Boolean) objValue;
Settings.Secure.putInt(getContentResolver(), WAKE_GESTURE_ENABLED, value ? 1 : 0);
}
if (preference == mDozePreference) {
boolean value = (Boolean) objValue;
Settings.Secure.putInt(getContentResolver(), DOZE_ENABLED, value ? 1 : 0);
}
if (preference == mTapToWakePreference) {
boolean value = (Boolean) objValue;
Settings.Secure.putInt(getContentResolver(), DOUBLE_TAP_TO_WAKE, value ? 1 : 0);
}
if (preference == mCameraGesturePreference) {
boolean value = (Boolean) objValue;
Settings.Secure.putInt(getContentResolver(), CAMERA_GESTURE_DISABLED,
value ? 0 : 1 /* Backwards because setting is for disabling */);
}
if (preference == mNightModePreference) {
try {
final int value = Integer.parseInt((String) objValue);
final UiModeManager uiManager = (UiModeManager) getSystemService(
Context.UI_MODE_SERVICE);
uiManager.setNightMode(value);
} catch (NumberFormatException e) {
Log.e(TAG, "could not persist night mode setting", e);
}
}
return true;
}
@Override
public boolean onPreferenceTreeClick(Preference preference) {
if (preference == mDozePreference) {
MetricsLogger.action(getActivity(), MetricsEvent.ACTION_AMBIENT_DISPLAY);
}
return super.onPreferenceTreeClick(preference);
}
@Override
protected int getHelpResource() {
return R.string.help_uri_display;
}
private void disablePreferenceIfManaged(String key, String restriction) {
final RestrictedPreference pref = (RestrictedPreference) findPreference(key);
if (pref != null) {
pref.setDisabledByAdmin(null);
if (RestrictedLockUtils.hasBaseUserRestriction(getActivity(), restriction,
UserHandle.myUserId())) {
pref.setEnabled(false);
} else {
pref.checkRestrictionAndSetDisabled(restriction);
}
}
}
private static class SummaryProvider implements SummaryLoader.SummaryProvider {
private final Context mContext;
private final SummaryLoader mLoader;
private SummaryProvider(Context context, SummaryLoader loader) {
mContext = context;
mLoader = loader;
}
@Override
public void setListening(boolean listening) {
if (listening) {
updateSummary();
}
}
private void updateSummary() {
boolean auto = Settings.System.getInt(mContext.getContentResolver(),
SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_AUTOMATIC)
== SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
mLoader.setSummary(this, mContext.getString(auto ? R.string.display_summary_on
: R.string.display_summary_off));
}
}
public static final SummaryLoader.SummaryProviderFactory SUMMARY_PROVIDER_FACTORY
= new SummaryLoader.SummaryProviderFactory() {
@Override
public SummaryLoader.SummaryProvider createSummaryProvider(Activity activity,
SummaryLoader summaryLoader) {
return new SummaryProvider(activity, summaryLoader);
}
};
public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
new BaseSearchIndexProvider() {
@Override
public List<SearchIndexableResource> getXmlResourcesToIndex(Context context,
boolean enabled) {
ArrayList<SearchIndexableResource> result =
new ArrayList<SearchIndexableResource>();
SearchIndexableResource sir = new SearchIndexableResource(context);
sir.xmlResId = R.xml.display_settings;
result.add(sir);
return result;
}
@Override
public List<String> getNonIndexableKeys(Context context) {
ArrayList<String> result = new ArrayList<String>();
if (!context.getResources().getBoolean(
com.android.internal.R.bool.config_dreamsSupported)) {
result.add(KEY_SCREEN_SAVER);
}
if (!isAutomaticBrightnessAvailable(context.getResources())) {
result.add(KEY_AUTO_BRIGHTNESS);
}
if (!NightDisplayController.isAvailable(context)) {
result.add(KEY_NIGHT_DISPLAY);
}
if (!isLiftToWakeAvailable(context)) {
result.add(KEY_LIFT_TO_WAKE);
}
if (!isDozeAvailable(context)) {
result.add(KEY_DOZE);
}
if (!RotationPolicy.isRotationLockToggleVisible(context)) {
result.add(KEY_AUTO_ROTATE);
}
if (!isTapToWakeAvailable(context.getResources())) {
result.add(KEY_TAP_TO_WAKE);
}
if (!isCameraGestureAvailable(context.getResources())) {
result.add(KEY_CAMERA_GESTURE);
}
if (!isVrDisplayModeAvailable(context)) {
result.add(KEY_VR_DISPLAY_PREF);
}
return result;
}
};
}