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/*
* Copyright (C) 2012 The CyanogenMod 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.cyanogenmod;
import java.util.*;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.preference.PreferenceScreen;
import android.provider.Settings;
import android.text.TextUtils;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.Utils;
/**
* Lockscreen Buttons Settings
*/
public class LockscreenButtons extends SettingsPreferenceFragment
implements Preference.OnPreferenceChangeListener {
private static final String TAG = "LockscreenButtons";
private static final String LONG_PRESS_BACK = "lockscreen_long_press_back";
private static final String LONG_PRESS_HOME = "lockscreen_long_press_home";
private static final String LONG_PRESS_MENU = "lockscreen_long_press_menu";
// Masks for checking presence of hardware keys.
// Must match values in frameworks/base/core/res/res/values/config.xml
private static final int KEY_MASK_HOME = 0x01;
private static final int KEY_MASK_BACK = 0x02;
private static final int KEY_MASK_MENU = 0x04;
private ListPreference mLongBackAction;
private ListPreference mLongHomeAction;
private ListPreference mLongMenuAction;
private ListPreference[] mActions;
private boolean torchSupported() {
return getResources().getBoolean(R.bool.has_led_flash);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
final int deviceKeys = getResources().getInteger(
com.android.internal.R.integer.config_deviceHardwareKeys);
final boolean hasHomeKey = (deviceKeys & KEY_MASK_HOME) != 0;
final boolean hasBackKey = (deviceKeys & KEY_MASK_BACK) != 0;
final boolean hasMenuKey = (deviceKeys & KEY_MASK_MENU) != 0;
addPreferencesFromResource(R.xml.lockscreen_buttons_settings);
PreferenceScreen prefSet = getPreferenceScreen();
mLongBackAction = (ListPreference) prefSet.findPreference(LONG_PRESS_BACK);
if (hasBackKey) {
mLongBackAction.setKey(Settings.System.LOCKSCREEN_LONG_BACK_ACTION);
} else {
getPreferenceScreen().removePreference(mLongBackAction);
}
mLongHomeAction = (ListPreference) prefSet.findPreference(LONG_PRESS_HOME);
if (hasHomeKey) {
mLongHomeAction.setKey(Settings.System.LOCKSCREEN_LONG_HOME_ACTION);
} else {
getPreferenceScreen().removePreference(mLongHomeAction);
}
mLongMenuAction = (ListPreference) prefSet.findPreference(LONG_PRESS_MENU);
if (hasMenuKey) {
mLongMenuAction.setKey(Settings.System.LOCKSCREEN_LONG_MENU_ACTION);
} else {
getPreferenceScreen().removePreference(mLongMenuAction);
}
mActions = new ListPreference[] {
mLongBackAction, mLongHomeAction, mLongMenuAction
};
for (ListPreference pref : mActions) {
if (torchSupported()) {
final CharSequence[] oldEntries = pref.getEntries();
final CharSequence[] oldValues = pref.getEntryValues();
ArrayList<CharSequence> newEntries = new ArrayList<CharSequence>();
ArrayList<CharSequence> newValues = new ArrayList<CharSequence>();
for (int i = 0; i < oldEntries.length; i++) {
newEntries.add(oldEntries[i].toString());
newValues.add(oldValues[i].toString());
}
newEntries.add(getString(R.string.lockscreen_buttons_flashlight));
newValues.add("FLASHLIGHT");
pref.setEntries(
newEntries.toArray(new CharSequence[newEntries.size()]));
pref.setEntryValues(
newValues.toArray(new CharSequence[newValues.size()]));
}
pref.setOnPreferenceChangeListener(this);
}
}
@Override
public void onResume() {
super.onResume();
for (ListPreference pref : mActions) {
updateEntry(pref);
}
}
private void updateEntry(ListPreference pref) {
String value = Settings.System.getString(getContentResolver(), pref.getKey());
if (value == null) {
value = "";
}
CharSequence entry = findEntryForValue(pref, value);
if (entry != null) {
pref.setValue(value);
pref.setSummary(entry);
return;
}
}
private CharSequence findEntryForValue(ListPreference pref, CharSequence value) {
CharSequence[] entries = pref.getEntryValues();
for (int i = 0; i < entries.length; i++) {
if (TextUtils.equals(entries[i], value)) {
return pref.getEntries()[i];
}
}
return null;
}
@Override
public boolean onPreferenceChange(Preference pref, Object newValue) {
/* we only have ListPreferences, so know newValue is a string */
ListPreference list = (ListPreference) pref;
String value = (String) newValue;
if (Settings.System.putString(getContentResolver(), list.getKey(), value)) {
pref.setSummary(findEntryForValue(list, value));
}
return true;
}
}
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