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/*
* Copyright (C) 2015 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.applications;
import android.app.Activity;
import android.content.ContentResolver;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.RemoteException;
import android.preference.ListPreference;
import android.preference.Preference;
import android.provider.Settings;
import android.view.WindowManager;
import android.view.WindowManagerGlobal;
import android.view.WindowManagerPolicyControl;
import com.android.internal.logging.MetricsLogger;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.R;
public class ExpandedDesktopExtraPrefs extends SettingsPreferenceFragment
implements Preference.OnPreferenceChangeListener{
private static final String KEY_EXPANDED_DESKTOP_STYLE = "expanded_desktop_style";
private ListPreference mExpandedDesktopStylePref;
private int mExpandedDesktopStyle;
private final Handler mHandler = new Handler();
private final SettingsObserver mSettingsObserver = new SettingsObserver();
public static ExpandedDesktopExtraPrefs newInstance() {
ExpandedDesktopExtraPrefs expandedDesktopExtraPrefs = new ExpandedDesktopExtraPrefs();
return expandedDesktopExtraPrefs;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
boolean hasNavigationBar = true;
try {
hasNavigationBar = WindowManagerGlobal.getWindowManagerService().hasNavigationBar();
} catch (RemoteException e) {
// Do nothing
}
if (hasNavigationBar) {
addPreferencesFromResource(R.xml.expanded_desktop_prefs);
mExpandedDesktopStyle = getExpandedDesktopStyle();
createPreferences();
}
}
@Override
protected int getMetricsCategory() {
return MetricsLogger.DISPLAY;
}
@Override
public void onResume() {
super.onResume();
mSettingsObserver.register(true);
}
@Override
public void onPause() {
mSettingsObserver.register(false);
super.onPause();
}
public void createPreferences() {
mExpandedDesktopStylePref = (ListPreference) findPreference(KEY_EXPANDED_DESKTOP_STYLE);
mExpandedDesktopStylePref.setOnPreferenceChangeListener(this);
updateExpandedDesktopStyle();
}
private void updateExpandedDesktopStyle() {
if (mExpandedDesktopStylePref == null) {
return;
}
mExpandedDesktopStyle = getExpandedDesktopStyle();
mExpandedDesktopStylePref.setValueIndex(mExpandedDesktopStyle);
mExpandedDesktopStylePref.setSummary(getDesktopSummary(mExpandedDesktopStyle));
// We need to visually show the change
// TODO: This is hacky, but it works
writeValue("");
writeValue("immersive.full=*");
}
private int getDesktopSummary(int state) {
switch (state) {
case WindowManagerPolicyControl.ImmersiveDefaultStyles.IMMERSIVE_STATUS:
return R.string.expanded_hide_status;
case WindowManagerPolicyControl.ImmersiveDefaultStyles.IMMERSIVE_NAVIGATION:
return R.string.expanded_hide_navigation;
case WindowManagerPolicyControl.ImmersiveDefaultStyles.IMMERSIVE_FULL:
default:
return R.string.expanded_hide_both;
}
}
private int getExpandedDesktopStyle() {
return Settings.Global.getInt(getContentResolver(),
Settings.Global.POLICY_CONTROL_STYLE,
WindowManagerPolicyControl.ImmersiveDefaultStyles.IMMERSIVE_FULL);
}
@Override
public boolean onPreferenceChange(Preference preference, Object value) {
final int val = Integer.valueOf((String) value);
WindowManagerPolicyControl.saveStyleToSettings(getActivity(), val);
return false;
}
private void writeValue(String value) {
Settings.Global.putString(getContentResolver(), Settings.Global.POLICY_CONTROL, value);
}
// === Window Policy Style Callbacks ===
private final class SettingsObserver extends ContentObserver {
private final Uri DEFAULT_WINDOW_POLICY_STYLE =
Settings.Global.getUriFor(Settings.Global.POLICY_CONTROL_STYLE);
public SettingsObserver() {
super(mHandler);
}
public void register(boolean register) {
final ContentResolver cr = getContentResolver();
if (register) {
cr.registerContentObserver(DEFAULT_WINDOW_POLICY_STYLE, false, this);
} else {
cr.unregisterContentObserver(this);
}
}
@Override
public void onChange(boolean selfChange, Uri uri) {
super.onChange(selfChange, uri);
if (DEFAULT_WINDOW_POLICY_STYLE.equals(uri)) {
updateExpandedDesktopStyle();
}
}
}
}
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