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/*
* Copyright (C) 2015 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.launcher3;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.app.FragmentManager;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceFragment;
import android.provider.Settings;
import com.android.launcher3.graphics.IconShapeOverride;
import com.android.launcher3.notification.NotificationListener;
import com.android.launcher3.util.SettingsObserver;
import com.android.launcher3.views.ButtonPreference;
/**
* Settings activity for Launcher. Currently implements the following setting: Allow rotation
*/
public class SettingsActivity extends Activity {
private static final String ICON_BADGING_PREFERENCE_KEY = "pref_icon_badging";
/** Hidden field Settings.Secure.NOTIFICATION_BADGING */
public static final String NOTIFICATION_BADGING = "notification_badging";
/** Hidden field Settings.Secure.ENABLED_NOTIFICATION_LISTENERS */
private static final String NOTIFICATION_ENABLED_LISTENERS = "enabled_notification_listeners";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (savedInstanceState == null) {
// Display the fragment as the main content.
getFragmentManager().beginTransaction()
.replace(android.R.id.content, new LauncherSettingsFragment())
.commit();
}
}
/**
* This fragment shows the launcher preferences.
*/
public static class LauncherSettingsFragment extends PreferenceFragment {
private SystemDisplayRotationLockObserver mRotationLockObserver;
private IconBadgingObserver mIconBadgingObserver;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getPreferenceManager().setSharedPreferencesName(LauncherFiles.SHARED_PREFERENCES_KEY);
addPreferencesFromResource(R.xml.launcher_preferences);
ContentResolver resolver = getActivity().getContentResolver();
// Setup allow rotation preference
Preference rotationPref = findPreference(Utilities.ALLOW_ROTATION_PREFERENCE_KEY);
if (getResources().getBoolean(R.bool.allow_rotation)) {
// Launcher supports rotation by default. No need to show this setting.
getPreferenceScreen().removePreference(rotationPref);
} else {
mRotationLockObserver = new SystemDisplayRotationLockObserver(rotationPref, resolver);
// Register a content observer to listen for system setting changes while
// this UI is active.
mRotationLockObserver.register(Settings.System.ACCELEROMETER_ROTATION);
// Initialize the UI once
rotationPref.setDefaultValue(Utilities.getAllowRotationDefaultValue(getActivity()));
}
ButtonPreference iconBadgingPref =
(ButtonPreference) findPreference(ICON_BADGING_PREFERENCE_KEY);
if (!Utilities.isAtLeastO()) {
getPreferenceScreen().removePreference(
findPreference(SessionCommitReceiver.ADD_ICON_PREFERENCE_KEY));
getPreferenceScreen().removePreference(iconBadgingPref);
} else if (!getResources().getBoolean(R.bool.notification_badging_enabled)) {
getPreferenceScreen().removePreference(iconBadgingPref);
} else {
// Listen to system notification badge settings while this UI is active.
mIconBadgingObserver = new IconBadgingObserver(
iconBadgingPref, resolver, getFragmentManager());
mIconBadgingObserver.register(NOTIFICATION_BADGING, NOTIFICATION_ENABLED_LISTENERS);
}
Preference iconShapeOverride = findPreference(IconShapeOverride.KEY_PREFERENCE);
if (iconShapeOverride != null) {
if (IconShapeOverride.isSupported(getActivity())) {
IconShapeOverride.handlePreferenceUi((ListPreference) iconShapeOverride);
} else {
getPreferenceScreen().removePreference(iconShapeOverride);
}
}
}
@Override
public void onDestroy() {
if (mRotationLockObserver != null) {
mRotationLockObserver.unregister();
mRotationLockObserver = null;
}
if (mIconBadgingObserver != null) {
mIconBadgingObserver.unregister();
mIconBadgingObserver = null;
}
super.onDestroy();
}
}
/**
* Content observer which listens for system auto-rotate setting changes, and enables/disables
* the launcher rotation setting accordingly.
*/
private static class SystemDisplayRotationLockObserver extends SettingsObserver.System {
private final Preference mRotationPref;
public SystemDisplayRotationLockObserver(
Preference rotationPref, ContentResolver resolver) {
super(resolver);
mRotationPref = rotationPref;
}
@Override
public void onSettingChanged(boolean enabled) {
mRotationPref.setEnabled(enabled);
mRotationPref.setSummary(enabled
? R.string.allow_rotation_desc : R.string.allow_rotation_blocked_desc);
}
}
/**
* Content observer which listens for system badging setting changes,
* and updates the launcher badging setting subtext accordingly.
*/
private static class IconBadgingObserver extends SettingsObserver.Secure
implements Preference.OnPreferenceClickListener {
private final ButtonPreference mBadgingPref;
private final ContentResolver mResolver;
private final FragmentManager mFragmentManager;
public IconBadgingObserver(ButtonPreference badgingPref, ContentResolver resolver,
FragmentManager fragmentManager) {
super(resolver);
mBadgingPref = badgingPref;
mResolver = resolver;
mFragmentManager = fragmentManager;
}
@Override
public void onSettingChanged(boolean enabled) {
int summary = enabled ? R.string.icon_badging_desc_on : R.string.icon_badging_desc_off;
boolean serviceEnabled = true;
if (enabled) {
// Check if the listener is enabled or not.
String enabledListeners =
Settings.Secure.getString(mResolver, NOTIFICATION_ENABLED_LISTENERS);
ComponentName myListener =
new ComponentName(mBadgingPref.getContext(), NotificationListener.class);
serviceEnabled = enabledListeners != null &&
(enabledListeners.contains(myListener.flattenToString()) ||
enabledListeners.contains(myListener.flattenToShortString()));
if (!serviceEnabled) {
summary = R.string.title_missing_notification_access;
}
}
mBadgingPref.setWidgetFrameVisible(!serviceEnabled);
mBadgingPref.setOnPreferenceClickListener(serviceEnabled ? null : this);
mBadgingPref.setSummary(summary);
}
@Override
public boolean onPreferenceClick(Preference preference) {
new NotificationAccessConfirmation().show(mFragmentManager, "notification_access");
return true;
}
}
public static class NotificationAccessConfirmation
extends DialogFragment implements DialogInterface.OnClickListener {
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final Context context = getActivity();
String msg = context.getString(R.string.msg_missing_notification_access,
context.getString(R.string.derived_app_name));
return new AlertDialog.Builder(context)
.setTitle(R.string.title_missing_notification_access)
.setMessage(msg)
.setNegativeButton(android.R.string.cancel, null)
.setPositiveButton(R.string.title_change_settings, this)
.create();
}
@Override
public void onClick(DialogInterface dialogInterface, int i) {
ComponentName cn = new ComponentName(getActivity(), NotificationListener.class);
Intent intent = new Intent(Settings.ACTION_NOTIFICATION_LISTENER_SETTINGS)
.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
.putExtra(":settings:fragment_args_key", cn.flattenToString());
getActivity().startActivity(intent);
}
}
}
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