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package com.android.settings.wifi;
import android.app.Activity;
import android.app.Fragment;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.database.ContentObserver;
import android.net.NetworkScoreManager;
import android.net.NetworkScorerAppData;
import android.net.Uri;
import android.os.Handler;
import android.os.Looper;
import android.provider.Settings;
import android.support.annotation.VisibleForTesting;
import android.support.v14.preference.SwitchPreference;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceScreen;
import android.text.TextUtils;
import com.android.settings.network.NetworkScoreManagerWrapper;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnPause;
import com.android.settingslib.core.lifecycle.events.OnResume;
/**
* {@link AbstractPreferenceController} that controls whether a user wants to enable the "use open
* networks automatically" feature provider by the current network recommendation provider.
*/
public class UseOpenWifiPreferenceController extends AbstractPreferenceController
implements PreferenceControllerMixin, Preference.OnPreferenceChangeListener,
LifecycleObserver, OnResume, OnPause {
private static final String KEY_USE_OPEN_WIFI_AUTOMATICALLY = "use_open_wifi_automatically";
@VisibleForTesting static final int REQUEST_CODE_OPEN_WIFI_AUTOMATICALLY = 400;
private final ContentResolver mContentResolver;
private final Fragment mFragment;
private final NetworkScoreManagerWrapper mNetworkScoreManagerWrapper;
private final SettingObserver mSettingObserver;
private Preference mPreference;
private ComponentName mEnableUseWifiComponentName;
public UseOpenWifiPreferenceController(Context context, Fragment fragment,
NetworkScoreManagerWrapper networkScoreManagerWrapper, Lifecycle lifecycle) {
super(context);
mContentResolver = context.getContentResolver();
mFragment = fragment;
mNetworkScoreManagerWrapper = networkScoreManagerWrapper;
mSettingObserver = new SettingObserver();
updateEnableUseWifiComponentName();
lifecycle.addObserver(this);
}
private void updateEnableUseWifiComponentName() {
NetworkScorerAppData appData = mNetworkScoreManagerWrapper.getActiveScorer();
mEnableUseWifiComponentName =
appData == null ? null : appData.getEnableUseOpenWifiActivity();
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mPreference = screen.findPreference(KEY_USE_OPEN_WIFI_AUTOMATICALLY);
}
@Override
public void onResume() {
mSettingObserver.register(mContentResolver);
}
@Override
public void onPause() {
mSettingObserver.unregister(mContentResolver);
}
@Override
public boolean isAvailable() {
return mEnableUseWifiComponentName != null;
}
@Override
public String getPreferenceKey() {
return KEY_USE_OPEN_WIFI_AUTOMATICALLY;
}
@Override
public void updateState(Preference preference) {
if (!(preference instanceof SwitchPreference)) {
return;
}
final SwitchPreference useOpenWifiPreference = (SwitchPreference) preference;
useOpenWifiPreference.setVisible(isAvailable());
useOpenWifiPreference.setChecked(isSettingEnabled());
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (!TextUtils.equals(preference.getKey(), KEY_USE_OPEN_WIFI_AUTOMATICALLY)
|| !isAvailable()) {
return false;
}
if (isSettingEnabled()) {
Settings.Global.putString(mContentResolver,
Settings.Global.USE_OPEN_WIFI_PACKAGE, "");
return true;
}
Intent intent = new Intent(NetworkScoreManager.ACTION_CUSTOM_ENABLE);
intent.setComponent(mEnableUseWifiComponentName);
mFragment.startActivityForResult(intent, REQUEST_CODE_OPEN_WIFI_AUTOMATICALLY);
return false; // Updating state is done in onActivityResult.
}
private boolean isSettingEnabled() {
String enabledUseOpenWifiPackage = Settings.Global.getString(mContentResolver,
Settings.Global.USE_OPEN_WIFI_PACKAGE);
String currentUseOpenWifiPackage = mEnableUseWifiComponentName == null
? null : mEnableUseWifiComponentName.getPackageName();
return TextUtils.equals(enabledUseOpenWifiPackage, currentUseOpenWifiPackage);
}
public boolean onActivityResult(int requestCode, int resultCode) {
if (requestCode != REQUEST_CODE_OPEN_WIFI_AUTOMATICALLY) {
return false;
}
if (resultCode == Activity.RESULT_OK) {
Settings.Global.putString(mContentResolver, Settings.Global.USE_OPEN_WIFI_PACKAGE,
mEnableUseWifiComponentName.getPackageName());
}
return true;
}
class SettingObserver extends ContentObserver {
private final Uri NETWORK_RECOMMENDATIONS_ENABLED_URI =
Settings.Global.getUriFor(Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED);
public SettingObserver() {
super(new Handler(Looper.getMainLooper()));
}
public void register(ContentResolver cr) {
cr.registerContentObserver(NETWORK_RECOMMENDATIONS_ENABLED_URI, false, this);
onChange(true /* selfChange */, NETWORK_RECOMMENDATIONS_ENABLED_URI);
}
public void unregister(ContentResolver cr) {
cr.unregisterContentObserver(this);
}
@Override
public void onChange(boolean selfChange, Uri uri) {
super.onChange(selfChange, uri);
if (NETWORK_RECOMMENDATIONS_ENABLED_URI.equals(uri)) {
updateEnableUseWifiComponentName();
updateState(mPreference);
}
}
}
}
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