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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.settings.applications;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.UserHandle;
import android.os.UserManager;
import android.preference.Preference;
import android.provider.SearchIndexableResource;
import android.text.TextUtils;
import android.util.Log;
import com.android.internal.content.PackageMonitor;
import com.android.internal.logging.MetricsLogger;
import com.android.settings.InstrumentedFragment;
import com.android.settings.R;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settings.search.Index;
import com.android.settings.search.Indexable;
import com.android.settings.Utils;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
public class ManageDefaultApps extends SettingsPreferenceFragment
implements Preference.OnPreferenceClickListener, Indexable {
private static final String TAG = ManageDefaultApps.class.getSimpleName();
private static final String KEY_DEFAULT_BROWSER = "default_browser";
private static final String KEY_DEFAULT_PHONE_APP = "default_phone_app";
private static final String KEY_DEFAULT_EMERGENCY_APP = "default_emergency_app";
private static final String KEY_SMS_APPLICATION = "default_sms_app";
private DefaultBrowserPreference mDefaultBrowserPreference;
private PackageManager mPm;
private int myUserId;
private static final long DELAY_UPDATE_BROWSER_MILLIS = 500;
private final Handler mHandler = new Handler();
private final Runnable mUpdateRunnable = new Runnable() {
@Override
public void run() {
updateDefaultBrowserPreference();
}
};
private final PackageMonitor mPackageMonitor = new PackageMonitor() {
@Override
public void onPackageAdded(String packageName, int uid) {
sendUpdate();
}
@Override
public void onPackageAppeared(String packageName, int reason) {
sendUpdate();
}
@Override
public void onPackageDisappeared(String packageName, int reason) {
sendUpdate();
}
@Override
public void onPackageRemoved(String packageName, int uid) {
sendUpdate();
}
private void sendUpdate() {
mHandler.postDelayed(mUpdateRunnable, DELAY_UPDATE_BROWSER_MILLIS);
}
};
private void updateDefaultBrowserPreference() {
mDefaultBrowserPreference.refreshBrowserApps();
final PackageManager pm = getPackageManager();
String packageName = pm.getDefaultBrowserPackageName(UserHandle.myUserId());
if (!TextUtils.isEmpty(packageName)) {
// Check if the default Browser package is still there
Intent intent = new Intent();
intent.setPackage(packageName);
intent.setAction(Intent.ACTION_VIEW);
intent.addCategory(Intent.CATEGORY_BROWSABLE);
intent.setData(Uri.parse("http:"));
ResolveInfo info = mPm.resolveActivityAsUser(intent, 0, myUserId);
if (info != null) {
mDefaultBrowserPreference.setValue(packageName);
CharSequence label = info.loadLabel(pm);
mDefaultBrowserPreference.setSummary(label);
} else {
mDefaultBrowserPreference.setSummary(R.string.default_browser_title_none);
}
} else {
mDefaultBrowserPreference.setSummary(R.string.default_browser_title_none);
Log.d(TAG, "Cannot set empty default Browser value!");
}
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
addPreferencesFromResource(R.xml.default_apps);
mPm = getPackageManager();
myUserId = UserHandle.myUserId();
mDefaultBrowserPreference = (DefaultBrowserPreference) findPreference(KEY_DEFAULT_BROWSER);
mDefaultBrowserPreference.setOnPreferenceChangeListener(
new Preference.OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (newValue == null) {
return false;
}
final CharSequence packageName = (CharSequence) newValue;
if (TextUtils.isEmpty(packageName)) {
return false;
}
boolean result = mPm.setDefaultBrowserPackageName(
packageName.toString(), myUserId);
if (result) {
mDefaultBrowserPreference.setValue(packageName.toString());
final CharSequence appName = mDefaultBrowserPreference.getEntry();
mDefaultBrowserPreference.setSummary(appName);
}
return result;
}
});
final boolean isRestrictedUser = UserManager.get(getActivity())
.getUserInfo(myUserId).isRestricted();
// Restricted users cannot currently read/write SMS.
// Remove SMS Application if the device does not support SMS
if (isRestrictedUser || !Utils.canUserMakeCallsSms(getActivity())
|| !DefaultSmsPreference.isAvailable(getActivity())) {
removePreference(KEY_SMS_APPLICATION);
}
if (!DefaultPhonePreference.isAvailable(getActivity())) {
removePreference(KEY_DEFAULT_PHONE_APP);
}
if (!DefaultEmergencyPreference.isAvailable(getActivity())) {
removePreference(KEY_DEFAULT_EMERGENCY_APP);
}
if (DefaultEmergencyPreference.isCapable(getActivity())) {
Index.getInstance(getActivity()).updateFromClassNameResource(
ManageDefaultApps.class.getName(), true, true);
}
}
@Override
public void onResume() {
super.onResume();
updateDefaultBrowserPreference();
mPackageMonitor.register(getActivity(), getActivity().getMainLooper(), false);
}
@Override
public void onPause() {
super.onPause();
mPackageMonitor.unregister();
}
@Override
protected int getMetricsCategory() {
return MetricsLogger.APPLICATIONS_DEFAULT_APPS;
}
@Override
public boolean onPreferenceClick(Preference preference) {
return false;
}
public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
new BaseSearchIndexProvider() {
@Override
public List<SearchIndexableResource> getXmlResourcesToIndex(
Context context, boolean enabled) {
SearchIndexableResource sir = new SearchIndexableResource(context);
sir.xmlResId = R.xml.default_apps;
return Arrays.asList(sir);
}
@Override
public List<String> getNonIndexableKeys(Context context) {
final ArrayList<String> result = new ArrayList<String>();
// Remove SMS Application if the device does not support SMS
final boolean isRestrictedUser = UserManager.get(context)
.getUserInfo(UserHandle.myUserId()).isRestricted();
if (!DefaultSmsPreference.isAvailable(context) || isRestrictedUser) {
result.add(KEY_SMS_APPLICATION);
}
if (!DefaultEmergencyPreference.isAvailable(context)) {
result.add(KEY_DEFAULT_EMERGENCY_APP);
}
return result;
}
};
}
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