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/*
* Copyright (C) 2018 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.wifi.calling;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.PersistableBundle;
import android.telephony.CarrierConfigManager;
import android.util.Log;
import com.android.internal.annotations.VisibleForTesting;
/**
* Interface to control disclaimer item from {@link WifiCallingDisclaimerFragment}.
*/
@VisibleForTesting
public abstract class DisclaimerItem {
private static final String SHARED_PREFERENCES_NAME = "wfc_disclaimer_prefs";
protected final Context mContext;
protected final int mSubId;
private final CarrierConfigManager mCarrierConfigManager;
DisclaimerItem(Context context, int subId) {
mContext = context;
mSubId = subId;
mCarrierConfigManager = mContext.getSystemService(CarrierConfigManager.class);
}
/**
* Called by the {@link WifiCallingDisclaimerFragment} when a user has clicked the agree button.
*/
void onAgreed() {
setBooleanSharedPrefs(getPrefKey(), true);
}
/**
* Checks whether the disclaimer item need to be displayed or not.
*
* @return Returns {@code true} if disclaimer item need to be displayed,
* {@code false} if not displayed.
*/
boolean shouldShow() {
if (getBooleanSharedPrefs(getPrefKey(), false)) {
logd("shouldShow: false due to a user has already agreed.");
return false;
}
logd("shouldShow: true");
return true;
}
/**
* Gets the configuration values for a particular sub id.
*
* @return The {@link PersistableBundle} instance containing the config value for a
* particular phone id, or default values.
*/
protected PersistableBundle getCarrierConfig() {
PersistableBundle config = mCarrierConfigManager.getConfigForSubId(mSubId);
if (config != null) {
return config;
}
// Return static default defined in CarrierConfigManager.
return CarrierConfigManager.getDefaultConfig();
}
protected void logd(String msg) {
Log.d(getName(), "[" + mSubId + "] " + msg);
}
/**
* Gets a title id for disclaimer item.
*
* @return Title id for disclaimer item.
*/
protected abstract int getTitleId();
/**
* Gets a message id for disclaimer item.
*
* @return Message id for disclaimer item.
*/
protected abstract int getMessageId();
/**
* Gets a name of disclaimer item.
*
* @return Name of disclaimer item.
*/
protected abstract String getName();
/**
* Gets a preference key to keep user's consent.
*
* @return Preference key to keep user's consent.
*/
protected abstract String getPrefKey();
/**
* Gets the boolean value from shared preferences.
*
* @param key The key for the preference item.
* @param defValue Value to return if this preference does not exist.
* @return The boolean value of corresponding key, or defValue.
*/
private boolean getBooleanSharedPrefs(String key, boolean defValue) {
SharedPreferences prefs = mContext.getSharedPreferences(SHARED_PREFERENCES_NAME,
Context.MODE_PRIVATE);
return prefs.getBoolean(key + mSubId, defValue);
}
/**
* Sets the boolean value to shared preferences.
*
* @param key The key for the preference item.
* @param value The value to be set for shared preferences.
*/
private void setBooleanSharedPrefs(String key, boolean value) {
SharedPreferences prefs = mContext.getSharedPreferences(SHARED_PREFERENCES_NAME,
Context.MODE_PRIVATE);
prefs.edit().putBoolean(key + mSubId, value).apply();
}
}
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