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package org.citra.citra_emu.utils;
import android.app.Activity;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import android.widget.Toast;
import com.android.billingclient.api.AcknowledgePurchaseParams;
import com.android.billingclient.api.AcknowledgePurchaseResponseListener;
import com.android.billingclient.api.BillingClient;
import com.android.billingclient.api.BillingClientStateListener;
import com.android.billingclient.api.BillingFlowParams;
import com.android.billingclient.api.BillingResult;
import com.android.billingclient.api.Purchase;
import com.android.billingclient.api.Purchase.PurchasesResult;
import com.android.billingclient.api.PurchasesUpdatedListener;
import com.android.billingclient.api.SkuDetails;
import com.android.billingclient.api.SkuDetailsParams;
import org.citra.citra_emu.CitraApplication;
import org.citra.citra_emu.R;
import org.citra.citra_emu.features.settings.utils.SettingsFile;
import org.citra.citra_emu.ui.main.MainActivity;
import java.util.ArrayList;
import java.util.List;
public class BillingManager implements PurchasesUpdatedListener {
private final String BILLING_SKU_PREMIUM = "citra.citra_emu.product_id.premium";
private final Activity mActivity;
private BillingClient mBillingClient;
private SkuDetails mSkuPremium;
private boolean mIsPremiumActive = false;
private boolean mIsServiceConnected = false;
private Runnable mUpdateBillingCallback;
private static SharedPreferences mPreferences = PreferenceManager.getDefaultSharedPreferences(CitraApplication.getAppContext());
public BillingManager(Activity activity) {
mActivity = activity;
mBillingClient = BillingClient.newBuilder(mActivity).enablePendingPurchases().setListener(this).build();
querySkuDetails();
}
static public boolean isPremiumCached() {
return mPreferences.getBoolean(SettingsFile.KEY_PREMIUM, false);
}
/**
* @return true if Premium subscription is currently active
*/
public boolean isPremiumActive() {
return mIsPremiumActive;
}
/**
* Invokes the billing flow for Premium
*
* @param callback Optional callback, called once, on completion of billing
*/
public void invokePremiumBilling(Runnable callback) {
if (mSkuPremium == null) {
return;
}
// Optional callback to refresh the UI for the caller when billing completes
mUpdateBillingCallback = callback;
// Invoke the billing flow
BillingFlowParams flowParams = BillingFlowParams.newBuilder()
.setSkuDetails(mSkuPremium)
.build();
mBillingClient.launchBillingFlow(mActivity, flowParams);
}
private void updatePremiumState(boolean isPremiumActive) {
mIsPremiumActive = isPremiumActive;
// Cache state for synchronous UI
SharedPreferences.Editor editor = mPreferences.edit();
editor.putBoolean(SettingsFile.KEY_PREMIUM, isPremiumActive);
editor.apply();
// No need to show button in action bar if Premium is active
MainActivity.setPremiumButtonVisible(!isPremiumActive);
}
@Override
public void onPurchasesUpdated(BillingResult billingResult, List<Purchase> purchaseList) {
if (purchaseList == null || purchaseList.isEmpty()) {
// Premium is not active, or billing is unavailable
updatePremiumState(false);
return;
}
Purchase premiumPurchase = null;
for (Purchase purchase : purchaseList) {
if (purchase.getSku().equals(BILLING_SKU_PREMIUM)) {
premiumPurchase = purchase;
}
}
if (premiumPurchase != null && premiumPurchase.getPurchaseState() == Purchase.PurchaseState.PURCHASED) {
// Premium has been purchased
updatePremiumState(true);
// Acknowledge the purchase if it hasn't already been acknowledged.
if (!premiumPurchase.isAcknowledged()) {
AcknowledgePurchaseParams acknowledgePurchaseParams =
AcknowledgePurchaseParams.newBuilder()
.setPurchaseToken(premiumPurchase.getPurchaseToken())
.build();
AcknowledgePurchaseResponseListener acknowledgePurchaseResponseListener = billingResult1 -> {
Toast.makeText(mActivity, R.string.premium_settings_welcome, Toast.LENGTH_SHORT).show();
};
mBillingClient.acknowledgePurchase(acknowledgePurchaseParams, acknowledgePurchaseResponseListener);
}
if (mUpdateBillingCallback != null) {
try {
mUpdateBillingCallback.run();
} catch (Exception e) {
e.printStackTrace();
}
mUpdateBillingCallback = null;
}
}
}
private void onQuerySkuDetailsFinished(List<SkuDetails> skuDetailsList) {
if (skuDetailsList == null) {
// This can happen when no user is signed in
return;
}
if (skuDetailsList.isEmpty()) {
return;
}
mSkuPremium = skuDetailsList.get(0);
queryPurchases();
}
private void querySkuDetails() {
Runnable queryToExecute = new Runnable() {
@Override
public void run() {
SkuDetailsParams.Builder params = SkuDetailsParams.newBuilder();
List<String> skuList = new ArrayList<>();
skuList.add(BILLING_SKU_PREMIUM);
params.setSkusList(skuList).setType(BillingClient.SkuType.INAPP);
mBillingClient.querySkuDetailsAsync(params.build(),
(billingResult, skuDetailsList) -> onQuerySkuDetailsFinished(skuDetailsList));
}
};
executeServiceRequest(queryToExecute);
}
private void onQueryPurchasesFinished(PurchasesResult result) {
// Have we been disposed of in the meantime? If so, or bad result code, then quit
if (mBillingClient == null || result.getResponseCode() != BillingClient.BillingResponseCode.OK) {
updatePremiumState(false);
return;
}
// Update the UI and purchases inventory with new list of purchases
onPurchasesUpdated(result.getBillingResult(), result.getPurchasesList());
}
private void queryPurchases() {
Runnable queryToExecute = new Runnable() {
@Override
public void run() {
final PurchasesResult purchasesResult = mBillingClient.queryPurchases(BillingClient.SkuType.INAPP);
onQueryPurchasesFinished(purchasesResult);
}
};
executeServiceRequest(queryToExecute);
}
private void startServiceConnection(final Runnable executeOnFinish) {
mBillingClient.startConnection(new BillingClientStateListener() {
@Override
public void onBillingSetupFinished(BillingResult billingResult) {
if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK) {
mIsServiceConnected = true;
}
if (executeOnFinish != null) {
executeOnFinish.run();
}
}
@Override
public void onBillingServiceDisconnected() {
mIsServiceConnected = false;
}
});
}
private void executeServiceRequest(Runnable runnable) {
if (mIsServiceConnected) {
runnable.run();
} else {
// If billing service was disconnected, we try to reconnect 1 time.
startServiceConnection(runnable);
}
}
}
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