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/*
* Copyright (C) 2020 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 android.service.quickaccesswallet;
import android.annotation.NonNull;
import android.graphics.Bitmap;
import android.graphics.drawable.Icon;
import android.os.Handler;
import android.os.RemoteException;
import android.text.TextUtils;
import android.util.Log;
/**
* Handles response from the {@link QuickAccessWalletService} for {@link GetWalletCardsRequest}
*
* @hide
*/
final class GetWalletCardsCallbackImpl implements GetWalletCardsCallback {
private static final String TAG = "QAWalletCallback";
private final IQuickAccessWalletServiceCallbacks mCallback;
private final GetWalletCardsRequest mRequest;
private final Handler mHandler;
private boolean mCalled;
GetWalletCardsCallbackImpl(GetWalletCardsRequest request,
IQuickAccessWalletServiceCallbacks callback, Handler handler) {
mRequest = request;
mCallback = callback;
mHandler = handler;
}
/**
* Notifies the Android System that an {@link QuickAccessWalletService#onWalletCardsRequested}
* was successfully handled by the service.
*
* @param response The response contains the list of {@link WalletCard walletCards} to be shown
* to the user as well as the index of the card that should initially be
* presented as the selected card.
*/
public void onSuccess(@NonNull GetWalletCardsResponse response) {
if (isValidResponse(response)) {
mHandler.post(() -> onSuccessInternal(response));
} else {
Log.w(TAG, "Invalid GetWalletCards response");
mHandler.post(() -> onFailureInternal(new GetWalletCardsError(null, null)));
}
}
/**
* Notifies the Android System that an {@link QuickAccessWalletService#onWalletCardsRequested}
* could not be handled by the service.
*
* @param error The error message. <b>Note: </b> this message should <b>not</b> contain PII
* (Personally Identifiable Information, such as username or email address).
* @throws IllegalStateException if this method or {@link #onSuccess} was already called.
*/
public void onFailure(@NonNull GetWalletCardsError error) {
mHandler.post(() -> onFailureInternal(error));
}
private void onSuccessInternal(GetWalletCardsResponse response) {
if (mCalled) {
Log.w(TAG, "already called");
return;
}
mCalled = true;
try {
mCallback.onGetWalletCardsSuccess(response);
} catch (RemoteException e) {
Log.w(TAG, "Error returning wallet cards", e);
}
}
private void onFailureInternal(GetWalletCardsError error) {
if (mCalled) {
Log.w(TAG, "already called");
return;
}
mCalled = true;
try {
mCallback.onGetWalletCardsFailure(error);
} catch (RemoteException e) {
Log.e(TAG, "Error returning failure message", e);
}
}
private boolean isValidResponse(@NonNull GetWalletCardsResponse response) {
if (response == null) {
Log.w(TAG, "Invalid response: response is null");
return false;
}
if (response.getWalletCards() == null) {
Log.w(TAG, "Invalid response: walletCards is null");
return false;
}
if (response.getSelectedIndex() < 0) {
Log.w(TAG, "Invalid response: selectedIndex is negative");
return false;
}
if (!response.getWalletCards().isEmpty()
&& response.getSelectedIndex() >= response.getWalletCards().size()) {
Log.w(TAG, "Invalid response: selectedIndex out of bounds");
return false;
}
if (response.getWalletCards().size() > mRequest.getMaxCards()) {
Log.w(TAG, "Invalid response: too many cards");
return false;
}
for (WalletCard walletCard : response.getWalletCards()) {
if (walletCard == null) {
Log.w(TAG, "Invalid response: card is null");
return false;
}
if (walletCard.getCardId() == null) {
Log.w(TAG, "Invalid response: cardId is null");
return false;
}
Icon cardImage = walletCard.getCardImage();
if (cardImage == null) {
Log.w(TAG, "Invalid response: cardImage is null");
return false;
}
if (cardImage.getType() == Icon.TYPE_BITMAP
&& cardImage.getBitmap().getConfig() != Bitmap.Config.HARDWARE) {
Log.w(TAG, "Invalid response: cardImage bitmaps must be hardware bitmaps");
return false;
}
if (TextUtils.isEmpty(walletCard.getContentDescription())) {
Log.w(TAG, "Invalid response: contentDescription is null");
return false;
}
if (walletCard.getPendingIntent() == null) {
Log.w(TAG, "Invalid response: pendingIntent is null");
return false;
}
}
return true;
}
}
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