Sean Pont | 72fc25f | 2020-02-11 19:02:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2020 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.service.quickaccesswallet; |
| 18 | |
| 19 | import android.annotation.NonNull; |
| 20 | import android.graphics.Bitmap; |
| 21 | import android.graphics.drawable.Icon; |
| 22 | import android.os.Handler; |
| 23 | import android.os.RemoteException; |
| 24 | import android.text.TextUtils; |
| 25 | import android.util.Log; |
| 26 | |
| 27 | import java.util.List; |
| 28 | |
| 29 | /** |
| 30 | * Handles response from the {@link QuickAccessWalletService} for {@link GetWalletCardsRequest} |
| 31 | * |
| 32 | * @hide |
| 33 | */ |
| 34 | final class GetWalletCardsCallbackImpl implements GetWalletCardsCallback { |
| 35 | |
| 36 | private static final String TAG = "QAWalletCallback"; |
| 37 | |
| 38 | private final IQuickAccessWalletServiceCallbacks mCallback; |
| 39 | private final GetWalletCardsRequest mRequest; |
| 40 | private final Handler mHandler; |
| 41 | private boolean mCalled; |
| 42 | |
| 43 | GetWalletCardsCallbackImpl(GetWalletCardsRequest request, |
| 44 | IQuickAccessWalletServiceCallbacks callback, Handler handler) { |
| 45 | mRequest = request; |
| 46 | mCallback = callback; |
| 47 | mHandler = handler; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Notifies the Android System that an {@link QuickAccessWalletService#onWalletCardsRequested} |
| 52 | * was successfully handled by the service. |
| 53 | * |
| 54 | * @param response The response contains the list of {@link WalletCard walletCards} to be shown |
| 55 | * to the user as well as the index of the card that should initially be |
| 56 | * presented as the selected card. |
| 57 | */ |
| 58 | public void onSuccess(@NonNull GetWalletCardsResponse response) { |
| 59 | Log.i(TAG, "onSuccess"); |
| 60 | if (isValidResponse(response)) { |
| 61 | mHandler.post(() -> onSuccessInternal(response)); |
| 62 | } else { |
| 63 | Log.w(TAG, "Invalid GetWalletCards response"); |
| 64 | mHandler.post(() -> onFailureInternal(new GetWalletCardsError(null, null))); |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Notifies the Android System that an {@link QuickAccessWalletService#onWalletCardsRequested} |
| 70 | * could not be handled by the service. |
| 71 | * |
| 72 | * @param error The error message. <b>Note: </b> this message should <b>not</b> contain PII |
| 73 | * (Personally Identifiable Information, such as username or email address). |
| 74 | * @throws IllegalStateException if this method or {@link #onSuccess} was already called. |
| 75 | */ |
| 76 | public void onFailure(@NonNull GetWalletCardsError error) { |
| 77 | mHandler.post(() -> onFailureInternal(error)); |
| 78 | } |
| 79 | |
| 80 | private void onSuccessInternal(GetWalletCardsResponse response) { |
| 81 | Log.i(TAG, "onSuccessInternal"); |
| 82 | if (mCalled) { |
| 83 | Log.w(TAG, "already called"); |
| 84 | return; |
| 85 | } |
| 86 | mCalled = true; |
| 87 | try { |
| 88 | mCallback.onGetWalletCardsSuccess(response); |
| 89 | Log.i(TAG, "onSuccessInternal: returned response"); |
| 90 | } catch (RemoteException e) { |
| 91 | Log.w(TAG, "Error returning wallet cards", e); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | private void onFailureInternal(GetWalletCardsError error) { |
| 96 | if (mCalled) { |
| 97 | Log.w(TAG, "already called"); |
| 98 | return; |
| 99 | } |
| 100 | mCalled = true; |
| 101 | try { |
| 102 | mCallback.onGetWalletCardsFailure(error); |
| 103 | } catch (RemoteException e) { |
| 104 | Log.e(TAG, "Error returning failure message", e); |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | private boolean isValidResponse(@NonNull GetWalletCardsResponse response) { |
| 109 | return response != null |
| 110 | && response.getWalletCards() != null |
| 111 | && response.getSelectedIndex() >= 0 |
| 112 | && (response.getWalletCards().isEmpty() // selectedIndex may be 0 when list is empty |
| 113 | || response.getSelectedIndex() < response.getWalletCards().size()) |
| 114 | && response.getWalletCards().size() < mRequest.getMaxCards() |
| 115 | && areValidCards(response.getWalletCards()); |
| 116 | } |
| 117 | |
| 118 | private boolean areValidCards(List<WalletCard> walletCards) { |
| 119 | for (WalletCard walletCard : walletCards) { |
| 120 | if (walletCard == null |
| 121 | || walletCard.getCardId() == null |
| 122 | || walletCard.getCardImage() == null |
| 123 | || TextUtils.isEmpty(walletCard.getContentDescription()) |
| 124 | || walletCard.getPendingIntent() == null) { |
| 125 | return false; |
| 126 | } |
| 127 | Icon cardImage = walletCard.getCardImage(); |
| 128 | if (cardImage.getType() == Icon.TYPE_BITMAP |
| 129 | && walletCard.getCardImage().getBitmap().getConfig() |
| 130 | != Bitmap.Config.HARDWARE) { |
| 131 | Log.w(TAG, "WalletCard bitmaps should be hardware bitmaps"); |
| 132 | } |
| 133 | } |
| 134 | return true; |
| 135 | } |
| 136 | } |