Felipe Leme | c8c0a82 | 2018-01-26 15:51:56 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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.autofill; |
| 18 | |
| 19 | import static android.view.autofill.Helper.sDebug; |
| 20 | |
| 21 | import android.annotation.NonNull; |
| 22 | import android.annotation.TestApi; |
Felipe Leme | 27206d7 | 2018-02-14 18:03:32 -0800 | [diff] [blame] | 23 | import android.icu.text.DateFormat; |
Felipe Leme | c8c0a82 | 2018-01-26 15:51:56 -0800 | [diff] [blame] | 24 | import android.os.Parcel; |
| 25 | import android.os.Parcelable; |
| 26 | import android.util.Log; |
| 27 | import android.view.autofill.AutofillId; |
| 28 | import android.view.autofill.AutofillValue; |
| 29 | import android.widget.RemoteViews; |
| 30 | import android.widget.TextView; |
| 31 | |
| 32 | import com.android.internal.util.Preconditions; |
| 33 | |
Felipe Leme | c8c0a82 | 2018-01-26 15:51:56 -0800 | [diff] [blame] | 34 | import java.util.Date; |
| 35 | |
| 36 | /** |
| 37 | * Replaces a {@link TextView} child of a {@link CustomDescription} with the contents of a field |
| 38 | * that is expected to have a {@link AutofillValue#forDate(long) date value}. |
| 39 | * |
| 40 | * <p>For example, a transformation to display a credit card expiration date as month/year would be: |
| 41 | * |
| 42 | * <pre class="prettyprint"> |
| 43 | * new DateTransformation(ccExpDate, new java.text.SimpleDateFormat("MM/yyyy") |
| 44 | * </pre> |
| 45 | */ |
| 46 | public final class DateTransformation extends InternalTransformation implements |
| 47 | Transformation, Parcelable { |
| 48 | private static final String TAG = "DateTransformation"; |
| 49 | |
| 50 | private final AutofillId mFieldId; |
| 51 | private final DateFormat mDateFormat; |
| 52 | |
| 53 | /** |
| 54 | * Creates a new transformation. |
| 55 | * |
| 56 | * @param id id of the screen field. |
| 57 | * @param dateFormat object used to transform the date value of the field to a String. |
| 58 | */ |
| 59 | public DateTransformation(@NonNull AutofillId id, @NonNull DateFormat dateFormat) { |
| 60 | mFieldId = Preconditions.checkNotNull(id); |
| 61 | mDateFormat = Preconditions.checkNotNull(dateFormat); |
| 62 | } |
| 63 | |
| 64 | /** @hide */ |
| 65 | @Override |
| 66 | @TestApi |
| 67 | public void apply(@NonNull ValueFinder finder, @NonNull RemoteViews parentTemplate, |
| 68 | int childViewId) throws Exception { |
| 69 | final AutofillValue value = finder.findRawValueByAutofillId(mFieldId); |
| 70 | if (value == null) { |
| 71 | Log.w(TAG, "No value for id " + mFieldId); |
| 72 | return; |
| 73 | } |
| 74 | if (!value.isDate()) { |
| 75 | Log.w(TAG, "Value for " + mFieldId + " is not date: " + value); |
| 76 | return; |
| 77 | } |
| 78 | |
| 79 | try { |
| 80 | final Date date = new Date(value.getDateValue()); |
| 81 | final String transformed = mDateFormat.format(date); |
| 82 | if (sDebug) Log.d(TAG, "Transformed " + date + " to " + transformed); |
| 83 | |
| 84 | parentTemplate.setCharSequence(childViewId, "setText", transformed); |
| 85 | } catch (Exception e) { |
| 86 | Log.w(TAG, "Could not apply " + mDateFormat + " to " + value + ": " + e); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | ///////////////////////////////////// |
| 91 | // Object "contract" methods. // |
| 92 | ///////////////////////////////////// |
| 93 | @Override |
| 94 | public String toString() { |
| 95 | if (!sDebug) return super.toString(); |
| 96 | |
| 97 | return "DateTransformation: [id=" + mFieldId + ", format=" + mDateFormat + "]"; |
| 98 | } |
| 99 | |
| 100 | ///////////////////////////////////// |
| 101 | // Parcelable "contract" methods. // |
| 102 | ///////////////////////////////////// |
| 103 | @Override |
| 104 | public int describeContents() { |
| 105 | return 0; |
| 106 | } |
| 107 | |
| 108 | @Override |
| 109 | public void writeToParcel(Parcel parcel, int flags) { |
| 110 | parcel.writeParcelable(mFieldId, flags); |
| 111 | parcel.writeSerializable(mDateFormat); |
| 112 | } |
| 113 | |
Jeff Sharkey | 9e8f83d | 2019-02-28 12:06:45 -0700 | [diff] [blame] | 114 | public static final @android.annotation.NonNull Parcelable.Creator<DateTransformation> CREATOR = |
Felipe Leme | c8c0a82 | 2018-01-26 15:51:56 -0800 | [diff] [blame] | 115 | new Parcelable.Creator<DateTransformation>() { |
| 116 | @Override |
| 117 | public DateTransformation createFromParcel(Parcel parcel) { |
| 118 | return new DateTransformation(parcel.readParcelable(null), |
| 119 | (DateFormat) parcel.readSerializable()); |
| 120 | } |
| 121 | |
| 122 | @Override |
| 123 | public DateTransformation[] newArray(int size) { |
| 124 | return new DateTransformation[size]; |
| 125 | } |
| 126 | }; |
| 127 | } |