1 /* 2 * Copyright 2017 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.app.servertransaction; 18 19 import static android.app.servertransaction.ActivityLifecycleItem.ON_RESUME; 20 import static android.app.servertransaction.ActivityLifecycleItem.UNDEFINED; 21 import static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER; 22 23 import android.annotation.NonNull; 24 import android.annotation.Nullable; 25 import android.app.ActivityThread.ActivityClientRecord; 26 import android.app.ClientTransactionHandler; 27 import android.app.ResultInfo; 28 import android.app.compat.CompatChanges; 29 import android.compat.annotation.ChangeId; 30 import android.compat.annotation.EnabledAfter; 31 import android.compat.annotation.UnsupportedAppUsage; 32 import android.os.Build; 33 import android.os.IBinder; 34 import android.os.Parcel; 35 import android.os.Parcelable; 36 import android.os.Trace; 37 38 import java.util.ArrayList; 39 import java.util.List; 40 import java.util.Objects; 41 42 /** 43 * Activity result delivery callback. 44 * 45 * @hide 46 */ 47 public class ActivityResultItem extends ActivityTransactionItem { 48 49 // TODO(b/170729553): Mark this with @NonNull and final once @UnsupportedAppUsage removed. 50 // We cannot do it now to avoid app compatibility regression. 51 @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553) 52 private List<ResultInfo> mResultInfoList; 53 54 /** 55 * Correct the lifecycle of activity result after {@link android.os.Build.VERSION_CODES#S} to 56 * guarantee that an activity gets activity result just before resume. 57 */ 58 @ChangeId 59 @EnabledAfter(targetSdkVersion = Build.VERSION_CODES.S) 60 public static final long CALL_ACTIVITY_RESULT_BEFORE_RESUME = 78294732L; 61 ActivityResultItem(@onNull IBinder activityToken, @NonNull List<ResultInfo> resultInfoList)62 public ActivityResultItem(@NonNull IBinder activityToken, 63 @NonNull List<ResultInfo> resultInfoList) { 64 super(activityToken); 65 mResultInfoList = new ArrayList<>(resultInfoList); 66 } 67 68 @Override getPostExecutionState()69 public int getPostExecutionState() { 70 return CompatChanges.isChangeEnabled(CALL_ACTIVITY_RESULT_BEFORE_RESUME) 71 ? ON_RESUME : UNDEFINED; 72 } 73 74 @Override execute(@onNull ClientTransactionHandler client, @NonNull ActivityClientRecord r, @NonNull PendingTransactionActions pendingActions)75 public void execute(@NonNull ClientTransactionHandler client, @NonNull ActivityClientRecord r, 76 @NonNull PendingTransactionActions pendingActions) { 77 Trace.traceBegin(TRACE_TAG_ACTIVITY_MANAGER, "activityDeliverResult"); 78 client.handleSendResult(r, mResultInfoList, "ACTIVITY_RESULT"); 79 Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER); 80 } 81 82 // Parcelable implementation 83 84 /** Writes to Parcel. */ 85 @Override writeToParcel(@onNull Parcel dest, int flags)86 public void writeToParcel(@NonNull Parcel dest, int flags) { 87 super.writeToParcel(dest, flags); 88 dest.writeTypedList(mResultInfoList, flags); 89 } 90 91 /** Reads from Parcel. */ ActivityResultItem(@onNull Parcel in)92 private ActivityResultItem(@NonNull Parcel in) { 93 super(in); 94 // TODO(b/170729553): Wrap with requireNonNull once @UnsupportedAppUsage removed. 95 mResultInfoList = in.createTypedArrayList(ResultInfo.CREATOR); 96 } 97 98 public static final @NonNull Parcelable.Creator<ActivityResultItem> CREATOR = 99 new Parcelable.Creator<>() { 100 public ActivityResultItem createFromParcel(@NonNull Parcel in) { 101 return new ActivityResultItem(in); 102 } 103 104 public ActivityResultItem[] newArray(int size) { 105 return new ActivityResultItem[size]; 106 } 107 }; 108 109 @Override equals(@ullable Object o)110 public boolean equals(@Nullable Object o) { 111 if (this == o) { 112 return true; 113 } 114 if (!super.equals(o)) { 115 return false; 116 } 117 final ActivityResultItem other = (ActivityResultItem) o; 118 return Objects.equals(mResultInfoList, other.mResultInfoList); 119 } 120 121 @Override hashCode()122 public int hashCode() { 123 int result = 17; 124 result = 31 * result + super.hashCode(); 125 result = 31 * result + Objects.hashCode(mResultInfoList); 126 return result; 127 } 128 129 @Override toString()130 public String toString() { 131 return "ActivityResultItem{" + super.toString() 132 + ",resultInfoList=" + mResultInfoList + "}"; 133 } 134 } 135