| /* |
| * Copyright (C) 2021 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 com.android.server.wm; |
| |
| import android.annotation.IntDef; |
| import android.annotation.Nullable; |
| import android.app.ActivityOptions; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ResolveInfo; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| /** |
| * Callback to intercept activity starts and possibly block/redirect them. |
| */ |
| public abstract class ActivityInterceptorCallback { |
| /** |
| * Intercept the launch intent based on various signals. If an interception happened, returns |
| * a new/existing non-null {@link Intent} which may redirect to another activity. |
| * |
| * @return null if no interception occurred, or a non-null intent which replaces the |
| * existing intent. |
| */ |
| public abstract @Nullable Intent intercept(ActivityInterceptorInfo info); |
| |
| /** |
| * The unique id of each interceptor which determines the order it will execute in. |
| */ |
| @IntDef(suffix = { "_ORDERED_ID" }, value = { |
| FIRST_ORDERED_ID, |
| LAST_ORDERED_ID // Update this when adding new ids |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface OrderedId {} |
| |
| /** |
| * The first id, used by the framework to determine the valid range of ids. |
| */ |
| static final int FIRST_ORDERED_ID = 0; |
| |
| /** |
| * The final id, used by the framework to determine the valid range of ids. Update this when |
| * adding new ids. |
| */ |
| static final int LAST_ORDERED_ID = FIRST_ORDERED_ID; |
| |
| /** |
| * Data class for storing the various arguments needed for activity interception. |
| */ |
| public static final class ActivityInterceptorInfo { |
| public final int realCallingUid; |
| public final int realCallingPid; |
| public final int userId; |
| public final String callingPackage; |
| public final String callingFeatureId; |
| public final Intent intent; |
| public final ResolveInfo rInfo; |
| public final ActivityInfo aInfo; |
| public final String resolvedType; |
| public final int callingPid; |
| public final int callingUid; |
| public final ActivityOptions checkedOptions; |
| |
| public ActivityInterceptorInfo(int realCallingUid, int realCallingPid, int userId, |
| String callingPackage, String callingFeatureId, Intent intent, |
| ResolveInfo rInfo, ActivityInfo aInfo, String resolvedType, int callingPid, |
| int callingUid, ActivityOptions checkedOptions) { |
| this.realCallingUid = realCallingUid; |
| this.realCallingPid = realCallingPid; |
| this.userId = userId; |
| this.callingPackage = callingPackage; |
| this.callingFeatureId = callingFeatureId; |
| this.intent = intent; |
| this.rInfo = rInfo; |
| this.aInfo = aInfo; |
| this.resolvedType = resolvedType; |
| this.callingPid = callingPid; |
| this.callingUid = callingUid; |
| this.checkedOptions = checkedOptions; |
| } |
| } |
| } |