| /* |
| * Copyright (C) 2019 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.systemui; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| |
| import java.util.List; |
| |
| /** |
| * Contains useful methods for querying properties of an Activity Intent. |
| */ |
| public class ActivityIntentHelper { |
| |
| private final Context mContext; |
| |
| public ActivityIntentHelper(Context context) { |
| mContext = context; |
| } |
| |
| /** |
| * Determines if sending the given intent would result in starting an Intent resolver activity, |
| * instead of resolving to a specific component. |
| * |
| * @param intent the intent |
| * @param currentUserId the id for the user to resolve as |
| * @return true if the intent would launch a resolver activity |
| */ |
| public boolean wouldLaunchResolverActivity(Intent intent, int currentUserId) { |
| ActivityInfo targetActivityInfo = getTargetActivityInfo(intent, currentUserId, |
| false /* onlyDirectBootAware */); |
| return targetActivityInfo == null; |
| } |
| |
| /** |
| * Returns info about the target Activity of a given intent, or null if the intent does not |
| * resolve to a specific component meeting the requirements. |
| * |
| * @param onlyDirectBootAware a boolean indicating whether the matched activity packages must |
| * be direct boot aware when in direct boot mode if false, all packages are considered |
| * a match even if they are not aware. |
| * @return the target activity info of the intent it resolves to a specific package or |
| * {@code null} if it resolved to the resolver activity |
| */ |
| public ActivityInfo getTargetActivityInfo(Intent intent, int currentUserId, |
| boolean onlyDirectBootAware) { |
| PackageManager packageManager = mContext.getPackageManager(); |
| int flags = PackageManager.MATCH_DEFAULT_ONLY; |
| if (!onlyDirectBootAware) { |
| flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE |
| | PackageManager.MATCH_DIRECT_BOOT_UNAWARE; |
| } |
| final List<ResolveInfo> appList = packageManager.queryIntentActivitiesAsUser( |
| intent, flags, currentUserId); |
| if (appList.size() == 0) { |
| return null; |
| } |
| ResolveInfo resolved = packageManager.resolveActivityAsUser(intent, |
| flags | PackageManager.GET_META_DATA, currentUserId); |
| if (resolved == null || wouldLaunchResolverActivity(resolved, appList)) { |
| return null; |
| } else { |
| return resolved.activityInfo; |
| } |
| } |
| |
| /** |
| * Determines if the given intent resolves to an Activity which is allowed to appear above |
| * the lock screen. |
| * |
| * @param intent the intent to resolve |
| * @return true if the launched Activity would appear above the lock screen |
| */ |
| public boolean wouldShowOverLockscreen(Intent intent, int currentUserId) { |
| ActivityInfo targetActivityInfo = getTargetActivityInfo(intent, |
| currentUserId, false /* onlyDirectBootAware */); |
| return targetActivityInfo != null |
| && (targetActivityInfo.flags & (ActivityInfo.FLAG_SHOW_WHEN_LOCKED |
| | ActivityInfo.FLAG_SHOW_FOR_ALL_USERS)) > 0; |
| } |
| |
| /** |
| * Determines if sending the given intent would result in starting an Intent resolver activity, |
| * instead of resolving to a specific component. |
| * |
| * @param resolved the resolveInfo for the intent as returned by resolveActivityAsUser |
| * @param appList a list of resolveInfo as returned by queryIntentActivitiesAsUser |
| * @return true if the intent would launch a resolver activity |
| */ |
| public boolean wouldLaunchResolverActivity(ResolveInfo resolved, List<ResolveInfo> appList) { |
| // If the list contains the above resolved activity, then it can't be |
| // ResolverActivity itself. |
| for (int i = 0; i < appList.size(); i++) { |
| ResolveInfo tmp = appList.get(i); |
| if (tmp.activityInfo.name.equals(resolved.activityInfo.name) |
| && tmp.activityInfo.packageName.equals(resolved.activityInfo.packageName)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| } |