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/*
* Copyright (C) 2017 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 android.content.pm;
import android.annotation.NonNull;
import android.annotation.RequiresPermission;
import android.annotation.SystemApi;
import android.content.ComponentName;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.os.RemoteException;
import android.os.UserHandle;
import android.os.UserManager;
import com.android.internal.R;
import com.android.internal.util.UserIcons;
import java.util.List;
/**
* Class for handling cross profile operations. Apps can use this class to interact with its
* instance in any profile that is in {@link #getTargetUserProfiles()}. For example, app can
* use this class to start its main activity in managed profile.
*/
public class CrossProfileApps {
private final Context mContext;
private final ICrossProfileApps mService;
private final UserManager mUserManager;
private final Resources mResources;
/** @hide */
public CrossProfileApps(Context context, ICrossProfileApps service) {
mContext = context;
mService = service;
mUserManager = context.getSystemService(UserManager.class);
mResources = context.getResources();
}
/**
* Starts the specified main activity of the caller package in the specified profile.
*
* @param component The ComponentName of the activity to launch, it must be exported and has
* action {@link android.content.Intent#ACTION_MAIN}, category
* {@link android.content.Intent#CATEGORY_LAUNCHER}. Otherwise, SecurityException will
* be thrown.
* @param targetUser The UserHandle of the profile, must be one of the users returned by
* {@link #getTargetUserProfiles()}, otherwise a {@link SecurityException} will
* be thrown.
*/
public void startMainActivity(@NonNull ComponentName component,
@NonNull UserHandle targetUser) {
try {
mService.startActivityAsUser(
mContext.getIApplicationThread(),
mContext.getPackageName(),
component,
targetUser.getIdentifier(),
true);
} catch (RemoteException ex) {
throw ex.rethrowFromSystemServer();
}
}
/**
* Starts the specified activity of the caller package in the specified profile. Unlike
* {@link #startMainActivity}, this can start any activity of the caller package, not just
* the main activity.
* The caller must have the {@link android.Manifest.permission#INTERACT_ACROSS_PROFILES}
* permission and both the caller and target user profiles must be in the same profile group.
*
* @param component The ComponentName of the activity to launch. It must be exported.
* @param targetUser The UserHandle of the profile, must be one of the users returned by
* {@link #getTargetUserProfiles()}, otherwise a {@link SecurityException} will
* be thrown.
* @hide
*/
@SystemApi
@RequiresPermission(android.Manifest.permission.INTERACT_ACROSS_PROFILES)
public void startActivity(@NonNull ComponentName component, @NonNull UserHandle targetUser) {
try {
mService.startActivityAsUser(mContext.getIApplicationThread(),
mContext.getPackageName(), component, targetUser.getIdentifier(), false);
} catch (RemoteException ex) {
throw ex.rethrowFromSystemServer();
}
}
/**
* Return a list of user profiles that that the caller can use when calling other APIs in this
* class.
* <p>
* A user profile would be considered as a valid target user profile, provided that:
* <ul>
* <li>It gets caller app installed</li>
* <li>It is not equal to the calling user</li>
* <li>It is in the same profile group of calling user profile</li>
* <li>It is enabled</li>
* </ul>
*
* @see UserManager#getUserProfiles()
*/
public @NonNull List<UserHandle> getTargetUserProfiles() {
try {
return mService.getTargetUserProfiles(mContext.getPackageName());
} catch (RemoteException ex) {
throw ex.rethrowFromSystemServer();
}
}
/**
* Return a label that calling app can show to user for the semantic of profile switching --
* launching its own activity in specified user profile. For example, it may return
* "Switch to work" if the given user handle is the managed profile one.
*
* @param userHandle The UserHandle of the target profile, must be one of the users returned by
* {@link #getTargetUserProfiles()}, otherwise a {@link SecurityException} will
* be thrown.
* @return a label that calling app can show user for the semantic of launching its own
* activity in the specified user profile.
*
* @see #startMainActivity(ComponentName, UserHandle)
*/
public @NonNull CharSequence getProfileSwitchingLabel(@NonNull UserHandle userHandle) {
verifyCanAccessUser(userHandle);
final int stringRes = mUserManager.isManagedProfile(userHandle.getIdentifier())
? R.string.managed_profile_label
: R.string.user_owner_label;
return mResources.getString(stringRes);
}
/**
* Return a drawable that calling app can show to user for the semantic of profile switching --
* launching its own activity in specified user profile. For example, it may return a briefcase
* icon if the given user handle is the managed profile one.
*
* @param userHandle The UserHandle of the target profile, must be one of the users returned by
* {@link #getTargetUserProfiles()}, otherwise a {@link SecurityException} will
* be thrown.
* @return an icon that calling app can show user for the semantic of launching its own
* activity in specified user profile.
*
* @see #startMainActivity(ComponentName, UserHandle)
*/
public @NonNull Drawable getProfileSwitchingIconDrawable(@NonNull UserHandle userHandle) {
verifyCanAccessUser(userHandle);
final boolean isManagedProfile =
mUserManager.isManagedProfile(userHandle.getIdentifier());
if (isManagedProfile) {
return mResources.getDrawable(R.drawable.ic_corp_badge, null);
} else {
return UserIcons.getDefaultUserIcon(
mResources, UserHandle.USER_SYSTEM, true /* light */);
}
}
private void verifyCanAccessUser(UserHandle userHandle) {
if (!getTargetUserProfiles().contains(userHandle)) {
throw new SecurityException("Not allowed to access " + userHandle);
}
}
}
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