| /* |
| * 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.app.timezone; |
| |
| import android.app.timezone.ICallback; |
| import android.app.timezone.RulesState; |
| import android.os.ParcelFileDescriptor; |
| |
| /** |
| * Interface to the TimeZone Rules Manager Service. |
| * |
| * <p>This interface is only intended for system apps to call. They should use the |
| * {@link android.app.timezone.RulesManager} class rather than going through this |
| * Binder interface directly. See {@link android.app.timezone.RulesManager} for more complete |
| * documentation. |
| * |
| * {@hide} |
| */ |
| interface IRulesManager { |
| |
| /** |
| * Returns information about the current time zone rules state such as the IANA version of |
| * the system and any currently installed distro. This method is intended to allow clients to |
| * determine if the current state can be improved; for example by passing the information to a |
| * server that may provide a new distro for download. |
| */ |
| RulesState getRulesState(); |
| |
| /** |
| * Requests installation of the supplied distro. The distro must have been checked for integrity |
| * by the caller or have been received via a trusted mechanism. |
| * |
| * @param distroFileDescriptor the file descriptor for the distro |
| * @param checkToken an optional token provided if the install was triggered in response to a |
| * {@link RulesUpdaterContract#ACTION_TRIGGER_RULES_UPDATE_CHECK} intent |
| * @param callback the {@link ICallback} to receive callbacks related to the |
| * installation |
| * @return zero if the installation will be attempted; nonzero on error |
| */ |
| int requestInstall(in ParcelFileDescriptor distroFileDescriptor, in byte[] checkToken, |
| ICallback callback); |
| |
| /** |
| * Requests uninstallation of the currently installed distro (leaving the device with no |
| * distro installed). |
| * |
| * @param checkToken an optional token provided if the uninstall was triggered in response to a |
| * {@link RulesUpdaterContract#ACTION_TRIGGER_RULES_UPDATE_CHECK} intent |
| * @param callback the {@link ICallback} to receive callbacks related to the |
| * uninstall |
| * @return zero if the uninstallation will be attempted; nonzero on error |
| */ |
| int requestUninstall(in byte[] checkToken, ICallback callback); |
| |
| /** |
| * Requests the system does not modify the currently installed time zone distro, if any. This |
| * method records the fact that a time zone check operation triggered by the system is now |
| * complete and there was nothing to do. The token passed should be the one presented when the |
| * check was triggered. |
| * |
| * <p>Note: Passing {@code success == false} may result in more checks being triggered. Clients |
| * should be careful not to pass false if the failure is unlikely to resolve by itself. |
| * |
| * @param checkToken an optional token provided if the install was triggered in response to a |
| * {@link RulesUpdaterContract#ACTION_TRIGGER_RULES_UPDATE_CHECK} intent |
| * @param success true if the check was successful, false if it was not successful but may |
| * succeed if it is retried |
| */ |
| void requestNothing(in byte[] token, boolean success); |
| } |