| /* |
| * 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.hardware.sidekick; |
| |
| |
| /** |
| * Sidekick local system service interface. |
| * |
| * @hide Only for use within the system server, and maybe by Clockwork Home. |
| */ |
| public abstract class SidekickInternal { |
| |
| /** |
| * Tell Sidekick to reset back to newly-powered-on state. |
| * |
| * @return true on success (Sidekick is reset), false if Sidekick is not |
| * available (failed or not present). Either way, upon return Sidekick is |
| * guaranteed not to be controlling the display. |
| */ |
| public abstract boolean reset(); |
| |
| /** |
| * Tell Sidekick it can start controlling the display. |
| * |
| * SidekickServer may choose not to actually control the display, if it's been told |
| * via other channels to leave the previous image on the display (same as SUSPEND in |
| * a non-Sidekick system). |
| * |
| * @param displayState - one of Display.STATE_DOZE_SUSPEND, Display.STATE_ON_SUSPEND |
| * @return true on success, false on failure (no sidekick available) |
| */ |
| public abstract boolean startDisplayControl(int displayState); |
| |
| /** |
| * Tell Sidekick it must stop controlling the display. |
| * |
| * No return code because this must always succeed - after return, Sidekick |
| * is guaranteed to not be controlling the display. |
| */ |
| public abstract void endDisplayControl(); |
| |
| } |