57 lines
1.9 KiB
Java
57 lines
1.9 KiB
Java
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.hardware.sidekick;
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/**
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* Sidekick local system service interface.
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*
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* @hide Only for use within the system server, and maybe by Clockwork Home.
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*/
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public abstract class SidekickInternal {
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/**
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* Tell Sidekick to reset back to newly-powered-on state.
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*
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* @return true on success (Sidekick is reset), false if Sidekick is not
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* available (failed or not present). Either way, upon return Sidekick is
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* guaranteed not to be controlling the display.
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*/
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public abstract boolean reset();
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/**
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* Tell Sidekick it can start controlling the display.
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*
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* SidekickServer may choose not to actually control the display, if it's been told
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* via other channels to leave the previous image on the display (same as SUSPEND in
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* a non-Sidekick system).
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*
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* @param displayState - one of Display.STATE_DOZE_SUSPEND, Display.STATE_ON_SUSPEND
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* @return true on success, false on failure (no sidekick available)
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*/
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public abstract boolean startDisplayControl(int displayState);
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/**
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* Tell Sidekick it must stop controlling the display.
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*
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* No return code because this must always succeed - after return, Sidekick
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* is guaranteed to not be controlling the display.
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*/
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public abstract void endDisplayControl();
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}
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