97 lines
3.0 KiB
Java
97 lines
3.0 KiB
Java
/*
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* Copyright (C) 2015 The CyanogenMod 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 org.cyanogenmod.hardware;
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import android.util.Log;
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import cyanogenmod.hardware.DisplayMode;
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/*
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* Display Modes API
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*
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* A device may implement a list of preset display modes for different
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* viewing intents, such as movies, photos, or extra vibrance. These
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* modes may have multiple components such as gamma correction, white
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* point adjustment, etc, but are activated by a single control point.
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*
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* This API provides support for enumerating and selecting the
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* modes supported by the hardware.
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*/
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public class DisplayModeControl {
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private static final boolean sHasNativeSupport =
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LiveDisplayVendorImpl.hasNativeFeature(LiveDisplayVendorImpl.DISPLAY_MODES);
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/*
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* All HAF classes should export this boolean.
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* Real implementations must, of course, return true
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*/
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public static boolean isSupported() {
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return sHasNativeSupport;
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}
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/*
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* Get the list of available modes. A mode has an integer
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* identifier and a string name.
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*
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* It is the responsibility of the upper layers to
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* map the name to a human-readable format or perform translation.
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*/
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public static DisplayMode[] getAvailableModes() {
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if (!sHasNativeSupport) {
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return new DisplayMode[0];
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}
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return LiveDisplayVendorImpl.native_getDisplayModes();
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}
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/*
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* Get the name of the currently selected mode. This can return
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* null if no mode is selected.
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*/
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public static DisplayMode getCurrentMode() {
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if (!sHasNativeSupport) {
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return null;
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}
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return LiveDisplayVendorImpl.native_getCurrentDisplayMode();
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}
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/*
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* Selects a mode from the list of available modes by it's
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* string identifier. Returns true on success, false for
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* failure. It is up to the implementation to determine
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* if this mode is valid.
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*/
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public static boolean setMode(DisplayMode mode, boolean makeDefault) {
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if (!sHasNativeSupport) {
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return false;
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}
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return LiveDisplayVendorImpl.native_setDisplayMode(mode, makeDefault);
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}
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/*
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* Gets the preferred default mode for this device by it's
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* string identifier. Can return null if there is no default.
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*/
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public static DisplayMode getDefaultMode() {
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if (!sHasNativeSupport) {
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return null;
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}
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return LiveDisplayVendorImpl.native_getDefaultDisplayMode();
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}
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}
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