/*
|
* Copyright (C) 2015 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 com.android.settings.development;
|
|
import android.content.Context;
|
import android.content.res.Resources;
|
import android.hardware.display.DisplayManager;
|
import android.hardware.display.DisplayManager.DisplayListener;
|
import android.os.Handler;
|
import android.os.Looper;
|
import android.util.AttributeSet;
|
import android.view.Display;
|
|
import androidx.preference.SwitchPreference;
|
|
import com.android.settings.R;
|
|
import java.util.ArrayList;
|
import java.util.List;
|
|
public class ColorModePreference extends SwitchPreference implements DisplayListener {
|
|
private DisplayManager mDisplayManager;
|
private Display mDisplay;
|
|
private int mCurrentIndex;
|
private List<ColorModeDescription> mDescriptions;
|
|
public static List<ColorModeDescription> getColorModeDescriptions(Context context) {
|
|
List<ColorModeDescription> colorModeDescriptions = new ArrayList<>();
|
Resources resources = context.getResources();
|
int[] colorModes = resources.getIntArray(R.array.color_mode_ids);
|
String[] titles = resources.getStringArray(R.array.color_mode_names);
|
String[] descriptions = resources.getStringArray(R.array.color_mode_descriptions);
|
// Map the resource information describing color modes.
|
for (int i = 0; i < colorModes.length; i++) {
|
if (colorModes[i] != -1 && i != 1 /* Skip Natural for now. */) {
|
ColorModeDescription desc = new ColorModeDescription();
|
desc.colorMode = colorModes[i];
|
desc.title = titles[i];
|
desc.summary = descriptions[i];
|
colorModeDescriptions.add(desc);
|
}
|
}
|
|
return colorModeDescriptions;
|
}
|
|
public ColorModePreference(Context context, AttributeSet attrs) {
|
super(context, attrs);
|
mDisplayManager = getContext().getSystemService(DisplayManager.class);
|
}
|
|
public int getColorModeCount() {
|
return mDescriptions.size();
|
}
|
|
public void startListening() {
|
mDisplayManager.registerDisplayListener(this, new Handler(Looper.getMainLooper()));
|
}
|
|
public void stopListening() {
|
mDisplayManager.unregisterDisplayListener(this);
|
}
|
|
@Override
|
public void onDisplayAdded(int displayId) {
|
if (displayId == Display.DEFAULT_DISPLAY) {
|
updateCurrentAndSupported();
|
}
|
}
|
|
@Override
|
public void onDisplayChanged(int displayId) {
|
if (displayId == Display.DEFAULT_DISPLAY) {
|
updateCurrentAndSupported();
|
}
|
}
|
|
@Override
|
public void onDisplayRemoved(int displayId) {
|
}
|
|
public void updateCurrentAndSupported() {
|
mDisplay = mDisplayManager.getDisplay(Display.DEFAULT_DISPLAY);
|
|
mDescriptions = getColorModeDescriptions(getContext());
|
|
int currentColorMode = mDisplay.getColorMode();
|
mCurrentIndex = -1;
|
for (int i = 0; i < mDescriptions.size(); i++) {
|
if (mDescriptions.get(i).colorMode == currentColorMode) {
|
mCurrentIndex = i;
|
break;
|
}
|
}
|
setChecked(mCurrentIndex == 1);
|
}
|
|
@Override
|
protected boolean persistBoolean(boolean value) {
|
// Right now this is a switch, so we only support two modes.
|
if (mDescriptions.size() == 2) {
|
ColorModeDescription desc = mDescriptions.get(value ? 1 : 0);
|
|
mDisplay.requestColorMode(desc.colorMode);
|
mCurrentIndex = mDescriptions.indexOf(desc);
|
}
|
|
return true;
|
}
|
|
private static class ColorModeDescription {
|
private int colorMode;
|
private String title;
|
private String summary;
|
}
|
}
|
