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/*
* 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.tv.settings.system.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 com.android.tv.settings.R;
import com.android.tv.settings.widget.SwitchWithSoundPreference;
import java.util.ArrayList;
public class ColorModePreference extends SwitchWithSoundPreference implements DisplayListener {
private DisplayManager mDisplayManager;
private Display mDisplay;
private int mCurrentIndex;
private ArrayList<ColorModeDescription> mDescriptions;
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 = new ArrayList<>();
Resources resources = getContext().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];
mDescriptions.add(desc);
}
}
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;
}
}
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