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/*
* Copyright (C) 2020 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.device.displaysound;
import static android.content.DialogInterface.OnClickListener;
import static android.view.Display.HdrCapabilities.HDR_TYPE_DOLBY_VISION;
import static com.android.tv.settings.device.displaysound.DisplaySoundUtils.createAlertDialog;
import static com.android.tv.settings.device.displaysound.DisplaySoundUtils.disableHdrType;
import static com.android.tv.settings.device.displaysound.DisplaySoundUtils.doesCurrentModeNotSupportDvBecauseLimitedTo4k30;
import static com.android.tv.settings.device.displaysound.DisplaySoundUtils.enableHdrType;
import static com.android.tv.settings.device.displaysound.DisplaySoundUtils.findMode1080p60;
import static com.android.tv.settings.device.displaysound.DisplaySoundUtils.isHdrFormatSupported;
import android.content.Context;
import android.hardware.display.DisplayManager;
import android.hardware.display.HdrConversionMode;
import android.view.Display;
import androidx.preference.Preference;
import androidx.preference.SwitchPreference;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.tv.settings.R;
import java.util.Arrays;
import java.util.Set;
import java.util.stream.Collectors;
/**
* Controller for the hdr formats switch preferences.
*/
public class HdrFormatPreferenceController extends AbstractPreferenceController {
private final int mHdrType;
private final DisplayManager mDisplayManager;
public HdrFormatPreferenceController(
Context context, int hdrType, DisplayManager displayManager) {
super(context);
mHdrType = hdrType;
mDisplayManager = displayManager;
}
@Override
public boolean isAvailable() {
return true;
}
@Override
public String getPreferenceKey() {
return HdrFormatSelectionFragment.KEY_HDR_FORMAT_PREFIX + mHdrType;
}
@Override
public void updateState(Preference preference) {
super.updateState(preference);
if (preference.getKey().equals(getPreferenceKey())) {
preference.setEnabled(getPreferenceEnabledState());
Display.Mode mode = mDisplayManager.getDisplay(Display.DEFAULT_DISPLAY).getMode();
if (!isHdrFormatSupported(mode, mHdrType)) {
((SwitchPreference) preference).setChecked(false);
} else {
((SwitchPreference) preference).setChecked(getPreferenceCheckedState());
}
}
}
@Override
public boolean handlePreferenceTreeClick(Preference preference) {
if (preference.getKey().equals(getPreferenceKey())) {
onPreferenceClicked((SwitchPreference) preference);
}
return super.handlePreferenceTreeClick(preference);
}
/**
* @return checked state of a HDR format switch based displayManager.
*/
private boolean getPreferenceCheckedState() {
if (!mDisplayManager.areUserDisabledHdrTypesAllowed()) {
return !(toSet(mDisplayManager.getUserDisabledHdrTypes()).contains(mHdrType));
}
return true;
}
/** @return true if the format checkboxes should be enabled, i.e. in manual mode. */
private boolean getPreferenceEnabledState() {
return !mDisplayManager.areUserDisabledHdrTypesAllowed();
}
/**
* Handler for when this particular format preference is clicked.
*/
private void onPreferenceClicked(SwitchPreference preference) {
final boolean enabled = preference.isChecked();
if (enabled) {
Display display = mDisplayManager.getDisplay(Display.DEFAULT_DISPLAY);
if (mHdrType == HDR_TYPE_DOLBY_VISION
&& doesCurrentModeNotSupportDvBecauseLimitedTo4k30(display)) {
enableDvAndChangeTo1080p60(display, preference);
} else {
enableHdrType(mDisplayManager, mHdrType);
}
} else {
disableHdrType(mDisplayManager, mHdrType);
// If HDR output type is mHdrType, change the HDR output type. This can happen in 2
// cases:
// mHdrType is selected by implementation in case of AUTO - re-calling
// setHdrConversionMode will handle this as mHdrType is no longer permissible coz of
// setUserDisabledHdrTypes
// mHdrType is selected by user by using FORCE. Change the preferred strategy to AUTO
// and mHdrType is no longer permissible coz of setUserDisabledHdrTypes
if (mDisplayManager.getHdrConversionModeSetting().getPreferredHdrOutputType()
== mHdrType) {
mDisplayManager.setHdrConversionMode(
new HdrConversionMode(HdrConversionMode.HDR_CONVERSION_SYSTEM));
}
}
}
private void enableDvAndChangeTo1080p60(Display display, SwitchPreference preference) {
String dialogDescription =
mContext.getString(
R.string.preferred_dynamic_range_force_dialog_desc_4k30_issue);
String title =
mContext.getString(
R.string.manual_dolby_vision_format_on_4k60_title);
OnClickListener onOkClicked = (dialog, which) -> {
mDisplayManager.setGlobalUserPreferredDisplayMode(findMode1080p60(display));
preference.setChecked(true);
enableHdrType(mDisplayManager, HDR_TYPE_DOLBY_VISION);
dialog.dismiss();
};
OnClickListener onCancelClicked = (dialog, which) -> {
dialog.dismiss();
preference.setChecked(false);
};
createAlertDialog(mContext, title, dialogDescription, onOkClicked, onCancelClicked)
.show();
}
private int[] toArray(Set<Integer> set) {
return set.stream().mapToInt(Integer::intValue).toArray();
}
private Set<Integer> toSet(int[] array) {
return Arrays.stream(array).boxed().collect(Collectors.toSet());
}
}
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