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/*
* Copyright (C) 2021 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.library.device.display.displaysound;
import static com.android.tv.settings.library.device.display.displaysound.AdvancedVolumeState.KEY_FORMAT_INFO_ON_MANUAL;
import static com.android.tv.settings.library.device.display.displaysound.AdvancedVolumeState.KEY_SUPPORTED_SURROUND_SOUND;
import static com.android.tv.settings.library.device.display.displaysound.AdvancedVolumeState.KEY_SURROUND_SOUND_FORMAT_PREFIX;
import static com.android.tv.settings.library.device.display.displaysound.AdvancedVolumeState.KEY_UNSUPPORTED_SURROUND_SOUND;
import android.annotation.NonNull;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.media.AudioManager;
import android.provider.Settings;
import android.text.TextUtils;
import android.util.Log;
import com.android.tv.settings.library.PreferenceCompat;
import com.android.tv.settings.library.UIUpdateCallback;
import com.android.tv.settings.library.data.PreferenceCompatManager;
import com.android.tv.settings.library.util.AbstractPreferenceController;
import com.android.tv.settings.library.util.ResourcesUtil;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
/**
* Controller for the surround sound switch preference compats.
*/
public class SoundFormatPreferenceController extends AbstractPreferenceController {
private static final String TAG = "SoundFormatController";
private final int mFormatId;
private final Map<Integer, Boolean> mFormats;
private final List<Integer> mReportedFormats;
private final AudioManager mAudioManager;
public SoundFormatPreferenceController(
Context context,
UIUpdateCallback uiUpdateCallback,
int stateIdentifier,
PreferenceCompatManager preferenceCompatManager,
int formatId,
AudioManager audioManager,
@NonNull Map<Integer, Boolean> formats,
@NonNull List<Integer> reportedFormats) {
super(context, uiUpdateCallback, stateIdentifier, preferenceCompatManager);
mFormatId = formatId;
mAudioManager = audioManager;
mFormats = formats;
mReportedFormats = reportedFormats;
}
@Override
protected void init() {
// If the format is not a known surround sound format, do not create a preference
// for it.
String title = AdvancedVolumeState.getFormatDisplayResource(mContext, mFormatId);
mPreferenceCompat.setVisible(!TextUtils.isEmpty(title));
mPreferenceCompat.setTitle(title);
mPreferenceCompat.setType(PreferenceCompat.TYPE_SWITCH);
update();
}
@Override
protected void update() {
mPreferenceCompat.setEnabled(getFormatPreferencesEnabledState());
mPreferenceCompat.setChecked(getFormatPreferenceCheckedState());
}
@Override
public boolean handlePreferenceTreeClick(boolean status) {
// In case of enabling unsupported format, show a warning dialog
if (!isReportedFormat() && status) {
showWarningDialogOnEnableUnsupportedFormat();
} else {
mAudioManager.setSurroundFormatEnabled(mFormatId, status);
}
return true;
}
/**
* @return checked state of a surround sound format switch based on passthrough setting and
* audio manager state for the format.
*/
private boolean getFormatPreferenceCheckedState() {
switch (AdvancedVolumeState.getSurroundPassthroughSettingKey(mContext)) {
case AdvancedVolumeState.KEY_SURROUND_SOUND_AUTO:
return isReportedFormat();
case AdvancedVolumeState.KEY_SURROUND_SOUND_MANUAL:
return getEnabledFormats().contains(mFormatId);
default:
return false;
}
}
private void showWarningDialogOnEnableUnsupportedFormat() {
new AlertDialog.Builder(mContext)
.setTitle(ResourcesUtil.getString(mContext,
"surround_sound_enable_unsupported_dialog_title"))
.setMessage(ResourcesUtil.getString(mContext,
"surround_sound_enable_unsupported_dialog_desc"))
.setPositiveButton(
ResourcesUtil.getString(mContext,
"surround_sound_enable_unsupported_dialog_ok"),
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
mAudioManager.setSurroundFormatEnabled(mFormatId, true);
dialog.dismiss();
}
})
.setNegativeButton(
ResourcesUtil.getString(mContext,
"surround_sound_enable_unsupported_dialog_cancel"),
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
mPreferenceCompat.setChecked(false);
mUIUpdateCallback.notifyUpdate(mStateIdentifier, mPreferenceCompat);
dialog.dismiss();
}
})
.show();
}
/** @return true if the given format is reported by the device. */
private boolean isReportedFormat() {
return mReportedFormats.contains(mFormatId);
}
/** @return the formats that are enabled in global settings */
HashSet<Integer> getEnabledFormats() {
HashSet<Integer> formats = new HashSet<>();
String enabledFormats = Settings.Global.getString(mContext.getContentResolver(),
Settings.Global.ENCODED_SURROUND_OUTPUT_ENABLED_FORMATS);
if (enabledFormats == null) {
// , PreferenceCompatManager preferenceCompatManagerStarting with Android P
// passthrough setting ALWAYS has been replaced with MANUAL.
// In that case all formats will be enabled when in MANUAL mode.
formats.addAll(mFormats.keySet());
} else {
try {
Arrays.stream(TextUtils.split(enabledFormats, ",")).mapToInt(Integer::parseInt)
.forEach(formats::add);
} catch (NumberFormatException e) {
Log.w(TAG, "ENCODED_SURROUND_OUTPUT_ENABLED_FORMATS misformatted.", e);
}
}
return formats;
}
/** @return true if the format checkboxes should be enabled, i.e. in manual mode. */
private boolean getFormatPreferencesEnabledState() {
return AdvancedVolumeState.getSurroundPassthroughSettingKey(mContext)
.equals(AdvancedVolumeState.KEY_SURROUND_SOUND_MANUAL);
}
@Override
public String[] getPreferenceKey() {
String key = KEY_SURROUND_SOUND_FORMAT_PREFIX + mFormatId;
String[] compoundKey = mReportedFormats.contains(mFormatId)
? new String[]{KEY_FORMAT_INFO_ON_MANUAL, KEY_SUPPORTED_SURROUND_SOUND, key}
: new String[]{KEY_FORMAT_INFO_ON_MANUAL, KEY_UNSUPPORTED_SURROUND_SOUND, key};
return compoundKey;
}
public boolean isAvailable() {
return mPreferenceCompat.getVisible() == PreferenceCompat.STATUS_ON;
}
public PreferenceCompat getPreferenceCompat() {
return mPreferenceCompat;
}
}
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