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/*
* Copyright (C) 2022 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.permissioncontroller.safetycenter.ui;
import static android.os.Build.VERSION_CODES.TIRAMISU;
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.RequiresApi;
import androidx.fragment.app.Fragment;
import androidx.preference.PreferenceViewHolder;
import androidx.preference.SwitchPreference;
import com.android.permissioncontroller.R;
import com.android.permissioncontroller.safetycenter.ui.model.PrivacyControlsViewModel;
import com.android.permissioncontroller.safetycenter.ui.model.PrivacyControlsViewModel.Pref;
import com.android.permissioncontroller.safetycenter.ui.model.PrivacyControlsViewModel.PrefState;
/**
* A preference that can be set to appear disabled, but remain clickable. However, the setChecked
* method will not register any changes while it appears disabled.
*/
@RequiresApi(TIRAMISU)
public class ClickableDisabledSwitchPreference extends SwitchPreference {
private boolean mAppearDisabled;
public ClickableDisabledSwitchPreference(Context context, AttributeSet attrs) {
super(context, attrs);
}
public ClickableDisabledSwitchPreference(Context context) {
super(context);
}
@Override
public void onBindViewHolder(PreferenceViewHolder holder) {
super.onBindViewHolder(holder);
if (holder.itemView instanceof ViewGroup) {
applyEnableStateToChildren((ViewGroup) holder.itemView);
}
}
@Override
public void setChecked(boolean checked) {
if (mAppearDisabled) {
return;
}
super.setChecked(checked);
}
/**
* Set this preference to appear disabled. It will remain clickable, but will be frozen in its
* current checked state.
*/
private void setAppearDisabled(boolean appearDisabled) {
if (appearDisabled == mAppearDisabled) {
return;
}
mAppearDisabled = appearDisabled;
notifyChanged();
}
private void applyEnableStateToChildren(ViewGroup viewGroup) {
for (int i = 0; i < viewGroup.getChildCount(); i++) {
View child = viewGroup.getChildAt(i);
child.setEnabled(!mAppearDisabled);
if (child instanceof ViewGroup) {
applyEnableStateToChildren((ViewGroup) child);
}
}
}
/**
* Sets the state of this switch preference based on restrictions enforced by the admin
*
* @param prefState a map of the preferences and their current toggle state
* @param prefType represents the type of privacy control toggle
* @param viewModel model used to talk to the backing service
* @param fragment represents the fragment containing this preference
*/
public void setupState(
PrefState prefState,
Pref prefType,
PrivacyControlsViewModel viewModel,
Fragment fragment) {
setVisible(prefState.getVisible());
setChecked(prefState.getChecked());
setAppearDisabled(prefState.getAdmin() != null);
setOnPreferenceClickListener(
(v) -> {
viewModel.handlePrefClick(fragment, prefType, prefState.getAdmin());
return true;
});
if (prefState.getAdmin() != null && prefState.getChecked()) {
setSummary(R.string.enabled_by_admin);
} else if (prefState.getAdmin() != null) {
setSummary(R.string.disabled_by_admin);
} else if (prefType.equals(Pref.MIC)) {
setSummary(R.string.mic_toggle_description);
} else if (prefType.equals(Pref.CAMERA)) {
setSummary(R.string.perm_toggle_description);
}
}
}
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