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Add the preference controller to control accessibility button size preference

Browse Source 
Bug: 173940869
Test: atest FloatingMenuSizePreferenceControllerTest
Change-Id: Ic206a940abde90641442df37a634c8cb3a345597
This commit is contained in:
jasonwshsu
2021-02-18 00:49:43 +08:00
parent 123464429d
commit 04955b96ae
4 changed files with 354 additions and 1 deletions
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199
src/com/android/settings/accessibility/FloatingMenuSizePreferenceController.java Normal file
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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.settings.accessibility;
import android.content.ContentResolver;
import android.content.Context;
import android.database.ContentObserver;
import android.os.Handler;
import android.os.Looper;
import android.provider.Settings;
import android.util.ArrayMap;
import androidx.annotation.IntDef;
import androidx.annotation.VisibleForTesting;
import androidx.preference.ListPreference;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnPause;
import com.android.settingslib.core.lifecycle.events.OnResume;
import com.google.common.primitives.Ints;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/** Preference controller that controls the preferred size in accessibility button page. */
public class FloatingMenuSizePreferenceController extends BasePreferenceController
implements Preference.OnPreferenceChangeListener, LifecycleObserver, OnResume, OnPause {
private final ContentResolver mContentResolver;
@VisibleForTesting
final ContentObserver mContentObserver;
@VisibleForTesting
ListPreference mPreference;
private final ArrayMap<String, String> mValueTitleMap = new ArrayMap<>();
private int mDefaultSize;
@Retention(RetentionPolicy.SOURCE)
@IntDef({
Size.SMALL,
Size.LARGE,
Size.EDGE
})
@VisibleForTesting
@interface Size {
int SMALL = 0;
int LARGE = 1;
int EDGE = 2;
}
@Retention(RetentionPolicy.SOURCE)
@IntDef({
EdgeMode.FULL_CIRCLE,
EdgeMode.HALF_CIRCLE,
})
@VisibleForTesting
@interface EdgeMode {
int FULL_CIRCLE = 0;
int HALF_CIRCLE = 1;
}
public FloatingMenuSizePreferenceController(Context context, String preferenceKey) {
super(context, preferenceKey);
mContentResolver = context.getContentResolver();
mContentObserver = new ContentObserver(new Handler(Looper.getMainLooper())) {
@Override
public void onChange(boolean selfChange) {
updateAvailabilityStatus();
}
};
initValueTitleMap();
}
@Override
public int getAvailabilityStatus() {
return AccessibilityUtil.isFloatingMenuEnabled(mContext)
? AVAILABLE : DISABLED_DEPENDENT_SETTING;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mPreference = screen.findPreference(getPreferenceKey());
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
final ListPreference listPreference = (ListPreference) preference;
final Integer value = Ints.tryParse((String) newValue);
if (value != null) {
writeToFloatingMenuSettings(value);
updateState(listPreference);
}
return true;
}
@Override
public void updateState(Preference preference) {
super.updateState(preference);
final ListPreference listPreference = (ListPreference) preference;
listPreference.setValue(getCurrentAccessibilityButtonSize());
}
@Override
public void onResume() {
mContentResolver.registerContentObserver(
Settings.Secure.getUriFor(
Settings.Secure.ACCESSIBILITY_BUTTON_MODE), /* notifyForDescendants= */
false, mContentObserver);
}
@Override
public void onPause() {
mContentResolver.unregisterContentObserver(mContentObserver);
}
private void updateAvailabilityStatus() {
mPreference.setEnabled(AccessibilityUtil.isFloatingMenuEnabled(mContext));
}
private void initValueTitleMap() {
if (mValueTitleMap.size() == 0) {
final String[] values = mContext.getResources().getStringArray(
R.array.accessibility_button_size_selector_values);
final String[] titles = mContext.getResources().getStringArray(
R.array.accessibility_button_size_selector_titles);
final int mapSize = values.length;
mDefaultSize = Integer.parseInt(values[0]);
for (int i = 0; i < mapSize; i++) {
mValueTitleMap.put(values[i], titles[i]);
}
}
}
private void writeToFloatingMenuSettings(@Size int sizeValue) {
if (sizeValue == Size.EDGE) {
putAccessibilityFloatingMenuSize(Size.SMALL);
putAccessibilityFloatingMenuIconType(EdgeMode.HALF_CIRCLE);
} else {
putAccessibilityFloatingMenuSize(sizeValue);
putAccessibilityFloatingMenuIconType(EdgeMode.FULL_CIRCLE);
}
}
private String getCurrentAccessibilityButtonSize() {
final @EdgeMode int iconType = getAccessibilityFloatingMenuIconType(EdgeMode.FULL_CIRCLE);
final @Size int btnSize = getAccessibilityFloatingMenuSize(mDefaultSize);
return (iconType == EdgeMode.HALF_CIRCLE)
? String.valueOf(Size.EDGE) : String.valueOf(btnSize);
}
@Size
private int getAccessibilityFloatingMenuSize(@Size int defaultValue) {
return Settings.Secure.getInt(mContentResolver,
Settings.Secure.ACCESSIBILITY_FLOATING_MENU_SIZE, defaultValue);
}
private void putAccessibilityFloatingMenuSize(@Size int value) {
Settings.Secure.putInt(mContentResolver,
Settings.Secure.ACCESSIBILITY_FLOATING_MENU_SIZE, value);
}
@EdgeMode
private int getAccessibilityFloatingMenuIconType(@EdgeMode int defaultValue) {
return Settings.Secure.getInt(mContentResolver,
Settings.Secure.ACCESSIBILITY_FLOATING_MENU_ICON_TYPE, defaultValue);
}
private void putAccessibilityFloatingMenuIconType(@EdgeMode int value) {
Settings.Secure.putInt(mContentResolver,
Settings.Secure.ACCESSIBILITY_FLOATING_MENU_ICON_TYPE, value);
}
}