1 /* 2 * Copyright 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.development; 18 19 import static android.view.CrossWindowBlurListeners.CROSS_WINDOW_BLUR_SUPPORTED; 20 21 import android.content.Context; 22 import android.provider.Settings; 23 24 import androidx.annotation.VisibleForTesting; 25 import androidx.preference.Preference; 26 import androidx.preference.SwitchPreference; 27 28 import com.android.settings.core.PreferenceControllerMixin; 29 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 30 31 /** 32 * Controller that toggles window blurs on devices that support it. 33 */ 34 public final class EnableBlursPreferenceController extends DeveloperOptionsPreferenceController 35 implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin { 36 37 private static final String ENABLE_BLURS_ON_WINDOWS = "enable_blurs_on_windows"; 38 private final boolean mBlurSupported; 39 EnableBlursPreferenceController(Context context)40 public EnableBlursPreferenceController(Context context) { 41 this(context, CROSS_WINDOW_BLUR_SUPPORTED); 42 } 43 44 @VisibleForTesting EnableBlursPreferenceController(Context context, boolean blurSupported)45 public EnableBlursPreferenceController(Context context, boolean blurSupported) { 46 super(context); 47 mBlurSupported = blurSupported; 48 } 49 50 @Override getPreferenceKey()51 public String getPreferenceKey() { 52 return ENABLE_BLURS_ON_WINDOWS; 53 } 54 55 @Override onPreferenceChange(Preference preference, Object newValue)56 public boolean onPreferenceChange(Preference preference, Object newValue) { 57 boolean enabled = (Boolean) newValue; 58 Settings.Global.putInt(mContext.getContentResolver(), 59 Settings.Global.DISABLE_WINDOW_BLURS, enabled ? 0 : 1); 60 return true; 61 } 62 63 @Override isAvailable()64 public boolean isAvailable() { 65 return mBlurSupported; 66 } 67 68 @Override updateState(Preference preference)69 public void updateState(Preference preference) { 70 boolean isEnabled = Settings.Global.getInt(mContext.getContentResolver(), 71 Settings.Global.DISABLE_WINDOW_BLURS, 0) == 0; 72 ((SwitchPreference) mPreference).setChecked(isEnabled); 73 } 74 75 @Override onDeveloperOptionsSwitchDisabled()76 protected void onDeveloperOptionsSwitchDisabled() { 77 super.onDeveloperOptionsSwitchDisabled(); 78 Settings.Global.putInt(mContext.getContentResolver(), 79 Settings.Global.DISABLE_WINDOW_BLURS, 0); 80 updateState(null); 81 } 82 } 83