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      1 /*
      2  * Copyright (C) 2014 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.systemui.qs.tiles;
     18 
     19 import android.content.Intent;
     20 import android.provider.Settings;
     21 import android.provider.Settings.Secure;
     22 import android.widget.Switch;
     23 
     24 import com.android.internal.logging.MetricsLogger;
     25 import com.android.internal.logging.MetricsProto.MetricsEvent;
     26 import com.android.systemui.R;
     27 import com.android.systemui.qs.QSTile;
     28 import com.android.systemui.qs.SecureSetting;
     29 
     30 /** Quick settings tile: Invert colors **/
     31 public class ColorInversionTile extends QSTile<QSTile.BooleanState> {
     32 
     33     private final AnimationIcon mEnable
     34             = new AnimationIcon(R.drawable.ic_invert_colors_enable_animation,
     35             R.drawable.ic_invert_colors_disable);
     36     private final AnimationIcon mDisable
     37             = new AnimationIcon(R.drawable.ic_invert_colors_disable_animation,
     38             R.drawable.ic_invert_colors_enable);
     39     private final SecureSetting mSetting;
     40 
     41     private boolean mListening;
     42 
     43     public ColorInversionTile(Host host) {
     44         super(host);
     45 
     46         mSetting = new SecureSetting(mContext, mHandler,
     47                 Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED) {
     48             @Override
     49             protected void handleValueChanged(int value, boolean observedChange) {
     50                 handleRefreshState(value);
     51             }
     52         };
     53     }
     54 
     55     @Override
     56     protected void handleDestroy() {
     57         super.handleDestroy();
     58         mSetting.setListening(false);
     59     }
     60 
     61     @Override
     62     public BooleanState newTileState() {
     63         return new BooleanState();
     64     }
     65 
     66     @Override
     67     public void setListening(boolean listening) {
     68         mSetting.setListening(listening);
     69     }
     70 
     71     @Override
     72     protected void handleUserSwitch(int newUserId) {
     73         mSetting.setUserId(newUserId);
     74         handleRefreshState(mSetting.getValue());
     75     }
     76 
     77     @Override
     78     public Intent getLongClickIntent() {
     79         return new Intent(Settings.ACTION_ACCESSIBILITY_SETTINGS);
     80     }
     81 
     82     @Override
     83     protected void handleClick() {
     84         MetricsLogger.action(mContext, getMetricsCategory(), !mState.value);
     85         mSetting.setValue(mState.value ? 0 : 1);
     86     }
     87 
     88     @Override
     89     public CharSequence getTileLabel() {
     90         return mContext.getString(R.string.quick_settings_inversion_label);
     91     }
     92 
     93     @Override
     94     protected void handleUpdateState(BooleanState state, Object arg) {
     95         final int value = arg instanceof Integer ? (Integer) arg : mSetting.getValue();
     96         final boolean enabled = value != 0;
     97         state.value = enabled;
     98         state.label = mContext.getString(R.string.quick_settings_inversion_label);
     99         state.icon = enabled ? mEnable : mDisable;
    100         state.minimalAccessibilityClassName = state.expandedAccessibilityClassName
    101                 = Switch.class.getName();
    102         state.contentDescription = state.label;
    103     }
    104 
    105     @Override
    106     public int getMetricsCategory() {
    107         return MetricsEvent.QS_COLORINVERSION;
    108     }
    109 
    110     @Override
    111     protected String composeChangeAnnouncement() {
    112         if (mState.value) {
    113             return mContext.getString(
    114                     R.string.accessibility_quick_settings_color_inversion_changed_on);
    115         } else {
    116             return mContext.getString(
    117                     R.string.accessibility_quick_settings_color_inversion_changed_off);
    118         }
    119     }
    120 }
    121