Home | History | Annotate | Download | only in tiles 
      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.service.quicksettings.Tile;
     23 import android.widget.Switch;
     24 
     25 import com.android.internal.logging.MetricsLogger;
     26 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
     27 import com.android.systemui.R;
     28 import com.android.systemui.R.drawable;
     29 import com.android.systemui.qs.QSHost;
     30 import com.android.systemui.plugins.qs.QSTile.BooleanState;
     31 import com.android.systemui.qs.tileimpl.QSTileImpl;
     32 import com.android.systemui.qs.SecureSetting;
     33 
     34 /** Quick settings tile: Invert colors **/
     35 public class ColorInversionTile extends QSTileImpl<BooleanState> {
     36 
     37     private final Icon mIcon = ResourceIcon.get(drawable.ic_invert_colors);
     38     private final SecureSetting mSetting;
     39 
     40     private boolean mListening;
     41 
     42     public ColorInversionTile(QSHost host) {
     43         super(host);
     44 
     45         mSetting = new SecureSetting(mContext, mHandler,
     46                 Secure.ACCESSIBILITY_DISPLAY_INVERSION_ENABLED) {
     47             @Override
     48             protected void handleValueChanged(int value, boolean observedChange) {
     49                 handleRefreshState(value);
     50             }
     51         };
     52     }
     53 
     54     @Override
     55     protected void handleDestroy() {
     56         super.handleDestroy();
     57         mSetting.setListening(false);
     58     }
     59 
     60     @Override
     61     public BooleanState newTileState() {
     62         return new BooleanState();
     63     }
     64 
     65     @Override
     66     public void handleSetListening(boolean listening) {
     67         mSetting.setListening(listening);
     68     }
     69 
     70     @Override
     71     protected void handleUserSwitch(int newUserId) {
     72         mSetting.setUserId(newUserId);
     73         handleRefreshState(mSetting.getValue());
     74     }
     75 
     76     @Override
     77     public Intent getLongClickIntent() {
     78         return new Intent(Settings.ACTION_ACCESSIBILITY_SETTINGS);
     79     }
     80 
     81     @Override
     82     protected void handleClick() {
     83         mSetting.setValue(mState.value ? 0 : 1);
     84     }
     85 
     86     @Override
     87     public CharSequence getTileLabel() {
     88         return mContext.getString(R.string.quick_settings_inversion_label);
     89     }
     90 
     91     @Override
     92     protected void handleUpdateState(BooleanState state, Object arg) {
     93         final int value = arg instanceof Integer ? (Integer) arg : mSetting.getValue();
     94         final boolean enabled = value != 0;
     95         if (state.slash == null) {
     96             state.slash = new SlashState();
     97         }
     98         state.value = enabled;
     99         state.slash.isSlashed = !state.value;
    100         state.state = state.value ? Tile.STATE_ACTIVE : Tile.STATE_INACTIVE;
    101         state.label = mContext.getString(R.string.quick_settings_inversion_label);
    102         state.icon = mIcon;
    103         state.expandedAccessibilityClassName = Switch.class.getName();
    104         state.contentDescription = state.label;
    105     }
    106 
    107     @Override
    108     public int getMetricsCategory() {
    109         return MetricsEvent.QS_COLORINVERSION;
    110     }
    111 
    112     @Override
    113     protected String composeChangeAnnouncement() {
    114         if (mState.value) {
    115             return mContext.getString(
    116                     R.string.accessibility_quick_settings_color_inversion_changed_on);
    117         } else {
    118             return mContext.getString(
    119                     R.string.accessibility_quick_settings_color_inversion_changed_off);
    120         }
    121     }
    122 }
    123