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 17package com.android.systemui.qs.tiles; 18 19import android.content.Intent; 20import android.provider.Settings; 21import android.provider.Settings.Secure; 22import android.service.quicksettings.Tile; 23import android.widget.Switch; 24 25import com.android.internal.logging.MetricsLogger; 26import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 27import com.android.systemui.R; 28import com.android.systemui.R.drawable; 29import com.android.systemui.qs.QSHost; 30import com.android.systemui.plugins.qs.QSTile.BooleanState; 31import com.android.systemui.qs.tileimpl.QSTileImpl; 32import com.android.systemui.qs.SecureSetting; 33 34/** Quick settings tile: Invert colors **/ 35public 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