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