1 /*
2  * Copyright (C) 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.systemui.classifier;
18 
19 import android.content.res.Resources;
20 import android.view.ViewConfiguration;
21 
22 import com.android.systemui.R;
23 import com.android.systemui.dagger.SysUISingleton;
24 import com.android.systemui.dagger.qualifiers.Main;
25 import com.android.systemui.statusbar.phone.NotificationTapHelper;
26 
27 import java.util.Arrays;
28 import java.util.HashSet;
29 import java.util.Set;
30 
31 import javax.inject.Named;
32 
33 import dagger.Binds;
34 import dagger.Module;
35 import dagger.Provides;
36 import dagger.multibindings.ElementsIntoSet;
37 
38 /** Dagger Module for Falsing. */
39 @Module
40 public interface FalsingModule {
41     String BRIGHT_LINE_GESTURE_CLASSIFERS = "bright_line_gesture_classifiers";
42     String SINGLE_TAP_TOUCH_SLOP = "falsing_single_tap_touch_slop";
43     String LONG_TAP_TOUCH_SLOP = "falsing_long_tap_slop";
44     String DOUBLE_TAP_TOUCH_SLOP = "falsing_double_tap_touch_slop";
45     String DOUBLE_TAP_TIMEOUT_MS = "falsing_double_tap_timeout_ms";
46     String IS_FOLDABLE_DEVICE = "falsing_foldable_device";
47 
48     /** */
49     @Binds
50     @SysUISingleton
bindsFalsingCollector(FalsingCollectorImpl impl)51     FalsingCollector bindsFalsingCollector(FalsingCollectorImpl impl);
52 
53     /** */
54     @Provides
55     @ElementsIntoSet
56     @Named(BRIGHT_LINE_GESTURE_CLASSIFERS)
providesBrightLineGestureClassifiers( DistanceClassifier distanceClassifier, ProximityClassifier proximityClassifier, PointerCountClassifier pointerCountClassifier, TypeClassifier typeClassifier, DiagonalClassifier diagonalClassifier, ZigZagClassifier zigZagClassifier)57     static Set<FalsingClassifier> providesBrightLineGestureClassifiers(
58             DistanceClassifier distanceClassifier, ProximityClassifier proximityClassifier,
59             PointerCountClassifier pointerCountClassifier, TypeClassifier typeClassifier,
60             DiagonalClassifier diagonalClassifier, ZigZagClassifier zigZagClassifier) {
61         return new HashSet<>(Arrays.asList(
62                 pointerCountClassifier, typeClassifier, diagonalClassifier, distanceClassifier,
63                 proximityClassifier, zigZagClassifier));
64     }
65 
66     /** */
67     @Provides
68     @Named(DOUBLE_TAP_TIMEOUT_MS)
providesDoubleTapTimeoutMs()69     static long providesDoubleTapTimeoutMs() {
70         return NotificationTapHelper.DOUBLE_TAP_TIMEOUT_MS;
71     }
72 
73     /** */
74     @Provides
75     @Named(DOUBLE_TAP_TOUCH_SLOP)
providesDoubleTapTouchSlop(@ain Resources resources)76     static float providesDoubleTapTouchSlop(@Main Resources resources) {
77         return resources.getDimension(R.dimen.double_tap_slop);
78     }
79 
80     /** */
81     @Provides
82     @Named(SINGLE_TAP_TOUCH_SLOP)
providesSingleTapTouchSlop(ViewConfiguration viewConfiguration)83     static float providesSingleTapTouchSlop(ViewConfiguration viewConfiguration) {
84         return viewConfiguration.getScaledTouchSlop();
85     }
86 
87     /** */
88     @Provides
89     @Named(LONG_TAP_TOUCH_SLOP)
providesLongTapTouchSlop(ViewConfiguration viewConfiguration)90     static float providesLongTapTouchSlop(ViewConfiguration viewConfiguration) {
91         return viewConfiguration.getScaledTouchSlop() * 1.25f;
92     }
93 
94     /** */
95     @Provides
96     @Named(IS_FOLDABLE_DEVICE)
providesIsFoldableDevice(@ain Resources resources)97     static boolean providesIsFoldableDevice(@Main Resources resources) {
98         try {
99             return resources.getIntArray(
100                     com.android.internal.R.array.config_foldedDeviceStates).length != 0;
101         } catch (Resources.NotFoundException e) {
102             return false;
103         }
104     }
105 }
106