1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.systemui.navigationbar.gestural;
import android.animation.ArgbEvaluator;
import android.annotation.ColorInt;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.ContextThemeWrapper;
import android.view.View;
import com.android.settingslib.Utils;
import com.android.systemui.R;
import com.android.systemui.navigationbar.buttons.ButtonInterface;
public class NavigationHandle extends View implements ButtonInterface {
protected final Paint mPaint = new Paint();
private @ColorInt final int mLightColor;
private @ColorInt final int mDarkColor;
protected final float mRadius;
protected final float mBottom;
private boolean mRequiresInvalidate;
public NavigationHandle(Context context) {
this(context, null);
}
public NavigationHandle(Context context, AttributeSet attr) {
super(context, attr);
final Resources res = context.getResources();
mRadius = res.getDimension(R.dimen.navigation_handle_radius);
mBottom = res.getDimension(R.dimen.navigation_handle_bottom);
final int dualToneDarkTheme = Utils.getThemeAttr(context, R.attr.darkIconTheme);
final int dualToneLightTheme = Utils.getThemeAttr(context, R.attr.lightIconTheme);
Context lightContext = new ContextThemeWrapper(context, dualToneLightTheme);
Context darkContext = new ContextThemeWrapper(context, dualToneDarkTheme);
mLightColor = Utils.getColorAttrDefaultColor(lightContext, R.attr.homeHandleColor);
mDarkColor = Utils.getColorAttrDefaultColor(darkContext, R.attr.homeHandleColor);
mPaint.setAntiAlias(true);
setFocusable(false);
}
@Override
public void setAlpha(float alpha) {
super.setAlpha(alpha);
if (alpha > 0f && mRequiresInvalidate) {
mRequiresInvalidate = false;
invalidate();
}
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
// Draw that bar
int navHeight = getHeight();
float height = mRadius * 2;
int width = getWidth();
float y = (navHeight - mBottom - height);
canvas.drawRoundRect(0, y, width, y + height, mRadius, mRadius, mPaint);
}
@Override
public void setImageDrawable(Drawable drawable) {
}
@Override
public void abortCurrentGesture() {
}
@Override
public void setVertical(boolean vertical) {
}
@Override
public void setDarkIntensity(float intensity) {
int color = (int) ArgbEvaluator.getInstance().evaluate(intensity, mLightColor, mDarkColor);
if (mPaint.getColor() != color) {
mPaint.setColor(color);
if (getVisibility() == VISIBLE && getAlpha() > 0) {
invalidate();
} else {
// If we are currently invisible, then invalidate when we are next made visible
mRequiresInvalidate = true;
}
}
}
@Override
public void setDelayTouchFeedback(boolean shouldDelay) {
}
}
|
