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
|
/*
* Copyright (C) 2010 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.launcher2;
import com.android.launcher.R;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.util.AttributeSet;
public class DimmableBubbleTextView extends BubbleTextView implements Dimmable {
private Paint mDimmedPaint = new Paint();
private int mAlpha;
private Bitmap mDimmedView;
private Canvas mDimmedViewCanvas;
private boolean isDimmedViewUpdatePass;
private float mDimmableProgress;
public DimmableBubbleTextView(Context context) {
super(context);
mDimmedPaint.setFilterBitmap(true);
}
public DimmableBubbleTextView(Context context, AttributeSet attrs) {
super(context, attrs);
mDimmedPaint.setFilterBitmap(true);
}
public DimmableBubbleTextView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
mDimmedPaint.setFilterBitmap(true);
}
public void setDimmableProgress(float progress) {
mDimmableProgress = progress;
}
public float getDimmableProgress() {
return mDimmableProgress;
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
if (mDimmedView == null) {
isDimmedViewUpdatePass = true;
mDimmedView = Bitmap.createBitmap(getMeasuredWidth(), getMeasuredHeight(),
Bitmap.Config.ARGB_8888);
mDimmedViewCanvas = new Canvas(mDimmedView);
mDimmedViewCanvas.concat(getMatrix());
draw(mDimmedViewCanvas);
// MAKE THE DIMMED VERSION
int dimmedColor = getContext().getResources().getColor(R.color.dimmed_view_color);
mDimmedViewCanvas.drawColor(dimmedColor, PorterDuff.Mode.SRC_IN);
isDimmedViewUpdatePass = false;
}
}
@Override
protected void onDraw(Canvas canvas) {
if (isDimmedViewUpdatePass) {
canvas.save();
final float alpha = getAlpha();
super.setAlpha(1.0f);
super.onDraw(canvas);
super.setAlpha(alpha);
canvas.restore();
} else {
super.onDraw(canvas);
}
if (mDimmedView != null && mDimmableProgress > 0) {
mDimmedPaint.setAlpha((int) (mDimmableProgress * 255));
canvas.drawBitmap(mDimmedView, mScrollX, mScrollY, mDimmedPaint);
}
}
}
|