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/*
* Copyright (C) 2021 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.keyguard;
import android.content.Context;
import android.content.res.ColorStateList;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.RippleDrawable;
import android.graphics.drawable.VectorDrawable;
import android.util.AttributeSet;
import android.view.MotionEvent;
import androidx.annotation.Nullable;
import com.android.settingslib.Utils;
import com.android.systemui.R;
/**
* Similar to the {@link NumPadKey}, but displays an image.
*/
public class NumPadButton extends AlphaOptimizedImageButton {
@Nullable
private NumPadAnimator mAnimator;
public NumPadButton(Context context, AttributeSet attrs) {
super(context, attrs);
Drawable background = getBackground();
if (background instanceof RippleDrawable) {
mAnimator = new NumPadAnimator(context, (RippleDrawable) getBackground(),
attrs.getStyleAttribute());
} else {
mAnimator = null;
}
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
// Set width/height to the same value to ensure a smooth circle for the bg, but shrink
// the height to match the old pin bouncer
int width = getMeasuredWidth();
int height = mAnimator == null ? (int) (width * .75f) : width;
setMeasuredDimension(getMeasuredWidth(), height);
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
super.onLayout(changed, l, t, r, b);
if (mAnimator != null) mAnimator.onLayout(b - t);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (event.getActionMasked() == MotionEvent.ACTION_DOWN && mAnimator != null) {
mAnimator.start();
}
return super.onTouchEvent(event);
}
/**
* Reload colors from resources.
**/
public void reloadColors() {
if (mAnimator != null) {
mAnimator.reloadColors(getContext());
} else {
// Needed for old style pin
int textColor = Utils.getColorAttr(getContext(), android.R.attr.textColorPrimary)
.getDefaultColor();
((VectorDrawable) getDrawable()).setTintList(ColorStateList.valueOf(textColor));
}
}
}
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