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/*
* Copyright (C) 2017 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.statusbar.notification;
import android.annotation.Nullable;
import android.content.Context;
import android.graphics.Color;
import android.graphics.PorterDuff.Mode;
import android.graphics.PorterDuffColorFilter;
import android.graphics.drawable.Drawable;
import android.widget.ImageView;
import com.android.systemui.R;
public class NotificationIconDozeHelper extends NotificationDozeHelper {
private final int mImageDarkAlpha;
private final int mImageDarkColor = 0xffffffff;
@Nullable
private PorterDuffColorFilter mImageColorFilter = null;
private int mColor = Color.BLACK;
public NotificationIconDozeHelper(Context ctx) {
mImageDarkAlpha = ctx.getResources().getInteger(R.integer.doze_small_icon_alpha);
}
public void setColor(int color) {
mColor = color;
}
public void setImageDark(ImageView target, boolean dark, boolean fade, long delay,
boolean useGrayscale) {
if (fade) {
if (!useGrayscale) {
fadeImageColorFilter(target, dark, delay);
fadeImageAlpha(target, dark, delay);
} else {
fadeGrayscale(target, dark, delay);
}
} else {
if (!useGrayscale) {
updateImageColorFilter(target, dark);
updateImageAlpha(target, dark);
} else {
updateGrayscale(target, dark);
}
}
}
private void fadeImageColorFilter(final ImageView target, boolean dark, long delay) {
startIntensityAnimation(animation -> {
updateImageColorFilter(target, (Float) animation.getAnimatedValue());
}, dark, delay, null /* listener */);
}
private void fadeImageAlpha(final ImageView target, boolean dark, long delay) {
startIntensityAnimation(animation -> {
float t = (float) animation.getAnimatedValue();
target.setImageAlpha((int) (255 * (1f - t) + mImageDarkAlpha * t));
}, dark, delay, null /* listener */);
}
private void updateImageColorFilter(ImageView target, boolean dark) {
updateImageColorFilter(target, dark ? 1f : 0f);
}
private void updateImageColorFilter(ImageView target, float intensity) {
int color = NotificationUtils.interpolateColors(mColor, mImageDarkColor, intensity);
if (mImageColorFilter == null || mImageColorFilter.getColor() != color) {
mImageColorFilter = new PorterDuffColorFilter(color, Mode.SRC_ATOP);
}
Drawable imageDrawable = target.getDrawable();
// Also, the notification might have been modified during the animation, so background
// might be null here.
if (imageDrawable != null) {
Drawable d = imageDrawable.mutate();
// DrawableContainer ignores the color filter if it's already set, so clear it first to
// get it set and invalidated properly.
d.setColorFilter(null);
d.setColorFilter(mImageColorFilter);
}
}
private void updateImageAlpha(ImageView target, boolean dark) {
target.setImageAlpha(dark ? mImageDarkAlpha : 255);
}
}
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