Added darkmode for notification groups
Somewhere in the dark a dim shimmer of light appeared
Change-Id: I9de970d4f5b8bb3c3d99f34af7f411f62ff2e094
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationHeaderViewWrapper.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationHeaderViewWrapper.java
new file mode 100644
index 0000000..ddad2e0
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationHeaderViewWrapper.java
@@ -0,0 +1,239 @@
+/*
+ * Copyright (C) 2015 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;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.ValueAnimator;
+import android.content.Context;
+import android.graphics.Color;
+import android.graphics.ColorFilter;
+import android.graphics.ColorMatrix;
+import android.graphics.ColorMatrixColorFilter;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffColorFilter;
+import android.graphics.drawable.Drawable;
+import android.view.NotificationHeaderView;
+import android.view.View;
+import android.view.animation.AnimationUtils;
+import android.view.animation.Interpolator;
+import android.widget.ImageView;
+
+import com.android.systemui.R;
+import com.android.systemui.ViewInvertHelper;
+import com.android.systemui.statusbar.phone.NotificationPanelView;
+
+import java.util.ArrayList;
+
+/**
+ * Wraps a notification header view.
+ */
+public class NotificationHeaderViewWrapper extends NotificationViewWrapper {
+
+ private final ColorMatrix mGrayscaleColorMatrix = new ColorMatrix();
+ private final PorterDuffColorFilter mIconColorFilter = new PorterDuffColorFilter(
+ 0, PorterDuff.Mode.SRC_ATOP);
+ private final int mIconDarkAlpha;
+ private final int mIconDarkColor = 0xffffffff;
+ protected final Interpolator mLinearOutSlowInInterpolator;
+ protected final ViewInvertHelper mInvertHelper;
+
+ protected int mColor;
+ private ImageView mIcon;
+
+ private ImageView mExpandButton;
+ private NotificationHeaderView mNotificationHeader;
+
+ protected NotificationHeaderViewWrapper(Context ctx, View view) {
+ super(view);
+ mIconDarkAlpha = ctx.getResources().getInteger(R.integer.doze_small_icon_alpha);
+ mLinearOutSlowInInterpolator = AnimationUtils.loadInterpolator(ctx,
+ android.R.interpolator.linear_out_slow_in);
+ mInvertHelper = new ViewInvertHelper(ctx, NotificationPanelView.DOZE_ANIMATION_DURATION);
+ resolveHeaderViews();
+ }
+
+ protected void resolveHeaderViews() {
+ mIcon = (ImageView) mView.findViewById(com.android.internal.R.id.icon);
+ mExpandButton = (ImageView) mView.findViewById(com.android.internal.R.id.expand_button);
+ mColor = resolveColor(mExpandButton);
+ mNotificationHeader = (NotificationHeaderView) mView.findViewById(
+ com.android.internal.R.id.notification_header);
+ for (int i = 0; i < mNotificationHeader.getChildCount(); i++) {
+ View child = mNotificationHeader.getChildAt(i);
+ if (child != mIcon) {
+ mInvertHelper.addTarget(child);
+ }
+ }
+ }
+
+ private int resolveColor(ImageView icon) {
+ if (icon != null && icon.getDrawable() != null) {
+ ColorFilter filter = icon.getDrawable().getColorFilter();
+ if (filter instanceof PorterDuffColorFilter) {
+ return ((PorterDuffColorFilter) filter).getColor();
+ }
+ }
+ return 0;
+ }
+
+ @Override
+ public void notifyContentUpdated() {
+ mInvertHelper.clearTargets();
+ // Reinspect the notification.
+ resolveHeaderViews();
+ }
+
+ @Override
+ public void setDark(boolean dark, boolean fade, long delay) {
+ if (fade) {
+ mInvertHelper.fade(dark, delay);
+ } else {
+ mInvertHelper.update(dark);
+ }
+ if (mIcon != null) {
+ boolean hadColorFilter = mNotificationHeader.getOriginalIconColor()
+ != NotificationHeaderView.NO_COLOR;
+ if (fade) {
+ if (hadColorFilter) {
+ fadeIconColorFilter(mIcon, dark, delay);
+ fadeIconAlpha(mIcon, dark, delay);
+ } else {
+ fadeGrayscale(mIcon, dark, delay);
+ }
+ } else {
+ if (hadColorFilter) {
+ updateIconColorFilter(mIcon, dark);
+ updateIconAlpha(mIcon, dark);
+ } else {
+ updateGrayscale(mIcon, dark);
+ }
+ }
+ }
+ }
+
+ protected void startIntensityAnimation(ValueAnimator.AnimatorUpdateListener updateListener,
+ boolean dark, long delay, Animator.AnimatorListener listener) {
+ float startIntensity = dark ? 0f : 1f;
+ float endIntensity = dark ? 1f : 0f;
+ ValueAnimator animator = ValueAnimator.ofFloat(startIntensity, endIntensity);
+ animator.addUpdateListener(updateListener);
+ animator.setDuration(NotificationPanelView.DOZE_ANIMATION_DURATION);
+ animator.setInterpolator(mLinearOutSlowInInterpolator);
+ animator.setStartDelay(delay);
+ if (listener != null) {
+ animator.addListener(listener);
+ }
+ animator.start();
+ }
+
+ private void fadeIconColorFilter(final ImageView target, boolean dark, long delay) {
+ startIntensityAnimation(new ValueAnimator.AnimatorUpdateListener() {
+ @Override
+ public void onAnimationUpdate(ValueAnimator animation) {
+ updateIconColorFilter(target, (Float) animation.getAnimatedValue());
+ }
+ }, dark, delay, null /* listener */);
+ }
+
+ private void fadeIconAlpha(final ImageView target, boolean dark, long delay) {
+ startIntensityAnimation(new ValueAnimator.AnimatorUpdateListener() {
+ @Override
+ public void onAnimationUpdate(ValueAnimator animation) {
+ float t = (float) animation.getAnimatedValue();
+ target.setImageAlpha((int) (255 * (1f - t) + mIconDarkAlpha * t));
+ }
+ }, dark, delay, null /* listener */);
+ }
+
+ protected void fadeGrayscale(final ImageView target, final boolean dark, long delay) {
+ startIntensityAnimation(new ValueAnimator.AnimatorUpdateListener() {
+ @Override
+ public void onAnimationUpdate(ValueAnimator animation) {
+ updateGrayscaleMatrix((float) animation.getAnimatedValue());
+ target.setColorFilter(new ColorMatrixColorFilter(mGrayscaleColorMatrix));
+ }
+ }, dark, delay, new AnimatorListenerAdapter() {
+ @Override
+ public void onAnimationEnd(Animator animation) {
+ if (!dark) {
+ target.setColorFilter(null);
+ }
+ }
+ });
+ }
+
+ private void updateIconColorFilter(ImageView target, boolean dark) {
+ updateIconColorFilter(target, dark ? 1f : 0f);
+ }
+
+ private void updateIconColorFilter(ImageView target, float intensity) {
+ int color = interpolateColor(mColor, mIconDarkColor, intensity);
+ mIconColorFilter.setColor(color);
+ Drawable iconDrawable = target.getDrawable();
+
+ // Also, the notification might have been modified during the animation, so background
+ // might be null here.
+ if (iconDrawable != null) {
+ iconDrawable.mutate().setColorFilter(mIconColorFilter);
+ }
+ }
+
+ private void updateIconAlpha(ImageView target, boolean dark) {
+ target.setImageAlpha(dark ? mIconDarkAlpha : 255);
+ }
+
+ protected void updateGrayscale(ImageView target, boolean dark) {
+ if (dark) {
+ updateGrayscaleMatrix(1f);
+ target.setColorFilter(new ColorMatrixColorFilter(mGrayscaleColorMatrix));
+ } else {
+ target.setColorFilter(null);
+ }
+ }
+
+ @Override
+ public void updateExpandability(boolean expandable, View.OnClickListener onClickListener) {
+ mExpandButton.setVisibility(expandable ? View.VISIBLE : View.GONE);
+ mNotificationHeader.setOnClickListener(expandable ? onClickListener : null);
+ }
+
+ private void updateGrayscaleMatrix(float intensity) {
+ mGrayscaleColorMatrix.setSaturation(1 - intensity);
+ }
+
+ private static int interpolateColor(int source, int target, float t) {
+ int aSource = Color.alpha(source);
+ int rSource = Color.red(source);
+ int gSource = Color.green(source);
+ int bSource = Color.blue(source);
+ int aTarget = Color.alpha(target);
+ int rTarget = Color.red(target);
+ int gTarget = Color.green(target);
+ int bTarget = Color.blue(target);
+ return Color.argb(
+ (int) (aSource * (1f - t) + aTarget * t),
+ (int) (rSource * (1f - t) + rTarget * t),
+ (int) (gSource * (1f - t) + gTarget * t),
+ (int) (bSource * (1f - t) + bTarget * t));
+ }
+
+ @Override
+ public NotificationHeaderView getNotificationHeader() {
+ return mNotificationHeader;
+ }
+}