| /* |
| * Copyright (C) 2014 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.animation.Animator; |
| import android.animation.AnimatorListenerAdapter; |
| import android.animation.ValueAnimator; |
| import android.graphics.Color; |
| import android.graphics.ColorMatrixColorFilter; |
| import android.graphics.Paint; |
| import android.graphics.drawable.ColorDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.service.notification.StatusBarNotification; |
| import android.support.v4.graphics.ColorUtils; |
| import android.view.View; |
| |
| import com.android.systemui.R; |
| import com.android.systemui.ViewInvertHelper; |
| import com.android.systemui.statusbar.phone.NotificationPanelView; |
| |
| /** |
| * Wraps a notification containing a custom view. |
| */ |
| public class NotificationCustomViewWrapper extends NotificationViewWrapper { |
| |
| private final ViewInvertHelper mInvertHelper; |
| private final Paint mGreyPaint = new Paint(); |
| private int mBackgroundColor = 0; |
| private static final int CUSTOM_BACKGROUND_TAG = R.id.custom_background_color; |
| private boolean mShouldInvertDark; |
| private boolean mShowingLegacyBackground; |
| |
| protected NotificationCustomViewWrapper(View view) { |
| super(view); |
| mInvertHelper = new ViewInvertHelper(view, NotificationPanelView.DOZE_ANIMATION_DURATION); |
| } |
| |
| @Override |
| public void setDark(boolean dark, boolean fade, long delay) { |
| if (dark == mDark && mDarkInitialized) { |
| return; |
| } |
| super.setDark(dark, fade, delay); |
| if (!mShowingLegacyBackground && mShouldInvertDark) { |
| if (fade) { |
| mInvertHelper.fade(dark, delay); |
| } else { |
| mInvertHelper.update(dark); |
| } |
| } else { |
| mView.setLayerType(dark ? View.LAYER_TYPE_HARDWARE : View.LAYER_TYPE_NONE, null); |
| if (fade) { |
| fadeGrayscale(dark, delay); |
| } else { |
| updateGrayscale(dark); |
| } |
| } |
| } |
| |
| protected void fadeGrayscale(final boolean dark, long delay) { |
| startIntensityAnimation(new ValueAnimator.AnimatorUpdateListener() { |
| @Override |
| public void onAnimationUpdate(ValueAnimator animation) { |
| updateGrayscaleMatrix((float) animation.getAnimatedValue()); |
| mGreyPaint.setColorFilter(new ColorMatrixColorFilter(mGrayscaleColorMatrix)); |
| mView.setLayerPaint(mGreyPaint); |
| } |
| }, dark, delay, new AnimatorListenerAdapter() { |
| @Override |
| public void onAnimationEnd(Animator animation) { |
| if (!dark) { |
| mView.setLayerType(View.LAYER_TYPE_NONE, null); |
| } |
| } |
| }); |
| } |
| |
| protected void updateGrayscale(boolean dark) { |
| if (dark) { |
| updateGrayscaleMatrix(1f); |
| mGreyPaint.setColorFilter( |
| new ColorMatrixColorFilter(mGrayscaleColorMatrix)); |
| mView.setLayerPaint(mGreyPaint); |
| } |
| } |
| |
| @Override |
| public void setVisible(boolean visible) { |
| super.setVisible(visible); |
| mView.setAlpha(visible ? 1.0f : 0.0f); |
| } |
| |
| @Override |
| public void notifyContentUpdated(StatusBarNotification notification) { |
| super.notifyContentUpdated(notification); |
| Drawable background = mView.getBackground(); |
| mBackgroundColor = 0; |
| if (background instanceof ColorDrawable) { |
| mBackgroundColor = ((ColorDrawable) background).getColor(); |
| mView.setBackground(null); |
| mView.setTag(CUSTOM_BACKGROUND_TAG, mBackgroundColor); |
| } else if (mView.getTag(CUSTOM_BACKGROUND_TAG) != null) { |
| mBackgroundColor = (int) mView.getTag(CUSTOM_BACKGROUND_TAG); |
| } |
| mShouldInvertDark = mBackgroundColor == 0 || isColorLight(mBackgroundColor); |
| } |
| |
| private boolean isColorLight(int backgroundColor) { |
| return Color.alpha(backgroundColor) == 0 |
| || ColorUtils.calculateLuminance(backgroundColor) > 0.5; |
| } |
| |
| @Override |
| public int getCustomBackgroundColor() { |
| return mBackgroundColor; |
| } |
| |
| @Override |
| public void setShowingLegacyBackground(boolean showing) { |
| super.setShowingLegacyBackground(showing); |
| mShowingLegacyBackground = showing; |
| } |
| } |