| /* |
| * 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.row.wrapper; |
| |
| import android.annotation.ColorInt; |
| import android.app.Notification; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.graphics.Color; |
| import android.graphics.ColorMatrix; |
| import android.graphics.ColorMatrixColorFilter; |
| import android.graphics.Paint; |
| import android.graphics.drawable.ColorDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.os.Build; |
| import android.view.NotificationHeaderView; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.TextView; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.graphics.ColorUtils; |
| import com.android.internal.util.ContrastColorUtil; |
| import com.android.systemui.statusbar.CrossFadeHelper; |
| import com.android.systemui.statusbar.TransformableView; |
| import com.android.systemui.statusbar.notification.TransformState; |
| import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow; |
| |
| /** |
| * Wraps the actual notification content view; used to implement behaviors which are different for |
| * the individual templates and custom views. |
| */ |
| public abstract class NotificationViewWrapper implements TransformableView { |
| |
| protected final View mView; |
| protected final ExpandableNotificationRow mRow; |
| |
| protected int mBackgroundColor = 0; |
| |
| public static NotificationViewWrapper wrap(Context ctx, View v, ExpandableNotificationRow row) { |
| if (v.getId() == com.android.internal.R.id.status_bar_latest_event_content) { |
| if ("bigPicture".equals(v.getTag())) { |
| return new NotificationBigPictureTemplateViewWrapper(ctx, v, row); |
| } else if ("bigText".equals(v.getTag())) { |
| return new NotificationBigTextTemplateViewWrapper(ctx, v, row); |
| } else if ("media".equals(v.getTag()) || "bigMediaNarrow".equals(v.getTag())) { |
| return new NotificationMediaTemplateViewWrapper(ctx, v, row); |
| } else if ("messaging".equals(v.getTag())) { |
| return new NotificationMessagingTemplateViewWrapper(ctx, v, row); |
| } |
| Class<? extends Notification.Style> style = |
| row.getEntry().getSbn().getNotification().getNotificationStyle(); |
| if (Notification.DecoratedCustomViewStyle.class.equals(style)) { |
| return new NotificationDecoratedCustomViewWrapper(ctx, v, row); |
| } |
| return new NotificationTemplateViewWrapper(ctx, v, row); |
| } else if (v instanceof NotificationHeaderView) { |
| return new NotificationHeaderViewWrapper(ctx, v, row); |
| } else { |
| return new NotificationCustomViewWrapper(ctx, v, row); |
| } |
| } |
| |
| protected NotificationViewWrapper(Context ctx, View view, ExpandableNotificationRow row) { |
| mView = view; |
| mRow = row; |
| onReinflated(); |
| } |
| |
| /** |
| * Notifies this wrapper that the content of the view might have changed. |
| * @param row the row this wrapper is attached to |
| */ |
| public void onContentUpdated(ExpandableNotificationRow row) { |
| } |
| |
| public void onReinflated() { |
| if (shouldClearBackgroundOnReapply()) { |
| mBackgroundColor = 0; |
| } |
| int backgroundColor = getBackgroundColor(mView); |
| if (backgroundColor != Color.TRANSPARENT) { |
| mBackgroundColor = backgroundColor; |
| mView.setBackground(new ColorDrawable(Color.TRANSPARENT)); |
| } |
| } |
| |
| protected boolean needsInversion(int defaultBackgroundColor, View view) { |
| if (view == null) { |
| return false; |
| } |
| |
| Configuration configuration = mView.getResources().getConfiguration(); |
| boolean nightMode = (configuration.uiMode & Configuration.UI_MODE_NIGHT_MASK) |
| == Configuration.UI_MODE_NIGHT_YES; |
| if (!nightMode) { |
| return false; |
| } |
| |
| // Apps targeting Q should fix their dark mode bugs. |
| if (mRow.getEntry().targetSdk >= Build.VERSION_CODES.Q) { |
| return false; |
| } |
| |
| int background = getBackgroundColor(view); |
| if (background == Color.TRANSPARENT) { |
| background = defaultBackgroundColor; |
| } |
| if (background == Color.TRANSPARENT) { |
| background = resolveBackgroundColor(); |
| } |
| |
| float[] hsl = new float[] {0f, 0f, 0f}; |
| ColorUtils.colorToHSL(background, hsl); |
| |
| // Notifications with colored backgrounds should not be inverted |
| if (hsl[1] != 0) { |
| return false; |
| } |
| |
| // Invert white or light gray backgrounds. |
| boolean isLightGrayOrWhite = hsl[1] == 0 && hsl[2] > 0.5; |
| if (isLightGrayOrWhite) { |
| return true; |
| } |
| |
| // Now let's check if there's unprotected text somewhere, and invert if we find it. |
| if (view instanceof ViewGroup) { |
| return childrenNeedInversion(background, (ViewGroup) view); |
| } else { |
| return false; |
| } |
| } |
| |
| @VisibleForTesting |
| boolean childrenNeedInversion(@ColorInt int parentBackground, ViewGroup viewGroup) { |
| if (viewGroup == null) { |
| return false; |
| } |
| |
| int backgroundColor = getBackgroundColor(viewGroup); |
| if (Color.alpha(backgroundColor) != 255) { |
| backgroundColor = ContrastColorUtil.compositeColors(backgroundColor, parentBackground); |
| backgroundColor = ColorUtils.setAlphaComponent(backgroundColor, 255); |
| } |
| for (int i = 0; i < viewGroup.getChildCount(); i++) { |
| View child = viewGroup.getChildAt(i); |
| if (child instanceof TextView) { |
| int foreground = ((TextView) child).getCurrentTextColor(); |
| if (ColorUtils.calculateContrast(foreground, backgroundColor) < 3) { |
| return true; |
| } |
| } else if (child instanceof ViewGroup) { |
| if (childrenNeedInversion(backgroundColor, (ViewGroup) child)) { |
| return true; |
| } |
| } |
| } |
| |
| return false; |
| } |
| |
| protected int getBackgroundColor(View view) { |
| if (view == null) { |
| return Color.TRANSPARENT; |
| } |
| Drawable background = view.getBackground(); |
| if (background instanceof ColorDrawable) { |
| return ((ColorDrawable) background).getColor(); |
| } |
| return Color.TRANSPARENT; |
| } |
| |
| protected void invertViewLuminosity(View view) { |
| Paint paint = new Paint(); |
| ColorMatrix matrix = new ColorMatrix(); |
| ColorMatrix tmp = new ColorMatrix(); |
| // Inversion should happen on Y'UV space to conserve the colors and |
| // only affect the luminosity. |
| matrix.setRGB2YUV(); |
| tmp.set(new float[]{ |
| -1f, 0f, 0f, 0f, 255f, |
| 0f, 1f, 0f, 0f, 0f, |
| 0f, 0f, 1f, 0f, 0f, |
| 0f, 0f, 0f, 1f, 0f |
| }); |
| matrix.postConcat(tmp); |
| tmp.setYUV2RGB(); |
| matrix.postConcat(tmp); |
| paint.setColorFilter(new ColorMatrixColorFilter(matrix)); |
| view.setLayerType(View.LAYER_TYPE_HARDWARE, paint); |
| } |
| |
| protected boolean shouldClearBackgroundOnReapply() { |
| return true; |
| } |
| |
| /** |
| * Update the appearance of the expand button. |
| * |
| * @param expandable should this view be expandable |
| * @param onClickListener the listener to invoke when the expand affordance is clicked on |
| */ |
| public void updateExpandability(boolean expandable, View.OnClickListener onClickListener) {} |
| |
| /** |
| * @return the notification header if it exists |
| */ |
| public NotificationHeaderView getNotificationHeader() { |
| return null; |
| } |
| |
| public int getHeaderTranslation(boolean forceNoHeader) { |
| return 0; |
| } |
| |
| @Override |
| public TransformState getCurrentState(int fadingView) { |
| return null; |
| } |
| |
| @Override |
| public void transformTo(TransformableView notification, Runnable endRunnable) { |
| // By default we are fading out completely |
| CrossFadeHelper.fadeOut(mView, endRunnable); |
| } |
| |
| @Override |
| public void transformTo(TransformableView notification, float transformationAmount) { |
| CrossFadeHelper.fadeOut(mView, transformationAmount); |
| } |
| |
| @Override |
| public void transformFrom(TransformableView notification) { |
| // By default we are fading in completely |
| CrossFadeHelper.fadeIn(mView); |
| } |
| |
| @Override |
| public void transformFrom(TransformableView notification, float transformationAmount) { |
| CrossFadeHelper.fadeIn(mView, transformationAmount); |
| } |
| |
| @Override |
| public void setVisible(boolean visible) { |
| mView.animate().cancel(); |
| mView.setVisibility(visible ? View.VISIBLE : View.INVISIBLE); |
| } |
| |
| /** |
| * Called to indicate this view is removed |
| */ |
| public void setRemoved() { |
| } |
| |
| public int getCustomBackgroundColor() { |
| // Parent notifications should always use the normal background color |
| return mRow.isSummaryWithChildren() ? 0 : mBackgroundColor; |
| } |
| |
| protected int resolveBackgroundColor() { |
| int customBackgroundColor = getCustomBackgroundColor(); |
| if (customBackgroundColor != 0) { |
| return customBackgroundColor; |
| } |
| return mView.getContext().getColor( |
| com.android.internal.R.color.notification_material_background_color); |
| } |
| |
| public void setLegacy(boolean legacy) { |
| } |
| |
| public void setContentHeight(int contentHeight, int minHeightHint) { |
| } |
| |
| public void setRemoteInputVisible(boolean visible) { |
| } |
| |
| public void setIsChildInGroup(boolean isChildInGroup) { |
| } |
| |
| public boolean isDimmable() { |
| return true; |
| } |
| |
| public boolean disallowSingleClick(float x, float y) { |
| return false; |
| } |
| |
| public int getMinLayoutHeight() { |
| return 0; |
| } |
| |
| public boolean shouldClipToRounding(boolean topRounded, boolean bottomRounded) { |
| return false; |
| } |
| |
| public void setHeaderVisibleAmount(float headerVisibleAmount) { |
| } |
| |
| /** |
| * Get the extra height that needs to be added to this view, such that it can be measured |
| * normally. |
| */ |
| public int getExtraMeasureHeight() { |
| return 0; |
| } |
| } |