| /* |
| * 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.app.Notification; |
| import android.graphics.PorterDuff; |
| import android.graphics.drawable.Icon; |
| import android.text.TextUtils; |
| import android.view.NotificationHeaderView; |
| import android.view.View; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| |
| /** |
| * A Util to manage {@link android.view.NotificationHeaderView} objects and their redundancies. |
| */ |
| public class NotificationHeaderUtil { |
| |
| private static final TextViewComparator sTextViewComparator = new TextViewComparator(); |
| private static final VisibilityApplicator sVisibilityApplicator = new VisibilityApplicator(); |
| private static final DataExtractor sIconExtractor = new DataExtractor() { |
| @Override |
| public Object extractData(ExpandableNotificationRow row) { |
| return row.getStatusBarNotification().getNotification(); |
| } |
| }; |
| private static final IconComparator sIconVisibilityComparator = new IconComparator() { |
| public boolean compare(View parent, View child, Object parentData, |
| Object childData) { |
| return hasSameIcon(parentData, childData) |
| && hasSameColor(parentData, childData); |
| } |
| }; |
| private static final IconComparator sGreyComparator = new IconComparator() { |
| public boolean compare(View parent, View child, Object parentData, |
| Object childData) { |
| return !hasSameIcon(parentData, childData) |
| || hasSameColor(parentData, childData); |
| } |
| }; |
| private final static ResultApplicator mGreyApplicator = new ResultApplicator() { |
| @Override |
| public void apply(View view, boolean apply) { |
| NotificationHeaderView header = (NotificationHeaderView) view; |
| ImageView icon = (ImageView) view.findViewById( |
| com.android.internal.R.id.icon); |
| ImageView expand = (ImageView) view.findViewById( |
| com.android.internal.R.id.expand_button); |
| applyToChild(icon, apply, header.getOriginalIconColor()); |
| int color = header.getOriginalNotificationColor(); |
| if (color == Notification.COLOR_DEFAULT) { |
| color = view.getContext().getColor( |
| com.android.internal.R.color.notification_icon_default_color); |
| } |
| applyToChild(expand, apply, color); |
| } |
| |
| private void applyToChild(View view, boolean shouldApply, int originalColor) { |
| if (originalColor != NotificationHeaderView.NO_COLOR) { |
| ImageView imageView = (ImageView) view; |
| imageView.getDrawable().mutate(); |
| if (shouldApply) { |
| // lets gray it out |
| int grey = view.getContext().getColor( |
| com.android.internal.R.color.notification_icon_default_color); |
| imageView.getDrawable().setColorFilter(grey, PorterDuff.Mode.SRC_ATOP); |
| } else { |
| // lets reset it |
| imageView.getDrawable().setColorFilter(originalColor, |
| PorterDuff.Mode.SRC_ATOP); |
| } |
| } |
| } |
| }; |
| |
| private final ExpandableNotificationRow mRow; |
| private final ArrayList<HeaderProcessor> mComparators = new ArrayList<>(); |
| private final HashSet<Integer> mDividers = new HashSet<>(); |
| |
| NotificationHeaderUtil(ExpandableNotificationRow row) { |
| mRow = row; |
| // To hide the icons if they are the same and the color is the same |
| mComparators.add(new HeaderProcessor(mRow, |
| com.android.internal.R.id.icon, |
| sIconExtractor, |
| sIconVisibilityComparator, |
| sVisibilityApplicator)); |
| // To grey them out the icons and expand button when the icons are not the same |
| mComparators.add(new HeaderProcessor(mRow, |
| com.android.internal.R.id.notification_header, |
| sIconExtractor, |
| sGreyComparator, |
| mGreyApplicator)); |
| mComparators.add(new HeaderProcessor(mRow, |
| com.android.internal.R.id.profile_badge, |
| null /* Extractor */, |
| new ViewComparator() { |
| @Override |
| public boolean compare(View parent, View child, Object parentData, |
| Object childData) { |
| return parent.getVisibility() == View.VISIBLE; |
| } |
| |
| @Override |
| public boolean isEmpty(View view) { |
| if (view instanceof ImageView) { |
| return ((ImageView) view).getDrawable() == null; |
| } |
| return false; |
| } |
| }, |
| sVisibilityApplicator)); |
| mComparators.add(HeaderProcessor.forTextView(mRow, |
| com.android.internal.R.id.app_name_text)); |
| mComparators.add(HeaderProcessor.forTextView(mRow, |
| com.android.internal.R.id.header_sub_text)); |
| mComparators.add(HeaderProcessor.forTextView(mRow, |
| com.android.internal.R.id.header_content_info)); |
| mDividers.add(com.android.internal.R.id.sub_text_divider); |
| mDividers.add(com.android.internal.R.id.content_info_divider); |
| mDividers.add(com.android.internal.R.id.time_divider); |
| } |
| |
| public void updateChildrenHeaderAppearance() { |
| List<ExpandableNotificationRow> notificationChildren = mRow.getNotificationChildren(); |
| if (notificationChildren == null) { |
| return; |
| } |
| // Initialize the comparators |
| for (int compI = 0; compI < mComparators.size(); compI++) { |
| mComparators.get(compI).init(); |
| } |
| |
| // Compare all notification headers |
| for (int i = 0; i < notificationChildren.size(); i++) { |
| ExpandableNotificationRow row = notificationChildren.get(i); |
| for (int compI = 0; compI < mComparators.size(); compI++) { |
| mComparators.get(compI).compareToHeader(row); |
| } |
| } |
| |
| // Apply the comparison to the row |
| for (int i = 0; i < notificationChildren.size(); i++) { |
| ExpandableNotificationRow row = notificationChildren.get(i); |
| for (int compI = 0; compI < mComparators.size(); compI++) { |
| mComparators.get(compI).apply(row); |
| } |
| // We need to sanitize the dividers since they might be off-balance now |
| sanitizeDividers(row); |
| } |
| } |
| |
| private void sanitizeDividers(ExpandableNotificationRow row) { |
| if (row.isSummaryWithChildren()) { |
| sanitizeHeader(row.getNotificationHeader()); |
| return; |
| } |
| final NotificationContentView layout = row.getPrivateLayout(); |
| sanitizeChild(layout.getContractedChild()); |
| sanitizeChild(layout.getHeadsUpChild()); |
| sanitizeChild(layout.getExpandedChild()); |
| } |
| |
| private void sanitizeChild(View child) { |
| if (child != null) { |
| NotificationHeaderView header = (NotificationHeaderView) child.findViewById( |
| com.android.internal.R.id.notification_header); |
| sanitizeHeader(header); |
| } |
| } |
| |
| private void sanitizeHeader(NotificationHeaderView rowHeader) { |
| if (rowHeader == null) { |
| return; |
| } |
| View left = null; |
| View right; |
| final int childCount = rowHeader.getChildCount(); |
| for (int i = 1; i < childCount - 1 ; i++) { |
| View child = rowHeader.getChildAt(i); |
| if (mDividers.contains(Integer.valueOf(child.getId()))) { |
| boolean visible = false; |
| // Lets find the item to the right |
| for (i++; i < childCount - 1; i++) { |
| right = rowHeader.getChildAt(i); |
| if (mDividers.contains(Integer.valueOf(right.getId()))) { |
| // A divider was found, this needs to be hidden |
| i--; |
| break; |
| } else if (right.getVisibility() == View.VISIBLE) { |
| visible = left != null; |
| left = right; |
| break; |
| } |
| } |
| child.setVisibility(visible ? View.VISIBLE : View.GONE); |
| } else if (child.getVisibility() == View.VISIBLE) { |
| left = child; |
| } |
| } |
| } |
| |
| public void restoreNotificationHeader(ExpandableNotificationRow row) { |
| for (int compI = 0; compI < mComparators.size(); compI++) { |
| mComparators.get(compI).apply(row, true /* reset */); |
| } |
| sanitizeDividers(row); |
| } |
| |
| private static class HeaderProcessor { |
| private final int mId; |
| private final DataExtractor mExtractor; |
| private final ResultApplicator mApplicator; |
| private final ExpandableNotificationRow mParentRow; |
| private boolean mApply; |
| private View mParentView; |
| private ViewComparator mComparator; |
| private Object mParentData; |
| |
| public static HeaderProcessor forTextView(ExpandableNotificationRow row, int id) { |
| return new HeaderProcessor(row, id, null, sTextViewComparator, sVisibilityApplicator); |
| } |
| |
| HeaderProcessor(ExpandableNotificationRow row, int id, DataExtractor extractor, |
| ViewComparator comparator, |
| ResultApplicator applicator) { |
| mId = id; |
| mExtractor = extractor; |
| mApplicator = applicator; |
| mComparator = comparator; |
| mParentRow = row; |
| } |
| |
| public void init() { |
| mParentView = mParentRow.getNotificationHeader().findViewById(mId); |
| mParentData = mExtractor == null ? null : mExtractor.extractData(mParentRow); |
| mApply = !mComparator.isEmpty(mParentView); |
| } |
| public void compareToHeader(ExpandableNotificationRow row) { |
| if (!mApply) { |
| return; |
| } |
| NotificationHeaderView header = row.getNotificationHeader(); |
| if (header == null) { |
| mApply = false; |
| return; |
| } |
| Object childData = mExtractor == null ? null : mExtractor.extractData(row); |
| mApply = mComparator.compare(mParentView, header.findViewById(mId), |
| mParentData, childData); |
| } |
| |
| public void apply(ExpandableNotificationRow row) { |
| apply(row, false /* reset */); |
| } |
| |
| public void apply(ExpandableNotificationRow row, boolean reset) { |
| boolean apply = mApply && !reset; |
| if (row.isSummaryWithChildren()) { |
| applyToView(apply, row.getNotificationHeader()); |
| return; |
| } |
| applyToView(apply, row.getPrivateLayout().getContractedChild()); |
| applyToView(apply, row.getPrivateLayout().getHeadsUpChild()); |
| applyToView(apply, row.getPrivateLayout().getExpandedChild()); |
| } |
| |
| private void applyToView(boolean apply, View parent) { |
| if (parent != null) { |
| View view = parent.findViewById(mId); |
| if (view != null && !mComparator.isEmpty(view)) { |
| mApplicator.apply(view, apply); |
| } |
| } |
| } |
| } |
| |
| private interface ViewComparator { |
| /** |
| * @param parent the parent view |
| * @param child the child view |
| * @param parentData optional data for the parent |
| * @param childData optional data for the child |
| * @return whether to views are the same |
| */ |
| boolean compare(View parent, View child, Object parentData, Object childData); |
| boolean isEmpty(View view); |
| } |
| |
| private interface DataExtractor { |
| Object extractData(ExpandableNotificationRow row); |
| } |
| |
| private static class TextViewComparator implements ViewComparator { |
| @Override |
| public boolean compare(View parent, View child, Object parentData, Object childData) { |
| TextView parentView = (TextView) parent; |
| TextView childView = (TextView) child; |
| return parentView.getText().equals(childView.getText()); |
| } |
| |
| @Override |
| public boolean isEmpty(View view) { |
| return TextUtils.isEmpty(((TextView) view).getText()); |
| } |
| } |
| |
| private static abstract class IconComparator implements ViewComparator { |
| @Override |
| public boolean compare(View parent, View child, Object parentData, Object childData) { |
| return false; |
| } |
| |
| protected boolean hasSameIcon(Object parentData, Object childData) { |
| Icon parentIcon = ((Notification) parentData).getSmallIcon(); |
| Icon childIcon = ((Notification) childData).getSmallIcon(); |
| return parentIcon.sameAs(childIcon); |
| } |
| |
| /** |
| * @return whether two ImageViews have the same colorFilterSet or none at all |
| */ |
| protected boolean hasSameColor(Object parentData, Object childData) { |
| int parentColor = ((Notification) parentData).color; |
| int childColor = ((Notification) childData).color; |
| return parentColor == childColor; |
| } |
| |
| @Override |
| public boolean isEmpty(View view) { |
| return false; |
| } |
| } |
| |
| private interface ResultApplicator { |
| void apply(View view, boolean apply); |
| } |
| |
| private static class VisibilityApplicator implements ResultApplicator { |
| |
| @Override |
| public void apply(View view, boolean apply) { |
| view.setVisibility(apply ? View.GONE : View.VISIBLE); |
| } |
| } |
| } |