Selim Cinek | ea4bef7 | 2015-12-02 15:51:10 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License |
| 15 | */ |
| 16 | |
| 17 | package com.android.systemui.statusbar; |
| 18 | |
| 19 | import android.app.Notification; |
| 20 | import android.graphics.PorterDuff; |
| 21 | import android.graphics.drawable.Icon; |
| 22 | import android.text.TextUtils; |
| 23 | import android.view.NotificationHeaderView; |
| 24 | import android.view.View; |
| 25 | import android.widget.ImageView; |
| 26 | import android.widget.TextView; |
| 27 | |
| 28 | import java.util.ArrayList; |
| 29 | import java.util.HashSet; |
| 30 | import java.util.List; |
| 31 | |
| 32 | /** |
| 33 | * A Util to manage {@link android.view.NotificationHeaderView} objects and their redundancies. |
| 34 | */ |
| 35 | public class NotificationHeaderUtil { |
| 36 | |
| 37 | private static final TextViewComparator sTextViewComparator = new TextViewComparator(); |
| 38 | private static final VisibilityApplicator sVisibilityApplicator = new VisibilityApplicator(); |
| 39 | private static final DataExtractor sIconExtractor = new DataExtractor() { |
| 40 | @Override |
| 41 | public Object extractData(ExpandableNotificationRow row) { |
| 42 | return row.getStatusBarNotification().getNotification(); |
| 43 | } |
| 44 | }; |
| 45 | private static final IconComparator sIconVisibilityComparator = new IconComparator() { |
| 46 | public boolean compare(View parent, View child, Object parentData, |
| 47 | Object childData) { |
| 48 | return hasSameIcon(parentData, childData) |
| 49 | && hasSameColor(parentData, childData); |
| 50 | } |
| 51 | }; |
| 52 | private static final IconComparator sGreyComparator = new IconComparator() { |
| 53 | public boolean compare(View parent, View child, Object parentData, |
| 54 | Object childData) { |
| 55 | return !hasSameIcon(parentData, childData) |
| 56 | || hasSameColor(parentData, childData); |
| 57 | } |
| 58 | }; |
| 59 | private final static ResultApplicator mGreyApplicator = new ResultApplicator() { |
| 60 | @Override |
| 61 | public void apply(View view, boolean apply) { |
| 62 | NotificationHeaderView header = (NotificationHeaderView) view; |
| 63 | ImageView icon = (ImageView) view.findViewById( |
| 64 | com.android.internal.R.id.icon); |
| 65 | ImageView expand = (ImageView) view.findViewById( |
| 66 | com.android.internal.R.id.expand_button); |
| 67 | applyToChild(icon, apply, header.getOriginalIconColor()); |
Selim Cinek | b85f36fd | 2016-04-20 18:46:36 -0700 | [diff] [blame] | 68 | applyToChild(expand, apply, header.getOriginalNotificationColor()); |
Selim Cinek | ea4bef7 | 2015-12-02 15:51:10 -0800 | [diff] [blame] | 69 | } |
| 70 | |
| 71 | private void applyToChild(View view, boolean shouldApply, int originalColor) { |
Selim Cinek | e3efd83 | 2016-02-02 16:54:02 -0800 | [diff] [blame] | 72 | if (originalColor != NotificationHeaderView.NO_COLOR) { |
Selim Cinek | ea4bef7 | 2015-12-02 15:51:10 -0800 | [diff] [blame] | 73 | ImageView imageView = (ImageView) view; |
| 74 | imageView.getDrawable().mutate(); |
| 75 | if (shouldApply) { |
| 76 | // lets gray it out |
| 77 | int grey = view.getContext().getColor( |
| 78 | com.android.internal.R.color.notification_icon_default_color); |
| 79 | imageView.getDrawable().setColorFilter(grey, PorterDuff.Mode.SRC_ATOP); |
| 80 | } else { |
| 81 | // lets reset it |
| 82 | imageView.getDrawable().setColorFilter(originalColor, |
| 83 | PorterDuff.Mode.SRC_ATOP); |
| 84 | } |
| 85 | } |
| 86 | } |
| 87 | }; |
| 88 | |
| 89 | private final ExpandableNotificationRow mRow; |
| 90 | private final ArrayList<HeaderProcessor> mComparators = new ArrayList<>(); |
| 91 | private final HashSet<Integer> mDividers = new HashSet<>(); |
| 92 | |
Mady Mellor | b0a8246 | 2016-04-30 17:31:02 -0700 | [diff] [blame] | 93 | public NotificationHeaderUtil(ExpandableNotificationRow row) { |
Selim Cinek | ea4bef7 | 2015-12-02 15:51:10 -0800 | [diff] [blame] | 94 | mRow = row; |
| 95 | // To hide the icons if they are the same and the color is the same |
| 96 | mComparators.add(new HeaderProcessor(mRow, |
| 97 | com.android.internal.R.id.icon, |
| 98 | sIconExtractor, |
| 99 | sIconVisibilityComparator, |
| 100 | sVisibilityApplicator)); |
| 101 | // To grey them out the icons and expand button when the icons are not the same |
| 102 | mComparators.add(new HeaderProcessor(mRow, |
| 103 | com.android.internal.R.id.notification_header, |
| 104 | sIconExtractor, |
| 105 | sGreyComparator, |
| 106 | mGreyApplicator)); |
Selim Cinek | c848c3a | 2016-01-13 15:27:30 -0800 | [diff] [blame] | 107 | mComparators.add(new HeaderProcessor(mRow, |
| 108 | com.android.internal.R.id.profile_badge, |
| 109 | null /* Extractor */, |
| 110 | new ViewComparator() { |
| 111 | @Override |
| 112 | public boolean compare(View parent, View child, Object parentData, |
| 113 | Object childData) { |
Selim Cinek | b85f36fd | 2016-04-20 18:46:36 -0700 | [diff] [blame] | 114 | return parent.getVisibility() != View.GONE; |
Selim Cinek | c848c3a | 2016-01-13 15:27:30 -0800 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | @Override |
| 118 | public boolean isEmpty(View view) { |
| 119 | if (view instanceof ImageView) { |
| 120 | return ((ImageView) view).getDrawable() == null; |
| 121 | } |
| 122 | return false; |
| 123 | } |
| 124 | }, |
| 125 | sVisibilityApplicator)); |
Selim Cinek | ea4bef7 | 2015-12-02 15:51:10 -0800 | [diff] [blame] | 126 | mComparators.add(HeaderProcessor.forTextView(mRow, |
| 127 | com.android.internal.R.id.app_name_text)); |
| 128 | mComparators.add(HeaderProcessor.forTextView(mRow, |
Selim Cinek | 0f9dd1e | 2016-04-05 17:03:40 -0700 | [diff] [blame] | 129 | com.android.internal.R.id.header_text)); |
| 130 | mDividers.add(com.android.internal.R.id.header_text_divider); |
Selim Cinek | ea4bef7 | 2015-12-02 15:51:10 -0800 | [diff] [blame] | 131 | mDividers.add(com.android.internal.R.id.time_divider); |
| 132 | } |
| 133 | |
| 134 | public void updateChildrenHeaderAppearance() { |
| 135 | List<ExpandableNotificationRow> notificationChildren = mRow.getNotificationChildren(); |
| 136 | if (notificationChildren == null) { |
| 137 | return; |
| 138 | } |
| 139 | // Initialize the comparators |
| 140 | for (int compI = 0; compI < mComparators.size(); compI++) { |
| 141 | mComparators.get(compI).init(); |
| 142 | } |
| 143 | |
| 144 | // Compare all notification headers |
| 145 | for (int i = 0; i < notificationChildren.size(); i++) { |
| 146 | ExpandableNotificationRow row = notificationChildren.get(i); |
| 147 | for (int compI = 0; compI < mComparators.size(); compI++) { |
| 148 | mComparators.get(compI).compareToHeader(row); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | // Apply the comparison to the row |
| 153 | for (int i = 0; i < notificationChildren.size(); i++) { |
| 154 | ExpandableNotificationRow row = notificationChildren.get(i); |
| 155 | for (int compI = 0; compI < mComparators.size(); compI++) { |
| 156 | mComparators.get(compI).apply(row); |
| 157 | } |
| 158 | // We need to sanitize the dividers since they might be off-balance now |
Selim Cinek | b85f36fd | 2016-04-20 18:46:36 -0700 | [diff] [blame] | 159 | sanitizeHeaderViews(row); |
Selim Cinek | ea4bef7 | 2015-12-02 15:51:10 -0800 | [diff] [blame] | 160 | } |
| 161 | } |
| 162 | |
Selim Cinek | b85f36fd | 2016-04-20 18:46:36 -0700 | [diff] [blame] | 163 | private void sanitizeHeaderViews(ExpandableNotificationRow row) { |
Selim Cinek | ea4bef7 | 2015-12-02 15:51:10 -0800 | [diff] [blame] | 164 | if (row.isSummaryWithChildren()) { |
| 165 | sanitizeHeader(row.getNotificationHeader()); |
| 166 | return; |
| 167 | } |
| 168 | final NotificationContentView layout = row.getPrivateLayout(); |
| 169 | sanitizeChild(layout.getContractedChild()); |
| 170 | sanitizeChild(layout.getHeadsUpChild()); |
| 171 | sanitizeChild(layout.getExpandedChild()); |
| 172 | } |
| 173 | |
| 174 | private void sanitizeChild(View child) { |
| 175 | if (child != null) { |
| 176 | NotificationHeaderView header = (NotificationHeaderView) child.findViewById( |
| 177 | com.android.internal.R.id.notification_header); |
| 178 | sanitizeHeader(header); |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | private void sanitizeHeader(NotificationHeaderView rowHeader) { |
| 183 | if (rowHeader == null) { |
| 184 | return; |
| 185 | } |
Selim Cinek | b85f36fd | 2016-04-20 18:46:36 -0700 | [diff] [blame] | 186 | final int childCount = rowHeader.getChildCount(); |
| 187 | View time = rowHeader.findViewById(com.android.internal.R.id.time); |
| 188 | boolean hasVisibleText = false; |
| 189 | for (int i = 1; i < childCount - 1 ; i++) { |
| 190 | View child = rowHeader.getChildAt(i); |
| 191 | if (child instanceof TextView |
| 192 | && child.getVisibility() != View.GONE |
| 193 | && !mDividers.contains(Integer.valueOf(child.getId())) |
| 194 | && child != time) { |
| 195 | hasVisibleText = true; |
| 196 | break; |
| 197 | } |
| 198 | } |
| 199 | // in case no view is visible we make sure the time is visible |
| 200 | int timeVisibility = !hasVisibleText |
Selim Cinek | c2c0b04 | 2016-05-18 17:13:46 -0700 | [diff] [blame] | 201 | || mRow.getStatusBarNotification().getNotification().showsTime() |
Selim Cinek | b85f36fd | 2016-04-20 18:46:36 -0700 | [diff] [blame] | 202 | ? View.VISIBLE : View.GONE; |
| 203 | time.setVisibility(timeVisibility); |
Selim Cinek | ea4bef7 | 2015-12-02 15:51:10 -0800 | [diff] [blame] | 204 | View left = null; |
| 205 | View right; |
Selim Cinek | ea4bef7 | 2015-12-02 15:51:10 -0800 | [diff] [blame] | 206 | for (int i = 1; i < childCount - 1 ; i++) { |
| 207 | View child = rowHeader.getChildAt(i); |
| 208 | if (mDividers.contains(Integer.valueOf(child.getId()))) { |
| 209 | boolean visible = false; |
| 210 | // Lets find the item to the right |
| 211 | for (i++; i < childCount - 1; i++) { |
| 212 | right = rowHeader.getChildAt(i); |
| 213 | if (mDividers.contains(Integer.valueOf(right.getId()))) { |
| 214 | // A divider was found, this needs to be hidden |
| 215 | i--; |
| 216 | break; |
Selim Cinek | b85f36fd | 2016-04-20 18:46:36 -0700 | [diff] [blame] | 217 | } else if (right.getVisibility() != View.GONE && right instanceof TextView) { |
Selim Cinek | ea4bef7 | 2015-12-02 15:51:10 -0800 | [diff] [blame] | 218 | visible = left != null; |
| 219 | left = right; |
| 220 | break; |
| 221 | } |
| 222 | } |
| 223 | child.setVisibility(visible ? View.VISIBLE : View.GONE); |
Selim Cinek | b85f36fd | 2016-04-20 18:46:36 -0700 | [diff] [blame] | 224 | } else if (child.getVisibility() != View.GONE && child instanceof TextView) { |
Selim Cinek | ea4bef7 | 2015-12-02 15:51:10 -0800 | [diff] [blame] | 225 | left = child; |
| 226 | } |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | public void restoreNotificationHeader(ExpandableNotificationRow row) { |
| 231 | for (int compI = 0; compI < mComparators.size(); compI++) { |
| 232 | mComparators.get(compI).apply(row, true /* reset */); |
| 233 | } |
Selim Cinek | b85f36fd | 2016-04-20 18:46:36 -0700 | [diff] [blame] | 234 | sanitizeHeaderViews(row); |
Selim Cinek | ea4bef7 | 2015-12-02 15:51:10 -0800 | [diff] [blame] | 235 | } |
| 236 | |
| 237 | private static class HeaderProcessor { |
| 238 | private final int mId; |
| 239 | private final DataExtractor mExtractor; |
| 240 | private final ResultApplicator mApplicator; |
| 241 | private final ExpandableNotificationRow mParentRow; |
| 242 | private boolean mApply; |
| 243 | private View mParentView; |
| 244 | private ViewComparator mComparator; |
| 245 | private Object mParentData; |
| 246 | |
| 247 | public static HeaderProcessor forTextView(ExpandableNotificationRow row, int id) { |
| 248 | return new HeaderProcessor(row, id, null, sTextViewComparator, sVisibilityApplicator); |
| 249 | } |
| 250 | |
| 251 | HeaderProcessor(ExpandableNotificationRow row, int id, DataExtractor extractor, |
| 252 | ViewComparator comparator, |
| 253 | ResultApplicator applicator) { |
| 254 | mId = id; |
| 255 | mExtractor = extractor; |
| 256 | mApplicator = applicator; |
| 257 | mComparator = comparator; |
| 258 | mParentRow = row; |
| 259 | } |
| 260 | |
| 261 | public void init() { |
| 262 | mParentView = mParentRow.getNotificationHeader().findViewById(mId); |
| 263 | mParentData = mExtractor == null ? null : mExtractor.extractData(mParentRow); |
| 264 | mApply = !mComparator.isEmpty(mParentView); |
| 265 | } |
| 266 | public void compareToHeader(ExpandableNotificationRow row) { |
| 267 | if (!mApply) { |
| 268 | return; |
| 269 | } |
| 270 | NotificationHeaderView header = row.getNotificationHeader(); |
| 271 | if (header == null) { |
| 272 | mApply = false; |
| 273 | return; |
| 274 | } |
| 275 | Object childData = mExtractor == null ? null : mExtractor.extractData(row); |
| 276 | mApply = mComparator.compare(mParentView, header.findViewById(mId), |
| 277 | mParentData, childData); |
| 278 | } |
| 279 | |
| 280 | public void apply(ExpandableNotificationRow row) { |
| 281 | apply(row, false /* reset */); |
| 282 | } |
| 283 | |
| 284 | public void apply(ExpandableNotificationRow row, boolean reset) { |
| 285 | boolean apply = mApply && !reset; |
| 286 | if (row.isSummaryWithChildren()) { |
| 287 | applyToView(apply, row.getNotificationHeader()); |
| 288 | return; |
| 289 | } |
| 290 | applyToView(apply, row.getPrivateLayout().getContractedChild()); |
| 291 | applyToView(apply, row.getPrivateLayout().getHeadsUpChild()); |
| 292 | applyToView(apply, row.getPrivateLayout().getExpandedChild()); |
| 293 | } |
| 294 | |
| 295 | private void applyToView(boolean apply, View parent) { |
| 296 | if (parent != null) { |
| 297 | View view = parent.findViewById(mId); |
| 298 | if (view != null && !mComparator.isEmpty(view)) { |
| 299 | mApplicator.apply(view, apply); |
| 300 | } |
| 301 | } |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | private interface ViewComparator { |
| 306 | /** |
| 307 | * @param parent the parent view |
| 308 | * @param child the child view |
| 309 | * @param parentData optional data for the parent |
| 310 | * @param childData optional data for the child |
| 311 | * @return whether to views are the same |
| 312 | */ |
| 313 | boolean compare(View parent, View child, Object parentData, Object childData); |
| 314 | boolean isEmpty(View view); |
| 315 | } |
| 316 | |
| 317 | private interface DataExtractor { |
| 318 | Object extractData(ExpandableNotificationRow row); |
| 319 | } |
| 320 | |
| 321 | private static class TextViewComparator implements ViewComparator { |
| 322 | @Override |
| 323 | public boolean compare(View parent, View child, Object parentData, Object childData) { |
| 324 | TextView parentView = (TextView) parent; |
| 325 | TextView childView = (TextView) child; |
| 326 | return parentView.getText().equals(childView.getText()); |
| 327 | } |
| 328 | |
| 329 | @Override |
| 330 | public boolean isEmpty(View view) { |
| 331 | return TextUtils.isEmpty(((TextView) view).getText()); |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | private static abstract class IconComparator implements ViewComparator { |
| 336 | @Override |
| 337 | public boolean compare(View parent, View child, Object parentData, Object childData) { |
| 338 | return false; |
| 339 | } |
| 340 | |
| 341 | protected boolean hasSameIcon(Object parentData, Object childData) { |
| 342 | Icon parentIcon = ((Notification) parentData).getSmallIcon(); |
| 343 | Icon childIcon = ((Notification) childData).getSmallIcon(); |
| 344 | return parentIcon.sameAs(childIcon); |
| 345 | } |
| 346 | |
| 347 | /** |
| 348 | * @return whether two ImageViews have the same colorFilterSet or none at all |
| 349 | */ |
| 350 | protected boolean hasSameColor(Object parentData, Object childData) { |
| 351 | int parentColor = ((Notification) parentData).color; |
| 352 | int childColor = ((Notification) childData).color; |
| 353 | return parentColor == childColor; |
| 354 | } |
| 355 | |
| 356 | @Override |
| 357 | public boolean isEmpty(View view) { |
| 358 | return false; |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | private interface ResultApplicator { |
| 363 | void apply(View view, boolean apply); |
| 364 | } |
| 365 | |
| 366 | private static class VisibilityApplicator implements ResultApplicator { |
| 367 | |
| 368 | @Override |
| 369 | public void apply(View view, boolean apply) { |
| 370 | view.setVisibility(apply ? View.GONE : View.VISIBLE); |
| 371 | } |
| 372 | } |
| 373 | } |