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The Android Open Source Project31dd5032009-03-03 19:32:27 -08001/*
2 * Copyright (C) 2008 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
Daniel Sandler325dc232013-06-05 22:57:57 -040017package com.android.launcher3;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080018
Sunny Goyal9dbb27c2019-07-17 15:12:56 -070019import static com.android.launcher3.ItemInfoWithIcon.FLAG_ICON_BADGED;
20
Sunny Goyal7368fa42019-04-22 09:58:14 -070021import android.animation.ValueAnimator;
Jon Miranda40285752019-05-14 15:17:30 -070022import android.annotation.TargetApi;
Vadim Tryshev2ce6a132018-06-18 19:14:44 -070023import android.app.ActivityManager;
Pinyao Ting49a3e692019-07-26 12:28:38 -070024import android.app.Person;
Sunny Goyal1ed6c4a2016-04-21 15:16:11 -070025import android.app.WallpaperManager;
Tony573c3e12019-02-22 13:10:59 -080026import android.content.BroadcastReceiver;
Winson Chungaafa03c2010-06-11 17:34:16 -070027import android.content.Context;
Rahul Chaturvedi7fc77ca2015-05-19 18:02:16 -070028import android.content.SharedPreferences;
Jon Miranda1a49fb52019-02-19 15:34:41 -080029import android.content.pm.LauncherActivityInfo;
Sunny Goyalc5c60ad2014-07-14 12:02:01 -070030import android.content.pm.ResolveInfo;
Sunny Goyal6bbf6002019-04-17 18:38:52 -070031import android.content.pm.ShortcutInfo;
Winson Chungaafa03c2010-06-11 17:34:16 -070032import android.content.res.Resources;
Jon Miranda40285752019-05-14 15:17:30 -070033import android.graphics.Bitmap;
34import android.graphics.Color;
Winson Chungc763c4e2013-07-19 13:49:06 -070035import android.graphics.Matrix;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080036import android.graphics.Paint;
Sunny Goyal415f1732018-11-29 10:33:47 -080037import android.graphics.Point;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080038import android.graphics.Rect;
Sunny Goyalb1e2e292018-02-21 10:14:30 -080039import android.graphics.RectF;
Jon Miranda40285752019-05-14 15:17:30 -070040import android.graphics.drawable.ColorDrawable;
Jon Miranda1a49fb52019-02-19 15:34:41 -080041import android.graphics.drawable.Drawable;
Jon Miranda40285752019-05-14 15:17:30 -070042import android.graphics.drawable.InsetDrawable;
Sandeep Siddhartha2efc7d92014-05-16 17:21:15 -070043import android.os.Build;
Sunny Goyal712ee532016-11-04 10:19:58 -070044import android.os.DeadObjectException;
Sunny Goyal3483c522018-04-12 11:23:33 -070045import android.os.Handler;
46import android.os.Message;
Tony Wickham112ac952015-11-12 12:31:50 -080047import android.os.PowerManager;
Sunny Goyal712ee532016-11-04 10:19:58 -070048import android.os.TransactionTooLargeException;
Hyunyoung Song58de5de2019-05-15 14:01:30 -070049import android.provider.Settings;
Sunny Goyale78e3d72015-09-24 11:23:31 -070050import android.text.Spannable;
51import android.text.SpannableString;
Sunny Goyal5c97f512015-05-19 16:03:28 -070052import android.text.TextUtils;
Sunny Goyale78e3d72015-09-24 11:23:31 -070053import android.text.style.TtsSpan;
Adam Cohen2e6da152015-05-06 11:42:25 -070054import android.util.DisplayMetrics;
Michael Jurkaa805e1a2013-08-22 15:00:33 +020055import android.util.Log;
Adam Cohen2e6da152015-05-06 11:42:25 -070056import android.util.TypedValue;
Tonyd5a3df72019-03-13 10:12:01 -050057import android.view.MotionEvent;
Winson Chungc763c4e2013-07-19 13:49:06 -070058import android.view.View;
Sunny Goyal878aa332019-05-20 12:40:42 -070059import android.view.ViewConfiguration;
Sunny Goyal0f3af752018-06-08 13:01:04 -070060import android.view.animation.Interpolator;
Sunny Goyalb1622cc2015-06-10 16:00:42 -070061
Jon Miranda1a49fb52019-02-19 15:34:41 -080062import com.android.launcher3.compat.LauncherAppsCompat;
63import com.android.launcher3.compat.ShortcutConfigActivityInfo;
Jon Miranda1a49fb52019-02-19 15:34:41 -080064import com.android.launcher3.dragndrop.FolderAdaptiveIcon;
Sunny Goyalae6e3182019-04-30 12:04:37 -070065import com.android.launcher3.graphics.RotationMode;
Sunny Goyal5b636eb2019-05-29 01:09:06 -070066import com.android.launcher3.graphics.TintedDrawableSpan;
Jon Miranda40285752019-05-14 15:17:30 -070067import com.android.launcher3.icons.LauncherIcons;
Jon Miranda1a49fb52019-02-19 15:34:41 -080068import com.android.launcher3.shortcuts.DeepShortcutManager;
Jon Miranda1a49fb52019-02-19 15:34:41 -080069import com.android.launcher3.shortcuts.ShortcutKey;
Sunny Goyalefb7e842018-10-04 15:11:00 -070070import com.android.launcher3.util.IntArray;
Hyunyoung Song58de5de2019-05-15 14:01:30 -070071import com.android.launcher3.util.PackageManagerHelper;
Sunny Goyalae6e3182019-04-30 12:04:37 -070072import com.android.launcher3.views.Transposable;
Jon Miranda1a49fb52019-02-19 15:34:41 -080073import com.android.launcher3.widget.PendingAddShortcutInfo;
Sunny Goyal6c56c682015-07-16 14:09:05 -070074
Sunny Goyal25aba0a2015-07-16 15:07:47 -070075import java.lang.reflect.Method;
Jon Miranda1a49fb52019-02-19 15:34:41 -080076import java.util.Arrays;
77import java.util.List;
Sunny Goyalb1622cc2015-06-10 16:00:42 -070078import java.util.Locale;
Sunny Goyal8ac727b2015-09-23 15:38:09 -070079import java.util.concurrent.Executor;
80import java.util.concurrent.LinkedBlockingQueue;
81import java.util.concurrent.ThreadPoolExecutor;
82import java.util.concurrent.TimeUnit;
Winson Chung82b016c2015-05-08 17:00:10 -070083import java.util.regex.Matcher;
84import java.util.regex.Pattern;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080085
86/**
87 * Various utilities shared amongst the Launcher's classes.
88 */
Mathew Inwood72fbec12013-11-19 15:45:07 +000089public final class Utilities {
Rahul Chaturvedi7fc77ca2015-05-19 18:02:16 -070090
Joe Onorato1291a8c2009-09-15 15:07:25 -040091 private static final String TAG = "Launcher.Utilities";
92
Winson Chung82b016c2015-05-08 17:00:10 -070093 private static final Pattern sTrimPattern =
94 Pattern.compile("^[\\s|\\p{javaSpaceChar}]*(.*)[\\s|\\p{javaSpaceChar}]*$");
95
Sunny Goyal53d7ee42015-05-22 12:25:45 -070096 private static final int[] sLoc0 = new int[2];
97 private static final int[] sLoc1 = new int[2];
Sunny Goyal5e0e94f2016-10-28 10:01:00 -070098 private static final Matrix sMatrix = new Matrix();
99 private static final Matrix sInverseMatrix = new Matrix();
Michael Jurka7ad868b2013-12-12 15:04:25 +0100100
Pinyao Ting49a3e692019-07-26 12:28:38 -0700101 public static final String[] EMPTY_STRING_ARRAY = new String[0];
102 public static final Person[] EMPTY_PERSON_ARRAY = new Person[0];
103
Sunny Goyal03340472019-05-17 16:57:12 -0700104 public static final boolean ATLEAST_Q = Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q;
Lucas Dupineca08a12018-08-11 15:53:40 -0700105
Tony Wickham8155fa22018-05-18 17:18:49 -0700106 public static final boolean ATLEAST_P =
107 Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
Tony Mak6eeb0402018-01-03 14:41:31 +0000108
Hyunyoung Songe24cb632017-09-11 11:18:03 -0700109 public static final boolean ATLEAST_OREO_MR1 =
110 Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1;
111
112 public static final boolean ATLEAST_OREO =
113 Build.VERSION.SDK_INT >= Build.VERSION_CODES.O;
Sunny Goyaldcc0ba22016-11-02 11:22:39 -0700114
Jon Miranda83337f92018-04-24 12:21:28 -0700115 public static final int SINGLE_FRAME_MS = 16;
116
Sunny Goyal49f19f02017-01-05 14:36:02 -0800117 /**
Tonyd5a3df72019-03-13 10:12:01 -0500118 * Set on a motion event dispatched from the nav bar. See {@link MotionEvent#setEdgeFlags(int)}.
119 */
120 public static final int EDGE_NAV_BAR = 1 << 8;
121
122 /**
Sunny Goyal49f19f02017-01-05 14:36:02 -0800123 * Indicates if the device has a debug build. Should only be used to store additional info or
124 * add extra logging and not for changing the app behavior.
125 */
Tobias Dubois9c0ad562018-06-11 16:17:17 +0200126 public static final boolean IS_DEBUG_DEVICE =
127 Build.TYPE.toLowerCase(Locale.ROOT).contains("debug") ||
128 Build.TYPE.toLowerCase(Locale.ROOT).equals("eng");
Sunny Goyal49f19f02017-01-05 14:36:02 -0800129
Hyunyoung Song58de5de2019-05-15 14:01:30 -0700130 public static boolean isDevelopersOptionsEnabled(Context context) {
131 return Settings.Global.getInt(context.getApplicationContext().getContentResolver(),
132 Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
133 }
134
Sunny Goyal6f866092016-03-17 17:04:15 -0700135 // An intent extra to indicate the horizontal scroll of the wallpaper.
136 public static final String EXTRA_WALLPAPER_OFFSET = "com.android.launcher3.WALLPAPER_OFFSET";
Hyunyoung Song29e5d442019-02-07 10:33:55 -0800137 public static final String EXTRA_WALLPAPER_FLAVOR = "com.android.launcher3.WALLPAPER_FLAVOR";
Sunny Goyal6f866092016-03-17 17:04:15 -0700138
Sunny Goyal8ac727b2015-09-23 15:38:09 -0700139 // These values are same as that in {@link AsyncTask}.
140 private static final int CPU_COUNT = Runtime.getRuntime().availableProcessors();
141 private static final int CORE_POOL_SIZE = CPU_COUNT + 1;
142 private static final int MAXIMUM_POOL_SIZE = CPU_COUNT * 2 + 1;
143 private static final int KEEP_ALIVE = 1;
144 /**
145 * An {@link Executor} to be used with async task with no limit on the queue size.
146 */
147 public static final Executor THREAD_POOL_EXECUTOR = new ThreadPoolExecutor(
148 CORE_POOL_SIZE, MAXIMUM_POOL_SIZE, KEEP_ALIVE,
Sunny Goyalae6e3182019-04-30 12:04:37 -0700149 TimeUnit.SECONDS, new LinkedBlockingQueue<>());
Sunny Goyal8ac727b2015-09-23 15:38:09 -0700150
Vadim Tryshevc2950982018-10-04 16:33:45 -0700151 public static boolean IS_RUNNING_IN_TEST_HARNESS =
Vadim Tryshev2ce6a132018-06-18 19:14:44 -0700152 ActivityManager.isRunningInTestHarness();
153
Vadim Tryshevc2950982018-10-04 16:33:45 -0700154 public static void enableRunningInTestHarnessForTests() {
155 IS_RUNNING_IN_TEST_HARNESS = true;
156 }
157
Sunny Goyal4bbf4192014-11-11 12:23:59 -0800158 public static boolean isPropertyEnabled(String propertyName) {
Michael Jurka7ad868b2013-12-12 15:04:25 +0100159 return Log.isLoggable(propertyName, Log.VERBOSE);
160 }
161
Hyunyoung Song58de5de2019-05-15 14:01:30 -0700162 public static boolean existsStyleWallpapers(Context context) {
163 ResolveInfo ri = context.getPackageManager().resolveActivity(
164 PackageManagerHelper.getStyleWallpapersIntent(context), 0);
165 return ri != null;
166 }
167
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800168 /**
Winson Chungc763c4e2013-07-19 13:49:06 -0700169 * Given a coordinate relative to the descendant, find the coordinate in a parent view's
170 * coordinates.
171 *
172 * @param descendant The descendant to which the passed coordinate is relative.
Sunny Goyale8b5d202016-06-13 16:36:59 -0700173 * @param ancestor The root view to make the coordinates relative to.
Winson Chungc763c4e2013-07-19 13:49:06 -0700174 * @param coord The coordinate that we want mapped.
175 * @param includeRootScroll Whether or not to account for the scroll of the descendant:
176 * sometimes this is relevant as in a child's coordinates within the descendant.
177 * @return The factor by which this descendant is scaled relative to this DragLayer. Caution
178 * this scale factor is assumed to be equal in X and Y, and so if at any point this
179 * assumption fails, we will need to return a pair of scale factors.
180 */
Sunny Goyale8b5d202016-06-13 16:36:59 -0700181 public static float getDescendantCoordRelativeToAncestor(
Sunny Goyalae6e3182019-04-30 12:04:37 -0700182 View descendant, View ancestor, float[] coord, boolean includeRootScroll) {
183 return getDescendantCoordRelativeToAncestor(descendant, ancestor, coord, includeRootScroll,
Sunny Goyal878f6d32019-05-03 11:14:16 -0700184 false, null);
Sunny Goyalae6e3182019-04-30 12:04:37 -0700185 }
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700186
Sunny Goyalae6e3182019-04-30 12:04:37 -0700187 /**
188 * Given a coordinate relative to the descendant, find the coordinate in a parent view's
189 * coordinates.
190 *
191 * @param descendant The descendant to which the passed coordinate is relative.
192 * @param ancestor The root view to make the coordinates relative to.
193 * @param coord The coordinate that we want mapped.
194 * @param includeRootScroll Whether or not to account for the scroll of the descendant:
195 * sometimes this is relevant as in a child's coordinates within the descendant.
196 * @param ignoreTransform If true, view transform is ignored
Sunny Goyal878f6d32019-05-03 11:14:16 -0700197 * @param outRotation If not null, and {@param ignoreTransform} is true, this is set to the
198 * overall rotation of the view in degrees.
Sunny Goyalae6e3182019-04-30 12:04:37 -0700199 * @return The factor by which this descendant is scaled relative to this DragLayer. Caution
200 * this scale factor is assumed to be equal in X and Y, and so if at any point this
201 * assumption fails, we will need to return a pair of scale factors.
202 */
203 public static float getDescendantCoordRelativeToAncestor(View descendant, View ancestor,
Sunny Goyal878f6d32019-05-03 11:14:16 -0700204 float[] coord, boolean includeRootScroll, boolean ignoreTransform,
205 float[] outRotation) {
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700206 float scale = 1.0f;
Winson Chungc763c4e2013-07-19 13:49:06 -0700207 View v = descendant;
Sunny Goyale8b5d202016-06-13 16:36:59 -0700208 while(v != ancestor && v != null) {
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700209 // For TextViews, scroll has a meaning which relates to the text position
210 // which is very strange... ignore the scroll.
211 if (v != descendant || includeRootScroll) {
Sunny Goyalae6e3182019-04-30 12:04:37 -0700212 offsetPoints(coord, -v.getScrollX(), -v.getScrollY());
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700213 }
214
Sunny Goyalae6e3182019-04-30 12:04:37 -0700215 if (ignoreTransform) {
216 if (v instanceof Transposable) {
217 RotationMode m = ((Transposable) v).getRotationMode();
218 if (m.isTransposed) {
219 sMatrix.setRotate(m.surfaceRotation, v.getPivotX(), v.getPivotY());
220 sMatrix.mapPoints(coord);
Sunny Goyal878f6d32019-05-03 11:14:16 -0700221
222 if (outRotation != null) {
223 outRotation[0] += m.surfaceRotation;
224 }
Sunny Goyalae6e3182019-04-30 12:04:37 -0700225 }
226 }
227 } else {
228 v.getMatrix().mapPoints(coord);
229 }
230 offsetPoints(coord, v.getLeft(), v.getTop());
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700231 scale *= v.getScaleX();
232
Winson Chungc763c4e2013-07-19 13:49:06 -0700233 v = (View) v.getParent();
234 }
Winson Chungc763c4e2013-07-19 13:49:06 -0700235 return scale;
236 }
237
238 /**
Sunny Goyalae6e3182019-04-30 12:04:37 -0700239 * Inverse of {@link #getDescendantCoordRelativeToAncestor(View, View, float[], boolean)}.
Winson Chungc763c4e2013-07-19 13:49:06 -0700240 */
Sunny Goyalae6e3182019-04-30 12:04:37 -0700241 public static void mapCoordInSelfToDescendant(View descendant, View root, float[] coord) {
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700242 sMatrix.reset();
Winson Chungc763c4e2013-07-19 13:49:06 -0700243 View v = descendant;
244 while(v != root) {
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700245 sMatrix.postTranslate(-v.getScrollX(), -v.getScrollY());
246 sMatrix.postConcat(v.getMatrix());
247 sMatrix.postTranslate(v.getLeft(), v.getTop());
Winson Chungc763c4e2013-07-19 13:49:06 -0700248 v = (View) v.getParent();
249 }
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700250 sMatrix.postTranslate(-v.getScrollX(), -v.getScrollY());
251 sMatrix.invert(sInverseMatrix);
Sunny Goyalae6e3182019-04-30 12:04:37 -0700252 sInverseMatrix.mapPoints(coord);
253 }
Winson Chungc763c4e2013-07-19 13:49:06 -0700254
Sunny Goyalae6e3182019-04-30 12:04:37 -0700255 /**
256 * Sets {@param out} to be same as {@param in} by rounding individual values
257 */
258 public static void roundArray(float[] in, int[] out) {
259 for (int i = 0; i < in.length; i++) {
260 out[i] = Math.round(in[i]);
261 }
262 }
263
264 public static void offsetPoints(float[] points, float offsetX, float offsetY) {
265 for (int i = 0; i < points.length; i += 2) {
266 points[i] += offsetX;
267 points[i + 1] += offsetY;
268 }
Winson Chungc763c4e2013-07-19 13:49:06 -0700269 }
270
Jason Monk02dd7ae2014-04-15 15:23:31 -0400271 /**
272 * Utility method to determine whether the given point, in local coordinates,
273 * is inside the view, where the area of the view is expanded by the slop factor.
274 * This method is called while processing touch-move events to determine if the event
275 * is still within the view.
276 */
277 public static boolean pointInView(View v, float localX, float localY, float slop) {
278 return localX >= -slop && localY >= -slop && localX < (v.getWidth() + slop) &&
279 localY < (v.getHeight() + slop);
280 }
281
Sunny Goyala52ecb02016-12-16 15:04:51 -0800282 public static int[] getCenterDeltaInScreenSpace(View v0, View v1) {
Adam Cohen63f1ec02014-08-12 09:23:13 -0700283 v0.getLocationInWindow(sLoc0);
284 v1.getLocationInWindow(sLoc1);
285
286 sLoc0[0] += (v0.getMeasuredWidth() * v0.getScaleX()) / 2;
287 sLoc0[1] += (v0.getMeasuredHeight() * v0.getScaleY()) / 2;
288 sLoc1[0] += (v1.getMeasuredWidth() * v1.getScaleX()) / 2;
289 sLoc1[1] += (v1.getMeasuredHeight() * v1.getScaleY()) / 2;
Sunny Goyala52ecb02016-12-16 15:04:51 -0800290 return new int[] {sLoc1[0] - sLoc0[0], sLoc1[1] - sLoc0[1]};
Adam Cohen63f1ec02014-08-12 09:23:13 -0700291 }
292
Sunny Goyalb1e2e292018-02-21 10:14:30 -0800293 public static void scaleRectFAboutCenter(RectF r, float scale) {
294 if (scale != 1.0f) {
295 float cx = r.centerX();
296 float cy = r.centerY();
297 r.offset(-cx, -cy);
298 r.left = r.left * scale;
299 r.top = r.top * scale ;
300 r.right = r.right * scale;
301 r.bottom = r.bottom * scale;
302 r.offset(cx, cy);
303 }
304 }
305
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800306 public static void scaleRectAboutCenter(Rect r, float scale) {
307 if (scale != 1.0f) {
308 int cx = r.centerX();
309 int cy = r.centerY();
310 r.offset(-cx, -cy);
Winson Chung3e803c72018-01-29 11:16:32 -0800311 scaleRect(r, scale);
312 r.offset(cx, cy);
313 }
314 }
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800315
Winson Chung3e803c72018-01-29 11:16:32 -0800316 public static void scaleRect(Rect r, float scale) {
317 if (scale != 1.0f) {
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800318 r.left = (int) (r.left * scale + 0.5f);
319 r.top = (int) (r.top * scale + 0.5f);
320 r.right = (int) (r.right * scale + 0.5f);
321 r.bottom = (int) (r.bottom * scale + 0.5f);
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800322 }
323 }
324
Winson Chung3e803c72018-01-29 11:16:32 -0800325 public static void insetRect(Rect r, Rect insets) {
326 r.left = Math.min(r.right, r.left + insets.left);
327 r.top = Math.min(r.bottom, r.top + insets.top);
328 r.right = Math.max(r.left, r.right - insets.right);
329 r.bottom = Math.max(r.top, r.bottom - insets.bottom);
330 }
331
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800332 public static float shrinkRect(Rect r, float scaleX, float scaleY) {
Jon Mirandae96798e2016-12-07 12:10:44 -0800333 float scale = Math.min(Math.min(scaleX, scaleY), 1.0f);
334 if (scale < 1.0f) {
335 int deltaX = (int) (r.width() * (scaleX - scale) * 0.5f);
336 r.left += deltaX;
337 r.right -= deltaX;
Sunny Goyal106bf642015-07-16 12:18:06 -0700338
Jon Mirandae96798e2016-12-07 12:10:44 -0800339 int deltaY = (int) (r.height() * (scaleY - scale) * 0.5f);
340 r.top += deltaY;
341 r.bottom -= deltaY;
Sunny Goyal106bf642015-07-16 12:18:06 -0700342 }
Jon Mirandae96798e2016-12-07 12:10:44 -0800343 return scale;
Winson Chung3a6e7f32013-10-09 15:50:52 -0700344 }
345
Tony Wickhamb45444b2018-05-18 16:57:01 -0700346 /**
347 * Maps t from one range to another range.
348 * @param t The value to map.
349 * @param fromMin The lower bound of the range that t is being mapped from.
350 * @param fromMax The upper bound of the range that t is being mapped from.
351 * @param toMin The lower bound of the range that t is being mapped to.
352 * @param toMax The upper bound of the range that t is being mapped to.
353 * @return The mapped value of t.
354 */
Sunny Goyal0f3af752018-06-08 13:01:04 -0700355 public static float mapToRange(float t, float fromMin, float fromMax, float toMin, float toMax,
356 Interpolator interpolator) {
Tony Wickhamb45444b2018-05-18 16:57:01 -0700357 if (fromMin == fromMax || toMin == toMax) {
358 Log.e(TAG, "mapToRange: range has 0 length");
359 return toMin;
360 }
Tonye4c2e2b2019-03-25 10:23:39 -0500361 float progress = getProgress(t, fromMin, fromMax);
Sunny Goyal0f3af752018-06-08 13:01:04 -0700362 return mapRange(interpolator.getInterpolation(progress), toMin, toMax);
Tony Wickhamb45444b2018-05-18 16:57:01 -0700363 }
364
Tonye4c2e2b2019-03-25 10:23:39 -0500365 public static float getProgress(float current, float min, float max) {
366 return Math.abs(current - min) / Math.abs(max - min);
367 }
368
Winson Chung3e803c72018-01-29 11:16:32 -0800369 public static float mapRange(float value, float min, float max) {
370 return min + (value * (max - min));
371 }
372
Sunny Goyal594d76d2014-11-06 10:12:54 -0800373 /**
Winson Chung82b016c2015-05-08 17:00:10 -0700374 * Trims the string, removing all whitespace at the beginning and end of the string.
375 * Non-breaking whitespaces are also removed.
376 */
377 public static String trim(CharSequence s) {
Winson Chungafa77e92015-05-15 12:04:03 -0700378 if (s == null) {
379 return null;
380 }
381
Winson Chung82b016c2015-05-08 17:00:10 -0700382 // Just strip any sequence of whitespace or java space characters from the beginning and end
383 Matcher m = sTrimPattern.matcher(s);
384 return m.replaceAll("$1");
385 }
Sunny Goyal70660032015-05-14 00:07:08 -0700386
Winson Chung2c6e5cc2015-06-01 14:38:24 -0700387 /**
388 * Calculates the height of a given string at a specific text size.
389 */
Sunny Goyalbaec6ff2016-09-14 11:26:21 -0700390 public static int calculateTextHeight(float textSizePx) {
Winson Chung2c6e5cc2015-06-01 14:38:24 -0700391 Paint p = new Paint();
392 p.setTextSize(textSizePx);
393 Paint.FontMetrics fm = p.getFontMetrics();
Sunny Goyalbaec6ff2016-09-14 11:26:21 -0700394 return (int) Math.ceil(fm.bottom - fm.top);
Winson Chung2c6e5cc2015-06-01 14:38:24 -0700395 }
396
Sunny Goyal70660032015-05-14 00:07:08 -0700397 public static boolean isRtl(Resources res) {
Sunny Goyala52ecb02016-12-16 15:04:51 -0800398 return res.getConfiguration().getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
Sunny Goyal70660032015-05-14 00:07:08 -0700399 }
Hyunyoung Song2bd3d7d2015-05-21 13:04:53 -0700400
Adam Cohen2e6da152015-05-06 11:42:25 -0700401 public static float dpiFromPx(int size, DisplayMetrics metrics){
402 float densityRatio = (float) metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT;
403 return (size / densityRatio);
404 }
vadimt1b383af2019-05-08 15:29:37 -0700405
Adam Cohen2e6da152015-05-06 11:42:25 -0700406 public static int pxFromSp(float size, DisplayMetrics metrics) {
407 return (int) Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,
408 size, metrics));
409 }
Sunny Goyalb1622cc2015-06-10 16:00:42 -0700410
Sunny Goyalefb7e842018-10-04 15:11:00 -0700411 public static String createDbSelectionQuery(String columnName, IntArray values) {
412 return String.format(Locale.ENGLISH, "%s IN (%s)", columnName, values.toConcatString());
Sunny Goyalb1622cc2015-06-10 16:00:42 -0700413 }
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700414
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700415 public static boolean isBootCompleted() {
Sunny Goyaldfc8b662016-08-30 12:05:48 -0700416 return "1".equals(getSystemProperty("sys.boot_completed", "1"));
417 }
418
419 public static String getSystemProperty(String property, String defaultValue) {
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700420 try {
421 Class clazz = Class.forName("android.os.SystemProperties");
422 Method getter = clazz.getDeclaredMethod("get", String.class);
Sunny Goyaldfc8b662016-08-30 12:05:48 -0700423 String value = (String) getter.invoke(null, property);
424 if (!TextUtils.isEmpty(value)) {
425 return value;
426 }
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700427 } catch (Exception e) {
428 Log.d(TAG, "Unable to read system properties");
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700429 }
Sunny Goyaldfc8b662016-08-30 12:05:48 -0700430 return defaultValue;
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700431 }
Tony Wickham29d853c2015-09-08 10:35:56 -0700432
433 /**
434 * Ensures that a value is within given bounds. Specifically:
435 * If value is less than lowerBound, return lowerBound; else if value is greater than upperBound,
436 * return upperBound; else return value unchanged.
437 */
Tony Wickhamf549dab2016-05-16 09:54:06 -0700438 public static int boundToRange(int value, int lowerBound, int upperBound) {
439 return Math.max(lowerBound, Math.min(value, upperBound));
440 }
441
442 /**
443 * @see #boundToRange(int, int, int).
444 */
445 public static float boundToRange(float value, float lowerBound, float upperBound) {
Tony Wickham29d853c2015-09-08 10:35:56 -0700446 return Math.max(lowerBound, Math.min(value, upperBound));
447 }
Sunny Goyal9d438082015-09-25 11:50:16 -0700448
Sunny Goyale78e3d72015-09-24 11:23:31 -0700449 /**
Tony Wickhamb45444b2018-05-18 16:57:01 -0700450 * @see #boundToRange(int, int, int).
451 */
452 public static long boundToRange(long value, long lowerBound, long upperBound) {
453 return Math.max(lowerBound, Math.min(value, upperBound));
454 }
455
456 /**
Sunny Goyale78e3d72015-09-24 11:23:31 -0700457 * Wraps a message with a TTS span, so that a different message is spoken than
458 * what is getting displayed.
459 * @param msg original message
460 * @param ttsMsg message to be spoken
461 */
Sunny Goyale78e3d72015-09-24 11:23:31 -0700462 public static CharSequence wrapForTts(CharSequence msg, String ttsMsg) {
Sunny Goyala52ecb02016-12-16 15:04:51 -0800463 SpannableString spanned = new SpannableString(msg);
464 spanned.setSpan(new TtsSpan.TextBuilder(ttsMsg).build(),
465 0, spanned.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE);
466 return spanned;
Sunny Goyale78e3d72015-09-24 11:23:31 -0700467 }
Winson12fb9fc2015-10-01 15:34:08 -0700468
Sunny Goyal5b636eb2019-05-29 01:09:06 -0700469 /**
470 * Prefixes a text with the provided icon
471 */
472 public static CharSequence prefixTextWithIcon(Context context, int iconRes, CharSequence msg) {
473 // Update the hint to contain the icon.
474 // Prefix the original hint with two spaces. The first space gets replaced by the icon
475 // using span. The second space is used for a singe space character between the hint
476 // and the icon.
477 SpannableString spanned = new SpannableString(" " + msg);
478 spanned.setSpan(new TintedDrawableSpan(context, iconRes),
479 0, 1, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
480 return spanned;
481 }
482
Sunny Goyalf7258242015-10-19 16:59:07 -0700483 public static SharedPreferences getPrefs(Context context) {
484 return context.getSharedPreferences(
485 LauncherFiles.SHARED_PREFERENCES_KEY, Context.MODE_PRIVATE);
486 }
Tony Wickham112ac952015-11-12 12:31:50 -0800487
Sunny Goyal9d887a22017-06-08 14:00:43 -0700488 public static SharedPreferences getDevicePrefs(Context context) {
489 return context.getSharedPreferences(
490 LauncherFiles.DEVICE_PREFERENCES_KEY, Context.MODE_PRIVATE);
491 }
492
Sunny Goyal7368fa42019-04-22 09:58:14 -0700493 public static boolean areAnimationsEnabled(Context context) {
494 return ATLEAST_OREO
495 ? ValueAnimator.areAnimatorsEnabled()
496 : !context.getSystemService(PowerManager.class).isPowerSaveMode();
Tony Wickham112ac952015-11-12 12:31:50 -0800497 }
Sunny Goyale1483fb2016-01-08 12:16:15 -0800498
Hyunyoung Song0de01172016-10-05 16:27:48 -0700499 public static boolean isWallpaperAllowed(Context context) {
Sunny Goyal8c48d8b2019-01-25 15:10:18 -0800500 return context.getSystemService(WallpaperManager.class).isSetWallpaperAllowed();
Sunny Goyal1ed6c4a2016-04-21 15:16:11 -0700501 }
502
Sunny Goyal712ee532016-11-04 10:19:58 -0700503 public static boolean isBinderSizeError(Exception e) {
504 return e.getCause() instanceof TransactionTooLargeException
505 || e.getCause() instanceof DeadObjectException;
506 }
Sunny Goyalab121c12016-12-02 19:29:43 +0530507
Tony Wickham580edcf2017-02-09 08:28:52 -0800508 /**
Sunny Goyal3483c522018-04-12 11:23:33 -0700509 * Utility method to post a runnable on the handler, skipping the synchronization barriers.
510 */
511 public static void postAsyncCallback(Handler handler, Runnable callback) {
512 Message msg = Message.obtain(handler, callback);
513 msg.setAsynchronous(true);
514 handler.sendMessage(msg);
515 }
Vadim Tryshevff3fa342018-07-25 16:29:06 -0700516
Sunny Goyal415f1732018-11-29 10:33:47 -0800517 /**
518 * Parses a string encoded using {@link #getPointString(int, int)}
519 */
520 public static Point parsePoint(String point) {
521 String[] split = point.split(",");
522 return new Point(Integer.parseInt(split[0]), Integer.parseInt(split[1]));
523 }
524
525 /**
526 * Encodes a point to string to that it can be persisted atomically.
527 */
528 public static String getPointString(int x, int y) {
529 return String.format(Locale.ENGLISH, "%d,%d", x, y);
530 }
Jon Miranda0128d3f2019-02-14 09:19:31 -0800531
Tony573c3e12019-02-22 13:10:59 -0800532 public static void unregisterReceiverSafely(Context context, BroadcastReceiver receiver) {
533 try {
534 context.unregisterReceiver(receiver);
Jon Miranda1a49fb52019-02-19 15:34:41 -0800535 } catch (IllegalArgumentException e) {}
536 }
537
538 /**
539 * Returns the full drawable for {@param info}.
540 * @param outObj this is set to the internal data associated with {@param info},
Sunny Goyal6bbf6002019-04-17 18:38:52 -0700541 * eg {@link LauncherActivityInfo} or {@link ShortcutInfo}.
Jon Miranda1a49fb52019-02-19 15:34:41 -0800542 */
543 public static Drawable getFullDrawable(Launcher launcher, ItemInfo info, int width, int height,
Jon Miranda31458392019-03-04 20:54:53 -0800544 boolean flattenDrawable, Object[] outObj) {
Jon Miranda1a49fb52019-02-19 15:34:41 -0800545 LauncherAppState appState = LauncherAppState.getInstance(launcher);
546 if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
547 LauncherActivityInfo activityInfo = LauncherAppsCompat.getInstance(launcher)
548 .resolveActivity(info.getIntent(), info.user);
549 outObj[0] = activityInfo;
550 return (activityInfo != null) ? appState.getIconCache()
Jon Miranda31458392019-03-04 20:54:53 -0800551 .getFullResIcon(activityInfo, flattenDrawable) : null;
Jon Miranda1a49fb52019-02-19 15:34:41 -0800552 } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
553 if (info instanceof PendingAddShortcutInfo) {
554 ShortcutConfigActivityInfo activityInfo =
555 ((PendingAddShortcutInfo) info).activityInfo;
556 outObj[0] = activityInfo;
557 return activityInfo.getFullResIcon(appState.getIconCache());
558 }
559 ShortcutKey key = ShortcutKey.fromItemInfo(info);
560 DeepShortcutManager sm = DeepShortcutManager.getInstance(launcher);
Sunny Goyal6bbf6002019-04-17 18:38:52 -0700561 List<ShortcutInfo> si = sm.queryForFullDetails(
Jon Miranda1a49fb52019-02-19 15:34:41 -0800562 key.componentName.getPackageName(), Arrays.asList(key.getId()), key.user);
563 if (si.isEmpty()) {
564 return null;
565 } else {
566 outObj[0] = si.get(0);
567 return sm.getShortcutIconDrawable(si.get(0),
568 appState.getInvariantDeviceProfile().fillResIconDpi);
569 }
570 } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) {
571 FolderAdaptiveIcon icon = FolderAdaptiveIcon.createFolderAdaptiveIcon(
572 launcher, info.id, new Point(width, height));
573 if (icon == null) {
574 return null;
575 }
576 outObj[0] = icon;
577 return icon;
578 } else {
579 return null;
580 }
Tony573c3e12019-02-22 13:10:59 -0800581 }
Jon Mirandac7206ca2019-05-13 14:57:50 -0700582
Jon Miranda40285752019-05-14 15:17:30 -0700583 /**
584 * For apps icons and shortcut icons that have badges, this method creates a drawable that can
585 * later on be rendered on top of the layers for the badges. For app icons, work profile badges
586 * can only be applied. For deep shortcuts, when dragged from the pop up container, there's no
587 * badge. When dragged from workspace or folder, it may contain app AND/OR work profile badge
588 **/
589 @TargetApi(Build.VERSION_CODES.O)
590 public static Drawable getBadge(Launcher launcher, ItemInfo info, Object obj) {
591 LauncherAppState appState = LauncherAppState.getInstance(launcher);
592 int iconSize = appState.getInvariantDeviceProfile().iconBitmapSize;
593 if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
594 boolean iconBadged = (info instanceof ItemInfoWithIcon)
595 && (((ItemInfoWithIcon) info).runtimeStatusFlags & FLAG_ICON_BADGED) > 0;
596 if ((info.id == ItemInfo.NO_ID && !iconBadged)
597 || !(obj instanceof ShortcutInfo)) {
598 // The item is not yet added on home screen.
599 return new FixedSizeEmptyDrawable(iconSize);
600 }
601 ShortcutInfo si = (ShortcutInfo) obj;
602 LauncherIcons li = LauncherIcons.obtain(appState.getContext());
603 Bitmap badge = li.getShortcutInfoBadge(si, appState.getIconCache()).iconBitmap;
604 li.recycle();
605 float badgeSize = launcher.getResources().getDimension(R.dimen.profile_badge_size);
606 float insetFraction = (iconSize - badgeSize) / iconSize;
607 return new InsetDrawable(new FastBitmapDrawable(badge),
608 insetFraction, insetFraction, 0, 0);
609 } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) {
610 return ((FolderAdaptiveIcon) obj).getBadge();
611 } else {
612 return launcher.getPackageManager()
613 .getUserBadgedIcon(new FixedSizeEmptyDrawable(iconSize), info.user);
614 }
615 }
616
Sunny Goyal878aa332019-05-20 12:40:42 -0700617 public static float squaredHypot(float x, float y) {
618 return x * x + y * y;
619 }
620
621 public static float squaredTouchSlop(Context context) {
622 float slop = ViewConfiguration.get(context).getScaledTouchSlop();
623 return slop * slop;
624 }
625
Jon Miranda40285752019-05-14 15:17:30 -0700626 private static class FixedSizeEmptyDrawable extends ColorDrawable {
627
628 private final int mSize;
629
630 public FixedSizeEmptyDrawable(int size) {
631 super(Color.TRANSPARENT);
632 mSize = size;
633 }
634
635 @Override
636 public int getIntrinsicHeight() {
637 return mSize;
638 }
639
640 @Override
641 public int getIntrinsicWidth() {
642 return mSize;
643 }
644 }
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800645}