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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 Goyale7b00122019-10-02 16:13:34 -070030import android.content.pm.LauncherApps;
Sunny Goyalc5c60ad2014-07-14 12:02:01 -070031import android.content.pm.ResolveInfo;
Sunny Goyal6bbf6002019-04-17 18:38:52 -070032import android.content.pm.ShortcutInfo;
Winson Chungaafa03c2010-06-11 17:34:16 -070033import android.content.res.Resources;
Jon Miranda40285752019-05-14 15:17:30 -070034import android.graphics.Bitmap;
35import android.graphics.Color;
Winson Chungc763c4e2013-07-19 13:49:06 -070036import android.graphics.Matrix;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080037import android.graphics.Paint;
Sunny Goyal415f1732018-11-29 10:33:47 -080038import android.graphics.Point;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080039import android.graphics.Rect;
Sunny Goyalb1e2e292018-02-21 10:14:30 -080040import android.graphics.RectF;
Jon Miranda40285752019-05-14 15:17:30 -070041import android.graphics.drawable.ColorDrawable;
Jon Miranda1a49fb52019-02-19 15:34:41 -080042import android.graphics.drawable.Drawable;
Jon Miranda40285752019-05-14 15:17:30 -070043import android.graphics.drawable.InsetDrawable;
Sandeep Siddhartha2efc7d92014-05-16 17:21:15 -070044import android.os.Build;
Sunny Goyal712ee532016-11-04 10:19:58 -070045import android.os.DeadObjectException;
Sunny Goyal3483c522018-04-12 11:23:33 -070046import android.os.Handler;
47import android.os.Message;
Tony Wickham112ac952015-11-12 12:31:50 -080048import android.os.PowerManager;
Sunny Goyal712ee532016-11-04 10:19:58 -070049import android.os.TransactionTooLargeException;
Hyunyoung Song58de5de2019-05-15 14:01:30 -070050import android.provider.Settings;
Sunny Goyale78e3d72015-09-24 11:23:31 -070051import android.text.Spannable;
52import android.text.SpannableString;
Sunny Goyal5c97f512015-05-19 16:03:28 -070053import android.text.TextUtils;
Sunny Goyale78e3d72015-09-24 11:23:31 -070054import android.text.style.TtsSpan;
Adam Cohen2e6da152015-05-06 11:42:25 -070055import android.util.DisplayMetrics;
Michael Jurkaa805e1a2013-08-22 15:00:33 +020056import android.util.Log;
Adam Cohen2e6da152015-05-06 11:42:25 -070057import android.util.TypedValue;
Tonyd5a3df72019-03-13 10:12:01 -050058import android.view.MotionEvent;
Winson Chungc763c4e2013-07-19 13:49:06 -070059import android.view.View;
Sunny Goyal878aa332019-05-20 12:40:42 -070060import android.view.ViewConfiguration;
Sunny Goyal0f3af752018-06-08 13:01:04 -070061import android.view.animation.Interpolator;
Sunny Goyalb1622cc2015-06-10 16:00:42 -070062
Jon Miranda1a49fb52019-02-19 15:34:41 -080063import com.android.launcher3.dragndrop.FolderAdaptiveIcon;
Sunny Goyalae6e3182019-04-30 12:04:37 -070064import com.android.launcher3.graphics.RotationMode;
Sunny Goyal5b636eb2019-05-29 01:09:06 -070065import com.android.launcher3.graphics.TintedDrawableSpan;
Sunny Goyal14168432019-10-24 15:59:49 -070066import com.android.launcher3.icons.IconProvider;
Jon Miranda40285752019-05-14 15:17:30 -070067import com.android.launcher3.icons.LauncherIcons;
Sunny Goyalfa395362019-12-11 10:00:47 -080068import com.android.launcher3.icons.ShortcutCachingLogic;
Sunny Goyale7b00122019-10-02 16:13:34 -070069import com.android.launcher3.pm.ShortcutConfigActivityInfo;
Jon Miranda1a49fb52019-02-19 15:34:41 -080070import com.android.launcher3.shortcuts.ShortcutKey;
Sunny Goyalfa395362019-12-11 10:00:47 -080071import com.android.launcher3.shortcuts.ShortcutRequest;
Sunny Goyalefb7e842018-10-04 15:11:00 -070072import com.android.launcher3.util.IntArray;
Hyunyoung Song58de5de2019-05-15 14:01:30 -070073import com.android.launcher3.util.PackageManagerHelper;
Sunny Goyalae6e3182019-04-30 12:04:37 -070074import com.android.launcher3.views.Transposable;
Jon Miranda1a49fb52019-02-19 15:34:41 -080075import com.android.launcher3.widget.PendingAddShortcutInfo;
Sunny Goyal6c56c682015-07-16 14:09:05 -070076
Sunny Goyal25aba0a2015-07-16 15:07:47 -070077import java.lang.reflect.Method;
Jon Miranda1a49fb52019-02-19 15:34:41 -080078import java.util.Arrays;
79import java.util.List;
Sunny Goyalb1622cc2015-06-10 16:00:42 -070080import java.util.Locale;
Winson Chung82b016c2015-05-08 17:00:10 -070081import java.util.regex.Matcher;
82import java.util.regex.Pattern;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080083
84/**
85 * Various utilities shared amongst the Launcher's classes.
86 */
Mathew Inwood72fbec12013-11-19 15:45:07 +000087public final class Utilities {
Rahul Chaturvedi7fc77ca2015-05-19 18:02:16 -070088
Joe Onorato1291a8c2009-09-15 15:07:25 -040089 private static final String TAG = "Launcher.Utilities";
90
Winson Chung82b016c2015-05-08 17:00:10 -070091 private static final Pattern sTrimPattern =
92 Pattern.compile("^[\\s|\\p{javaSpaceChar}]*(.*)[\\s|\\p{javaSpaceChar}]*$");
93
Sunny Goyal53d7ee42015-05-22 12:25:45 -070094 private static final int[] sLoc0 = new int[2];
95 private static final int[] sLoc1 = new int[2];
Sunny Goyal5e0e94f2016-10-28 10:01:00 -070096 private static final Matrix sMatrix = new Matrix();
97 private static final Matrix sInverseMatrix = new Matrix();
Michael Jurka7ad868b2013-12-12 15:04:25 +010098
Pinyao Ting49a3e692019-07-26 12:28:38 -070099 public static final String[] EMPTY_STRING_ARRAY = new String[0];
100 public static final Person[] EMPTY_PERSON_ARRAY = new Person[0];
101
Sunny Goyal03340472019-05-17 16:57:12 -0700102 public static final boolean ATLEAST_Q = Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q;
Lucas Dupineca08a12018-08-11 15:53:40 -0700103
Tony Wickham8155fa22018-05-18 17:18:49 -0700104 public static final boolean ATLEAST_P =
105 Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
Tony Mak6eeb0402018-01-03 14:41:31 +0000106
Hyunyoung Songe24cb632017-09-11 11:18:03 -0700107 public static final boolean ATLEAST_OREO_MR1 =
108 Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1;
109
110 public static final boolean ATLEAST_OREO =
111 Build.VERSION.SDK_INT >= Build.VERSION_CODES.O;
Sunny Goyaldcc0ba22016-11-02 11:22:39 -0700112
Sunny Goyal49f19f02017-01-05 14:36:02 -0800113 /**
Tonyd5a3df72019-03-13 10:12:01 -0500114 * Set on a motion event dispatched from the nav bar. See {@link MotionEvent#setEdgeFlags(int)}.
115 */
116 public static final int EDGE_NAV_BAR = 1 << 8;
117
118 /**
Sunny Goyal49f19f02017-01-05 14:36:02 -0800119 * Indicates if the device has a debug build. Should only be used to store additional info or
120 * add extra logging and not for changing the app behavior.
121 */
Tobias Dubois9c0ad562018-06-11 16:17:17 +0200122 public static final boolean IS_DEBUG_DEVICE =
123 Build.TYPE.toLowerCase(Locale.ROOT).contains("debug") ||
124 Build.TYPE.toLowerCase(Locale.ROOT).equals("eng");
Sunny Goyal49f19f02017-01-05 14:36:02 -0800125
Hyunyoung Song58de5de2019-05-15 14:01:30 -0700126 public static boolean isDevelopersOptionsEnabled(Context context) {
127 return Settings.Global.getInt(context.getApplicationContext().getContentResolver(),
128 Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
129 }
130
Sunny Goyal6f866092016-03-17 17:04:15 -0700131 // An intent extra to indicate the horizontal scroll of the wallpaper.
132 public static final String EXTRA_WALLPAPER_OFFSET = "com.android.launcher3.WALLPAPER_OFFSET";
Hyunyoung Song29e5d442019-02-07 10:33:55 -0800133 public static final String EXTRA_WALLPAPER_FLAVOR = "com.android.launcher3.WALLPAPER_FLAVOR";
Sunny Goyal6f866092016-03-17 17:04:15 -0700134
Vadim Tryshevc2950982018-10-04 16:33:45 -0700135 public static boolean IS_RUNNING_IN_TEST_HARNESS =
Vadim Tryshev2ce6a132018-06-18 19:14:44 -0700136 ActivityManager.isRunningInTestHarness();
137
Vadim Tryshevc2950982018-10-04 16:33:45 -0700138 public static void enableRunningInTestHarnessForTests() {
139 IS_RUNNING_IN_TEST_HARNESS = true;
140 }
141
Sunny Goyal4bbf4192014-11-11 12:23:59 -0800142 public static boolean isPropertyEnabled(String propertyName) {
Michael Jurka7ad868b2013-12-12 15:04:25 +0100143 return Log.isLoggable(propertyName, Log.VERBOSE);
144 }
145
Hyunyoung Song58de5de2019-05-15 14:01:30 -0700146 public static boolean existsStyleWallpapers(Context context) {
147 ResolveInfo ri = context.getPackageManager().resolveActivity(
148 PackageManagerHelper.getStyleWallpapersIntent(context), 0);
149 return ri != null;
150 }
151
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800152 /**
Winson Chungc763c4e2013-07-19 13:49:06 -0700153 * Given a coordinate relative to the descendant, find the coordinate in a parent view's
154 * coordinates.
155 *
156 * @param descendant The descendant to which the passed coordinate is relative.
Sunny Goyale8b5d202016-06-13 16:36:59 -0700157 * @param ancestor The root view to make the coordinates relative to.
Winson Chungc763c4e2013-07-19 13:49:06 -0700158 * @param coord The coordinate that we want mapped.
159 * @param includeRootScroll Whether or not to account for the scroll of the descendant:
160 * sometimes this is relevant as in a child's coordinates within the descendant.
161 * @return The factor by which this descendant is scaled relative to this DragLayer. Caution
162 * this scale factor is assumed to be equal in X and Y, and so if at any point this
163 * assumption fails, we will need to return a pair of scale factors.
164 */
Sunny Goyale8b5d202016-06-13 16:36:59 -0700165 public static float getDescendantCoordRelativeToAncestor(
Sunny Goyalae6e3182019-04-30 12:04:37 -0700166 View descendant, View ancestor, float[] coord, boolean includeRootScroll) {
167 return getDescendantCoordRelativeToAncestor(descendant, ancestor, coord, includeRootScroll,
Sunny Goyal878f6d32019-05-03 11:14:16 -0700168 false, null);
Sunny Goyalae6e3182019-04-30 12:04:37 -0700169 }
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700170
Sunny Goyalae6e3182019-04-30 12:04:37 -0700171 /**
172 * Given a coordinate relative to the descendant, find the coordinate in a parent view's
173 * coordinates.
174 *
175 * @param descendant The descendant to which the passed coordinate is relative.
176 * @param ancestor The root view to make the coordinates relative to.
177 * @param coord The coordinate that we want mapped.
178 * @param includeRootScroll Whether or not to account for the scroll of the descendant:
179 * sometimes this is relevant as in a child's coordinates within the descendant.
180 * @param ignoreTransform If true, view transform is ignored
Sunny Goyal878f6d32019-05-03 11:14:16 -0700181 * @param outRotation If not null, and {@param ignoreTransform} is true, this is set to the
182 * overall rotation of the view in degrees.
Sunny Goyalae6e3182019-04-30 12:04:37 -0700183 * @return The factor by which this descendant is scaled relative to this DragLayer. Caution
184 * this scale factor is assumed to be equal in X and Y, and so if at any point this
185 * assumption fails, we will need to return a pair of scale factors.
186 */
187 public static float getDescendantCoordRelativeToAncestor(View descendant, View ancestor,
Sunny Goyal878f6d32019-05-03 11:14:16 -0700188 float[] coord, boolean includeRootScroll, boolean ignoreTransform,
189 float[] outRotation) {
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700190 float scale = 1.0f;
Winson Chungc763c4e2013-07-19 13:49:06 -0700191 View v = descendant;
Sunny Goyale8b5d202016-06-13 16:36:59 -0700192 while(v != ancestor && v != null) {
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700193 // For TextViews, scroll has a meaning which relates to the text position
194 // which is very strange... ignore the scroll.
195 if (v != descendant || includeRootScroll) {
Sunny Goyalae6e3182019-04-30 12:04:37 -0700196 offsetPoints(coord, -v.getScrollX(), -v.getScrollY());
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700197 }
198
Sunny Goyalae6e3182019-04-30 12:04:37 -0700199 if (ignoreTransform) {
200 if (v instanceof Transposable) {
201 RotationMode m = ((Transposable) v).getRotationMode();
202 if (m.isTransposed) {
203 sMatrix.setRotate(m.surfaceRotation, v.getPivotX(), v.getPivotY());
204 sMatrix.mapPoints(coord);
Sunny Goyal878f6d32019-05-03 11:14:16 -0700205
206 if (outRotation != null) {
207 outRotation[0] += m.surfaceRotation;
208 }
Sunny Goyalae6e3182019-04-30 12:04:37 -0700209 }
210 }
211 } else {
212 v.getMatrix().mapPoints(coord);
213 }
214 offsetPoints(coord, v.getLeft(), v.getTop());
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700215 scale *= v.getScaleX();
216
Winson Chungc763c4e2013-07-19 13:49:06 -0700217 v = (View) v.getParent();
218 }
Winson Chungc763c4e2013-07-19 13:49:06 -0700219 return scale;
220 }
221
222 /**
Sunny Goyalae6e3182019-04-30 12:04:37 -0700223 * Inverse of {@link #getDescendantCoordRelativeToAncestor(View, View, float[], boolean)}.
Winson Chungc763c4e2013-07-19 13:49:06 -0700224 */
Sunny Goyalae6e3182019-04-30 12:04:37 -0700225 public static void mapCoordInSelfToDescendant(View descendant, View root, float[] coord) {
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700226 sMatrix.reset();
Winson Chungc763c4e2013-07-19 13:49:06 -0700227 View v = descendant;
228 while(v != root) {
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700229 sMatrix.postTranslate(-v.getScrollX(), -v.getScrollY());
230 sMatrix.postConcat(v.getMatrix());
231 sMatrix.postTranslate(v.getLeft(), v.getTop());
Winson Chungc763c4e2013-07-19 13:49:06 -0700232 v = (View) v.getParent();
233 }
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700234 sMatrix.postTranslate(-v.getScrollX(), -v.getScrollY());
235 sMatrix.invert(sInverseMatrix);
Sunny Goyalae6e3182019-04-30 12:04:37 -0700236 sInverseMatrix.mapPoints(coord);
237 }
Winson Chungc763c4e2013-07-19 13:49:06 -0700238
Sunny Goyalae6e3182019-04-30 12:04:37 -0700239 /**
240 * Sets {@param out} to be same as {@param in} by rounding individual values
241 */
242 public static void roundArray(float[] in, int[] out) {
243 for (int i = 0; i < in.length; i++) {
244 out[i] = Math.round(in[i]);
245 }
246 }
247
248 public static void offsetPoints(float[] points, float offsetX, float offsetY) {
249 for (int i = 0; i < points.length; i += 2) {
250 points[i] += offsetX;
251 points[i + 1] += offsetY;
252 }
Winson Chungc763c4e2013-07-19 13:49:06 -0700253 }
254
Jason Monk02dd7ae2014-04-15 15:23:31 -0400255 /**
256 * Utility method to determine whether the given point, in local coordinates,
257 * is inside the view, where the area of the view is expanded by the slop factor.
258 * This method is called while processing touch-move events to determine if the event
259 * is still within the view.
260 */
261 public static boolean pointInView(View v, float localX, float localY, float slop) {
262 return localX >= -slop && localY >= -slop && localX < (v.getWidth() + slop) &&
263 localY < (v.getHeight() + slop);
264 }
265
Sunny Goyala52ecb02016-12-16 15:04:51 -0800266 public static int[] getCenterDeltaInScreenSpace(View v0, View v1) {
Adam Cohen63f1ec02014-08-12 09:23:13 -0700267 v0.getLocationInWindow(sLoc0);
268 v1.getLocationInWindow(sLoc1);
269
270 sLoc0[0] += (v0.getMeasuredWidth() * v0.getScaleX()) / 2;
271 sLoc0[1] += (v0.getMeasuredHeight() * v0.getScaleY()) / 2;
272 sLoc1[0] += (v1.getMeasuredWidth() * v1.getScaleX()) / 2;
273 sLoc1[1] += (v1.getMeasuredHeight() * v1.getScaleY()) / 2;
Sunny Goyala52ecb02016-12-16 15:04:51 -0800274 return new int[] {sLoc1[0] - sLoc0[0], sLoc1[1] - sLoc0[1]};
Adam Cohen63f1ec02014-08-12 09:23:13 -0700275 }
276
Sunny Goyalb1e2e292018-02-21 10:14:30 -0800277 public static void scaleRectFAboutCenter(RectF r, float scale) {
278 if (scale != 1.0f) {
279 float cx = r.centerX();
280 float cy = r.centerY();
281 r.offset(-cx, -cy);
282 r.left = r.left * scale;
283 r.top = r.top * scale ;
284 r.right = r.right * scale;
285 r.bottom = r.bottom * scale;
286 r.offset(cx, cy);
287 }
288 }
289
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800290 public static void scaleRectAboutCenter(Rect r, float scale) {
291 if (scale != 1.0f) {
292 int cx = r.centerX();
293 int cy = r.centerY();
294 r.offset(-cx, -cy);
Winson Chung3e803c72018-01-29 11:16:32 -0800295 scaleRect(r, scale);
296 r.offset(cx, cy);
297 }
298 }
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800299
Winson Chung3e803c72018-01-29 11:16:32 -0800300 public static void scaleRect(Rect r, float scale) {
301 if (scale != 1.0f) {
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800302 r.left = (int) (r.left * scale + 0.5f);
303 r.top = (int) (r.top * scale + 0.5f);
304 r.right = (int) (r.right * scale + 0.5f);
305 r.bottom = (int) (r.bottom * scale + 0.5f);
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800306 }
307 }
308
Winson Chung3e803c72018-01-29 11:16:32 -0800309 public static void insetRect(Rect r, Rect insets) {
310 r.left = Math.min(r.right, r.left + insets.left);
311 r.top = Math.min(r.bottom, r.top + insets.top);
312 r.right = Math.max(r.left, r.right - insets.right);
313 r.bottom = Math.max(r.top, r.bottom - insets.bottom);
314 }
315
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800316 public static float shrinkRect(Rect r, float scaleX, float scaleY) {
Jon Mirandae96798e2016-12-07 12:10:44 -0800317 float scale = Math.min(Math.min(scaleX, scaleY), 1.0f);
318 if (scale < 1.0f) {
319 int deltaX = (int) (r.width() * (scaleX - scale) * 0.5f);
320 r.left += deltaX;
321 r.right -= deltaX;
Sunny Goyal106bf642015-07-16 12:18:06 -0700322
Jon Mirandae96798e2016-12-07 12:10:44 -0800323 int deltaY = (int) (r.height() * (scaleY - scale) * 0.5f);
324 r.top += deltaY;
325 r.bottom -= deltaY;
Sunny Goyal106bf642015-07-16 12:18:06 -0700326 }
Jon Mirandae96798e2016-12-07 12:10:44 -0800327 return scale;
Winson Chung3a6e7f32013-10-09 15:50:52 -0700328 }
329
Tony Wickhamb45444b2018-05-18 16:57:01 -0700330 /**
331 * Maps t from one range to another range.
332 * @param t The value to map.
333 * @param fromMin The lower bound of the range that t is being mapped from.
334 * @param fromMax The upper bound of the range that t is being mapped from.
335 * @param toMin The lower bound of the range that t is being mapped to.
336 * @param toMax The upper bound of the range that t is being mapped to.
337 * @return The mapped value of t.
338 */
Sunny Goyal0f3af752018-06-08 13:01:04 -0700339 public static float mapToRange(float t, float fromMin, float fromMax, float toMin, float toMax,
340 Interpolator interpolator) {
Tony Wickhamb45444b2018-05-18 16:57:01 -0700341 if (fromMin == fromMax || toMin == toMax) {
342 Log.e(TAG, "mapToRange: range has 0 length");
343 return toMin;
344 }
Tonye4c2e2b2019-03-25 10:23:39 -0500345 float progress = getProgress(t, fromMin, fromMax);
Sunny Goyal0f3af752018-06-08 13:01:04 -0700346 return mapRange(interpolator.getInterpolation(progress), toMin, toMax);
Tony Wickhamb45444b2018-05-18 16:57:01 -0700347 }
348
Tonye4c2e2b2019-03-25 10:23:39 -0500349 public static float getProgress(float current, float min, float max) {
350 return Math.abs(current - min) / Math.abs(max - min);
351 }
352
Winson Chung3e803c72018-01-29 11:16:32 -0800353 public static float mapRange(float value, float min, float max) {
354 return min + (value * (max - min));
355 }
356
Sunny Goyal594d76d2014-11-06 10:12:54 -0800357 /**
Winson Chung82b016c2015-05-08 17:00:10 -0700358 * Trims the string, removing all whitespace at the beginning and end of the string.
359 * Non-breaking whitespaces are also removed.
360 */
361 public static String trim(CharSequence s) {
Winson Chungafa77e92015-05-15 12:04:03 -0700362 if (s == null) {
363 return null;
364 }
365
Winson Chung82b016c2015-05-08 17:00:10 -0700366 // Just strip any sequence of whitespace or java space characters from the beginning and end
367 Matcher m = sTrimPattern.matcher(s);
368 return m.replaceAll("$1");
369 }
Sunny Goyal70660032015-05-14 00:07:08 -0700370
Winson Chung2c6e5cc2015-06-01 14:38:24 -0700371 /**
372 * Calculates the height of a given string at a specific text size.
373 */
Sunny Goyalbaec6ff2016-09-14 11:26:21 -0700374 public static int calculateTextHeight(float textSizePx) {
Winson Chung2c6e5cc2015-06-01 14:38:24 -0700375 Paint p = new Paint();
376 p.setTextSize(textSizePx);
377 Paint.FontMetrics fm = p.getFontMetrics();
Sunny Goyalbaec6ff2016-09-14 11:26:21 -0700378 return (int) Math.ceil(fm.bottom - fm.top);
Winson Chung2c6e5cc2015-06-01 14:38:24 -0700379 }
380
Sunny Goyal70660032015-05-14 00:07:08 -0700381 public static boolean isRtl(Resources res) {
Sunny Goyala52ecb02016-12-16 15:04:51 -0800382 return res.getConfiguration().getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
Sunny Goyal70660032015-05-14 00:07:08 -0700383 }
Hyunyoung Song2bd3d7d2015-05-21 13:04:53 -0700384
Adam Cohen2e6da152015-05-06 11:42:25 -0700385 public static float dpiFromPx(int size, DisplayMetrics metrics){
386 float densityRatio = (float) metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT;
387 return (size / densityRatio);
388 }
vadimt1b383af2019-05-08 15:29:37 -0700389
Adam Cohen2e6da152015-05-06 11:42:25 -0700390 public static int pxFromSp(float size, DisplayMetrics metrics) {
391 return (int) Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,
392 size, metrics));
393 }
Sunny Goyalb1622cc2015-06-10 16:00:42 -0700394
Sunny Goyalefb7e842018-10-04 15:11:00 -0700395 public static String createDbSelectionQuery(String columnName, IntArray values) {
396 return String.format(Locale.ENGLISH, "%s IN (%s)", columnName, values.toConcatString());
Sunny Goyalb1622cc2015-06-10 16:00:42 -0700397 }
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700398
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700399 public static boolean isBootCompleted() {
Sunny Goyaldfc8b662016-08-30 12:05:48 -0700400 return "1".equals(getSystemProperty("sys.boot_completed", "1"));
401 }
402
403 public static String getSystemProperty(String property, String defaultValue) {
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700404 try {
405 Class clazz = Class.forName("android.os.SystemProperties");
406 Method getter = clazz.getDeclaredMethod("get", String.class);
Sunny Goyaldfc8b662016-08-30 12:05:48 -0700407 String value = (String) getter.invoke(null, property);
408 if (!TextUtils.isEmpty(value)) {
409 return value;
410 }
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700411 } catch (Exception e) {
412 Log.d(TAG, "Unable to read system properties");
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700413 }
Sunny Goyaldfc8b662016-08-30 12:05:48 -0700414 return defaultValue;
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700415 }
Tony Wickham29d853c2015-09-08 10:35:56 -0700416
417 /**
418 * Ensures that a value is within given bounds. Specifically:
419 * If value is less than lowerBound, return lowerBound; else if value is greater than upperBound,
420 * return upperBound; else return value unchanged.
421 */
Tony Wickhamf549dab2016-05-16 09:54:06 -0700422 public static int boundToRange(int value, int lowerBound, int upperBound) {
423 return Math.max(lowerBound, Math.min(value, upperBound));
424 }
425
426 /**
427 * @see #boundToRange(int, int, int).
428 */
429 public static float boundToRange(float value, float lowerBound, float upperBound) {
Tony Wickham29d853c2015-09-08 10:35:56 -0700430 return Math.max(lowerBound, Math.min(value, upperBound));
431 }
Sunny Goyal9d438082015-09-25 11:50:16 -0700432
Sunny Goyale78e3d72015-09-24 11:23:31 -0700433 /**
Tony Wickhamb45444b2018-05-18 16:57:01 -0700434 * @see #boundToRange(int, int, int).
435 */
436 public static long boundToRange(long value, long lowerBound, long upperBound) {
437 return Math.max(lowerBound, Math.min(value, upperBound));
438 }
439
440 /**
Sunny Goyale78e3d72015-09-24 11:23:31 -0700441 * Wraps a message with a TTS span, so that a different message is spoken than
442 * what is getting displayed.
443 * @param msg original message
444 * @param ttsMsg message to be spoken
445 */
Sunny Goyale78e3d72015-09-24 11:23:31 -0700446 public static CharSequence wrapForTts(CharSequence msg, String ttsMsg) {
Sunny Goyala52ecb02016-12-16 15:04:51 -0800447 SpannableString spanned = new SpannableString(msg);
448 spanned.setSpan(new TtsSpan.TextBuilder(ttsMsg).build(),
449 0, spanned.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE);
450 return spanned;
Sunny Goyale78e3d72015-09-24 11:23:31 -0700451 }
Winson12fb9fc2015-10-01 15:34:08 -0700452
Sunny Goyal5b636eb2019-05-29 01:09:06 -0700453 /**
454 * Prefixes a text with the provided icon
455 */
456 public static CharSequence prefixTextWithIcon(Context context, int iconRes, CharSequence msg) {
457 // Update the hint to contain the icon.
458 // Prefix the original hint with two spaces. The first space gets replaced by the icon
459 // using span. The second space is used for a singe space character between the hint
460 // and the icon.
461 SpannableString spanned = new SpannableString(" " + msg);
462 spanned.setSpan(new TintedDrawableSpan(context, iconRes),
463 0, 1, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
464 return spanned;
465 }
466
Sunny Goyalf7258242015-10-19 16:59:07 -0700467 public static SharedPreferences getPrefs(Context context) {
468 return context.getSharedPreferences(
469 LauncherFiles.SHARED_PREFERENCES_KEY, Context.MODE_PRIVATE);
470 }
Tony Wickham112ac952015-11-12 12:31:50 -0800471
Sunny Goyal9d887a22017-06-08 14:00:43 -0700472 public static SharedPreferences getDevicePrefs(Context context) {
473 return context.getSharedPreferences(
474 LauncherFiles.DEVICE_PREFERENCES_KEY, Context.MODE_PRIVATE);
475 }
476
Sunny Goyal7368fa42019-04-22 09:58:14 -0700477 public static boolean areAnimationsEnabled(Context context) {
478 return ATLEAST_OREO
479 ? ValueAnimator.areAnimatorsEnabled()
480 : !context.getSystemService(PowerManager.class).isPowerSaveMode();
Tony Wickham112ac952015-11-12 12:31:50 -0800481 }
Sunny Goyale1483fb2016-01-08 12:16:15 -0800482
Hyunyoung Song0de01172016-10-05 16:27:48 -0700483 public static boolean isWallpaperAllowed(Context context) {
Sunny Goyal8c48d8b2019-01-25 15:10:18 -0800484 return context.getSystemService(WallpaperManager.class).isSetWallpaperAllowed();
Sunny Goyal1ed6c4a2016-04-21 15:16:11 -0700485 }
486
Sunny Goyal712ee532016-11-04 10:19:58 -0700487 public static boolean isBinderSizeError(Exception e) {
488 return e.getCause() instanceof TransactionTooLargeException
489 || e.getCause() instanceof DeadObjectException;
490 }
Sunny Goyalab121c12016-12-02 19:29:43 +0530491
Tony Wickham580edcf2017-02-09 08:28:52 -0800492 /**
Sunny Goyal3483c522018-04-12 11:23:33 -0700493 * Utility method to post a runnable on the handler, skipping the synchronization barriers.
494 */
495 public static void postAsyncCallback(Handler handler, Runnable callback) {
496 Message msg = Message.obtain(handler, callback);
497 msg.setAsynchronous(true);
498 handler.sendMessage(msg);
499 }
Vadim Tryshevff3fa342018-07-25 16:29:06 -0700500
Sunny Goyal415f1732018-11-29 10:33:47 -0800501 /**
502 * Parses a string encoded using {@link #getPointString(int, int)}
503 */
504 public static Point parsePoint(String point) {
505 String[] split = point.split(",");
506 return new Point(Integer.parseInt(split[0]), Integer.parseInt(split[1]));
507 }
508
509 /**
510 * Encodes a point to string to that it can be persisted atomically.
511 */
512 public static String getPointString(int x, int y) {
513 return String.format(Locale.ENGLISH, "%d,%d", x, y);
514 }
Jon Miranda0128d3f2019-02-14 09:19:31 -0800515
Tony573c3e12019-02-22 13:10:59 -0800516 public static void unregisterReceiverSafely(Context context, BroadcastReceiver receiver) {
517 try {
518 context.unregisterReceiver(receiver);
Jon Miranda1a49fb52019-02-19 15:34:41 -0800519 } catch (IllegalArgumentException e) {}
520 }
521
522 /**
Sunny Goyal14168432019-10-24 15:59:49 -0700523 * Returns the full drawable for info without any flattening or pre-processing.
524 *
Jon Miranda1a49fb52019-02-19 15:34:41 -0800525 * @param outObj this is set to the internal data associated with {@param info},
Sunny Goyal6bbf6002019-04-17 18:38:52 -0700526 * eg {@link LauncherActivityInfo} or {@link ShortcutInfo}.
Jon Miranda1a49fb52019-02-19 15:34:41 -0800527 */
528 public static Drawable getFullDrawable(Launcher launcher, ItemInfo info, int width, int height,
Sunny Goyal14168432019-10-24 15:59:49 -0700529 Object[] outObj) {
Jon Miranda1a49fb52019-02-19 15:34:41 -0800530 LauncherAppState appState = LauncherAppState.getInstance(launcher);
531 if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
Sunny Goyale7b00122019-10-02 16:13:34 -0700532 LauncherActivityInfo activityInfo = launcher.getSystemService(LauncherApps.class)
Jon Miranda1a49fb52019-02-19 15:34:41 -0800533 .resolveActivity(info.getIntent(), info.user);
534 outObj[0] = activityInfo;
Sunny Goyal14168432019-10-24 15:59:49 -0700535 return activityInfo == null ? null : new IconProvider(launcher).getIconForUI(
536 activityInfo, launcher.getDeviceProfile().inv.fillResIconDpi);
Jon Miranda1a49fb52019-02-19 15:34:41 -0800537 } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
538 if (info instanceof PendingAddShortcutInfo) {
539 ShortcutConfigActivityInfo activityInfo =
540 ((PendingAddShortcutInfo) info).activityInfo;
541 outObj[0] = activityInfo;
542 return activityInfo.getFullResIcon(appState.getIconCache());
543 }
Sunny Goyalfa395362019-12-11 10:00:47 -0800544 List<ShortcutInfo> si = ShortcutKey.fromItemInfo(info)
545 .buildRequest(launcher)
546 .query(ShortcutRequest.ALL);
Jon Miranda1a49fb52019-02-19 15:34:41 -0800547 if (si.isEmpty()) {
548 return null;
549 } else {
550 outObj[0] = si.get(0);
Sunny Goyalfa395362019-12-11 10:00:47 -0800551 return ShortcutCachingLogic.getIcon(launcher, si.get(0),
Jon Miranda1a49fb52019-02-19 15:34:41 -0800552 appState.getInvariantDeviceProfile().fillResIconDpi);
553 }
554 } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) {
555 FolderAdaptiveIcon icon = FolderAdaptiveIcon.createFolderAdaptiveIcon(
556 launcher, info.id, new Point(width, height));
557 if (icon == null) {
558 return null;
559 }
560 outObj[0] = icon;
561 return icon;
562 } else {
563 return null;
564 }
Tony573c3e12019-02-22 13:10:59 -0800565 }
Jon Mirandac7206ca2019-05-13 14:57:50 -0700566
Jon Miranda40285752019-05-14 15:17:30 -0700567 /**
568 * For apps icons and shortcut icons that have badges, this method creates a drawable that can
569 * later on be rendered on top of the layers for the badges. For app icons, work profile badges
570 * can only be applied. For deep shortcuts, when dragged from the pop up container, there's no
571 * badge. When dragged from workspace or folder, it may contain app AND/OR work profile badge
572 **/
573 @TargetApi(Build.VERSION_CODES.O)
574 public static Drawable getBadge(Launcher launcher, ItemInfo info, Object obj) {
575 LauncherAppState appState = LauncherAppState.getInstance(launcher);
576 int iconSize = appState.getInvariantDeviceProfile().iconBitmapSize;
577 if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
578 boolean iconBadged = (info instanceof ItemInfoWithIcon)
579 && (((ItemInfoWithIcon) info).runtimeStatusFlags & FLAG_ICON_BADGED) > 0;
580 if ((info.id == ItemInfo.NO_ID && !iconBadged)
581 || !(obj instanceof ShortcutInfo)) {
582 // The item is not yet added on home screen.
583 return new FixedSizeEmptyDrawable(iconSize);
584 }
585 ShortcutInfo si = (ShortcutInfo) obj;
586 LauncherIcons li = LauncherIcons.obtain(appState.getContext());
Sunny Goyal3808a692019-10-25 13:41:28 -0700587 Bitmap badge = li.getShortcutInfoBadge(si, appState.getIconCache()).bitmap.icon;
Jon Miranda40285752019-05-14 15:17:30 -0700588 li.recycle();
Samuel Fufa37b24892019-11-05 15:29:10 -0800589 float badgeSize = LauncherIcons.getBadgeSizeForIconSize(iconSize);
Jon Miranda40285752019-05-14 15:17:30 -0700590 float insetFraction = (iconSize - badgeSize) / iconSize;
591 return new InsetDrawable(new FastBitmapDrawable(badge),
592 insetFraction, insetFraction, 0, 0);
593 } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) {
594 return ((FolderAdaptiveIcon) obj).getBadge();
595 } else {
596 return launcher.getPackageManager()
597 .getUserBadgedIcon(new FixedSizeEmptyDrawable(iconSize), info.user);
598 }
599 }
600
Sunny Goyal878aa332019-05-20 12:40:42 -0700601 public static float squaredHypot(float x, float y) {
602 return x * x + y * y;
603 }
604
605 public static float squaredTouchSlop(Context context) {
606 float slop = ViewConfiguration.get(context).getScaledTouchSlop();
607 return slop * slop;
608 }
609
Jon Miranda40285752019-05-14 15:17:30 -0700610 private static class FixedSizeEmptyDrawable extends ColorDrawable {
611
612 private final int mSize;
613
614 public FixedSizeEmptyDrawable(int size) {
615 super(Color.TRANSPARENT);
616 mSize = size;
617 }
618
619 @Override
620 public int getIntrinsicHeight() {
621 return mSize;
622 }
623
624 @Override
625 public int getIntrinsicWidth() {
626 return mSize;
627 }
628 }
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800629}