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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 Goyal7368fa42019-04-22 09:58:14 -070019import android.animation.ValueAnimator;
Jon Miranda40285752019-05-14 15:17:30 -070020import android.annotation.TargetApi;
Vadim Tryshev2ce6a132018-06-18 19:14:44 -070021import android.app.ActivityManager;
Sunny Goyal1ed6c4a2016-04-21 15:16:11 -070022import android.app.WallpaperManager;
Tony573c3e12019-02-22 13:10:59 -080023import android.content.BroadcastReceiver;
Sunny Goyalc5c60ad2014-07-14 12:02:01 -070024import android.content.ComponentName;
Winson Chungaafa03c2010-06-11 17:34:16 -070025import android.content.Context;
Michael Jurkaa805e1a2013-08-22 15:00:33 +020026import android.content.Intent;
Rahul Chaturvedi7fc77ca2015-05-19 18:02:16 -070027import android.content.SharedPreferences;
Sunny Goyalc5c60ad2014-07-14 12:02:01 -070028import android.content.pm.ApplicationInfo;
Jon Miranda1a49fb52019-02-19 15:34:41 -080029import android.content.pm.LauncherActivityInfo;
Sunny Goyalc5c60ad2014-07-14 12:02:01 -070030import android.content.pm.PackageInfo;
31import android.content.pm.PackageManager;
32import android.content.pm.PackageManager.NameNotFoundException;
33import android.content.pm.ResolveInfo;
Sunny Goyal6bbf6002019-04-17 18:38:52 -070034import android.content.pm.ShortcutInfo;
Winson Chungaafa03c2010-06-11 17:34:16 -070035import android.content.res.Resources;
Jon Miranda40285752019-05-14 15:17:30 -070036import android.graphics.Bitmap;
37import android.graphics.Color;
Winson Chungc763c4e2013-07-19 13:49:06 -070038import android.graphics.Matrix;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080039import android.graphics.Paint;
Sunny Goyal415f1732018-11-29 10:33:47 -080040import android.graphics.Point;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080041import android.graphics.Rect;
Sunny Goyalb1e2e292018-02-21 10:14:30 -080042import android.graphics.RectF;
Jon Miranda40285752019-05-14 15:17:30 -070043import android.graphics.drawable.ColorDrawable;
Jon Miranda1a49fb52019-02-19 15:34:41 -080044import android.graphics.drawable.Drawable;
Jon Miranda40285752019-05-14 15:17:30 -070045import android.graphics.drawable.InsetDrawable;
Sandeep Siddhartha2efc7d92014-05-16 17:21:15 -070046import android.os.Build;
Sunny Goyal4e5cc642015-06-25 16:37:44 -070047import android.os.Bundle;
Sunny Goyal712ee532016-11-04 10:19:58 -070048import android.os.DeadObjectException;
Sunny Goyal3483c522018-04-12 11:23:33 -070049import android.os.Handler;
50import android.os.Message;
Tony Wickham112ac952015-11-12 12:31:50 -080051import android.os.PowerManager;
Sunny Goyal712ee532016-11-04 10:19:58 -070052import android.os.TransactionTooLargeException;
Hyunyoung Song58de5de2019-05-15 14:01:30 -070053import android.provider.Settings;
Sunny Goyale78e3d72015-09-24 11:23:31 -070054import android.text.Spannable;
55import android.text.SpannableString;
Sunny Goyal5c97f512015-05-19 16:03:28 -070056import android.text.TextUtils;
Sunny Goyale78e3d72015-09-24 11:23:31 -070057import android.text.style.TtsSpan;
Adam Cohen2e6da152015-05-06 11:42:25 -070058import android.util.DisplayMetrics;
Michael Jurkaa805e1a2013-08-22 15:00:33 +020059import android.util.Log;
Sunny Goyal0fe505b2014-08-06 09:55:36 -070060import android.util.Pair;
Adam Cohen2e6da152015-05-06 11:42:25 -070061import android.util.TypedValue;
Tonyd5a3df72019-03-13 10:12:01 -050062import android.view.MotionEvent;
Winson Chungc763c4e2013-07-19 13:49:06 -070063import android.view.View;
Sunny Goyal878aa332019-05-20 12:40:42 -070064import android.view.ViewConfiguration;
Sunny Goyal0f3af752018-06-08 13:01:04 -070065import android.view.animation.Interpolator;
Sunny Goyalb1622cc2015-06-10 16:00:42 -070066
Jon Miranda1a49fb52019-02-19 15:34:41 -080067import com.android.launcher3.compat.LauncherAppsCompat;
68import com.android.launcher3.compat.ShortcutConfigActivityInfo;
Sunny Goyal3d706ad2017-03-06 16:56:39 -080069import com.android.launcher3.config.FeatureFlags;
Jon Miranda1a49fb52019-02-19 15:34:41 -080070import com.android.launcher3.dragndrop.FolderAdaptiveIcon;
Sunny Goyalae6e3182019-04-30 12:04:37 -070071import com.android.launcher3.graphics.RotationMode;
Jon Miranda40285752019-05-14 15:17:30 -070072import com.android.launcher3.icons.LauncherIcons;
Jon Miranda1a49fb52019-02-19 15:34:41 -080073import com.android.launcher3.shortcuts.DeepShortcutManager;
Jon Miranda1a49fb52019-02-19 15:34:41 -080074import com.android.launcher3.shortcuts.ShortcutKey;
Sunny Goyalefb7e842018-10-04 15:11:00 -070075import com.android.launcher3.util.IntArray;
Hyunyoung Song58de5de2019-05-15 14:01:30 -070076import com.android.launcher3.util.PackageManagerHelper;
Sunny Goyalae6e3182019-04-30 12:04:37 -070077import com.android.launcher3.views.Transposable;
Jon Miranda1a49fb52019-02-19 15:34:41 -080078import com.android.launcher3.widget.PendingAddShortcutInfo;
Sunny Goyal6c56c682015-07-16 14:09:05 -070079
Sunny Goyal713edfc2016-05-06 09:58:34 -070080import java.io.Closeable;
Sunny Goyal5b0e6692015-03-19 14:31:19 -070081import java.io.IOException;
Sunny Goyal25aba0a2015-07-16 15:07:47 -070082import java.lang.reflect.Method;
Jon Miranda1a49fb52019-02-19 15:34:41 -080083import java.util.Arrays;
84import java.util.List;
Sunny Goyalb1622cc2015-06-10 16:00:42 -070085import java.util.Locale;
Jon Mirandac7206ca2019-05-13 14:57:50 -070086import java.util.StringTokenizer;
Sunny Goyal8ac727b2015-09-23 15:38:09 -070087import java.util.concurrent.Executor;
88import java.util.concurrent.LinkedBlockingQueue;
89import java.util.concurrent.ThreadPoolExecutor;
90import java.util.concurrent.TimeUnit;
Winson Chung82b016c2015-05-08 17:00:10 -070091import java.util.regex.Matcher;
92import java.util.regex.Pattern;
The Android Open Source Project31dd5032009-03-03 19:32:27 -080093
Jon Miranda40285752019-05-14 15:17:30 -070094import static com.android.launcher3.ItemInfoWithIcon.FLAG_ICON_BADGED;
95
The Android Open Source Project31dd5032009-03-03 19:32:27 -080096/**
97 * Various utilities shared amongst the Launcher's classes.
98 */
Mathew Inwood72fbec12013-11-19 15:45:07 +000099public final class Utilities {
Rahul Chaturvedi7fc77ca2015-05-19 18:02:16 -0700100
Joe Onorato1291a8c2009-09-15 15:07:25 -0400101 private static final String TAG = "Launcher.Utilities";
102
Winson Chung82b016c2015-05-08 17:00:10 -0700103 private static final Pattern sTrimPattern =
104 Pattern.compile("^[\\s|\\p{javaSpaceChar}]*(.*)[\\s|\\p{javaSpaceChar}]*$");
105
Sunny Goyal53d7ee42015-05-22 12:25:45 -0700106 private static final int[] sLoc0 = new int[2];
107 private static final int[] sLoc1 = new int[2];
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700108 private static final Matrix sMatrix = new Matrix();
109 private static final Matrix sInverseMatrix = new Matrix();
Michael Jurka7ad868b2013-12-12 15:04:25 +0100110
Sunny Goyal03340472019-05-17 16:57:12 -0700111 public static final boolean ATLEAST_Q = Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q;
Lucas Dupineca08a12018-08-11 15:53:40 -0700112
Tony Wickham8155fa22018-05-18 17:18:49 -0700113 public static final boolean ATLEAST_P =
114 Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
Tony Mak6eeb0402018-01-03 14:41:31 +0000115
Hyunyoung Songe24cb632017-09-11 11:18:03 -0700116 public static final boolean ATLEAST_OREO_MR1 =
117 Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1;
118
119 public static final boolean ATLEAST_OREO =
120 Build.VERSION.SDK_INT >= Build.VERSION_CODES.O;
Sunny Goyaldcc0ba22016-11-02 11:22:39 -0700121
Jon Miranda83337f92018-04-24 12:21:28 -0700122 public static final int SINGLE_FRAME_MS = 16;
123
Sunny Goyal49f19f02017-01-05 14:36:02 -0800124 /**
Tonyd5a3df72019-03-13 10:12:01 -0500125 * Set on a motion event dispatched from the nav bar. See {@link MotionEvent#setEdgeFlags(int)}.
126 */
127 public static final int EDGE_NAV_BAR = 1 << 8;
128
129 /**
Sunny Goyal49f19f02017-01-05 14:36:02 -0800130 * Indicates if the device has a debug build. Should only be used to store additional info or
131 * add extra logging and not for changing the app behavior.
132 */
Tobias Dubois9c0ad562018-06-11 16:17:17 +0200133 public static final boolean IS_DEBUG_DEVICE =
134 Build.TYPE.toLowerCase(Locale.ROOT).contains("debug") ||
135 Build.TYPE.toLowerCase(Locale.ROOT).equals("eng");
Sunny Goyal49f19f02017-01-05 14:36:02 -0800136
Hyunyoung Song58de5de2019-05-15 14:01:30 -0700137 public static boolean isDevelopersOptionsEnabled(Context context) {
138 return Settings.Global.getInt(context.getApplicationContext().getContentResolver(),
139 Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
140 }
141
Sunny Goyal6f866092016-03-17 17:04:15 -0700142 // An intent extra to indicate the horizontal scroll of the wallpaper.
143 public static final String EXTRA_WALLPAPER_OFFSET = "com.android.launcher3.WALLPAPER_OFFSET";
Hyunyoung Song29e5d442019-02-07 10:33:55 -0800144 public static final String EXTRA_WALLPAPER_FLAVOR = "com.android.launcher3.WALLPAPER_FLAVOR";
Sunny Goyal6f866092016-03-17 17:04:15 -0700145
Sunny Goyal8ac727b2015-09-23 15:38:09 -0700146 // These values are same as that in {@link AsyncTask}.
147 private static final int CPU_COUNT = Runtime.getRuntime().availableProcessors();
148 private static final int CORE_POOL_SIZE = CPU_COUNT + 1;
149 private static final int MAXIMUM_POOL_SIZE = CPU_COUNT * 2 + 1;
150 private static final int KEEP_ALIVE = 1;
151 /**
152 * An {@link Executor} to be used with async task with no limit on the queue size.
153 */
154 public static final Executor THREAD_POOL_EXECUTOR = new ThreadPoolExecutor(
155 CORE_POOL_SIZE, MAXIMUM_POOL_SIZE, KEEP_ALIVE,
Sunny Goyalae6e3182019-04-30 12:04:37 -0700156 TimeUnit.SECONDS, new LinkedBlockingQueue<>());
Sunny Goyal8ac727b2015-09-23 15:38:09 -0700157
Vadim Tryshevc2950982018-10-04 16:33:45 -0700158 public static boolean IS_RUNNING_IN_TEST_HARNESS =
Vadim Tryshev2ce6a132018-06-18 19:14:44 -0700159 ActivityManager.isRunningInTestHarness();
160
Vadim Tryshevc2950982018-10-04 16:33:45 -0700161 public static void enableRunningInTestHarnessForTests() {
162 IS_RUNNING_IN_TEST_HARNESS = true;
163 }
164
Sunny Goyal4bbf4192014-11-11 12:23:59 -0800165 public static boolean isPropertyEnabled(String propertyName) {
Michael Jurka7ad868b2013-12-12 15:04:25 +0100166 return Log.isLoggable(propertyName, Log.VERBOSE);
167 }
168
Hyunyoung Song58de5de2019-05-15 14:01:30 -0700169 public static boolean existsStyleWallpapers(Context context) {
170 ResolveInfo ri = context.getPackageManager().resolveActivity(
171 PackageManagerHelper.getStyleWallpapersIntent(context), 0);
172 return ri != null;
173 }
174
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800175 /**
Winson Chungc763c4e2013-07-19 13:49:06 -0700176 * Given a coordinate relative to the descendant, find the coordinate in a parent view's
177 * coordinates.
178 *
179 * @param descendant The descendant to which the passed coordinate is relative.
Sunny Goyale8b5d202016-06-13 16:36:59 -0700180 * @param ancestor The root view to make the coordinates relative to.
Winson Chungc763c4e2013-07-19 13:49:06 -0700181 * @param coord The coordinate that we want mapped.
182 * @param includeRootScroll Whether or not to account for the scroll of the descendant:
183 * sometimes this is relevant as in a child's coordinates within the descendant.
184 * @return The factor by which this descendant is scaled relative to this DragLayer. Caution
185 * this scale factor is assumed to be equal in X and Y, and so if at any point this
186 * assumption fails, we will need to return a pair of scale factors.
187 */
Sunny Goyale8b5d202016-06-13 16:36:59 -0700188 public static float getDescendantCoordRelativeToAncestor(
Sunny Goyalae6e3182019-04-30 12:04:37 -0700189 View descendant, View ancestor, float[] coord, boolean includeRootScroll) {
190 return getDescendantCoordRelativeToAncestor(descendant, ancestor, coord, includeRootScroll,
Sunny Goyal878f6d32019-05-03 11:14:16 -0700191 false, null);
Sunny Goyalae6e3182019-04-30 12:04:37 -0700192 }
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700193
Sunny Goyalae6e3182019-04-30 12:04:37 -0700194 /**
195 * Given a coordinate relative to the descendant, find the coordinate in a parent view's
196 * coordinates.
197 *
198 * @param descendant The descendant to which the passed coordinate is relative.
199 * @param ancestor The root view to make the coordinates relative to.
200 * @param coord The coordinate that we want mapped.
201 * @param includeRootScroll Whether or not to account for the scroll of the descendant:
202 * sometimes this is relevant as in a child's coordinates within the descendant.
203 * @param ignoreTransform If true, view transform is ignored
Sunny Goyal878f6d32019-05-03 11:14:16 -0700204 * @param outRotation If not null, and {@param ignoreTransform} is true, this is set to the
205 * overall rotation of the view in degrees.
Sunny Goyalae6e3182019-04-30 12:04:37 -0700206 * @return The factor by which this descendant is scaled relative to this DragLayer. Caution
207 * this scale factor is assumed to be equal in X and Y, and so if at any point this
208 * assumption fails, we will need to return a pair of scale factors.
209 */
210 public static float getDescendantCoordRelativeToAncestor(View descendant, View ancestor,
Sunny Goyal878f6d32019-05-03 11:14:16 -0700211 float[] coord, boolean includeRootScroll, boolean ignoreTransform,
212 float[] outRotation) {
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700213 float scale = 1.0f;
Winson Chungc763c4e2013-07-19 13:49:06 -0700214 View v = descendant;
Sunny Goyale8b5d202016-06-13 16:36:59 -0700215 while(v != ancestor && v != null) {
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700216 // For TextViews, scroll has a meaning which relates to the text position
217 // which is very strange... ignore the scroll.
218 if (v != descendant || includeRootScroll) {
Sunny Goyalae6e3182019-04-30 12:04:37 -0700219 offsetPoints(coord, -v.getScrollX(), -v.getScrollY());
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700220 }
221
Sunny Goyalae6e3182019-04-30 12:04:37 -0700222 if (ignoreTransform) {
223 if (v instanceof Transposable) {
224 RotationMode m = ((Transposable) v).getRotationMode();
225 if (m.isTransposed) {
226 sMatrix.setRotate(m.surfaceRotation, v.getPivotX(), v.getPivotY());
227 sMatrix.mapPoints(coord);
Sunny Goyal878f6d32019-05-03 11:14:16 -0700228
229 if (outRotation != null) {
230 outRotation[0] += m.surfaceRotation;
231 }
Sunny Goyalae6e3182019-04-30 12:04:37 -0700232 }
233 }
234 } else {
235 v.getMatrix().mapPoints(coord);
236 }
237 offsetPoints(coord, v.getLeft(), v.getTop());
Sunny Goyal8cf47a52016-06-15 10:11:30 -0700238 scale *= v.getScaleX();
239
Winson Chungc763c4e2013-07-19 13:49:06 -0700240 v = (View) v.getParent();
241 }
Winson Chungc763c4e2013-07-19 13:49:06 -0700242 return scale;
243 }
244
Sunny Goyalae6e3182019-04-30 12:04:37 -0700245
Winson Chungc763c4e2013-07-19 13:49:06 -0700246 /**
Sunny Goyalae6e3182019-04-30 12:04:37 -0700247 * Inverse of {@link #getDescendantCoordRelativeToAncestor(View, View, float[], boolean)}.
Winson Chungc763c4e2013-07-19 13:49:06 -0700248 */
Sunny Goyalae6e3182019-04-30 12:04:37 -0700249 public static void mapCoordInSelfToDescendant(View descendant, View root, float[] coord) {
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700250 sMatrix.reset();
Winson Chungc763c4e2013-07-19 13:49:06 -0700251 View v = descendant;
252 while(v != root) {
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700253 sMatrix.postTranslate(-v.getScrollX(), -v.getScrollY());
254 sMatrix.postConcat(v.getMatrix());
255 sMatrix.postTranslate(v.getLeft(), v.getTop());
Winson Chungc763c4e2013-07-19 13:49:06 -0700256 v = (View) v.getParent();
257 }
Sunny Goyal5e0e94f2016-10-28 10:01:00 -0700258 sMatrix.postTranslate(-v.getScrollX(), -v.getScrollY());
259 sMatrix.invert(sInverseMatrix);
Sunny Goyalae6e3182019-04-30 12:04:37 -0700260 sInverseMatrix.mapPoints(coord);
261 }
Winson Chungc763c4e2013-07-19 13:49:06 -0700262
Sunny Goyalae6e3182019-04-30 12:04:37 -0700263 /**
264 * Sets {@param out} to be same as {@param in} by rounding individual values
265 */
266 public static void roundArray(float[] in, int[] out) {
267 for (int i = 0; i < in.length; i++) {
268 out[i] = Math.round(in[i]);
269 }
270 }
271
272 public static void offsetPoints(float[] points, float offsetX, float offsetY) {
273 for (int i = 0; i < points.length; i += 2) {
274 points[i] += offsetX;
275 points[i + 1] += offsetY;
276 }
Winson Chungc763c4e2013-07-19 13:49:06 -0700277 }
278
Jason Monk02dd7ae2014-04-15 15:23:31 -0400279 /**
280 * Utility method to determine whether the given point, in local coordinates,
281 * is inside the view, where the area of the view is expanded by the slop factor.
282 * This method is called while processing touch-move events to determine if the event
283 * is still within the view.
284 */
285 public static boolean pointInView(View v, float localX, float localY, float slop) {
286 return localX >= -slop && localY >= -slop && localX < (v.getWidth() + slop) &&
287 localY < (v.getHeight() + slop);
288 }
289
Sunny Goyala52ecb02016-12-16 15:04:51 -0800290 public static int[] getCenterDeltaInScreenSpace(View v0, View v1) {
Adam Cohen63f1ec02014-08-12 09:23:13 -0700291 v0.getLocationInWindow(sLoc0);
292 v1.getLocationInWindow(sLoc1);
293
294 sLoc0[0] += (v0.getMeasuredWidth() * v0.getScaleX()) / 2;
295 sLoc0[1] += (v0.getMeasuredHeight() * v0.getScaleY()) / 2;
296 sLoc1[0] += (v1.getMeasuredWidth() * v1.getScaleX()) / 2;
297 sLoc1[1] += (v1.getMeasuredHeight() * v1.getScaleY()) / 2;
Sunny Goyala52ecb02016-12-16 15:04:51 -0800298 return new int[] {sLoc1[0] - sLoc0[0], sLoc1[1] - sLoc0[1]};
Adam Cohen63f1ec02014-08-12 09:23:13 -0700299 }
300
Sunny Goyalb1e2e292018-02-21 10:14:30 -0800301 public static void scaleRectFAboutCenter(RectF r, float scale) {
302 if (scale != 1.0f) {
303 float cx = r.centerX();
304 float cy = r.centerY();
305 r.offset(-cx, -cy);
306 r.left = r.left * scale;
307 r.top = r.top * scale ;
308 r.right = r.right * scale;
309 r.bottom = r.bottom * scale;
310 r.offset(cx, cy);
311 }
312 }
313
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800314 public static void scaleRectAboutCenter(Rect r, float scale) {
315 if (scale != 1.0f) {
316 int cx = r.centerX();
317 int cy = r.centerY();
318 r.offset(-cx, -cy);
Winson Chung3e803c72018-01-29 11:16:32 -0800319 scaleRect(r, scale);
320 r.offset(cx, cy);
321 }
322 }
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800323
Winson Chung3e803c72018-01-29 11:16:32 -0800324 public static void scaleRect(Rect r, float scale) {
325 if (scale != 1.0f) {
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800326 r.left = (int) (r.left * scale + 0.5f);
327 r.top = (int) (r.top * scale + 0.5f);
328 r.right = (int) (r.right * scale + 0.5f);
329 r.bottom = (int) (r.bottom * scale + 0.5f);
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800330 }
331 }
332
Winson Chung3e803c72018-01-29 11:16:32 -0800333 public static void insetRect(Rect r, Rect insets) {
334 r.left = Math.min(r.right, r.left + insets.left);
335 r.top = Math.min(r.bottom, r.top + insets.top);
336 r.right = Math.max(r.left, r.right - insets.right);
337 r.bottom = Math.max(r.top, r.bottom - insets.bottom);
338 }
339
Jon Miranda6f6a06a2016-12-15 11:24:18 -0800340 public static float shrinkRect(Rect r, float scaleX, float scaleY) {
Jon Mirandae96798e2016-12-07 12:10:44 -0800341 float scale = Math.min(Math.min(scaleX, scaleY), 1.0f);
342 if (scale < 1.0f) {
343 int deltaX = (int) (r.width() * (scaleX - scale) * 0.5f);
344 r.left += deltaX;
345 r.right -= deltaX;
Sunny Goyal106bf642015-07-16 12:18:06 -0700346
Jon Mirandae96798e2016-12-07 12:10:44 -0800347 int deltaY = (int) (r.height() * (scaleY - scale) * 0.5f);
348 r.top += deltaY;
349 r.bottom -= deltaY;
Sunny Goyal106bf642015-07-16 12:18:06 -0700350 }
Jon Mirandae96798e2016-12-07 12:10:44 -0800351 return scale;
Winson Chung3a6e7f32013-10-09 15:50:52 -0700352 }
353
Tony Wickhamb45444b2018-05-18 16:57:01 -0700354 /**
355 * Maps t from one range to another range.
356 * @param t The value to map.
357 * @param fromMin The lower bound of the range that t is being mapped from.
358 * @param fromMax The upper bound of the range that t is being mapped from.
359 * @param toMin The lower bound of the range that t is being mapped to.
360 * @param toMax The upper bound of the range that t is being mapped to.
361 * @return The mapped value of t.
362 */
Sunny Goyal0f3af752018-06-08 13:01:04 -0700363 public static float mapToRange(float t, float fromMin, float fromMax, float toMin, float toMax,
364 Interpolator interpolator) {
Tony Wickhamb45444b2018-05-18 16:57:01 -0700365 if (fromMin == fromMax || toMin == toMax) {
366 Log.e(TAG, "mapToRange: range has 0 length");
367 return toMin;
368 }
Tonye4c2e2b2019-03-25 10:23:39 -0500369 float progress = getProgress(t, fromMin, fromMax);
Sunny Goyal0f3af752018-06-08 13:01:04 -0700370 return mapRange(interpolator.getInterpolation(progress), toMin, toMax);
Tony Wickhamb45444b2018-05-18 16:57:01 -0700371 }
372
Tonye4c2e2b2019-03-25 10:23:39 -0500373 public static float getProgress(float current, float min, float max) {
374 return Math.abs(current - min) / Math.abs(max - min);
375 }
376
Winson Chung3e803c72018-01-29 11:16:32 -0800377 public static float mapRange(float value, float min, float max) {
378 return min + (value * (max - min));
379 }
380
Sunny Goyal0e947fb2017-05-19 12:21:50 -0700381 public static boolean isSystemApp(Context context, Intent intent) {
Sunny Goyalc5c60ad2014-07-14 12:02:01 -0700382 PackageManager pm = context.getPackageManager();
383 ComponentName cn = intent.getComponent();
384 String packageName = null;
385 if (cn == null) {
386 ResolveInfo info = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
387 if ((info != null) && (info.activityInfo != null)) {
388 packageName = info.activityInfo.packageName;
389 }
390 } else {
391 packageName = cn.getPackageName();
392 }
393 if (packageName != null) {
394 try {
395 PackageInfo info = pm.getPackageInfo(packageName, 0);
396 return (info != null) && (info.applicationInfo != null) &&
397 ((info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0);
398 } catch (NameNotFoundException e) {
399 return false;
400 }
401 } else {
402 return false;
403 }
404 }
Sunny Goyal95abbb32014-08-04 10:53:22 -0700405
Sunny Goyal0fe505b2014-08-06 09:55:36 -0700406 /*
407 * Finds a system apk which had a broadcast receiver listening to a particular action.
408 * @param action intent action used to find the apk
409 * @return a pair of apk package name and the resources.
410 */
411 static Pair<String, Resources> findSystemApk(String action, PackageManager pm) {
412 final Intent intent = new Intent(action);
413 for (ResolveInfo info : pm.queryBroadcastReceivers(intent, 0)) {
414 if (info.activityInfo != null &&
415 (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
416 final String packageName = info.activityInfo.packageName;
417 try {
418 final Resources res = pm.getResourcesForApplication(packageName);
419 return Pair.create(packageName, res);
420 } catch (NameNotFoundException e) {
421 Log.w(TAG, "Failed to find resources for " + packageName);
422 }
423 }
424 }
425 return null;
426 }
Sunny Goyalfafca522014-11-03 11:30:01 -0800427
Sunny Goyal594d76d2014-11-06 10:12:54 -0800428 /**
Winson Chung82b016c2015-05-08 17:00:10 -0700429 * Trims the string, removing all whitespace at the beginning and end of the string.
430 * Non-breaking whitespaces are also removed.
431 */
432 public static String trim(CharSequence s) {
Winson Chungafa77e92015-05-15 12:04:03 -0700433 if (s == null) {
434 return null;
435 }
436
Winson Chung82b016c2015-05-08 17:00:10 -0700437 // Just strip any sequence of whitespace or java space characters from the beginning and end
438 Matcher m = sTrimPattern.matcher(s);
439 return m.replaceAll("$1");
440 }
Sunny Goyal70660032015-05-14 00:07:08 -0700441
Winson Chung2c6e5cc2015-06-01 14:38:24 -0700442 /**
443 * Calculates the height of a given string at a specific text size.
444 */
Sunny Goyalbaec6ff2016-09-14 11:26:21 -0700445 public static int calculateTextHeight(float textSizePx) {
Winson Chung2c6e5cc2015-06-01 14:38:24 -0700446 Paint p = new Paint();
447 p.setTextSize(textSizePx);
448 Paint.FontMetrics fm = p.getFontMetrics();
Sunny Goyalbaec6ff2016-09-14 11:26:21 -0700449 return (int) Math.ceil(fm.bottom - fm.top);
Winson Chung2c6e5cc2015-06-01 14:38:24 -0700450 }
451
Winson Chungb1777442015-06-16 13:35:04 -0700452 /**
453 * Convenience println with multiple args.
454 */
455 public static void println(String key, Object... args) {
456 StringBuilder b = new StringBuilder();
457 b.append(key);
458 b.append(": ");
459 boolean isFirstArgument = true;
460 for (Object arg : args) {
461 if (isFirstArgument) {
462 isFirstArgument = false;
463 } else {
464 b.append(", ");
465 }
466 b.append(arg);
467 }
468 System.out.println(b.toString());
469 }
470
Sunny Goyal70660032015-05-14 00:07:08 -0700471 public static boolean isRtl(Resources res) {
Sunny Goyala52ecb02016-12-16 15:04:51 -0800472 return res.getConfiguration().getLayoutDirection() == View.LAYOUT_DIRECTION_RTL;
Sunny Goyal70660032015-05-14 00:07:08 -0700473 }
Hyunyoung Song2bd3d7d2015-05-21 13:04:53 -0700474
Sunny Goyal5c97f512015-05-19 16:03:28 -0700475 /**
476 * Returns true if the intent is a valid launch intent for a launcher activity of an app.
477 * This is used to identify shortcuts which are different from the ones exposed by the
478 * applications' manifest file.
479 *
480 * @param launchIntent The intent that will be launched when the shortcut is clicked.
481 */
482 public static boolean isLauncherAppTarget(Intent launchIntent) {
Sunny Goyal4e5cc642015-06-25 16:37:44 -0700483 if (launchIntent != null
Sunny Goyal5c97f512015-05-19 16:03:28 -0700484 && Intent.ACTION_MAIN.equals(launchIntent.getAction())
485 && launchIntent.getComponent() != null
486 && launchIntent.getCategories() != null
487 && launchIntent.getCategories().size() == 1
488 && launchIntent.hasCategory(Intent.CATEGORY_LAUNCHER)
Sunny Goyal4e5cc642015-06-25 16:37:44 -0700489 && TextUtils.isEmpty(launchIntent.getDataString())) {
490 // An app target can either have no extra or have ItemInfo.EXTRA_PROFILE.
491 Bundle extras = launchIntent.getExtras();
Sunny Goyal24bb66a2017-03-21 15:12:01 -0700492 return extras == null || extras.keySet().isEmpty();
493 }
Sunny Goyal4e5cc642015-06-25 16:37:44 -0700494 return false;
Sunny Goyal5c97f512015-05-19 16:03:28 -0700495 }
Adam Cohen2e6da152015-05-06 11:42:25 -0700496
497 public static float dpiFromPx(int size, DisplayMetrics metrics){
498 float densityRatio = (float) metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT;
499 return (size / densityRatio);
500 }
vadimt1b383af2019-05-08 15:29:37 -0700501
Adam Cohen2e6da152015-05-06 11:42:25 -0700502 public static int pxFromSp(float size, DisplayMetrics metrics) {
503 return (int) Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,
504 size, metrics));
505 }
Sunny Goyalb1622cc2015-06-10 16:00:42 -0700506
Sunny Goyalefb7e842018-10-04 15:11:00 -0700507 public static String createDbSelectionQuery(String columnName, IntArray values) {
508 return String.format(Locale.ENGLISH, "%s IN (%s)", columnName, values.toConcatString());
Sunny Goyalb1622cc2015-06-10 16:00:42 -0700509 }
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700510
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700511 public static boolean isBootCompleted() {
Sunny Goyaldfc8b662016-08-30 12:05:48 -0700512 return "1".equals(getSystemProperty("sys.boot_completed", "1"));
513 }
514
515 public static String getSystemProperty(String property, String defaultValue) {
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700516 try {
517 Class clazz = Class.forName("android.os.SystemProperties");
518 Method getter = clazz.getDeclaredMethod("get", String.class);
Sunny Goyaldfc8b662016-08-30 12:05:48 -0700519 String value = (String) getter.invoke(null, property);
520 if (!TextUtils.isEmpty(value)) {
521 return value;
522 }
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700523 } catch (Exception e) {
524 Log.d(TAG, "Unable to read system properties");
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700525 }
Sunny Goyaldfc8b662016-08-30 12:05:48 -0700526 return defaultValue;
Sunny Goyal25aba0a2015-07-16 15:07:47 -0700527 }
Tony Wickham29d853c2015-09-08 10:35:56 -0700528
529 /**
530 * Ensures that a value is within given bounds. Specifically:
531 * If value is less than lowerBound, return lowerBound; else if value is greater than upperBound,
532 * return upperBound; else return value unchanged.
533 */
Tony Wickhamf549dab2016-05-16 09:54:06 -0700534 public static int boundToRange(int value, int lowerBound, int upperBound) {
535 return Math.max(lowerBound, Math.min(value, upperBound));
536 }
537
538 /**
539 * @see #boundToRange(int, int, int).
540 */
541 public static float boundToRange(float value, float lowerBound, float upperBound) {
Tony Wickham29d853c2015-09-08 10:35:56 -0700542 return Math.max(lowerBound, Math.min(value, upperBound));
543 }
Sunny Goyal9d438082015-09-25 11:50:16 -0700544
Sunny Goyale78e3d72015-09-24 11:23:31 -0700545 /**
Tony Wickhamb45444b2018-05-18 16:57:01 -0700546 * @see #boundToRange(int, int, int).
547 */
548 public static long boundToRange(long value, long lowerBound, long upperBound) {
549 return Math.max(lowerBound, Math.min(value, upperBound));
550 }
551
552 /**
Sunny Goyale78e3d72015-09-24 11:23:31 -0700553 * Wraps a message with a TTS span, so that a different message is spoken than
554 * what is getting displayed.
555 * @param msg original message
556 * @param ttsMsg message to be spoken
557 */
Sunny Goyale78e3d72015-09-24 11:23:31 -0700558 public static CharSequence wrapForTts(CharSequence msg, String ttsMsg) {
Sunny Goyala52ecb02016-12-16 15:04:51 -0800559 SpannableString spanned = new SpannableString(msg);
560 spanned.setSpan(new TtsSpan.TextBuilder(ttsMsg).build(),
561 0, spanned.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE);
562 return spanned;
Sunny Goyale78e3d72015-09-24 11:23:31 -0700563 }
Winson12fb9fc2015-10-01 15:34:08 -0700564
Sunny Goyalf7258242015-10-19 16:59:07 -0700565 public static SharedPreferences getPrefs(Context context) {
566 return context.getSharedPreferences(
567 LauncherFiles.SHARED_PREFERENCES_KEY, Context.MODE_PRIVATE);
568 }
Tony Wickham112ac952015-11-12 12:31:50 -0800569
Sunny Goyal9d887a22017-06-08 14:00:43 -0700570 public static SharedPreferences getDevicePrefs(Context context) {
571 return context.getSharedPreferences(
572 LauncherFiles.DEVICE_PREFERENCES_KEY, Context.MODE_PRIVATE);
573 }
574
Sunny Goyal7368fa42019-04-22 09:58:14 -0700575 public static boolean areAnimationsEnabled(Context context) {
576 return ATLEAST_OREO
577 ? ValueAnimator.areAnimatorsEnabled()
578 : !context.getSystemService(PowerManager.class).isPowerSaveMode();
Tony Wickham112ac952015-11-12 12:31:50 -0800579 }
Sunny Goyale1483fb2016-01-08 12:16:15 -0800580
Hyunyoung Song0de01172016-10-05 16:27:48 -0700581 public static boolean isWallpaperAllowed(Context context) {
Sunny Goyal8c48d8b2019-01-25 15:10:18 -0800582 return context.getSystemService(WallpaperManager.class).isSetWallpaperAllowed();
Sunny Goyal1ed6c4a2016-04-21 15:16:11 -0700583 }
584
Sunny Goyal713edfc2016-05-06 09:58:34 -0700585 public static void closeSilently(Closeable c) {
586 if (c != null) {
587 try {
588 c.close();
589 } catch (IOException e) {
Sunny Goyal3d706ad2017-03-06 16:56:39 -0800590 if (FeatureFlags.IS_DOGFOOD_BUILD) {
Sunny Goyal713edfc2016-05-06 09:58:34 -0700591 Log.d(TAG, "Error closing", e);
592 }
593 }
594 }
595 }
596
Sunny Goyal712ee532016-11-04 10:19:58 -0700597 public static boolean isBinderSizeError(Exception e) {
598 return e.getCause() instanceof TransactionTooLargeException
599 || e.getCause() instanceof DeadObjectException;
600 }
Sunny Goyalab121c12016-12-02 19:29:43 +0530601
Tony Wickham580edcf2017-02-09 08:28:52 -0800602 /**
Sunny Goyal3483c522018-04-12 11:23:33 -0700603 * Utility method to post a runnable on the handler, skipping the synchronization barriers.
604 */
605 public static void postAsyncCallback(Handler handler, Runnable callback) {
606 Message msg = Message.obtain(handler, callback);
607 msg.setAsynchronous(true);
608 handler.sendMessage(msg);
609 }
Vadim Tryshevff3fa342018-07-25 16:29:06 -0700610
Sunny Goyal415f1732018-11-29 10:33:47 -0800611 /**
612 * Parses a string encoded using {@link #getPointString(int, int)}
613 */
614 public static Point parsePoint(String point) {
615 String[] split = point.split(",");
616 return new Point(Integer.parseInt(split[0]), Integer.parseInt(split[1]));
617 }
618
619 /**
620 * Encodes a point to string to that it can be persisted atomically.
621 */
622 public static String getPointString(int x, int y) {
623 return String.format(Locale.ENGLISH, "%d,%d", x, y);
624 }
Jon Miranda0128d3f2019-02-14 09:19:31 -0800625
Tony573c3e12019-02-22 13:10:59 -0800626 public static void unregisterReceiverSafely(Context context, BroadcastReceiver receiver) {
627 try {
628 context.unregisterReceiver(receiver);
Jon Miranda1a49fb52019-02-19 15:34:41 -0800629 } catch (IllegalArgumentException e) {}
630 }
631
632 /**
633 * Returns the full drawable for {@param info}.
634 * @param outObj this is set to the internal data associated with {@param info},
Sunny Goyal6bbf6002019-04-17 18:38:52 -0700635 * eg {@link LauncherActivityInfo} or {@link ShortcutInfo}.
Jon Miranda1a49fb52019-02-19 15:34:41 -0800636 */
637 public static Drawable getFullDrawable(Launcher launcher, ItemInfo info, int width, int height,
Jon Miranda31458392019-03-04 20:54:53 -0800638 boolean flattenDrawable, Object[] outObj) {
Jon Miranda1a49fb52019-02-19 15:34:41 -0800639 LauncherAppState appState = LauncherAppState.getInstance(launcher);
640 if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) {
641 LauncherActivityInfo activityInfo = LauncherAppsCompat.getInstance(launcher)
642 .resolveActivity(info.getIntent(), info.user);
643 outObj[0] = activityInfo;
644 return (activityInfo != null) ? appState.getIconCache()
Jon Miranda31458392019-03-04 20:54:53 -0800645 .getFullResIcon(activityInfo, flattenDrawable) : null;
Jon Miranda1a49fb52019-02-19 15:34:41 -0800646 } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
647 if (info instanceof PendingAddShortcutInfo) {
648 ShortcutConfigActivityInfo activityInfo =
649 ((PendingAddShortcutInfo) info).activityInfo;
650 outObj[0] = activityInfo;
651 return activityInfo.getFullResIcon(appState.getIconCache());
652 }
653 ShortcutKey key = ShortcutKey.fromItemInfo(info);
654 DeepShortcutManager sm = DeepShortcutManager.getInstance(launcher);
Sunny Goyal6bbf6002019-04-17 18:38:52 -0700655 List<ShortcutInfo> si = sm.queryForFullDetails(
Jon Miranda1a49fb52019-02-19 15:34:41 -0800656 key.componentName.getPackageName(), Arrays.asList(key.getId()), key.user);
657 if (si.isEmpty()) {
658 return null;
659 } else {
660 outObj[0] = si.get(0);
661 return sm.getShortcutIconDrawable(si.get(0),
662 appState.getInvariantDeviceProfile().fillResIconDpi);
663 }
664 } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) {
665 FolderAdaptiveIcon icon = FolderAdaptiveIcon.createFolderAdaptiveIcon(
666 launcher, info.id, new Point(width, height));
667 if (icon == null) {
668 return null;
669 }
670 outObj[0] = icon;
671 return icon;
672 } else {
673 return null;
674 }
Tony573c3e12019-02-22 13:10:59 -0800675 }
Jon Mirandac7206ca2019-05-13 14:57:50 -0700676
Jon Miranda40285752019-05-14 15:17:30 -0700677 /**
678 * For apps icons and shortcut icons that have badges, this method creates a drawable that can
679 * later on be rendered on top of the layers for the badges. For app icons, work profile badges
680 * can only be applied. For deep shortcuts, when dragged from the pop up container, there's no
681 * badge. When dragged from workspace or folder, it may contain app AND/OR work profile badge
682 **/
683 @TargetApi(Build.VERSION_CODES.O)
684 public static Drawable getBadge(Launcher launcher, ItemInfo info, Object obj) {
685 LauncherAppState appState = LauncherAppState.getInstance(launcher);
686 int iconSize = appState.getInvariantDeviceProfile().iconBitmapSize;
687 if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
688 boolean iconBadged = (info instanceof ItemInfoWithIcon)
689 && (((ItemInfoWithIcon) info).runtimeStatusFlags & FLAG_ICON_BADGED) > 0;
690 if ((info.id == ItemInfo.NO_ID && !iconBadged)
691 || !(obj instanceof ShortcutInfo)) {
692 // The item is not yet added on home screen.
693 return new FixedSizeEmptyDrawable(iconSize);
694 }
695 ShortcutInfo si = (ShortcutInfo) obj;
696 LauncherIcons li = LauncherIcons.obtain(appState.getContext());
697 Bitmap badge = li.getShortcutInfoBadge(si, appState.getIconCache()).iconBitmap;
698 li.recycle();
699 float badgeSize = launcher.getResources().getDimension(R.dimen.profile_badge_size);
700 float insetFraction = (iconSize - badgeSize) / iconSize;
701 return new InsetDrawable(new FastBitmapDrawable(badge),
702 insetFraction, insetFraction, 0, 0);
703 } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) {
704 return ((FolderAdaptiveIcon) obj).getBadge();
705 } else {
706 return launcher.getPackageManager()
707 .getUserBadgedIcon(new FixedSizeEmptyDrawable(iconSize), info.user);
708 }
709 }
710
Jon Mirandac7206ca2019-05-13 14:57:50 -0700711 public static int[] getIntArrayFromString(String tokenized) {
712 StringTokenizer tokenizer = new StringTokenizer(tokenized, ",");
713 int[] array = new int[tokenizer.countTokens()];
714 int count = 0;
715 while (tokenizer.hasMoreTokens()) {
716 array[count] = Integer.parseInt(tokenizer.nextToken());
717 count++;
718 }
719 return array;
720 }
721
722 public static String getStringFromIntArray(int[] array) {
723 StringBuilder str = new StringBuilder();
724 for (int value : array) {
725 str.append(value).append(",");
726 }
727 return str.toString();
728 }
Jon Miranda40285752019-05-14 15:17:30 -0700729
Sunny Goyal878aa332019-05-20 12:40:42 -0700730 public static float squaredHypot(float x, float y) {
731 return x * x + y * y;
732 }
733
734 public static float squaredTouchSlop(Context context) {
735 float slop = ViewConfiguration.get(context).getScaledTouchSlop();
736 return slop * slop;
737 }
738
Jon Miranda40285752019-05-14 15:17:30 -0700739 private static class FixedSizeEmptyDrawable extends ColorDrawable {
740
741 private final int mSize;
742
743 public FixedSizeEmptyDrawable(int size) {
744 super(Color.TRANSPARENT);
745 mSize = size;
746 }
747
748 @Override
749 public int getIntrinsicHeight() {
750 return mSize;
751 }
752
753 @Override
754 public int getIntrinsicWidth() {
755 return mSize;
756 }
757 }
The Android Open Source Project31dd5032009-03-03 19:32:27 -0800758}