| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.launcher3; |
| |
| import static com.android.launcher3.ItemInfoWithIcon.FLAG_ICON_BADGED; |
| |
| import android.animation.ValueAnimator; |
| import android.annotation.TargetApi; |
| import android.app.ActivityManager; |
| import android.app.Person; |
| import android.app.WallpaperManager; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.SharedPreferences; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.LauncherActivityInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ShortcutInfo; |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.Color; |
| import android.graphics.Matrix; |
| import android.graphics.Paint; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.graphics.RectF; |
| import android.graphics.drawable.ColorDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.InsetDrawable; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.DeadObjectException; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.os.PowerManager; |
| import android.os.TransactionTooLargeException; |
| import android.provider.Settings; |
| import android.text.Spannable; |
| import android.text.SpannableString; |
| import android.text.TextUtils; |
| import android.text.style.TtsSpan; |
| import android.util.DisplayMetrics; |
| import android.util.Log; |
| import android.util.Pair; |
| import android.util.TypedValue; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.ViewConfiguration; |
| import android.view.animation.Interpolator; |
| |
| import com.android.launcher3.compat.LauncherAppsCompat; |
| import com.android.launcher3.compat.ShortcutConfigActivityInfo; |
| import com.android.launcher3.config.FeatureFlags; |
| import com.android.launcher3.dragndrop.FolderAdaptiveIcon; |
| import com.android.launcher3.graphics.RotationMode; |
| import com.android.launcher3.graphics.TintedDrawableSpan; |
| import com.android.launcher3.icons.LauncherIcons; |
| import com.android.launcher3.shortcuts.DeepShortcutManager; |
| import com.android.launcher3.shortcuts.ShortcutKey; |
| import com.android.launcher3.util.IntArray; |
| import com.android.launcher3.util.PackageManagerHelper; |
| import com.android.launcher3.views.Transposable; |
| import com.android.launcher3.widget.PendingAddShortcutInfo; |
| |
| import java.io.Closeable; |
| import java.io.IOException; |
| import java.lang.reflect.Method; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.StringTokenizer; |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.LinkedBlockingQueue; |
| import java.util.concurrent.ThreadPoolExecutor; |
| import java.util.concurrent.TimeUnit; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * Various utilities shared amongst the Launcher's classes. |
| */ |
| public final class Utilities { |
| |
| private static final String TAG = "Launcher.Utilities"; |
| |
| private static final Pattern sTrimPattern = |
| Pattern.compile("^[\\s|\\p{javaSpaceChar}]*(.*)[\\s|\\p{javaSpaceChar}]*$"); |
| |
| private static final int[] sLoc0 = new int[2]; |
| private static final int[] sLoc1 = new int[2]; |
| private static final Matrix sMatrix = new Matrix(); |
| private static final Matrix sInverseMatrix = new Matrix(); |
| |
| public static final String[] EMPTY_STRING_ARRAY = new String[0]; |
| public static final Person[] EMPTY_PERSON_ARRAY = new Person[0]; |
| |
| public static final boolean ATLEAST_Q = Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q; |
| |
| public static final boolean ATLEAST_P = |
| Build.VERSION.SDK_INT >= Build.VERSION_CODES.P; |
| |
| public static final boolean ATLEAST_OREO_MR1 = |
| Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1; |
| |
| public static final boolean ATLEAST_OREO = |
| Build.VERSION.SDK_INT >= Build.VERSION_CODES.O; |
| |
| public static final int SINGLE_FRAME_MS = 16; |
| |
| /** |
| * Set on a motion event dispatched from the nav bar. See {@link MotionEvent#setEdgeFlags(int)}. |
| */ |
| public static final int EDGE_NAV_BAR = 1 << 8; |
| |
| /** |
| * Indicates if the device has a debug build. Should only be used to store additional info or |
| * add extra logging and not for changing the app behavior. |
| */ |
| public static final boolean IS_DEBUG_DEVICE = |
| Build.TYPE.toLowerCase(Locale.ROOT).contains("debug") || |
| Build.TYPE.toLowerCase(Locale.ROOT).equals("eng"); |
| |
| public static boolean isDevelopersOptionsEnabled(Context context) { |
| return Settings.Global.getInt(context.getApplicationContext().getContentResolver(), |
| Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0; |
| } |
| |
| // An intent extra to indicate the horizontal scroll of the wallpaper. |
| public static final String EXTRA_WALLPAPER_OFFSET = "com.android.launcher3.WALLPAPER_OFFSET"; |
| public static final String EXTRA_WALLPAPER_FLAVOR = "com.android.launcher3.WALLPAPER_FLAVOR"; |
| |
| // These values are same as that in {@link AsyncTask}. |
| private static final int CPU_COUNT = Runtime.getRuntime().availableProcessors(); |
| private static final int CORE_POOL_SIZE = CPU_COUNT + 1; |
| private static final int MAXIMUM_POOL_SIZE = CPU_COUNT * 2 + 1; |
| private static final int KEEP_ALIVE = 1; |
| /** |
| * An {@link Executor} to be used with async task with no limit on the queue size. |
| */ |
| public static final Executor THREAD_POOL_EXECUTOR = new ThreadPoolExecutor( |
| CORE_POOL_SIZE, MAXIMUM_POOL_SIZE, KEEP_ALIVE, |
| TimeUnit.SECONDS, new LinkedBlockingQueue<>()); |
| |
| public static boolean IS_RUNNING_IN_TEST_HARNESS = |
| ActivityManager.isRunningInTestHarness(); |
| |
| public static void enableRunningInTestHarnessForTests() { |
| IS_RUNNING_IN_TEST_HARNESS = true; |
| } |
| |
| public static boolean isPropertyEnabled(String propertyName) { |
| return Log.isLoggable(propertyName, Log.VERBOSE); |
| } |
| |
| public static boolean existsStyleWallpapers(Context context) { |
| ResolveInfo ri = context.getPackageManager().resolveActivity( |
| PackageManagerHelper.getStyleWallpapersIntent(context), 0); |
| return ri != null; |
| } |
| |
| /** |
| * Given a coordinate relative to the descendant, find the coordinate in a parent view's |
| * coordinates. |
| * |
| * @param descendant The descendant to which the passed coordinate is relative. |
| * @param ancestor The root view to make the coordinates relative to. |
| * @param coord The coordinate that we want mapped. |
| * @param includeRootScroll Whether or not to account for the scroll of the descendant: |
| * sometimes this is relevant as in a child's coordinates within the descendant. |
| * @return The factor by which this descendant is scaled relative to this DragLayer. Caution |
| * this scale factor is assumed to be equal in X and Y, and so if at any point this |
| * assumption fails, we will need to return a pair of scale factors. |
| */ |
| public static float getDescendantCoordRelativeToAncestor( |
| View descendant, View ancestor, float[] coord, boolean includeRootScroll) { |
| return getDescendantCoordRelativeToAncestor(descendant, ancestor, coord, includeRootScroll, |
| false, null); |
| } |
| |
| /** |
| * Given a coordinate relative to the descendant, find the coordinate in a parent view's |
| * coordinates. |
| * |
| * @param descendant The descendant to which the passed coordinate is relative. |
| * @param ancestor The root view to make the coordinates relative to. |
| * @param coord The coordinate that we want mapped. |
| * @param includeRootScroll Whether or not to account for the scroll of the descendant: |
| * sometimes this is relevant as in a child's coordinates within the descendant. |
| * @param ignoreTransform If true, view transform is ignored |
| * @param outRotation If not null, and {@param ignoreTransform} is true, this is set to the |
| * overall rotation of the view in degrees. |
| * @return The factor by which this descendant is scaled relative to this DragLayer. Caution |
| * this scale factor is assumed to be equal in X and Y, and so if at any point this |
| * assumption fails, we will need to return a pair of scale factors. |
| */ |
| public static float getDescendantCoordRelativeToAncestor(View descendant, View ancestor, |
| float[] coord, boolean includeRootScroll, boolean ignoreTransform, |
| float[] outRotation) { |
| float scale = 1.0f; |
| View v = descendant; |
| while(v != ancestor && v != null) { |
| // For TextViews, scroll has a meaning which relates to the text position |
| // which is very strange... ignore the scroll. |
| if (v != descendant || includeRootScroll) { |
| offsetPoints(coord, -v.getScrollX(), -v.getScrollY()); |
| } |
| |
| if (ignoreTransform) { |
| if (v instanceof Transposable) { |
| RotationMode m = ((Transposable) v).getRotationMode(); |
| if (m.isTransposed) { |
| sMatrix.setRotate(m.surfaceRotation, v.getPivotX(), v.getPivotY()); |
| sMatrix.mapPoints(coord); |
| |
| if (outRotation != null) { |
| outRotation[0] += m.surfaceRotation; |
| } |
| } |
| } |
| } else { |
| v.getMatrix().mapPoints(coord); |
| } |
| offsetPoints(coord, v.getLeft(), v.getTop()); |
| scale *= v.getScaleX(); |
| |
| v = (View) v.getParent(); |
| } |
| return scale; |
| } |
| |
| |
| /** |
| * Inverse of {@link #getDescendantCoordRelativeToAncestor(View, View, float[], boolean)}. |
| */ |
| public static void mapCoordInSelfToDescendant(View descendant, View root, float[] coord) { |
| sMatrix.reset(); |
| View v = descendant; |
| while(v != root) { |
| sMatrix.postTranslate(-v.getScrollX(), -v.getScrollY()); |
| sMatrix.postConcat(v.getMatrix()); |
| sMatrix.postTranslate(v.getLeft(), v.getTop()); |
| v = (View) v.getParent(); |
| } |
| sMatrix.postTranslate(-v.getScrollX(), -v.getScrollY()); |
| sMatrix.invert(sInverseMatrix); |
| sInverseMatrix.mapPoints(coord); |
| } |
| |
| /** |
| * Sets {@param out} to be same as {@param in} by rounding individual values |
| */ |
| public static void roundArray(float[] in, int[] out) { |
| for (int i = 0; i < in.length; i++) { |
| out[i] = Math.round(in[i]); |
| } |
| } |
| |
| public static void offsetPoints(float[] points, float offsetX, float offsetY) { |
| for (int i = 0; i < points.length; i += 2) { |
| points[i] += offsetX; |
| points[i + 1] += offsetY; |
| } |
| } |
| |
| /** |
| * Utility method to determine whether the given point, in local coordinates, |
| * is inside the view, where the area of the view is expanded by the slop factor. |
| * This method is called while processing touch-move events to determine if the event |
| * is still within the view. |
| */ |
| public static boolean pointInView(View v, float localX, float localY, float slop) { |
| return localX >= -slop && localY >= -slop && localX < (v.getWidth() + slop) && |
| localY < (v.getHeight() + slop); |
| } |
| |
| public static int[] getCenterDeltaInScreenSpace(View v0, View v1) { |
| v0.getLocationInWindow(sLoc0); |
| v1.getLocationInWindow(sLoc1); |
| |
| sLoc0[0] += (v0.getMeasuredWidth() * v0.getScaleX()) / 2; |
| sLoc0[1] += (v0.getMeasuredHeight() * v0.getScaleY()) / 2; |
| sLoc1[0] += (v1.getMeasuredWidth() * v1.getScaleX()) / 2; |
| sLoc1[1] += (v1.getMeasuredHeight() * v1.getScaleY()) / 2; |
| return new int[] {sLoc1[0] - sLoc0[0], sLoc1[1] - sLoc0[1]}; |
| } |
| |
| public static void scaleRectFAboutCenter(RectF r, float scale) { |
| if (scale != 1.0f) { |
| float cx = r.centerX(); |
| float cy = r.centerY(); |
| r.offset(-cx, -cy); |
| r.left = r.left * scale; |
| r.top = r.top * scale ; |
| r.right = r.right * scale; |
| r.bottom = r.bottom * scale; |
| r.offset(cx, cy); |
| } |
| } |
| |
| public static void scaleRectAboutCenter(Rect r, float scale) { |
| if (scale != 1.0f) { |
| int cx = r.centerX(); |
| int cy = r.centerY(); |
| r.offset(-cx, -cy); |
| scaleRect(r, scale); |
| r.offset(cx, cy); |
| } |
| } |
| |
| public static void scaleRect(Rect r, float scale) { |
| if (scale != 1.0f) { |
| r.left = (int) (r.left * scale + 0.5f); |
| r.top = (int) (r.top * scale + 0.5f); |
| r.right = (int) (r.right * scale + 0.5f); |
| r.bottom = (int) (r.bottom * scale + 0.5f); |
| } |
| } |
| |
| public static void insetRect(Rect r, Rect insets) { |
| r.left = Math.min(r.right, r.left + insets.left); |
| r.top = Math.min(r.bottom, r.top + insets.top); |
| r.right = Math.max(r.left, r.right - insets.right); |
| r.bottom = Math.max(r.top, r.bottom - insets.bottom); |
| } |
| |
| public static float shrinkRect(Rect r, float scaleX, float scaleY) { |
| float scale = Math.min(Math.min(scaleX, scaleY), 1.0f); |
| if (scale < 1.0f) { |
| int deltaX = (int) (r.width() * (scaleX - scale) * 0.5f); |
| r.left += deltaX; |
| r.right -= deltaX; |
| |
| int deltaY = (int) (r.height() * (scaleY - scale) * 0.5f); |
| r.top += deltaY; |
| r.bottom -= deltaY; |
| } |
| return scale; |
| } |
| |
| /** |
| * Maps t from one range to another range. |
| * @param t The value to map. |
| * @param fromMin The lower bound of the range that t is being mapped from. |
| * @param fromMax The upper bound of the range that t is being mapped from. |
| * @param toMin The lower bound of the range that t is being mapped to. |
| * @param toMax The upper bound of the range that t is being mapped to. |
| * @return The mapped value of t. |
| */ |
| public static float mapToRange(float t, float fromMin, float fromMax, float toMin, float toMax, |
| Interpolator interpolator) { |
| if (fromMin == fromMax || toMin == toMax) { |
| Log.e(TAG, "mapToRange: range has 0 length"); |
| return toMin; |
| } |
| float progress = getProgress(t, fromMin, fromMax); |
| return mapRange(interpolator.getInterpolation(progress), toMin, toMax); |
| } |
| |
| public static float getProgress(float current, float min, float max) { |
| return Math.abs(current - min) / Math.abs(max - min); |
| } |
| |
| public static float mapRange(float value, float min, float max) { |
| return min + (value * (max - min)); |
| } |
| |
| public static boolean isSystemApp(Context context, Intent intent) { |
| PackageManager pm = context.getPackageManager(); |
| ComponentName cn = intent.getComponent(); |
| String packageName = null; |
| if (cn == null) { |
| ResolveInfo info = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY); |
| if ((info != null) && (info.activityInfo != null)) { |
| packageName = info.activityInfo.packageName; |
| } |
| } else { |
| packageName = cn.getPackageName(); |
| } |
| if (packageName != null) { |
| try { |
| PackageInfo info = pm.getPackageInfo(packageName, 0); |
| return (info != null) && (info.applicationInfo != null) && |
| ((info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0); |
| } catch (NameNotFoundException e) { |
| return false; |
| } |
| } else { |
| return false; |
| } |
| } |
| |
| /* |
| * Finds a system apk which had a broadcast receiver listening to a particular action. |
| * @param action intent action used to find the apk |
| * @return a pair of apk package name and the resources. |
| */ |
| static Pair<String, Resources> findSystemApk(String action, PackageManager pm) { |
| final Intent intent = new Intent(action); |
| for (ResolveInfo info : pm.queryBroadcastReceivers(intent, 0)) { |
| if (info.activityInfo != null && |
| (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { |
| final String packageName = info.activityInfo.packageName; |
| try { |
| final Resources res = pm.getResourcesForApplication(packageName); |
| return Pair.create(packageName, res); |
| } catch (NameNotFoundException e) { |
| Log.w(TAG, "Failed to find resources for " + packageName); |
| } |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Trims the string, removing all whitespace at the beginning and end of the string. |
| * Non-breaking whitespaces are also removed. |
| */ |
| public static String trim(CharSequence s) { |
| if (s == null) { |
| return null; |
| } |
| |
| // Just strip any sequence of whitespace or java space characters from the beginning and end |
| Matcher m = sTrimPattern.matcher(s); |
| return m.replaceAll("$1"); |
| } |
| |
| /** |
| * Calculates the height of a given string at a specific text size. |
| */ |
| public static int calculateTextHeight(float textSizePx) { |
| Paint p = new Paint(); |
| p.setTextSize(textSizePx); |
| Paint.FontMetrics fm = p.getFontMetrics(); |
| return (int) Math.ceil(fm.bottom - fm.top); |
| } |
| |
| /** |
| * Convenience println with multiple args. |
| */ |
| public static void println(String key, Object... args) { |
| StringBuilder b = new StringBuilder(); |
| b.append(key); |
| b.append(": "); |
| boolean isFirstArgument = true; |
| for (Object arg : args) { |
| if (isFirstArgument) { |
| isFirstArgument = false; |
| } else { |
| b.append(", "); |
| } |
| b.append(arg); |
| } |
| System.out.println(b.toString()); |
| } |
| |
| public static boolean isRtl(Resources res) { |
| return res.getConfiguration().getLayoutDirection() == View.LAYOUT_DIRECTION_RTL; |
| } |
| |
| /** |
| * Returns true if the intent is a valid launch intent for a launcher activity of an app. |
| * This is used to identify shortcuts which are different from the ones exposed by the |
| * applications' manifest file. |
| * |
| * @param launchIntent The intent that will be launched when the shortcut is clicked. |
| */ |
| public static boolean isLauncherAppTarget(Intent launchIntent) { |
| if (launchIntent != null |
| && Intent.ACTION_MAIN.equals(launchIntent.getAction()) |
| && launchIntent.getComponent() != null |
| && launchIntent.getCategories() != null |
| && launchIntent.getCategories().size() == 1 |
| && launchIntent.hasCategory(Intent.CATEGORY_LAUNCHER) |
| && TextUtils.isEmpty(launchIntent.getDataString())) { |
| // An app target can either have no extra or have ItemInfo.EXTRA_PROFILE. |
| Bundle extras = launchIntent.getExtras(); |
| return extras == null || extras.keySet().isEmpty(); |
| } |
| return false; |
| } |
| |
| public static float dpiFromPx(int size, DisplayMetrics metrics){ |
| float densityRatio = (float) metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT; |
| return (size / densityRatio); |
| } |
| |
| public static int pxFromSp(float size, DisplayMetrics metrics) { |
| return (int) Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, |
| size, metrics)); |
| } |
| |
| public static String createDbSelectionQuery(String columnName, IntArray values) { |
| return String.format(Locale.ENGLISH, "%s IN (%s)", columnName, values.toConcatString()); |
| } |
| |
| public static boolean isBootCompleted() { |
| return "1".equals(getSystemProperty("sys.boot_completed", "1")); |
| } |
| |
| public static String getSystemProperty(String property, String defaultValue) { |
| try { |
| Class clazz = Class.forName("android.os.SystemProperties"); |
| Method getter = clazz.getDeclaredMethod("get", String.class); |
| String value = (String) getter.invoke(null, property); |
| if (!TextUtils.isEmpty(value)) { |
| return value; |
| } |
| } catch (Exception e) { |
| Log.d(TAG, "Unable to read system properties"); |
| } |
| return defaultValue; |
| } |
| |
| /** |
| * Ensures that a value is within given bounds. Specifically: |
| * If value is less than lowerBound, return lowerBound; else if value is greater than upperBound, |
| * return upperBound; else return value unchanged. |
| */ |
| public static int boundToRange(int value, int lowerBound, int upperBound) { |
| return Math.max(lowerBound, Math.min(value, upperBound)); |
| } |
| |
| /** |
| * @see #boundToRange(int, int, int). |
| */ |
| public static float boundToRange(float value, float lowerBound, float upperBound) { |
| return Math.max(lowerBound, Math.min(value, upperBound)); |
| } |
| |
| /** |
| * @see #boundToRange(int, int, int). |
| */ |
| public static long boundToRange(long value, long lowerBound, long upperBound) { |
| return Math.max(lowerBound, Math.min(value, upperBound)); |
| } |
| |
| /** |
| * Wraps a message with a TTS span, so that a different message is spoken than |
| * what is getting displayed. |
| * @param msg original message |
| * @param ttsMsg message to be spoken |
| */ |
| public static CharSequence wrapForTts(CharSequence msg, String ttsMsg) { |
| SpannableString spanned = new SpannableString(msg); |
| spanned.setSpan(new TtsSpan.TextBuilder(ttsMsg).build(), |
| 0, spanned.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE); |
| return spanned; |
| } |
| |
| /** |
| * Prefixes a text with the provided icon |
| */ |
| public static CharSequence prefixTextWithIcon(Context context, int iconRes, CharSequence msg) { |
| // Update the hint to contain the icon. |
| // Prefix the original hint with two spaces. The first space gets replaced by the icon |
| // using span. The second space is used for a singe space character between the hint |
| // and the icon. |
| SpannableString spanned = new SpannableString(" " + msg); |
| spanned.setSpan(new TintedDrawableSpan(context, iconRes), |
| 0, 1, Spannable.SPAN_EXCLUSIVE_INCLUSIVE); |
| return spanned; |
| } |
| |
| public static SharedPreferences getPrefs(Context context) { |
| return context.getSharedPreferences( |
| LauncherFiles.SHARED_PREFERENCES_KEY, Context.MODE_PRIVATE); |
| } |
| |
| public static SharedPreferences getDevicePrefs(Context context) { |
| return context.getSharedPreferences( |
| LauncherFiles.DEVICE_PREFERENCES_KEY, Context.MODE_PRIVATE); |
| } |
| |
| public static boolean areAnimationsEnabled(Context context) { |
| return ATLEAST_OREO |
| ? ValueAnimator.areAnimatorsEnabled() |
| : !context.getSystemService(PowerManager.class).isPowerSaveMode(); |
| } |
| |
| public static boolean isWallpaperAllowed(Context context) { |
| return context.getSystemService(WallpaperManager.class).isSetWallpaperAllowed(); |
| } |
| |
| public static void closeSilently(Closeable c) { |
| if (c != null) { |
| try { |
| c.close(); |
| } catch (IOException e) { |
| if (FeatureFlags.IS_DOGFOOD_BUILD) { |
| Log.d(TAG, "Error closing", e); |
| } |
| } |
| } |
| } |
| |
| public static boolean isBinderSizeError(Exception e) { |
| return e.getCause() instanceof TransactionTooLargeException |
| || e.getCause() instanceof DeadObjectException; |
| } |
| |
| /** |
| * Utility method to post a runnable on the handler, skipping the synchronization barriers. |
| */ |
| public static void postAsyncCallback(Handler handler, Runnable callback) { |
| Message msg = Message.obtain(handler, callback); |
| msg.setAsynchronous(true); |
| handler.sendMessage(msg); |
| } |
| |
| /** |
| * Parses a string encoded using {@link #getPointString(int, int)} |
| */ |
| public static Point parsePoint(String point) { |
| String[] split = point.split(","); |
| return new Point(Integer.parseInt(split[0]), Integer.parseInt(split[1])); |
| } |
| |
| /** |
| * Encodes a point to string to that it can be persisted atomically. |
| */ |
| public static String getPointString(int x, int y) { |
| return String.format(Locale.ENGLISH, "%d,%d", x, y); |
| } |
| |
| public static void unregisterReceiverSafely(Context context, BroadcastReceiver receiver) { |
| try { |
| context.unregisterReceiver(receiver); |
| } catch (IllegalArgumentException e) {} |
| } |
| |
| /** |
| * Returns the full drawable for {@param info}. |
| * @param outObj this is set to the internal data associated with {@param info}, |
| * eg {@link LauncherActivityInfo} or {@link ShortcutInfo}. |
| */ |
| public static Drawable getFullDrawable(Launcher launcher, ItemInfo info, int width, int height, |
| boolean flattenDrawable, Object[] outObj) { |
| LauncherAppState appState = LauncherAppState.getInstance(launcher); |
| if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { |
| LauncherActivityInfo activityInfo = LauncherAppsCompat.getInstance(launcher) |
| .resolveActivity(info.getIntent(), info.user); |
| outObj[0] = activityInfo; |
| return (activityInfo != null) ? appState.getIconCache() |
| .getFullResIcon(activityInfo, flattenDrawable) : null; |
| } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) { |
| if (info instanceof PendingAddShortcutInfo) { |
| ShortcutConfigActivityInfo activityInfo = |
| ((PendingAddShortcutInfo) info).activityInfo; |
| outObj[0] = activityInfo; |
| return activityInfo.getFullResIcon(appState.getIconCache()); |
| } |
| ShortcutKey key = ShortcutKey.fromItemInfo(info); |
| DeepShortcutManager sm = DeepShortcutManager.getInstance(launcher); |
| List<ShortcutInfo> si = sm.queryForFullDetails( |
| key.componentName.getPackageName(), Arrays.asList(key.getId()), key.user); |
| if (si.isEmpty()) { |
| return null; |
| } else { |
| outObj[0] = si.get(0); |
| return sm.getShortcutIconDrawable(si.get(0), |
| appState.getInvariantDeviceProfile().fillResIconDpi); |
| } |
| } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) { |
| FolderAdaptiveIcon icon = FolderAdaptiveIcon.createFolderAdaptiveIcon( |
| launcher, info.id, new Point(width, height)); |
| if (icon == null) { |
| return null; |
| } |
| outObj[0] = icon; |
| return icon; |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * For apps icons and shortcut icons that have badges, this method creates a drawable that can |
| * later on be rendered on top of the layers for the badges. For app icons, work profile badges |
| * can only be applied. For deep shortcuts, when dragged from the pop up container, there's no |
| * badge. When dragged from workspace or folder, it may contain app AND/OR work profile badge |
| **/ |
| @TargetApi(Build.VERSION_CODES.O) |
| public static Drawable getBadge(Launcher launcher, ItemInfo info, Object obj) { |
| LauncherAppState appState = LauncherAppState.getInstance(launcher); |
| int iconSize = appState.getInvariantDeviceProfile().iconBitmapSize; |
| if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) { |
| boolean iconBadged = (info instanceof ItemInfoWithIcon) |
| && (((ItemInfoWithIcon) info).runtimeStatusFlags & FLAG_ICON_BADGED) > 0; |
| if ((info.id == ItemInfo.NO_ID && !iconBadged) |
| || !(obj instanceof ShortcutInfo)) { |
| // The item is not yet added on home screen. |
| return new FixedSizeEmptyDrawable(iconSize); |
| } |
| ShortcutInfo si = (ShortcutInfo) obj; |
| LauncherIcons li = LauncherIcons.obtain(appState.getContext()); |
| Bitmap badge = li.getShortcutInfoBadge(si, appState.getIconCache()).iconBitmap; |
| li.recycle(); |
| float badgeSize = launcher.getResources().getDimension(R.dimen.profile_badge_size); |
| float insetFraction = (iconSize - badgeSize) / iconSize; |
| return new InsetDrawable(new FastBitmapDrawable(badge), |
| insetFraction, insetFraction, 0, 0); |
| } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) { |
| return ((FolderAdaptiveIcon) obj).getBadge(); |
| } else { |
| return launcher.getPackageManager() |
| .getUserBadgedIcon(new FixedSizeEmptyDrawable(iconSize), info.user); |
| } |
| } |
| |
| public static int[] getIntArrayFromString(String tokenized) { |
| StringTokenizer tokenizer = new StringTokenizer(tokenized, ","); |
| int[] array = new int[tokenizer.countTokens()]; |
| int count = 0; |
| while (tokenizer.hasMoreTokens()) { |
| array[count] = Integer.parseInt(tokenizer.nextToken().trim()); |
| count++; |
| } |
| return array; |
| } |
| |
| public static String getStringFromIntArray(int[] array) { |
| StringBuilder str = new StringBuilder(); |
| for (int value : array) { |
| str.append(value).append(","); |
| } |
| return str.toString(); |
| } |
| |
| public static float squaredHypot(float x, float y) { |
| return x * x + y * y; |
| } |
| |
| public static float squaredTouchSlop(Context context) { |
| float slop = ViewConfiguration.get(context).getScaledTouchSlop(); |
| return slop * slop; |
| } |
| |
| private static class FixedSizeEmptyDrawable extends ColorDrawable { |
| |
| private final int mSize; |
| |
| public FixedSizeEmptyDrawable(int size) { |
| super(Color.TRANSPARENT); |
| mSize = size; |
| } |
| |
| @Override |
| public int getIntrinsicHeight() { |
| return mSize; |
| } |
| |
| @Override |
| public int getIntrinsicWidth() { |
| return mSize; |
| } |
| } |
| } |