| /* |
| * 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.model.data.ItemInfoWithIcon.FLAG_ICON_BADGED; |
| |
| 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.LauncherActivityInfo; |
| import android.content.pm.LauncherApps; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ShortcutInfo; |
| import android.content.res.Configuration; |
| import android.content.res.Resources; |
| import android.database.ContentObserver; |
| import android.graphics.Bitmap; |
| import android.graphics.Color; |
| import android.graphics.ColorFilter; |
| import android.graphics.LightingColorFilter; |
| import android.graphics.Matrix; |
| import android.graphics.Paint; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.graphics.RectF; |
| import android.graphics.drawable.AdaptiveIconDrawable; |
| import android.graphics.drawable.ColorDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.InsetDrawable; |
| import android.net.Uri; |
| import android.os.Build; |
| import android.os.DeadObjectException; |
| import android.os.Handler; |
| import android.os.Message; |
| 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.TypedValue; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.ViewConfiguration; |
| import android.view.animation.Interpolator; |
| import android.widget.LinearLayout; |
| |
| import androidx.annotation.NonNull; |
| import androidx.core.graphics.ColorUtils; |
| import androidx.core.os.BuildCompat; |
| |
| import com.android.launcher3.dragndrop.FolderAdaptiveIcon; |
| import com.android.launcher3.graphics.GridCustomizationsProvider; |
| import com.android.launcher3.graphics.TintedDrawableSpan; |
| import com.android.launcher3.icons.BitmapInfo; |
| import com.android.launcher3.icons.FastBitmapDrawable; |
| import com.android.launcher3.icons.LauncherIcons; |
| import com.android.launcher3.icons.ShortcutCachingLogic; |
| import com.android.launcher3.model.data.ItemInfo; |
| import com.android.launcher3.model.data.ItemInfoWithIcon; |
| import com.android.launcher3.model.data.SearchActionItemInfo; |
| import com.android.launcher3.pm.ShortcutConfigActivityInfo; |
| import com.android.launcher3.shortcuts.ShortcutKey; |
| import com.android.launcher3.shortcuts.ShortcutRequest; |
| import com.android.launcher3.util.IntArray; |
| import com.android.launcher3.util.PackageManagerHelper; |
| import com.android.launcher3.views.ActivityContext; |
| import com.android.launcher3.views.BaseDragLayer; |
| import com.android.launcher3.widget.PendingAddShortcutInfo; |
| |
| import java.lang.reflect.Method; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.function.Consumer; |
| 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 float[] sTmpFloatArray = new float[4]; |
| |
| 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_P = Build.VERSION.SDK_INT >= Build.VERSION_CODES.P; |
| |
| public static final boolean ATLEAST_Q = Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q; |
| |
| public static final boolean ATLEAST_R = Build.VERSION.SDK_INT >= Build.VERSION_CODES.R; |
| |
| public static final boolean ATLEAST_S = BuildCompat.isAtLeastS() |
| || Build.VERSION.SDK_INT >= Build.VERSION_CODES.S; |
| |
| /** |
| * 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"); |
| |
| /** |
| * Returns true if theme is dark. |
| */ |
| public static boolean isDarkTheme(Context context) { |
| Configuration configuration = context.getResources().getConfiguration(); |
| int nightMode = configuration.uiMode & Configuration.UI_MODE_NIGHT_MASK; |
| return nightMode == Configuration.UI_MODE_NIGHT_YES; |
| } |
| |
| 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"; |
| |
| // An intent extra to indicate the launch source by launcher. |
| public static final String EXTRA_WALLPAPER_LAUNCH_SOURCE = |
| "com.android.wallpaper.LAUNCH_SOURCE"; |
| |
| 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); |
| } |
| |
| /** |
| * 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 |
| * @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 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) { |
| v.getMatrix().mapPoints(coord); |
| } |
| offsetPoints(coord, v.getLeft(), v.getTop()); |
| scale *= v.getScaleX(); |
| |
| v = (View) v.getParent(); |
| } |
| return scale; |
| } |
| |
| /** |
| * Returns bounds for a child view of DragLayer, in drag layer coordinates. |
| * |
| * see {@link com.android.launcher3.dragndrop.DragLayer}. |
| * |
| * @param viewBounds Bounds of the view wanted in drag layer coordinates, relative to the view |
| * itself. eg. (0, 0, view.getWidth, view.getHeight) |
| * @param ignoreTransform If true, view transform is ignored |
| * @param outRect The out rect where we return the bounds of {@param view} in drag layer coords. |
| */ |
| public static void getBoundsForViewInDragLayer(BaseDragLayer dragLayer, View view, |
| Rect viewBounds, boolean ignoreTransform, float[] recycle, RectF outRect) { |
| float[] points = recycle == null ? new float[4] : recycle; |
| points[0] = viewBounds.left; |
| points[1] = viewBounds.top; |
| points[2] = viewBounds.right; |
| points[3] = viewBounds.bottom; |
| |
| Utilities.getDescendantCoordRelativeToAncestor(view, dragLayer, points, |
| false, ignoreTransform); |
| outRect.set( |
| Math.min(points[0], points[2]), |
| Math.min(points[1], points[3]), |
| Math.max(points[0], points[2]), |
| Math.max(points[1], points[3])); |
| } |
| |
| /** |
| * 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]}; |
| } |
| |
| /** |
| * Helper method to set rectOut with rectFSrc. |
| */ |
| public static void setRect(RectF rectFSrc, Rect rectOut) { |
| rectOut.left = (int) rectFSrc.left; |
| rectOut.top = (int) rectFSrc.top; |
| rectOut.right = (int) rectFSrc.right; |
| rectOut.bottom = (int) rectFSrc.bottom; |
| } |
| |
| public static void scaleRectFAboutCenter(RectF r, float scale) { |
| scaleRectFAboutPivot(r, scale, r.centerX(), r.centerY()); |
| } |
| |
| public static void scaleRectFAboutPivot(RectF r, float scale, float px, float py) { |
| if (scale != 1.0f) { |
| r.offset(-px, -py); |
| r.left = r.left * scale; |
| r.top = r.top * scale ; |
| r.right = r.right * scale; |
| r.bottom = r.bottom * scale; |
| r.offset(px, py); |
| } |
| } |
| |
| 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; |
| } |
| |
| /** |
| * Similar to {@link #scaleRectAboutCenter(Rect, float)} except this allows different scales |
| * for X and Y |
| */ |
| public static void scaleRectFAboutCenter(RectF r, float scaleX, float scaleY) { |
| float px = r.centerX(); |
| float py = r.centerY(); |
| r.offset(-px, -py); |
| r.left = r.left * scaleX; |
| r.top = r.top * scaleY; |
| r.right = r.right * scaleX; |
| r.bottom = r.bottom * scaleY; |
| r.offset(px, py); |
| } |
| |
| /** |
| * 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); |
| } |
| |
| /** Bounds t between a lower and upper bound and maps the result to a range. */ |
| public static float mapBoundToRange(float t, float lowerBound, float upperBound, |
| float toMin, float toMax, Interpolator interpolator) { |
| return mapToRange(boundToRange(t, lowerBound, upperBound), lowerBound, upperBound, |
| toMin, toMax, interpolator); |
| } |
| |
| 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)); |
| } |
| |
| /** |
| * Bounds parameter to the range [0, 1] |
| */ |
| public static float saturate(float a) { |
| return boundToRange(a, 0, 1.0f); |
| } |
| |
| /** |
| * Returns the compliment (1 - a) of the parameter. |
| */ |
| public static float comp(float a) { |
| return 1 - a; |
| } |
| |
| /** |
| * Returns the "probabilistic or" of a and b. (a + b - ab). |
| * Useful beyond probability, can be used to combine two unit progresses for example. |
| */ |
| public static float or(float a, float b) { |
| float satA = saturate(a); |
| float satB = saturate(b); |
| return satA + satB - (satA * satB); |
| } |
| |
| /** |
| * Trims the string, removing all whitespace at the beginning and end of the string. |
| * Non-breaking whitespaces are also removed. |
| */ |
| @NonNull |
| public static String trim(CharSequence s) { |
| if (s == null) { |
| return ""; |
| } |
| |
| // 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); |
| } |
| |
| public static boolean isRtl(Resources res) { |
| return res.getConfiguration().getLayoutDirection() == View.LAYOUT_DIRECTION_RTL; |
| } |
| |
| public static float dpiFromPx(float size, int densityDpi) { |
| float densityRatio = (float) densityDpi / DisplayMetrics.DENSITY_DEFAULT; |
| return (size / densityRatio); |
| } |
| |
| /** Converts a dp value to pixels for the current device. */ |
| public static int dpToPx(float dp) { |
| return (int) (dp * Resources.getSystem().getDisplayMetrics().density); |
| } |
| |
| |
| public static int pxFromSp(float size, DisplayMetrics metrics) { |
| return pxFromSp(size, metrics, 1f); |
| } |
| |
| public static int pxFromSp(float size, DisplayMetrics metrics, float scale) { |
| return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, |
| size, metrics) * scale); |
| } |
| |
| 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; |
| } |
| |
| /** |
| * Using the view's bounds and icon size, calculate where the icon bounds will |
| * be if it was positioned at the center of the view. |
| */ |
| public static void setRectToViewCenter(View iconView, int iconSize, Rect outBounds) { |
| int top = (iconView.getHeight() - iconSize) / 2; |
| int left = (iconView.getWidth() - iconSize) / 2; |
| int right = left + iconSize; |
| int bottom = top + iconSize; |
| outBounds.set(left, top, right, bottom); |
| } |
| |
| /** |
| * 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)); |
| } |
| |
| /** |
| * Returns an intent for starting the default home activity |
| */ |
| public static Intent createHomeIntent() { |
| return new Intent(Intent.ACTION_MAIN) |
| .addCategory(Intent.CATEGORY_HOME) |
| .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| } |
| |
| /** |
| * 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) { |
| // Use application context for shared preferences, so that we use a single cached instance |
| return context.getApplicationContext().getSharedPreferences( |
| LauncherFiles.SHARED_PREFERENCES_KEY, Context.MODE_PRIVATE); |
| } |
| |
| public static SharedPreferences getDevicePrefs(Context context) { |
| // Use application context for shared preferences, so that we use a single cached instance |
| return context.getApplicationContext().getSharedPreferences( |
| LauncherFiles.DEVICE_PREFERENCES_KEY, Context.MODE_PRIVATE); |
| } |
| |
| public static boolean isWallpaperAllowed(Context context) { |
| return context.getSystemService(WallpaperManager.class).isSetWallpaperAllowed(); |
| } |
| |
| public static boolean isBinderSizeError(Exception e) { |
| return e.getCause() instanceof TransactionTooLargeException |
| || e.getCause() instanceof DeadObjectException; |
| } |
| |
| public static boolean isGridOptionsEnabled(Context context) { |
| return isComponentEnabled(context.getPackageManager(), |
| context.getPackageName(), |
| GridCustomizationsProvider.class.getName()); |
| } |
| |
| private static boolean isComponentEnabled(PackageManager pm, String pkgName, String clsName) { |
| ComponentName componentName = new ComponentName(pkgName, clsName); |
| int componentEnabledSetting = pm.getComponentEnabledSetting(componentName); |
| |
| switch (componentEnabledSetting) { |
| case PackageManager.COMPONENT_ENABLED_STATE_DISABLED: |
| return false; |
| case PackageManager.COMPONENT_ENABLED_STATE_ENABLED: |
| return true; |
| case PackageManager.COMPONENT_ENABLED_STATE_DEFAULT: |
| default: |
| // We need to get the application info to get the component's default state |
| try { |
| PackageInfo packageInfo = pm.getPackageInfo(pkgName, |
| PackageManager.GET_PROVIDERS | PackageManager.GET_DISABLED_COMPONENTS); |
| |
| if (packageInfo.providers != null) { |
| return Arrays.stream(packageInfo.providers).anyMatch( |
| pi -> pi.name.equals(clsName) && pi.isEnabled()); |
| } |
| |
| // the component is not declared in the AndroidManifest |
| return false; |
| } catch (PackageManager.NameNotFoundException e) { |
| // the package isn't installed on the device |
| return false; |
| } |
| } |
| } |
| |
| /** |
| * 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); |
| } |
| |
| public static void unregisterReceiverSafely(Context context, BroadcastReceiver receiver) { |
| try { |
| context.unregisterReceiver(receiver); |
| } catch (IllegalArgumentException e) {} |
| } |
| |
| /** |
| * Returns the full drawable for info without any flattening or pre-processing. |
| * |
| * @param outObj this is set to the internal data associated with {@param info}, |
| * eg {@link LauncherActivityInfo} or {@link ShortcutInfo}. |
| */ |
| public static Drawable getFullDrawable(Context context, ItemInfo info, int width, int height, |
| Object[] outObj) { |
| Drawable icon = loadFullDrawableWithoutTheme(context, info, width, height, outObj); |
| if (icon instanceof BitmapInfo.Extender) { |
| icon = ((BitmapInfo.Extender) icon).getThemedDrawable(context); |
| } |
| return icon; |
| } |
| |
| private static Drawable loadFullDrawableWithoutTheme(Context context, ItemInfo info, |
| int width, int height, Object[] outObj) { |
| ActivityContext activity = ActivityContext.lookupContext(context); |
| LauncherAppState appState = LauncherAppState.getInstance(context); |
| if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { |
| LauncherActivityInfo activityInfo = context.getSystemService(LauncherApps.class) |
| .resolveActivity(info.getIntent(), info.user); |
| outObj[0] = activityInfo; |
| return activityInfo == null ? null : LauncherAppState.getInstance(context) |
| .getIconProvider().getIcon( |
| activityInfo, activity.getDeviceProfile().inv.fillResIconDpi); |
| } 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()); |
| } |
| List<ShortcutInfo> si = ShortcutKey.fromItemInfo(info) |
| .buildRequest(context) |
| .query(ShortcutRequest.ALL); |
| if (si.isEmpty()) { |
| return null; |
| } else { |
| outObj[0] = si.get(0); |
| return ShortcutCachingLogic.getIcon(context, si.get(0), |
| appState.getInvariantDeviceProfile().fillResIconDpi); |
| } |
| } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_FOLDER) { |
| FolderAdaptiveIcon icon = FolderAdaptiveIcon.createFolderAdaptiveIcon( |
| activity, info.id, new Point(width, height)); |
| if (icon == null) { |
| return null; |
| } |
| outObj[0] = icon; |
| return icon; |
| } else if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_SEARCH_ACTION |
| && info instanceof SearchActionItemInfo) { |
| return new AdaptiveIconDrawable( |
| new FastBitmapDrawable(((SearchActionItemInfo) info).bitmap), null); |
| } 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(Context context, ItemInfo info, Object obj) { |
| LauncherAppState appState = LauncherAppState.getInstance(context); |
| 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; |
| Bitmap badge = LauncherAppState.getInstance(appState.getContext()) |
| .getIconCache().getShortcutInfoBadge(si).icon; |
| float badgeSize = LauncherIcons.getBadgeSizeForIconSize(iconSize); |
| 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 context.getPackageManager() |
| .getUserBadgedIcon(new FixedSizeEmptyDrawable(iconSize), info.user); |
| } |
| } |
| |
| /** |
| * @return true is the extra is either null or is of type {@param type} |
| */ |
| public static boolean isValidExtraType(Intent intent, String key, Class type) { |
| Object extra = intent.getParcelableExtra(key); |
| return extra == null || type.isInstance(extra); |
| } |
| |
| 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; |
| } |
| |
| /** |
| * Helper method to create a content provider |
| */ |
| public static ContentObserver newContentObserver(Handler handler, Consumer<Uri> command) { |
| return new ContentObserver(handler) { |
| @Override |
| public void onChange(boolean selfChange, Uri uri) { |
| command.accept(uri); |
| } |
| }; |
| } |
| |
| /** |
| * Compares the ratio of two quantities and returns whether that ratio is greater than the |
| * provided bound. Order of quantities does not matter. Bound should be a decimal representation |
| * of a percentage. |
| */ |
| public static boolean isRelativePercentDifferenceGreaterThan(float first, float second, |
| float bound) { |
| return (Math.abs(first - second) / Math.abs((first + second) / 2.0f)) > bound; |
| } |
| |
| /** |
| * Rotates `inOutBounds` by `delta` 90-degree increments. Rotation is visually CCW. Parent |
| * sizes represent the "space" that will rotate carrying inOutBounds along with it to determine |
| * the final bounds. |
| */ |
| public static void rotateBounds(Rect inOutBounds, int parentWidth, int parentHeight, |
| int delta) { |
| int rdelta = ((delta % 4) + 4) % 4; |
| int origLeft = inOutBounds.left; |
| switch (rdelta) { |
| case 0: |
| return; |
| case 1: |
| inOutBounds.left = inOutBounds.top; |
| inOutBounds.top = parentWidth - inOutBounds.right; |
| inOutBounds.right = inOutBounds.bottom; |
| inOutBounds.bottom = parentWidth - origLeft; |
| return; |
| case 2: |
| inOutBounds.left = parentWidth - inOutBounds.right; |
| inOutBounds.right = parentWidth - origLeft; |
| return; |
| case 3: |
| inOutBounds.left = parentHeight - inOutBounds.bottom; |
| inOutBounds.bottom = inOutBounds.right; |
| inOutBounds.right = parentHeight - inOutBounds.top; |
| inOutBounds.top = origLeft; |
| return; |
| } |
| } |
| |
| /** |
| * Make a color filter that blends a color into the destination based on a scalable amout. |
| * |
| * @param color to blend in. |
| * @param tintAmount [0-1] 0 no tinting, 1 full color. |
| * @return ColorFilter for tinting, or {@code null} if no filter is needed. |
| */ |
| public static ColorFilter makeColorTintingColorFilter(int color, float tintAmount) { |
| if (tintAmount == 0f) { |
| return null; |
| } |
| return new LightingColorFilter( |
| // This isn't blending in white, its making a multiplication mask for the base color |
| ColorUtils.blendARGB(Color.WHITE, 0, tintAmount), |
| ColorUtils.blendARGB(0, color, tintAmount)); |
| } |
| |
| /** |
| * Sets start margin on the provided {@param view} to be {@param margin}. |
| * Assumes {@param view} is a child of {@link LinearLayout} |
| */ |
| public static void setStartMarginForView(View view, int margin) { |
| LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) view.getLayoutParams(); |
| lp.setMarginStart(margin); |
| view.setLayoutParams(lp); |
| } |
| |
| public static Rect getViewBounds(@NonNull View v) { |
| int[] pos = new int[2]; |
| v.getLocationOnScreen(pos); |
| return new Rect(pos[0], pos[1], pos[0] + v.getWidth(), pos[1] + v.getHeight()); |
| } |
| |
| 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; |
| } |
| } |
| } |
