1 /* 2 * Copyright (C) 2016 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 17 package com.android.launcher3.graphics; 18 19 import android.content.Context; 20 import android.content.res.Resources; 21 import android.graphics.Bitmap; 22 import android.graphics.Canvas; 23 import android.graphics.Color; 24 import android.graphics.Path; 25 import android.graphics.Rect; 26 import android.graphics.drawable.BitmapDrawable; 27 import android.graphics.drawable.Drawable; 28 import android.os.Process; 29 import android.os.UserHandle; 30 import android.support.annotation.UiThread; 31 import android.util.ArrayMap; 32 import android.util.Log; 33 import com.android.launcher3.FastBitmapDrawable; 34 import com.android.launcher3.ItemInfo; 35 import com.android.launcher3.R; 36 import com.android.launcher3.Utilities; 37 import com.android.launcher3.allapps.AllAppsBackgroundDrawable; 38 39 /** 40 * Factory for creating new drawables. 41 */ 42 public class DrawableFactory { 43 44 private static final String TAG = "DrawableFactory"; 45 46 private static DrawableFactory sInstance; 47 private static final Object LOCK = new Object(); 48 49 private Path mPreloadProgressPath; 50 get(Context context)51 public static DrawableFactory get(Context context) { 52 synchronized (LOCK) { 53 if (sInstance == null) { 54 sInstance = Utilities.getOverrideObject(DrawableFactory.class, 55 context.getApplicationContext(), R.string.drawable_factory_class); 56 } 57 return sInstance; 58 } 59 } 60 61 protected final UserHandle mMyUser = Process.myUserHandle(); 62 protected final ArrayMap<UserHandle, Bitmap> mUserBadges = new ArrayMap<>(); 63 64 /** 65 * Returns a FastBitmapDrawable with the icon. 66 */ newIcon(Bitmap icon, ItemInfo info)67 public FastBitmapDrawable newIcon(Bitmap icon, ItemInfo info) { 68 return new FastBitmapDrawable(icon); 69 } 70 71 /** 72 * Returns a FastBitmapDrawable with the icon. 73 */ newPendingIcon(Bitmap icon, Context context)74 public PreloadIconDrawable newPendingIcon(Bitmap icon, Context context) { 75 if (mPreloadProgressPath == null) { 76 mPreloadProgressPath = getPreloadProgressPath(context); 77 } 78 return new PreloadIconDrawable(icon, mPreloadProgressPath, context); 79 } 80 81 getPreloadProgressPath(Context context)82 protected Path getPreloadProgressPath(Context context) { 83 if (Utilities.ATLEAST_OREO) { 84 try { 85 // Try to load the path from Mask Icon 86 Drawable icon = context.getDrawable(R.drawable.adaptive_icon_drawable_wrapper); 87 icon.setBounds(0, 0, 88 PreloadIconDrawable.PATH_SIZE, PreloadIconDrawable.PATH_SIZE); 89 return (Path) icon.getClass().getMethod("getIconMask").invoke(icon); 90 } catch (Exception e) { 91 Log.e(TAG, "Error loading mask icon", e); 92 } 93 } 94 95 // Create a circle static from top center and going clockwise. 96 Path p = new Path(); 97 p.moveTo(PreloadIconDrawable.PATH_SIZE / 2, 0); 98 p.addArc(0, 0, PreloadIconDrawable.PATH_SIZE, PreloadIconDrawable.PATH_SIZE, -90, 360); 99 return p; 100 } 101 getAllAppsBackground(Context context)102 public AllAppsBackgroundDrawable getAllAppsBackground(Context context) { 103 return new AllAppsBackgroundDrawable(context); 104 } 105 106 /** 107 * Returns a drawable that can be used as a badge for the user or null. 108 */ 109 @UiThread getBadgeForUser(UserHandle user, Context context)110 public Drawable getBadgeForUser(UserHandle user, Context context) { 111 if (mMyUser.equals(user)) { 112 return null; 113 } 114 115 Bitmap badgeBitmap = getUserBadge(user, context); 116 FastBitmapDrawable d = new FastBitmapDrawable(badgeBitmap); 117 d.setFilterBitmap(true); 118 d.setBounds(0, 0, badgeBitmap.getWidth(), badgeBitmap.getHeight()); 119 return d; 120 } 121 getUserBadge(UserHandle user, Context context)122 protected synchronized Bitmap getUserBadge(UserHandle user, Context context) { 123 Bitmap badgeBitmap = mUserBadges.get(user); 124 if (badgeBitmap != null) { 125 return badgeBitmap; 126 } 127 128 final Resources res = context.getApplicationContext().getResources(); 129 int badgeSize = res.getDimensionPixelSize(R.dimen.profile_badge_size); 130 badgeBitmap = Bitmap.createBitmap(badgeSize, badgeSize, Bitmap.Config.ARGB_8888); 131 132 Drawable drawable = context.getPackageManager().getUserBadgedDrawableForDensity( 133 new BitmapDrawable(res, badgeBitmap), user, new Rect(0, 0, badgeSize, badgeSize), 134 0); 135 if (drawable instanceof BitmapDrawable) { 136 badgeBitmap = ((BitmapDrawable) drawable).getBitmap(); 137 } else { 138 badgeBitmap.eraseColor(Color.TRANSPARENT); 139 Canvas c = new Canvas(badgeBitmap); 140 drawable.setBounds(0, 0, badgeSize, badgeSize); 141 drawable.draw(c); 142 c.setBitmap(null); 143 } 144 145 mUserBadges.put(user, badgeBitmap); 146 return badgeBitmap; 147 } 148 } 149