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.Log; 32 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 import java.util.HashMap; 40 41 /** 42 * Factory for creating new drawables. 43 */ 44 public class DrawableFactory { 45 46 private static final String TAG = "DrawableFactory"; 47 48 private static DrawableFactory sInstance; 49 private static final Object LOCK = new Object(); 50 51 private Path mPreloadProgressPath; 52 53 public static DrawableFactory get(Context context) { 54 synchronized (LOCK) { 55 if (sInstance == null) { 56 sInstance = Utilities.getOverrideObject(DrawableFactory.class, 57 context.getApplicationContext(), R.string.drawable_factory_class); 58 } 59 return sInstance; 60 } 61 } 62 63 protected final UserHandle mMyUser = Process.myUserHandle(); 64 protected final HashMap<UserHandle, Bitmap> mUserBadges = new HashMap<>(); 65 66 /** 67 * Returns a FastBitmapDrawable with the icon. 68 */ 69 public FastBitmapDrawable newIcon(Bitmap icon, ItemInfo info) { 70 return new FastBitmapDrawable(icon); 71 } 72 73 /** 74 * Returns a FastBitmapDrawable with the icon. 75 */ 76 public PreloadIconDrawable newPendingIcon(Bitmap icon, Context context) { 77 if (mPreloadProgressPath == null) { 78 mPreloadProgressPath = getPreloadProgressPath(context); 79 } 80 return new PreloadIconDrawable(icon, mPreloadProgressPath, context); 81 } 82 83 84 protected Path getPreloadProgressPath(Context context) { 85 if (Utilities.isAtLeastO()) { 86 try { 87 // Try to load the path from Mask Icon 88 Drawable icon = context.getDrawable(R.drawable.adaptive_icon_drawable_wrapper); 89 icon.setBounds(0, 0, 90 PreloadIconDrawable.PATH_SIZE, PreloadIconDrawable.PATH_SIZE); 91 return (Path) icon.getClass().getMethod("getIconMask").invoke(icon); 92 } catch (Exception e) { 93 Log.e(TAG, "Error loading mask icon", e); 94 } 95 } 96 97 // Create a circle static from top center and going clockwise. 98 Path p = new Path(); 99 p.moveTo(PreloadIconDrawable.PATH_SIZE / 2, 0); 100 p.addArc(0, 0, PreloadIconDrawable.PATH_SIZE, PreloadIconDrawable.PATH_SIZE, -90, 360); 101 return p; 102 } 103 104 public AllAppsBackgroundDrawable getAllAppsBackground(Context context) { 105 return new AllAppsBackgroundDrawable(context); 106 } 107 108 /** 109 * Returns a drawable that can be used as a badge for the user or null. 110 */ 111 @UiThread 112 public Drawable getBadgeForUser(UserHandle user, Context context) { 113 if (mMyUser.equals(user)) { 114 return null; 115 } 116 117 Bitmap badgeBitmap = getUserBadge(user, context); 118 FastBitmapDrawable d = new FastBitmapDrawable(badgeBitmap); 119 d.setFilterBitmap(true); 120 d.setBounds(0, 0, badgeBitmap.getWidth(), badgeBitmap.getHeight()); 121 return d; 122 } 123 124 protected synchronized Bitmap getUserBadge(UserHandle user, Context context) { 125 Bitmap badgeBitmap = mUserBadges.get(user); 126 if (badgeBitmap != null) { 127 return badgeBitmap; 128 } 129 130 final Resources res = context.getApplicationContext().getResources(); 131 int badgeSize = res.getDimensionPixelSize(R.dimen.profile_badge_size); 132 badgeBitmap = Bitmap.createBitmap(badgeSize, badgeSize, Bitmap.Config.ARGB_8888); 133 134 Drawable drawable = context.getPackageManager().getUserBadgedDrawableForDensity( 135 new BitmapDrawable(res, badgeBitmap), user, new Rect(0, 0, badgeSize, badgeSize), 136 0); 137 if (drawable instanceof BitmapDrawable) { 138 badgeBitmap = ((BitmapDrawable) drawable).getBitmap(); 139 } else { 140 badgeBitmap.eraseColor(Color.TRANSPARENT); 141 Canvas c = new Canvas(badgeBitmap); 142 drawable.setBounds(0, 0, badgeSize, badgeSize); 143 drawable.draw(c); 144 c.setBitmap(null); 145 } 146 147 mUserBadges.put(user, badgeBitmap); 148 return badgeBitmap; 149 } 150 } 151