1 /* 2 * Copyright (C) 2013 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.documentsui; 18 19 import static com.android.documentsui.util.FlagUtils.isUseMaterial3FlagEnabled; 20 21 import android.content.Context; 22 import android.content.pm.PackageManager; 23 import android.content.pm.ProviderInfo; 24 import android.content.res.Resources; 25 import android.graphics.Outline; 26 import android.graphics.drawable.Drawable; 27 import android.graphics.drawable.Icon; 28 import android.util.TypedValue; 29 import android.view.View; 30 import android.view.ViewOutlineProvider; 31 import android.widget.ImageView; 32 33 import com.android.documentsui.base.UserId; 34 import com.android.documentsui.util.ColorUtils; 35 36 import java.util.HashMap; 37 import java.util.Map; 38 39 public class IconUtils { 40 // key: drawable resource id, value: color attribute id 41 private static final Map<Integer, Integer> sCustomIconColorMap = new HashMap<>(); 42 43 static { 44 if (isUseMaterial3FlagEnabled()) { 45 // Use Resources.getSystem().getIdentifier() here instead of R.drawable.ic_doc_folder 46 // because com.android.internal.R is not public. 47 sCustomIconColorMap.put( 48 Resources.getSystem().getIdentifier("ic_doc_folder", "drawable", "android"), 49 com.google.android.material.R.attr.colorPrimaryFixedDim); 50 sCustomIconColorMap.put( 51 Resources.getSystem().getIdentifier("ic_doc_generic", "drawable", "android"), 52 com.google.android.material.R.attr.colorOutline); 53 sCustomIconColorMap.put( 54 Resources.getSystem() 55 .getIdentifier("ic_doc_certificate", "drawable", "android"), 56 com.google.android.material.R.attr.colorOutline); 57 sCustomIconColorMap.put( 58 Resources.getSystem().getIdentifier("ic_doc_codes", "drawable", "android"), 59 com.google.android.material.R.attr.colorOutline); 60 sCustomIconColorMap.put( 61 Resources.getSystem().getIdentifier("ic_doc_contact", "drawable", "android"), 62 com.google.android.material.R.attr.colorOutline); 63 sCustomIconColorMap.put( 64 Resources.getSystem().getIdentifier("ic_doc_font", "drawable", "android"), 65 com.google.android.material.R.attr.colorOutline); 66 } 67 } 68 loadPackageIcon(Context context, UserId userId, String authority, int icon, boolean maybeShowBadge)69 public static Drawable loadPackageIcon(Context context, UserId userId, String authority, 70 int icon, boolean maybeShowBadge) { 71 if (icon != 0) { 72 final PackageManager pm = userId.getPackageManager(context); 73 Drawable packageIcon = null; 74 if (authority != null) { 75 final ProviderInfo info = pm.resolveContentProvider(authority, 0); 76 if (info != null) { 77 packageIcon = pm.getDrawable(info.packageName, icon, info.applicationInfo); 78 } 79 } else { 80 packageIcon = userId.getDrawable(context, icon); 81 } 82 if (packageIcon != null && maybeShowBadge) { 83 return userId.getUserBadgedIcon(context, packageIcon); 84 } else { 85 return packageIcon; 86 } 87 } 88 89 return null; 90 } 91 loadMimeIcon( Context context, String mimeType, String authority, String docId, int mode)92 public static Drawable loadMimeIcon( 93 Context context, String mimeType, String authority, String docId, int mode) { 94 return loadMimeIcon(context, mimeType); 95 } 96 97 /** 98 * Load mime type drawable from system MimeIconUtils. 99 * @param context activity context to obtain resource 100 * @param mimeType specific mime type string of file 101 * @return drawable of mime type files from system default 102 */ loadMimeIcon(Context context, String mimeType)103 public static Drawable loadMimeIcon(Context context, String mimeType) { 104 if (mimeType == null) return null; 105 Icon icon = context.getContentResolver().getTypeInfo(mimeType).getIcon(); 106 Drawable drawable = icon.loadDrawable(context); 107 // TODO(b/400263417): Remove this once RRO mime icons support dynamic colors. 108 if (isUseMaterial3FlagEnabled() 109 && drawable != null 110 && sCustomIconColorMap.containsKey(icon.getResId())) { 111 drawable.setTint( 112 ColorUtils.resolveMaterialColorAttribute( 113 context, sCustomIconColorMap.get(icon.getResId()))); 114 } 115 return drawable; 116 } 117 applyTintColor(Context context, int drawableId, int tintColorId)118 public static Drawable applyTintColor(Context context, int drawableId, int tintColorId) { 119 final Drawable icon = context.getDrawable(drawableId); 120 return applyTintColor(context, icon, tintColorId); 121 } 122 applyTintColor(Context context, Drawable icon, int tintColorId)123 public static Drawable applyTintColor(Context context, Drawable icon, int tintColorId) { 124 icon.mutate(); 125 icon.setTintList(context.getColorStateList(tintColorId)); 126 return icon; 127 } 128 applyTintAttr(Context context, int drawableId, int tintAttrId)129 public static Drawable applyTintAttr(Context context, int drawableId, int tintAttrId) { 130 final TypedValue outValue = new TypedValue(); 131 context.getTheme().resolveAttribute(tintAttrId, outValue, true); 132 return applyTintColor(context, drawableId, outValue.resourceId); 133 } 134 135 /** 136 * When a ImageView loads a thumbnail from a bitmap, we usually uses a CardView to wrap it to 137 * apply CardView's corner radius to the ImageView. This causes the corner pixelation of the 138 * thumbnail especially when there's a border (stroke) around the CardView. This method creates 139 * a custom clip outline with the correct shape to fix this issue. 140 * 141 * @param imageView ImageView to apply clip outline. 142 * @param strokeWidth stroke width of the thumbnail. 143 * @param cornerRadius corner radius of the thumbnail. 144 */ applyThumbnailClipOutline( ImageView imageView, int strokeWidth, int cornerRadius)145 public static void applyThumbnailClipOutline( 146 ImageView imageView, int strokeWidth, int cornerRadius) { 147 ViewOutlineProvider outlineProvider = 148 new ViewOutlineProvider() { 149 @Override 150 public void getOutline(View view, Outline outline) { 151 outline.setRoundRect( 152 strokeWidth, 153 strokeWidth, 154 view.getWidth() - strokeWidth, 155 view.getHeight() - strokeWidth, 156 cornerRadius); 157 } 158 }; 159 imageView.setOutlineProvider(outlineProvider); 160 imageView.setClipToOutline(true); 161 } 162 } 163