1 /* 2 * Copyright (C) 2021 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 package com.android.launcher3.model.data; 17 18 import static android.graphics.BitmapFactory.decodeByteArray; 19 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.pm.LauncherActivityInfo; 23 import android.text.TextUtils; 24 import android.util.Log; 25 26 import androidx.annotation.NonNull; 27 import androidx.annotation.Nullable; 28 29 import com.android.launcher3.LauncherSettings; 30 import com.android.launcher3.icons.BitmapInfo; 31 import com.android.launcher3.icons.LauncherIcons; 32 33 /** 34 * Class representing one request for an icon to be queried in a sql database. 35 * 36 * @param <T> ItemInfoWithIcon subclass whose title and icon can be loaded and filled by an sql 37 * query. 38 */ 39 public class IconRequestInfo<T extends ItemInfoWithIcon> { 40 41 private static final String TAG = "IconRequestInfo"; 42 43 @NonNull public final T itemInfo; 44 @Nullable public final LauncherActivityInfo launcherActivityInfo; 45 @Nullable public final String packageName; 46 @Nullable public final String resourceName; 47 @Nullable public final byte[] iconBlob; 48 public final boolean useLowResIcon; 49 IconRequestInfo( @onNull T itemInfo, @Nullable LauncherActivityInfo launcherActivityInfo, boolean useLowResIcon)50 public IconRequestInfo( 51 @NonNull T itemInfo, 52 @Nullable LauncherActivityInfo launcherActivityInfo, 53 boolean useLowResIcon) { 54 this( 55 itemInfo, 56 launcherActivityInfo, 57 /* packageName= */ null, 58 /* resourceName= */ null, 59 /* iconBlob= */ null, 60 useLowResIcon); 61 } 62 IconRequestInfo( @onNull T itemInfo, @Nullable LauncherActivityInfo launcherActivityInfo, @Nullable String packageName, @Nullable String resourceName, @Nullable byte[] iconBlob, boolean useLowResIcon)63 public IconRequestInfo( 64 @NonNull T itemInfo, 65 @Nullable LauncherActivityInfo launcherActivityInfo, 66 @Nullable String packageName, 67 @Nullable String resourceName, 68 @Nullable byte[] iconBlob, 69 boolean useLowResIcon) { 70 this.itemInfo = itemInfo; 71 this.launcherActivityInfo = launcherActivityInfo; 72 this.packageName = packageName; 73 this.resourceName = resourceName; 74 this.iconBlob = iconBlob; 75 this.useLowResIcon = useLowResIcon; 76 } 77 78 /** 79 * Loads this request's item info's title. This method should only be used on IconRequestInfos 80 * for WorkspaceItemInfos. 81 */ loadWorkspaceIcon(Context context)82 public boolean loadWorkspaceIcon(Context context) { 83 if (!(itemInfo instanceof WorkspaceItemInfo)) { 84 throw new IllegalStateException( 85 "loadWorkspaceIcon should only be use for a WorkspaceItemInfos: " + itemInfo); 86 } 87 88 try (LauncherIcons li = LauncherIcons.obtain(context)) { 89 WorkspaceItemInfo info = (WorkspaceItemInfo) itemInfo; 90 if (itemInfo.itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT) { 91 if (!TextUtils.isEmpty(packageName) || !TextUtils.isEmpty(resourceName)) { 92 info.iconResource = new Intent.ShortcutIconResource(); 93 info.iconResource.packageName = packageName; 94 info.iconResource.resourceName = resourceName; 95 BitmapInfo iconInfo = li.createIconBitmap(info.iconResource); 96 if (iconInfo != null) { 97 info.bitmap = iconInfo; 98 return true; 99 } 100 } 101 } 102 103 // Failed to load from resource, try loading from DB. 104 try { 105 if (iconBlob == null) { 106 return false; 107 } 108 info.bitmap = li.createIconBitmap(decodeByteArray( 109 iconBlob, 0, iconBlob.length)); 110 return true; 111 } catch (Exception e) { 112 Log.e(TAG, "Failed to decode byte array for info " + info, e); 113 return false; 114 } 115 } 116 } 117 } 118