1 /* 2 * Copyright (C) 2014 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.pm; 18 19 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR; 20 21 import android.annotation.TargetApi; 22 import android.content.Context; 23 import android.content.Intent; 24 import android.content.pm.LauncherApps; 25 import android.content.pm.LauncherApps.PinItemRequest; 26 import android.content.pm.ShortcutInfo; 27 import android.os.Build; 28 import android.os.Parcelable; 29 30 import androidx.annotation.Nullable; 31 32 import com.android.launcher3.LauncherAppState; 33 import com.android.launcher3.icons.ShortcutCachingLogic; 34 import com.android.launcher3.model.data.WorkspaceItemInfo; 35 36 public class PinRequestHelper { 37 38 /** 39 * request.accept() will initiate the following flow: 40 * -> go-to-system-process for actual processing (a) 41 * -> callback-to-launcher on UI thread (b) 42 * -> post callback on the worker thread (c) 43 * -> Update model and unpin (in system) any shortcut not in out model. (d) 44 * 45 * Note that (b) will take at-least one frame as it involves posting callback from binder 46 * thread to UI thread. 47 * If (d) happens before we add this shortcut to our model, we will end up unpinning 48 * the shortcut in the system. 49 * Here its the caller's responsibility to add the newly created WorkspaceItemInfo immediately 50 * to the model (which may involves a single post-to-worker-thread). That will guarantee 51 * that (d) happens after model is updated. 52 */ 53 @Nullable 54 @TargetApi(Build.VERSION_CODES.O) createWorkspaceItemFromPinItemRequest( Context context, final PinItemRequest request, final long acceptDelay)55 public static WorkspaceItemInfo createWorkspaceItemFromPinItemRequest( 56 Context context, final PinItemRequest request, final long acceptDelay) { 57 if (request != null && request.getRequestType() == PinItemRequest.REQUEST_TYPE_SHORTCUT 58 && request.isValid()) { 59 60 if (acceptDelay <= 0) { 61 if (!request.accept()) { 62 return null; 63 } 64 } else { 65 // Block the worker thread until the accept() is called. 66 MODEL_EXECUTOR.execute(new Runnable() { 67 @Override 68 public void run() { 69 try { 70 Thread.sleep(acceptDelay); 71 } catch (InterruptedException e) { 72 // Ignore 73 } 74 if (request.isValid()) { 75 request.accept(); 76 } 77 } 78 }); 79 } 80 81 ShortcutInfo si = request.getShortcutInfo(); 82 WorkspaceItemInfo info = new WorkspaceItemInfo(si, context); 83 // Apply the unbadged icon synchronously using the caching logic directly and 84 // fetch the actual icon asynchronously. 85 info.bitmap = new ShortcutCachingLogic().loadIcon(context, si); 86 LauncherAppState.getInstance(context).getModel().updateAndBindWorkspaceItem(info, si); 87 return info; 88 } else { 89 return null; 90 } 91 } 92 93 @TargetApi(Build.VERSION_CODES.O) getPinItemRequest(Intent intent)94 public static PinItemRequest getPinItemRequest(Intent intent) { 95 Parcelable extra = intent.getParcelableExtra(LauncherApps.EXTRA_PIN_ITEM_REQUEST); 96 return extra instanceof PinItemRequest ? (PinItemRequest) extra : null; 97 } 98 } 99