1 /* 2 * Copyright (C) 2024 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 android.window; 18 19 import android.app.ActivityManager; 20 import android.view.DragEvent; 21 import android.window.IUnhandledDragCallback; 22 23 /** 24 * An interface to a handler for global drags. 25 * {@hide} 26 */ 27 oneway interface IGlobalDragListener { 28 /** 29 * Called when a cross-window drag is handled by another window. 30 * @param taskInfo the task containing the window that consumed the drop 31 */ onCrossWindowDrop(in ActivityManager.RunningTaskInfo taskInfo)32 void onCrossWindowDrop(in ActivityManager.RunningTaskInfo taskInfo); 33 34 /** 35 * Called when the user finishes the drag gesture but no windows have reported handling the 36 * drop. The DragEvent is populated with the drag surface for the listener to animate. The 37 * listener *MUST* call the provided callback exactly once when it has finished handling the 38 * drop. If the listener calls the callback with `true` then it is responsible for removing 39 * and releasing the drag surface passed through the DragEvent. 40 */ onUnhandledDrop(in DragEvent event, in IUnhandledDragCallback callback)41 void onUnhandledDrop(in DragEvent event, in IUnhandledDragCallback callback); 42 } 43