The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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 | |
Daniel Sandler | 325dc23 | 2013-06-05 22:57:57 -0400 | [diff] [blame] | 17 | package com.android.launcher3; |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 18 | |
| 19 | import android.view.View; |
| 20 | |
Daniel Sandler | 325dc23 | 2013-06-05 22:57:57 -0400 | [diff] [blame] | 21 | import com.android.launcher3.DropTarget.DragObject; |
Adam Cohen | c0dcf59 | 2011-06-01 15:30:43 -0700 | [diff] [blame] | 22 | |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 23 | /** |
| 24 | * Interface defining an object that can originate a drag. |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 25 | */ |
| 26 | public interface DragSource { |
Hyunyoung Song | 3f47144 | 2015-04-08 19:01:34 -0700 | [diff] [blame] | 27 | |
Winson Chung | a48487a | 2012-03-20 16:19:37 -0700 | [diff] [blame] | 28 | /** |
| 29 | * @return whether items dragged from this source supports |
| 30 | */ |
Winson Chung | 043f2af | 2012-03-01 16:09:54 -0800 | [diff] [blame] | 31 | boolean supportsFlingToDelete(); |
Winson Chung | a48487a | 2012-03-20 16:19:37 -0700 | [diff] [blame] | 32 | |
Mathew Inwood | 1eeb3fc | 2013-11-25 17:01:34 +0000 | [diff] [blame] | 33 | /** |
| 34 | * @return whether items dragged from this source supports 'App Info' |
| 35 | */ |
| 36 | boolean supportsAppInfoDropTarget(); |
| 37 | |
| 38 | /** |
| 39 | * @return whether items dragged from this source supports 'Delete' drop target (e.g. to remove |
| 40 | * a shortcut. |
| 41 | */ |
| 42 | boolean supportsDeleteDropTarget(); |
| 43 | |
Winson Chung | eeb5bbc | 2013-11-13 15:47:05 -0800 | [diff] [blame] | 44 | /* |
| 45 | * @return the scale of the icons over the workspace icon size |
| 46 | */ |
| 47 | float getIntrinsicIconScaleFactor(); |
| 48 | |
Winson Chung | a48487a | 2012-03-20 16:19:37 -0700 | [diff] [blame] | 49 | /** |
| 50 | * A callback specifically made back to the source after an item from this source has been flung |
| 51 | * to be deleted on a DropTarget. In such a situation, this method will be called after |
| 52 | * onDropCompleted, and more importantly, after the fling animation has completed. |
| 53 | */ |
| 54 | void onFlingToDeleteCompleted(); |
| 55 | |
| 56 | /** |
| 57 | * A callback made back to the source after an item from this source has been dropped on a |
| 58 | * DropTarget. |
| 59 | */ |
| 60 | void onDropCompleted(View target, DragObject d, boolean isFlingToDelete, boolean success); |
The Android Open Source Project | 31dd503 | 2009-03-03 19:32:27 -0800 | [diff] [blame] | 61 | } |