Mathew Inwood
1eeb3fc9d8
This allows other DragSource's to allow this behaviour, instead of it being tied to specific source types. Change-Id: I06b7c39b1b34a0ae141245bcc13b6a0873a4c0fd
62 lines
1.9 KiB
Java
62 lines
1.9 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3;
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import android.view.View;
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import com.android.launcher3.DropTarget.DragObject;
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/**
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* Interface defining an object that can originate a drag.
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*
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*/
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public interface DragSource {
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/**
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* @return whether items dragged from this source supports
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*/
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boolean supportsFlingToDelete();
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/**
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* @return whether items dragged from this source supports 'App Info'
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*/
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boolean supportsAppInfoDropTarget();
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/**
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* @return whether items dragged from this source supports 'Delete' drop target (e.g. to remove
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* a shortcut.
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*/
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boolean supportsDeleteDropTarget();
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/*
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* @return the scale of the icons over the workspace icon size
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*/
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float getIntrinsicIconScaleFactor();
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/**
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* A callback specifically made back to the source after an item from this source has been flung
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* to be deleted on a DropTarget. In such a situation, this method will be called after
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* onDropCompleted, and more importantly, after the fling animation has completed.
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*/
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void onFlingToDeleteCompleted();
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/**
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* A callback made back to the source after an item from this source has been dropped on a
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* DropTarget.
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*/
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void onDropCompleted(View target, DragObject d, boolean isFlingToDelete, boolean success);
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}
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