/*

* Copyright 2024 The Android Open Source Project

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* https://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

package com.example.compose.snippets.draganddrop

import android.content.ClipData

import android.content.ClipDescription

import android.os.Build

import android.view.View

import androidx.activity.compose.LocalActivity

import androidx.annotation.RequiresApi

import androidx.compose.foundation.ExperimentalFoundationApi

import androidx.compose.foundation.draganddrop.dragAndDropSource

import androidx.compose.foundation.draganddrop.dragAndDropTarget

import androidx.compose.runtime.Composable

import androidx.compose.runtime.remember

import androidx.compose.ui.Modifier

import androidx.compose.ui.draganddrop.DragAndDropEvent

import androidx.compose.ui.draganddrop.DragAndDropTarget

import androidx.compose.ui.draganddrop.DragAndDropTransferData

import androidx.compose.ui.draganddrop.mimeTypes

import androidx.compose.ui.draganddrop.toAndroidDragEvent

@RequiresApi(Build.VERSION_CODES.N)

@OptIn(ExperimentalFoundationApi::class)

@Composable

private fun DragAndDropSnippet() {

val url = ""

// [START android_compose_drag_and_drop_2]

Modifier.dragAndDropSource { _ ->

DragAndDropTransferData(

ClipData.newPlainText(

"image Url", url

)

)

}

// [END android_compose_drag_and_drop_2]

// [START android_compose_drag_and_drop_3]

Modifier.dragAndDropSource { _ ->

DragAndDropTransferData(

ClipData.newPlainText(

"image Url", url

),

flags = View.DRAG_FLAG_GLOBAL

)

}

// [END android_compose_drag_and_drop_3]

// [START android_compose_drag_and_drop_4]

val callback = remember {

object : DragAndDropTarget {

override fun onDrop(event: DragAndDropEvent): Boolean {

// Parse received data

return true

}

}

}

// [END android_compose_drag_and_drop_4]

LocalActivity.current?.let { activity ->

// [START android_compose_drag_and_drop_7]

val externalAppCallback = remember {

object : DragAndDropTarget {

override fun onDrop(event: DragAndDropEvent): Boolean {

val permission =

activity.requestDragAndDropPermissions(event.toAndroidDragEvent())

// Parse received data

permission?.release()

return true

}

}

}

// [END android_compose_drag_and_drop_7]

}

// [START android_compose_drag_and_drop_5]

Modifier.dragAndDropTarget(

shouldStartDragAndDrop = { event ->

event.mimeTypes().contains(ClipDescription.MIMETYPE_TEXT_PLAIN)

}, target = callback // or externalAppCallback

)

// [END android_compose_drag_and_drop_5]

// [START android_compose_drag_and_drop_6]

object : DragAndDropTarget {

override fun onStarted(event: DragAndDropEvent) {

// When the drag event starts

}

override fun onEntered(event: DragAndDropEvent) {

// When the dragged object enters the target surface

}

override fun onEnded(event: DragAndDropEvent) {

// When the drag event stops

}

override fun onExited(event: DragAndDropEvent) {

// When the dragged object exits the target surface

}

override fun onDrop(event: DragAndDropEvent): Boolean = true

}

// [END android_compose_drag_and_drop_6]

}