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/*
* Copyright 2018 Allan Wang
*
* 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
*
* http://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 ca.allanwang.kau.ui.activities
import android.os.Build
import android.os.Bundle
import android.transition.TransitionInflater
import androidx.annotation.RequiresApi
import androidx.appcompat.widget.Toolbar
import androidx.recyclerview.widget.RecyclerView
import ca.allanwang.kau.internal.KauBaseActivity
import ca.allanwang.kau.ui.R
import ca.allanwang.kau.ui.databinding.KauElasticRecyclerActivityBinding
import ca.allanwang.kau.ui.widgets.ElasticDragDismissFrameLayout
/**
* Created by Allan Wang on 2017-07-17.
*
* A generic activity comprised of an ElasticDragDismissFrameLayout, CoordinatorLayout, Toolbar, RecyclerView, and Fab
* [ca.allanwang.kau.ui.widgets.ElasticDragDismissFrameLayout]
* [androidx.recyclerview.widget.RecyclerView]
*
* The recyclerview defaults to a linearlayoutmanager, and the adapter is automatically bounded
*
* The exit animation is set to slide out, but the entrance must be defined yourself
*/
@RequiresApi(Build.VERSION_CODES.LOLLIPOP)
abstract class ElasticRecyclerActivity : KauBaseActivity() {
private val configs = Configs()
private lateinit var binding: KauElasticRecyclerActivityBinding
protected val toolbar: Toolbar get() = binding.kauToolbar
protected val recycler: RecyclerView get() = binding.kauRecycler
class Configs {
var exitTransitionBottom = R.transition.kau_exit_slide_bottom
var exitTransitionTop = R.transition.kau_exit_slide_top
}
final override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = KauElasticRecyclerActivityBinding.inflate(layoutInflater)
setContentView(binding.root)
setSupportActionBar(binding.kauToolbar)
if (!onCreate(savedInstanceState, configs)) {
return
}
binding.init()
}
private fun KauElasticRecyclerActivityBinding.init() {
kauDraggable.addListener(object : ElasticDragDismissFrameLayout.SystemChromeFader(this@ElasticRecyclerActivity) {
override fun onDragDismissed() {
window.returnTransition = TransitionInflater.from(this@ElasticRecyclerActivity)
.inflateTransition(if (kauDraggable.translationY > 0) configs.exitTransitionBottom else configs.exitTransitionTop)
kauRecycler.stopScroll()
finishAfterTransition()
}
})
}
/**
* The replacement method for the original [onCreate]
* The configurations are passed and can be customized here
* Returns true (default) if we wish to continue with the remaining optional setup
* Return false if we wish to skip this (usually if we have more complez requirements)
*/
abstract fun onCreate(savedInstanceState: Bundle?, configs: Configs): Boolean
/**
* Receive actions when the a click event is received outside of the coordinator
*/
fun setOutsideTapListener(listener: () -> Unit) {
binding.kauDraggable.setOnClickListener { listener() }
}
}
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