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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.about
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.recyclerview.widget.RecyclerView
import ca.allanwang.kau.adapters.FastItemThemedAdapter
import ca.allanwang.kau.animators.FadeScaleAnimatorAdd
import ca.allanwang.kau.animators.KauAnimator
import ca.allanwang.kau.animators.NoAnimatorChange
import ca.allanwang.kau.iitems.HeaderIItem
import ca.allanwang.kau.utils.AnimHolder
import ca.allanwang.kau.utils.KAU_BOTTOM
import ca.allanwang.kau.utils.colorToForeground
import ca.allanwang.kau.utils.drawable
import ca.allanwang.kau.utils.fullLinearRecycler
import ca.allanwang.kau.utils.postDelayed
import ca.allanwang.kau.utils.string
import ca.allanwang.kau.utils.withMarginDecoration
import ca.allanwang.kau.xml.kauParseFaq
import com.mikepenz.aboutlibraries.Libs
import com.mikepenz.fastadapter.GenericItem
import java.lang.reflect.Field
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
/**
* Created by Allan Wang on 2017-08-02.
*
* The core logic for pages used in [AboutActivityBase]
*/
interface AboutPanelContract {
/**
* Model list to be added to [adapter]
*/
var items: List<GenericItem>
/**
* The adapter, will be late initialized as it depends on configs
*/
var adapter: FastItemThemedAdapter<GenericItem>
/**
* Reference to the recyclerview, will be used to stop scrolling upon exit
*/
var recycler: RecyclerView?
/**
* The base inflation method that will be called for new pages from the page adapter
* Keep in mind that when inflating, do NOT add the view to the viewgroup
* Use layoutInflater.inflate(id, parent, false)
*/
fun inflatePage(activity: AboutActivityBase, parent: ViewGroup, position: Int): View
/**
* Convenience method called during [inflatePage]
* No return value necessary
*/
fun onInflatingPage(activity: AboutActivityBase, recycler: RecyclerView, position: Int)
/**
* Triggers start of item loading
* Typically called with [inflatePage]
*/
fun loadItems(activity: AboutActivityBase, position: Int)
/**
* Called when the [adapter] should take in the items
* This typically happens once the user has scroll to the page,
* so they may see a transition
*
* [AboutActivityBase.pageStatus] should be updated accordingly,
* as triggering this does not necessarily mean that the items are added
*/
fun addItems(activity: AboutActivityBase, position: Int)
}
abstract class AboutPanelRecycler : AboutPanelContract {
override var items: List<GenericItem> = emptyList()
override lateinit var adapter: FastItemThemedAdapter<GenericItem>
override var recycler: RecyclerView? = null
override fun onInflatingPage(
activity: AboutActivityBase,
recycler: RecyclerView,
position: Int
) {
recycler.adapter = adapter
recycler.itemAnimator = KauAnimator(
addAnimator = FadeScaleAnimatorAdd(scaleFactor = 0.7f, itemDelayFactor = 0.2f),
changeAnimator = NoAnimatorChange
).apply {
addDuration = 300; interpolator = AnimHolder.decelerateInterpolator(recycler.context)
}
}
override fun inflatePage(activity: AboutActivityBase, parent: ViewGroup, position: Int): View {
val v = LayoutInflater.from(activity)
.inflate(R.layout.kau_recycler_detached_background, parent, false)
adapter = FastItemThemedAdapter(activity.configs)
recycler = v.findViewById(R.id.kau_recycler_detached)
onInflatingPage(activity, recycler!!, position)
val background = v.findViewById<View>(R.id.kau_recycler_detached_background)
if (activity.configs.backgroundColor != null) background.setBackgroundColor(activity.configs.backgroundColor!!.colorToForeground())
loadItems(activity, position)
return v
}
override fun addItems(activity: AboutActivityBase, position: Int) {
if (items.isEmpty()) {
return
}
activity.pageStatus[position] = 2
postDelayed(300) { addItemsImpl(activity, position) }
}
abstract fun addItemsImpl(activity: AboutActivityBase, position: Int)
}
/**
* Panel delegate for the main page
* The loading is synchronous, so it is done on inflation
* All other loading and adding methods are overridden to do nothing
* There is a [AboutActivityBase.postInflateMainPage] hook that can be overridden
* to update this panel without extending the whole delegate
*/
open class AboutPanelMain : AboutPanelRecycler() {
override fun onInflatingPage(
activity: AboutActivityBase,
recycler: RecyclerView,
position: Int
) {
}
override fun inflatePage(activity: AboutActivityBase, parent: ViewGroup, position: Int): View {
with(activity) {
adapter = FastItemThemedAdapter(configs)
recycler = fullLinearRecycler(adapter)
adapter.add(CutoutIItem {
with(configs) {
text = string(cutoutTextRes, cutoutText)
drawable = drawable(cutoutDrawableRes, cutoutDrawable)
if (configs.cutoutForeground != null) foregroundColor =
configs.cutoutForeground!!
}
}.apply {
themeEnabled = configs.cutoutForeground == null
})
postInflateMainPage(adapter)
return recycler!!
}
}
override fun loadItems(activity: AboutActivityBase, position: Int) {}
override fun addItems(activity: AboutActivityBase, position: Int) {
activity.pageStatus[position] = 2
}
override fun addItemsImpl(activity: AboutActivityBase, position: Int) {}
}
/**
* Panel for loading libraries
* There is a [AboutActivityBase.getLibraries] hook that can be overridden
* to customize the libraries listed
*/
open class AboutPanelLibs : AboutPanelRecycler() {
override fun onInflatingPage(
activity: AboutActivityBase,
recycler: RecyclerView,
position: Int
) {
super.onInflatingPage(activity, recycler, position)
recycler.withMarginDecoration(16, KAU_BOTTOM)
LibraryIItem.bindEvents(adapter)
}
override fun loadItems(activity: AboutActivityBase, position: Int) {
with(activity) {
launch {
items = withContext(Dispatchers.Default) {
getLibraries(
if (rClass == null) Libs(activity)
else Libs(activity, rClass.fields.toStringArray())
).map(::LibraryIItem)
}
if (pageStatus[position] == 1)
addItems(activity, position)
}
}
}
// TODO remove and use from AboutLibrary
// https://github.com/mikepenz/AboutLibraries/issues/449
private fun Array<Field>.toStringArray(): Array<String> =
map { it.name }.filter { it.contains("define_") }.toTypedArray()
override fun addItemsImpl(activity: AboutActivityBase, position: Int) {
with(activity.configs) {
adapter.add(HeaderIItem(text = libPageTitle, textRes = libPageTitleRes))
.add(items)
}
}
}
open class AboutPanelFaqs : AboutPanelRecycler() {
override fun onInflatingPage(
activity: AboutActivityBase,
recycler: RecyclerView,
position: Int
) {
super.onInflatingPage(activity, recycler, position)
FaqIItem.bindEvents(adapter)
}
override fun loadItems(activity: AboutActivityBase, position: Int) {
with(activity) {
launch {
items = withContext(Dispatchers.IO) {
kauParseFaq(
configs.faqXmlRes,
configs.faqParseNewLine
)
}.map(::FaqIItem)
if (pageStatus[position] == 1)
addItems(activity, position)
}
}
}
override fun addItemsImpl(activity: AboutActivityBase, position: Int) {
with(activity.configs) {
adapter.add(HeaderIItem(text = faqPageTitle, textRes = faqPageTitleRes))
.add(items)
}
}
}
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