PixelDroid-App-Android/app/src/main/java/org/pixeldroid/app/posts/StatusViewHolder.kt

933 lines
39 KiB
Kotlin

package org.pixeldroid.app.posts
import android.annotation.SuppressLint
import android.app.Activity
import android.content.Intent
import android.content.pm.PackageManager.PERMISSION_DENIED
import android.graphics.Typeface
import android.graphics.drawable.AnimatedVectorDrawable
import android.graphics.drawable.Drawable
import android.net.Uri
import android.os.Build
import android.os.Looper
import android.text.method.LinkMovementMethod
import android.util.Log
import android.view.LayoutInflater
import android.view.Menu
import android.view.View
import android.view.ViewGroup
import android.widget.*
import androidx.activity.result.ActivityResultLauncher
import androidx.appcompat.app.AppCompatActivity
import androidx.core.content.ContextCompat
import androidx.core.view.WindowCompat
import androidx.core.view.WindowInsetsCompat
import androidx.core.view.WindowInsetsControllerCompat
import androidx.lifecycle.LifecycleCoroutineScope
import androidx.preference.PreferenceManager
import androidx.recyclerview.widget.RecyclerView
import androidx.vectordrawable.graphics.drawable.AnimatedVectorDrawableCompat
import androidx.viewbinding.ViewBinding
import com.bumptech.glide.Glide
import com.bumptech.glide.RequestBuilder
import com.bumptech.glide.load.model.GlideUrl
import com.bumptech.glide.request.target.CustomViewTarget
import com.bumptech.glide.request.transition.Transition
import com.davemorrissey.labs.subscaleview.ImageSource
import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
import com.google.android.material.dialog.MaterialAlertDialogBuilder
import com.google.android.material.snackbar.Snackbar
import kotlinx.coroutines.launch
import okhttp3.*
import okio.BufferedSink
import okio.buffer
import okio.sink
import org.pixeldroid.app.R
import org.pixeldroid.app.databinding.AlbumImageViewBinding
import org.pixeldroid.app.databinding.OpenedAlbumBinding
import org.pixeldroid.app.databinding.PostFragmentBinding
import org.pixeldroid.app.postCreation.PostCreationActivity
import org.pixeldroid.app.posts.MediaViewerActivity.Companion.openActivity
import org.pixeldroid.app.utils.BlurHashDecoder
import org.pixeldroid.app.utils.api.PixelfedAPI
import org.pixeldroid.app.utils.api.objects.Attachment
import org.pixeldroid.app.utils.api.objects.Status
import org.pixeldroid.app.utils.api.objects.Status.Companion.POST_COMMENT_TAG
import org.pixeldroid.app.utils.api.objects.Status.Companion.POST_TAG
import org.pixeldroid.app.utils.api.objects.Status.Companion.VIEW_COMMENTS_TAG
import org.pixeldroid.app.utils.db.AppDatabase
import org.pixeldroid.app.utils.di.PixelfedAPIHolder
import org.pixeldroid.app.utils.setProfileImageFromURL
import retrofit2.HttpException
import java.io.File
import java.io.IOException
import java.util.concurrent.atomic.AtomicInteger
import kotlin.math.roundToInt
/**
* View Holder for a [Status] RecyclerView list item.
*/
class StatusViewHolder(val binding: PostFragmentBinding) : RecyclerView.ViewHolder(binding.root) {
private var status: Status? = null
fun bind(
status: Status?, pixelfedAPI: PixelfedAPIHolder, db: AppDatabase,
lifecycleScope: LifecycleCoroutineScope, displayDimensionsInPx: Pair<Int, Int>,
requestPermissionDownloadPic: ActivityResultLauncher<String>, isActivity: Boolean = false,
) {
this.itemView.visibility = View.VISIBLE
this.status = status
val maxImageRatio: Float = status?.media_attachments?.maxOfOrNull {
if (it.meta?.original?.width == null || it.meta.original.height == null) {
1f
} else {
it.meta.original.width.toFloat() / it.meta.original.height.toFloat()
}
} ?: 1f
val (displayWidth, displayHeight) = displayDimensionsInPx
if (displayWidth / maxImageRatio > displayHeight * 3/4f) {
binding.postPager.layoutParams.width = ((displayHeight * 3 / 4f) * maxImageRatio).roundToInt()
binding.postPager.layoutParams.height = (displayHeight * 3 / 4f).toInt()
} else {
binding.postPager.layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT
binding.postPager.layoutParams.height = (displayWidth / maxImageRatio).toInt()
}
//Setup the post layout
val picRequest = Glide.with(itemView).asDrawable().fitCenter()
val user = db.userDao().getActiveUser()!!
setupPost(picRequest, user.instance_uri, isActivity)
activateButtons(pixelfedAPI, db, lifecycleScope, isActivity, requestPermissionDownloadPic)
}
private fun setupPost(
request: RequestBuilder<Drawable>,
domain: String,
isActivity: Boolean,
) {
//Setup username as a button that opens the profile
binding.username.apply {
text = status?.account?.getDisplayName() ?: ""
setTypeface(null, Typeface.BOLD)
setOnClickListener { status?.account?.openProfile(binding.root.context) }
}
binding.usernameDesc.apply {
text = status?.account?.getDisplayName() ?: ""
setTypeface(null, Typeface.BOLD)
}
binding.nlikes.apply {
text = status?.getNLikes(binding.root.context)
setTypeface(null, Typeface.BOLD)
}
binding.nshares.apply {
text = status?.getNShares(binding.root.context)
setTypeface(null, Typeface.BOLD)
}
//Convert the date to a readable string
setTextViewFromISO8601(
status?.created_at!!,
binding.postDate,
isActivity
)
binding.postDomain.text = status?.getStatusDomain(domain, binding.postDomain.context)
//Setup images
setProfileImageFromURL(
binding.root,
status?.getProfilePicUrl(),
binding.profilePic
)
binding.profilePic.setOnClickListener { status?.account?.openProfile(binding.root.context) }
//Setup post pic only if there are media attachments
if(!status?.media_attachments.isNullOrEmpty()) {
setupPostPics(binding, request)
} else {
binding.postPager.visibility = View.GONE
binding.postIndicator.visibility = View.GONE
}
}
private fun setupPostPics(
binding: PostFragmentBinding,
request: RequestBuilder<Drawable>,
) {
val alwaysShowNsfw =
PreferenceManager.getDefaultSharedPreferences(binding.root.context.applicationContext)
.getBoolean("always_show_nsfw", false)
// Standard layout
binding.postPager.visibility = View.VISIBLE
//Attach the given tabs to the view pager
binding.postPager.adapter = AlbumViewPagerAdapter(status?.media_attachments ?: emptyList(), status?.sensitive, false, alwaysShowNsfw)
if((status?.media_attachments?.size ?: 0) > 1) {
binding.postIndicator.setViewPager(binding.postPager)
binding.postIndicator.visibility = View.VISIBLE
} else {
binding.postIndicator.visibility = View.GONE
}
if (status?.sensitive == true && !alwaysShowNsfw) {
setupSensitiveLayout()
} else {
// GONE is the default, but have to set it again because of how RecyclerViews work
binding.sensitiveWarning.visibility = View.GONE
}
}
private fun setupSensitiveLayout() {
// Set dark layout and warning message
binding.sensitiveWarning.visibility = View.VISIBLE
//binding.postPicture.colorFilter = ColorMatrixColorFilter(censorMatrix)
fun uncensorPicture(binding: PostFragmentBinding) {
binding.sensitiveWarning.visibility = View.GONE
(binding.postPager.adapter as AlbumViewPagerAdapter).uncensor()
}
binding.sensitiveWarning.setOnClickListener {
uncensorPicture(binding)
}
}
private fun setDescription(
apiHolder: PixelfedAPIHolder,
lifecycleScope: LifecycleCoroutineScope,
) {
binding.description.apply {
if (status?.content.isNullOrBlank()) {
visibility = View.GONE
} else {
text = parseHTMLText(
status?.content.orEmpty(),
status?.mentions,
apiHolder,
binding.root.context,
lifecycleScope
)
movementMethod = LinkMovementMethod.getInstance()
}
}
}
//region buttons
private fun activateButtons(
apiHolder: PixelfedAPIHolder,
db: AppDatabase,
lifecycleScope: LifecycleCoroutineScope,
isActivity: Boolean,
requestPermissionDownloadPic: ActivityResultLauncher<String>,
){
//Set the special HTML text
setDescription(apiHolder, lifecycleScope)
//Activate onclickListeners
activateLiker(
apiHolder, status?.favourited ?: false, lifecycleScope
)
activateReblogger(
apiHolder, status?.reblogged ?: false, lifecycleScope
)
if(isActivity){
binding.commenter.visibility = View.INVISIBLE
}
else {
binding.commenter.setOnClickListener {
lifecycleScope.launchWhenCreated {
//Open status in activity
val intent = Intent(it.context, PostActivity::class.java)
intent.putExtra(POST_TAG, status)
intent.putExtra(POST_COMMENT_TAG, true)
it.context.startActivity(intent)
}
}
}
showComments(lifecycleScope, isActivity)
activateMoreButton(apiHolder, db, lifecycleScope, requestPermissionDownloadPic)
}
private fun activateReblogger(
apiHolder: PixelfedAPIHolder,
isReblogged: Boolean,
lifecycleScope: LifecycleCoroutineScope,
) {
binding.reblogger.apply {
//Set initial button state
isChecked = isReblogged
//Activate the button
setEventListener { _, buttonState ->
lifecycleScope.launchWhenCreated {
val api: PixelfedAPI = apiHolder.api ?: apiHolder.setToCurrentUser()
if (buttonState) {
// Button is active
undoReblogPost(api)
} else {
// Button is inactive
reblogPost(api)
}
}
//show animation or not?
true
}
}
}
private suspend fun reblogPost(api: PixelfedAPI) {
//Call the api function
status?.id?.let {
try {
val resp = api.reblogStatus(it)
//Update shown share count
binding.nshares.text = resp.getNShares(binding.root.context)
binding.reblogger.isChecked = resp.reblogged!!
} catch (exception: Exception) {
Log.e("REBLOG ERROR", exception.toString())
binding.reblogger.isChecked = false
}
}
}
private suspend fun undoReblogPost(api: PixelfedAPI) {
//Call the api function
status?.id?.let {
try {
val resp = api.undoReblogStatus(it)
//Update shown share count
binding.nshares.text = resp.getNShares(binding.root.context)
binding.reblogger.isChecked = resp.reblogged!!
} catch (exception: HttpException) {
Log.e("RESPONSE_CODE", exception.code().toString())
binding.reblogger.isChecked = true
} catch (exception: Exception) {
Log.e("REBLOG ERROR", exception.toString())
binding.reblogger.isChecked = true
}
}
}
private suspend fun bookmarkPost(api: PixelfedAPI, db: AppDatabase, menu: Menu, bookmarked: Boolean) : Boolean? {
//Call the api function
status?.id?.let { id ->
try {
if (bookmarked) {
api.bookmarkStatus(id)
} else {
api.undoBookmarkStatus(id)
}
val user = db.userDao().getActiveUser()!!
db.homePostDao().bookmarkStatus(id, user.user_id, user.instance_uri, bookmarked)
db.publicPostDao().bookmarkStatus(id, user.user_id, user.instance_uri, bookmarked)
menu.setGroupVisible(R.id.post_more_menu_group_bookmark, !bookmarked)
menu.setGroupVisible(R.id.post_more_menu_group_unbookmark, bookmarked)
return bookmarked
} catch (exception: HttpException) {
Toast.makeText(
binding.root.context,
binding.root.context.getString(
R.string.bookmark_post_failed_error,
exception.code()
),
Toast.LENGTH_SHORT
).show()
} catch (exception: IOException) {
Toast.makeText(
binding.root.context,
binding.root.context.getString(R.string.bookmark_post_failed_io_except),
Toast.LENGTH_SHORT
).show()
}
}
return null
}
private fun activateMoreButton(
apiHolder: PixelfedAPIHolder,
db: AppDatabase,
lifecycleScope: LifecycleCoroutineScope,
requestPermissionDownloadPic: ActivityResultLauncher<String>,
){
var bookmarked: Boolean? = null
binding.statusMore.setOnClickListener {
PopupMenu(it.context, it).apply {
setOnMenuItemClickListener { item ->
when (item.itemId) {
R.id.post_more_menu_report -> {
val intent = Intent(it.context, ReportActivity::class.java)
intent.putExtra(Status.POST_TAG, status)
ContextCompat.startActivity(it.context, intent, null)
true
}
R.id.post_more_menu_share_link -> {
val share = Intent.createChooser(Intent().apply {
action = Intent.ACTION_SEND
putExtra(Intent.EXTRA_TEXT, status?.uri)
type = "text/plain"
putExtra(Intent.EXTRA_TITLE, status?.content)
}, null)
ContextCompat.startActivity(it.context, share, null)
true
}
R.id.post_more_menu_bookmark -> {
lifecycleScope.launch {
bookmarked = bookmarkPost(apiHolder.api ?: apiHolder.setToCurrentUser(), db, menu, true)
}
true
}
R.id.post_more_menu_unbookmark -> {
lifecycleScope.launch {
bookmarked = bookmarkPost(apiHolder.api ?: apiHolder.setToCurrentUser(), db, menu, false)
}
true
}
R.id.post_more_menu_save_to_gallery -> {
// Check permissions on old Android versions: on new versions it is not
// needed when storing a file.
if(Build.VERSION.SDK_INT < Build.VERSION_CODES.Q && ContextCompat.checkSelfPermission(binding.root.context, android.Manifest.permission.WRITE_EXTERNAL_STORAGE) == PERMISSION_DENIED) {
requestPermissionDownloadPic.launch(android.Manifest.permission.WRITE_EXTERNAL_STORAGE)
} else {
status?.downloadImage(
binding.root.context,
status?.media_attachments?.getOrNull(binding.postPager.currentItem)?.url
?: "",
binding.root
)
}
true
}
R.id.post_more_menu_share_picture -> {
status?.downloadImage(
binding.root.context,
status?.media_attachments?.getOrNull(binding.postPager.currentItem)?.url
?: "",
binding.root,
share = true,
)
true
}
R.id.post_more_menu_delete -> {
MaterialAlertDialogBuilder(binding.root.context)
.setMessage(R.string.delete_dialog)
.setPositiveButton(android.R.string.ok) { _, _ ->
lifecycleScope.launch {
deletePost(apiHolder.api ?: apiHolder.setToCurrentUser(), db)
}
}
.setNegativeButton(android.R.string.cancel) { _, _ -> }
.show()
true
}
R.id.post_more_menu_redraft -> launchRedraftDialog(lifecycleScope, apiHolder, db)
else -> false
}
}
inflate(R.menu.post_more_menu)
if(bookmarked == true || status?.bookmarked == true) {
menu.setGroupVisible(R.id.post_more_menu_group_bookmark, false)
} else if(bookmarked == false || status?.bookmarked != true) {
menu.setGroupVisible(R.id.post_more_menu_group_unbookmark, false)
}
if(status?.media_attachments.isNullOrEmpty()) {
//make sure to disable image-related things if there aren't any
menu.setGroupVisible(R.id.post_more_group_picture, false)
}
if(status?.account?.id == db.userDao().getActiveUser()!!.user_id){
// Enable deleting post if it's the user's
menu.setGroupVisible(R.id.post_more_menu_group_delete, true)
// And disable reporting your own post (just delete it if you don't like it :P)
menu.setGroupVisible(R.id.post_more_menu_group_report, false)
}
show()
}
}
}
private fun launchRedraftDialog(
lifecycleScope: LifecycleCoroutineScope,
apiHolder: PixelfedAPIHolder,
db: AppDatabase
): Boolean {
MaterialAlertDialogBuilder(binding.root.context).apply {
setMessage(R.string.redraft_dialog_launch)
setPositiveButton(android.R.string.ok) { _, _ ->
lifecycleScope.launch {
try {
// Get descriptions and images from original post
val postDescription = status?.content ?: ""
val postAttachments =
status?.media_attachments!! // TODO Catch possible exception from !! (?)
val postNSFW = status?.sensitive
val imageUriStrings = postAttachments.map { postAttachment ->
postAttachment.url ?: ""
}
val imageNames = imageUriStrings.map { imageUriString ->
Uri.parse(imageUriString).lastPathSegment.toString()
}
val downloadedFiles = imageNames.map { imageName ->
File(context.cacheDir, imageName)
}
val imageDescriptions = postAttachments.map { postAttachment ->
fromHtml(
postAttachment.description ?: ""
).toString()
}
val downloadRequests: List<Request> =
imageUriStrings.map { imageUriString ->
Request.Builder().url(imageUriString).build()
}
val imageUris = downloadedFiles.map { downloadedFile ->
Uri.fromFile(downloadedFile)
}
val counter = AtomicInteger(0)
// Define callback function for after downloading the images
fun continuation() {
// Wait for all outstanding downloads to finish
if (counter.incrementAndGet() == imageUris.size) {
if (allFilesExist(imageNames)) {
// Delete original post
lifecycleScope.launch {
deletePost(
apiHolder.api ?: apiHolder.setToCurrentUser(), db
)
}
val counterInt = counter.get()
Toast.makeText(
binding.root.context,
binding.root.context.resources.getQuantityString(
R.plurals.items_load_success, counterInt, counterInt
),
Toast.LENGTH_SHORT
).show()
// Create new post creation activity
//TODO use this instead of clipdata (everywhere)
val intent = Intent(Intent.ACTION_SEND_MULTIPLE).apply {
// Pass downloaded images to new post creation activity
putParcelableArrayListExtra(
Intent.EXTRA_STREAM, ArrayList(imageUris)
)
setClass(context, PostCreationActivity::class.java)
addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
addFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT)
putExtra(
PostCreationActivity.PICTURE_DESCRIPTIONS,
ArrayList(imageDescriptions)
)
// Pass post description of existing post to new post creation activity
putExtra(
PostCreationActivity.POST_DESCRIPTION,
fromHtml(postDescription).toString()
)
if (imageNames.isNotEmpty()) {
putExtra(
PostCreationActivity.TEMP_FILES,
imageNames.toTypedArray()
)
}
putExtra(PostCreationActivity.POST_REDRAFT, true)
putExtra(PostCreationActivity.POST_NSFW, postNSFW)
}
// Launch post creation activity
binding.root.context.startActivity(intent)
}
}
}
if (!allFilesExist(imageNames)) {
// Track download progress
Toast.makeText(
binding.root.context,
binding.root.context.getString(R.string.image_download_downloading),
Toast.LENGTH_SHORT
).show()
}
// Iterate through all pictures of the original post
downloadRequests.zip(downloadedFiles)
.forEach { (downloadRequest, downloadedFile) ->
// Check whether image is in cache directory already (maybe rather do so using Glide in the future?)
if (!downloadedFile.exists()) {
OkHttpClient().newCall(downloadRequest)
.enqueue(object : Callback {
override fun onFailure(
call: Call,
e: IOException,
) {
Looper.prepare()
downloadedFile.delete()
Toast.makeText(
binding.root.context,
binding.root.context.getString(
R.string.redraft_post_failed_io_except
),
Toast.LENGTH_SHORT
).show()
}
@Throws(IOException::class)
override fun onResponse(
call: Call,
response: Response,
) {
val sink: BufferedSink =
downloadedFile.sink().buffer()
sink.writeAll(response.body!!.source())
sink.close()
Looper.prepare()
continuation()
}
})
} else {
continuation()
}
}
} catch (exception: HttpException) {
Toast.makeText(
binding.root.context, binding.root.context.getString(
R.string.redraft_post_failed_error, exception.code()
), Toast.LENGTH_SHORT
).show()
} catch (exception: IOException) {
Toast.makeText(
binding.root.context,
binding.root.context.getString(R.string.redraft_post_failed_io_except),
Toast.LENGTH_SHORT
).show()
}
}
}
setNegativeButton(android.R.string.cancel) { _, _ -> }
show()
}
return true
}
private fun activateLiker(
apiHolder: PixelfedAPIHolder,
isLiked: Boolean,
lifecycleScope: LifecycleCoroutineScope,
) {
binding.liker.apply {
//Set initial state
isChecked = isLiked
//Activate the liker
setEventListener { _, buttonState ->
lifecycleScope.launchWhenCreated {
val api: PixelfedAPI = apiHolder.api ?: apiHolder.setToCurrentUser()
if (buttonState) {
// Button is active, unlike
unLikePostCall(api)
} else {
// Button is inactive, like
likePostCall(api)
}
}
//show animation or not?
true
}
}
//Activate tap interactions (double and single)
binding.postPagerHost.doubleTapCallback = {
lifecycleScope.launchWhenCreated {
//Check that the post isn't hidden
if (binding.sensitiveWarning.visibility == View.GONE) {
val api: PixelfedAPI = apiHolder.api ?: apiHolder.setToCurrentUser()
if (binding.liker.isChecked) {
// Button is active, unlike
binding.liker.isChecked = false
unLikePostCall(api)
} else {
// Button is inactive, like
binding.liker.playAnimation()
binding.liker.isChecked = true
binding.likeAnimation.animateView()
likePostCall(api)
}
}
}
}
status?.media_attachments?.let { binding.postPagerHost.images = ArrayList(it) }
}
private fun ImageView.animateView() {
visibility = View.VISIBLE
when (val drawable = drawable) {
is AnimatedVectorDrawableCompat -> {
drawable.start()
}
is AnimatedVectorDrawable -> {
drawable.start()
}
}
}
private suspend fun likePostCall(api: PixelfedAPI) {
//Call the api function
status?.id?.let {
try {
val resp = api.likePost(it)
//Update shown like count and internal like toggle
binding.nlikes.text = resp.getNLikes(binding.root.context)
binding.liker.isChecked = resp.favourited ?: false
} catch (exception: HttpException) {
Log.e("RESPONSE_CODE", exception.code().toString())
binding.liker.isChecked = false
} catch (exception: Exception) {
Log.e("LIKE ERROR", exception.toString())
binding.liker.isChecked = false
}
}
}
private suspend fun unLikePostCall(api: PixelfedAPI) {
//Call the api function
status?.id?.let {
try {
val resp = api.unlikePost(it)
//Update shown like count and internal like toggle
binding.nlikes.text = resp.getNLikes(binding.root.context)
binding.liker.isChecked = resp.favourited ?: false
} catch (exception: HttpException) {
Log.e("RESPONSE_CODE", exception.code().toString())
binding.liker.isChecked = true
} catch (exception: Exception) {
Log.e("UNLIKE ERROR", exception.toString())
binding.liker.isChecked = true
}
}
}
//endregion
private fun showComments(
lifecycleScope: LifecycleCoroutineScope,
isActivity: Boolean,
) {
//Show number of comments on the post
if (status?.replies_count == 0) {
binding.viewComments.text = binding.root.context.getString(R.string.NoCommentsToShow)
} else {
binding.viewComments.apply {
text = resources.getQuantityString(R.plurals.number_comments,
status?.replies_count ?: 0,
status?.replies_count ?: 0
)
if(!isActivity) {
setOnClickListener {
lifecycleScope.launchWhenCreated {
//Open status in activity
val intent = Intent(context, PostActivity::class.java)
intent.putExtra(POST_TAG, status)
intent.putExtra(VIEW_COMMENTS_TAG, true)
context.startActivity(intent)
}
}
}
}
}
}
private suspend fun deletePost(api: PixelfedAPI, db: AppDatabase) {
val user = db.userDao().getActiveUser()!!
status?.id?.let { id ->
db.homePostDao().delete(id, user.user_id, user.instance_uri)
db.publicPostDao().delete(id, user.user_id, user.instance_uri)
try {
api.deleteStatus(id)
binding.root.visibility = View.GONE
} catch (exception: HttpException) {
Toast.makeText(
binding.root.context,
binding.root.context.getString(R.string.delete_post_failed_error, exception.code()),
Toast.LENGTH_SHORT
).show()
} catch (exception: IOException) {
Toast.makeText(
binding.root.context,
binding.root.context.getString(R.string.delete_post_failed_io_except),
Toast.LENGTH_SHORT
).show()
}
}
}
private fun allFilesExist(listOfNames: List<String>): Boolean {
return listOfNames.all {
File(binding.root.context.cacheDir, it).exists()
}
}
companion object {
fun create(parent: ViewGroup): StatusViewHolder {
val itemBinding = PostFragmentBinding.inflate(
LayoutInflater.from(parent.context), parent, false
)
return StatusViewHolder(itemBinding)
}
}
}
class AlbumViewPagerAdapter(
private val media_attachments: List<Attachment>, private var sensitive: Boolean?,
private val opened: Boolean, private val alwaysShowNsfw: Boolean,
) :
RecyclerView.Adapter<AlbumViewPagerAdapter.ViewHolder>() {
private var isActionBarHidden: Boolean = false
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
return if(!opened) ViewHolderClosed(AlbumImageViewBinding.inflate(
LayoutInflater.from(parent.context), parent, false
)) else ViewHolderOpen(OpenedAlbumBinding.inflate(
LayoutInflater.from(parent.context), parent, false
))
}
override fun getItemCount() = media_attachments.size
override fun onBindViewHolder(holder: ViewHolder, position: Int) {
media_attachments[position].apply {
val video = type == Attachment.AttachmentType.video
val blurhashBitMap = blurhash?.let {
BlurHashDecoder.blurHashBitmap(
holder.binding.root.resources,
it,
meta?.original?.width,
meta?.original?.height
)
}
if (sensitive == false || alwaysShowNsfw) {
val imageUrl = if(video) preview_url else url
if(opened){
Glide.with(holder.binding.root)
.download(GlideUrl(imageUrl))
.into(object : CustomViewTarget<SubsamplingScaleImageView, File>((holder.image as SubsamplingScaleImageView)) {
override fun onResourceReady(resource: File, t: Transition<in File>?) =
view.setImage(ImageSource.uri(Uri.fromFile(resource)))
override fun onLoadFailed(errorDrawable: Drawable?) {}
override fun onResourceCleared(placeholder: Drawable?) {}
})
(holder.image as SubsamplingScaleImageView).apply {
setMinimumDpi(80)
setDoubleTapZoomDpi(240)
resetScaleAndCenter()
}
holder.image.setOnClickListener {
val windowInsetsController = WindowCompat.getInsetsController((it.context as Activity).window, it)
// Configure the behavior of the hidden system bars
if (isActionBarHidden) {
windowInsetsController.systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
// Hide both the status bar and the navigation bar
(it.context as AppCompatActivity).supportActionBar?.show()
windowInsetsController.show(WindowInsetsCompat.Type.systemBars())
isActionBarHidden = false
} else {
// Configure the behavior of the hidden system bars
windowInsetsController.systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
// Hide both the status bar and the navigation bar
(it.context as AppCompatActivity).supportActionBar?.hide()
windowInsetsController.hide(WindowInsetsCompat.Type.systemBars())
isActionBarHidden = true
}
}
}
else Glide.with(holder.binding.root)
.asDrawable().fitCenter()
.placeholder(blurhashBitMap)
.load(imageUrl).into(holder.image as ImageView)
} else if(!opened){
Glide.with(holder.binding.root)
.asDrawable().fitCenter()
.load(blurhashBitMap).into(holder.image as ImageView)
}
holder.videoPlayButton.visibility = if(video) View.VISIBLE else View.GONE
if(video && (opened || media_attachments.size == 1)){
holder.videoPlayButton.setOnClickListener {
openActivity(holder.binding.root.context, url, description)
}
holder.image.setOnClickListener {
openActivity(holder.binding.root.context, url, description)
}
}
val description = description
.orEmpty()
.ifEmpty { holder.binding.root.context.getString(R.string.no_description) }
holder.image.setOnLongClickListener {
Snackbar.make(it, description, Snackbar.LENGTH_SHORT).show()
true
}
holder.image.contentDescription = description
}
}
@SuppressLint("NotifyDataSetChanged")
fun uncensor(){
sensitive = false
notifyDataSetChanged()
}
abstract class ViewHolder(open val binding: ViewBinding) : RecyclerView.ViewHolder(binding.root){
abstract val image: View
abstract val videoPlayButton: ImageView
}
class ViewHolderOpen(override val binding: OpenedAlbumBinding) : ViewHolder(binding) {
override val image: SubsamplingScaleImageView = binding.imageImageView
override val videoPlayButton: ImageView = binding.videoPlayButton
}
class ViewHolderClosed(override val binding: AlbumImageViewBinding) : ViewHolder(binding) {
override val image: ImageView = binding.imageImageView
override val videoPlayButton: ImageView = binding.videoPlayButton
}
}