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583 lines
24 KiB
583 lines
24 KiB
/* Copyright 2019 Tusky Contributors
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.components.compose
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import android.net.Uri
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import android.util.Log
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import androidx.core.net.toUri
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import androidx.lifecycle.LiveData
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import androidx.lifecycle.MutableLiveData
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import androidx.lifecycle.Observer
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import com.keylesspalace.tusky.adapter.ComposeAutoCompleteAdapter
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import com.keylesspalace.tusky.components.compose.ComposeActivity.QueuedMedia
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import com.keylesspalace.tusky.components.search.SearchType
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import com.keylesspalace.tusky.db.AccountManager
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import com.keylesspalace.tusky.db.AppDatabase
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import com.keylesspalace.tusky.db.InstanceEntity
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import com.keylesspalace.tusky.entity.*
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import com.keylesspalace.tusky.entity.Status
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import com.keylesspalace.tusky.network.MastodonApi
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import com.keylesspalace.tusky.service.ServiceClient
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import com.keylesspalace.tusky.service.TootToSend
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import com.keylesspalace.tusky.util.*
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import io.reactivex.Single
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import io.reactivex.disposables.Disposable
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import io.reactivex.rxkotlin.Singles
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import io.reactivex.schedulers.Schedulers
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import retrofit2.Response
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import java.util.*
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import javax.inject.Inject
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/**
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* Throw when trying to add an image when video is already present or the other way around
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*/
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class VideoOrImageException : Exception()
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class ComposeViewModel
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@Inject constructor(
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private val api: MastodonApi,
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private val accountManager: AccountManager,
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private val mediaUploader: MediaUploader,
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private val serviceClient: ServiceClient,
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private val saveTootHelper: SaveTootHelper,
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private val db: AppDatabase
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) : RxAwareViewModel() {
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private var replyingStatusAuthor: String? = null
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private var replyingStatusContent: String? = null
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internal var startingText: String? = null
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private var savedTootUid: Int = 0
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private var startingContentWarning: String = ""
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private var inReplyToId: String? = null
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private var startingVisibility: Status.Visibility = Status.Visibility.UNKNOWN
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private var contentWarningStateChanged: Boolean = false
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private val instance: MutableLiveData<InstanceEntity?> = MutableLiveData(null)
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private val nodeinfo: MutableLiveData<NodeInfo?> = MutableLiveData(null)
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private val stickers: MutableLiveData<Array<StickerPack>> = MutableLiveData(emptyArray())
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public val haveStickers: MutableLiveData<Boolean> = MutableLiveData(false)
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public var tryFetchStickers = false
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public var formattingSyntax: String = ""
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public var hasNoAttachmentLimits = false
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val instanceParams: LiveData<ComposeInstanceParams> = instance.map { instance ->
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ComposeInstanceParams(
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maxChars = instance?.maximumTootCharacters ?: DEFAULT_CHARACTER_LIMIT,
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pollMaxOptions = instance?.maxPollOptions ?: DEFAULT_MAX_OPTION_COUNT,
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pollMaxLength = instance?.maxPollOptionLength ?: DEFAULT_MAX_OPTION_LENGTH,
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supportsScheduled = instance?.version?.let { VersionUtils(it).supportsScheduledToots() } ?: false
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)
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}
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val instanceMetadata: LiveData<ComposeInstanceMetadata> = nodeinfo.map { nodeinfo ->
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val software = nodeinfo?.software?.name ?: "mastodon"
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if(software.equals("pleroma")) {
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hasNoAttachmentLimits = true
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ComposeInstanceMetadata(
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software = "pleroma",
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supportsMarkdown = nodeinfo?.metadata?.postFormats?.contains("text/markdown") ?: false,
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supportsBBcode = nodeinfo?.metadata?.postFormats?.contains("text/bbcode") ?: false,
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supportsHTML = nodeinfo?.metadata?.postFormats?.contains("text/html") ?: false,
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videoLimit = nodeinfo?.metadata?.uploadLimits?.general ?: STATUS_VIDEO_SIZE_LIMIT,
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imageLimit = nodeinfo?.metadata?.uploadLimits?.general ?: STATUS_IMAGE_SIZE_LIMIT
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)
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} else if(software.equals("pixelfed")) {
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ComposeInstanceMetadata(
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software = "pixelfed",
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supportsMarkdown = false,
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supportsBBcode = false,
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supportsHTML = false,
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videoLimit = nodeinfo?.metadata?.config?.uploader?.maxPhotoSize?.let { it * 1024 } ?: STATUS_VIDEO_SIZE_LIMIT,
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imageLimit = nodeinfo?.metadata?.config?.uploader?.maxPhotoSize?.let { it * 1024 } ?: STATUS_IMAGE_SIZE_LIMIT
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)
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} else {
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ComposeInstanceMetadata(
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software = "mastodon",
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supportsMarkdown = nodeinfo?.software?.version?.contains("+glitch") ?: false,
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supportsBBcode = false,
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supportsHTML = nodeinfo?.software?.version?.contains("+glitch") ?: false,
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videoLimit = STATUS_VIDEO_SIZE_LIMIT,
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imageLimit = STATUS_IMAGE_SIZE_LIMIT
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)
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}
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}
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val instanceStickers: LiveData<Array<StickerPack>> = stickers // .map { stickers -> HashMap<String,String>(stickers) }
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val emoji: MutableLiveData<List<Emoji>?> = MutableLiveData()
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val markMediaAsSensitive =
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mutableLiveData(accountManager.activeAccount?.defaultMediaSensitivity ?: false)
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fun toggleMarkSensitive() {
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this.markMediaAsSensitive.value = !this.markMediaAsSensitive.value!!
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}
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val statusVisibility = mutableLiveData(Status.Visibility.UNKNOWN)
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val showContentWarning = mutableLiveData(false)
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val setupComplete = mutableLiveData(false)
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val poll: MutableLiveData<NewPoll?> = mutableLiveData(null)
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val scheduledAt: MutableLiveData<String?> = mutableLiveData(null)
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val media = mutableLiveData<List<QueuedMedia>>(listOf())
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val uploadError = MutableLiveData<Throwable>()
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private val mediaToDisposable = mutableMapOf<Long, Disposable>()
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init {
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Singles.zip(api.getCustomEmojis(), api.getInstance()) { emojis, instance ->
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InstanceEntity(
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instance = accountManager.activeAccount?.domain!!,
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emojiList = emojis,
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maximumTootCharacters = instance.maxTootChars,
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maxPollOptions = instance.pollLimits?.maxOptions,
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maxPollOptionLength = instance.pollLimits?.maxOptionChars,
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version = instance.version
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)
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}
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.doOnSuccess {
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db.instanceDao().insertOrReplace(it)
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}
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.onErrorResumeNext(
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db.instanceDao().loadMetadataForInstance(accountManager.activeAccount?.domain!!)
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)
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.subscribe ({ instanceEntity ->
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emoji.postValue(instanceEntity.emojiList)
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instance.postValue(instanceEntity)
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}, { throwable ->
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// this can happen on network error when no cached data is available
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Log.w(TAG, "error loading instance data", throwable)
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})
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.autoDispose()
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api.getNodeinfoLinks().subscribe({
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links -> if(links.links.isNotEmpty()) {
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api.getNodeinfo(links.links[0].href).subscribe({
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ni -> nodeinfo.postValue(ni)
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}, {
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err -> Log.d(TAG, "Failed to get nodeinfo", err)
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}).autoDispose()
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}
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}, { err ->
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Log.d(TAG, "Failed to get nodeinfo links", err)
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}).autoDispose()
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}
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fun pickMedia(uri: Uri, filename: String?): LiveData<Either<Throwable, QueuedMedia>> {
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// We are not calling .toLiveData() here because we don't want to stop the process when
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// the Activity goes away temporarily (like on screen rotation).
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val liveData = MutableLiveData<Either<Throwable, QueuedMedia>>()
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val imageLimit = instanceMetadata.value?.videoLimit ?: STATUS_VIDEO_SIZE_LIMIT
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val videoLimit = instanceMetadata.value?.imageLimit ?: STATUS_IMAGE_SIZE_LIMIT
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mediaUploader.prepareMedia(uri, videoLimit, imageLimit, filename)
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.map { (type, uri, size) ->
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val mediaItems = media.value!!
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if (!hasNoAttachmentLimits
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&& type != QueuedMedia.Type.IMAGE
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&& mediaItems.isNotEmpty()
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&& mediaItems[0].type == QueuedMedia.Type.IMAGE) {
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throw VideoOrImageException()
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} else {
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addMediaToQueue(type, uri, size, filename ?: "unknown")
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}
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}
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.subscribe({ queuedMedia ->
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liveData.postValue(Either.Right(queuedMedia))
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}, { error ->
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liveData.postValue(Either.Left(error))
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})
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.autoDispose()
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return liveData
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}
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private fun addMediaToQueue(type: Int, uri: Uri, mediaSize: Long, filename: String): QueuedMedia {
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val mediaItem = QueuedMedia(System.currentTimeMillis(), uri, type, mediaSize, filename,
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hasNoAttachmentLimits)
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val imageLimit = instanceMetadata.value?.videoLimit ?: STATUS_VIDEO_SIZE_LIMIT
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val videoLimit = instanceMetadata.value?.imageLimit ?: STATUS_IMAGE_SIZE_LIMIT
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media.value = media.value!! + mediaItem
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mediaToDisposable[mediaItem.localId] = mediaUploader
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.uploadMedia(mediaItem, videoLimit, imageLimit )
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.subscribe ({ event ->
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val item = media.value?.find { it.localId == mediaItem.localId }
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?: return@subscribe
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val newMediaItem = when (event) {
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is UploadEvent.ProgressEvent ->
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item.copy(uploadPercent = event.percentage)
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is UploadEvent.FinishedEvent ->
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item.copy(id = event.attachment.id, uploadPercent = -1)
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}
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synchronized(media) {
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val mediaValue = media.value!!
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val index = mediaValue.indexOfFirst { it.localId == newMediaItem.localId }
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media.postValue(if (index == -1) {
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mediaValue + newMediaItem
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} else {
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mediaValue.toMutableList().also { it[index] = newMediaItem }
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})
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}
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}, { error ->
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media.postValue(media.value?.filter { it.localId != mediaItem.localId } ?: emptyList())
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uploadError.postValue(error)
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})
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return mediaItem
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}
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private fun addUploadedMedia(id: String, type: Int, uri: Uri, description: String?) {
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val mediaItem = QueuedMedia(System.currentTimeMillis(), uri, type, 0, "unknown",
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hasNoAttachmentLimits, -1, id, description)
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media.value = media.value!! + mediaItem
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}
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fun removeMediaFromQueue(item: QueuedMedia) {
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mediaToDisposable[item.localId]?.dispose()
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media.value = media.value!!.withoutFirstWhich { it.localId == item.localId }
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}
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fun didChange(content: String?, contentWarning: String?): Boolean {
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val textChanged = !(content.isNullOrEmpty()
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|| startingText?.startsWith(content.toString()) ?: false)
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val contentWarningChanged = showContentWarning.value!!
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&& !contentWarning.isNullOrEmpty()
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&& !startingContentWarning.startsWith(contentWarning.toString())
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val mediaChanged = !media.value.isNullOrEmpty()
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val pollChanged = poll.value != null
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return textChanged || contentWarningChanged || mediaChanged || pollChanged
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}
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fun contentWarningChanged(value: Boolean) {
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showContentWarning.value = value
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contentWarningStateChanged = true
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}
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fun deleteDraft() {
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saveTootHelper.deleteDraft(this.savedTootUid)
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}
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fun saveDraft(content: String, contentWarning: String) {
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val mediaUris = mutableListOf<String>()
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val mediaDescriptions = mutableListOf<String?>()
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for (item in media.value!!) {
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mediaUris.add(item.uri.toString())
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mediaDescriptions.add(item.description)
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}
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saveTootHelper.saveToot(
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content,
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contentWarning,
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null,
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mediaUris,
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mediaDescriptions,
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savedTootUid,
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inReplyToId,
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replyingStatusContent,
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replyingStatusAuthor,
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statusVisibility.value!!,
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poll.value,
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formattingSyntax
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)
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}
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/**
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* Send status to the server.
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* Uses current state plus provided arguments.
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* @return LiveData which will signal once the screen can be closed or null if there are errors
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*/
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fun sendStatus(
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content: String,
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spoilerText: String,
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preview: Boolean
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): LiveData<Unit> {
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return media
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.filter { items -> items.all { it.uploadPercent == -1 } }
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.map {
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val mediaIds = ArrayList<String>()
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val mediaUris = ArrayList<Uri>()
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val mediaDescriptions = ArrayList<String>()
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for (item in media.value!!) {
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mediaIds.add(item.id!!)
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mediaUris.add(item.uri)
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mediaDescriptions.add(item.description ?: "")
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}
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val tootToSend = TootToSend(
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content,
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spoilerText,
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statusVisibility.value!!.serverString(),
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mediaUris.isNotEmpty() && (markMediaAsSensitive.value!! || showContentWarning.value!!),
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mediaIds,
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mediaUris.map { it.toString() },
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mediaDescriptions,
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scheduledAt = scheduledAt.value,
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inReplyToId = inReplyToId,
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poll = poll.value,
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replyingStatusContent = null,
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replyingStatusAuthorUsername = null,
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formattingSyntax = formattingSyntax,
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preview = preview,
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savedJsonUrls = null,
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accountId = accountManager.activeAccount!!.id,
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savedTootUid = 0,
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idempotencyKey = randomAlphanumericString(16),
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retries = 0
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)
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serviceClient.sendToot(tootToSend)
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}
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}
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fun updateDescription(localId: Long, description: String): LiveData<Boolean> {
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val newList = media.value!!.toMutableList()
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val index = newList.indexOfFirst { it.localId == localId }
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if (index != -1) {
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newList[index] = newList[index].copy(description = description)
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}
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media.value = newList
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val completedCaptioningLiveData = MutableLiveData<Boolean>()
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media.observeForever(object : Observer<List<QueuedMedia>> {
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override fun onChanged(mediaItems: List<QueuedMedia>) {
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val updatedItem = mediaItems.find { it.localId == localId }
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if (updatedItem == null) {
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media.removeObserver(this)
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} else if (updatedItem.id != null) {
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api.updateMedia(updatedItem.id, description)
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.subscribe({
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completedCaptioningLiveData.postValue(true)
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}, {
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completedCaptioningLiveData.postValue(false)
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})
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.autoDispose()
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media.removeObserver(this)
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}
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}
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})
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return completedCaptioningLiveData
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}
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fun searchAutocompleteSuggestions(token: String): List<ComposeAutoCompleteAdapter.AutocompleteResult> {
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when (token[0]) {
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'@' -> {
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return try {
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api.searchAccounts(query = token.substring(1), limit = 10)
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.blockingGet()
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.map { ComposeAutoCompleteAdapter.AccountResult(it) }
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} catch (e: Throwable) {
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Log.e(TAG, String.format("Autocomplete search for %s failed.", token), e)
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emptyList()
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}
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}
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'#' -> {
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return try {
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api.searchObservable(query = token, type = SearchType.Hashtag.apiParameter, limit = 10)
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.blockingGet()
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.hashtags
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.map { ComposeAutoCompleteAdapter.HashtagResult(it) }
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} catch (e: Throwable) {
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Log.e(TAG, String.format("Autocomplete search for %s failed.", token), e)
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emptyList()
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}
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}
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':' -> {
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val emojiList = emoji.value ?: return emptyList()
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val incomplete = token.substring(1).toLowerCase(Locale.ROOT)
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val results = ArrayList<ComposeAutoCompleteAdapter.AutocompleteResult>()
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val resultsInside = ArrayList<ComposeAutoCompleteAdapter.AutocompleteResult>()
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for (emoji in emojiList) {
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val shortcode = emoji.shortcode.toLowerCase(Locale.ROOT)
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if (shortcode.startsWith(incomplete)) {
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results.add(ComposeAutoCompleteAdapter.EmojiResult(emoji))
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} else if (shortcode.indexOf(incomplete, 1) != -1) {
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resultsInside.add(ComposeAutoCompleteAdapter.EmojiResult(emoji))
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}
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}
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if (results.isNotEmpty() && resultsInside.isNotEmpty()) {
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results.add(ComposeAutoCompleteAdapter.ResultSeparator())
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}
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results.addAll(resultsInside)
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return results
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}
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else -> {
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Log.w(TAG, "Unexpected autocompletion token: $token")
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return emptyList()
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}
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}
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}
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override fun onCleared() {
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for (uploadDisposable in mediaToDisposable.values) {
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uploadDisposable.dispose()
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}
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super.onCleared()
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}
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private fun getStickers() {
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if(!tryFetchStickers)
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return
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api.getStickers().subscribe({ stickers ->
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if (stickers.isNotEmpty()) {
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haveStickers.postValue(true)
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val singles = mutableListOf<Single<Response<StickerPack>>>()
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for(entry in stickers) {
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val url = entry.value.removePrefix("/").removeSuffix("/") + "/pack.json";
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singles += api.getStickerPack(url)
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}
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Single.zip(singles) {
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it.map {
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it as Response<StickerPack>
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it.body()!!.internal_url = it.raw().request.url.toString().removeSuffix("pack.json")
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it.body()!!
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}
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}.onErrorReturn {
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Log.d(TAG, "Failed to get sticker pack.json", it)
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emptyList()
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}.subscribe() { pack ->
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if(pack.isNotEmpty()) {
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val array = pack.toTypedArray()
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array.sort()
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this.stickers.postValue(array)
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}
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}.autoDispose()
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}
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}, {
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err -> Log.d(TAG, "Failed to get sticker.json", err)
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}).autoDispose()
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}
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fun setup(composeOptions: ComposeActivity.ComposeOptions?) {
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getStickers() // early as possible
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val preferredVisibility = accountManager.activeAccount!!.defaultPostPrivacy
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val replyVisibility = composeOptions?.replyVisibility ?: Status.Visibility.UNKNOWN
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startingVisibility = Status.Visibility.byNum(
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preferredVisibility.num.coerceAtLeast(replyVisibility.num))
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inReplyToId = composeOptions?.inReplyToId
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val contentWarning = composeOptions?.contentWarning
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if (contentWarning != null) {
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startingContentWarning = contentWarning
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}
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if (!contentWarningStateChanged) {
|
|
showContentWarning.value = !contentWarning.isNullOrBlank()
|
|
}
|
|
|
|
// recreate media list
|
|
// when coming from SavedTootActivity
|
|
val loadedDraftMediaUris = composeOptions?.mediaUrls
|
|
val loadedDraftMediaDescriptions: List<String?>? = composeOptions?.mediaDescriptions
|
|
if (loadedDraftMediaUris != null && loadedDraftMediaDescriptions != null) {
|
|
loadedDraftMediaUris.zip(loadedDraftMediaDescriptions)
|
|
.forEach { (uri, description) ->
|
|
pickMedia(uri.toUri(), null).observeForever { errorOrItem ->
|
|
if (errorOrItem.isRight() && description != null) {
|
|
updateDescription(errorOrItem.asRight().localId, description)
|
|
}
|
|
}
|
|
}
|
|
} else composeOptions?.mediaAttachments?.forEach { a ->
|
|
// when coming from redraft
|
|
val mediaType = when (a.type) {
|
|
Attachment.Type.VIDEO, Attachment.Type.GIFV -> QueuedMedia.Type.VIDEO
|
|
Attachment.Type.UNKNOWN, Attachment.Type.IMAGE -> QueuedMedia.Type.IMAGE
|
|
Attachment.Type.AUDIO -> QueuedMedia.Type.AUDIO
|
|
}
|
|
addUploadedMedia(a.id, mediaType, a.url.toUri(), a.description)
|
|
}
|
|
|
|
|
|
savedTootUid = composeOptions?.savedTootUid ?: 0
|
|
startingText = composeOptions?.tootText
|
|
|
|
|
|
val tootVisibility = composeOptions?.visibility ?: Status.Visibility.UNKNOWN
|
|
if (tootVisibility.num != Status.Visibility.UNKNOWN.num) {
|
|
startingVisibility = tootVisibility
|
|
}
|
|
statusVisibility.value = startingVisibility
|
|
val mentionedUsernames = composeOptions?.mentionedUsernames
|
|
if (mentionedUsernames != null) {
|
|
val builder = StringBuilder()
|
|
for (name in mentionedUsernames) {
|
|
builder.append('@')
|
|
builder.append(name)
|
|
builder.append(' ')
|
|
}
|
|
startingText = builder.toString()
|
|
}
|
|
|
|
|
|
scheduledAt.value = composeOptions?.scheduledAt
|
|
|
|
composeOptions?.sensitive?.let { markMediaAsSensitive.value = it }
|
|
|
|
val poll = composeOptions?.poll
|
|
if (poll != null && composeOptions.mediaAttachments.isNullOrEmpty()) {
|
|
this.poll.value = poll
|
|
}
|
|
replyingStatusContent = composeOptions?.replyingStatusContent
|
|
replyingStatusAuthor = composeOptions?.replyingStatusAuthor
|
|
|
|
formattingSyntax = composeOptions?.formattingSyntax ?: accountManager.activeAccount!!.defaultFormattingSyntax
|
|
}
|
|
|
|
fun updatePoll(newPoll: NewPoll) {
|
|
poll.value = newPoll
|
|
}
|
|
|
|
fun updateScheduledAt(newScheduledAt: String?) {
|
|
scheduledAt.value = newScheduledAt
|
|
}
|
|
|
|
private companion object {
|
|
const val TAG = "ComposeViewModel"
|
|
}
|
|
|
|
}
|
|
|
|
fun <T> mutableLiveData(default: T) = MutableLiveData<T>().apply { value = default }
|
|
|
|
const val DEFAULT_CHARACTER_LIMIT = 500
|
|
private const val DEFAULT_MAX_OPTION_COUNT = 4
|
|
private const val DEFAULT_MAX_OPTION_LENGTH = 25
|
|
private const val STATUS_VIDEO_SIZE_LIMIT : Long = 41943040 // 40MiB
|
|
private const val STATUS_IMAGE_SIZE_LIMIT : Long = 8388608 // 8MiB
|
|
|
|
|
|
data class ComposeInstanceParams(
|
|
val maxChars: Int,
|
|
val pollMaxOptions: Int,
|
|
val pollMaxLength: Int,
|
|
val supportsScheduled: Boolean
|
|
)
|
|
|
|
data class ComposeInstanceMetadata(
|
|
val software: String,
|
|
val supportsMarkdown: Boolean,
|
|
val supportsBBcode: Boolean,
|
|
val supportsHTML: Boolean,
|
|
val videoLimit: Long,
|
|
val imageLimit: Long
|
|
)
|
|
|