146 lines
4.7 KiB
Kotlin
146 lines
4.7 KiB
Kotlin
package com.h.pixeldroid.posts
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import android.content.Context
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import android.os.Build
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import android.text.Html
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import android.text.SpannableStringBuilder
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import android.text.Spanned
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import android.text.style.ClickableSpan
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import android.text.style.URLSpan
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import android.util.Log
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import android.view.View
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import android.widget.TextView
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import android.widget.Toast
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import androidx.core.text.toSpanned
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import androidx.lifecycle.LifecycleCoroutineScope
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import com.h.pixeldroid.R
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import com.h.pixeldroid.utils.api.PixelfedAPI
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import com.h.pixeldroid.utils.api.objects.Account.Companion.openAccountFromId
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import com.h.pixeldroid.utils.api.objects.Mention
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import com.h.pixeldroid.utils.di.PixelfedAPIHolder
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import java.net.URI
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import java.net.URISyntaxException
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import java.text.ParseException
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import java.util.*
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fun fromHtml(html: String): Spanned {
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val result: Spanned = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
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Html.fromHtml(html, Html.FROM_HTML_MODE_LEGACY)
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} else {
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@Suppress("DEPRECATION")
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Html.fromHtml(html)
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}
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return result.trim().toSpanned()
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}
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fun getDomain(urlString: String?): String {
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val uri: URI
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try {
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uri = URI(urlString!!)
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} catch (e: URISyntaxException) {
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return ""
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}
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val host: String = uri.host
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return if (host.startsWith("www.")) {
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host.substring(4)
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} else {
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host
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}
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}
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fun parseHTMLText(
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text: String,
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mentions: List<Mention>?,
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apiHolder: PixelfedAPIHolder,
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context: Context,
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lifecycleScope: LifecycleCoroutineScope,
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) : Spanned {
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//Convert text to spannable
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val content = fromHtml(text)
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//Retrive all links that should be made clickable
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val builder = SpannableStringBuilder(content)
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val urlSpans = content.getSpans(0, content.length, URLSpan::class.java)
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for(span in urlSpans) {
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val start = builder.getSpanStart(span)
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val end = builder.getSpanEnd(span)
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val flags = builder.getSpanFlags(span)
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val text = builder.subSequence(start, end)
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var customSpan: ClickableSpan? = null
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//Handle hashtags
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if (text[0] == '#') {
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val tag = text.subSequence(1, text.length).toString()
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customSpan = object : ClickableSpanNoUnderline() {
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override fun onClick(widget: View) {
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Toast.makeText(context, tag, Toast.LENGTH_SHORT).show()
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}
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}
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}
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//Handle mentions
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if(text[0] == '@' && !mentions.isNullOrEmpty()) {
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val accountUsername = text.subSequence(1, text.length).toString()
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var id: String? = null
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//Go through all mentions stored in the status
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for (mention in mentions) {
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if (mention.username.equals(accountUsername, ignoreCase = true)
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) {
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id = mention.id
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//Mentions can be of users in other domains
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if (mention.url.contains(getDomain(span.url))) {
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break
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}
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}
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}
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//Check that we found a user for the given mention
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if (id != null) {
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val accountId: String = id
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customSpan = object : ClickableSpanNoUnderline() {
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override fun onClick(widget: View) {
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Log.e("MENTION", "CLICKED")
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//Retrieve the account for the given profile
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lifecycleScope.launchWhenCreated {
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val api: PixelfedAPI = apiHolder.api ?: apiHolder.setToCurrentUser()
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openAccountFromId(accountId, api, context)
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}
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}
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}
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}
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}
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builder.removeSpan(span)
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builder.setSpan(customSpan, start, end, flags)
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// Add zero-width space after links in end of line to fix its too large hitbox.
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if (end >= builder.length || builder.subSequence(end, end + 1).toString() == "\n") {
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builder.insert(end, "\u200B")
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}
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}
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return builder
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}
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fun setTextViewFromISO8601(date: Date, textView: TextView, absoluteTime: Boolean, context: Context) {
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val now = Date().time
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try {
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val then = date.time
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val formattedDate = android.text.format.DateUtils
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.getRelativeTimeSpanString(then, now,
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android.text.format.DateUtils.SECOND_IN_MILLIS,
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android.text.format.DateUtils.FORMAT_ABBREV_RELATIVE)
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textView.text = if(absoluteTime) context.getString(R.string.posted_on).format(date)
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else "$formattedDate"
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} catch (e: ParseException) {
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e.printStackTrace()
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}
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} |