593 lines
21 KiB
Kotlin
593 lines
21 KiB
Kotlin
package jp.juggler.subwaytooter.actpost
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import android.content.SharedPreferences
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import android.os.Handler
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import android.text.*
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import android.text.style.ForegroundColorSpan
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import android.view.View
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import androidx.appcompat.app.AppCompatActivity
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import jp.juggler.subwaytooter.App1
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import jp.juggler.subwaytooter.R
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import jp.juggler.subwaytooter.api.entity.TootTag
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import jp.juggler.subwaytooter.dialog.ActionsDialog
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import jp.juggler.subwaytooter.dialog.launchEmojiPicker
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import jp.juggler.subwaytooter.emoji.CustomEmoji
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import jp.juggler.subwaytooter.emoji.EmojiBase
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import jp.juggler.subwaytooter.emoji.UnicodeEmoji
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import jp.juggler.subwaytooter.pref.PrefB
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import jp.juggler.subwaytooter.span.NetworkEmojiSpan
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import jp.juggler.subwaytooter.table.AcctSet
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import jp.juggler.subwaytooter.table.SavedAccount
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import jp.juggler.subwaytooter.table.TagSet
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import jp.juggler.subwaytooter.util.DecodeOptions
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import jp.juggler.subwaytooter.util.EmojiDecoder
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import jp.juggler.subwaytooter.util.PopupAutoCompleteAcct
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import jp.juggler.subwaytooter.view.MyEditText
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import jp.juggler.util.*
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import kotlin.math.min
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// 入力補完機能
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class CompletionHelper(
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private val activity: AppCompatActivity,
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private val pref: SharedPreferences,
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private val handler: Handler,
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) {
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companion object {
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private val log = LogCategory("CompletionHelper")
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private val reCharsNotEmoji = "[^0-9A-Za-z_-]".asciiRegex()
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// 無視するスパン
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// ($を.に変換済)
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val ignoreSpans = setOf(
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"android.text.Selection.END",
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"android.text.Selection.START",
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"android.widget.Editor.SpanController",
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"android.widget.TextView.ChangeWatcher",
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"androidx.emoji2.text.SpannableBuilder.WatcherWrapper",
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"androidx.emoji2.viewsintegration.EmojiKeyListener",
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"android.text.DynamicLayout.ChangeWatcher",
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"android.text.method.TextKeyListener",
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"android.text.method.Touch.DragState",
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"android.text.style.SpellCheckSpan",
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)
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private val reRemoveSpan = """\Qandroid.text.style.\E.+Span""".toRegex()
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private fun matchUserNameOrAsciiDomain(cp: Int): Boolean {
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if (cp >= 0x7f) return false
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val c = cp.toChar()
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return '0' <= c && c <= '9' ||
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'A' <= c && c <= 'Z' ||
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'a' <= c && c <= 'z' ||
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c == '_' || c == '-' || c == '.'
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}
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// Letter | Mark | Decimal_Number | Connector_Punctuation
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private fun matchIdnWord(cp: Int) = when (Character.getType(cp).toByte()) {
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// Letter
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// LCはエイリアスなので文字から得られることはないはず
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Character.UPPERCASE_LETTER,
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Character.LOWERCASE_LETTER,
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Character.TITLECASE_LETTER,
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Character.MODIFIER_LETTER,
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Character.OTHER_LETTER,
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-> true
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// Mark
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Character.NON_SPACING_MARK,
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Character.COMBINING_SPACING_MARK,
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Character.ENCLOSING_MARK,
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-> true
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// Decimal_Number
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Character.DECIMAL_DIGIT_NUMBER -> true
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// Connector_Punctuation
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Character.CONNECTOR_PUNCTUATION -> true
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else -> false
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}
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}
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interface Callback2 {
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fun onTextUpdate()
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fun canOpenPopup(): Boolean
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}
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private val pickerCaptionEmoji: String by lazy {
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activity.getString(R.string.open_picker_emoji)
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}
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private var callback2: Callback2? = null
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private var et: MyEditText? = null
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private var popup: PopupAutoCompleteAcct? = null
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private var formRoot: View? = null
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private var bMainScreen: Boolean = false
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private var accessInfo: SavedAccount? = null
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private val onEmojiListLoad: (list: List<CustomEmoji>) -> Unit = {
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if (popup?.isShowing == true) procTextChanged.run()
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}
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private val procTextChanged: Runnable = Runnable {
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val et = this.et
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if (et == null || et.selectionStart != et.selectionEnd || callback2?.canOpenPopup() != true) {
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// EditTextを特定できない
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// 範囲選択中
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// 何らかの理由でポップアップが許可されていない
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closeAcctPopup()
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} else {
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checkMention(et, et.text.toString())
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}
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}
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private fun checkMention(et: MyEditText, src: String) {
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// 選択範囲末尾からスキャン
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var countAtmark = 0
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var start: Int = -1
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val end = et.selectionEnd
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var i = end
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while (i > 0) {
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val cp = src.codePointBefore(i)
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i -= Character.charCount(cp)
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if (cp == '@'.code) {
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start = i
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if (++countAtmark >= 2) break else continue
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} else if (countAtmark == 1) {
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// @username@host の username部分はUnicodeを含まない
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if (matchUserNameOrAsciiDomain(cp)) continue else break
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} else {
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// @username@host のhost 部分か、 @username のusername部分
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// ここはUnicodeを含むかもしれない
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if (matchUserNameOrAsciiDomain(cp) || matchIdnWord(cp)) continue else break
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}
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}
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if (start == -1) {
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checkTag(et, src)
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return
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}
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// 最低でも2文字ないと補完しない
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if (end - start < 2) {
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closeAcctPopup()
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return
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}
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val limit = 100
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val s = src.substring(start, end)
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val acctList = AcctSet.searchPrefix(s, limit)
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log.d("search for $s, result=${acctList.size}")
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if (acctList.isEmpty()) {
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closeAcctPopup()
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} else {
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openPopup()?.setList(et, start, end, acctList, null, null)
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}
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}
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private fun checkTag(et: MyEditText, src: String) {
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val end = et.selectionEnd
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val lastSharp = src.lastIndexOf('#', end - 1)
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if (lastSharp == -1 || end - lastSharp < 2) {
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checkEmoji(et, src)
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return
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}
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val part = src.substring(lastSharp + 1, end)
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if (!TootTag.isValid(part, accessInfo?.isMisskey == true)) {
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checkEmoji(et, src)
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return
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}
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val limit = 100
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val s = src.substring(lastSharp + 1, end)
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val tagList = TagSet.searchPrefix(s, limit)
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log.d("search for $s, result=${tagList.size}")
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if (tagList.isEmpty()) {
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closeAcctPopup()
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} else {
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openPopup()?.setList(et, lastSharp, end, tagList, null, null)
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}
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}
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private fun checkEmoji(et: MyEditText, src: String) {
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val end = et.selectionEnd
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val lastColon = src.lastIndexOf(':', end - 1)
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if (lastColon == -1 || end - lastColon < 1) {
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closeAcctPopup()
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return
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}
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if (!EmojiDecoder.canStartShortCode(src, lastColon)) {
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// : の手前は始端か改行か空白でなければならない
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log.d("checkEmoji: invalid character before shortcode.")
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closeAcctPopup()
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return
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}
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val part = src.substring(lastColon + 1, end)
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if (part.isEmpty()) {
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// :を入力した直後は候補は0で、「閉じる」と「絵文字を選ぶ」だけが表示されたポップアップを出す
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openPopup()?.setList(
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et, lastColon, end, null, pickerCaptionEmoji, openPickerEmoji
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)
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return
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}
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if (reCharsNotEmoji.containsMatchIn(part)) {
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// 範囲内に絵文字に使えない文字がある
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closeAcctPopup()
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return
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}
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val codeList = ArrayList<CharSequence>()
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val limit = 100
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// カスタム絵文字の候補を部分一致検索
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codeList.addAll(customEmojiCodeList(accessInfo, limit, part))
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// 通常の絵文字を部分一致で検索
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val remain = limit - codeList.size
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if (remain > 0) {
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val s = src.substring(lastColon + 1, end)
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.lowercase()
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.replace('-', '_')
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val matches = EmojiDecoder.searchShortCode(activity, s, remain)
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log.d("checkEmoji: search for $s, result=${matches.size}")
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codeList.addAll(matches)
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}
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openPopup()?.setList(
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et,
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lastColon,
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end,
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codeList,
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pickerCaptionEmoji,
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openPickerEmoji
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)
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}
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// カスタム絵文字の候補を作る
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private fun customEmojiCodeList(
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accessInfo: SavedAccount?,
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@Suppress("SameParameterValue") limit: Int,
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needle: String,
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) = buildList<CharSequence> {
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accessInfo ?: return@buildList
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val customList = App1.custom_emoji_lister.getListNonBlocking(
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accessInfo,
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withAliases = true,
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callback = onEmojiListLoad
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)
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?: return@buildList
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for (item in customList) {
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if (size >= limit) break
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if (!item.shortcode.contains(needle)) continue
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val sb = SpannableStringBuilder()
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sb.append(' ')
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sb.setSpan(
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NetworkEmojiSpan(item.url),
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0,
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sb.length,
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Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
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)
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sb.append(' ')
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if (item.alias != null) {
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val start = sb.length
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sb.append(":")
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sb.append(item.alias)
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sb.append(": → ")
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sb.setSpan(
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ForegroundColorSpan(activity.attrColor(R.attr.colorTimeSmall)),
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start,
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sb.length,
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Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
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)
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}
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sb.append(':')
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sb.append(item.shortcode)
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sb.append(':')
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add(sb)
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}
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}
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private fun openPopup(): PopupAutoCompleteAcct? {
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var popup = this@CompletionHelper.popup
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if (popup?.isShowing == true) return popup
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val et = this@CompletionHelper.et ?: return null
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val formRoot = this@CompletionHelper.formRoot ?: return null
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popup = PopupAutoCompleteAcct(activity, et, formRoot, bMainScreen)
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this@CompletionHelper.popup = popup
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return popup
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}
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fun setInstance(accessInfo: SavedAccount?) {
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this.accessInfo = accessInfo
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accessInfo?.let {
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App1.custom_emoji_lister.getListNonBlocking(
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it,
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callback = onEmojiListLoad
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)
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}
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if (popup?.isShowing == true) procTextChanged.run()
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}
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fun closeAcctPopup() {
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popup?.dismiss()
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popup = null
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}
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fun onScrollChanged() {
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popup?.takeIf { it.isShowing }?.updatePosition()
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}
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fun onDestroy() {
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handler.removeCallbacks(procTextChanged)
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closeAcctPopup()
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}
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fun attachEditText(
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formRoot: View,
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et: MyEditText,
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bMainScreen: Boolean,
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callback2: Callback2,
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) {
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this.formRoot = formRoot
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this.et = et
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this.callback2 = callback2
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this.bMainScreen = bMainScreen
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et.addTextChangedListener(object : TextWatcher {
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override fun beforeTextChanged(
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s: CharSequence,
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start: Int,
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count: Int,
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after: Int,
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) {
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}
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override fun onTextChanged(s: CharSequence, start: Int, before: Int, count: Int) {
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handler.removeCallbacks(procTextChanged)
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handler.postDelayed(procTextChanged, if (popup?.isShowing == true) 100L else 500L)
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}
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override fun afterTextChanged(s: Editable) {
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// ペースト時に余計な装飾を取り除く
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val spans = s.getSpans(0, s.length, Any::class.java)
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val isImeComposing =
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spans.any { it?.javaClass?.name == "android.view.inputmethod.ComposingText" }
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if (!isImeComposing) {
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spans?.filter {
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val name = (it?.javaClass?.name ?: "").replace('$', '.')
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when {
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ignoreSpans.contains(name) -> false
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reRemoveSpan.matches(name) -> {
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log.i("span remove $name")
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true
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}
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else -> {
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log.i("span keep $name")
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false
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}
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}
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}
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?.map { Triple(it, s.getSpanStart(it), s.getSpanEnd(it)) }
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?.sortedBy { -it.second }
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?.forEach {
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s.removeSpan(it.first)
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}
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}
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this@CompletionHelper.callback2?.onTextUpdate()
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}
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})
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// 範囲選択されてるならポップアップは閉じる
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et.onSelectionChange = { selStart, selEnd ->
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if (selStart != selEnd) {
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log.d("onSelectionChange: range selected")
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closeAcctPopup()
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}
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}
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// 全然動いてなさそう…
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// et.setCustomSelectionActionModeCallback( action_mode_callback );
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}
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private fun SpannableStringBuilder.appendEmoji(
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emoji: EmojiBase,
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bInstanceHasCustomEmoji: Boolean,
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) = appendEmoji(bInstanceHasCustomEmoji, emoji)
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private fun SpannableStringBuilder.appendEmoji(
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bInstanceHasCustomEmoji: Boolean,
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emoji: EmojiBase,
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): SpannableStringBuilder {
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val separator = EmojiDecoder.customEmojiSeparator()
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when (emoji) {
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is CustomEmoji -> {
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// カスタム絵文字は常にshortcode表現
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if (!EmojiDecoder.canStartShortCode(this, this.length)) append(separator)
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this.append(SpannableString(":${emoji.shortcode}:"))
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// セパレータにZWSPを使う設定なら、補完した次の位置にもZWSPを追加する。連続して入力補完できるようになる。
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if (separator != ' ') append(separator)
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}
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is UnicodeEmoji -> {
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if (!bInstanceHasCustomEmoji) {
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// 古いタンスだとshortcodeを使う。見た目は絵文字に変える。
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if (!EmojiDecoder.canStartShortCode(this, this.length)) append(separator)
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this.append(DecodeOptions(activity).decodeEmoji(":${emoji.unifiedName}:"))
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// セパレータにZWSPを使う設定なら、補完した次の位置にもZWSPを追加する。連続して入力補完できるようになる。
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if (separator != ' ') append(separator)
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} else {
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// 十分に新しいタンスなら絵文字のunicodeを使う。見た目は絵文字に変える。
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this.append(DecodeOptions(activity).decodeEmoji(emoji.unifiedCode))
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}
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}
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}
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return this
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}
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private val openPickerEmoji: Runnable = Runnable {
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launchEmojiPicker(
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activity,
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accessInfo,
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closeOnSelected = PrefB.bpEmojiPickerCloseOnSelected(pref)
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) { emoji, bInstanceHasCustomEmoji ->
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val et = this@CompletionHelper.et ?: return@launchEmojiPicker
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val src = et.text ?: ""
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val srcLength = src.length
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val end = min(srcLength, et.selectionEnd)
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val start = src.lastIndexOf(':', end - 1)
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if (start == -1 || end - start < 1) return@launchEmojiPicker
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val sb = SpannableStringBuilder()
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.append(src.subSequence(0, start))
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.appendEmoji(emoji, bInstanceHasCustomEmoji)
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val newSelection = sb.length
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if (end < srcLength) sb.append(src.subSequence(end, srcLength))
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et.text = sb
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et.setSelection(newSelection)
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procTextChanged.run()
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// キーボードを再度表示する
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App1.getAppState(
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activity,
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"PostHelper/EmojiPicker/cb"
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).handler.post { et.showKeyboard() }
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}
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}
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fun openEmojiPickerFromMore() {
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launchEmojiPicker(
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activity,
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accessInfo,
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closeOnSelected = PrefB.bpEmojiPickerCloseOnSelected(pref)
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) { emoji, bInstanceHasCustomEmoji ->
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val et = this@CompletionHelper.et ?: return@launchEmojiPicker
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val src = et.text ?: ""
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val srcLength = src.length
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val start = min(srcLength, et.selectionStart)
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val end = min(srcLength, et.selectionEnd)
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val sb = SpannableStringBuilder()
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.append(src.subSequence(0, start))
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.appendEmoji(emoji, bInstanceHasCustomEmoji)
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val newSelection = sb.length
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if (end < srcLength) sb.append(src.subSequence(end, srcLength))
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et.text = sb
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et.setSelection(newSelection)
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procTextChanged.run()
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}
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}
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private fun SpannableStringBuilder.appendHashTag(tagWithoutSharp: String): SpannableStringBuilder {
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val separator = ' '
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if (!EmojiDecoder.canStartHashtag(this, this.length)) append(separator)
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this.append('#').append(tagWithoutSharp)
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|
append(separator)
|
|
return this
|
|
}
|
|
|
|
fun openFeaturedTagList(list: List<TootTag>?) {
|
|
val ad = ActionsDialog()
|
|
list?.forEach { tag ->
|
|
ad.addAction("#${tag.name}") {
|
|
val et = this.et ?: return@addAction
|
|
|
|
val src = et.text ?: ""
|
|
val srcLength = src.length
|
|
val start = min(srcLength, et.selectionStart)
|
|
val end = min(srcLength, et.selectionEnd)
|
|
|
|
val sb = SpannableStringBuilder()
|
|
.append(src.subSequence(0, start))
|
|
.appendHashTag(tag.name)
|
|
val newSelection = sb.length
|
|
if (end < srcLength) sb.append(src.subSequence(end, srcLength))
|
|
|
|
et.text = sb
|
|
et.setSelection(newSelection)
|
|
|
|
procTextChanged.run()
|
|
}
|
|
}
|
|
ad.addAction(activity.getString(R.string.input_sharp_itself)) {
|
|
val et = this.et ?: return@addAction
|
|
|
|
val src = et.text ?: ""
|
|
val srcLength = src.length
|
|
val start = min(srcLength, et.selectionStart)
|
|
val end = min(srcLength, et.selectionEnd)
|
|
|
|
val sb = SpannableStringBuilder()
|
|
sb.append(src.subSequence(0, start))
|
|
if (!EmojiDecoder.canStartHashtag(sb, sb.length)) sb.append(' ')
|
|
sb.append('#')
|
|
|
|
val newSelection = sb.length
|
|
if (end < srcLength) sb.append(src.subSequence(end, srcLength))
|
|
et.text = sb
|
|
et.setSelection(newSelection)
|
|
|
|
procTextChanged.run()
|
|
}
|
|
ad.show(activity, activity.getString(R.string.featured_hashtags))
|
|
}
|
|
|
|
// final ActionMode.Callback action_mode_callback = new ActionMode.Callback() {
|
|
// @Override public boolean onCreateActionMode( ActionMode actionMode, Menu menu ){
|
|
// actionMode.getMenuInflater().inflate(R.menu.toot_long_tap, menu);
|
|
// return true;
|
|
// }
|
|
// @Override public void onDestroyActionMode( ActionMode actionMode ){
|
|
//
|
|
// }
|
|
// @Override public boolean onPrepareActionMode( ActionMode actionMode, Menu menu ){
|
|
// return false;
|
|
// }
|
|
//
|
|
// @Override
|
|
// public boolean onActionItemClicked( ActionMode actionMode, MenuItem item ){
|
|
// if (item.getItemId() == R.id.action_pick_emoji) {
|
|
// actionMode.finish();
|
|
// EmojiPicker.open( activity, instance, new EmojiPicker.Callback() {
|
|
// @Override public void onPickedEmoji( String name ){
|
|
// int end = et.getSelectionEnd();
|
|
// String src = et.getText().toString();
|
|
// CharSequence svInsert = ":" + name + ":";
|
|
// src = src.substring( 0, end ) + svInsert + " " + ( end >= src.length() ? "" : src.substring( end ) );
|
|
// et.setText( src );
|
|
// et.setSelection( end + svInsert.length() + 1 );
|
|
//
|
|
// proc_text_changed.run();
|
|
// }
|
|
// } );
|
|
// return true;
|
|
// }
|
|
//
|
|
// return false;
|
|
// }
|
|
// };
|
|
}
|