編集履歴カラムの追加。投稿のヘッダに編集済表記を追加。

app/src/main/java/jp/juggler/subwaytooter/action/Action_Status.kt

@@ -3,14 +3,12 @@ package jp.juggler.subwaytooter.action
 import android.content.Intent
 import androidx.appcompat.app.AlertDialog
 import jp.juggler.subwaytooter.*
+import jp.juggler.subwaytooter.actmain.addColumn
 import jp.juggler.subwaytooter.actmain.reloadAccountSetting
 import jp.juggler.subwaytooter.actmain.showColumnMatchAccount
 import jp.juggler.subwaytooter.api.*
 import jp.juggler.subwaytooter.api.entity.*
-import jp.juggler.subwaytooter.column.Column
+import jp.juggler.subwaytooter.column.*
-import jp.juggler.subwaytooter.column.findStatus
-import jp.juggler.subwaytooter.column.onScheduleDeleted
-import jp.juggler.subwaytooter.column.onStatusRemoved
 import jp.juggler.subwaytooter.dialog.ActionsDialog
 import jp.juggler.subwaytooter.dialog.DlgConfirm
 import jp.juggler.subwaytooter.dialog.pickAccount
@@ -642,3 +640,12 @@ fun ActMain.scheduledPostEdit(
         }
     }
 }
+
+// アカウントを選んでタイムラインカラムを追加
+fun ActMain.openStatusHistory(
+    pos: Int,
+    accessInfo: SavedAccount,
+    status: TootStatus,
+) {
+    addColumn(pos, accessInfo, ColumnType.STATUS_HISTORY, status.id, status.json)
+}

app/src/main/java/jp/juggler/subwaytooter/api/DuplicateMap.kt

@@ -2,6 +2,7 @@ package jp.juggler.subwaytooter.api
 
 import jp.juggler.subwaytooter.api.entity.*
 import jp.juggler.util.LogCategory
+import jp.juggler.util.cast
 import java.util.*
 
 class DuplicateMap {
@@ -67,4 +68,30 @@ class DuplicateMap {
         }
         return listNew
     }
+
+    private fun isDuplicateByCreatedAt(o: TimelineItem): Boolean {
+        if (o is TootStatus) {
+            val createdAt = EntityId(o.time_created_at.toString())
+            if (createdAt.notDefaultOrConfirming) {
+                if (idSet.contains(createdAt)) return true
+                idSet.add(createdAt)
+            }
+        }
+        //編集履歴以外のカラムではここを通らない
+        return false
+    }
+
+    fun filterDuplicateByCreatedAt(src: Collection<TimelineItem>?): ArrayList<TimelineItem> {
+        val listNew = ArrayList<TimelineItem>()
+        if (src != null) {
+            for (o in src) {
+                if (isDuplicateByCreatedAt(o)) {
+                    log.d("filterDuplicateByCreatedAt: filtered. ${o.cast<TootStatus>()?.time_created_at}")
+                    continue
+                }
+                listNew.add(o)
+            }
+        }
+        return listNew
+    }
 }

app/src/main/java/jp/juggler/subwaytooter/api/entity/TootStatus.kt

@@ -182,6 +182,9 @@ class TootStatus(parser: TootParser, src: JsonObject) : TimelineItem() {
     var isPromoted = false
     var isFeatured = false
 
+    // Mastodon 3.5.0
+    var time_edited_at = 0L
+
     ///////////////////////////////////////////////////////////////////
     // 以下はentityから取得したデータではなく、アプリ内部で使う
 
@@ -602,6 +605,8 @@ class TootStatus(parser: TootParser, src: JsonObject) : TimelineItem() {
                 this.favourites_count = src.long("favourites_count")
                 this.replies_count = src.long("replies_count")
 
+                this.time_edited_at = parseTime(src.string("edited_at"))
+
                 this.reactionSet = TootReactionSet.parseFedibird(
                     src.jsonArray("emoji_reactions")
                         ?: src.jsonObject("pleroma")?.jsonArray("emoji_reactions")
@@ -1267,7 +1272,7 @@ class TootStatus(parser: TootParser, src: JsonObject) : TimelineItem() {
         // 時刻を解釈してエポック秒(ミリ単位)を返す
         // 解釈に失敗すると0Lを返す
         fun parseTime(strTime: String?): Long {
-            if (strTime?.isNotBlank() != true) return 0L
+            if (strTime.isNullOrBlank()) return 0L
 
             // last_status_at などでは YYYY-MM-DD になることがある
             reDate.find(strTime)?.groupValues?.let { gv ->
@@ -1552,5 +1557,23 @@ class TootStatus(parser: TootParser, src: JsonObject) : TimelineItem() {
 
             return null
         }
+
+        private val supplyEditHistoryKeys = arrayOf(
+            "id",
+            "uri",
+            "url",
+            "visibility",
+        )
+
+        // 編集履歴のデータはTootStatusとしては不足があるので、srcを元に補う
+        fun supplyEditHistory(array: JsonArray?, src: JsonObject?) {
+            src ?: return
+            array?.objectList()?.forEach {
+                for (key in supplyEditHistoryKeys) {
+                    if (it.containsKey(key)) continue
+                    it[key] = src[key]
+                }
+            }
+        }
     }
 }

app/src/main/java/jp/juggler/subwaytooter/column/Column.kt

@@ -160,6 +160,7 @@ class Column(
     internal var profileTab = ProfileTab.Status
 
     internal var statusId: EntityId? = null
+    internal var originalStatus: JsonObject? = null
 
     // プロフカラムではアカウントのID。リストカラムではリストのID
     internal var profileId: EntityId? = null

app/src/main/java/jp/juggler/subwaytooter/column/ColumnActions.kt

@@ -242,6 +242,7 @@ fun Column.onMuteUpdated() {
 }
 
 fun Column.replaceStatus(statusId: EntityId, statusJson: JsonObject) {
+    if (type == ColumnType.STATUS_HISTORY) return
 
     fun createStatus() =
         TootParser(context, accessInfo).status(statusJson)

app/src/main/java/jp/juggler/subwaytooter/column/ColumnEncoder.kt

@@ -56,6 +56,7 @@ object ColumnEncoder {
     private const val KEY_PROFILE_ID = "profile_id"
     private const val KEY_PROFILE_TAB = "tab"
     private const val KEY_STATUS_ID = "status_id"
+    private const val KEY_ORIGINAL_STATUS = "original_status"
 
     private const val KEY_HASHTAG = "hashtag"
     private const val KEY_HASHTAG_ANY = "hashtag_any"
@@ -170,6 +171,11 @@ object ColumnEncoder {
                 ->
                     dst[KEY_STATUS_ID] = statusId.toString()
 
+                ColumnType.STATUS_HISTORY -> {
+                    dst[KEY_STATUS_ID] = statusId.toString()
+                    dst[KEY_ORIGINAL_STATUS] = originalStatus
+                }
+
                 ColumnType.FEDERATED_AROUND -> {
                     dst[KEY_STATUS_ID] = statusId.toString()
                     dst[KEY_REMOTE_ONLY] = remoteOnly
@@ -299,6 +305,11 @@ object ColumnEncoder {
                 ColumnType.ACCOUNT_AROUND,
                 -> statusId = EntityId.mayNull(src.string(KEY_STATUS_ID))
 
+                ColumnType.STATUS_HISTORY -> {
+                    statusId = EntityId.mayNull(src.string(KEY_STATUS_ID))
+                    originalStatus = src.jsonObject(KEY_ORIGINAL_STATUS)
+                }
+
                 ColumnType.FEDERATED_AROUND,
                 -> {
                     statusId = EntityId.mayNull(src.string(KEY_STATUS_ID))

app/src/main/java/jp/juggler/subwaytooter/column/ColumnExtra1.kt

@@ -36,6 +36,7 @@ fun Column.canReloadWhenRefreshTop(): Boolean = when (type) {
     ColumnType.TREND_TAG,
     ColumnType.FOLLOW_SUGGESTION,
     ColumnType.PROFILE_DIRECTORY,
+    ColumnType.STATUS_HISTORY,
     -> true
 
     ColumnType.LIST_MEMBER,
@@ -56,7 +57,7 @@ fun Column.canRefreshTopBySwipe(): Boolean =
                 else -> true
             }
 
-// カラム操作的にリフレッシュを許容するかどうか
+// カラム操作的に下端リフレッシュを許容するかどうか
 fun Column.canRefreshBottomBySwipe(): Boolean = when (type) {
     ColumnType.LIST_LIST,
     ColumnType.CONVERSATION,
@@ -65,6 +66,7 @@ fun Column.canRefreshBottomBySwipe(): Boolean = when (type) {
     ColumnType.SEARCH,
     ColumnType.TREND_TAG,
     ColumnType.FOLLOW_SUGGESTION,
+    ColumnType.STATUS_HISTORY,
     -> false
 
     ColumnType.FOLLOW_REQUESTS -> isMisskey

app/src/main/java/jp/juggler/subwaytooter/column/ColumnFilters.kt

@@ -44,20 +44,26 @@ fun Column.getFilterContext() = when (type) {
 
     ColumnType.PROFILE -> TootFilter.CONTEXT_PROFILE
 
+    ColumnType.STATUS_HISTORY -> TootFilter.CONTEXT_NONE
+
     else -> TootFilter.CONTEXT_PUBLIC
     // ColumnType.MISSKEY_HYBRID や ColumnType.MISSKEY_ANTENNA_TL はHOMEでもPUBLICでもある…
     // Misskeyだし関係ないが、NONEにするとアプリ内で完結するフィルタも働かなくなる
 }
 
 // カラム設定に正規表現フィルタを含めるなら真
-fun Column.canStatusFilter(): Boolean {
+fun Column.canStatusFilter() =
-    if (getFilterContext() != TootFilter.CONTEXT_NONE) return true
+    when (type) {
-
+        ColumnType.SEARCH_MSP,
-    return when (type) {
+        ColumnType.SEARCH_TS,
-        ColumnType.SEARCH_MSP, ColumnType.SEARCH_TS, ColumnType.SEARCH_NOTESTOCK -> true
+        ColumnType.SEARCH_NOTESTOCK,
-        else -> false
+        ColumnType.STATUS_HISTORY,
+        -> true
+        else -> when {
+            getFilterContext() == TootFilter.CONTEXT_NONE -> false
+            else -> true
+        }
     }
-}
 
 // カラム設定に「すべての画像を隠す」ボタンを含めるなら真
 fun Column.canNSFWDefault(): Boolean = canStatusFilter()

app/src/main/java/jp/juggler/subwaytooter/column/ColumnSpec.kt

@@ -4,6 +4,7 @@ import jp.juggler.subwaytooter.api.entity.Acct
 import jp.juggler.subwaytooter.api.entity.EntityId
 import jp.juggler.subwaytooter.api.entity.Host
 import jp.juggler.subwaytooter.table.SavedAccount
+import jp.juggler.util.JsonObject
 import jp.juggler.util.LogCategory
 
 private val log = LogCategory("ColumnSpec")
@@ -34,6 +35,12 @@ object ColumnSpec {
             else -> error("getParamString [$idx] bad type. $o")
         }
 
+    private fun getParamJsonObject(params: Array<out Any>, idx: Int): JsonObject =
+        when (val o = params[idx]) {
+            is JsonObject -> o
+            else -> error("getParamJsonObject [$idx] bad type. $o")
+        }
+
     @Suppress("UNCHECKED_CAST")
     private inline fun <reified T> getParamAtNullable(params: Array<out Any>, idx: Int): T? {
         if (idx >= params.size) return null
@@ -53,6 +60,11 @@ object ColumnSpec {
                 ->
                     statusId = getParamEntityId(params, 0)
 
+                ColumnType.STATUS_HISTORY -> {
+                    statusId = getParamEntityId(params, 0)
+                    originalStatus = getParamJsonObject(params, 1)
+                }
+
                 ColumnType.PROFILE, ColumnType.LIST_TL, ColumnType.LIST_MEMBER,
                 ColumnType.MISSKEY_ANTENNA_TL,
                 ->
@@ -121,19 +133,20 @@ object ColumnSpec {
                 ColumnType.LOCAL_AROUND,
                 ColumnType.FEDERATED_AROUND,
                 ColumnType.ACCOUNT_AROUND,
+                ColumnType.STATUS_HISTORY,
                 ->
                     column.statusId == getParamEntityId(params, 0)
 
                 ColumnType.HASHTAG -> {
                     (getParamString(params, 0) == column.hashtag) &&
-                        ((getParamAtNullable<String>(params, 1) ?: "") == column.hashtagAny) &&
+                            ((getParamAtNullable<String>(params, 1) ?: "") == column.hashtagAny) &&
-                        ((getParamAtNullable<String>(params, 2) ?: "") == column.hashtagAll) &&
+                            ((getParamAtNullable<String>(params, 2) ?: "") == column.hashtagAll) &&
-                        ((getParamAtNullable<String>(params, 3) ?: "") == column.hashtagNone)
+                            ((getParamAtNullable<String>(params, 3) ?: "") == column.hashtagNone)
                 }
 
                 ColumnType.HASHTAG_FROM_ACCT -> {
                     (getParamString(params, 0) == column.hashtag) &&
-                        ((getParamAtNullable<String>(params, 1) ?: "") == column.hashtagAcct)
+                            ((getParamAtNullable<String>(params, 1) ?: "") == column.hashtagAcct)
                 }
 
                 ColumnType.NOTIFICATION_FROM_ACCT -> {
@@ -142,7 +155,7 @@ object ColumnSpec {
 
                 ColumnType.SEARCH ->
                     getParamString(params, 0) == column.searchQuery &&
-                        getParamAtNullable<Boolean>(params, 1) == column.searchResolve
+                            getParamAtNullable<Boolean>(params, 1) == column.searchResolve
 
                 ColumnType.SEARCH_MSP,
                 ColumnType.SEARCH_TS,
@@ -155,8 +168,8 @@ object ColumnSpec {
 
                 ColumnType.PROFILE_DIRECTORY ->
                     getParamString(params, 0) == column.instanceUri &&
-                        getParamAtNullable<String>(params, 1) == column.searchQuery &&
+                            getParamAtNullable<String>(params, 1) == column.searchQuery &&
-                        getParamAtNullable<Boolean>(params, 2) == column.searchResolve
+                            getParamAtNullable<Boolean>(params, 2) == column.searchResolve
 
                 ColumnType.DOMAIN_TIMELINE ->
                     getParamString(params, 0) == column.instanceUri

app/src/main/java/jp/juggler/subwaytooter/column/ColumnTask_Loading.kt

@@ -104,6 +104,9 @@ class ColumnTask_Loading(
                     // 検索カラムはIDによる重複排除が不可能
                     ColumnType.SEARCH -> listTmp
 
+                    // 編集履歴は投稿日時で重複排除する
+                    ColumnType.STATUS_HISTORY -> column.duplicateMap.filterDuplicateByCreatedAt(listTmp)
+
                     // 他のカラムは重複排除してから追加
                     else -> column.duplicateMap.filterDuplicate(listTmp)
                 }
@@ -847,6 +850,19 @@ class ColumnTask_Loading(
         return result
     }
 
+    suspend fun getEditHistory(client: TootApiClient): TootApiResult? {
+        // ページングなし
+        val result = client.request("/api/v1/statuses/${column.statusId}/history")
+
+        // TootStatusとしては不足している情報があるのを補う
+        TootStatus.supplyEditHistory(result?.jsonArray, column.originalStatus)
+
+        val src = parser.statusList(result?.jsonArray).reversed()
+        listTmp = addAll(listTmp, src)
+        column.saveRange(bBottom = true, bTop = true, result = result, list = src)
+        return result
+    }
+
     suspend fun getListList(
         client: TootApiClient,
         pathBase: String,

app/src/main/java/jp/juggler/subwaytooter/column/ColumnTask_Refresh.kt

@@ -92,7 +92,12 @@ class ColumnTask_Refresh(
                 return
             }
 
-            val listNew = column.duplicateMap.filterDuplicate(listTmp)
+            val listNew = when (column.type) {
+                // 編集履歴は投稿日時で重複排除する
+                ColumnType.STATUS_HISTORY -> column.duplicateMap.filterDuplicateByCreatedAt(listTmp)
+
+                else -> column.duplicateMap.filterDuplicate(listTmp)
+            }
             if (listNew.isEmpty()) {
                 column.fireShowContent(
                     reason = "refresh list_new is empty",
@@ -1153,4 +1158,17 @@ class ColumnTask_Refresh(
         column.saveRange(bBottom, !bBottom, result, src)
         return result
     }
+
+    suspend fun getEditHistory(client: TootApiClient): TootApiResult? {
+        // ページングなし
+        val result = client.request("/api/v1/statuses/${column.statusId}/history")
+
+        // TootStatusとしては不足している情報があるのを補う
+        TootStatus.supplyEditHistory(result?.jsonArray, column.originalStatus)
+
+        val src = parser.statusList(result?.jsonArray).reversed()
+        listTmp = addAll(listTmp, src)
+        column.saveRange(bBottom, !bBottom, result, src)
+        return result
+    }
 }

app/src/main/java/jp/juggler/subwaytooter/column/ColumnType.kt

@@ -663,7 +663,11 @@ enum class ColumnType(
         },
 
         loading = { client -> getPublicTlAroundTime(client, column.makePublicFederateUrl()) },
-        refresh = { client -> getStatusList(client, column.makePublicFederateUrl(), useMinId = true) },
+        refresh = { client ->
+            getStatusList(client,
+                column.makePublicFederateUrl(),
+                useMinId = true)
+        },
 
         canStreamingMastodon = streamingTypeNo,
         canStreamingMisskey = streamingTypeNo,
@@ -1965,6 +1969,24 @@ enum class ColumnType(
         // Misskey10 にアンテナはない
     ),
 
+    STATUS_HISTORY(
+        43,
+        iconId = { R.drawable.ic_history },
+        name1 = { it.getString(R.string.edit_history) },
+        bAllowPseudo = true,
+        bAllowMisskey = false,
+
+        loading = { client ->
+            getEditHistory(client)
+        },
+        refresh = { client ->
+            getEditHistory(client)
+        },
+
+        canStreamingMastodon = streamingTypeNo,
+        canStreamingMisskey = streamingTypeNo,
+    ),
+
     ;
 
     init {
@@ -1985,7 +2007,7 @@ enum class ColumnType(
                 min = min(min, id)
                 max = max(max, id)
             }
-            log.d("dump: ColumnType range=$min..$max")
+            log.i("dump: ColumnType range=$min..$max")
         }
 
         fun parse(id: Int) = Column.typeMap[id] ?: HOME
@@ -2015,7 +2037,11 @@ fun Column.streamKeyHashtagTl() =
     "hashtag"
         .appendIf(":local", instanceLocal)
 
-private fun unmatchMastodonStream(stream: JsonArray, name: String, expectArg: String? = null): Boolean {
+private fun unmatchMastodonStream(
+    stream: JsonArray,
+    name: String,
+    expectArg: String? = null,
+): Boolean {
 
     val key = stream.string(0)
 

app/src/main/java/jp/juggler/subwaytooter/itemviewholder/DlgContextMenu.kt

@@ -88,71 +88,11 @@ internal class DlgContextMenu(
         dialog.setCancelable(true)
         dialog.setCanceledOnTouchOutside(true)
 
-        arrayOf(
+        views.root.scan { v ->
-            views.btnAccountWebPage,
+            when (v) {
-            views.btnAroundAccountTL,
+                is Button -> v.setOnClickListener(this)
-            views.btnAroundFTL,
+            }
-            views.btnAroundLTL,
+        }
-            views.btnAvatarImage,
-            views.btnBlock,
-            views.btnBookmarkAnotherAccount,
-            views.btnBoostAnotherAccount,
-            views.btnBoostedBy,
-            views.btnBoostWithVisibility,
-            views.btnConversationAnotherAccount,
-            views.btnConversationMute,
-            views.btnCopyAccountId,
-            views.btnDelete,
-            views.btnDeleteSuggestion,
-            views.btnDomainBlock,
-            views.btnDomainTimeline,
-            views.btnEndorse,
-            views.btnFavouriteAnotherAccount,
-            views.btnFavouritedBy,
-            views.btnFollow,
-            views.btnFollowFromAnotherAccount,
-            views.btnFollowRequestNG,
-            views.btnFollowRequestOK,
-            views.btnHideBoost,
-            views.btnHideFavourite,
-            views.btnInstanceInformation,
-            views.btnListMemberAddRemove,
-            views.btnMute,
-            views.btnMuteApp,
-            views.btnNotificationDelete,
-            views.btnNotificationFrom,
-            views.btnOpenAccountInAdminWebUi,
-            views.btnOpenInstanceInAdminWebUi,
-            views.btnOpenProfileFromAnotherAccount,
-            views.btnOpenTimeline,
-            views.btnProfile,
-            views.btnProfileDirectory,
-            views.btnProfilePin,
-            views.btnProfileUnpin,
-            views.btnQuoteAnotherAccount,
-            views.btnQuoteTootBT,
-            views.btnReactionAnotherAccount,
-            views.btnRedraft,
-            views.btnStatusEdit,
-            views.btnReplyAnotherAccount,
-            views.btnReportStatus,
-            views.btnReportUser,
-            views.btnSendMessage,
-            views.btnSendMessageFromAnotherAccount,
-            views.btnShowBoost,
-            views.btnShowFavourite,
-            views.btnStatusNotification,
-            views.btnStatusWebPage,
-            views.btnText,
-
-            views.btnQuoteUrlStatus,
-            views.btnTranslate,
-            views.btnQuoteUrlAccount,
-            views.btnShareUrlStatus,
-            views.btnShareUrlAccount,
-            views.btnQuoteName
-
-        ).forEach { it.setOnClickListener(this) }
 
         arrayOf(
             views.btnBlock,
@@ -219,6 +159,11 @@ internal class DlgContextMenu(
                     }
                 }
             }
+
+            views.btnStatusHistory.vg(status.time_edited_at > 0L && columnType != ColumnType.STATUS_HISTORY)
+                ?.text = activity.getString(R.string.edit_history) + "\n" +
+                    TootStatus.formatTime(activity, status.time_edited_at, bAllowRelative = false)
+
             views.llLinks.vg(views.llLinks.childCount > 1)
 
             views.btnGroupStatusByMe.vg(statusByMe)
@@ -372,8 +317,6 @@ internal class DlgContextMenu(
             }
         }
 
-        views.btnAccountText.setOnClickListener(this)
-
         if (accessInfo.isPseudo) {
             views.btnProfile.visibility = View.GONE
             views.btnSendMessage.visibility = View.GONE
@@ -399,10 +342,6 @@ internal class DlgContextMenu(
             views.btnSendMessageFromAnotherAccount.visibility = View.GONE
         }
 
-        views.btnNickname.setOnClickListener(this)
-        views.btnCancel.setOnClickListener(this)
-        views.btnAccountQrCode.setOnClickListener(this)
-
         if (accessInfo.isPseudo ||
             who == null ||
             !relation.getFollowing(who) ||
@@ -641,6 +580,7 @@ internal class DlgContextMenu(
             R.id.btnConversationMute -> conversationMute(accessInfo, status)
             R.id.btnProfilePin -> statusPin(accessInfo, status, true)
             R.id.btnProfileUnpin -> statusPin(accessInfo, status, false)
+            R.id.btnStatusHistory -> openStatusHistory(pos, accessInfo, status)
             else -> return false
         }
         return true

app/src/main/java/jp/juggler/subwaytooter/itemviewholder/ItemViewHolderShow.kt

@@ -2,10 +2,12 @@ package jp.juggler.subwaytooter.itemviewholder
 
 import android.annotation.SuppressLint
 import android.content.res.ColorStateList
+import android.graphics.Typeface
 import android.os.SystemClock
 import android.text.Spannable
 import android.text.SpannableString
 import android.text.SpannableStringBuilder
+import android.text.style.StyleSpan
 import android.view.View
 import android.widget.Button
 import android.widget.TextView
@@ -602,6 +604,14 @@ fun ItemViewHolder.showStatusTime(
             if (sb.isNotEmpty()) sb.append(' ')
             sb.append(activity.getString(R.string.featured))
         }
+
+        if (status.time_edited_at > 0L) {
+            if (sb.isNotEmpty()) sb.append(' ')
+            val start = sb.length
+            sb.append(activity.getString(R.string.edited))
+            val end = sb.length
+            sb.setSpan(StyleSpan(Typeface.BOLD), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
+        }
     } else {
         reblogVisibility?.takeIf { it != TootVisibility.Unknown }?.let { visibility ->
             val visIconId = Styler.getVisibilityIconId(accessInfo.isMisskey, visibility)
@@ -626,12 +636,18 @@ fun ItemViewHolder.showStatusTime(
             time != null -> TootStatus.formatTime(
                 activity,
                 time,
-                column.type != ColumnType.CONVERSATION
+                when (column.type) {
+                    ColumnType.CONVERSATION, ColumnType.STATUS_HISTORY -> false
+                    else -> true
+                }
             )
             status != null -> TootStatus.formatTime(
                 activity,
                 status.time_created_at,
-                column.type != ColumnType.CONVERSATION
+                when (column.type) {
+                    ColumnType.CONVERSATION, ColumnType.STATUS_HISTORY -> false
+                    else -> true
+                }
             )
             else -> "?"
         }

app/src/main/res/drawable/ic_history.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M13,3c-4.97,0 -9,4.03 -9,9L1,12l3.89,3.89 0.07,0.14L9,12L6,12c0,-3.87 3.13,-7 7,-7s7,3.13 7,7 -3.13,7 -7,7c-1.93,0 -3.68,-0.79 -4.94,-2.06l-1.42,1.42C8.27,19.99 10.51,21 13,21c4.97,0 9,-4.03 9,-9s-4.03,-9 -9,-9zM12,8v5l4.28,2.54 0.72,-1.21 -3.5,-2.08L13.5,8L12,8z"/>
+</vector>

app/src/main/res/layout/dlg_context_menu.xml

@@ -50,6 +50,21 @@
                     android:textColor="?attr/colorTimeSmall"
                     android:textSize="12sp" />
 
+                <Button
+                    android:id="@+id/btnStatusHistory"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:background="@drawable/btn_bg_transparent_round6dp"
+                    android:gravity="start|center_vertical"
+                    android:minHeight="32dp"
+                    android:paddingStart="8dp"
+                    android:paddingTop="4dp"
+                    android:paddingEnd="8dp"
+                    android:paddingBottom="4dp"
+                    android:text="@string/edit_history"
+                    android:textAllCaps="false" />
+
+
                 <Button
                     android:id="@+id/btnStatusWebPage"
                     android:layout_width="match_parent"

app/src/main/res/values-ja/strings.xml

@@ -1127,4 +1127,6 @@
     <string name="always">常に</string>
     <string name="auto">自動</string>
     <string name="status_edit">編集(Mastodon 3.5.0+)</string>
+    <string name="edited">編集済</string>
+    <string name="edit_history">編集履歴</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -1138,4 +1138,6 @@
     <string name="always">Always</string>
     <string name="auto">Auto</string>
     <string name="status_edit">Edit (Mastodon 3.5.0+)</string>
+    <string name="edited">edited</string>
+    <string name="edit_history">Edit history</string>
 </resources>