Extract events to separate files

mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/chat/NewContact.kt

@@ -1,3 +1,14 @@
+/*
+ * Copyright 2020 Mamoe Technologies and contributors.
+ *
+ * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ * https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
+@file:Suppress("INVISIBLE_MEMBER")
+
 package net.mamoe.mirai.qqandroid.network.protocol.packet.chat
 
 import kotlinx.io.core.ByteReadPacket

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/events/EventCancelledException.kt

@@ -0,0 +1,9 @@
+package net.mamoe.mirai.event.events
+
+@Suppress("unused")
+class EventCancelledException : RuntimeException {
+    constructor() : super()
+    constructor(message: String?) : super(message)
+    constructor(message: String?, cause: Throwable?) : super(message, cause)
+    constructor(cause: Throwable?) : super(cause)
+}

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/events/README.md

@@ -2,12 +2,11 @@
 
 ## 事件列表一览
 
-请在 [BotEvents.kt](BotEvents.kt) 中按事件名搜索:
 提示:
 - 在 IntelliJ 平台双击 shift 可输入类名进行全局搜索
 - 在 IntelliJ 平台, 按 alt + 7 可打开文件的结构, [效果图](/.github/EZSLAB`K@YFFOW47{090W8B.png)
 
-### Bot
+### [Bot](bot.kt)
 - Bot 登录完成: BotOnlineEvent
 - Bot 离线: BotOfflineEvent
   - 主动: Active
@@ -15,8 +14,9 @@
   - 被服务器断开或因网络问题而掉线: Dropped
   - 服务器主动要求更换另一个服务器: RequireReconnect
 - Bot 重新登录: BotReloginEvent
+- Bot 头像改变: BotAvatarChangedEvent
 
-### 消息
+### [消息](message.kt)
 - 主动发送消息: MessageSendEvent
   - 群消息: GroupMessageSendEvent
   - 好友消息: FriendMessageSendEvent
@@ -28,7 +28,7 @@
   - 图片上传成功: Succeed
   - 图片上传失败: Failed
 
-### 群
+### [群](group.kt)
 - 机器人被踢出群或在其他客户端主动退出一个群: BotLeaveEvent
   - 机器人主动退出一个群: Active
   - 机器人被管理员或群主踢出群: Kick
@@ -70,8 +70,9 @@
 - 群成员被禁言: MemberMuteEvent
 - 群成员被取消禁言: MemberUnmuteEvent
 
-## 好友
+### [好友](friend.kt)
 - 好友昵称改变: FriendRemarkChangeEvent
 - 成功添加了一个新好友: FriendAddEvent
 - 好友已被删除: FriendDeleteEvent
 - 一个账号请求添加机器人为好友: NewFriendRequestEvent
+- 好友头像改变: FriendAvatarChangedEvent

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/events/bot.kt

@@ -0,0 +1,77 @@
+/*
+ * Copyright 2020 Mamoe Technologies and contributors.
+ *
+ * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ * https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
+@file:Suppress("unused", "FunctionName")
+@file:JvmMultifileClass
+@file:JvmName("BotEventsKt")
+
+package net.mamoe.mirai.event.events
+
+import net.mamoe.mirai.Bot
+import net.mamoe.mirai.event.AbstractEvent
+import net.mamoe.mirai.qqandroid.network.Packet
+import kotlin.jvm.JvmMultifileClass
+import kotlin.jvm.JvmName
+
+// note: 若你使用 IntelliJ IDEA, 按 alt + 7 可打开结构
+
+
+/**
+ * [Bot] 登录完成, 好友列表, 群组列表初始化完成
+ */
+data class BotOnlineEvent internal constructor(override val bot: Bot) : BotActiveEvent, AbstractEvent()
+
+/**
+ * [Bot] 离线.
+ */
+sealed class BotOfflineEvent : BotEvent, AbstractEvent() {
+
+    /**
+     * 主动离线. 主动广播这个事件也可以让 [Bot] 关闭.
+     */
+    data class Active(override val bot: Bot, val cause: Throwable?) : BotOfflineEvent(), BotActiveEvent
+
+    /**
+     * 被挤下线
+     */
+    data class Force internal constructor(override val bot: Bot, val title: String, val message: String) :
+        BotOfflineEvent(), Packet,
+        BotPassiveEvent
+
+    /**
+     * 被服务器断开或因网络问题而掉线
+     */
+    data class Dropped internal constructor(override val bot: Bot, val cause: Throwable?) : BotOfflineEvent(), Packet,
+        BotPassiveEvent
+
+    /**
+     * 服务器主动要求更换另一个服务器
+     */
+    data class RequireReconnect internal constructor(override val bot: Bot) : BotOfflineEvent(), Packet, BotPassiveEvent
+}
+
+/**
+ * [Bot] 主动或被动重新登录. 在此事件广播前就已经登录完毕.
+ */
+data class BotReloginEvent internal constructor(
+    override val bot: Bot,
+    val cause: Throwable?
+) : BotEvent, BotActiveEvent, AbstractEvent()
+
+/**
+ * [Bot] 头像被修改（通过其他客户端修改了头像）. 在此事件广播前就已经修改完毕.
+ * @see FriendAvatarChangedEvent
+ */
+data class BotAvatarChangedEvent(
+    override val bot: Bot
+) : BotEvent, Packet, AbstractEvent()
+
+// region 图片
+
+// endregion

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/events/friend.kt

@@ -0,0 +1,112 @@
+/*
+ * Copyright 2020 Mamoe Technologies and contributors.
+ *
+ * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ * https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
+@file:JvmMultifileClass
+@file:JvmName("BotEventsKt")
+@file:Suppress("FunctionName")
+
+package net.mamoe.mirai.event.events
+
+import net.mamoe.mirai.Bot
+import net.mamoe.mirai.JavaFriendlyAPI
+import net.mamoe.mirai.contact.Friend
+import net.mamoe.mirai.contact.Group
+import net.mamoe.mirai.contact.User
+import net.mamoe.mirai.event.AbstractEvent
+import net.mamoe.mirai.event.internal.MiraiAtomicBoolean
+import net.mamoe.mirai.qqandroid.network.Packet
+import net.mamoe.mirai.utils.internal.runBlocking
+import kotlin.jvm.*
+
+
+/**
+ * 好友昵称改变事件. 目前仅支持解析 (来自 PC 端的修改).
+ */
+data class FriendRemarkChangeEvent(
+    override val friend: Friend,
+    val newName: String
+) : FriendEvent, Packet, AbstractEvent()
+
+/**
+ * 成功添加了一个新好友的事件
+ */
+data class FriendAddEvent(
+    /**
+     * 新好友. 已经添加到 [Bot.friends]
+     */
+    override val friend: Friend
+) : FriendEvent, Packet, AbstractEvent()
+
+/**
+ * 好友已被删除的事件.
+ */
+data class FriendDeleteEvent(
+    override val friend: Friend
+) : FriendEvent, Packet, AbstractEvent()
+
+/**
+ * 一个账号请求添加机器人为好友的事件
+ */
+data class NewFriendRequestEvent(
+    override val bot: Bot,
+    /**
+     * 事件唯一识别号
+     */
+    val eventId: Long,
+    /**
+     * 申请好友消息
+     */
+    val message: String,
+    /**
+     * 请求人 [User.id]
+     */
+    val fromId: Long,
+    /**
+     * 来自群 [Group.id], 其他途径时为 0
+     */
+    val fromGroupId: Long,
+    /**
+     * 群名片或好友昵称
+     */
+    val fromNick: String
+) : BotEvent, Packet, AbstractEvent() {
+    @JvmField
+    internal val responded: MiraiAtomicBoolean = MiraiAtomicBoolean(false)
+
+    /**
+     * @return 申请人来自的群. 当申请人来自其他途径申请时为 `null`
+     */
+    val fromGroup: Group? = if (fromGroupId == 0L) null else bot.getGroup(fromGroupId)
+
+    @JvmSynthetic
+    suspend fun accept() = bot.acceptNewFriendRequest(this)
+
+    @JvmSynthetic
+    suspend fun reject(blackList: Boolean = false) = bot.rejectNewFriendRequest(this, blackList)
+
+
+    @JavaFriendlyAPI
+    @JvmName("accept")
+    fun __acceptBlockingForJava__() = runBlocking { accept() }
+
+    @JavaFriendlyAPI
+    @JvmOverloads
+    @JvmName("reject")
+    fun __rejectBlockingForJava__(blackList: Boolean = false) =
+        runBlocking { reject(blackList) }
+}
+
+
+/**
+ * [Friend] 头像被修改. 在此事件广播前就已经修改完毕.
+ */
+data class FriendAvatarChangedEvent(
+    override val friend: Friend
+) : FriendEvent, Packet, AbstractEvent()
+

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/events/group.kt

@@ -7,246 +7,27 @@
  * https://github.com/mamoe/mirai/blob/master/LICENSE
  */
 
+@file:JvmMultifileClass
+@file:JvmName("BotEventsKt")
 @file:Suppress("unused", "FunctionName")
-@file:OptIn(MiraiInternalAPI::class)
 
 package net.mamoe.mirai.event.events
 
 import net.mamoe.mirai.Bot
 import net.mamoe.mirai.JavaFriendlyAPI
-import net.mamoe.mirai.contact.*
+import net.mamoe.mirai.contact.Friend
+import net.mamoe.mirai.contact.Group
+import net.mamoe.mirai.contact.Member
+import net.mamoe.mirai.contact.MemberPermission
 import net.mamoe.mirai.event.AbstractEvent
 import net.mamoe.mirai.event.BroadcastControllable
-import net.mamoe.mirai.event.CancellableEvent
-import net.mamoe.mirai.event.events.ImageUploadEvent.Failed
-import net.mamoe.mirai.event.events.ImageUploadEvent.Succeed
 import net.mamoe.mirai.event.internal.MiraiAtomicBoolean
-import net.mamoe.mirai.message.data.Image
-import net.mamoe.mirai.message.data.MessageChain
-import net.mamoe.mirai.message.data.MessageSource
 import net.mamoe.mirai.qqandroid.network.Packet
-import net.mamoe.mirai.utils.ExternalImage
 import net.mamoe.mirai.utils.MiraiExperimentalAPI
-import net.mamoe.mirai.utils.MiraiInternalAPI
 import net.mamoe.mirai.utils.internal.runBlocking
-import kotlin.jvm.JvmField
-import kotlin.jvm.JvmName
-import kotlin.jvm.JvmOverloads
-import kotlin.jvm.JvmSynthetic
+import kotlin.jvm.*
 
 
-@Suppress("unused")
-class EventCancelledException : RuntimeException {
-    constructor() : super()
-    constructor(message: String?) : super(message)
-    constructor(message: String?, cause: Throwable?) : super(message, cause)
-    constructor(cause: Throwable?) : super(cause)
-}
-
-// note: 若你使用 IntelliJ IDEA, 按 alt + 7 可打开结构
-
-
-// region Bot 状态
-
-/**
- * [Bot] 登录完成, 好友列表, 群组列表初始化完成
- */
-data class BotOnlineEvent internal constructor(override val bot: Bot) : BotActiveEvent, AbstractEvent()
-
-/**
- * [Bot] 离线.
- */
-sealed class BotOfflineEvent : BotEvent, AbstractEvent() {
-
-    /**
-     * 主动离线. 主动广播这个事件也可以让 [Bot] 关闭.
-     */
-    data class Active(override val bot: Bot, val cause: Throwable?) : BotOfflineEvent(), BotActiveEvent
-
-    /**
-     * 被挤下线
-     */
-    data class Force internal constructor(override val bot: Bot, val title: String, val message: String) :
-        BotOfflineEvent(), Packet,
-        BotPassiveEvent
-
-    /**
-     * 被服务器断开或因网络问题而掉线
-     */
-    data class Dropped internal constructor(override val bot: Bot, val cause: Throwable?) : BotOfflineEvent(), Packet,
-        BotPassiveEvent
-
-    /**
-     * 服务器主动要求更换另一个服务器
-     */
-    data class RequireReconnect internal constructor(override val bot: Bot) : BotOfflineEvent(), Packet, BotPassiveEvent
-}
-
-/**
- * [Bot] 主动或被动重新登录. 在此事件广播前就已经登录完毕.
- */
-data class BotReloginEvent internal constructor(
-    override val bot: Bot,
-    val cause: Throwable?
-) : BotEvent, BotActiveEvent, AbstractEvent()
-
-/**
- * [Bot] 头像被修改（通过其他客户端修改了头像）. 在此事件广播前就已经修改完毕.
- */
-data class BotAvatarChangedEvent(
-    override val bot: Bot
-) : BotEvent, Packet, AbstractEvent()
-
-/**
- * [Friend] 头像被修改. 在此事件广播前就已经修改完毕.
- */
-data class FriendAvatarChangedEvent(
-    override val friend: Friend
-) : FriendEvent, Packet, AbstractEvent()
-
-// endregion
-
-// region 消息
-
-/**
- * 主动发送消息
- */
-sealed class MessageSendEvent : BotEvent, BotActiveEvent, AbstractEvent() {
-    abstract val target: Contact
-    final override val bot: Bot
-        get() = target.bot
-
-    data class GroupMessageSendEvent(
-        override val target: Group,
-        var message: MessageChain
-    ) : MessageSendEvent(), CancellableEvent
-
-    data class FriendMessageSendEvent(
-        override val target: Friend,
-        var message: MessageChain
-    ) : MessageSendEvent(), CancellableEvent
-
-    // TODO: 2020/4/30 添加临时会话消息发送事件
-}
-
-/**
- * 消息撤回事件. 可是任意消息被任意人撤回.
- */
-sealed class MessageRecallEvent : BotEvent, AbstractEvent() {
-    /**
-     * 消息原发送人
-     */
-    abstract val authorId: Long
-
-    /**
-     * 消息 id.
-     * @see MessageSource.id
-     */
-    abstract val messageId: Int
-
-    /**
-     * 消息内部 id.
-     * @see MessageSource.id
-     */
-    abstract val messageInternalId: Int
-
-    /**
-     * 原发送时间
-     */
-    abstract val messageTime: Int // seconds
-
-    /**
-     * 好友消息撤回事件, 暂不支持.
-     */ // TODO: 2020/4/22 支持好友消息撤回事件的解析和主动广播
-    data class FriendRecall(
-        override val bot: Bot,
-        override val messageId: Int,
-        override val messageInternalId: Int,
-        override val messageTime: Int,
-        /**
-         * 撤回操作人, 可能为 [Bot.id] 或好友的 [User.id]
-         */
-        val operator: Long
-    ) : MessageRecallEvent(), Packet {
-        override val authorId: Long
-            get() = bot.id
-    }
-
-    /**
-     * 群消息撤回事件.
-     */
-    data class GroupRecall(
-        override val bot: Bot,
-        override val authorId: Long,
-        override val messageId: Int,
-        override val messageInternalId: Int,
-        override val messageTime: Int,
-        /**
-         * 操作人. 为 null 时则为 [Bot] 操作.
-         */
-        override val operator: Member?,
-        override val group: Group
-    ) : MessageRecallEvent(), GroupOperableEvent, Packet
-}
-
-val MessageRecallEvent.GroupRecall.author: Member
-    get() = if (authorId == bot.id) group.botAsMember else group[authorId]
-
-val MessageRecallEvent.FriendRecall.isByBot: Boolean get() = this.operator == bot.id
-// val MessageRecallEvent.GroupRecall.isByBot: Boolean get() = (this as GroupOperableEvent).isByBot
-// no need
-
-val MessageRecallEvent.isByBot: Boolean
-    get() = when (this) {
-        is MessageRecallEvent.FriendRecall -> this.isByBot
-        is MessageRecallEvent.GroupRecall -> (this as GroupOperableEvent).isByBot
-    }
-
-// endregion
-
-// region 图片
-
-/**
- * 图片上传前. 可以阻止上传
- */
-data class BeforeImageUploadEvent(
-    val target: Contact,
-    val source: ExternalImage
-) : BotEvent, BotActiveEvent, AbstractEvent(), CancellableEvent {
-    override val bot: Bot
-        get() = target.bot
-}
-
-/**
- * 图片上传完成
- *
- * @see Succeed
- * @see Failed
- */
-sealed class ImageUploadEvent : BotEvent, BotActiveEvent, AbstractEvent() {
-    abstract val target: Contact
-    abstract val source: ExternalImage
-    override val bot: Bot
-        get() = target.bot
-
-    data class Succeed(
-        override val target: Contact,
-        override val source: ExternalImage,
-        val image: Image
-    ) : ImageUploadEvent()
-
-    data class Failed(
-        override val target: Contact,
-        override val source: ExternalImage,
-        val errno: Int,
-        val message: String
-    ) : ImageUploadEvent()
-}
-
-// endregion
-
-// region 群
-
 /**
  * 机器人被踢出群或在其他客户端主动退出一个群. 在事件广播前 [Bot.groups] 就已删除这个群.
  */
@@ -460,7 +241,7 @@ sealed class MemberLeaveEvent : GroupMemberEvent, AbstractEvent() {
 /**
  * [Bot] 被邀请加入一个群.
  */
-data class BotInvitedJoinGroupRequestEvent(
+data class BotInvitedJoinGroupRequestEvent internal constructor(
     override val bot: Bot,
     /**
      * 事件唯一识别号
@@ -502,7 +283,7 @@ data class BotInvitedJoinGroupRequestEvent(
 /**
  * 一个账号请求加入群事件, [Bot] 在此群中是管理员或群主.
  */
-data class MemberJoinRequestEvent(
+data class MemberJoinRequestEvent internal constructor(
     override val bot: Bot,
     /**
      * 事件唯一识别号
@@ -649,86 +430,3 @@ data class MemberUnmuteEvent(
 // endregion
 
 // endregion
-
-// endregion
-
-// region 好友
-
-/**
- * 好友昵称改变事件. 目前仅支持解析 (来自 PC 端的修改).
- */
-data class FriendRemarkChangeEvent(
-    override val friend: Friend,
-    val newName: String
-) : FriendEvent, Packet, AbstractEvent()
-
-/**
- * 成功添加了一个新好友的事件
- */
-data class FriendAddEvent(
-    /**
-     * 新好友. 已经添加到 [Bot.friends]
-     */
-    override val friend: Friend
-) : FriendEvent, Packet, AbstractEvent()
-
-/**
- * 好友已被删除的事件.
- */
-data class FriendDeleteEvent(
-    override val friend: Friend
-) : FriendEvent, Packet, AbstractEvent()
-
-/**
- * 一个账号请求添加机器人为好友的事件
- */
-data class NewFriendRequestEvent(
-    override val bot: Bot,
-    /**
-     * 事件唯一识别号
-     */
-    val eventId: Long,
-    /**
-     * 申请好友消息
-     */
-    val message: String,
-    /**
-     * 请求人 [User.id]
-     */
-    val fromId: Long,
-    /**
-     * 来自群 [Group.id], 其他途径时为 0
-     */
-    val fromGroupId: Long,
-    /**
-     * 群名片或好友昵称
-     */
-    val fromNick: String
-) : BotEvent, Packet, AbstractEvent() {
-    @JvmField
-    internal val responded: MiraiAtomicBoolean = MiraiAtomicBoolean(false)
-
-    /**
-     * @return 申请人来自的群. 当申请人来自其他途径申请时为 `null`
-     */
-    val fromGroup: Group? = if (fromGroupId == 0L) null else bot.getGroup(fromGroupId)
-
-    @JvmSynthetic
-    suspend fun accept() = bot.acceptNewFriendRequest(this)
-
-    @JvmSynthetic
-    suspend fun reject(blackList: Boolean = false) = bot.rejectNewFriendRequest(this, blackList)
-
-
-    @JavaFriendlyAPI
-    @JvmName("accept")
-    fun __acceptBlockingForJava__() = runBlocking { accept() }
-
-    @JavaFriendlyAPI
-    @JvmOverloads
-    @JvmName("reject")
-    fun __rejectBlockingForJava__(blackList: Boolean = false) =
-        runBlocking { reject(blackList) }
-}
-
-// endregion 好友

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/events/message.kt

@@ -0,0 +1,162 @@
+/*
+ * Copyright 2020 Mamoe Technologies and contributors.
+ *
+ * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ * https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
+@file:JvmMultifileClass
+@file:JvmName("BotEventsKt")
+@file:Suppress("unused")
+
+package net.mamoe.mirai.event.events
+
+import net.mamoe.mirai.Bot
+import net.mamoe.mirai.contact.*
+import net.mamoe.mirai.event.AbstractEvent
+import net.mamoe.mirai.event.CancellableEvent
+import net.mamoe.mirai.event.events.ImageUploadEvent.Failed
+import net.mamoe.mirai.event.events.ImageUploadEvent.Succeed
+import net.mamoe.mirai.message.data.Image
+import net.mamoe.mirai.message.data.MessageChain
+import net.mamoe.mirai.message.data.MessageSource
+import net.mamoe.mirai.qqandroid.network.Packet
+import net.mamoe.mirai.utils.ExternalImage
+import kotlin.jvm.JvmMultifileClass
+import kotlin.jvm.JvmName
+
+
+/**
+ * 主动发送消息
+ */
+sealed class MessageSendEvent : BotEvent, BotActiveEvent, AbstractEvent() {
+    abstract val target: Contact
+    final override val bot: Bot
+        get() = target.bot
+
+    data class GroupMessageSendEvent(
+        override val target: Group,
+        var message: MessageChain
+    ) : MessageSendEvent(), CancellableEvent
+
+    data class FriendMessageSendEvent(
+        override val target: Friend,
+        var message: MessageChain
+    ) : MessageSendEvent(), CancellableEvent
+
+    // TODO: 2020/4/30 添加临时会话消息发送事件
+}
+
+/**
+ * 消息撤回事件. 可是任意消息被任意人撤回.
+ */
+sealed class MessageRecallEvent : BotEvent, AbstractEvent() {
+    /**
+     * 消息原发送人
+     */
+    abstract val authorId: Long
+
+    /**
+     * 消息 id.
+     * @see MessageSource.id
+     */
+    abstract val messageId: Int
+
+    /**
+     * 消息内部 id.
+     * @see MessageSource.id
+     */
+    abstract val messageInternalId: Int
+
+    /**
+     * 原发送时间
+     */
+    abstract val messageTime: Int // seconds
+
+    /**
+     * 好友消息撤回事件, 暂不支持.
+     */ // TODO: 2020/4/22 支持好友消息撤回事件的解析和主动广播
+    data class FriendRecall(
+        override val bot: Bot,
+        override val messageId: Int,
+        override val messageInternalId: Int,
+        override val messageTime: Int,
+        /**
+         * 撤回操作人, 可能为 [Bot.id] 或好友的 [User.id]
+         */
+        val operator: Long
+    ) : MessageRecallEvent(), Packet {
+        override val authorId: Long
+            get() = bot.id
+    }
+
+    /**
+     * 群消息撤回事件.
+     */
+    data class GroupRecall(
+        override val bot: Bot,
+        override val authorId: Long,
+        override val messageId: Int,
+        override val messageInternalId: Int,
+        override val messageTime: Int,
+        /**
+         * 操作人. 为 null 时则为 [Bot] 操作.
+         */
+        override val operator: Member?,
+        override val group: Group
+    ) : MessageRecallEvent(), GroupOperableEvent, Packet
+}
+
+val MessageRecallEvent.GroupRecall.author: Member
+    get() = if (authorId == bot.id) group.botAsMember else group[authorId]
+
+val MessageRecallEvent.FriendRecall.isByBot: Boolean get() = this.operator == bot.id
+// val MessageRecallEvent.GroupRecall.isByBot: Boolean get() = (this as GroupOperableEvent).isByBot
+// no need
+
+val MessageRecallEvent.isByBot: Boolean
+    get() = when (this) {
+        is MessageRecallEvent.FriendRecall -> this.isByBot
+        is MessageRecallEvent.GroupRecall -> (this as GroupOperableEvent).isByBot
+    }
+
+
+/**
+ * 图片上传前. 可以阻止上传
+ */
+data class BeforeImageUploadEvent(
+    val target: Contact,
+    val source: ExternalImage
+) : BotEvent, BotActiveEvent, AbstractEvent(), CancellableEvent {
+    override val bot: Bot
+        get() = target.bot
+}
+
+/**
+ * 图片上传完成
+ *
+ * @see Succeed
+ * @see Failed
+ */
+sealed class ImageUploadEvent : BotEvent, BotActiveEvent, AbstractEvent() {
+    abstract val target: Contact
+    abstract val source: ExternalImage
+    override val bot: Bot
+        get() = target.bot
+
+    data class Succeed(
+        override val target: Contact,
+        override val source: ExternalImage,
+        val image: Image
+    ) : ImageUploadEvent()
+
+    data class Failed(
+        override val target: Contact,
+        override val source: ExternalImage,
+        val errno: Int,
+        val message: String
+    ) : ImageUploadEvent()
+}
+

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/events/types.kt

@@ -68,8 +68,6 @@ interface GroupOperableEvent : GroupEvent {
 /**
  * 是否由 [Bot] 操作
  */
-@Suppress("INVISIBLE_REFERENCE", "INVISIBLE_MEMBER")
-@kotlin.internal.HidesMembers // necessary until 1.0.0
 val GroupOperableEvent.isByBot: Boolean
     get() = operator == null