BroadcastClass.puml

@startuml

note as N1
类说明：
ReceiverDispatcher、InnerReceiver都是静态内部类
LoadedApk.ReceiverDispatcher.InnerReceiver 是个Bn端

Client注册广播接收器时，创建了InnerReceiver对象，并传递给
system_server进程中的AMS服务。

当其他应用向该应用发送广播时，AMS匹配到要发送给本应用后，就
通过内核binder驱动回调InnerReceiver对象的方法
endnote

class LoadedApk {
- ArrayMap mReceivers;
}

interface IIntentReceiver {
+ void performReceive()
}

class IIntentReceiver$Stub {
+ void performReceive()
}

class LoadedApk$ReceiverDispatcher$InnerReceiver {
- mDispatcher;
+ void performReceive()
}

class LoadedApk$ReceiverDispatcher {
- mIIntentReceiver
}

LoadedApk *-- LoadedApk$ReceiverDispatcher
IIntentReceiver <|-- IIntentReceiver$Stub
IIntentReceiver$Stub <|-- LoadedApk$ReceiverDispatcher$InnerReceiver
LoadedApk$ReceiverDispatcher$InnerReceiver *-- LoadedApk$ReceiverDispatcher

LoadedApk$ReceiverDispatcher *-- LoadedApk$ReceiverDispatcher$InnerReceiver

class ProxyIIntentReceiver {
- IIntentReceiver old;
+ void performReceive()
}

note top of ProxyIIntentReceiver
该类位于RegisterReceiver类，它是VA的hook类，
用于hook IActivityManage的registerReceiver的方法，

ProxyIIntentReceiver类采用静态代理的方式替换
registerReceiver方法中的IIntentReceiver Stub对象
endnote

IIntentReceiver$Stub <|-- ProxyIIntentReceiver
ProxyIIntentReceiver *-- LoadedApk$ReceiverDispatcher$InnerReceiver

@enduml