ppapi/proxy/broker_dispatcher.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef PPAPI_PROXY_BROKER_DISPATCHER_H_
   6 #define PPAPI_PROXY_BROKER_DISPATCHER_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "ppapi/c/trusted/ppp_broker.h"
  10 #include "ppapi/proxy/proxy_channel.h"
  11
  12 namespace ppapi {
  13 namespace proxy {
  14
  15 class PPAPI_PROXY_EXPORT BrokerDispatcher : public ProxyChannel {
  16  public:
  17   ~BrokerDispatcher() override;
  18
  19   // You must call this function before anything else. Returns true on success.
  20   // The delegate pointer must outlive this class, ownership is not
  21   // transferred.
  22   virtual bool InitBrokerWithChannel(ProxyChannel::Delegate* delegate,
  23                                      base::ProcessId peer_pid,
  24                                      const IPC::ChannelHandle& channel_handle,
  25                                      bool is_client);
  26
  27   // IPC::Listener implementation.
  28   bool OnMessageReceived(const IPC::Message& msg) override;
  29
  30  protected:
  31   // You must call InitBrokerWithChannel after the constructor.
  32   explicit BrokerDispatcher(PP_ConnectInstance_Func connect_instance);
  33
  34   void OnMsgConnectToPlugin(PP_Instance instance,
  35                             IPC::PlatformFileForTransit handle,
  36                             int32_t* result);
  37
  38   PP_ConnectInstance_Func connect_instance_;
  39
  40  private:
  41   DISALLOW_COPY_AND_ASSIGN(BrokerDispatcher);
  42 };
  43
  44 // The dispatcher for the browser side of the broker channel.
  45 class PPAPI_PROXY_EXPORT BrokerHostDispatcher : public BrokerDispatcher {
  46  public:
  47   BrokerHostDispatcher();
  48
  49   // IPC::Listener implementation.
  50   void OnChannelError() override;
  51 };
  52
  53 // The dispatcher for the broker side of the broker channel.
  54 class PPAPI_PROXY_EXPORT BrokerSideDispatcher : public BrokerDispatcher {
  55  public:
  56   explicit BrokerSideDispatcher(PP_ConnectInstance_Func connect_instance);
  57
  58   // IPC::Listener implementation.
  59   void OnChannelError() override;
  60 };
  61
  62 }  // namespace proxy
  63 }  // namespace ppapi
  64
  65 #endif  // PPAPI_PROXY_BROKER_DISPATCHER_H_