ppapi/proxy/interface_proxy.h

   1 // Copyright (c) 2011 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_INTERFACE_PROXY_H_
   6 #define PPAPI_PROXY_INTERFACE_PROXY_H_
   7
   8 #include "base/basictypes.h"
   9 #include "ipc/ipc_listener.h"
  10 #include "ipc/ipc_sender.h"
  11 #include "ppapi/c/pp_completion_callback.h"
  12 #include "ppapi/c/pp_resource.h"
  13 #include "ppapi/c/pp_var.h"
  14 #include "ppapi/shared_impl/api_id.h"
  15
  16 namespace ppapi {
  17 namespace proxy {
  18
  19 class Dispatcher;
  20
  21 class InterfaceProxy : public IPC::Listener, public IPC::Sender {
  22  public:
  23   // Factory function type for interfaces. Ownership of the returned pointer
  24   // is transferred to the caller.
  25   typedef InterfaceProxy* (*Factory)(Dispatcher* dispatcher);
  26
  27   // DEPRECATED: New classes should be registered directly in the interface
  28   // list. This is kept around until we convert all the existing code.
  29   //
  30   // Information about the interface. Each interface has a static function to
  31   // return its info, which allows either construction on the target side, and
  32   // getting the proxied interface on the source side (see dispatcher.h for
  33   // terminology).
  34   struct Info {
  35     const void* interface_ptr;
  36
  37     const char* name;
  38     ApiID id;
  39
  40     bool is_trusted;
  41
  42     InterfaceProxy::Factory create_proxy;
  43   };
  44
  45   virtual ~InterfaceProxy();
  46
  47   Dispatcher* dispatcher() const { return dispatcher_; }
  48
  49   // IPC::Sender implementation.
  50   virtual bool Send(IPC::Message* msg);
  51
  52   // Sub-classes must implement IPC::Listener which contains this:
  53   //virtual bool OnMessageReceived(const IPC::Message& msg);
  54
  55  protected:
  56   // Creates the given interface associated with the given dispatcher. The
  57   // dispatcher manages our lifetime.
  58   InterfaceProxy(Dispatcher* dispatcher);
  59
  60  private:
  61   Dispatcher* dispatcher_;
  62 };
  63
  64 }  // namespace proxy
  65 }  // namespace ppapi
  66
  67 #endif  // PPAPI_PROXY_INTERFACE_PROXY_H_
  68