content/renderer/pepper/ppb_broker_impl.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 CONTENT_RENDERER_PEPPER_PPB_BROKER_IMPL_H_
   6 #define CONTENT_RENDERER_PEPPER_PPB_BROKER_IMPL_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "base/process/process.h"
  12 #include "ipc/ipc_listener.h"
  13 #include "ppapi/c/pp_completion_callback.h"
  14 #include "ppapi/c/trusted/ppb_broker_trusted.h"
  15 #include "ppapi/shared_impl/resource.h"
  16 #include "ppapi/shared_impl/tracked_callback.h"
  17 #include "ppapi/thunk/ppb_broker_api.h"
  18
  19 class GURL;
  20
  21 namespace IPC {
  22 struct ChannelHandle;
  23 }
  24
  25 namespace content {
  26 class PepperBroker;
  27
  28 class PPB_Broker_Impl : public ppapi::Resource,
  29                         public ppapi::thunk::PPB_Broker_API,
  30                         public IPC::Listener,
  31                         public base::SupportsWeakPtr<PPB_Broker_Impl> {
  32  public:
  33   explicit PPB_Broker_Impl(PP_Instance instance);
  34
  35   // Resource override.
  36   ppapi::thunk::PPB_Broker_API* AsPPB_Broker_API() override;
  37
  38   // PPB_BrokerTrusted implementation.
  39   int32_t Connect(
  40       scoped_refptr<ppapi::TrackedCallback> connect_callback) override;
  41   int32_t GetHandle(int32_t* handle) override;
  42
  43   // Returns the URL of the document this plugin runs in. This is necessary to
  44   // decide whether to grant access to the PPAPI broker.
  45   GURL GetDocumentUrl();
  46
  47   void BrokerConnected(int32_t handle, int32_t result);
  48
  49  private:
  50   ~PPB_Broker_Impl() override;
  51
  52   // IPC::Listener implementation.
  53   bool OnMessageReceived(const IPC::Message& message) override;
  54
  55   void OnPpapiBrokerChannelCreated(base::ProcessId broker_pid,
  56                                    const IPC::ChannelHandle& handle);
  57   void OnPpapiBrokerPermissionResult(bool result);
  58
  59   // PluginDelegate ppapi broker object.
  60   // We don't own this pointer but are responsible for calling Disconnect on it.
  61   PepperBroker* broker_;
  62
  63   // Callback invoked from BrokerConnected.
  64   scoped_refptr<ppapi::TrackedCallback> connect_callback_;
  65
  66   // Pipe handle for the plugin instance to use to communicate with the broker.
  67   // Never owned by this object.
  68   int32_t pipe_handle_;
  69
  70   int routing_id_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(PPB_Broker_Impl);
  73 };
  74
  75 }  // namespace content
  76
  77 #endif  // CONTENT_RENDERER_PEPPER_PPB_BROKER_IMPL_H_