ipc/attachment_broker_unprivileged.h

   1 // Copyright 2015 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 IPC_ATTACHMENT_BROKER_UNPRIVILEGED_H_
   6 #define IPC_ATTACHMENT_BROKER_UNPRIVILEGED_H_
   7
   8 #include "ipc/attachment_broker.h"
   9 #include "ipc/ipc_export.h"
  10
  11 namespace IPC {
  12
  13 class Channel;
  14 class ChannelProxy;
  15 class Sender;
  16
  17 // This abstract subclass of AttachmentBroker is intended for use in
  18 // non-privileged processes.
  19 class IPC_EXPORT AttachmentBrokerUnprivileged : public IPC::AttachmentBroker {
  20  public:
  21   AttachmentBrokerUnprivileged();
  22   ~AttachmentBrokerUnprivileged() override;
  23
  24   // In each unprivileged process, exactly one channel should be used to
  25   // communicate brokerable attachments with the broker process.
  26   void DesignateBrokerCommunicationChannel(IPC::Channel* channel);
  27   void DesignateBrokerCommunicationChannel(IPC::ChannelProxy* proxy);
  28
  29  protected:
  30   IPC::Sender* get_sender() { return sender_; }
  31
  32  private:
  33   // |sender_| is used to send Messages to the privileged broker process.
  34   // |sender_| must live at least as long as this instance.
  35   IPC::Sender* sender_;
  36   DISALLOW_COPY_AND_ASSIGN(AttachmentBrokerUnprivileged);
  37 };
  38
  39 }  // namespace IPC
  40
  41 #endif  // IPC_ATTACHMENT_BROKER_UNPRIVILEGED_H_