ipc/mojo/ipc_mojo_param_traits.cc

   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 #include "ipc/mojo/ipc_mojo_param_traits.h"
   6
   7 #include "ipc/ipc_message_utils.h"
   8 #include "ipc/mojo/ipc_mojo_message_helper.h"
   9
  10 namespace IPC {
  11
  12 void ParamTraits<mojo::MessagePipeHandle>::Write(Message* m,
  13                                                  const param_type& p) {
  14   WriteParam(m, p.is_valid());
  15   if (p.is_valid())
  16     MojoMessageHelper::WriteMessagePipeTo(m, mojo::ScopedMessagePipeHandle(p));
  17 }
  18
  19 bool ParamTraits<mojo::MessagePipeHandle>::Read(const Message* m,
  20                                                 PickleIterator* iter,
  21                                                 param_type* r) {
  22   bool is_valid;
  23   if (!ReadParam(m, iter, &is_valid))
  24     return false;
  25   if (!is_valid)
  26     return true;
  27
  28   mojo::ScopedMessagePipeHandle handle;
  29   if (!MojoMessageHelper::ReadMessagePipeFrom(m, iter, &handle))
  30     return false;
  31   DCHECK(handle.is_valid());
  32   *r = handle.release();
  33   return true;
  34 }
  35
  36 void ParamTraits<mojo::MessagePipeHandle>::Log(const param_type& p,
  37                                                std::string* l) {
  38   l->append("mojo::MessagePipeHandle(");
  39   LogParam(p.value(), l);
  40   l->append(")");
  41 }
  42
  43 }  // namespace IPC