components/devtools_service/devtools_agent_host.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 "components/devtools_service/devtools_agent_host.h"
   6
   7 #include "base/guid.h"
   8 #include "base/logging.h"
   9
  10 namespace devtools_service {
  11
  12 DevToolsAgentHost::DevToolsAgentHost(DevToolsAgentPtr agent)
  13     : id_(base::GenerateGUID()),
  14       agent_(agent.Pass()),
  15       binding_(this),
  16       delegate_(nullptr) {
  17   agent_.set_error_handler(this);
  18 }
  19
  20 DevToolsAgentHost::~DevToolsAgentHost() {
  21   if (delegate_)
  22     delegate_->OnAgentHostClosed(this);
  23 }
  24
  25 void DevToolsAgentHost::SetDelegate(Delegate* delegate) {
  26   delegate_ = delegate;
  27   if (delegate_) {
  28     if (binding_.is_bound())
  29       return;
  30
  31     DevToolsAgentClientPtr client;
  32     binding_.Bind(&client);
  33     agent_->SetClient(client.Pass(), id_);
  34   } else {
  35     if (!binding_.is_bound())
  36       return;
  37
  38     binding_.Close();
  39   }
  40 }
  41
  42 void DevToolsAgentHost::SendProtocolMessageToAgent(const std::string& message) {
  43   agent_->DispatchProtocolMessage(message);
  44 }
  45
  46 void DevToolsAgentHost::DispatchProtocolMessage(const mojo::String& message) {
  47   delegate_->DispatchProtocolMessage(this, message);
  48 }
  49
  50 void DevToolsAgentHost::OnConnectionError() {
  51   agent_connection_error_handler_.Run();
  52 }
  53
  54 }  // namespace devtools_service