mojo/shell/content_handler_connection.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 "mojo/shell/content_handler_connection.h"
   6
   7 #include "base/memory/scoped_ptr.h"
   8 #include "mojo/shell/application_manager.h"
   9 #include "mojo/shell/connect_to_application_params.h"
  10 #include "mojo/shell/identity.h"
  11
  12 namespace mojo {
  13 namespace shell {
  14
  15 ContentHandlerConnection::ContentHandlerConnection(
  16     ApplicationManager* manager,
  17     const Identity& originator_identity,
  18     const CapabilityFilter& originator_filter,
  19     const GURL& content_handler_url,
  20     const std::string& qualifier,
  21     const CapabilityFilter& filter,
  22     uint32_t id)
  23     : manager_(manager),
  24       content_handler_url_(content_handler_url),
  25       content_handler_qualifier_(qualifier),
  26       connection_closed_(false),
  27       id_(id) {
  28   ServiceProviderPtr services;
  29
  30   scoped_ptr<ConnectToApplicationParams> params(new ConnectToApplicationParams);
  31   params->set_originator_identity(originator_identity);
  32   params->set_originator_filter(originator_filter);
  33   params->SetURLInfo(content_handler_url);
  34   params->set_qualifier(qualifier);
  35   params->set_services(GetProxy(&services));
  36   params->set_filter(filter);
  37
  38   manager->ConnectToApplication(params.Pass());
  39
  40   MessagePipe pipe;
  41   content_handler_.Bind(
  42       InterfacePtrInfo<ContentHandler>(pipe.handle0.Pass(), 0u));
  43   services->ConnectToService(ContentHandler::Name_, pipe.handle1.Pass());
  44   content_handler_.set_connection_error_handler(
  45       [this]() { CloseConnection(); });
  46 }
  47
  48 void ContentHandlerConnection::CloseConnection() {
  49   if (connection_closed_)
  50     return;
  51   connection_closed_ = true;
  52   manager_->OnContentHandlerConnectionClosed(this);
  53   delete this;
  54 }
  55
  56 ContentHandlerConnection::~ContentHandlerConnection() {
  57   // If this DCHECK fails then something has tried to delete this object without
  58   // calling CloseConnection.
  59   DCHECK(connection_closed_);
  60 }
  61
  62 }  // namespace shell
  63 }  // namespace mojo