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 "mojo/shell/application_manager.h"
   8
   9 namespace mojo {
  10 namespace shell {
  11
  12 ContentHandlerConnection::ContentHandlerConnection(
  13     ApplicationManager* manager,
  14     const GURL& content_handler_url,
  15     const GURL& requestor_url,
  16     const std::string& qualifier)
  17     : manager_(manager),
  18       content_handler_url_(content_handler_url),
  19       content_handler_qualifier_(qualifier),
  20       connection_closed_(false) {
  21   ServiceProviderPtr services;
  22   mojo::URLRequestPtr request(mojo::URLRequest::New());
  23   request->url = mojo::String::From(content_handler_url.spec());
  24   // TODO(beng): Need to figure out how to deal with originator and
  25   //             CapabilityFilter here.
  26   manager->ConnectToApplication(
  27       nullptr, request.Pass(), qualifier, requestor_url, GetProxy(&services),
  28       nullptr, nullptr, base::Closure());
  29   MessagePipe pipe;
  30   content_handler_.Bind(
  31       InterfacePtrInfo<ContentHandler>(pipe.handle0.Pass(), 0u));
  32   services->ConnectToService(ContentHandler::Name_, pipe.handle1.Pass());
  33   content_handler_.set_connection_error_handler(
  34       [this]() { CloseConnection(); });
  35 }
  36
  37 void ContentHandlerConnection::CloseConnection() {
  38   if (connection_closed_)
  39     return;
  40   connection_closed_ = true;
  41   manager_->OnContentHandlerConnectionClosed(this);
  42   delete this;
  43 }
  44
  45 ContentHandlerConnection::~ContentHandlerConnection() {
  46   // If this DCHECK fails then something has tried to delete this object without
  47   // calling CloseConnection.
  48   DCHECK(connection_closed_);
  49 }
  50
  51 }  // namespace shell
  52 }  // namespace mojo