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     ApplicationInstance* originator,
  14     ApplicationManager* manager,
  15     const GURL& content_handler_url,
  16     const GURL& requestor_url,
  17     const std::string& qualifier,
  18     const CapabilityFilter& filter,
  19     uint32_t id)
  20     : manager_(manager),
  21       content_handler_url_(content_handler_url),
  22       content_handler_qualifier_(qualifier),
  23       connection_closed_(false),
  24       id_(id) {
  25   ServiceProviderPtr services;
  26   mojo::URLRequestPtr request(mojo::URLRequest::New());
  27   request->url = mojo::String::From(content_handler_url.spec());
  28   manager->ConnectToApplication(
  29       originator, request.Pass(), qualifier, requestor_url, GetProxy(&services),
  30       nullptr, filter, base::Closure(), EmptyConnectCallback());
  31   MessagePipe pipe;
  32   content_handler_.Bind(
  33       InterfacePtrInfo<ContentHandler>(pipe.handle0.Pass(), 0u));
  34   services->ConnectToService(ContentHandler::Name_, pipe.handle1.Pass());
  35   content_handler_.set_connection_error_handler(
  36       [this]() { CloseConnection(); });
  37 }
  38
  39 void ContentHandlerConnection::CloseConnection() {
  40   if (connection_closed_)
  41     return;
  42   connection_closed_ = true;
  43   manager_->OnContentHandlerConnectionClosed(this);
  44   delete this;
  45 }
  46
  47 ContentHandlerConnection::~ContentHandlerConnection() {
  48   // If this DCHECK fails then something has tried to delete this object without
  49   // calling CloseConnection.
  50   DCHECK(connection_closed_);
  51 }
  52
  53 }  // namespace shell
  54 }  // namespace mojo