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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "mojo/shell/package_manager/content_handler_connection.h"
#include <stdint.h>
#include <utility>
#include "base/bind.h"
#include "base/memory/scoped_ptr.h"
#include "mojo/shell/application_manager.h"
#include "mojo/shell/connect_to_application_params.h"
#include "mojo/shell/identity.h"
namespace mojo {
namespace shell {
ContentHandlerConnection::ContentHandlerConnection(
ApplicationManager* manager,
const Identity& source,
const Identity& content_handler,
uint32_t id,
const ClosedCallback& connection_closed_callback)
: connection_closed_callback_(connection_closed_callback),
identity_(content_handler),
connection_closed_(false),
id_(id),
ref_count_(0) {
ServiceProviderPtr services;
scoped_ptr<ConnectToApplicationParams> params(new ConnectToApplicationParams);
params->set_source(source);
params->SetTarget(identity_);
params->set_services(GetProxy(&services));
manager->ConnectToApplication(std::move(params));
MessagePipe pipe;
content_handler_.Bind(
InterfacePtrInfo<mojom::ContentHandler>(std::move(pipe.handle0), 0u));
services->ConnectToService(mojom::ContentHandler::Name_,
std::move(pipe.handle1));
content_handler_.set_connection_error_handler(
[this]() { CloseConnection(); });
}
void ContentHandlerConnection::StartApplication(
InterfaceRequest<mojom::Application> request,
URLResponsePtr response) {
content_handler_->StartApplication(
std::move(request), std::move(response),
base::Bind(&ContentHandlerConnection::ApplicationDestructed,
base::Unretained(this)));
ref_count_++;
}
void ContentHandlerConnection::CloseConnection() {
if (connection_closed_)
return;
connection_closed_ = true;
connection_closed_callback_.Run(this);
delete this;
}
ContentHandlerConnection::~ContentHandlerConnection() {
// If this DCHECK fails then something has tried to delete this object without
// calling CloseConnection.
DCHECK(connection_closed_);
}
void ContentHandlerConnection::ApplicationDestructed() {
if (!--ref_count_)
CloseConnection();
}
} // namespace shell
} // namespace mojo
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