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// Copyright 2016 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/public/cpp/lib/connector_impl.h"
#include "mojo/shell/public/cpp/identity.h"
#include "mojo/shell/public/cpp/lib/connection_impl.h"
namespace mojo {
Connector::ConnectParams::ConnectParams(const Identity& target)
: target_(target) {}
Connector::ConnectParams::ConnectParams(const std::string& name)
: target_(name, shell::mojom::kInheritUserID) {}
Connector::ConnectParams::~ConnectParams() {}
ConnectorImpl::ConnectorImpl(shell::mojom::ConnectorPtrInfo unbound_state)
: unbound_state_(std::move(unbound_state)) {}
ConnectorImpl::ConnectorImpl(shell::mojom::ConnectorPtr connector)
: connector_(std::move(connector)) {
thread_checker_.reset(new base::ThreadChecker);
}
ConnectorImpl::~ConnectorImpl() {}
scoped_ptr<Connection> ConnectorImpl::Connect(const std::string& name) {
ConnectParams params(name);
return Connect(¶ms);
}
scoped_ptr<Connection> ConnectorImpl::Connect(ConnectParams* params) {
// Bind this object to the current thread the first time it is used to
// connect.
if (!connector_.is_bound()) {
if (!unbound_state_.is_valid()) {
// It's possible to get here when the link to the shell has been severed
// (and so the connector pipe has been closed) but the app has chosen not
// to quit.
return nullptr;
}
connector_.Bind(std::move(unbound_state_));
thread_checker_.reset(new base::ThreadChecker);
}
DCHECK(thread_checker_->CalledOnValidThread());
DCHECK(params);
// We allow all interfaces on outgoing connections since we are presumably in
// a position to know who we're talking to.
// TODO(beng): We should filter outgoing interfaces also. The shell must pass
// the manifest CapabilityFilter to the ShellConnection via
// Initialize(), it can be used here.
CapabilityRequest request;
request.interfaces.insert("*");
shell::mojom::InterfaceProviderPtr local_interfaces;
shell::mojom::InterfaceProviderRequest local_request =
GetProxy(&local_interfaces);
shell::mojom::InterfaceProviderPtr remote_interfaces;
shell::mojom::InterfaceProviderRequest remote_request =
GetProxy(&remote_interfaces);
scoped_ptr<internal::ConnectionImpl> registry(new internal::ConnectionImpl(
params->target().name(), params->target(),
shell::mojom::kInvalidInstanceID, std::move(remote_interfaces),
std::move(local_request), request, Connection::State::PENDING));
shell::mojom::ShellClientFactoryPtr shell_client_factory;
shell::mojom::PIDReceiverRequest pid_receiver_request;
params->TakeClientProcessConnection(&shell_client_factory,
&pid_receiver_request);
shell::mojom::ClientProcessConnectionPtr client_process_connection;
if (shell_client_factory.is_bound() && pid_receiver_request.is_pending()) {
client_process_connection = shell::mojom::ClientProcessConnection::New();
client_process_connection->shell_client_factory =
shell_client_factory.PassInterface().PassHandle();
client_process_connection->pid_receiver_request =
pid_receiver_request.PassMessagePipe();
} else if (shell_client_factory.is_bound() ||
pid_receiver_request.is_pending()) {
NOTREACHED() << "If one of shell_client_factory or pid_receiver_request is"
<< "valid, both must be valid.";
return std::move(registry);
}
connector_->Connect(
shell::mojom::Identity::From(params->target()),
std::move(remote_request), std::move(local_interfaces),
std::move(client_process_connection), registry->GetConnectCallback());
return std::move(registry);
}
scoped_ptr<Connector> ConnectorImpl::Clone() {
shell::mojom::ConnectorPtr connector;
connector_->Clone(GetProxy(&connector));
return make_scoped_ptr(
new ConnectorImpl(connector.PassInterface()));
}
} // namespace mojo
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