naiveproxy/services/service_manager/public/interfaces/interface_provider_spec.mojom

// 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.

module service_manager.mojom;

// Defines a set of Mojo interfaces. The string value is the fully qualified
// name of the interface in the form "module::path::InterfaceName". We don't
// represent this as a bare array in-situ in mojom because we rely on type maps
// to generate a set container in C++ which is unavailable for a bare array.
struct InterfaceSet {
  array<string> interfaces;
};

// Defines a set of capability names. A "capability" can be a collection of Mojo
// interface names, or just some control bit that affects behavior in the
// service that provides it. See note above about not just using a bare array.
struct CapabilitySet {
  array<string> capabilities;
};

// An InterfaceProviderSpec is the static definition of a collection of
// capabilities that a service provides to other services and a collection of
// capabilities that it requires from other services.
struct InterfaceProviderSpec {
  // The capabilities provided by this service, and for each class an array of
  // interfaces. If no interfaces are granted with a capability, the array will
  // be empty.
  // A map of class name -> array of interfaces. The array can be empty,
  // non-empty, or ["*"], which means allow access to all interfaces.
  map<string, InterfaceSet> provides;

  // The services this service needs to speak to, and the capabilities it
  // requires from each.
  // A map of service name -> collection of required capabilities. "*" is also
  // supported as the key, which supplies a set of capabilities required from
  // all services in addition to specific ones specified.
  map<string, CapabilitySet> requires;
};

// The name of the InterfaceProviderSpec in service manifests used by the
// Service Manager to control capabilities & interfaces exposed between
// services via Connector.
const string kServiceManager_ConnectorSpec = "service_manager:connector";