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72 lines
2.4 KiB
Dart
72 lines
2.4 KiB
Dart
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import "package:mojo/public/dart/application.dart";
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import "dart:sky.internals" as internals;
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import "package:mojo/public/dart/bindings.dart" as bindings;
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import "package:mojo/public/dart/core.dart" as core;
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import "package:mojom/mojo/service_provider.mojom.dart";
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import "package:mojom/mojo/shell.mojom.dart";
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import "package:mojom/mojo/service_registry.mojom.dart";
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final _EmbedderImpl embedder = new _EmbedderImpl();
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class _EmbedderImpl {
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ApplicationConnection _connection;
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ServiceRegistryProxy _serviceRegistry;
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ShellProxy _shell;
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bool _internalsHasNoShell = false;
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ShellProxy get shell {
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if (_internalsHasNoShell || _shell != null) return _shell;
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try {
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_shell = new ShellProxy.fromHandle(
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new core.MojoHandle(internals.takeShellProxyHandle()));
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} catch (e) {
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_internalsHasNoShell = true;
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}
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return _shell;
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}
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ApplicationConnection get connection {
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if (_connection == null) {
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var stubHandle =
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new core.MojoHandle(internals.takeServicesProvidedToEmbedder());
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var proxyHandle =
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new core.MojoHandle(internals.takeServicesProvidedByEmbedder());
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_connection = new ApplicationConnection(stubHandle.isValid
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? new ServiceProviderStub.fromHandle(stubHandle)
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: null, proxyHandle.isValid
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? new ServiceProviderProxy.fromHandle(proxyHandle)
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: null);
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}
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return _connection;
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}
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ApplicationConnection connectToApplication(String url) {
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var proxy = new ServiceProviderProxy.unbound();
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var stub = new ServiceProviderStub.unbound();
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shell.ptr.connectToApplication(url, proxy, stub);
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return new ApplicationConnection(stub, proxy);
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}
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void connectToService(String url, bindings.ProxyBase proxy) {
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var appSp = new ServiceProviderProxy.unbound();
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shell.ptr.connectToApplication(url, appSp, null);
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var pipe = new core.MojoMessagePipe();
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proxy.impl.bind(pipe.endpoints[0]);
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appSp.ptr.connectToService(proxy.name, pipe.endpoints[1]);
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appSp.close();
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}
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ServiceRegistryProxy get serviceRegistry {
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if (_serviceRegistry == null) {
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_serviceRegistry = new ServiceRegistryProxy.fromHandle(
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new core.MojoHandle(internals.takeServiceRegistry()));
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}
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return _serviceRegistry;
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}
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}
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