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80b2c1732a
This will ensure that the width of an empty Input is consistent with the width of an Input that contains text. Also add a unit test for the Input widget and a way for tests to provide mock implementations of Mojo services such as the keyboard.
51 lines
1.7 KiB
Dart
51 lines
1.7 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 'dart:sky.internals' as internals;
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import 'package:mojo/application.dart';
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import 'package:mojo/core.dart' as core;
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import 'package:mojo/mojo/service_provider.mojom.dart';
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import 'package:sky/src/services/embedder.dart';
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ApplicationConnection _initConnection() {
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int rawHandle = internals.takeServicesProvidedByEmbedder();
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core.MojoHandle proxyHandle = new core.MojoHandle(rawHandle);
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ServiceProviderProxy serviceProvider = null;
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if (proxyHandle.isValid) serviceProvider =
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new ServiceProviderProxy.fromHandle(proxyHandle);
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return new ApplicationConnection(null, serviceProvider);
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}
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// A replacement for requestService. Implementations should return true
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// if they handled the request, or false if the request should fall through
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// to the default requestService.
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typedef bool OverrideRequestService(String url, Object proxy);
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// Set this to intercept calls to requestService and supply an alternative
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// implementation of a service (for example, a mock for testing).
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OverrideRequestService overrideRequestService;
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class _ShellImpl {
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_ShellImpl._();
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final ApplicationConnection _connection = _initConnection();
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void _requestService(String url, Object proxy) {
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if (embedder.shell == null) _connection.requestService(proxy);
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else embedder.connectToService(url, proxy);
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}
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void requestService(String url, Object proxy) {
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if (overrideRequestService != null) {
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if (overrideRequestService(url, proxy))
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return;
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}
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_requestService(url, proxy);
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}
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}
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final _ShellImpl shell = new _ShellImpl._();
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