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58e84c8bf0
* Re-land "Support multiple shells in a single process. (#4932)" This reverts commit 723c7d01439da4261bc836075fb55651ce9e7f03.
115 lines
4.0 KiB
C++
115 lines
4.0 KiB
C++
// Copyright 2018 The Fuchsia 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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#include "isolate_configurator.h"
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#include "dart-pkg/fuchsia/sdk_ext/fuchsia.h"
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#include "dart-pkg/zircon/sdk_ext/handle.h"
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#include "lib/tonic/converter/dart_converter.h"
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#include "lib/tonic/dart_state.h"
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#include "lib/tonic/logging/dart_error.h"
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#include "lib/ui/flutter/sdk_ext/src/natives.h"
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#include "third_party/dart/runtime/include/dart_api.h"
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namespace flutter {
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IsolateConfigurator::IsolateConfigurator(
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const UniqueFDIONS& fdio_ns,
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mozart::ViewPtr& view,
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component::ApplicationEnvironmentPtr application_environment,
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f1dl::InterfaceRequest<component::ServiceProvider>
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outgoing_services_request)
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: fdio_ns_(fdio_ns),
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view_(view),
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application_environment_(std::move(application_environment)),
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outgoing_services_request_(std::move(outgoing_services_request)) {}
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IsolateConfigurator::~IsolateConfigurator() = default;
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bool IsolateConfigurator::ConfigureCurrentIsolate() {
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if (used_) {
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return false;
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}
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used_ = true;
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BindFuchsia();
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BindZircon();
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BindDartIO();
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BindScenic();
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return true;
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}
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// |mozart::NativesDelegate|
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mozart::View* IsolateConfigurator::GetMozartView() {
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return view_.get();
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}
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void IsolateConfigurator::BindFuchsia() {
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fuchsia::dart::Initialize(application_environment_.Unbind(),
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std::move(outgoing_services_request_));
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}
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void IsolateConfigurator::BindZircon() {
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// Tell dart:zircon about the FDIO namespace configured for this instance.
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Dart_Handle zircon_lib = Dart_LookupLibrary(tonic::ToDart("dart:zircon"));
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DART_CHECK_VALID(zircon_lib);
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Dart_Handle namespace_type =
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Dart_GetType(zircon_lib, tonic::ToDart("_Namespace"), 0, nullptr);
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DART_CHECK_VALID(namespace_type);
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DART_CHECK_VALID(
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Dart_SetField(namespace_type, //
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tonic::ToDart("_namespace"), //
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tonic::ToDart(reinterpret_cast<intptr_t>(fdio_ns_.get()))));
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}
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void IsolateConfigurator::BindDartIO() {
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// Grab the dart:io lib.
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Dart_Handle io_lib = Dart_LookupLibrary(tonic::ToDart("dart:io"));
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DART_CHECK_VALID(io_lib);
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// Disable dart:io exit()
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Dart_Handle embedder_config_type =
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Dart_GetType(io_lib, tonic::ToDart("_EmbedderConfig"), 0, nullptr);
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DART_CHECK_VALID(embedder_config_type);
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DART_CHECK_VALID(Dart_SetField(embedder_config_type,
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tonic::ToDart("_mayExit"), Dart_False()));
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// Tell dart:io about the FDIO namespace configured for this instance.
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Dart_Handle namespace_type =
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Dart_GetType(io_lib, tonic::ToDart("_Namespace"), 0, nullptr);
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DART_CHECK_VALID(namespace_type);
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Dart_Handle namespace_args[] = {
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Dart_NewInteger(reinterpret_cast<intptr_t>(fdio_ns_.get())), //
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};
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DART_CHECK_VALID(namespace_args[0]);
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DART_CHECK_VALID(Dart_Invoke(namespace_type, tonic::ToDart("_setupNamespace"),
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1, namespace_args));
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}
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void IsolateConfigurator::BindScenic() {
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Dart_Handle mozart_internal =
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Dart_LookupLibrary(tonic::ToDart("dart:mozart.internal"));
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DART_CHECK_VALID(mozart_internal);
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DART_CHECK_VALID(Dart_SetNativeResolver(mozart_internal, //
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mozart::NativeLookup, //
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mozart::NativeSymbol) //
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);
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DART_CHECK_VALID(Dart_SetField(
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mozart_internal, //
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tonic::ToDart("_context"), //
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tonic::DartConverter<uint64_t>::ToDart(reinterpret_cast<intptr_t>(
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static_cast<mozart::NativesDelegate*>(this)))));
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mozart::ViewContainerPtr view_container;
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view_->GetContainer(view_container.NewRequest());
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DART_CHECK_VALID(
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Dart_SetField(mozart_internal, //
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tonic::ToDart("_viewContainer"), //
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tonic::ToDart(zircon::dart::Handle::Create(
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view_container.Unbind().TakeChannel().release()))));
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}
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} // namespace flutter
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