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e0a24d6369
Build rules still reference creating share snapshot data and instructions. This makes the engine to always pass them as empty to the dart vm. To be followed up with a change to alter the build rules to stop referencing the shared snapshots. This is not being used currently and the fact that the runner will be built outside of the flutter tree means that the apps will not have much to gain via shared snapshots. The rationale behind this change is to partially make migrating the runner out of topaz tree easier. Change-Id: Ibc4dd6a298d65082416af753522f5a17c88a750a
114 lines
3.9 KiB
C++
114 lines
3.9 KiB
C++
// Copyright 2013 The Flutter 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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#ifndef FLUTTER_SHELL_PLATFORM_FUCHSIA_COMPONENT_H_
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#define FLUTTER_SHELL_PLATFORM_FUCHSIA_COMPONENT_H_
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#include <array>
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#include <memory>
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#include <set>
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#include <fuchsia/io/cpp/fidl.h>
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#include <fuchsia/sys/cpp/fidl.h>
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#include <fuchsia/ui/app/cpp/fidl.h>
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#include <lib/async-loop/cpp/loop.h>
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#include <lib/async/default.h>
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#include <lib/fidl/cpp/binding_set.h>
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#include <lib/fidl/cpp/interface_request.h>
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#include <lib/fit/function.h>
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#include <lib/sys/cpp/service_directory.h>
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#include <lib/vfs/cpp/pseudo_dir.h>
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#include <lib/zx/eventpair.h>
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#include "engine.h"
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#include "flutter/common/settings.h"
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#include "flutter/fml/macros.h"
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#include "thread.h"
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#include "unique_fdio_ns.h"
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namespace flutter_runner {
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// Represents an instance of a Flutter application that contains one of more
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// Flutter engine instances.
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class Application final : public Engine::Delegate,
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public fuchsia::sys::ComponentController,
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public fuchsia::ui::app::ViewProvider {
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public:
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using TerminationCallback = fit::function<void(const Application*)>;
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// Creates a dedicated thread to run the application and constructions the
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// application on it. The application can be accessed only on this thread.
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// This is a synchronous operation.
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static std::pair<std::unique_ptr<Thread>, std::unique_ptr<Application>>
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Create(TerminationCallback termination_callback,
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fuchsia::sys::Package package,
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fuchsia::sys::StartupInfo startup_info,
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std::shared_ptr<sys::ServiceDirectory> runner_incoming_services,
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fidl::InterfaceRequest<fuchsia::sys::ComponentController> controller);
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// Must be called on the same thread returned from the create call. The thread
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// may be collected after.
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~Application();
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const std::string& GetDebugLabel() const;
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#if !defined(DART_PRODUCT)
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void WriteProfileToTrace() const;
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#endif // !defined(DART_PRODUCT)
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private:
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flutter::Settings settings_;
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TerminationCallback termination_callback_;
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const std::string debug_label_;
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UniqueFDIONS fdio_ns_ = UniqueFDIONSCreate();
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fml::UniqueFD application_directory_;
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fml::UniqueFD application_assets_directory_;
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fidl::Binding<fuchsia::sys::ComponentController> application_controller_;
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fuchsia::io::DirectoryPtr directory_ptr_;
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fuchsia::io::NodePtr cloned_directory_ptr_;
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fidl::InterfaceRequest<fuchsia::io::Directory> directory_request_;
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std::unique_ptr<vfs::PseudoDir> outgoing_dir_;
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std::shared_ptr<sys::ServiceDirectory> svc_;
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std::shared_ptr<sys::ServiceDirectory> runner_incoming_services_;
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fidl::BindingSet<fuchsia::ui::app::ViewProvider> shells_bindings_;
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fml::RefPtr<flutter::DartSnapshot> isolate_snapshot_;
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std::set<std::unique_ptr<Engine>> shell_holders_;
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std::pair<bool, uint32_t> last_return_code_;
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fml::WeakPtrFactory<Application> weak_factory_;
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Application(
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TerminationCallback termination_callback,
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fuchsia::sys::Package package,
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fuchsia::sys::StartupInfo startup_info,
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std::shared_ptr<sys::ServiceDirectory> runner_incoming_services,
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fidl::InterfaceRequest<fuchsia::sys::ComponentController> controller);
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// |fuchsia::sys::ComponentController|
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void Kill() override;
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// |fuchsia::sys::ComponentController|
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void Detach() override;
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// |fuchsia::ui::app::ViewProvider|
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void CreateView(
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zx::eventpair view_token,
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fidl::InterfaceRequest<fuchsia::sys::ServiceProvider> incoming_services,
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fidl::InterfaceHandle<fuchsia::sys::ServiceProvider> outgoing_services)
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override;
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// |flutter::Engine::Delegate|
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void OnEngineTerminate(const Engine* holder) override;
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void AttemptVMLaunchWithCurrentSettings(const flutter::Settings& settings);
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FML_DISALLOW_COPY_AND_ASSIGN(Application);
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};
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} // namespace flutter_runner
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#endif // FLUTTER_SHELL_PLATFORM_FUCHSIA_COMPONENT_H_
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