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03318327d2
Expose scenic's ability to toggle wireframe debug rendering of view bounds in flutter_runner. This is done by registering a new function on the platform_views channel with the PlatformView. Note: Unittests have not been enabled, will enable once we have sufficient infra. SCN-1351 #done Change-Id: Id4c8ef65cc39a967087d7fa6c9f595da8cfe5f01
78 lines
2.4 KiB
C++
78 lines
2.4 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_ENGINE_H_
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#define FLUTTER_SHELL_PLATFORM_FUCHSIA_ENGINE_H_
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#include <fuchsia/io/cpp/fidl.h>
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#include <fuchsia/ui/gfx/cpp/fidl.h>
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#include <fuchsia/ui/views/cpp/fidl.h>
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#include <lib/async-loop/cpp/loop.h>
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#include <lib/sys/cpp/service_directory.h>
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#include <lib/zx/event.h>
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#include "flutter/fml/macros.h"
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#include "flutter/shell/common/shell.h"
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#include "isolate_configurator.h"
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#include "thread.h"
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namespace flutter_runner {
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// Represents an instance of running Flutter engine along with the threads
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// that host the same.
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class Engine final {
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public:
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class Delegate {
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public:
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virtual void OnEngineTerminate(const Engine* holder) = 0;
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};
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Engine(Delegate& delegate,
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std::string thread_label,
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std::shared_ptr<sys::ServiceDirectory> svc,
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flutter::Settings settings,
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fml::RefPtr<const flutter::DartSnapshot> isolate_snapshot,
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fml::RefPtr<const flutter::DartSnapshot> shared_snapshot,
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fuchsia::ui::views::ViewToken view_token,
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UniqueFDIONS fdio_ns,
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fidl::InterfaceRequest<fuchsia::io::Directory> directory_request);
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~Engine();
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// Returns the Dart return code for the root isolate if one is present. This
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// call is thread safe and synchronous. This call must be made infrequently.
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std::pair<bool, uint32_t> GetEngineReturnCode() 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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Delegate& delegate_;
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const std::string thread_label_;
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flutter::Settings settings_;
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std::array<std::unique_ptr<Thread>, 3> threads_;
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std::unique_ptr<IsolateConfigurator> isolate_configurator_;
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std::unique_ptr<flutter::Shell> shell_;
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zx::event vsync_event_;
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fml::WeakPtrFactory<Engine> weak_factory_;
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void OnMainIsolateStart();
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void OnMainIsolateShutdown();
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void Terminate();
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void OnSessionMetricsDidChange(const fuchsia::ui::gfx::Metrics& metrics);
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void OnSessionSizeChangeHint(float width_change_factor,
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float height_change_factor);
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void OnDebugWireframeSettingsChanged(bool enabled);
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FML_DISALLOW_COPY_AND_ASSIGN(Engine);
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};
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} // namespace flutter_runner
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#endif // FLUTTER_SHELL_PLATFORM_FUCHSIA_ENGINE_H_
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