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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef FLUTTER_SHELL_PLATFORM_EMBEDDER_EMBEDDER_ENGINE_H_
#define FLUTTER_SHELL_PLATFORM_EMBEDDER_EMBEDDER_ENGINE_H_
#include <memory>
#include <unordered_map>
#include "flutter/fml/macros.h"
#include "flutter/shell/common/shell.h"
#include "flutter/shell/common/thread_host.h"
#include "flutter/shell/platform/embedder/embedder.h"
#include "flutter/shell/platform/embedder/embedder_external_texture_resolver.h"
#include "flutter/shell/platform/embedder/embedder_thread_host.h"
namespace flutter {
struct ShellArgs;
// The object that is returned to the embedder as an opaque pointer to the
// instance of the Flutter engine.
class EmbedderEngine {
public:
EmbedderEngine(
std::unique_ptr<EmbedderThreadHost> thread_host,
const TaskRunners& task_runners,
const Settings& settings,
RunConfiguration run_configuration,
const Shell::CreateCallback<PlatformView>& on_create_platform_view,
const Shell::CreateCallback<Rasterizer>& on_create_rasterizer,
std::unique_ptr<EmbedderExternalTextureResolver>
external_texture_resolver);
~EmbedderEngine();
bool LaunchShell();
bool CollectShell();
const TaskRunners& GetTaskRunners() const;
bool NotifyCreated();
bool NotifyDestroyed();
bool RunRootIsolate();
bool IsValid() const;
bool SetViewportMetrics(int64_t view_id,
const flutter::ViewportMetrics& metrics);
bool DispatchPointerDataPacket(
std::unique_ptr<flutter::PointerDataPacket> packet);
bool SendPlatformMessage(std::unique_ptr<PlatformMessage> message);
bool RegisterTexture(int64_t texture);
bool UnregisterTexture(int64_t texture);
bool MarkTextureFrameAvailable(int64_t texture);
bool SetSemanticsEnabled(bool enabled);
bool SetAccessibilityFeatures(int32_t flags);
bool DispatchSemanticsAction(int node_id,
flutter::SemanticsAction action,
fml::MallocMapping args);
bool OnVsyncEvent(intptr_t baton,
fml::TimePoint frame_start_time,
fml::TimePoint frame_target_time);
bool ReloadSystemFonts();
bool PostRenderThreadTask(const fml::closure& task);
bool RunTask(const FlutterTask* task);
bool PostTaskOnEngineManagedNativeThreads(
const std::function<void(FlutterNativeThreadType)>& closure) const;
bool ScheduleFrame();
Shell& GetShell();
private:
const std::unique_ptr<EmbedderThreadHost> thread_host_;
TaskRunners task_runners_;
RunConfiguration run_configuration_;
std::unique_ptr<ShellArgs> shell_args_;
std::unique_ptr<Shell> shell_;
std::unique_ptr<EmbedderExternalTextureResolver> external_texture_resolver_;
FML_DISALLOW_COPY_AND_ASSIGN(EmbedderEngine);
};
} // namespace flutter
#endif // FLUTTER_SHELL_PLATFORM_EMBEDDER_EMBEDDER_ENGINE_H_