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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_RUNTIME_DART_ISOLATE_GROUP_DATA_H_
#define FLUTTER_RUNTIME_DART_ISOLATE_GROUP_DATA_H_
#include <map>
#include <mutex>
#include <string>
#include "flutter/common/settings.h"
#include "flutter/fml/closure.h"
#include "flutter/fml/memory/ref_ptr.h"
#include "flutter/lib/ui/window/platform_configuration.h"
namespace flutter {
class DartIsolate;
class DartSnapshot;
class PlatformMessageHandler;
using ChildIsolatePreparer = std::function<bool(DartIsolate*)>;
// Object holding state associated with a Dart isolate group. An instance of
// this class will be provided to Dart_CreateIsolateGroup as the
// isolate_group_data.
//
// This object must be thread safe because the Dart VM can invoke the isolate
// group cleanup callback on any thread.
class DartIsolateGroupData : public PlatformMessageHandlerStorage {
public:
DartIsolateGroupData(const Settings& settings,
fml::RefPtr<const DartSnapshot> isolate_snapshot,
std::string advisory_script_uri,
std::string advisory_script_entrypoint,
const ChildIsolatePreparer& child_isolate_preparer,
const fml::closure& isolate_create_callback,
const fml::closure& isolate_shutdown_callback);
~DartIsolateGroupData();
const Settings& GetSettings() const;
fml::RefPtr<const DartSnapshot> GetIsolateSnapshot() const;
const std::string& GetAdvisoryScriptURI() const;
const std::string& GetAdvisoryScriptEntrypoint() const;
ChildIsolatePreparer GetChildIsolatePreparer() const;
const fml::closure& GetIsolateCreateCallback() const;
const fml::closure& GetIsolateShutdownCallback() const;
void SetChildIsolatePreparer(const ChildIsolatePreparer& value);
/// Adds a kernel buffer mapping to the kernels loaded for this isolate group.
void AddKernelBuffer(const std::shared_ptr<const fml::Mapping>& buffer);
/// A copy of the mappings for all kernel buffer objects loaded into this
/// isolate group.
std::vector<std::shared_ptr<const fml::Mapping>> GetKernelBuffers() const;
// |PlatformMessageHandlerStorage|
void SetPlatformMessageHandler(
int64_t root_isolate_token,
std::weak_ptr<PlatformMessageHandler> handler) override;
// |PlatformMessageHandlerStorage|
std::weak_ptr<PlatformMessageHandler> GetPlatformMessageHandler(
int64_t root_isolate_token) const override;
private:
std::vector<std::shared_ptr<const fml::Mapping>> kernel_buffers_;
const Settings settings_;
const fml::RefPtr<const DartSnapshot> isolate_snapshot_;
const std::string advisory_script_uri_;
const std::string advisory_script_entrypoint_;
mutable std::mutex child_isolate_preparer_mutex_;
ChildIsolatePreparer child_isolate_preparer_;
const fml::closure isolate_create_callback_;
const fml::closure isolate_shutdown_callback_;
std::map<int64_t, std::weak_ptr<PlatformMessageHandler>>
platform_message_handlers_;
mutable std::mutex platform_message_handlers_mutex_;
FML_DISALLOW_COPY_AND_ASSIGN(DartIsolateGroupData);
};
} // namespace flutter
#endif // FLUTTER_RUNTIME_DART_ISOLATE_GROUP_DATA_H_