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101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
// Copyright 2017 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_RUNTIME_SERVICE_PROTOCOL_H_
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#define FLUTTER_RUNTIME_SERVICE_PROTOCOL_H_
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#include <map>
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#include <mutex>
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#include <set>
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#include <string>
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#include "flutter/fml/compiler_specific.h"
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#include "flutter/fml/macros.h"
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#include "flutter/fml/string_view.h"
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#include "flutter/fml/synchronization/thread_annotations.h"
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#include "flutter/fml/task_runner.h"
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#include "third_party/rapidjson/rapidjson/document.h"
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namespace blink {
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class ServiceProtocol {
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public:
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static const fml::StringView kScreenshotExtensionName;
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static const fml::StringView kScreenshotSkpExtensionName;
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static const fml::StringView kRunInViewExtensionName;
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static const fml::StringView kFlushUIThreadTasksExtensionName;
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static const fml::StringView kSetAssetBundlePathExtensionName;
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class Handler {
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public:
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struct Description {
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int64_t isolate_port = 0 /* illegal port by default. */;
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std::string isolate_name;
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Description() {}
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Description(int64_t p_isolate_port, std::string p_isolate_name)
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: isolate_port(p_isolate_port),
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isolate_name(std::move(p_isolate_name)) {}
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void Write(Handler* handler,
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rapidjson::Value& value,
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rapidjson::MemoryPoolAllocator<>& allocator) const;
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};
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using ServiceProtocolMap = std::map<fml::StringView, fml::StringView>;
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virtual fml::RefPtr<fml::TaskRunner> GetServiceProtocolHandlerTaskRunner(
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fml::StringView method) const = 0;
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virtual Description GetServiceProtocolDescription() const = 0;
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virtual bool HandleServiceProtocolMessage(
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fml::StringView method, // one if the extension names specified above.
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const ServiceProtocolMap& params,
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rapidjson::Document& response) = 0;
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};
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ServiceProtocol();
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~ServiceProtocol();
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void ToggleHooks(bool set);
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void AddHandler(Handler* handler);
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void RemoveHandler(Handler* handler);
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private:
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const std::set<fml::StringView> endpoints_;
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mutable std::mutex handlers_mutex_;
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std::set<Handler*> handlers_;
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FML_WARN_UNUSED_RESULT
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static bool HandleMessage(const char* method,
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const char** param_keys,
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const char** param_values,
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intptr_t num_params,
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void* user_data,
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const char** json_object);
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FML_WARN_UNUSED_RESULT
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static bool HandleMessage(fml::StringView method,
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const Handler::ServiceProtocolMap& params,
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ServiceProtocol* service_protocol,
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rapidjson::Document& response);
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FML_WARN_UNUSED_RESULT
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bool HandleMessage(fml::StringView method,
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const Handler::ServiceProtocolMap& params,
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rapidjson::Document& response) const;
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FML_WARN_UNUSED_RESULT
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bool HandleListViewsMethod(rapidjson::Document& response) const;
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FML_DISALLOW_COPY_AND_ASSIGN(ServiceProtocol);
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};
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} // namespace blink
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#endif // FLUTTER_RUNTIME_SERVICE_PROTOCOL_H_
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