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eec74e5c92
Some components in the Flutter engine were derived from the forked blink codebase. While the forked components have either been removed or rewritten, the use of the blink namespace has mostly (and inconsistently) remained. This renames the blink namesapce to flutter for consistency. There are no functional changes in this patch.
106 lines
3.5 KiB
C++
106 lines
3.5 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_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 <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/atomic_object.h"
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#include "flutter/fml/synchronization/shared_mutex.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 "rapidjson/document.h"
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namespace flutter {
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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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static const fml::StringView kGetDisplayRefreshRateExtensionName;
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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, Handler::Description description);
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void RemoveHandler(Handler* handler);
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void SetHandlerDescription(Handler* handler,
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Handler::Description description);
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private:
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const std::set<fml::StringView> endpoints_;
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std::unique_ptr<fml::SharedMutex> handlers_mutex_;
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std::map<Handler*, fml::AtomicObject<Handler::Description>> 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 flutter
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#endif // FLUTTER_RUNTIME_SERVICE_PROTOCOL_H_
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