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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_ACCESSIBILITY_PLATFORM_AUTOMATION_V8_HANDLER_FUNCTION_WRAPPER_H_
#define UI_ACCESSIBILITY_PLATFORM_AUTOMATION_V8_HANDLER_FUNCTION_WRAPPER_H_
#include "base/component_export.h"
#include "base/memory/ref_counted.h"
#include "v8/include/v8-function-callback.h"
#include "v8/include/v8-value.h"
namespace gin {
class Arguments;
} // namespace gin
namespace ui {
// Virtual class which can wrap a handler function passed to V8 either with
// Gin or V8 function callbacks. This enables some AutomationV8Routers to
// use V8 bindings and others to use gin.
class COMPONENT_EXPORT(AX_PLATFORM) V8HandlerFunctionWrapper
: public base::RefCountedThreadSafe<V8HandlerFunctionWrapper> {
public:
V8HandlerFunctionWrapper() = default;
// Executes the wrapped HandlerFunction with the given Gin arguments.
// Maybe be used to bind using gin::CreateFunctionTemplate.
virtual void Run(gin::Arguments* args) = 0;
// Executes the wrapped HandlerFunction with the given V8 arguments.
// Maybe used to bind using v8::FunctionTemplate::New.
void RunV8(const v8::FunctionCallbackInfo<v8::Value>& args);
protected:
// Protected destructor allows base classes to override while ensuring
// that only RefCountedThreadSafe can destroy these objects.
virtual ~V8HandlerFunctionWrapper() = default;
private:
friend class base::RefCountedThreadSafe<V8HandlerFunctionWrapper>;
};
} // namespace ui
#endif // UI_ACCESSIBILITY_PLATFORM_AUTOMATION_V8_HANDLER_FUNCTION_WRAPPER_H_
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