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// Copyright 2016 The Chromium 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 EXTENSIONS_RENDERER_API_BINDING_BRIDGE_H_
#define EXTENSIONS_RENDERER_API_BINDING_BRIDGE_H_
#include <string>
#include "base/macros.h"
#include "extensions/renderer/api_binding_types.h"
#include "gin/wrappable.h"
#include "v8/include/v8.h"
namespace gin {
class Arguments;
}
namespace extensions {
class APIBindingHooks;
class APIRequestHandler;
class APITypeReferenceMap;
// An object that serves as a bridge between the current JS-centric bindings and
// the new native bindings system. This basically needs to conform to the public
// methods of the Binding prototype in binding.js.
class APIBindingBridge final : public gin::Wrappable<APIBindingBridge> {
public:
APIBindingBridge(const APITypeReferenceMap* type_refs,
APIRequestHandler* request_handler,
APIBindingHooks* hooks,
v8::Local<v8::Context> context,
v8::Local<v8::Value> api_object,
const std::string& extension_id,
const std::string& context_type,
const binding::RunJSFunction& run_js);
~APIBindingBridge() override;
static gin::WrapperInfo kWrapperInfo;
// gin::Wrappable:
gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
v8::Isolate* isolate) final;
private:
// Runs the given function and registers custom hooks.
// The function takes three arguments: an object,
// {
// apiFunctions: <JSHookInterface> (see api_bindings_hooks.cc),
// compiledApi: <the API object>
// }
// as well as a string for the extension ID and a string for the context type.
// This should register any hooks that the JS needs for the given API.
void RegisterCustomHook(v8::Isolate* isolate,
v8::Local<v8::Function> function);
// A handler to initiate an API request through the APIRequestHandler. A
// replacement for custom bindings that utilize require('sendRequest').
void SendRequest(gin::Arguments* arguments,
const std::string& name,
const std::vector<v8::Local<v8::Value>>& request_args);
// Type references. Guaranteed to outlive this object.
const APITypeReferenceMap* type_refs_;
// The request handler. Guaranteed to outlive this object.
APIRequestHandler* request_handler_;
// The hooks associated with this API. Guaranteed to outlive this object.
APIBindingHooks* hooks_;
// The id of the extension that owns the context this belongs to.
std::string extension_id_;
// The type of context this belongs to.
std::string context_type_;
// A function to run JS safely.
binding::RunJSFunction run_js_;
DISALLOW_COPY_AND_ASSIGN(APIBindingBridge);
};
} // namespace extensions
#endif // EXTENSIONS_RENDERER_API_BINDING_BRIDGE_H_
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