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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_RENDERER_BINDINGS_API_BINDING_HOOKS_DELEGATE_H_
#define EXTENSIONS_RENDERER_BINDINGS_API_BINDING_HOOKS_DELEGATE_H_
#include "extensions/renderer/bindings/api_binding_hooks.h"
#include "v8/include/v8.h"
namespace extensions {
class APITypeReferenceMap;
// A per-API set of custom hooks to override the default behavior.
class APIBindingHooksDelegate {
public:
virtual ~APIBindingHooksDelegate();
// Allows custom implementations to return a different event object.
// Populates `event_out` and returns true if a custom implementation should
// be used, otherwise returns false.
virtual bool CreateCustomEvent(v8::Local<v8::Context> context,
const std::string& event_name,
v8::Local<v8::Value>* event_out);
// Allows custom implementations to handle a given request.
virtual APIBindingHooks::RequestResult HandleRequest(
const std::string& method_name,
const APISignature* signature,
v8::Local<v8::Context> context,
v8::LocalVector<v8::Value>* arguments,
const APITypeReferenceMap& refs);
// Allows custom implementations to add additional properties or types to an
// API object.
virtual void InitializeTemplate(v8::Isolate* isolate,
v8::Local<v8::ObjectTemplate> object_template,
const APITypeReferenceMap& type_refs) {}
// Allows custom implementations to mutate an instance of the API for a
// specific context.
virtual void InitializeInstance(v8::Local<v8::Context> context,
v8::Local<v8::Object> instance) {}
};
} // namespace extensions
#endif // EXTENSIONS_RENDERER_BINDINGS_API_BINDING_HOOKS_DELEGATE_H_
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