text: // Copyright 2019 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 CHROMECAST_RENDERER_EXTENSIONS_TABS_HOOKS_DELEGATE_H_
  #define CHROMECAST_RENDERER_EXTENSIONS_TABS_HOOKS_DELEGATE_H_
  
  #include <string>
  #include <vector>
  
  #include "base/macros.h"
  #include "extensions/renderer/bindings/api_binding_hooks_delegate.h"
  #include "v8/include/v8.h"
  
  namespace extensions {
  class NativeRendererMessagingService;
  class ScriptContext;
  
  // The custom hooks for the tabs API.
  class TabsHooksDelegate : public APIBindingHooksDelegate {
   public:
    explicit TabsHooksDelegate(NativeRendererMessagingService* messaging_service);
  
    TabsHooksDelegate(const TabsHooksDelegate&) = delete;
    TabsHooksDelegate& operator=(const TabsHooksDelegate&) = delete;
  
    ~TabsHooksDelegate() override;
  
    // APIBindingHooksDelegate:
    APIBindingHooks::RequestResult HandleRequest(
        const std::string& method_name,
        const APISignature* signature,
        v8::Local<v8::Context> context,
        std::vector<v8::Local<v8::Value>>* arguments,
        const APITypeReferenceMap& refs) override;
  
   private:
    // Request handlers for the corresponding API methods.
    APIBindingHooks::RequestResult HandleSendRequest(
        ScriptContext* script_context,
        const std::vector<v8::Local<v8::Value>>& arguments);
    APIBindingHooks::RequestResult HandleSendMessage(
        ScriptContext* script_context,
        const std::vector<v8::Local<v8::Value>>& arguments);
    APIBindingHooks::RequestResult HandleConnect(
        ScriptContext* script_context,
        const std::vector<v8::Local<v8::Value>>& arguments);
  
    // The messaging service to handle connect() and sendMessage() calls.
    // Guaranteed to outlive this object.
    NativeRendererMessagingService* const messaging_service_;
  };
  
  }  // namespace extensions
  
  #endif  // CHROMECAST_RENDERER_EXTENSIONS_TABS_HOOKS_DELEGATE_H_
  