From 071c5930b997faec3dea24d5ea2dc7ea239441c4 Mon Sep 17 00:00:00 2001
From: Jeremy Rose <jeremya@chromium.org>
Date: Thu, 23 Jul 2020 14:55:41 -0700
Subject: [PATCH] refactor: ginify InAppPurchase (#24674)

---
 lib/browser/api/in-app-purchase.ts            |  6 +----
 .../api/electron_api_in_app_purchase.cc       | 23 ++++++++++---------
 .../api/electron_api_in_app_purchase.h        | 17 +++++++++-----
 3 files changed, 24 insertions(+), 22 deletions(-)

diff --git a/lib/browser/api/in-app-purchase.ts b/lib/browser/api/in-app-purchase.ts
index 47172492a2de..e67fd44bf39c 100644
--- a/lib/browser/api/in-app-purchase.ts
+++ b/lib/browser/api/in-app-purchase.ts
@@ -3,11 +3,7 @@ import { EventEmitter } from 'events';
 let _inAppPurchase;
 
 if (process.platform === 'darwin') {
-  const { inAppPurchase, InAppPurchase } = process._linkedBinding('electron_browser_in_app_purchase');
-
-  // inAppPurchase is an EventEmitter.
-  Object.setPrototypeOf(InAppPurchase.prototype, EventEmitter.prototype);
-  EventEmitter.call(inAppPurchase);
+  const { inAppPurchase } = process._linkedBinding('electron_browser_in_app_purchase');
 
   _inAppPurchase = inAppPurchase;
 } else {
diff --git a/shell/browser/api/electron_api_in_app_purchase.cc b/shell/browser/api/electron_api_in_app_purchase.cc
index 8f392c1303ad..1749b704fdb8 100644
--- a/shell/browser/api/electron_api_in_app_purchase.cc
+++ b/shell/browser/api/electron_api_in_app_purchase.cc
@@ -10,6 +10,7 @@
 
 #include "shell/common/gin_helper/dictionary.h"
 #include "shell/common/gin_helper/object_template_builder.h"
+#include "shell/common/gin_helper/promise.h"
 #include "shell/common/node_includes.h"
 
 namespace gin {
@@ -73,17 +74,18 @@ namespace electron {
 
 namespace api {
 
+gin::WrapperInfo InAppPurchase::kWrapperInfo = {gin::kEmbedderNativeGin};
+
 #if defined(OS_MACOSX)
 // static
 gin::Handle<InAppPurchase> InAppPurchase::Create(v8::Isolate* isolate) {
-  return gin::CreateHandle(isolate, new InAppPurchase(isolate));
+  return gin::CreateHandle(isolate, new InAppPurchase());
 }
 
-// static
-void InAppPurchase::BuildPrototype(v8::Isolate* isolate,
-                                   v8::Local<v8::FunctionTemplate> prototype) {
-  prototype->SetClassName(gin::StringToV8(isolate, "InAppPurchase"));
-  gin_helper::ObjectTemplateBuilder(isolate, prototype->PrototypeTemplate())
+gin::ObjectTemplateBuilder InAppPurchase::GetObjectTemplateBuilder(
+    v8::Isolate* isolate) {
+  return gin_helper::EventEmitterMixin<InAppPurchase>::GetObjectTemplateBuilder(
+             isolate)
       .SetMethod("canMakePayments", &in_app_purchase::CanMakePayments)
       .SetMethod("restoreCompletedTransactions",
                  &in_app_purchase::RestoreCompletedTransactions)
@@ -96,10 +98,12 @@ void InAppPurchase::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("getProducts", &InAppPurchase::GetProducts);
 }
 
-InAppPurchase::InAppPurchase(v8::Isolate* isolate) {
-  Init(isolate);
+const char* InAppPurchase::GetTypeName() {
+  return "InAppPurchase";
 }
 
+InAppPurchase::InAppPurchase() {}
+
 InAppPurchase::~InAppPurchase() {}
 
 v8::Local<v8::Promise> InAppPurchase::PurchaseProduct(
@@ -158,9 +162,6 @@ void Initialize(v8::Local<v8::Object> exports,
   v8::Isolate* isolate = context->GetIsolate();
   gin_helper::Dictionary dict(isolate, exports);
   dict.Set("inAppPurchase", InAppPurchase::Create(isolate));
-  dict.Set("InAppPurchase", InAppPurchase::GetConstructor(isolate)
-                                ->GetFunction(context)
-                                .ToLocalChecked());
 #endif
 }
 
diff --git a/shell/browser/api/electron_api_in_app_purchase.h b/shell/browser/api/electron_api_in_app_purchase.h
index 21b833c44153..0629b6d1517c 100644
--- a/shell/browser/api/electron_api_in_app_purchase.h
+++ b/shell/browser/api/electron_api_in_app_purchase.h
@@ -9,26 +9,31 @@
 #include <vector>
 
 #include "gin/handle.h"
+#include "gin/wrappable.h"
+#include "shell/browser/event_emitter_mixin.h"
 #include "shell/browser/mac/in_app_purchase.h"
 #include "shell/browser/mac/in_app_purchase_observer.h"
 #include "shell/browser/mac/in_app_purchase_product.h"
-#include "shell/common/gin_helper/event_emitter.h"
-#include "shell/common/gin_helper/promise.h"
+#include "v8/include/v8.h"
 
 namespace electron {
 
 namespace api {
 
-class InAppPurchase : public gin_helper::EventEmitter<InAppPurchase>,
+class InAppPurchase : public gin::Wrappable<InAppPurchase>,
+                      public gin_helper::EventEmitterMixin<InAppPurchase>,
                       public in_app_purchase::TransactionObserver {
  public:
   static gin::Handle<InAppPurchase> Create(v8::Isolate* isolate);
 
-  static void BuildPrototype(v8::Isolate* isolate,
-                             v8::Local<v8::FunctionTemplate> prototype);
+  // gin::Wrappable
+  static gin::WrapperInfo kWrapperInfo;
+  gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
+      v8::Isolate* isolate) override;
+  const char* GetTypeName() override;
 
  protected:
-  explicit InAppPurchase(v8::Isolate* isolate);
+  InAppPurchase();
   ~InAppPurchase() override;
 
   v8::Local<v8::Promise> PurchaseProduct(const std::string& product_id,