feat: add LabelButton API

atom/browser/api/atom_api_button.cc

@@ -19,6 +19,10 @@ Button::Button(views::Button* button) : View(button) {
 
 Button::~Button() {}
 
+void Button::ButtonPressed(views::Button* sender, const ui::Event& event) {
+  Emit("click");
+}
+
 // static
 mate::WrappableBase* Button::New(mate::Arguments* args) {
   args->ThrowError("Button can not be created directly");

atom/browser/api/atom_api_button.h

@@ -7,23 +7,26 @@
 
 #include "atom/browser/api/atom_api_view.h"
 #include "native_mate/handle.h"
-#include "ui/views/controls/button/label_button.h"
+#include "ui/views/controls/button/button.h"
 
 namespace atom {
 
 namespace api {
 
-class Button : public View, views::ButtonListener {
+class Button : public View, public views::ButtonListener {
  public:
   static mate::WrappableBase* New(mate::Arguments* args);
 
   static void BuildPrototype(v8::Isolate* isolate,
                              v8::Local<v8::FunctionTemplate> prototype);
 
- private:
+ protected:
   explicit Button(views::Button* view);
   ~Button() override;
 
+  // views::ButtonListener:
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(Button);
 };

atom/browser/api/atom_api_label_button.cc

@@ -0,0 +1,58 @@
+// Copyright (c) 2018 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/browser/api/atom_api_label_button.h"
+
+#include "atom/common/api/constructor.h"
+#include "base/strings/utf_string_conversions.h"
+#include "native_mate/dictionary.h"
+#include "ui/views/controls/button/label_button.h"
+
+#include "atom/common/node_includes.h"
+
+namespace atom {
+
+namespace api {
+
+LabelButton::LabelButton(const std::string& text)
+    : Button(new views::LabelButton(this, base::UTF8ToUTF16(text))) {}
+
+LabelButton::~LabelButton() {}
+
+// static
+mate::WrappableBase* LabelButton::New(mate::Arguments* args,
+                                      const std::string& text) {
+  // Constructor call.
+  auto* view = new LabelButton(text);
+  view->InitWith(args->isolate(), args->GetThis());
+  return view;
+}
+
+// static
+void LabelButton::BuildPrototype(v8::Isolate* isolate,
+                                 v8::Local<v8::FunctionTemplate> prototype) {
+  prototype->SetClassName(mate::StringToV8(isolate, "LabelButton"));
+}
+
+}  // namespace api
+
+}  // namespace atom
+
+namespace {
+
+using atom::api::LabelButton;
+
+void Initialize(v8::Local<v8::Object> exports,
+                v8::Local<v8::Value> unused,
+                v8::Local<v8::Context> context,
+                void* priv) {
+  v8::Isolate* isolate = context->GetIsolate();
+  mate::Dictionary dict(isolate, exports);
+  dict.Set("LabelButton", mate::CreateConstructor<LabelButton>(
+                              isolate, base::Bind(&LabelButton::New)));
+}
+
+}  // namespace
+
+NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_label_button, Initialize)

atom/browser/api/atom_api_label_button.h

@@ -0,0 +1,36 @@
+// Copyright (c) 2018 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_BROWSER_API_ATOM_API_LABEL_BUTTON_H_
+#define ATOM_BROWSER_API_ATOM_API_LABEL_BUTTON_H_
+
+#include <string>
+
+#include "atom/browser/api/atom_api_button.h"
+
+namespace atom {
+
+namespace api {
+
+class LabelButton : public Button {
+ public:
+  static mate::WrappableBase* New(mate::Arguments* args,
+                                  const std::string& text);
+
+  static void BuildPrototype(v8::Isolate* isolate,
+                             v8::Local<v8::FunctionTemplate> prototype);
+
+ protected:
+  explicit LabelButton(const std::string& text);
+  ~LabelButton() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(LabelButton);
+};
+
+}  // namespace api
+
+}  // namespace atom
+
+#endif  // ATOM_BROWSER_API_ATOM_API_LABEL_BUTTON_H_