Add LayoutManager/BoxLayout APIs

atom/browser/api/atom_api_layout_manager.cc

@@ -0,0 +1,63 @@
+// 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_layout_manager.h"
+
+#include "atom/common/api/constructor.h"
+#include "native_mate/dictionary.h"
+
+#include "atom/common/node_includes.h"
+
+namespace atom {
+
+namespace api {
+
+LayoutManager::LayoutManager(views::LayoutManager* layout_manager)
+    : layout_manager_(layout_manager) {
+  DCHECK(layout_manager_);
+}
+
+LayoutManager::~LayoutManager() {
+  if (managed_by_us_)
+    delete layout_manager_;
+}
+
+std::unique_ptr<views::LayoutManager> LayoutManager::TakeOver() {
+  if (!managed_by_us_)  // already taken over.
+    return nullptr;
+  managed_by_us_ = false;
+  return std::unique_ptr<views::LayoutManager>(layout_manager_);
+}
+
+// static
+mate::WrappableBase* LayoutManager::New(mate::Arguments* args) {
+  args->ThrowError("LayoutManager can not be created directly");
+  return nullptr;
+}
+
+// static
+void LayoutManager::BuildPrototype(v8::Isolate* isolate,
+                                   v8::Local<v8::FunctionTemplate> prototype) {}
+
+}  // namespace api
+
+}  // namespace atom
+
+namespace {
+
+using atom::api::LayoutManager;
+
+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("LayoutManager", mate::CreateConstructor<LayoutManager>(
+                                isolate, base::Bind(&LayoutManager::New)));
+}
+
+}  // namespace
+
+NODE_BUILTIN_MODULE_CONTEXT_AWARE(atom_browser_layout_manager, Initialize)