Add the generialized showMessageBox API.

browser/api/atom_api_dialog.h

@@ -0,0 +1,49 @@
+// Copyright (c) 2013 GitHub, Inc. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_BROWSER_API_ATOM_API_DIALOG_H_
+#define ATOM_BROWSER_API_ATOM_API_DIALOG_H_
+
+#include "browser/api/atom_api_event_emitter.h"
+#include "ui/shell_dialogs/select_file_dialog.h"
+
+namespace atom {
+
+namespace api {
+
+v8::Handle<v8::Value> ShowMessageBox(const v8::Arguments &args);
+
+class FileDialog : public EventEmitter,
+                   public ui::SelectFileDialog::Listener {
+ public:
+  virtual ~FileDialog();
+
+  static void Initialize(v8::Handle<v8::Object> target);
+
+  // ui::SelectFileDialog::Listener implementations:
+  virtual void FileSelected(const base::FilePath& path,
+                            int index, void* params) OVERRIDE;
+  virtual void MultiFilesSelected(
+      const std::vector<base::FilePath>& files, void* params) OVERRIDE;
+  virtual void FileSelectionCanceled(void* params) OVERRIDE;
+
+ private:
+  explicit FileDialog(v8::Handle<v8::Object> wrapper);
+
+  static void FillTypeInfo(ui::SelectFileDialog::FileTypeInfo* file_types,
+                           v8::Handle<v8::Array> v8_file_types);
+
+  static v8::Handle<v8::Value> New(const v8::Arguments &args);
+  static v8::Handle<v8::Value> SelectFile(const v8::Arguments &args);
+
+  scoped_refptr<ui::SelectFileDialog> dialog_;
+
+  DISALLOW_COPY_AND_ASSIGN(FileDialog);
+};
+
+}  // namespace api
+
+}  // namespace atom
+
+#endif  // ATOM_BROWSER_API_ATOM_API_DIALOG_H_