[iOS] Upstream //ios/chrome/browser/ui

ios/chrome/browser/ui/show_mail_composer_util.mm

+// Copyright 2013 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.
+
+#include "ios/chrome/browser/ui/show_mail_composer_util.h"
+
+#include <UIKit/UIKit.h>
+
+#include "base/logging.h"
+#include "base/mac/scoped_nsobject.h"
+#include "base/strings/sys_string_conversions.h"
+#include "ios/chrome/browser/ui/commands/UIKit+ChromeExecuteCommand.h"
+#include "ios/chrome/browser/ui/commands/show_mail_composer_command.h"
+
+void ShowMailComposer(const base::string16& to_recipient,
+                      const base::string16& subject,
+                      const base::string16& body,
+                      const base::string16& title,
+                      const base::FilePath& text_file_to_attach,
+                      int email_not_configured_alert_title_id,
+                      int email_not_configured_alert_message_id) {
+  base::scoped_nsobject<ShowMailComposerCommand>
+  command([[ShowMailComposerCommand alloc]
+                   initWithToRecipient:base::SysUTF16ToNSString(to_recipient)
+                               subject:base::SysUTF16ToNSString(subject)
+                                  body:base::SysUTF16ToNSString(body)
+        emailNotConfiguredAlertTitleId:email_not_configured_alert_title_id
+      emailNotConfiguredAlertMessageId:email_not_configured_alert_message_id]);
+  [command setTextFileToAttach:text_file_to_attach];
+  UIWindow* main_window = [[UIApplication sharedApplication] keyWindow];
+  DCHECK(main_window);
+  [main_window.rootViewController chromeExecuteCommand:command];
+}