Refactoring select popup on Mac....

chrome/renderer/external_popup_menu.cc

+// Copyright (c) 2010 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 "chrome/renderer/external_popup_menu.h"
+
+#include "chrome/common/render_messages.h"
+#include "chrome/common/render_messages_params.h"
+#include "chrome/renderer/render_view.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebExternalPopupMenuClient.h"
+#include "third_party/WebKit/WebKit/chromium/public/WebRect.h"
+
+ExternalPopupMenu::ExternalPopupMenu(
+    RenderView* render_view,
+    const WebKit::WebPopupMenuInfo& popup_menu_info,
+    WebKit::WebExternalPopupMenuClient* popup_menu_client)
+    : render_view_(render_view),
+      popup_menu_info_(popup_menu_info),
+      popup_menu_client_(popup_menu_client) {
+}
+
+void ExternalPopupMenu::show(const WebKit::WebRect& bounds) {
+  ViewHostMsg_ShowPopup_Params popup_params;
+  popup_params.bounds = bounds;
+  popup_params.item_height = popup_menu_info_.itemHeight;
+  popup_params.item_font_size = popup_menu_info_.itemFontSize;
+  popup_params.selected_item = popup_menu_info_.selectedIndex;
+  for (size_t i = 0; i < popup_menu_info_.items.size(); ++i)
+    popup_params.popup_items.push_back(WebMenuItem(popup_menu_info_.items[i]));
+  popup_params.right_aligned = popup_menu_info_.rightAligned;
+  render_view_->Send(
+      new ViewHostMsg_ShowPopup(render_view_->routing_id(), popup_params));
+}
+
+void ExternalPopupMenu::close()  {
+  popup_menu_client_ = NULL;
+  render_view_ = NULL;
+}
+
+void ExternalPopupMenu::DidSelectItem(int index) {
+  if (!popup_menu_client_)
+    return;
+  if (index == -1)
+    popup_menu_client_->didCancel();
+  else
+    popup_menu_client_->didAcceptIndex(index);
+}