popup_menu_helper_mac.h revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CONTENT_BROWSER_FRAME_HOST_POPUP_MENU_HELPER_MAC_H_
6#define CONTENT_BROWSER_FRAME_HOST_POPUP_MENU_HELPER_MAC_H_
7
8#include <vector>
9
10#include "base/compiler_specific.h"
11#include "content/common/content_export.h"
12#include "content/public/browser/notification_observer.h"
13#include "content/public/browser/notification_registrar.h"
14#include "ui/gfx/rect.h"
15
16#ifdef __OBJC__
17@class WebMenuRunner;
18#else
19class WebMenuRunner;
20#endif
21
22namespace content {
23
24class RenderFrameHost;
25class RenderFrameHostImpl;
26class RenderWidgetHostViewMac;
27struct MenuItem;
28
29class PopupMenuHelper : public NotificationObserver {
30 public:
31  // Creates a PopupMenuHelper that will notify |render_frame_host| when a user
32  // selects or cancels the popup.
33  explicit PopupMenuHelper(RenderFrameHost* render_frame_host);
34  void Hide();
35
36  // Shows the popup menu and notifies the RenderFrameHost of the selection/
37  // cancellation. This call is blocking.
38  void ShowPopupMenu(const gfx::Rect& bounds,
39                     int item_height,
40                     double item_font_size,
41                     int selected_item,
42                     const std::vector<MenuItem>& items,
43                     bool right_aligned,
44                     bool allow_multiple_selection);
45
46  // Immediately return from ShowPopupMenu.
47  CONTENT_EXPORT static void DontShowPopupMenuForTesting();
48
49 protected:
50  virtual RenderWidgetHostViewMac* GetRenderWidgetHostView() const;
51
52  // NotificationObserver implementation:
53  virtual void Observe(int type,
54                       const NotificationSource& source,
55                       const NotificationDetails& details) OVERRIDE;
56
57  NotificationRegistrar notification_registrar_;
58  RenderFrameHostImpl* render_frame_host_;
59  WebMenuRunner* menu_runner_;
60  bool popup_was_hidden_;
61
62  DISALLOW_COPY_AND_ASSIGN(PopupMenuHelper);
63};
64
65}  // namespace content
66
67#endif  // CONTENT_BROWSER_FRAME_HOST_POPUP_MENU_HELPER_MAC_H_
68