1 // Copyright (c) 2011 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 CHROME_BROWSER_UI_VIEWS_BOOKMARKS_BOOKMARK_CONTEXT_MENU_H_
6 #define CHROME_BROWSER_UI_VIEWS_BOOKMARKS_BOOKMARK_CONTEXT_MENU_H_
7 
8 #include "base/compiler_specific.h"
9 #include "base/macros.h"
10 #include "chrome/browser/ui/bookmarks/bookmark_context_menu_controller.h"
11 #include "chrome/browser/ui/bookmarks/bookmark_stats.h"
12 #include "ui/views/controls/menu/menu_delegate.h"
13 
14 class Browser;
15 
16 namespace views {
17 class MenuRunner;
18 class Widget;
19 }
20 
21 // Observer for the BookmarkContextMenu.
22 class BookmarkContextMenuObserver {
23  public:
24   // Invoked before the specified items are removed from the bookmark model.
25   virtual void WillRemoveBookmarks(
26       const std::vector<const bookmarks::BookmarkNode*>& bookmarks) = 0;
27 
28   // Invoked after the items have been removed from the model.
29   virtual void DidRemoveBookmarks() = 0;
30 
31   // Invoked when the context menu is closed.
32   virtual void OnContextMenuClosed() = 0;
33 
34  protected:
~BookmarkContextMenuObserver()35   virtual ~BookmarkContextMenuObserver() {}
36 };
37 
38 class BookmarkContextMenu : public BookmarkContextMenuControllerDelegate,
39                             public views::MenuDelegate {
40  public:
41   // |browser| is used to open the bookmark manager, and is NULL in tests.
42   BookmarkContextMenu(
43       views::Widget* parent_widget,
44       Browser* browser,
45       Profile* profile,
46       content::PageNavigator* page_navigator,
47       BookmarkLaunchLocation opened_from,
48       const bookmarks::BookmarkNode* parent,
49       const std::vector<const bookmarks::BookmarkNode*>& selection,
50       bool close_on_remove);
51   ~BookmarkContextMenu() override;
52 
53   // Installs a callback to be run before the context menu is run. The callback
54   // runs only once, and only one such callback can be set at any time. Once the
55   // installed callback is run, another callback can be installed.
56   static void InstallPreRunCallback(base::OnceClosure callback);
57 
58   // Shows the context menu at the specified point.
59   void RunMenuAt(const gfx::Point& point,
60                  ui::MenuSourceType source_type);
61 
menu()62   views::MenuItemView* menu() const { return menu_; }
63 
set_observer(BookmarkContextMenuObserver * observer)64   void set_observer(BookmarkContextMenuObserver* observer) {
65     observer_ = observer;
66   }
67 
68   // Sets the PageNavigator.
69   void SetPageNavigator(content::PageNavigator* navigator);
70 
71   // Overridden from views::MenuDelegate:
72   void ExecuteCommand(int command_id, int event_flags) override;
73   bool IsItemChecked(int command_id) const override;
74   bool IsCommandEnabled(int command_id) const override;
75   bool IsCommandVisible(int command_id) const override;
76   bool ShouldCloseAllMenusOnExecute(int id) override;
77   void OnMenuClosed(views::MenuItemView* menu) override;
78 
79   // Overridden from BookmarkContextMenuControllerDelegate:
80   void CloseMenu() override;
81   void WillExecuteCommand(
82       int command_id,
83       const std::vector<const bookmarks::BookmarkNode*>& bookmarks) override;
84   void DidExecuteCommand(int command_id) override;
85 
86  private:
87   std::unique_ptr<BookmarkContextMenuController> controller_;
88 
89   // The parent of dialog boxes opened from the context menu.
90   views::Widget* parent_widget_;
91 
92   // The menu itself. This is owned by |menu_runner_|.
93   views::MenuItemView* menu_;
94 
95   // Responsible for running the menu.
96   std::unique_ptr<views::MenuRunner> menu_runner_;
97 
98   BookmarkContextMenuObserver* observer_;
99 
100   // Should the menu close when a node is removed.
101   bool close_on_remove_;
102 
103   DISALLOW_COPY_AND_ASSIGN(BookmarkContextMenu);
104 };
105 
106 #endif  // CHROME_BROWSER_UI_VIEWS_BOOKMARKS_BOOKMARK_CONTEXT_MENU_H_
107