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      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_CONTROLLER_VIEWS_H_
      6 #define CHROME_BROWSER_UI_VIEWS_BOOKMARKS_BOOKMARK_CONTEXT_MENU_CONTROLLER_VIEWS_H_
      7 #pragma once
      8 
      9 #include <vector>
     10 
     11 #include "base/basictypes.h"
     12 #include "chrome/browser/bookmarks/base_bookmark_model_observer.h"
     13 #include "ui/gfx/native_widget_types.h"
     14 
     15 class PageNavigator;
     16 class Profile;
     17 
     18 // An interface implemented by an object that performs actions on the actual
     19 // menu for the controller.
     20 class BookmarkContextMenuControllerViewsDelegate {
     21  public:
     22   virtual ~BookmarkContextMenuControllerViewsDelegate() {}
     23 
     24   // Closes the bookmark context menu.
     25   virtual void CloseMenu() = 0;
     26 
     27   // Methods that add items to the underlying menu.
     28   virtual void AddItemWithStringId(int command_id, int string_id) = 0;
     29   virtual void AddSeparator() = 0;
     30   virtual void AddCheckboxItem(int command_id, int string_id) = 0;
     31 
     32   // Sent before bookmarks are removed.
     33   virtual void WillRemoveBookmarks(
     34       const std::vector<const BookmarkNode*>& bookmarks) {}
     35 
     36   // Sent after bookmarks have been removed.
     37   virtual void DidRemoveBookmarks() {}
     38 };
     39 
     40 // BookmarkContextMenuControllerViews creates and manages state for the context
     41 // menu shown for any bookmark item.
     42 class BookmarkContextMenuControllerViews : public BaseBookmarkModelObserver {
     43  public:
     44   // Creates the bookmark context menu.
     45   // |parent_window| is the window that this menu should be added to.
     46   // |delegate| is described above.
     47   // |profile| is used for opening urls as well as enabling 'open incognito'.
     48   // |navigator| is used if |browser| is null, and is provided for testing.
     49   // |parent| is the parent for newly created nodes if |selection| is empty.
     50   // |selection| is the nodes the context menu operates on and may be empty.
     51   BookmarkContextMenuControllerViews(
     52       gfx::NativeWindow parent_window,
     53       BookmarkContextMenuControllerViewsDelegate* delegate,
     54       Profile* profile,
     55       PageNavigator* navigator,
     56       const BookmarkNode* parent,
     57       const std::vector<const BookmarkNode*>& selection);
     58   virtual ~BookmarkContextMenuControllerViews();
     59 
     60   void BuildMenu();
     61 
     62   void ExecuteCommand(int id);
     63   bool IsItemChecked(int id) const;
     64   bool IsCommandEnabled(int id) const;
     65 
     66   // Accessors:
     67   Profile* profile() const { return profile_; }
     68   PageNavigator* navigator() const { return navigator_; }
     69 
     70  private:
     71   // Overridden from BaseBookmarkModelObserver:
     72   // Any change to the model results in closing the menu.
     73   virtual void BookmarkModelChanged();
     74 
     75   // Removes the observer from the model and NULLs out model_.
     76   BookmarkModel* RemoveModelObserver();
     77 
     78   // Returns true if selection_ has at least one bookmark of type url.
     79   bool HasURLs() const;
     80 
     81   gfx::NativeWindow parent_window_;
     82   BookmarkContextMenuControllerViewsDelegate* delegate_;
     83   Profile* profile_;
     84   PageNavigator* navigator_;
     85   const BookmarkNode* parent_;
     86   std::vector<const BookmarkNode*> selection_;
     87   BookmarkModel* model_;
     88 
     89   DISALLOW_COPY_AND_ASSIGN(BookmarkContextMenuControllerViews);
     90 };
     91 
     92 #endif  // CHROME_BROWSER_UI_VIEWS_BOOKMARKS_BOOKMARK_CONTEXT_MENU_CONTROLLER_VIEWS_H_
     93