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      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 // C++ bridge class between Chromium and Cocoa to connect the
      6 // Bookmarks (model) with the Bookmark Bar (view).
      7 //
      8 // There is exactly one BookmarkBarBridge per BookmarkBarController /
      9 // BrowserWindowController / Browser.
     10 
     11 #ifndef CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BAR_BRIDGE_H_
     12 #define CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BAR_BRIDGE_H_
     13 
     14 #include "base/basictypes.h"
     15 #include "base/compiler_specific.h"
     16 #include "base/prefs/pref_change_registrar.h"
     17 #include "components/bookmarks/browser/bookmark_model_observer.h"
     18 
     19 class Profile;
     20 @class BookmarkBarController;
     21 
     22 class BookmarkBarBridge : public BookmarkModelObserver {
     23  public:
     24   BookmarkBarBridge(Profile* profile,
     25                     BookmarkBarController* controller,
     26                     BookmarkModel* model);
     27   virtual ~BookmarkBarBridge();
     28 
     29   // Overridden from BookmarkModelObserver:
     30   virtual void BookmarkModelLoaded(BookmarkModel* model,
     31                                    bool ids_reassigned) OVERRIDE;
     32   virtual void BookmarkModelBeingDeleted(BookmarkModel* model) OVERRIDE;
     33   virtual void BookmarkNodeMoved(BookmarkModel* model,
     34                                  const BookmarkNode* old_parent,
     35                                  int old_index,
     36                                  const BookmarkNode* new_parent,
     37                                  int new_index) OVERRIDE;
     38   virtual void BookmarkNodeAdded(BookmarkModel* model,
     39                                  const BookmarkNode* parent,
     40                                  int index) OVERRIDE;
     41   virtual void BookmarkNodeRemoved(BookmarkModel* model,
     42                                    const BookmarkNode* parent,
     43                                    int old_index,
     44                                    const BookmarkNode* node,
     45                                    const std::set<GURL>& removed_urls) OVERRIDE;
     46   virtual void BookmarkAllUserNodesRemoved(
     47       BookmarkModel* model,
     48       const std::set<GURL>& removed_urls) OVERRIDE;
     49   virtual void BookmarkNodeChanged(BookmarkModel* model,
     50                                    const BookmarkNode* node) OVERRIDE;
     51   virtual void BookmarkNodeFaviconChanged(BookmarkModel* model,
     52                                           const BookmarkNode* node) OVERRIDE;
     53   virtual void BookmarkNodeChildrenReordered(BookmarkModel* model,
     54                                              const BookmarkNode* node) OVERRIDE;
     55   virtual void ExtensiveBookmarkChangesBeginning(BookmarkModel* model) OVERRIDE;
     56   virtual void ExtensiveBookmarkChangesEnded(BookmarkModel* model) OVERRIDE;
     57 
     58  private:
     59   BookmarkBarController* controller_;  // weak; owns me
     60   BookmarkModel* model_;  // weak; it is owned by a Profile.
     61   bool batch_mode_;
     62 
     63   // Needed to react to kShowAppsShortcutInBookmarkBar changes.
     64   PrefChangeRegistrar profile_pref_registrar_;
     65 
     66   // Updates the visibility of the apps shortcut and the managed bookmarks
     67   // folder based on the pref values.
     68   void OnExtraButtonsVisibilityChanged();
     69 
     70   DISALLOW_COPY_AND_ASSIGN(BookmarkBarBridge);
     71 };
     72 
     73 #endif  // CHROME_BROWSER_UI_COCOA_BOOKMARKS_BOOKMARK_BAR_BRIDGE_H_
     74