components/bookmarks/browser/base_bookmark_model_observer.h

   1 // Copyright 2014 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 COMPONENTS_BOOKMARKS_BROWSER_BASE_BOOKMARK_MODEL_OBSERVER_H_
   6 #define COMPONENTS_BOOKMARKS_BROWSER_BASE_BOOKMARK_MODEL_OBSERVER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "components/bookmarks/browser/bookmark_model_observer.h"
  11
  12 namespace bookmarks {
  13
  14 // Base class for a BookmarkModelObserver implementation. All mutations of the
  15 // model funnel into the method BookmarkModelChanged.
  16 class BaseBookmarkModelObserver : public BookmarkModelObserver {
  17  public:
  18   BaseBookmarkModelObserver() {}
  19
  20   virtual void BookmarkModelChanged() = 0;
  21
  22   // BookmarkModelObserver:
  23   void BookmarkModelLoaded(BookmarkModel* model, bool ids_reassigned) override;
  24   void BookmarkModelBeingDeleted(BookmarkModel* model) override;
  25   void BookmarkNodeMoved(BookmarkModel* model,
  26                          const BookmarkNode* old_parent,
  27                          int old_index,
  28                          const BookmarkNode* new_parent,
  29                          int new_index) override;
  30   void BookmarkNodeAdded(BookmarkModel* model,
  31                          const BookmarkNode* parent,
  32                          int index) override;
  33   void BookmarkNodeRemoved(BookmarkModel* model,
  34                            const BookmarkNode* parent,
  35                            int old_index,
  36                            const BookmarkNode* node,
  37                            const std::set<GURL>& removed_urls) override;
  38   void BookmarkAllUserNodesRemoved(BookmarkModel* model,
  39                                    const std::set<GURL>& removed_urls) override;
  40   void BookmarkNodeChanged(BookmarkModel* model,
  41                            const BookmarkNode* node) override;
  42   void BookmarkNodeFaviconChanged(BookmarkModel* model,
  43                                   const BookmarkNode* node) override;
  44   void BookmarkNodeChildrenReordered(BookmarkModel* model,
  45                                      const BookmarkNode* node) override;
  46
  47  protected:
  48   ~BaseBookmarkModelObserver() override {}
  49
  50  private:
  51   DISALLOW_COPY_AND_ASSIGN(BaseBookmarkModelObserver);
  52 };
  53
  54 }  // namespace bookmarks
  55
  56 #endif  // COMPONENTS_BOOKMARKS_BROWSER_BASE_BOOKMARK_MODEL_OBSERVER_H_