Home | History | Annotate | Download | only in provider 
      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 CHROME_BROWSER_ANDROID_PROVIDER_BOOKMARK_MODEL_OBSERVER_TASK_H_
      6 #define CHROME_BROWSER_ANDROID_PROVIDER_BOOKMARK_MODEL_OBSERVER_TASK_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/compiler_specific.h"
     10 #include "chrome/browser/bookmarks/bookmark_model_observer.h"
     11 
     12 // Base class for synchronous tasks that involve the bookmark model.
     13 // Ensures the model has been loaded before accessing it.
     14 // Must not be created from the UI thread.
     15 class BookmarkModelTask {
     16  public:
     17   explicit BookmarkModelTask(BookmarkModel* model);
     18   BookmarkModel* model() const;
     19 
     20  private:
     21   BookmarkModel* model_;
     22 
     23   DISALLOW_COPY_AND_ASSIGN(BookmarkModelTask);
     24 };
     25 
     26 // Base class for bookmark model tasks that observe for model updates.
     27 class BookmarkModelObserverTask : public BookmarkModelTask,
     28                                   public BookmarkModelObserver {
     29  public:
     30   explicit BookmarkModelObserverTask(BookmarkModel* bookmark_model);
     31   virtual ~BookmarkModelObserverTask();
     32 
     33   // BookmarkModelObserver:
     34   virtual void Loaded(BookmarkModel* model, bool ids_reassigned) OVERRIDE;
     35   virtual void BookmarkNodeMoved(BookmarkModel* model,
     36                                  const BookmarkNode* old_parent,
     37                                  int old_index,
     38                                  const BookmarkNode* new_parent,
     39                                  int new_index) OVERRIDE;
     40   virtual void BookmarkNodeAdded(BookmarkModel* model,
     41                                  const BookmarkNode* parent,
     42                                  int index) OVERRIDE;
     43   virtual void BookmarkNodeRemoved(BookmarkModel* model,
     44                                    const BookmarkNode* parent,
     45                                    int old_index,
     46                                    const BookmarkNode* node) OVERRIDE;
     47   virtual void BookmarkAllNodesRemoved(BookmarkModel* model) OVERRIDE;
     48   virtual void BookmarkNodeChanged(BookmarkModel* model,
     49                                    const BookmarkNode* node) OVERRIDE;
     50   virtual void BookmarkNodeFaviconChanged(BookmarkModel* model,
     51                                           const BookmarkNode* node) OVERRIDE;
     52   virtual void BookmarkNodeChildrenReordered(BookmarkModel* model,
     53                                              const BookmarkNode* node) OVERRIDE;
     54 
     55  private:
     56   DISALLOW_COPY_AND_ASSIGN(BookmarkModelObserverTask);
     57 };
     58 
     59 #endif  // CHROME_BROWSER_ANDROID_PROVIDER_BOOKMARK_MODEL_OBSERVER_TASK_H_
     60