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 "components/bookmarks/browser/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 BookmarkModelLoaded(BookmarkModel* model, 35 bool ids_reassigned) OVERRIDE; 36 virtual void BookmarkNodeMoved(BookmarkModel* model, 37 const BookmarkNode* old_parent, 38 int old_index, 39 const BookmarkNode* new_parent, 40 int new_index) OVERRIDE; 41 virtual void BookmarkNodeAdded(BookmarkModel* model, 42 const BookmarkNode* parent, 43 int index) OVERRIDE; 44 virtual void BookmarkNodeRemoved(BookmarkModel* model, 45 const BookmarkNode* parent, 46 int old_index, 47 const BookmarkNode* node, 48 const std::set<GURL>& removed_urls) OVERRIDE; 49 virtual void BookmarkAllUserNodesRemoved( 50 BookmarkModel* model, 51 const std::set<GURL>& removed_urls) OVERRIDE; 52 virtual void BookmarkNodeChanged(BookmarkModel* model, 53 const BookmarkNode* node) OVERRIDE; 54 virtual void BookmarkNodeFaviconChanged(BookmarkModel* model, 55 const BookmarkNode* node) OVERRIDE; 56 virtual void BookmarkNodeChildrenReordered(BookmarkModel* model, 57 const BookmarkNode* node) OVERRIDE; 58 59 private: 60 DISALLOW_COPY_AND_ASSIGN(BookmarkModelObserverTask); 61 }; 62 63 #endif // CHROME_BROWSER_ANDROID_PROVIDER_BOOKMARK_MODEL_OBSERVER_TASK_H_ 64
