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      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 CHROME_BROWSER_BOOKMARKS_CHROME_BOOKMARK_CLIENT_H_
      6 #define CHROME_BROWSER_BOOKMARKS_CHROME_BOOKMARK_CLIENT_H_
      7 
      8 #include <vector>
      9 
     10 #include "base/deferred_sequenced_task_runner.h"
     11 #include "base/macros.h"
     12 #include "base/memory/ref_counted.h"
     13 #include "components/bookmarks/browser/base_bookmark_model_observer.h"
     14 #include "components/bookmarks/browser/bookmark_client.h"
     15 #include "components/policy/core/browser/managed_bookmarks_tracker.h"
     16 #include "content/public/browser/notification_observer.h"
     17 #include "content/public/browser/notification_registrar.h"
     18 
     19 class BookmarkModel;
     20 class Profile;
     21 
     22 class ChromeBookmarkClient : public BookmarkClient,
     23                              public content::NotificationObserver,
     24                              public BaseBookmarkModelObserver {
     25  public:
     26   explicit ChromeBookmarkClient(Profile* profile);
     27   virtual ~ChromeBookmarkClient();
     28 
     29   void Init(BookmarkModel* model);
     30 
     31   // KeyedService:
     32   virtual void Shutdown() OVERRIDE;
     33 
     34   // Returns the managed_node.
     35   const BookmarkNode* managed_node() { return managed_node_; }
     36 
     37   // Returns true if the given node belongs to the managed bookmarks tree.
     38   bool IsDescendantOfManagedNode(const BookmarkNode* node);
     39 
     40   // Returns true if there is at least one managed node in the |list|.
     41   bool HasDescendantsOfManagedNode(
     42       const std::vector<const BookmarkNode*>& list);
     43 
     44   // BookmarkClient:
     45   virtual bool PreferTouchIcon() OVERRIDE;
     46   virtual base::CancelableTaskTracker::TaskId GetFaviconImageForURL(
     47       const GURL& page_url,
     48       int icon_types,
     49       int desired_size_in_dip,
     50       const favicon_base::FaviconImageCallback& callback,
     51       base::CancelableTaskTracker* tracker) OVERRIDE;
     52   virtual bool SupportsTypedCountForNodes() OVERRIDE;
     53   virtual void GetTypedCountForNodes(
     54       const NodeSet& nodes,
     55       NodeTypedCountPairs* node_typed_count_pairs) OVERRIDE;
     56   virtual bool IsPermanentNodeVisible(
     57       const BookmarkPermanentNode* node) OVERRIDE;
     58   virtual void RecordAction(const base::UserMetricsAction& action) OVERRIDE;
     59   virtual bookmarks::LoadExtraCallback GetLoadExtraNodesCallback() OVERRIDE;
     60   virtual bool CanSetPermanentNodeTitle(
     61       const BookmarkNode* permanent_node) OVERRIDE;
     62   virtual bool CanSyncNode(const BookmarkNode* node) OVERRIDE;
     63   virtual bool CanBeEditedByUser(const BookmarkNode* node) OVERRIDE;
     64 
     65   // content::NotificationObserver:
     66   virtual void Observe(int type,
     67                        const content::NotificationSource& source,
     68                        const content::NotificationDetails& details) OVERRIDE;
     69 
     70  private:
     71   // BaseBookmarkModelObserver:
     72   virtual void BookmarkModelChanged() OVERRIDE;
     73   virtual void BookmarkNodeRemoved(BookmarkModel* model,
     74                                    const BookmarkNode* parent,
     75                                    int old_index,
     76                                    const BookmarkNode* node,
     77                                    const std::set<GURL>& removed_urls) OVERRIDE;
     78   virtual void BookmarkAllUserNodesRemoved(
     79       BookmarkModel* model,
     80       const std::set<GURL>& removed_urls) OVERRIDE;
     81   virtual void BookmarkModelLoaded(BookmarkModel* model,
     82                                    bool ids_reassigned) OVERRIDE;
     83 
     84   // Helper for GetLoadExtraNodesCallback().
     85   static bookmarks::BookmarkPermanentNodeList LoadExtraNodes(
     86       const scoped_refptr<base::DeferredSequencedTaskRunner>& profile_io_runner,
     87       BookmarkPermanentNode* managed_node,
     88       scoped_ptr<base::ListValue> initial_managed_bookmarks,
     89       int64* next_node_id);
     90 
     91   // Returns the management domain that configured the managed bookmarks,
     92   // or an empty string.
     93   std::string GetManagedBookmarksDomain();
     94 
     95   Profile* profile_;
     96 
     97   content::NotificationRegistrar registrar_;
     98 
     99   // Pointer to the BookmarkModel. Will be non-NULL from the call to Init to
    100   // the call to Shutdown. Must be valid for the whole interval.
    101   BookmarkModel* model_;
    102 
    103   scoped_ptr<policy::ManagedBookmarksTracker> managed_bookmarks_tracker_;
    104   BookmarkPermanentNode* managed_node_;
    105 
    106   DISALLOW_COPY_AND_ASSIGN(ChromeBookmarkClient);
    107 };
    108 
    109 #endif  // CHROME_BROWSER_BOOKMARKS_CHROME_BOOKMARK_CLIENT_H_
    110