chrome/browser/bookmarks/chrome_bookmark_client.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 CHROME_BROWSER_BOOKMARKS_CHROME_BOOKMARK_CLIENT_H_
   6 #define CHROME_BROWSER_BOOKMARKS_CHROME_BOOKMARK_CLIENT_H_
   7
   8 #include <set>
   9 #include <vector>
  10
  11 #include "base/callback_list.h"
  12 #include "base/deferred_sequenced_task_runner.h"
  13 #include "base/macros.h"
  14 #include "components/bookmarks/browser/base_bookmark_model_observer.h"
  15 #include "components/bookmarks/browser/bookmark_client.h"
  16 #include "components/policy/core/browser/managed_bookmarks_tracker.h"
  17
  18 class BookmarkModel;
  19 class GURL;
  20 class HistoryService;
  21 class HistoryServiceFactory;
  22 class Profile;
  23
  24 class ChromeBookmarkClient : public bookmarks::BookmarkClient,
  25                              public BaseBookmarkModelObserver {
  26  public:
  27   explicit ChromeBookmarkClient(Profile* profile);
  28   virtual ~ChromeBookmarkClient();
  29
  30   void Init(BookmarkModel* model);
  31
  32   // KeyedService:
  33   virtual void Shutdown() override;
  34
  35   // Returns the managed_node.
  36   const BookmarkNode* managed_node() { return managed_node_; }
  37
  38   // Returns true if the given node belongs to the managed bookmarks tree.
  39   bool IsDescendantOfManagedNode(const BookmarkNode* node);
  40
  41   // Returns true if there is at least one managed node in the |list|.
  42   bool HasDescendantsOfManagedNode(
  43       const std::vector<const BookmarkNode*>& list);
  44
  45   // bookmarks::BookmarkClient:
  46   virtual bool PreferTouchIcon() override;
  47   virtual base::CancelableTaskTracker::TaskId GetFaviconImageForPageURL(
  48       const GURL& page_url,
  49       favicon_base::IconType type,
  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  private:
  66   friend class HistoryServiceFactory;
  67   void SetHistoryService(HistoryService* history_service);
  68
  69   // BaseBookmarkModelObserver:
  70   virtual void BookmarkModelChanged() override;
  71   virtual void BookmarkNodeRemoved(BookmarkModel* model,
  72                                    const BookmarkNode* parent,
  73                                    int old_index,
  74                                    const BookmarkNode* node,
  75                                    const std::set<GURL>& removed_urls) override;
  76   virtual void BookmarkAllUserNodesRemoved(
  77       BookmarkModel* model,
  78       const std::set<GURL>& removed_urls) override;
  79   virtual void BookmarkModelLoaded(BookmarkModel* model,
  80                                    bool ids_reassigned) override;
  81
  82   // Helper for GetLoadExtraNodesCallback().
  83   static bookmarks::BookmarkPermanentNodeList LoadExtraNodes(
  84       scoped_ptr<BookmarkPermanentNode> managed_node,
  85       scoped_ptr<base::ListValue> initial_managed_bookmarks,
  86       int64* next_node_id);
  87
  88   // Returns the management domain that configured the managed bookmarks,
  89   // or an empty string.
  90   std::string GetManagedBookmarksDomain();
  91
  92   Profile* profile_;
  93
  94   // HistoryService associated to the Profile. Due to circular dependency, this
  95   // cannot be passed to the constructor, nor lazily fetched. Instead the value
  96   // is initialized from HistoryServiceFactory.
  97   HistoryService* history_service_;
  98
  99   scoped_ptr<base::CallbackList<void(const std::set<GURL>&)>::Subscription>
 100       favicon_changed_subscription_;
 101
 102   // Pointer to the BookmarkModel. Will be non-NULL from the call to Init to
 103   // the call to Shutdown. Must be valid for the whole interval.
 104   BookmarkModel* model_;
 105
 106   scoped_ptr<policy::ManagedBookmarksTracker> managed_bookmarks_tracker_;
 107   BookmarkPermanentNode* managed_node_;
 108
 109   DISALLOW_COPY_AND_ASSIGN(ChromeBookmarkClient);
 110 };
 111
 112 #endif  // CHROME_BROWSER_BOOKMARKS_CHROME_BOOKMARK_CLIENT_H_