chrome/browser/ui/webui/cookies_tree_model_util.h

   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_UI_WEBUI_COOKIES_TREE_MODEL_UTIL_H_
   6 #define CHROME_BROWSER_UI_WEBUI_COOKIES_TREE_MODEL_UTIL_H_
   7
   8 #include <map>
   9 #include <string>
  10
  11 #include "base/basictypes.h"
  12 #include "base/id_map.h"
  13
  14 class CookieTreeNode;
  15
  16 namespace base {
  17 class DictionaryValue;
  18 class ListValue;
  19 }
  20
  21 class CookiesTreeModelUtil {
  22  public:
  23   CookiesTreeModelUtil();
  24   ~CookiesTreeModelUtil();
  25
  26   // Finds or creates an ID for given |node| and returns it as string.
  27   std::string GetTreeNodeId(const CookieTreeNode* node);
  28
  29   // Append the children nodes of |parent| in specified range to |nodes| list.
  30   void GetChildNodeList(const CookieTreeNode* parent,
  31                         int start,
  32                         int count,
  33                         base::ListValue* nodes);
  34
  35   // Gets tree node from |path| under |root|. |path| is comma separated list of
  36   // ids. |id_map| translates ids into object pointers. Return NULL if |path|
  37   // is not valid.
  38   const CookieTreeNode* GetTreeNodeFromPath(const CookieTreeNode* root,
  39                                             const std::string& path);
  40
  41  private:
  42   typedef IDMap<const CookieTreeNode> CookiesTreeNodeIdMap;
  43   typedef std::map<const CookieTreeNode*, int32> CookieTreeNodeMap;
  44
  45   // Populate given |dict| with cookie tree node properties. |id_map| maps
  46   // a CookieTreeNode to an ID and creates a new ID if |node| is not in the
  47   // maps. Returns false if the |node| does not need to be shown.
  48   bool GetCookieTreeNodeDictionary(const CookieTreeNode& node,
  49                                    base::DictionaryValue* dict);
  50
  51   // IDMap to create unique ID and look up the object for an ID.
  52   CookiesTreeNodeIdMap id_map_;
  53
  54   // Reverse look up map to find the ID for a node.
  55   CookieTreeNodeMap node_map_;
  56
  57   DISALLOW_COPY_AND_ASSIGN(CookiesTreeModelUtil);
  58 };
  59
  60 #endif  // CHROME_BROWSER_UI_WEBUI_COOKIES_TREE_MODEL_UTIL_H_