src/kits/tracker/SlowContextPopup.h

   1 /*
   2 Open Tracker License
   3
   4 Terms and Conditions
   5
   6 Copyright (c) 1991-2000, Be Incorporated. All rights reserved.
   7
   8 Permission is hereby granted, free of charge, to any person obtaining a copy of
   9 this software and associated documentation files (the "Software"), to deal in
  10 the Software without restriction, including without limitation the rights to
  11 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  12 of the Software, and to permit persons to whom the Software is furnished to do
  13 so, subject to the following conditions:
  14
  15 The above copyright notice and this permission notice applies to all licensees
  16 and shall be included in all copies or substantial portions of the Software.
  17
  18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
  20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  21 BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION
  23 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24
  25 Except as contained in this notice, the name of Be Incorporated shall not be
  26 used in advertising or otherwise to promote the sale, use or other dealings in
  27 this Software without prior written authorization from Be Incorporated.
  28
  29 Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks
  30 of Be Incorporated in the United States and other countries. Other brand product
  31 names are registered trademarks or trademarks of their respective holders.
  32 All rights reserved.
  33 */
  34 #ifndef _SLOW_CONTEXT_POPUP_H
  35 #define _SLOW_CONTEXT_POPUP_H
  36
  37
  38 #include <PopUpMenu.h>
  39 #include "NavMenu.h"
  40
  41
  42 namespace BPrivate {
  43
  44 class BSlowContextMenu : public BPopUpMenu {
  45 public:
  46                                 BSlowContextMenu(const char* title);
  47         virtual         ~BSlowContextMenu();
  48
  49         virtual void AttachedToWindow();
  50         virtual void DetachedFromWindow();
  51
  52         void SetNavDir(const entry_ref*);
  53
  54         void ClearMenu();
  55
  56         void ForceRebuild();
  57         bool NeedsToRebuild() const;
  58                 // will cause menu to get rebuilt next time it is shown
  59
  60         void SetTarget(const BMessenger &);
  61         const BMessenger Target() const;
  62
  63         void SetTypesList(const BObjectList<BString>* list);
  64         const BObjectList<BString>* TypesList() const;
  65
  66         static ModelMenuItem* NewModelItem(Model*, const BMessage*,
  67                 const BMessenger&, bool suppressFolderHierarchy = false,
  68                 BContainerWindow* = NULL,
  69                 const BObjectList<BString>* typeslist = NULL,
  70                 TrackingHookData* hook = NULL);
  71
  72         TrackingHookData* InitTrackingHook(bool (*)(BMenu*, void*),
  73                 const BMessenger* target, const BMessage* dragMessage);
  74
  75         const bool IsShowing() const;
  76
  77 protected:
  78         virtual bool AddDynamicItem(add_state state);
  79         virtual bool StartBuildingItemList();
  80         virtual bool AddNextItem();
  81         virtual void DoneBuildingItemList();
  82         virtual void ClearMenuBuildingState();
  83
  84         void BuildVolumeMenu();
  85
  86         void AddOneItem(Model*);
  87         void AddRootItemsIfNeeded();
  88         void AddTrashItem();
  89         static void SetTrackingHookDeep(BMenu*, bool (*)(BMenu*, void*), void*);
  90
  91         bool fMenuBuilt;
  92
  93 private:
  94         entry_ref fNavDir;
  95         BMessage fMessage;
  96         BMessenger fMessenger;
  97         BWindow* fParentWindow;
  98
  99         // menu building state
 100         bool fVolsOnly;
 101         BObjectList<BMenuItem>* fItemList;
 102         EntryListBase* fContainer;
 103         bool fIteratingDesktop;
 104
 105         const BObjectList<BString>* fTypesList;
 106
 107         TrackingHookData fTrackingHook;
 108         bool fIsShowing;
 109                 // see note in AttachedToWindow
 110 };
 111
 112
 113 } // namespace BPrivate
 114
 115 using namespace BPrivate;
 116
 117
 118 inline const BObjectList<BString>*
 119 BSlowContextMenu::TypesList() const
 120 {
 121         return fTypesList;
 122 }
 123
 124
 125 inline const BMessenger
 126 BSlowContextMenu::Target() const
 127 {
 128         return fMessenger;
 129 }
 130
 131
 132 inline const bool
 133 BSlowContextMenu::IsShowing() const
 134 {
 135         return fIsShowing;
 136 }
 137
 138
 139 #endif  // _SLOW_CONTEXT_POPUP_H