src/servers/app/decorator/DecorManager.h

   1 /*
   2  * Copyright (c) 2001-2005, Haiku, Inc.
   3  * Distributed under the terms of the MIT license.
   4  *
   5  * Author:
   6  *              DarkWyrm <bpmagic@columbus.rr.com>
   7  *              Clemens Zeidler <haiku@clemens-zeidler.de>
   8  *              Joseph Groover <looncraz@satx.rr.com>
   9  */
  10 #ifndef DECOR_MANAGER_H
  11 #define DECOR_MANAGER_H
  12
  13
  14 #include <image.h>
  15 #include <String.h>
  16 #include <Locker.h>
  17 #include <ObjectList.h>
  18 #include <Entry.h>
  19 #include <DecorInfo.h>
  20
  21 #include "Decorator.h"
  22
  23 class Desktop;
  24 class DesktopListener;
  25 class DrawingEngine;
  26 class Window;
  27 class WindowBehaviour;
  28
  29
  30 typedef BObjectList<DesktopListener> DesktopListenerList;
  31
  32
  33 // special name to test for use of non-fs-tied default decorator
  34 // this just keeps things clean and simple is all
  35
  36 class DecorAddOn {
  37 public:
  38                                                                 DecorAddOn(image_id id, const char* name);
  39         virtual                                         ~DecorAddOn();
  40
  41         virtual status_t                        InitCheck() const;
  42
  43                         image_id                        ImageID() const { return fImageID; }
  44
  45                         Decorator*                      AllocateDecorator(Desktop* desktop,
  46                                                                         DrawingEngine* engine, BRect rect,
  47                                                                         const char* title, window_look look,
  48                                                                         uint32 flags);
  49
  50         virtual WindowBehaviour*        AllocateWindowBehaviour(Window* window);
  51
  52         virtual const DesktopListenerList& GetDesktopListeners();
  53
  54 protected:
  55         virtual Decorator*                      _AllocateDecorator(DesktopSettings& settings,
  56                                                                         BRect rect, Desktop* desktop);
  57
  58                         DesktopListenerList     fDesktopListeners;
  59
  60 private:
  61                         image_id                        fImageID;
  62                         BString                         fName;
  63 };
  64
  65
  66 class DecorManager {
  67 public:
  68                                                                 DecorManager();
  69                                                                 ~DecorManager();
  70
  71                         Decorator*                      AllocateDecorator(Window *window);
  72                         WindowBehaviour*        AllocateWindowBehaviour(Window *window);
  73                         void                            CleanupForWindow(Window *window);
  74
  75                         status_t                        PreviewDecorator(BString path, Window *window);
  76
  77                         const DesktopListenerList& GetDesktopListeners();
  78
  79                         BString                         GetCurrentDecorator() const;
  80                         status_t                        SetDecorator(BString path, Desktop *desktop);
  81
  82 private:
  83                         DecorAddOn*                     _LoadDecor(BString path, status_t &error);
  84                         bool                            _LoadSettingsFromDisk();
  85                         bool                            _SaveSettingsToDisk();
  86
  87 private:
  88                         DecorAddOn                      fDefaultDecor;
  89                         DecorAddOn*                     fCurrentDecor;
  90                         DecorAddOn*                     fPreviewDecor;
  91
  92                         Window*                         fPreviewWindow;
  93                         BString                         fCurrentDecorPath;
  94 };
  95
  96 extern DecorManager gDecorManager;
  97
  98 #endif  /* DECOR_MANAGER_H */