widget/src/beos/nsFilePicker.h

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  16  * The Original Code is the Mozilla browser.
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  20  * Portions created by the Initial Developer are Copyright (C) 2001
  21  * the Initial Developer. All Rights Reserved.
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  23  * Contributor(s):
  24  *   Makoto Hamanaka <VYA04230@nifty.com>
  25  *   Paul Ashford <arougthopher@lizardland.net>
  26  *   Sergei Dolgov <sergei_d@fi.tartu.ee>
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  41
  42 #ifndef nsFilePicker_h__
  43 #define nsFilePicker_h__
  44
  45 #ifndef DEBUG
  46 // XXX adding mLastUsedDirectory and code for handling last used folder on File Open/Save
  47 // caused crashes in DEBUG builds on some machines - see comments for bug 177720
  48 // works well on "normal" builds
  49 #define FILEPICKER_SAVE_LAST_DIR 1
  50 #endif
  51
  52 #include "nsICharsetConverterManager.h"
  53 #include "nsBaseFilePicker.h"
  54 #include "nsString.h"
  55 #include "nsdefs.h"
  56 #include "nsIFileChannel.h"
  57 #include "nsILocalFile.h"
  58 #include "nsISimpleEnumerator.h"
  59 #include "nsCOMArray.h"
  60
  61 //
  62 // Native BeOS FileSelector wrapper
  63 //
  64
  65 #include <StorageKit.h>
  66 #include <Message.h>
  67 #include <Window.h>
  68 #include <String.h>
  69 class BButton;
  70
  71 class nsFilePicker : public nsBaseFilePicker
  72 {
  73 public:
  74   NS_DECL_ISUPPORTS
  75
  76   nsFilePicker();
  77   virtual ~nsFilePicker();
  78
  79   // nsIFilePicker (less what's in nsBaseFilePicker)
  80   NS_IMETHOD GetDefaultString(nsAString& aDefaultString);
  81   NS_IMETHOD SetDefaultString(const nsAString& aDefaultString);
  82   NS_IMETHOD GetDefaultExtension(nsAString& aDefaultExtension);
  83   NS_IMETHOD SetDefaultExtension(const nsAString& aDefaultExtension);
  84   NS_IMETHOD GetFile(nsILocalFile * *aFile);
  85   NS_IMETHOD GetFileURL(nsIURI * *aFileURL);
  86   NS_IMETHOD GetFiles(nsISimpleEnumerator **aFiles);
  87   NS_IMETHOD Show(PRInt16 *_retval);
  88   NS_IMETHOD AppendFilter(const nsAString& aTitle, const nsAString& aFilter);
  89
  90 protected:
  91   // method from nsBaseFilePicker
  92   virtual void InitNative(nsIWidget *aParent, const nsAString& aTitle,
  93                           PRInt16 aMode);
  94
  95
  96   void GetFilterListArray(nsString& aFilterList);
  97
  98   BWindow*                      mParentWindow;
  99   nsString                      mTitle;
 100   PRInt16                       mMode;
 101   nsCString                     mFile;
 102   nsString                      mDefault;
 103   nsString                      mFilterList;
 104   nsIUnicodeEncoder*            mUnicodeEncoder;
 105   nsIUnicodeDecoder*            mUnicodeDecoder;
 106   PRInt16                       mSelectedType;
 107   nsCOMArray<nsILocalFile>      mFiles;
 108
 109 #ifdef FILEPICKER_SAVE_LAST_DIR
 110   static char                      mLastUsedDirectory[];
 111 #endif
 112 };
 113
 114 class nsFilePanelBeOS : public BLooper, public BFilePanel
 115 {
 116 public:
 117   nsFilePanelBeOS(file_panel_mode mode,
 118                   uint32 node_flavors,
 119                   bool allow_multiple_selection,
 120                   bool modal,
 121                   bool hide_when_done);
 122   virtual ~nsFilePanelBeOS();
 123
 124   virtual void MessageReceived(BMessage *message);
 125   virtual void WaitForSelection();
 126
 127   virtual void SelectionChanged();
 128
 129   virtual bool IsOpenSelected() {
 130     return (SelectedActivity() == OPEN_SELECTED);
 131   }
 132   virtual bool IsSaveSelected() {
 133     return (SelectedActivity() == SAVE_SELECTED);
 134   }
 135   virtual bool IsCancelSelected() {
 136     return (SelectedActivity() == CANCEL_SELECTED);
 137   }
 138   virtual uint32 SelectedActivity();
 139
 140   virtual BList *OpenRefs() { return &mOpenRefs; }
 141   virtual BString SaveFileName() { return mSaveFileName; }
 142   virtual entry_ref SaveDirRef() { return mSaveDirRef; }
 143
 144   enum {
 145       NOT_SELECTED    = 0,
 146       OPEN_SELECTED   = 1,
 147       SAVE_SELECTED   = 2,
 148       CANCEL_SELECTED = 3
 149   };
 150
 151 protected:
 152   BButton *mDirectoryButton;
 153   sem_id wait_sem ;
 154   uint32 mSelectedActivity;
 155   bool mIsSelected;
 156   BString mSaveFileName;
 157   entry_ref mSaveDirRef;
 158   BList mOpenRefs;
 159 };
 160
 161 #endif // nsFilePicker_h__