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nsFilePicker.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
00002  *
00003  * ***** BEGIN LICENSE BLOCK *****
00004  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00005  *
00006  * The contents of this file are subject to the Mozilla Public License Version
00007  * 1.1 (the "License"); you may not use this file except in compliance with
00008  * the License. You may obtain a copy of the License at
00009  * http://www.mozilla.org/MPL/
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00011  * Software distributed under the License is distributed on an "AS IS" basis,
00012  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00013  * for the specific language governing rights and limitations under the
00014  * License.
00015  *
00016  * The Original Code is the Mozilla browser.
00017  *
00018  * The Initial Developer of the Original Code is
00019  * Netscape Communications Corporation.
00020  * Portions created by the Initial Developer are Copyright (C) 2000
00021  * the Initial Developer. All Rights Reserved.
00022  *
00023  * Contributor(s):
00024  *   Stuart Parmenter <pavlov@netscape.com>
00025  *   Steve Dagley <sdagley@netscape.com>
00026  *
00027  * Alternatively, the contents of this file may be used under the terms of
00028  * either the GNU General Public License Version 2 or later (the "GPL"), or
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00039  * ***** END LICENSE BLOCK ***** */
00040 
00041 #ifndef nsFilePicker_h__
00042 #define nsFilePicker_h__
00043 
00044 #include <Navigation.h>
00045 
00046 #include "nsBaseFilePicker.h"
00047 #include "nsString.h"
00048 #include "nsIFileChannel.h"
00049 #include "nsILocalFile.h"
00050 #include "nsCOMArray.h"
00051 
00052 class nsILocalFileMac;
00053 
00054 #define       kMaxTypeListCount    10
00055 #define kMaxTypesPerFilter  9
00056 
00061 class nsFilePicker : public nsBaseFilePicker
00062 {
00063 public:
00064   nsFilePicker(); 
00065   virtual ~nsFilePicker();
00066 
00067   NS_DECL_ISUPPORTS
00068    
00069     // nsIFilePicker (less what's in nsBaseFilePicker)
00070   NS_IMETHOD GetDefaultString(nsAString& aDefaultString);
00071   NS_IMETHOD SetDefaultString(const nsAString& aDefaultString);
00072   NS_IMETHOD GetDefaultExtension(nsAString& aDefaultExtension);
00073   NS_IMETHOD SetDefaultExtension(const nsAString& aDefaultExtension);
00074   NS_IMETHOD GetFilterIndex(PRInt32 *aFilterIndex);
00075   NS_IMETHOD SetFilterIndex(PRInt32 aFilterIndex);
00076   NS_IMETHOD GetFile(nsILocalFile * *aFile);
00077   NS_IMETHOD GetFileURL(nsIFileURL * *aFileURL);
00078   NS_IMETHOD GetFiles(nsISimpleEnumerator **aFiles);
00079   NS_IMETHOD Show(PRInt16 *_retval); 
00080   NS_IMETHOD AppendFilter(const nsAString& aTitle, const nsAString& aFilter);
00081 
00082 protected:
00083 
00084   virtual void InitNative(nsIWidget *aParent, const nsAString& aTitle,
00085                           PRInt16 aMode);
00086 
00087     // actual implementations of get/put dialogs using NavServices
00088   PRInt16 GetLocalFiles(const nsString& inTitle, PRBool inAllowMultiple, nsCOMArray<nsILocalFile>& outFiles);
00089   PRInt16 GetLocalFolder(const nsString& inTitle, nsILocalFile** outFile);
00090   PRInt16 PutLocalFile(const nsString& inTitle, const nsString& inDefaultName, nsILocalFile** outFile);
00091   
00092   void MapFilterToFileTypes ( ) ;
00093   void SetupFormatMenuItems (NavDialogCreationOptions* dialogCreateOptions) ;
00094   Boolean IsTypeInFilterList ( ResType inType ) ;
00095   Boolean IsExtensionInFilterList ( StrFileName & inFileName ) ;
00096   void HandleShowPopupMenuSelect( NavCBRecPtr callBackParms ) ;
00097   
00098     // filter routine for file dialog events
00099   static pascal void FileDialogEventHandlerProc( NavEventCallbackMessage msg,
00100                                                  NavCBRecPtr cbRec,
00101                                                  NavCallBackUserData callbackUD ) ;
00102   
00103     // filter routine for file types
00104   static pascal Boolean FileDialogFilterProc ( AEDesc* theItem, void* info,
00105                                                 NavCallBackUserData callbackUD,
00106                                                 NavFilterModes filterMode ) ;
00107                                                 
00108   PRPackedBool           mAllFilesDisplayed;
00109   PRPackedBool           mApplicationsDisplayed;
00110   nsString               mTitle;
00111   PRInt16                mMode;
00112   nsCOMArray<nsILocalFile> mFiles;
00113   nsString               mDefault;
00114 
00115   nsStringArray          mFilters; 
00116   nsStringArray          mTitles;
00117   nsCStringArray         mFlatFilters;        // all the filters from mFilters, but one per string
00118   
00119   NavTypeListPtr         mTypeLists[kMaxTypeListCount];
00120 
00121   static OSType          sCurrentProcessSignature;
00122   
00123   PRInt32                mSelectedType;
00124   PRInt32                mTypeOffset;       // Work around Nav Services 1.0 bug
00125 };
00126 
00127 #endif // nsFilePicker_h__