widget/src/xpwidgets/nsBaseFilePicker.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version
   7  * 1.1 (the "License"); you may not use this file except in compliance with
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   9  * http://www.mozilla.org/MPL/
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  11  * Software distributed under the License is distributed on an "AS IS" basis,
  12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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  16  * The Original Code is the Mozilla browser.
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  18  * The Initial Developer of the Original Code is
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  20  * Portions created by the Initial Developer are Copyright (C) 1999
  21  * the Initial Developer. All Rights Reserved.
  22  *
  23  * Contributor(s):
  24  *   Stuart Parmenter <pavlov@netscape.com>
  25  *   Mike Pinkerton   <pinkerton@netscape.com>
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  27  * Alternatively, the contents of this file may be used under the terms of
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  39  * ***** END LICENSE BLOCK ***** */
  40
  41 #include "nsCOMPtr.h"
  42 #include "nsPIDOMWindow.h"
  43 #include "nsIDocShell.h"
  44 #include "nsIDocShellTreeItem.h"
  45 #include "nsIInterfaceRequestorUtils.h"
  46 #include "nsIBaseWindow.h"
  47 #include "nsIContentViewer.h"
  48 #include "nsIDocumentViewer.h"
  49 #include "nsIWidget.h"
  50
  51 #include "nsIStringBundle.h"
  52 #include "nsXPIDLString.h"
  53 #include "nsIServiceManager.h"
  54 #include "nsISupportsArray.h"
  55 #include "nsILocalFile.h"
  56 #include "nsEnumeratorUtils.h"
  57
  58 #include "nsBaseFilePicker.h"
  59
  60 #define FILEPICKER_PROPERTIES "chrome://global/locale/filepicker.properties"
  61
  62 nsBaseFilePicker::nsBaseFilePicker()
  63 {
  64
  65 }
  66
  67 nsBaseFilePicker::~nsBaseFilePicker()
  68 {
  69
  70 }
  71
  72 // XXXdholbert -- this function is duplicated in nsPrintDialogGTK.cpp
  73 // and needs to be unified in some generic utility class.
  74 nsIWidget *nsBaseFilePicker::DOMWindowToWidget(nsIDOMWindow *dw)
  75 {
  76   nsCOMPtr<nsIWidget> widget;
  77
  78   nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(dw);
  79   if (window) {
  80     nsCOMPtr<nsIBaseWindow> baseWin(do_QueryInterface(window->GetDocShell()));
  81
  82     while (!widget && baseWin) {
  83       baseWin->GetParentWidget(getter_AddRefs(widget));
  84       if (!widget) {
  85         nsCOMPtr<nsIDocShellTreeItem> docShellAsItem(do_QueryInterface(baseWin));
  86         if (!docShellAsItem)
  87           return nsnull;
  88
  89         nsCOMPtr<nsIDocShellTreeItem> parent;
  90         docShellAsItem->GetSameTypeParent(getter_AddRefs(parent));
  91
  92         window = do_GetInterface(parent);
  93         if (!window)
  94           return nsnull;
  95
  96         baseWin = do_QueryInterface(window->GetDocShell());
  97       }
  98     }
  99   }
 100
 101   // This will return a pointer that we're about to release, but
 102   // that's ok since the docshell (nsIBaseWindow) holds the widget
 103   // alive.
 104   return widget.get();
 105 }
 106
 107 //-------------------------------------------------------------------------
 108 NS_IMETHODIMP nsBaseFilePicker::Init(nsIDOMWindow *aParent,
 109                                      const nsAString& aTitle,
 110                                      PRInt16 aMode)
 111 {
 112   NS_PRECONDITION(aParent, "Null parent passed to filepicker, no file "
 113                   "picker for you!");
 114   nsIWidget *widget = DOMWindowToWidget(aParent);
 115   NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE);
 116
 117   InitNative(widget, aTitle, aMode);
 118
 119   return NS_OK;
 120 }
 121
 122
 123 NS_IMETHODIMP
 124 nsBaseFilePicker::AppendFilters(PRInt32 aFilterMask)
 125 {
 126   nsresult rv;
 127   nsCOMPtr<nsIStringBundleService> stringService = do_GetService(NS_STRINGBUNDLE_CONTRACTID);
 128   nsCOMPtr<nsIStringBundle> stringBundle;
 129
 130   rv = stringService->CreateBundle(FILEPICKER_PROPERTIES, getter_AddRefs(stringBundle));
 131   if (NS_FAILED(rv))
 132     return NS_ERROR_FAILURE;
 133
 134   nsXPIDLString title;
 135   nsXPIDLString filter;
 136
 137   if (aFilterMask & filterAll) {
 138     stringBundle->GetStringFromName(NS_LITERAL_STRING("allTitle").get(), getter_Copies(title));
 139     stringBundle->GetStringFromName(NS_LITERAL_STRING("allFilter").get(), getter_Copies(filter));
 140     AppendFilter(title,filter);
 141   }
 142   if (aFilterMask & filterHTML) {
 143     stringBundle->GetStringFromName(NS_LITERAL_STRING("htmlTitle").get(), getter_Copies(title));
 144     stringBundle->GetStringFromName(NS_LITERAL_STRING("htmlFilter").get(), getter_Copies(filter));
 145     AppendFilter(title,filter);
 146   }
 147   if (aFilterMask & filterText) {
 148     stringBundle->GetStringFromName(NS_LITERAL_STRING("textTitle").get(), getter_Copies(title));
 149     stringBundle->GetStringFromName(NS_LITERAL_STRING("textFilter").get(), getter_Copies(filter));
 150     AppendFilter(title,filter);
 151   }
 152   if (aFilterMask & filterImages) {
 153     stringBundle->GetStringFromName(NS_LITERAL_STRING("imageTitle").get(), getter_Copies(title));
 154     stringBundle->GetStringFromName(NS_LITERAL_STRING("imageFilter").get(), getter_Copies(filter));
 155     AppendFilter(title,filter);
 156   }
 157   if (aFilterMask & filterXML) {
 158     stringBundle->GetStringFromName(NS_LITERAL_STRING("xmlTitle").get(), getter_Copies(title));
 159     stringBundle->GetStringFromName(NS_LITERAL_STRING("xmlFilter").get(), getter_Copies(filter));
 160     AppendFilter(title,filter);
 161   }
 162   if (aFilterMask & filterXUL) {
 163     stringBundle->GetStringFromName(NS_LITERAL_STRING("xulTitle").get(), getter_Copies(title));
 164     stringBundle->GetStringFromName(NS_LITERAL_STRING("xulFilter").get(), getter_Copies(filter));
 165     AppendFilter(title, filter);
 166   }
 167   if (aFilterMask & filterApps) {
 168     stringBundle->GetStringFromName(NS_LITERAL_STRING("appsTitle").get(), getter_Copies(title));
 169     // Pass the magic string "..apps" to the platform filepicker, which it
 170     // should recognize and do the correct platform behavior for.
 171     AppendFilter(title, NS_LITERAL_STRING("..apps"));
 172   }
 173   return NS_OK;
 174 }
 175
 176 //-------------------------------------------------------------------------
 177 //
 178 // Set the filter index
 179 //
 180 //-------------------------------------------------------------------------
 181 NS_IMETHODIMP nsBaseFilePicker::GetFilterIndex(PRInt32 *aFilterIndex)
 182 {
 183   *aFilterIndex = 0;
 184   return NS_OK;
 185 }
 186
 187 NS_IMETHODIMP nsBaseFilePicker::SetFilterIndex(PRInt32 aFilterIndex)
 188 {
 189   return NS_OK;
 190 }
 191
 192 NS_IMETHODIMP nsBaseFilePicker::GetFiles(nsISimpleEnumerator **aFiles)
 193 {
 194   NS_ENSURE_ARG_POINTER(aFiles);
 195   nsCOMPtr <nsISupportsArray> files;
 196   nsresult rv = NS_NewISupportsArray(getter_AddRefs(files));
 197   NS_ENSURE_SUCCESS(rv,rv);
 198
 199   // if we get into the base class, the platform
 200   // doesn't implement GetFiles() yet.
 201   // so we fake it.
 202   nsCOMPtr <nsILocalFile> file;
 203   rv = GetFile(getter_AddRefs(file));
 204   NS_ENSURE_SUCCESS(rv,rv);
 205
 206   rv = files->AppendElement(file);
 207   NS_ENSURE_SUCCESS(rv,rv);
 208
 209   return NS_NewArrayEnumerator(aFiles, files);
 210 }
 211
 212 #ifdef BASEFILEPICKER_HAS_DISPLAYDIRECTORY
 213 //-------------------------------------------------------------------------
 214 //
 215 // Set the display directory
 216 //
 217 //-------------------------------------------------------------------------
 218 NS_IMETHODIMP nsBaseFilePicker::SetDisplayDirectory(nsILocalFile *aDirectory)
 219 {
 220   if (!aDirectory) {
 221     mDisplayDirectory = nsnull;
 222     return NS_OK;
 223   }
 224   nsCOMPtr<nsIFile> directory;
 225   nsresult rv = aDirectory->Clone(getter_AddRefs(directory));
 226   if (NS_FAILED(rv))
 227     return rv;
 228   mDisplayDirectory = do_QueryInterface(directory, &rv);
 229   return rv;
 230 }
 231
 232 //-------------------------------------------------------------------------
 233 //
 234 // Get the display directory
 235 //
 236 //-------------------------------------------------------------------------
 237 NS_IMETHODIMP nsBaseFilePicker::GetDisplayDirectory(nsILocalFile **aDirectory)
 238 {
 239   *aDirectory = nsnull;
 240   if (!mDisplayDirectory)
 241     return NS_OK;
 242   nsCOMPtr<nsIFile> directory;
 243   nsresult rv = mDisplayDirectory->Clone(getter_AddRefs(directory));
 244   if (NS_FAILED(rv))
 245     return rv;
 246   return CallQueryInterface(directory, aDirectory);
 247 }
 248 #endif