Add m-esr52 at 52.6.0

1 files changed, 833 insertions, 0 deletions

diff --git a/toolkit/components/filepicker/content/filepicker.js b/toolkit/components/filepicker/content/filepicker.js
new file mode 100644
index 000000000..6f91066ba
--- /dev/null
+++ b/toolkit/components/filepicker/content/filepicker.js
@@ -0,0 +1,833 @@
+// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const nsIFilePicker       = Components.interfaces.nsIFilePicker;
+const nsIProperties       = Components.interfaces.nsIProperties;
+const NS_DIRECTORYSERVICE_CONTRACTID = "@mozilla.org/file/directory_service;1";
+const NS_IOSERVICE_CONTRACTID = "@mozilla.org/network/io-service;1";
+const nsIFileView = Components.interfaces.nsIFileView;
+const NS_FILEVIEW_CONTRACTID = "@mozilla.org/filepicker/fileview;1";
+const nsITreeView = Components.interfaces.nsITreeView;
+const nsILocalFile = Components.interfaces.nsILocalFile;
+const nsIFile = Components.interfaces.nsIFile;
+const NS_LOCAL_FILE_CONTRACTID = "@mozilla.org/file/local;1";
+const NS_PROMPTSERVICE_CONTRACTID = "@mozilla.org/embedcomp/prompt-service;1";
+
+var sfile = Components.classes[NS_LOCAL_FILE_CONTRACTID].createInstance(nsILocalFile);
+var retvals;
+var filePickerMode;
+var homeDir;
+var treeView;
+var allowURLs;
+
+var textInput;
+var okButton;
+
+var gFilePickerBundle;
+
+// name of new directory entered by the user to be remembered
+// for next call of newDir() in case something goes wrong with creation
+var gNewDirName = { value: "" };
+
+function filepickerLoad() {
+  gFilePickerBundle = document.getElementById("bundle_filepicker");
+
+  textInput = document.getElementById("textInput");
+  okButton = document.documentElement.getButton("accept");
+  treeView = Components.classes[NS_FILEVIEW_CONTRACTID].createInstance(nsIFileView);
+
+  if (window.arguments) {
+    var o = window.arguments[0];
+    retvals = o.retvals; /* set this to a global var so we can set return values */
+    const title = o.title;
+    filePickerMode = o.mode;
+    if (o.displayDirectory) {
+      var directory = o.displayDirectory.path;
+    }
+
+    const initialText = o.defaultString;
+    var filterTitles = o.filters.titles;
+    var filterTypes = o.filters.types;
+    var numFilters = filterTitles.length;
+
+    document.title = title;
+    allowURLs = o.allowURLs;
+
+    if (initialText) {
+      textInput.value = initialText;
+    }
+  }
+
+  if (filePickerMode != nsIFilePicker.modeOpen && filePickerMode != nsIFilePicker.modeOpenMultiple) {
+    var newDirButton = document.getElementById("newDirButton");
+    newDirButton.removeAttribute("hidden");
+  }
+
+  if (filePickerMode == nsIFilePicker.modeGetFolder) {
+    var textInputLabel = document.getElementById("textInputLabel");
+    textInputLabel.value = gFilePickerBundle.getString("dirTextInputLabel");
+    textInputLabel.accessKey = gFilePickerBundle.getString("dirTextInputAccesskey");
+  }
+
+  if ((filePickerMode == nsIFilePicker.modeOpen) ||
+      (filePickerMode == nsIFilePicker.modeOpenMultiple) ||
+      (filePickerMode == nsIFilePicker.modeSave)) {
+
+    /* build filter popup */
+    var filterPopup = document.createElement("menupopup");
+
+    for (var i = 0; i < numFilters; i++) {
+      var menuItem = document.createElement("menuitem");
+      if (filterTypes[i] == "..apps")
+        menuItem.setAttribute("label", filterTitles[i]);
+      else
+        menuItem.setAttribute("label", filterTitles[i] + " (" + filterTypes[i] + ")");
+      menuItem.setAttribute("filters", filterTypes[i]);
+      filterPopup.appendChild(menuItem);
+    }
+
+    var filterMenuList = document.getElementById("filterMenuList");
+    filterMenuList.appendChild(filterPopup);
+    if (numFilters > 0)
+      filterMenuList.selectedIndex = 0;
+    var filterBox = document.getElementById("filterBox");
+    filterBox.removeAttribute("hidden");
+
+    filterMenuList.selectedIndex = o.filterIndex;
+
+    treeView.setFilter(filterTypes[o.filterIndex]);
+
+  } else if (filePickerMode == nsIFilePicker.modeGetFolder) {
+    treeView.showOnlyDirectories = true;
+  }
+
+  // The dialog defaults to an "open" icon, change it to "save" if applicable
+  if (filePickerMode == nsIFilePicker.modeSave)
+    okButton.setAttribute("icon", "save");
+
+  // start out with a filename sort
+  handleColumnClick("FilenameColumn");
+
+  try {
+    setOKAction();
+  } catch (exception) {
+    // keep it set to "OK"
+  }
+
+  // setup the dialogOverlay.xul button handlers
+  retvals.buttonStatus = nsIFilePicker.returnCancel;
+
+  var tree = document.getElementById("directoryTree");
+  if (filePickerMode == nsIFilePicker.modeOpenMultiple)
+    tree.removeAttribute("seltype");
+
+  tree.view = treeView;
+
+  // Start out with the ok button disabled since nothing will be
+  // selected and nothing will be in the text field.
+  okButton.disabled = filePickerMode != nsIFilePicker.modeGetFolder;
+
+  // This allows the window to show onscreen before we begin
+  // loading the file list
+
+  setTimeout(setInitialDirectory, 0, directory);
+}
+
+function setInitialDirectory(directory)
+{
+  // Start in the user's home directory
+  var dirService = Components.classes[NS_DIRECTORYSERVICE_CONTRACTID]
+                             .getService(nsIProperties);
+  homeDir = dirService.get("Home", Components.interfaces.nsIFile);
+
+  if (directory) {
+    sfile.initWithPath(directory);
+    if (!sfile.exists() || !sfile.isDirectory())
+      directory = false;
+  }
+  if (!directory) {
+    sfile.initWithPath(homeDir.path);
+  }
+
+  gotoDirectory(sfile);
+}
+
+function onFilterChanged(target)
+{
+  // Do this on a timeout callback so the filter list can roll up
+  // and we don't keep the mouse grabbed while we are refiltering.
+
+  setTimeout(changeFilter, 0, target.getAttribute("filters"));
+}
+
+function changeFilter(filterTypes)
+{
+  window.setCursor("wait");
+  treeView.setFilter(filterTypes);
+  window.setCursor("auto");
+}
+
+function showErrorDialog(titleStrName, messageStrName, file)
+{
+  var errorTitle =
+    gFilePickerBundle.getFormattedString(titleStrName, [file.path]);
+  var errorMessage =
+    gFilePickerBundle.getFormattedString(messageStrName, [file.path]);
+  var promptService =
+    Components.classes[NS_PROMPTSERVICE_CONTRACTID].getService(Components.interfaces.nsIPromptService);
+
+  promptService.alert(window, errorTitle, errorMessage);
+}
+
+function openOnOK()
+{
+  var dir = treeView.selectedFiles.queryElementAt(0, nsIFile);
+  if (dir)
+    gotoDirectory(dir);
+
+  return false;
+}
+
+function selectOnOK()
+{
+  var errorTitle, errorMessage, promptService;
+  var ret = nsIFilePicker.returnOK;
+
+  var isDir = false;
+  var isFile = false;
+
+  retvals.filterIndex = document.getElementById("filterMenuList").selectedIndex;
+  retvals.fileURL = null;
+
+  if (allowURLs) {
+    try {
+      var ios = Components.classes[NS_IOSERVICE_CONTRACTID].getService(Components.interfaces.nsIIOService);
+      retvals.fileURL = ios.newURI(textInput.value, null, null);
+      let fileList = [];
+      if (retvals.fileURL instanceof Components.interfaces.nsIFileURL)
+        fileList.push(retvals.fileURL.file);
+      gFilesEnumerator.mFiles = fileList;
+      retvals.files = gFilesEnumerator;
+      retvals.buttonStatus = ret;
+
+      return true;
+    } catch (e) {
+    }
+  }
+
+  var fileList = processPath(textInput.value);
+  if (!fileList) {
+    // generic error message, should probably never happen
+    showErrorDialog("errorPathProblemTitle",
+                    "errorPathProblemMessage",
+                    textInput.value);
+    return false;
+  }
+
+  var curFileIndex;
+  for (curFileIndex = 0; curFileIndex < fileList.length &&
+         ret != nsIFilePicker.returnCancel; ++curFileIndex) {
+    var file = fileList[curFileIndex].QueryInterface(nsIFile);
+
+    // try to normalize - if this fails we will ignore the error
+    // because we will notice the
+    // error later and show a fitting error alert.
+    try {
+      file.normalize();
+    } catch (e) {
+      // promptService.alert(window, "Problem", "normalize failed, continuing");
+    }
+
+    var fileExists = file.exists();
+
+    if (!fileExists && (filePickerMode == nsIFilePicker.modeOpen ||
+                        filePickerMode == nsIFilePicker.modeOpenMultiple)) {
+      showErrorDialog("errorOpenFileDoesntExistTitle",
+                      "errorOpenFileDoesntExistMessage",
+                      file);
+      return false;
+    }
+
+    if (!fileExists && filePickerMode == nsIFilePicker.modeGetFolder) {
+      showErrorDialog("errorDirDoesntExistTitle",
+                      "errorDirDoesntExistMessage",
+                      file);
+      return false;
+    }
+
+    if (fileExists) {
+      isDir = file.isDirectory();
+      isFile = file.isFile();
+    }
+
+    switch (filePickerMode) {
+    case nsIFilePicker.modeOpen:
+    case nsIFilePicker.modeOpenMultiple:
+      if (isFile) {
+        if (file.isReadable()) {
+          retvals.directory = file.parent.path;
+        } else {
+          showErrorDialog("errorOpeningFileTitle",
+                          "openWithoutPermissionMessage_file",
+                          file);
+          ret = nsIFilePicker.returnCancel;
+        }
+      } else if (isDir) {
+        if (!sfile.equals(file)) {
+          gotoDirectory(file);
+        }
+        textInput.value = "";
+        doEnabling();
+        ret = nsIFilePicker.returnCancel;
+      }
+      break;
+    case nsIFilePicker.modeSave:
+      if (isFile) { // can only be true if file.exists()
+        if (!file.isWritable()) {
+          showErrorDialog("errorSavingFileTitle",
+                          "saveWithoutPermissionMessage_file",
+                          file);
+          ret = nsIFilePicker.returnCancel;
+        } else {
+          // we need to pop up a dialog asking if you want to save
+          var confirmTitle = gFilePickerBundle.getString("confirmTitle");
+          var message =
+            gFilePickerBundle.getFormattedString("confirmFileReplacing",
+                                                 [file.path]);
+
+          promptService = Components.classes[NS_PROMPTSERVICE_CONTRACTID].getService(Components.interfaces.nsIPromptService);
+          var rv = promptService.confirm(window, confirmTitle, message);
+          if (rv) {
+            ret = nsIFilePicker.returnReplace;
+            retvals.directory = file.parent.path;
+          } else {
+            ret = nsIFilePicker.returnCancel;
+          }
+        }
+      } else if (isDir) {
+        if (!sfile.equals(file)) {
+          gotoDirectory(file);
+        }
+        textInput.value = "";
+        doEnabling();
+        ret = nsIFilePicker.returnCancel;
+      } else {
+        var parent = file.parent;
+        if (parent.exists() && parent.isDirectory() && parent.isWritable()) {
+          retvals.directory = parent.path;
+        } else {
+          var oldParent = parent;
+          while (!parent.exists()) {
+            oldParent = parent;
+            parent = parent.parent;
+          }
+          errorTitle =
+            gFilePickerBundle.getFormattedString("errorSavingFileTitle",
+                                                 [file.path]);
+          if (parent.isFile()) {
+            errorMessage =
+              gFilePickerBundle.getFormattedString("saveParentIsFileMessage",
+                                                   [parent.path, file.path]);
+          } else {
+            errorMessage =
+              gFilePickerBundle.getFormattedString("saveParentDoesntExistMessage",
+                                                   [oldParent.path, file.path]);
+          }
+          if (!parent.isWritable()) {
+            errorMessage =
+              gFilePickerBundle.getFormattedString("saveWithoutPermissionMessage_dir", [parent.path]);
+          }
+          promptService = Components.classes[NS_PROMPTSERVICE_CONTRACTID].getService(Components.interfaces.nsIPromptService);
+          promptService.alert(window, errorTitle, errorMessage);
+          ret = nsIFilePicker.returnCancel;
+        }
+      }
+      break;
+    case nsIFilePicker.modeGetFolder:
+      if (isDir) {
+        retvals.directory = file.parent.path;
+      } else { // if nothing selected, the current directory will be fine
+        retvals.directory = sfile.path;
+      }
+      break;
+    }
+  }
+
+  gFilesEnumerator.mFiles = fileList;
+
+  retvals.files = gFilesEnumerator;
+  retvals.buttonStatus = ret;
+
+  return (ret != nsIFilePicker.returnCancel);
+}
+
+var gFilesEnumerator = {
+  mFiles: null,
+  mIndex: 0,
+
+  hasMoreElements: function()
+  {
+    return (this.mIndex < this.mFiles.length);
+  },
+  getNext: function()
+  {
+    if (this.mIndex >= this.mFiles.length)
+      throw Components.results.NS_ERROR_FAILURE;
+    return this.mFiles[this.mIndex++];
+  }
+};
+
+function onCancel()
+{
+  // Close the window.
+  retvals.buttonStatus = nsIFilePicker.returnCancel;
+  retvals.file = null;
+  retvals.files = null;
+  return true;
+}
+
+function onDblClick(e) {
+  // we only care about button 0 (left click) events
+  if (e.button != 0) return;
+
+  var t = e.originalTarget;
+  if (t.localName != "treechildren")
+    return;
+
+  openSelectedFile();
+}
+
+function openSelectedFile() {
+  var fileList = treeView.selectedFiles;
+  if (fileList.length == 0)
+    return;
+
+  var file = fileList.queryElementAt(0, nsIFile);
+  if (file.isDirectory())
+    gotoDirectory(file);
+  else if (file.isFile())
+    document.documentElement.acceptDialog();
+}
+
+function onClick(e) {
+  var t = e.originalTarget;
+  if (t.localName == "treecol")
+    handleColumnClick(t.id);
+}
+
+function convertColumnIDtoSortType(columnID) {
+  var sortKey;
+
+  switch (columnID) {
+  case "FilenameColumn":
+    sortKey = nsIFileView.sortName;
+    break;
+  case "FileSizeColumn":
+    sortKey = nsIFileView.sortSize;
+    break;
+  case "LastModifiedColumn":
+    sortKey = nsIFileView.sortDate;
+    break;
+  default:
+    dump("unsupported sort column: " + columnID + "\n");
+    sortKey = 0;
+    break;
+  }
+
+  return sortKey;
+}
+
+function handleColumnClick(columnID) {
+  var sortType = convertColumnIDtoSortType(columnID);
+  var sortOrder = (treeView.sortType == sortType) ? !treeView.reverseSort : false;
+  treeView.sort(sortType, sortOrder);
+
+  // set the sort indicator on the column we are sorted by
+  var sortedColumn = document.getElementById(columnID);
+  if (treeView.reverseSort) {
+    sortedColumn.setAttribute("sortDirection", "descending");
+  } else {
+    sortedColumn.setAttribute("sortDirection", "ascending");
+  }
+
+  // remove the sort indicator from the rest of the columns
+  var currCol = sortedColumn.parentNode.firstChild;
+  while (currCol) {
+    if (currCol != sortedColumn && currCol.localName == "treecol")
+      currCol.removeAttribute("sortDirection");
+    currCol = currCol.nextSibling;
+  }
+}
+
+function onKeypress(e) {
+  if (e.keyCode == 8) /* backspace */
+    goUp();
+
+  /* enter is handled by the ondialogaccept handler */
+}
+
+function doEnabling() {
+  if (filePickerMode != nsIFilePicker.modeGetFolder)
+  // Maybe add check if textInput.value would resolve to an existing
+  // file or directory in .modeOpen. Too costly I think.
+    okButton.disabled = (textInput.value == "")
+}
+
+function onTreeFocus(event) {
+  // Reset the button label and enabled/disabled state.
+  onFileSelected(treeView.selectedFiles);
+}
+
+function setOKAction(file) {
+  var buttonLabel;
+  var buttonIcon = "open"; // used in all but one case
+
+  if (file && file.isDirectory()) {
+    document.documentElement.setAttribute("ondialogaccept", "return openOnOK();");
+    buttonLabel = gFilePickerBundle.getString("openButtonLabel");
+  }
+  else {
+    document.documentElement.setAttribute("ondialogaccept", "return selectOnOK();");
+    switch (filePickerMode) {
+    case nsIFilePicker.modeGetFolder:
+      buttonLabel = gFilePickerBundle.getString("selectFolderButtonLabel");
+      break;
+    case nsIFilePicker.modeOpen:
+    case nsIFilePicker.modeOpenMultiple:
+      buttonLabel = gFilePickerBundle.getString("openButtonLabel");
+      break;
+    case nsIFilePicker.modeSave:
+      buttonLabel = gFilePickerBundle.getString("saveButtonLabel");
+      buttonIcon = "save";
+      break;
+    }
+  }
+  okButton.setAttribute("label", buttonLabel);
+  okButton.setAttribute("icon", buttonIcon);
+}
+
+function onSelect(event) {
+  onFileSelected(treeView.selectedFiles);
+}
+
+function onFileSelected(/* nsIArray */ selectedFileList) {
+  var validFileSelected = false;
+  var invalidSelection = false;
+  var file;
+  var fileCount = selectedFileList.length;
+
+  for (var index = 0; index < fileCount; ++index) {
+    file = selectedFileList.queryElementAt(index, nsIFile);
+    if (file) {
+      var path = file.leafName;
+
+      if (path) {
+        var isDir = file.isDirectory();
+        if ((filePickerMode == nsIFilePicker.modeGetFolder) || !isDir) {
+          if (!validFileSelected)
+            textInput.value = "";
+          addToTextFieldValue(path);
+        }
+
+        if (isDir && fileCount > 1) {
+          // The user has selected multiple items, and one of them is
+          // a directory.  This is not a valid state, so we'll disable
+          // the ok button.
+          invalidSelection = true;
+        }
+
+        validFileSelected = true;
+      }
+    }
+  }
+
+  if (validFileSelected) {
+    setOKAction(file);
+    okButton.disabled = invalidSelection;
+  } else if (filePickerMode != nsIFilePicker.modeGetFolder)
+    okButton.disabled = (textInput.value == "");
+}
+
+function addToTextFieldValue(path)
+{
+  var newValue = "";
+
+  if (textInput.value == "")
+    newValue = path.replace(/\"/g, "\\\"");
+  else {
+    // Quote the existing text if needed,
+    // then append the new filename (quoted and escaped)
+    if (textInput.value[0] != '"')
+      newValue = '"' + textInput.value.replace(/\"/g, "\\\"") + '"';
+    else
+      newValue = textInput.value;
+
+    newValue = newValue + ' "' + path.replace(/\"/g, "\\\"") + '"';
+  }
+
+  textInput.value = newValue;
+}
+
+function onTextFieldFocus() {
+  setOKAction(null);
+  doEnabling();
+}
+
+function onDirectoryChanged(target)
+{
+  var path = target.getAttribute("label");
+
+  var file = Components.classes[NS_LOCAL_FILE_CONTRACTID].createInstance(nsILocalFile);
+  file.initWithPath(path);
+
+  if (!sfile.equals(file)) {
+    // Do this on a timeout callback so the directory list can roll up
+    // and we don't keep the mouse grabbed while we are loading.
+
+    setTimeout(gotoDirectory, 0, file);
+  }
+}
+
+function populateAncestorList(directory) {
+  var menu = document.getElementById("lookInMenu");
+
+  while (menu.hasChildNodes()) {
+    menu.removeChild(menu.firstChild);
+  }
+
+  var menuItem = document.createElement("menuitem");
+  menuItem.setAttribute("label", directory.path);
+  menuItem.setAttribute("crop", "start");
+  menu.appendChild(menuItem);
+
+  // .parent is _sometimes_ null, see bug 121489.  Do a dance around that.
+  var parent = directory.parent;
+  while (parent && !parent.equals(directory)) {
+    menuItem = document.createElement("menuitem");
+    menuItem.setAttribute("label", parent.path);
+    menuItem.setAttribute("crop", "start");
+    menu.appendChild(menuItem);
+    directory = parent;
+    parent = directory.parent;
+  }
+
+  var menuList = document.getElementById("lookInMenuList");
+  menuList.selectedIndex = 0;
+}
+
+function goUp() {
+  try {
+    var parent = sfile.parent;
+  } catch (ex) { dump("can't get parent directory\n"); }
+
+  if (parent) {
+    gotoDirectory(parent);
+  }
+}
+
+function goHome() {
+  gotoDirectory(homeDir);
+}
+
+function newDir() {
+  var file;
+  var promptService =
+    Components.classes[NS_PROMPTSERVICE_CONTRACTID].getService(Components.interfaces.nsIPromptService);
+  var dialogTitle =
+    gFilePickerBundle.getString("promptNewDirTitle");
+  var dialogMsg =
+    gFilePickerBundle.getString("promptNewDirMessage");
+  var ret = promptService.prompt(window, dialogTitle, dialogMsg, gNewDirName, null, {value:0});
+
+  if (ret) {
+    file = processPath(gNewDirName.value);
+    if (!file) {
+      showErrorDialog("errorCreateNewDirTitle",
+                      "errorCreateNewDirMessage",
+                      file);
+      return false;
+    }
+
+    file = file[0].QueryInterface(nsIFile);
+    if (file.exists()) {
+      showErrorDialog("errorNewDirDoesExistTitle",
+                      "errorNewDirDoesExistMessage",
+                      file);
+      return false;
+    }
+
+    var parent = file.parent;
+    if (!(parent.exists() && parent.isDirectory() && parent.isWritable())) {
+      while (!parent.exists()) {
+        parent = parent.parent;
+      }
+      if (parent.isFile()) {
+        showErrorDialog("errorCreateNewDirTitle",
+                        "errorCreateNewDirIsFileMessage",
+                        parent);
+        return false;
+      }
+      if (!parent.isWritable()) {
+        showErrorDialog("errorCreateNewDirTitle",
+                        "errorCreateNewDirPermissionMessage",
+                        parent);
+        return false;
+      }
+    }
+
+    try {
+      file.create(nsIFile.DIRECTORY_TYPE, 0o755);
+    } catch (e) {
+      showErrorDialog("errorCreateNewDirTitle",
+                      "errorCreateNewDirMessage",
+                      file);
+      return false;
+    }
+    file.normalize(); // ... in case ".." was used in the path
+    gotoDirectory(file);
+    // we remember and reshow a dirname if something goes wrong
+    // so that errors can be corrected more easily. If all went well,
+    // reset the default value to blank
+    gNewDirName = { value: "" };
+  }
+  return true;
+}
+
+function gotoDirectory(directory) {
+  window.setCursor("wait");
+  try {
+    populateAncestorList(directory);
+    treeView.setDirectory(directory);
+    document.getElementById("errorShower").selectedIndex = 0;
+  } catch (ex) {
+    document.getElementById("errorShower").selectedIndex = 1;
+  }
+
+  window.setCursor("auto");
+
+  if (filePickerMode == nsIFilePicker.modeGetFolder) {
+    textInput.value = "";
+  }
+  textInput.focus();
+  textInput.setAttribute("autocompletesearchparam", directory.path);
+  sfile = directory;
+}
+
+function toggleShowHidden(event) {
+  treeView.showHiddenFiles = !treeView.showHiddenFiles;
+}
+
+// from the current directory and whatever was entered
+// in the entry field, try to make a new path. This
+// uses "/" as the directory separator, "~" as a shortcut
+// for the home directory (but only when seen at the start
+// of a path), and ".." to denote the parent directory.
+// returns an array of the files listed,
+// or false if an error occurred.
+function processPath(path)
+{
+  var fileArray = new Array();
+  var strLength = path.length;
+
+  if (path[0] == '"' && filePickerMode == nsIFilePicker.modeOpenMultiple &&
+      strLength > 1) {
+    // we have a quoted list of filenames, separated by spaces.
+    // iterate the list and process each file.
+
+    var curFileStart = 1;
+
+    while (1) {
+      var nextQuote;
+
+      // Look for an unescaped quote
+      var quoteSearchStart = curFileStart + 1;
+      do {
+        nextQuote = path.indexOf('"', quoteSearchStart);
+        quoteSearchStart = nextQuote + 1;
+      } while (nextQuote != -1 && path[nextQuote - 1] == '\\');
+
+      if (nextQuote == -1) {
+        // we have a filename with no trailing quote.
+        // just assume that the filename ends at the end of the string.
+
+        if (!processPathEntry(path.substring(curFileStart), fileArray))
+          return false;
+        break;
+      }
+
+      if (!processPathEntry(path.substring(curFileStart, nextQuote), fileArray))
+        return false;
+
+      curFileStart = path.indexOf('"', nextQuote + 1);
+      if (curFileStart == -1) {
+        // no more quotes, but if we're not at the end of the string,
+        // go ahead and process the remaining text.
+
+        if (nextQuote < strLength - 1)
+          if (!processPathEntry(path.substring(nextQuote + 1), fileArray))
+            return false;
+        break;
+      }
+      ++curFileStart;
+    }
+  } else if (!processPathEntry(path, fileArray)) {
+    // If we didn't start with a quote, assume we just have a single file.
+    return false;
+  }
+
+  return fileArray;
+}
+
+function processPathEntry(path, fileArray)
+{
+  var filePath;
+  var file;
+
+  try {
+    file = sfile.clone().QueryInterface(nsILocalFile);
+  } catch (e) {
+    dump("Couldn't clone\n"+e);
+    return false;
+  }
+
+  var tilde_file = file.clone();
+  tilde_file.append("~");
+  if (path[0] == '~' &&                        // Expand ~ to $HOME, except:
+      !(path == "~" && tilde_file.exists()) && // If ~ was entered and such a file exists, don't expand
+      (path.length == 1 || path[1] == "/"))    // We don't want to expand ~file to ${HOME}file
+    filePath = homeDir.path + path.substring(1);
+  else
+    filePath = path;
+
+  // Unescape quotes
+  filePath = filePath.replace(/\\\"/g, "\"");
+
+  if (filePath[0] == '/')   /* an absolute path was entered */
+    file.initWithPath(filePath);
+  else if ((filePath.indexOf("/../") > 0) ||
+           (filePath.substr(-3) == "/..") ||
+           (filePath.substr(0, 3) == "../") ||
+           (filePath == "..")) {
+    /* appendRelativePath doesn't allow .. */
+    try {
+      file.initWithPath(file.path + "/" + filePath);
+    } catch (e) {
+      dump("Couldn't init path\n"+e);
+      return false;
+    }
+  }
+  else {
+    try {
+      file.appendRelativePath(filePath);
+    } catch (e) {
+      dump("Couldn't append path\n"+e);
+      return false;
+    }
+  }
+
+  fileArray[fileArray.length] = file;
+  return true;
+}