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pref/main: _getDownloadsFolder() and fileLocator.get() can throw, wrap them with try-catch block

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This commit is contained in:
roytam1 2018-07-14 20:49:47 +08:00
parent d1a5d94f4b
commit 8444083c28
1 changed files with 8 additions and 1 deletions
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9
browser/components/preferences/main.js
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@ -307,10 +307,12 @@ var gMainPane = {
*/ */
_folderToIndex: function (aFolder) _folderToIndex: function (aFolder)
{ {
try {
if (!aFolder || aFolder.equals(this._getDownloadsFolder("Desktop"))) if (!aFolder || aFolder.equals(this._getDownloadsFolder("Desktop")))
return 0; return 0;
else if (aFolder.equals(this._getDownloadsFolder("Downloads"))) else if (aFolder.equals(this._getDownloadsFolder("Downloads")))
return 1; return 1;
} catch(e) {}
return 2; return 2;
}, },
@ -326,8 +328,13 @@ var gMainPane = {
{ {
var fileLocator = Components.classes["@mozilla.org/file/directory_service;1"] var fileLocator = Components.classes["@mozilla.org/file/directory_service;1"]
.getService(Components.interfaces.nsIProperties); .getService(Components.interfaces.nsIProperties);
var dir = fileLocator.get(this._getSpecialFolderKey(aFolder), var dir;
try {
dir = fileLocator.get(this._getSpecialFolderKey(aFolder),
Components.interfaces.nsILocalFile); Components.interfaces.nsILocalFile);
} catch(e) {
dir = aFolder;
}
if (aFolder != "Desktop") if (aFolder != "Desktop")
dir.append("My Downloads"); // XXX l12y! dir.append("My Downloads"); // XXX l12y!