1 files changed, 65 insertions, 0 deletions
diff --git a/netwerk/protocol/file/nsIFileProtocolHandler.idl b/netwerk/protocol/file/nsIFileProtocolHandler.idl
new file mode 100644
index 000000000..c39d54f51
--- /dev/null
+++ b/netwerk/protocol/file/nsIFileProtocolHandler.idl
@@ -0,0 +1,65 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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/. */
+
+#include "nsIProtocolHandler.idl"
+
+interface nsIFile;
+
+[scriptable, uuid(1fb25bd5-4354-4dcd-8d97-621b7b3ed2e4)]
+interface nsIFileProtocolHandler : nsIProtocolHandler
+{
+    /**
+     * This method constructs a new file URI 
+     *
+     * @param aFile nsIFile
+     * @return reference to a new nsIURI object
+     */
+    nsIURI newFileURI(in nsIFile aFile);
+
+    /**
+     * Converts the nsIFile to the corresponding URL string.  NOTE: under
+     * some platforms this is a lossy conversion (e.g., Mac Carbon build).
+     * If the nsIFile is a local file, then the result will be a file://
+     * URL string.
+     *
+     * The resulting string may contain URL-escaped characters.
+     * NOTE: Callers should use getURLSpecFromActualFile or
+     * getURLSpecFromDirFile if possible, for performance reasons.
+     */
+    AUTF8String getURLSpecFromFile(in nsIFile file);
+
+    /**
+     * Converts the nsIFile to the corresponding URL string. Should
+     * only be called on files which are not directories. Otherwise
+     * identical to getURLSpecFromFile, but is usually more efficient.
+     * WARNING: This restriction may not be enforced at runtime! 
+     */
+    AUTF8String getURLSpecFromActualFile(in nsIFile file);
+
+    /**
+     * Converts the nsIFile to the corresponding URL string. Should
+     * only be called on files which are directories. Otherwise
+     * identical to getURLSpecFromFile, but is usually more efficient.
+     * WARNING: This restriction may not be enforced at runtime! 
+     */
+    AUTF8String getURLSpecFromDir(in nsIFile file);
+
+    /**
+     * Converts the URL string into the corresponding nsIFile if possible.
+     * A local file will be created if the URL string begins with file://.
+     */
+    nsIFile getFileFromURLSpec(in AUTF8String url);
+
+    /**
+     * Takes a local file and tries to interpret it as an internet shortcut
+     * (e.g. .url files on windows).
+     * @param file The local file to read
+     * @return The URI the file refers to
+     *
+     * @throw NS_ERROR_NOT_AVAILABLE if the OS does not support such files.
+     * @throw NS_ERROR_NOT_AVAILABLE if this file is not an internet shortcut.
+     */
+    nsIURI readURLFile(in nsIFile file);
+};