1 files changed, 46 insertions, 0 deletions
diff --git a/layout/tools/layout-debug/src/nsILayoutRegressionTester.idl b/layout/tools/layout-debug/src/nsILayoutRegressionTester.idl
new file mode 100644
index 000000000..2899a4b77
--- /dev/null
+++ b/layout/tools/layout-debug/src/nsILayoutRegressionTester.idl
@@ -0,0 +1,46 @@
+/* -*- 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 "nsISupports.idl"
+
+interface mozIDOMWindow;
+interface nsIFile;
+
+[scriptable, uuid(0a065e41-3a55-4b5c-bb41-1e848bb2d10c)]
+interface nsILayoutRegressionTester : nsISupports
+{
+  /**
+   * Dumps the content of a window
+   * @param aWindowToDump       the window to dump (may be an iframe etc)
+   * @param aFile               the file to dump to. It will be created if necessary, otherwise
+                                truncated. If nil, write to stdout.
+   * @param aFlagsMask          some flags that determine what to dump
+   * @param aFlagsMask          some flags that determine what to dump
+   * @param aResult             a status value indicating whether the dump happened, 
+                                whether the page was still loading, or whether some other error happened.
+   */
+  const short DUMP_FLAGS_MASK_DEFAULT        = 0;
+  const short DUMP_FLAGS_MASK_PRINT_MODE     = 1;
+  
+  const long DUMP_RESULT_COMPLETED           = 0;   // loaded OK
+  const long DUMP_RESULT_LOADING             = 1;   // still loading
+  const long DUMP_RESULT_ERROR               = 2;   // an error occurred
+  
+  long dumpFrameModel(in mozIDOMWindow aWindowToDump,
+                      in nsIFile aFile,
+                      in unsigned long aFlagsMask);
+
+  /**
+   * Compares the contents of frame model files
+   * @param aBaseFile           the baseline file, opened with read permissions
+   * @param aVerFile            file containing the results to verify, opened with read permissions
+   * @param aFlags              flags specifying output verbosity
+   * @param aResult             result of the comparison: zero if the files are same, non-zero if different
+   */
+  const short COMPARE_FLAGS_VERBOSE        = 0;
+  const short COMPARE_FLAGS_BRIEF          = 1;
+  boolean compareFrameModels(in nsIFile aBaseFile, in nsIFile aVerFile, in unsigned long aFlags);
+};
+