1 files changed, 85 insertions, 0 deletions
diff --git a/comm/mail/test/browser/shared-modules/ViewHelpers.jsm b/comm/mail/test/browser/shared-modules/ViewHelpers.jsm
new file mode 100644
index 0000000000..33d39a8e07
--- /dev/null
+++ b/comm/mail/test/browser/shared-modules/ViewHelpers.jsm
@@ -0,0 +1,85 @@
+/* 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/. */
+
+/** Module to help debugging view wrapper issues. */
+
+const EXPORTED_SYMBOLS = ["dump_view_contents", "dump_view_state"];
+
+function dump_view_state(aViewWrapper, aDoNotDumpContents) {
+  if (aViewWrapper.dbView == null) {
+    dump("no nsIMsgDBView instance!\n");
+    return;
+  }
+  if (!aDoNotDumpContents) {
+    dump_view_contents(aViewWrapper);
+  }
+  dump("View: " + aViewWrapper.dbView + "\n");
+  dump(
+    "  View Type: " +
+      _lookupValueNameInInterface(
+        aViewWrapper.dbView.viewType,
+        Ci.nsMsgViewType
+      ) +
+      "   " +
+      "View Flags: " +
+      aViewWrapper.dbView.viewFlags +
+      "\n"
+  );
+  dump(
+    "  Sort Type: " +
+      _lookupValueNameInInterface(
+        aViewWrapper.dbView.sortType,
+        Ci.nsMsgViewSortType
+      ) +
+      "   " +
+      "Sort Order: " +
+      _lookupValueNameInInterface(
+        aViewWrapper.dbView.sortOrder,
+        Ci.nsMsgViewSortOrder
+      ) +
+      "\n"
+  );
+  dump(aViewWrapper.search.prettyString());
+}
+
+var WHITESPACE = "                                              ";
+var MSG_VIEW_FLAG_DUMMY = 0x20000000;
+function dump_view_contents(aViewWrapper) {
+  let dbView = aViewWrapper.dbView;
+  let treeView = aViewWrapper.dbView.QueryInterface(Ci.nsITreeView);
+  let rowCount = treeView.rowCount;
+
+  dump("********* Current View Contents\n");
+  for (let iViewIndex = 0; iViewIndex < rowCount; iViewIndex++) {
+    let level = treeView.getLevel(iViewIndex);
+    let flags = dbView.getFlagsAt(iViewIndex);
+    let msgHdr = dbView.getMsgHdrAt(iViewIndex);
+
+    let s = WHITESPACE.substr(0, level * 2);
+    if (treeView.isContainer(iViewIndex)) {
+      s += treeView.isContainerOpen(iViewIndex) ? "- " : "+ ";
+    } else {
+      s += ". ";
+    }
+    // s += treeView.getCellText(iViewIndex, )
+    if (flags & MSG_VIEW_FLAG_DUMMY) {
+      s += "dummy: ";
+    }
+    s += dbView.cellTextForColumn(iViewIndex, "subject");
+    s += " [" + msgHdr.folder.prettyName + "," + msgHdr.messageKey + "]";
+
+    dump(s + "\n");
+  }
+  dump("********* end view contents\n");
+}
+
+function _lookupValueNameInInterface(aValue, aInterface) {
+  for (let key in aInterface) {
+    let value = aInterface[key];
+    if (value == aValue) {
+      return key;
+    }
+  }
+  return "unknown: " + aValue;
+}