1 files changed, 67 insertions, 0 deletions
diff --git a/comm/mail/modules/MsgHdrSyntheticView.jsm b/comm/mail/modules/MsgHdrSyntheticView.jsm
new file mode 100644
index 0000000000..0219e13a1c
--- /dev/null
+++ b/comm/mail/modules/MsgHdrSyntheticView.jsm
@@ -0,0 +1,67 @@
+/* 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/. */
+
+/*
+ * This object provides you a way to have a synthetic nsIMsgDBView for a single
+ * message header.
+ */
+
+var EXPORTED_SYMBOLS = ["MsgHdrSyntheticView"];
+
+/**
+ * Create a synthetic view suitable for passing to |FolderDisplayWidget.show|.
+ * You must pass a single message header in.
+ *
+ * @param aMsgHdr The message header to create the synthetic view for.
+ */
+function MsgHdrSyntheticView(aMsgHdr) {
+  this.msgHdr = aMsgHdr;
+
+  this.customColumns = [];
+}
+
+MsgHdrSyntheticView.prototype = {
+  defaultSort: [
+    [Ci.nsMsgViewSortType.byDate, Ci.nsMsgViewSortOrder.descending],
+  ],
+
+  /**
+   * Request the search be performed and notifications provided to
+   * aSearchListener. Since we already have the result with us, this is
+   * synchronous.
+   */
+  search(aSearchListener, aCompletionCallback) {
+    this.searchListener = aSearchListener;
+    this.completionCallback = aCompletionCallback;
+    aSearchListener.onNewSearch();
+    aSearchListener.onSearchHit(this.msgHdr, this.msgHdr.folder);
+    // we're not really aborting, but it closes things out nicely
+    this.abortSearch();
+  },
+
+  /**
+   * Aborts or completes the search -- we do not make a distinction.
+   */
+  abortSearch() {
+    if (this.searchListener) {
+      this.searchListener.onSearchDone(Cr.NS_OK);
+    }
+    if (this.completionCallback) {
+      this.completionCallback();
+    }
+    this.searchListener = null;
+    this.completionCallback = null;
+  },
+
+  /**
+   * Helper function used by |DBViewWrapper.getMsgHdrForMessageID|.
+   */
+  getMsgHdrForMessageID(aMessageId) {
+    if (this.msgHdr.messageId == aMessageId) {
+      return this.msgHdr;
+    }
+
+    return null;
+  },
+};