1 files changed, 92 insertions, 0 deletions
diff --git a/calendar/lightning/components/lightningTextCalendarConverter.js b/calendar/lightning/components/lightningTextCalendarConverter.js
new file mode 100644
index 000000000..cf33ea6da
--- /dev/null
+++ b/calendar/lightning/components/lightningTextCalendarConverter.js
@@ -0,0 +1,92 @@
+/* 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/. */
+
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+Components.utils.import("resource://gre/modules/Services.jsm");
+Components.utils.import("resource://calendar/modules/calUtils.jsm");
+Components.utils.import("resource://calendar/modules/calXMLUtils.jsm");
+Components.utils.import("resource://calendar/modules/calRecurrenceUtils.jsm");
+Components.utils.import("resource://calendar/modules/ltnInvitationUtils.jsm");
+
+function ltnMimeConverter() {
+    this.wrappedJSObject = this;
+}
+
+var ltnMimeConverterClassID = Components.ID("{c70acb08-464e-4e55-899d-b2c84c5409fa}");
+var ltnMimeConverterInterfaces = [Components.interfaces.nsISimpleMimeConverter];
+ltnMimeConverter.prototype = {
+    classID: ltnMimeConverterClassID,
+    QueryInterface: XPCOMUtils.generateQI(ltnMimeConverterInterfaces),
+
+    classInfo: XPCOMUtils.generateCI({
+        classID: ltnMimeConverterClassID,
+        contractID: "@mozilla.org/lightning/mime-converter;1",
+        classDescription: "Lightning text/calendar handler",
+        interfaces: ltnMimeConverterInterfaces
+    }),
+
+    uri: null,
+
+    convertToHTML: function(contentType, data) {
+        let parser = Components.classes["@mozilla.org/calendar/ics-parser;1"]
+                               .createInstance(Components.interfaces.calIIcsParser);
+        parser.parseString(data);
+        let event = null;
+        for (let item of parser.getItems({})) {
+            if (cal.isEvent(item)) {
+                if (item.hasProperty("X-MOZ-FAKED-MASTER")) {
+                    // if it's a faked master, take any overridden item to get a real occurrence:
+                    let exc = item.recurrenceInfo.getExceptionFor(item.startDate);
+                    cal.ASSERT(exc, "unexpected!");
+                    if (exc) {
+                        item = exc;
+                    }
+                }
+                event = item;
+                break;
+            }
+        }
+        if (!event) {
+            return "";
+        }
+
+        let itipItem = null;
+        let msgOverlay = "";
+        let msgWindow = null;
+
+        itipItem = Components.classes["@mozilla.org/calendar/itip-item;1"]
+                             .createInstance(Components.interfaces.calIItipItem);
+        itipItem.init(data);
+
+        // this.uri is the message URL that we are processing.
+        // We use it to get the nsMsgHeaderSink to store the calItipItem.
+        if (this.uri) {
+            try {
+                let msgUrl = this.uri.QueryInterface(Components.interfaces.nsIMsgMailNewsUrl);
+                msgWindow = msgUrl.msgWindow;
+                itipItem.sender = msgUrl.mimeHeaders.extractHeader("From", false);
+            } catch (exc) {
+                // msgWindow is optional in some scenarios
+                // (e.g. gloda in action, throws NS_ERROR_INVALID_POINTER then)
+            }
+        }
+
+        // msgOverlay needs to be defined irrespectively of the existance of msgWindow to not break
+        // printing of invitation emails
+        let dom = ltn.invitation.createInvitationOverlay(event, itipItem);
+        msgOverlay = cal.xml.serializeDOM(dom);
+
+        if (msgWindow) {
+            let sinkProps = msgWindow.msgHeaderSink.properties;
+            sinkProps.setPropertyAsInterface("itipItem", itipItem);
+            sinkProps.setPropertyAsAUTF8String("msgOverlay", msgOverlay);
+
+            // Notify the observer that the itipItem is available
+            Services.obs.notifyObservers(null, "onItipItemCreation", 0);
+        }
+        return msgOverlay;
+    }
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ltnMimeConverter]);