Changeset ee52fc

Timestamp:

Sep 15, 2010, 5:15:43 PM (10 years ago)

Author:

rene <just@…>

Branches:

ng_0.6, ng_0.8, ng_0.9

Children:

250d2d

Parents:

b269e7

Message:

get rid of any added headers on uninstallation

File:

• chrome/content/v_identity/vI_getHeader.js (modified) (6 diffs)

chrome/content/v_identity/vI_getHeader.js

@@ -22 +22 @@
     Contributor(s): Christian Weiske
     Contributor(s): Patrick Brunschwig
+    Contributor(s): http://xulsolutions.blogspot.com/2006/07/creating-uninstall-script-for.html
+
  * ***** END LICENSE BLOCK ***** */
 
@@ -31 +33 @@
 * some code copied and adapted from 'enigmail'
 * thanks to Patrick Brunschwig <patrick.brunschwig@gmx.net>
+*/
+/**
+* some code copied and adapted from 'http://xulsolutions.blogspot.com/2006/07/creating-uninstall-script-for.html'
+* thanks to the unknown programmer
 */
 
@@ -218 +224 @@
         vI_prepareHeader.prefroot.QueryInterface(Components.interfaces.nsIPrefBranch2);
         vI_prepareHeader.prefroot.addObserver("extensions.virtualIdentity.smart_reply_headers", this, false);
+        vI_prepareHeader.uninstallObserver.register();
         vI_prepareHeader.observer_added = true;
     },
@@ -224 +231 @@
         if (!vI_prepareHeader.observer_added) return;
         vI_prepareHeader.prefroot.removeObserver("extensions.virtualIdentity.smart_reply_headers", this);
+        vI_prepareHeader.uninstallObserver.unregister();
         vI_prepareHeader.observer_added = false;
     },
@@ -329 +337 @@
             MsgReload();
         }
-    }
+    },
+
+//  code adapted from http://xulsolutions.blogspot.com/2006/07/creating-uninstall-script-for.html
+    uninstallObserver : {
+        MY_EXTENSION_UUID : "{dddd428e-5ac8-4a81-9f78-276c734f75b8}",
+        _uninstall : false,
+        observe : function(subject, topic, data) {
+            if (topic == "em-action-requested") {
+                var extension = subject.QueryInterface(Components.interfaces.nsIUpdateItem);
+
+                if (extension.id == this.MY_EXTENSION_UUID) {
+                    if (data == "item-uninstalled") {
+                        this._uninstall = true;
+                    } else if (data == "item-cancel-action") {
+                        this._uninstall = false;
+                    }
+                }
+            } else if (topic == "quit-application-granted") {
+                if (this._uninstall) {
+                    /* uninstall stuff. */
+                    vI_notificationBar.dump("## vI_uninstall: _uninstall \n");
+                    vI_prepareHeader.removeExtraHeader();
+                    vI_notificationBar.dump("## vI_uninstall: _uninstall done\n");
+                }
+                this.unregister();
+            }
+        },
+        register : function() {
+            var observerService =
+            Components.classes["@mozilla.org/observer-service;1"].
+                getService(Components.interfaces.nsIObserverService);
+
+            observerService.addObserver(this, "em-action-requested", false);
+            observerService.addObserver(this, "quit-application-granted", false);
+        },
+        unregister : function() {
+            var observerService =
+                Components.classes["@mozilla.org/observer-service;1"].
+                getService(Components.interfaces.nsIObserverService);
+
+            observerService.removeObserver(this,"em-action-requested");
+            observerService.removeObserver(this,"quit-application-granted");
+        }
+    }
 }
 
@@ -335 +386 @@
 window.addEventListener("load", function(e) { vI_prepareHeader.init(); }, false);
 window.addEventListener("unload", function(e) { vI_prepareHeader.cleanup(); }, false);
+// window.addEventListener("load", initializeOverlay, false);