- void finishInstall(InstallRef aInstall);
- void failedInstall(InstallRef aInstall, Delegate::FailureCode aReason);
-
+ void finishInstall(InstallRef aInstall, Delegate::StatusCode aReason);
+ void cancelDownload(InstallRef aInstall);
+
+ void registerInstall(InstallRef ins);
+ void unregisterInstall(InstallRef ins);
+
+ class ThumbnailDownloader;