{"json_modified": "2016-03-28T08:08:43.947383", "uuid": "bdf8544d-db86-404b-bad8-99877ed955d1", "title": "InstallListener", "url": "/en-US/docs/Mozilla/Add-ons/Add-on_Manager/InstallListener", "tags": ["Add-on Manager", "Reference", "Add-ons", "R\u00e9f\u00e9rence"], "translations": [], "modified": "2015-08-10T02:59:35", "label": "InstallListener", "localization_tags": [], "locale": "en-US", "id": 9117, "last_edit": "2013-10-25T13:51:04", "summary": "InstallListeners are notified of an <code><a href=\"/en-US/Add-ons/Add-on_Manager/AddonInstall\" title=\"AddonInstall\">AddonInstall</a></code>'s progress. They may be registered to hear events from all <code><a href=\"/en-US/Add-ons/Add-on_Manager/AddonInstall\" title=\"AddonInstall\">AddonInstall</a></code>s through <code><a href=\"/en-US/Add-ons/Add-on_Manager/AddonManager\" title=\"AddonManager.addInstallListener()\">AddonManager.addInstallListener()</a></code> or to a single <code><a href=\"/en-US/Add-ons/Add-on_Manager/AddonInstall\" title=\"AddonInstall\">AddonInstall</a></code> through <code><a href=\"/en-US/Add-ons/Add-on_Manager/AddonInstall\" title=\"AddonInstall.addListener()\">AddonInstall.addListener()</a></code>.", "sections": [{"id": "Method_Overview", "title": "Method Overview"}, {"id": "Methods", "title": "Methods"}, {"id": "onNewInstall()", "title": "onNewInstall()"}, {"id": "Parameters", "title": "Parameters"}, {"id": "onDownloadStarted()", "title": "onDownloadStarted()"}, {"id": "Parameters_2", "title": "Parameters"}, {"id": "onDownloadProgress()", "title": "onDownloadProgress()"}, {"id": "Parameters_3", "title": "Parameters"}, {"id": "onDownloadEnded()", "title": "onDownloadEnded()"}, {"id": "Parameters_4", "title": "Parameters"}, {"id": "onDownloadCancelled()", "title": "onDownloadCancelled()"}, {"id": "Parameters_5", "title": "Parameters"}, {"id": "onDownloadFailed()", "title": "onDownloadFailed()"}, {"id": "Parameters_6", "title": "Parameters"}, {"id": "onInstallStarted()", "title": "onInstallStarted()"}, {"id": "Parameters_7", "title": "Parameters"}, {"id": "onInstallEnded()", "title": "onInstallEnded()"}, {"id": "Parameters_8", "title": "Parameters"}, {"id": "onInstallCancelled()", "title": "onInstallCancelled()"}, {"id": "Parameters_9", "title": "Parameters"}, {"id": "onInstallFailed()", "title": "onInstallFailed()"}, {"id": "Parameters_10", "title": "Parameters"}, {"id": "onExternalInstall()", "title": "onExternalInstall()"}, {"id": "Parameters_11", "title": "Parameters"}], "slug": "Mozilla/Add-ons/Add-on_Manager/InstallListener", "review_tags": ["technical"]}