XPInstall API Reference:Install Object:Methods

From MDC

[edit] Methods

addDirectory

Unpacks an entire subdirectory.

addFile

Unpacks a single file.

alert

Displays an Alert dialog box with a message and an OK button.

cancelInstall

Aborts the installation of the software.

confirm

Displays a Confirm dialog box with the specified message and OK and Cancel buttons. Also allows custom button labels and a checkbox.

deleteRegisteredFile

Deletes the specified file and its entry in the Client Version Registry.

execute

Extracts a file from the XPI file to a temporary location and schedules it for later execution.

gestalt

Retrieves information about the operating environment. (Mac OS only)

getComponentFolder

Returns an object representing the directory in which a component is installed.

getFolder

Returns an object representing a directory, for use with the addFile method.

getLastError

Returns the most recent non-zero error code.

getWinProfile

Constructs an object for working with a Windows .ini file.

getWinRegistry

Constructs an object for working with the Windows Registry.

initInstall

Initializes installation for the given software and version.

loadResources

Returns an object whose properties are localized strings loaded from the specified property file.

logComment

Add a comment line to the install log.

patch

Applies a set of differences between two versions.

performInstall

Finalizes the installation of the software.

refreshPlugins

Refreshes the list of plug-ins registered for the browser.

registerChrome

Registers chrome with the chrome registry.

resetError

Resets a saved error code to zero.

setPackageFolder

Sets the default package folder that is saved with the root node.