Readonly helpWhen the app is launched with the --help argument, this attribute is retrieved and displayed to the user (on stdout). The text should have embedded newlines which wrap at 76 columns, and should include a newline at the end. By convention, the right column which contains flag descriptions begins at the 24th character.
Optional aInstancePtr: objectA run time mechanism for interface discovery.
NS_OK if the interface is supported by the associated instance, NS_NOINTERFACE if it is not.
aInstancePtr must not be null.
[in] A requested interface IID
[out] A pointer to an interface pointer to receive the result.
Process a command line. If this handler finds arguments that it understands, it should perform the appropriate actions (such as opening a window), and remove the arguments from the command-line array.
NS_ERROR_ABORT to immediately cease command-line handling (if this is STATE_INITIAL_LAUNCH, quits the app). All other exceptions are silently ignored.
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Handles arguments on the command line of an XUL application.
Each handler is registered in the category "command-line-handler". The entries in this category are read in alphabetical order, and each category value is treated as a service contractid implementing this interface.
By convention, handler with ordinary priority should begin with "m".
Example: Category Entry Value command-line-handler c-extensions @mozilla.org/extension-manager/clh;1 command-line-handler m-edit @mozilla.org/composer/clh;1 command-line-handler m-irc @mozilla.org/chatzilla/clh;1 command-line-handler y-final @mozilla.org/browser/clh-final;1
Note
What do we do about localizing helpInfo? Do we make each handler do it, or provide a generic solution of some sort? Don't freeze this interface without thinking about this!