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/**
* (C) Copyright 2008 Nicholas Zigarovich
*
* Use, modification, and distribution are subject to the terms specified in the
* COPYING file.
**/
define_variable("clicks_in_new_buffer_button", 1,
"Which mouse button should open links in a new buffer. " +
"0 = left, 1 = middle, 2 = right. Default is 1.");
define_variable("clicks_in_new_buffer_target", OPEN_NEW_BUFFER,
"How to open links in a new buffer, in the foreground or " +
"the background. Set to one the constants OPEN_NEW_BUFFER " +
"or OPEN_NEW_BUFFER_BACKGROUND. Default is OPEN_NEW_BUFFER.");
// Should mouse click event propagation be stopped?
var clicks_in_new_buffer_ev_stop_prop = true;
function find_tag_in_parents (tag, element) {
// FIXME If tag names will always be upper-case, toLowerCase() can
// be eliminated. Also not sure that p will ever be null.
tag = tag.toLowerCase();
for (let p = element.parentNode;
p != null && p.tagName.toLowerCase() != "html";
p = p.parentNode)
{
if (p.tagName.toLowerCase() == tag)
return p;
}
return null;
}
function open_link_in_new_buffer (event) {
if (event.button != clicks_in_new_buffer_button)
return;
let element = event.target;
let anchor = null;
if (element instanceof Ci.nsIDOMHTMLAnchorElement ||
element instanceof Ci.nsIDOMHTMLAreaElement)
{
anchor = element;
} else
anchor = find_tag_in_parents("a", element);
if (anchor == null)
return;
event.preventDefault();
if (clicks_in_new_buffer_ev_stop_prop)
event.stopPropagation();
let spec = load_spec(anchor);
let window = this.ownerDocument.defaultView;
let buffer = window.buffers.current;
create_buffer(window,
buffer_creator(content_buffer,
$opener = buffer,
$load = spec),
clicks_in_new_buffer_target);
}
function clicks_in_new_buffer_add_listener (buffer) {
buffer.browser.addEventListener("click",
open_link_in_new_buffer,
true);
}
function clicks_in_new_buffer_remove_listener (buffer) {
buffer.browser.removeEventListener("click",
open_link_in_new_buffer,
true);
}
function clicks_in_new_buffer_mode_enable () {
add_hook("create_buffer_hook",
clicks_in_new_buffer_add_listener);
for_each_buffer(clicks_in_new_buffer_add_listener);
}
function clicks_in_new_buffer_mode_disable () {
remove_hook("create_buffer_hook",
clicks_in_new_buffer_add_listener);
for_each_buffer(clicks_in_new_buffer_remove_listener);
}
define_global_mode("clicks_in_new_buffer_mode",
clicks_in_new_buffer_mode_enable,
clicks_in_new_buffer_mode_disable);
clicks_in_new_buffer_mode(true);
provide("clicks-in-new-buffer");
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