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/**
* (C) Copyright 2016 Ivy Foster
*
* Use, modification, and distribution are subject to the terms specified in the
* COPYING file.
**/
// Reference: https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent
define_variable (
"click_handler", [],
"An array of functions to run on click events. " +
"The function will be passed two arguments: " +
"the current window and the mouse event.\n" +
"To create an event, set 'click_handler[n] = some_function;', " +
"where n is the total value of the buttons pressed.\n" +
"left = 1\n" + "right = 2\n" + "middle = 4\n" +
"button4 = 8\n" + "button5 = 16\n\n" +
"For instance, click_handler.3 would run when " +
"left and right are pressed together.\n" +
"For more information, see " +
"<https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons>."
);
function handle_mouse_click (event) {
var chord = 0;
// Translate MouseEvent.button events into MouseEvent.buttons events.
switch (event.button) {
case 0:
chord = 1;
break;
case 1:
chord = 4;
break;
case 2:
chord = 2;
break;
case 3:
chord = 8;
break;
case 4:
chord = 16;
break;
}
chord += event.buttons;
if (click_handler[chord]) {
click_handler[chord](this.ownerDocument.defaultView, event);
}
}
define_variable(
"clicks_in_new_buffer_target", OPEN_NEW_BUFFER,
"Destination for new buffers created by clicks. " +
"Set to one the constants OPEN_NEW_BUFFER, " +
"OPEN_NEW_BUFFER_BACKGROUND, or OPEN_NEW_WINDOW.\n" +
"Default is OPEN_NEW_BUFFER."
);
function clicked_link_in_new_buffer (window, event) {
let element = event.target;
let anchor = null;
if (element instanceof Ci.nsIDOMHTMLAnchorElement ||
element instanceof Ci.nsIDOMHTMLAreaElement) {
anchor = element;
} else {
for (let p = element.parentNode;
p != null && p.tagName.toLowerCase() != "html";
p = p.parentNode) {
if (p.tagName.toLowerCase() == "a") {
anchor = p;
break;
} else { return; }
}
}
event.preventDefault();
event.stopPropagation();
let spec = load_spec(anchor);
let buffer = window.buffers.current;
create_buffer(window,
buffer_creator(content_buffer,
$opener = buffer,
$load = spec),
clicks_in_new_buffer_target);
}
function handle_click_add_listener(buffer) {
buffer.browser.addEventListener("click", handle_mouse_click, true);
}
function handle_click_remove_listener(buffer) {
buffer.browser.removeEventListener("click", handle_mouse_click, true);
}
function mouse_click_event_mode_enable() {
add_hook("create_buffer_hook", handle_click_add_listener);
for_each_buffer(handle_click_add_listener);
}
function mouse_click_event_mode_disable() {
remove_hook("create_buffer_hook", handle_click_add_listener);
for_each_buffer(handle_click_remove_listener);
}
define_global_mode("mouse_click_event_mode",
mouse_click_event_mode_enable, mouse_click_event_mode_disable
);
mouse_click_event_mode(true);
provide("mouse");
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