2 * (C) Copyright 2004-2007 Shawn Betts
3 * (C) Copyright 2007-2010 John J. Foerch
4 * (C) Copyright 2007-2008 Jeremy Maitin-Shepard
6 * Use, modification, and distribution are subject to the terms specified in the
12 var define_buffer_local_hook = local_hook_definer("window");
14 function define_current_buffer_hook (hook_name, existing_hook) {
15 define_buffer_local_hook(hook_name);
16 add_hook(existing_hook, function (buffer) {
17 if (!buffer.window.buffers || buffer != buffer.window.buffers.current)
19 var hook = conkeror[hook_name];
20 hook.run.apply(hook, Array.prototype.slice.call(arguments));
24 define_buffer_local_hook("buffer_title_change_hook");
25 define_buffer_local_hook("buffer_description_change_hook");
26 define_buffer_local_hook("select_buffer_hook");
27 define_buffer_local_hook("create_buffer_early_hook");
28 define_buffer_local_hook("create_buffer_hook");
29 define_buffer_local_hook("kill_buffer_hook");
30 define_buffer_local_hook("buffer_scroll_hook");
31 define_buffer_local_hook("buffer_dom_content_loaded_hook");
32 define_buffer_local_hook("buffer_loaded_hook");
33 define_buffer_local_hook("set_input_mode_hook");
35 define_current_buffer_hook("current_buffer_title_change_hook", "buffer_title_change_hook");
36 define_current_buffer_hook("current_buffer_description_change_hook", "buffer_description_change_hook");
37 define_current_buffer_hook("current_buffer_scroll_hook", "buffer_scroll_hook");
38 define_current_buffer_hook("current_buffer_dom_content_loaded_hook", "buffer_dom_content_loaded_hook");
41 define_keywords("$opener");
42 function buffer_creator (type) {
43 var args = forward_keywords(arguments);
44 return function (window) {
45 return new type(window, args);
49 define_variable("allow_browser_window_close", true,
50 "If this is set to true, if a content buffer page calls " +
51 "window.close() from JavaScript and is not prevented by the " +
52 "normal Mozilla mechanism that restricts pages from closing " +
53 "a window that was not opened by a script, the buffer will be " +
54 "killed, deleting the window as well if it is the only buffer.");
56 function buffer_modality (buffer) {
57 buffer.keymaps.push(default_global_keymap);
60 function buffer (window) {
61 this.constructor_begin();
63 this.opener = arguments.$opener;
65 var element = create_XUL(window, "vbox");
66 element.setAttribute("flex", "1");
67 var browser = create_XUL(window, "browser");
68 if (window.buffers.count == 0)
69 browser.setAttribute("type", "content-primary");
71 browser.setAttribute("type", "content");
72 browser.setAttribute("flex", "1");
73 browser.setAttribute("autocompletepopup", "popup_autocomplete");
74 element.appendChild(browser);
75 this.window.buffers.container.appendChild(element);
76 this.window.buffers.buffer_list.push(this);
77 this.element = element;
78 this.browser = element.firstChild;
79 this.element.conkeror_buffer_object = this;
81 this.local = { __proto__: conkeror };
83 this.enabled_modes = [];
84 this.default_browser_object_classes = {};
88 this.browser.addEventListener("scroll", function (event) {
89 buffer_scroll_hook.run(buffer);
90 }, true /* capture */);
92 this.browser.addEventListener("DOMContentLoaded", function (event) {
93 buffer_dom_content_loaded_hook.run(buffer);
94 }, true /* capture */);
96 this.browser.addEventListener("load", function (event) {
97 buffer_loaded_hook.run(buffer);
98 }, true /* capture */);
100 this.browser.addEventListener("DOMWindowClose", function (event) {
101 /* This call to preventDefault is very important; without
102 * it, somehow Mozilla does something bad and as a result
103 * the window loses focus, causing keyboard commands to
105 event.preventDefault();
107 if (allow_browser_window_close)
108 kill_buffer(buffer, true);
111 this.browser.addEventListener("focus", function (event) {
112 if (buffer.focusblocker &&
113 event.target instanceof Ci.nsIDOMHTMLElement &&
114 buffer.focusblocker(buffer, event))
118 buffer.set_input_mode();
121 this.browser.addEventListener("blur", function (event) {
122 buffer.set_input_mode();
125 this.modalities = [buffer_modality];
127 // When create_buffer_hook_early runs, basic buffer properties
128 // will be available, but not the properties subclasses.
129 create_buffer_early_hook.run(this);
131 this.constructor_end();
136 /* Saved focus state */
137 saved_focused_frame: null,
138 saved_focused_element: null,
140 // get title () [must be defined by subclasses]
141 // get name () [must be defined by subclasses]
142 dead: false, /* This is set when the buffer is killed */
147 // The property focusblocker is available for an external module to
148 // put a function on which takes a buffer as its argument and returns
149 // true to block a focus event, or false to let normal processing
150 // occur. Having this one property explicitly handled by the buffer
151 // class allows for otherwise modular focus-blockers.
156 set_default_message: function (str) {
157 this.default_message = str;
158 if (this == this.window.buffers.current)
159 this.window.minibuffer.set_default_message(str);
162 constructors_running: 0,
164 constructor_begin: function () {
165 this.constructors_running++;
168 constructor_end: function () {
169 if (--this.constructors_running == 0) {
170 create_buffer_hook.run(this);
171 this.set_input_mode();
176 destroy: function () {
180 this.saved_focused_frame = null;
181 this.saved_focused_element = null;
182 // prevent modalities from accessing dead browser
183 this.modalities = [];
186 set_input_mode: function () {
187 if (this != this.window.buffers.current)
190 this.modalities.map(function (m) m(this), this);
191 set_input_mode_hook.run(this);
194 override_keymaps: function (keymaps) {
196 this.keymaps = keymaps;
197 this.set_input_mode = function () {
198 set_input_mode_hook.run(this);
201 delete this.set_input_mode;
202 this.set_input_mode();
205 /* Browser accessors */
206 get top_frame () { return this.browser.contentWindow; },
207 get document () { return this.browser.contentDocument; },
208 get web_navigation () { return this.browser.webNavigation; },
209 get doc_shell () { return this.browser.docShell; },
210 get markup_document_viewer () { return this.browser.markupDocumentViewer; },
211 get current_uri () { return this.browser.currentURI; },
213 is_child_element: function (element) {
214 return (element && this.is_child_frame(element.ownerDocument.defaultView));
217 is_child_frame: function (frame) {
218 return (frame && frame.top == this.top_frame);
221 // This method is like focused_frame, except that if no content
222 // frame actually has focus, this returns null.
223 get focused_frame_or_null () {
224 var frame = this.window.document.commandDispatcher.focusedWindow;
225 if (this.is_child_frame(frame))
230 get focused_frame () {
231 var frame = this.window.document.commandDispatcher.focusedWindow;
232 if (this.is_child_frame(frame))
234 return this.top_frame;
237 get focused_element () {
238 var element = this.window.document.commandDispatcher.focusedElement;
239 if (this.is_child_element(element))
244 get focused_selection_controller () {
245 return this.focused_frame
246 .QueryInterface(Ci.nsIInterfaceRequestor)
247 .getInterface(Ci.nsIWebNavigation)
248 .QueryInterface(Ci.nsIInterfaceRequestor)
249 .getInterface(Ci.nsISelectionDisplay)
250 .QueryInterface(Ci.nsISelectionController);
253 do_command: function (command) {
254 function attempt_command (element, command) {
256 if (element.controllers
257 && (controller = element.controllers.getControllerForCommand(command)) != null
258 && controller.isCommandEnabled(command))
260 controller.doCommand(command);
266 var element = this.focused_element;
267 if (element && attempt_command(element, command))
269 var win = this.focused_frame;
271 if (attempt_command(win, command))
273 if (!win.parent || win == win.parent)
280 function with_current_buffer (buffer, callback) {
281 return callback(new interactive_context(buffer));
284 function check_buffer (obj, type) {
285 if (!(obj instanceof type))
286 throw interactive_error("Buffer has invalid type.");
288 throw interactive_error("Buffer has already been killed.");
292 function caret_enabled (buffer) {
293 return buffer.browser.getAttribute('showcaret');
296 function clear_selection (buffer) {
297 let sel_ctrl = buffer.focused_selection_controller;
299 let sel = sel_ctrl.getSelection(sel_ctrl.SELECTION_NORMAL);
300 if (caret_enabled(buffer)) {
302 sel.collapseToStart();
304 sel.removeAllRanges();
310 function buffer_container (window, create_initial_buffer) {
311 this.window = window;
312 this.container = window.document.getElementById("buffer-container");
313 this.buffer_list = [];
314 window.buffers = this;
315 create_initial_buffer(window);
317 buffer_container.prototype = {
318 constructor: buffer_container,
321 return this.container.selectedPanel.conkeror_buffer_object;
324 set current (buffer) {
325 var old_value = this.current;
326 if (old_value == buffer)
329 this.buffer_list.splice(this.buffer_list.indexOf(buffer), 1);
330 this.buffer_list.unshift(buffer);
332 this._switch_away_from(this.current);
333 this._switch_to(buffer);
336 select_buffer_hook.run(buffer);
339 _switch_away_from: function (old_value) {
341 old_value.saved_focused_frame = old_value.focused_frame;
342 old_value.saved_focused_element = old_value.focused_element;
344 old_value.browser.setAttribute("type", "content");
347 _switch_to: function (buffer) {
348 // Select new buffer in the XUL deck
349 this.container.selectedPanel = buffer.element;
351 buffer.browser.setAttribute("type", "content-primary");
354 * This next focus call seems to be needed to avoid focus
355 * somehow getting lost (and the keypress handler therefore
356 * not getting called at all) when killing buffers.
360 // Restore focus state
361 buffer.browser.focus();
362 if (buffer.saved_focused_element)
363 set_focus_no_scroll(this.window, buffer.saved_focused_element);
364 else if (buffer.saved_focused_frame)
365 set_focus_no_scroll(this.window, buffer.saved_focused_frame);
367 buffer.saved_focused_element = null;
368 buffer.saved_focused_frame = null;
370 buffer.set_input_mode();
372 this.window.minibuffer.set_default_message(buffer.default_message);
376 return this.container.childNodes.length;
379 get_buffer: function (index) {
380 if (index >= 0 && index < this.count)
381 return this.container.childNodes.item(index).conkeror_buffer_object;
385 get selected_index () {
386 var nodes = this.container.childNodes;
387 var count = nodes.length;
388 for (var i = 0; i < count; ++i)
389 if (nodes.item(i) == this.container.selectedPanel)
394 index_of: function (b) {
395 var nodes = this.container.childNodes;
396 var count = nodes.length;
397 for (var i = 0; i < count; ++i)
398 if (nodes.item(i) == b.element)
403 get unique_name_list () {
404 var existing_names = new string_hashset();
406 this.for_each(function(b) {
407 var base_name = b.name;
408 var name = base_name;
410 while (existing_names.contains(name)) {
412 name = base_name + "<" + index + ">";
414 existing_names.add(name);
415 bufs.push([name, b]);
420 kill_buffer: function (b) {
423 var count = this.count;
426 var new_buffer = this.buffer_list[0];
428 if (b == new_buffer) {
429 new_buffer = this.buffer_list[1];
432 this._switch_away_from(this.current);
433 // The removeChild call below may trigger events in progress
434 // listeners. This call to `destroy' gives buffer subclasses a
435 // chance to remove such listeners, so that they cannot try to
436 // perform UI actions based upon a xul:browser that no longer
438 var element = b.element;
440 this.container.removeChild(element);
441 this.buffer_list.splice(this.buffer_list.indexOf(b), 1);
442 this._switch_to(new_buffer);
444 select_buffer_hook.run(new_buffer);
445 this.buffer_list.splice(this.buffer_list.indexOf(new_buffer), 1);
446 this.buffer_list.unshift(new_buffer);
448 kill_buffer_hook.run(b);
452 bury_buffer: function (b) {
453 var new_buffer = this.buffer_list[0];
455 new_buffer = this.buffer_list[1];
456 this.buffer_list.splice(this.buffer_list.indexOf(b), 1);
457 this.buffer_list.push(b);
458 this.current = new_buffer;
462 for_each: function (f) {
463 var count = this.count;
464 for (var i = 0; i < count; ++i)
465 f(this.get_buffer(i));
469 function buffer_initialize_window_early (window) {
471 * Use content_buffer by default to handle an unusual case where
472 * browser.chromeURI is used perhaps. In general this default
473 * should not be needed.
475 var create_initial_buffer =
476 window.args.initial_buffer_creator || buffer_creator(content_buffer);
477 new buffer_container(window, create_initial_buffer);
480 add_hook("window_initialize_early_hook", buffer_initialize_window_early);
483 define_buffer_local_hook("buffer_kill_before_hook", RUN_HOOK_UNTIL_FAILURE);
484 function buffer_before_window_close (window) {
485 var bs = window.buffers;
486 var count = bs.count;
487 for (let i = 0; i < count; ++i) {
488 if (!buffer_kill_before_hook.run(bs.get_buffer(i)))
493 add_hook("window_before_close_hook", buffer_before_window_close);
495 function buffer_window_close_handler (window) {
496 var bs = window.buffers;
497 var count = bs.count;
498 for (let i = 0; i < count; ++i) {
499 let b = bs.get_buffer(i);
503 add_hook("window_close_hook", buffer_window_close_handler);
505 /* open/follow targets */
506 const OPEN_CURRENT_BUFFER = 0; // only valid for open if the current
507 // buffer is a content_buffer.
508 const OPEN_NEW_BUFFER = 1;
509 const OPEN_NEW_BUFFER_BACKGROUND = 2;
510 const OPEN_NEW_WINDOW = 3;
512 const FOLLOW_DEFAULT = 4; // for open, implies OPEN_CURRENT_BUFFER
513 const FOLLOW_CURRENT_FRAME = 5; // for open, implies OPEN_CURRENT_BUFFER
515 var TARGET_PROMPTS = [" in current buffer",
517 " in new buffer (background)",
520 " in current frame"];
522 var TARGET_NAMES = ["current buffer",
524 "new buffer (background)",
530 function create_buffer (window, creator, target) {
532 case OPEN_NEW_BUFFER:
533 window.buffers.current = creator(window, null);
535 case OPEN_NEW_BUFFER_BACKGROUND:
536 creator(window, null);
538 case OPEN_NEW_WINDOW:
539 make_window(creator);
542 throw new Error("invalid target");
546 let (queued_buffer_creators = null) {
547 function create_buffer_in_current_window (creator, target, focus_existing) {
548 function process_queued_buffer_creators (window) {
549 for (var i = 0; i < queued_buffer_creators.length; ++i) {
550 var x = queued_buffer_creators[i];
551 create_buffer(window, x[0], x[1]);
553 queued_buffer_creators = null;
556 if (target == OPEN_NEW_WINDOW)
557 throw new Error("invalid target");
558 var window = get_recent_conkeror_window();
562 create_buffer(window, creator, target);
563 } else if (queued_buffer_creators != null) {
564 queued_buffer_creators.push([creator,target]);
566 queued_buffer_creators = [];
567 window = make_window(creator);
568 add_hook.call(window, "window_initialize_late_hook", process_queued_buffer_creators);
577 minibuffer_auto_complete_preferences["buffer"] = true;
578 define_keywords("$default");
579 minibuffer.prototype.read_buffer = function () {
580 var window = this.window;
581 var buffer = this.window.buffers.current;
582 keywords(arguments, $prompt = "Buffer:",
584 $history = "buffer");
585 var completer = all_word_completer(
586 $completions = function (visitor) window.buffers.for_each(visitor),
587 $get_string = function (x) x.description,
588 $get_description = function (x) x.title);
589 var result = yield this.read(
590 $keymap = read_buffer_keymap,
591 $prompt = arguments.$prompt,
592 $history = arguments.$history,
593 $completer = completer,
594 $match_required = true,
595 $auto_complete = "buffer",
596 $auto_complete_initial = true,
597 $auto_complete_delay = 0,
598 $default_completion = arguments.$default);
599 yield co_return(result);
603 function buffer_next (window, count) {
604 var index = window.buffers.selected_index;
605 var total = window.buffers.count;
607 throw new interactive_error("No other buffer");
608 index = (index + count) % total;
611 window.buffers.current = window.buffers.get_buffer(index);
613 interactive("buffer-next",
614 "Switch to the next buffer.",
615 function (I) { buffer_next(I.window, I.p); });
616 interactive("buffer-previous",
617 "Switch to the previous buffer.",
618 function (I) { buffer_next(I.window, -I.p); });
620 function switch_to_buffer (window, buffer) {
621 if (buffer && !buffer.dead)
622 window.buffers.current = buffer;
624 interactive("switch-to-buffer",
625 "Switch to a buffer specified in the minibuffer.",
629 (yield I.minibuffer.read_buffer(
630 $prompt = "Switch to buffer:",
631 $default = (I.window.buffers.count > 1 ?
632 I.window.buffers.buffer_list[1] :
636 define_variable("can_kill_last_buffer", true,
637 "If this is set to true, kill-buffer can kill the last "+
638 "remaining buffer, and close the window.");
640 function kill_other_buffers (buffer) {
643 var bs = buffer.window.buffers;
645 while ((b = bs.get_buffer(0)) != buffer)
647 var count = bs.count;
649 bs.kill_buffer(bs.get_buffer(1));
651 interactive("kill-other-buffers",
652 "Kill all buffers except current one.\n",
653 function (I) { kill_other_buffers(I.buffer); });
656 function kill_buffer (buffer, force) {
659 var buffers = buffer.window.buffers;
660 if (buffers.count == 1 && buffer == buffers.current) {
661 if (can_kill_last_buffer || force) {
662 delete_window(buffer.window);
665 throw interactive_error("Can't kill last buffer.");
667 buffers.kill_buffer(buffer);
669 interactive("kill-buffer",
670 "Kill a buffer specified in the minibuffer.\n" +
671 "If `can_kill_last_buffer' is set to true, an attempt to kill the "+
672 "last remaining buffer in a window will cause the window to be closed.",
674 kill_buffer((yield I.minibuffer.read_buffer($prompt = "Kill buffer:")));
677 interactive("kill-current-buffer",
678 "Kill the current buffer.\n" +
679 "If `can_kill_last_buffer' is set to true, an attempt to kill the "+
680 "last remaining buffer in a window will cause the window to be closed.",
681 function (I) { kill_buffer(I.buffer); });
683 interactive("read-buffer-kill-buffer",
684 "Kill the current selected buffer in the completions list "+
685 "in a read buffer minibuffer interaction.",
687 var s = I.window.minibuffer.current_state;
688 var i = s.selected_completion_index;
689 var c = s.completions;
692 kill_buffer(c.get_value(i));
693 s.completer.refresh();
694 s.handle_input(I.window.minibuffer);
697 interactive("bury-buffer",
698 "Bury the current buffer.\n Put the current buffer at the end of " +
699 "the buffer list, so that it is the least likely buffer to be " +
700 "selected by `switch-to-buffer'.",
701 function (I) { I.window.buffers.bury_buffer(I.buffer); });
703 function change_directory (buffer, dir) {
704 if (buffer.page != null)
705 delete buffer.page.local.cwd;
706 buffer.local.cwd = make_file(dir);
708 interactive("change-directory",
709 "Change the current directory of the selected buffer.",
713 (yield I.minibuffer.read_existing_directory_path(
714 $prompt = "Change to directory:",
715 $initial_value = make_file(I.local.cwd).path)));
718 interactive("shell-command", null,
720 var cwd = I.local.cwd;
721 var cmd = (yield I.minibuffer.read_shell_command($cwd = cwd));
722 yield shell_command(cmd, $cwd = cwd);
727 * selection_is_embed_p is used to test whether the unfocus command can
728 * unfocus an element, even though there is a selection. This happens
729 * when the focused element is an html:embed.
731 function selection_is_embed_p (sel, focused_element) {
732 if (sel.rangeCount == 1) {
734 var r = sel.getRangeAt(0);
735 var a = r.startContainer.childNodes[r.startOffset];
736 if ((a instanceof Ci.nsIDOMHTMLEmbedElement ||
737 a instanceof Ci.nsIDOMHTMLObjectElement) &&
738 a == focused_element)
748 * unfocus is a high-level command for unfocusing hyperlinks, inputs,
749 * frames, iframes, plugins, and also clearing the selection.
751 define_buffer_local_hook("unfocus_hook");
752 function unfocus (window, buffer) {
753 // 1. if there is a selection, clear it.
754 var selc = buffer.focused_selection_controller;
756 var sel = selc.getSelection(selc.SELECTION_NORMAL);
757 var active = ! sel.isCollapsed;
758 var embed_p = selection_is_embed_p(sel, buffer.focused_element);
759 clear_selection(buffer);
760 if (active && !embed_p) {
761 window.minibuffer.message("cleared selection");
765 // 2. if there is a focused element, unfocus it.
766 if (buffer.focused_element) {
767 buffer.focused_element.blur();
768 // if an element in a detached fragment has focus, blur() will
769 // not work, and we need to take more drastic measures. the
770 // action taken was found through experiment, so it is possibly
771 // not the most concise way to unfocus such an element.
772 if (buffer.focused_element) {
773 buffer.element.focus();
774 buffer.top_frame.focus();
776 window.minibuffer.message("unfocused element");
779 // 3. if an iframe has focus, we must blur it.
780 if (buffer.focused_frame_or_null &&
781 buffer.focused_frame_or_null.frameElement)
783 buffer.focused_frame_or_null.frameElement.blur();
785 // 4. return focus to top-frame from subframes and plugins.
786 buffer.top_frame.focus();
787 buffer.top_frame.focus(); // needed to get focus back from plugins
788 window.minibuffer.message("refocused top frame");
789 // give page-modes an opportunity to set focus specially
790 unfocus_hook.run(buffer);
792 interactive("unfocus",
793 "Unfocus is a high-level command for unfocusing hyperlinks, inputs, "+
794 "frames, iframes, plugins, and also for clearing the selection.\n"+
795 "The action that it takes is based on precedence. If there is a "+
796 "focused hyperlink or input, it will unfocus that. Otherwise, if "+
797 "there is a selection, it will clear the selection. Otherwise, it "+
798 "will return focus to the top frame from a focused frame, iframe, "+
799 "or plugin. In the case of plugins, since they steal keyboard "+
800 "control away from Conkeror, the normal way to unfocus them is "+
801 "to use command-line remoting externally: conkeror -batch -f "+
802 "unfocus. Page-modes also have an opportunity to alter the default"+
803 "focus via the hook, `focus_hook'.",
805 unfocus(I.window, I.buffer);
809 function for_each_buffer (f) {
810 for_each_window(function (w) { w.buffers.for_each(f); });
818 var mode_functions = {};
819 var mode_display_names = {};
821 define_buffer_local_hook("buffer_mode_change_hook");
822 define_current_buffer_hook("current_buffer_mode_change_hook", "buffer_mode_change_hook");
824 define_keywords("$display_name", "$class", "$enable", "$disable", "$doc");
825 function define_buffer_mode (name) {
828 var hyphen_name = name.replace("_","-","g");
829 var display_name = arguments.$display_name;
830 var mode_class = arguments.$class;
831 var enable = arguments.$enable;
832 var disable = arguments.$disable;
834 mode_display_names[name] = display_name;
838 if (disable == false) {
844 var state = (mode_class != null) ? mode_class : (name + "_enabled");
845 var enable_hook_name = name + "_enable_hook";
846 var disable_hook_name = name + "_disable_hook";
847 define_buffer_local_hook(enable_hook_name);
848 define_buffer_local_hook(disable_hook_name);
850 var change_hook_name = null;
853 mode_functions[name] = { enable: enable,
855 mode_class: mode_class,
856 disable_hook_name: disable_hook_name };
857 change_hook_name = mode_class + "_change_hook";
858 define_buffer_local_hook(change_hook_name);
861 function func (buffer, arg) {
862 var old_state = buffer[state];
863 var cur_state = (old_state == name);
864 var new_state = (arg == null) ? !cur_state : (arg > 0);
865 if ((new_state == cur_state) || (!can_disable && !new_state))
866 // perhaps show a message if (!can_disable && !new_state)
867 // to tell the user that this mode cannot be disabled. do
868 // we have any existing modes that would benefit by it?
871 if (mode_class && old_state != null) {
872 // Another buffer-mode of our same mode-class is
873 // enabled. Buffer-modes within a mode-class are
874 // mutually exclusive, so turn the old one off.
875 buffer.enabled_modes.splice(buffer.enabled_modes.indexOf(old_state), 1);
876 let x = mode_functions[old_state];
879 conkeror[x.disable_hook_name].run(buffer);
881 buffer[state] = name;
884 conkeror[enable_hook_name].run(buffer);
885 buffer.enabled_modes.push(name);
887 buffer.enabled_modes.splice(buffer.enabled_modes.indexOf(name), 1);
889 conkeror[disable_hook_name].run(buffer);
890 buffer[state] = null;
892 if (change_hook_name)
893 conkeror[change_hook_name].run(buffer, buffer[state]);
894 buffer_mode_change_hook.run(buffer);
898 conkeror[name] = func;
899 interactive(hyphen_name, arguments.$doc, function (I) {
901 var new_state = func(I.buffer, arg && univ_arg_to_number(arg));
902 I.minibuffer.message(hyphen_name + (new_state ? " enabled" : " disabled"));
905 ignore_function_for_get_caller_source_code_reference("define_buffer_mode");
908 function minibuffer_mode_indicator (window) {
909 this.window = window;
910 var element = create_XUL(window, "label");
911 element.setAttribute("id", "minibuffer-mode-indicator");
912 element.setAttribute("class", "mode-text-widget");
913 window.document.getElementById("minibuffer").appendChild(element);
914 this.element = element;
915 this.hook_func = method_caller(this, this.update);
916 add_hook.call(window, "select_buffer_hook", this.hook_func);
917 add_hook.call(window, "current_buffer_mode_change_hook", this.hook_func);
920 minibuffer_mode_indicator.prototype = {
921 constructor: minibuffer_mode_indicator,
922 update: function () {
923 var buf = this.window.buffers.current;
924 var modes = buf.enabled_modes;
927 let y = mode_display_names[x];
932 }).filter(function (x) x != null).join(" ");
933 this.element.value = str;
935 uninstall: function () {
936 remove_hook.call(this.window, "select_buffer_hook", this.hook_fun);
937 remove_hook.call(this.window, "current_buffer_mode_change_hook", this.hook_fun);
938 this.element.parentNode.removeChild(this.element);
941 define_global_window_mode("minibuffer_mode_indicator", "window_initialize_hook");
942 minibuffer_mode_indicator_mode(true);
946 * minibuffer-keymaps-display
948 function minibuffer_keymaps_display_update (buffer) {
949 var element = buffer.window.document
950 .getElementById("keymaps-display");
952 var str = buffer.keymaps.reduce(
953 function (acc, kmap) {
954 if (kmap.display_name)
955 acc.push(kmap.display_name);
958 if (element.value != str)
963 function minibuffer_keymaps_display_initialize (window) {
964 var element = create_XUL(window, "label");
965 element.setAttribute("id", "keymaps-display");
966 element.setAttribute("class", "mode-text-widget");
967 element.setAttribute("value", "");
968 var mb = window.document.getElementById("minibuffer");
969 mb.appendChild(element);
972 define_global_mode("minibuffer_keymaps_display_mode",
974 add_hook("window_initialize_hook", minibuffer_keymaps_display_initialize);
975 add_hook("set_input_mode_hook", minibuffer_keymaps_display_update);
976 for_each_window(minibuffer_keymaps_display_initialize);
978 function disable () {
979 remove_hook("window_initialize_hook", minibuffer_keymaps_display_initialize);
980 remove_hook("set_input_mode_hook", minibuffer_keymaps_display_update);
981 for_each_window(function (w) {
982 var element = w.document
983 .getElementById("keymaps-display");
985 element.parentNode.removeChild(element);
989 minibuffer_keymaps_display_mode(true);
993 * minibuffer-keymaps-highlight
995 function minibuffer_keymaps_highlight_update (buffer) {
996 var mb = buffer.window.document.getElementById("minibuffer");
997 if (buffer.keymaps.some(function (k) k.notify))
998 dom_add_class(mb, "highlight");
1000 dom_remove_class(mb, "highlight");
1003 define_global_mode("minibuffer_keymaps_highlight_mode",
1004 function enable () {
1005 add_hook("set_input_mode_hook", minibuffer_keymaps_highlight_update);
1007 function disable () {
1008 remove_hook("set_input_mode_hook", minibuffer_keymaps_highlight_update);
1009 for_each_window(function (w) {
1010 var mb = w.document.getElementById("minibuffer");
1012 dom_remove_class("highlight");
1016 minibuffer_keymaps_highlight_mode(true);