2 * (C) Copyright 2004-2007 Shawn Betts
3 * (C) Copyright 2007-2009 John J. Foerch
4 * (C) Copyright 2007-2008 Jeremy Maitin-Shepard
6 * Use, modification, and distribution are subject to the terms specified in the
10 var define_buffer_local_hook = local_hook_definer("window");
12 function define_current_buffer_hook (hook_name, existing_hook) {
13 define_buffer_local_hook(hook_name);
14 add_hook(existing_hook, function (buffer) {
15 if (!buffer.window.buffers || buffer != buffer.window.buffers.current)
17 var hook = conkeror[hook_name];
18 hook.run.apply(hook, Array.prototype.slice.call(arguments));
22 define_buffer_local_hook("buffer_title_change_hook");
23 define_buffer_local_hook("buffer_description_change_hook");
24 define_buffer_local_hook("select_buffer_hook");
25 define_buffer_local_hook("create_buffer_early_hook");
26 define_buffer_local_hook("create_buffer_hook");
27 define_buffer_local_hook("kill_buffer_hook");
28 define_buffer_local_hook("buffer_scroll_hook");
29 define_buffer_local_hook("buffer_dom_content_loaded_hook");
30 define_buffer_local_hook("buffer_loaded_hook");
32 define_current_buffer_hook("current_buffer_title_change_hook", "buffer_title_change_hook");
33 define_current_buffer_hook("current_buffer_description_change_hook", "buffer_description_change_hook");
34 define_current_buffer_hook("current_buffer_scroll_hook", "buffer_scroll_hook");
35 define_current_buffer_hook("current_buffer_dom_content_loaded_hook", "buffer_dom_content_loaded_hook");
38 define_keywords("$element", "$opener");
39 function buffer_creator (type) {
40 var args = forward_keywords(arguments);
41 return function (window, element) {
42 return new type(window, element, args);
46 define_variable("allow_browser_window_close", true,
47 "If this is set to true, if a content buffer page calls " +
48 "window.close() from JavaScript and is not prevented by the " +
49 "normal Mozilla mechanism that restricts pages from closing " +
50 "a window that was not opened by a script, the buffer will be " +
51 "killed, deleting the window as well if it is the only buffer.");
53 function buffer (window, element) {
54 this.constructor_begin();
56 this.opener = arguments.$opener;
58 if (element == null) {
59 element = create_XUL(window, "vbox");
60 element.setAttribute("flex", "1");
61 var browser = create_XUL(window, "browser");
62 browser.setAttribute("type", "content");
63 browser.setAttribute("flex", "1");
64 browser.setAttribute("autocompletepopup", "popup_autocomplete");
65 element.appendChild(browser);
66 this.window.buffers.container.appendChild(element);
68 /* Manually set up session history.
70 * This is needed because when constructor for the XBL binding
71 * (mozilla/toolkit/content/widgets/browser.xml#browser) for
72 * the initial browser element of the window is called, the
73 * docShell is not yet initialized and setting up the session
74 * history will fail. To work around this problem, we do as
75 * tabbrowser.xml (Firefox) does and set the initial browser
76 * to have the disablehistory=true attribute, and then repeat
77 * the work that would normally be done in the XBL
81 // This code is taken from mozilla/browser/base/content/browser.js
82 let browser = element.firstChild;
83 browser.webNavigation.sessionHistory =
84 Cc["@mozilla.org/browser/shistory;1"].createInstance(Ci.nsISHistory);
85 observer_service.addObserver(browser, "browser:purge-session-history", false);
87 // remove the disablehistory attribute so the browser cleans up, as
88 // though it had done this work itself
89 browser.removeAttribute("disablehistory");
91 // enable global history
92 browser.docShell.QueryInterface(Ci.nsIDocShellHistory).useGlobalHistory = true;
94 this.window.buffers.buffer_list.push(this);
95 this.element = element;
96 this.browser = element.firstChild;
97 this.element.conkeror_buffer_object = this;
99 this.local = { __proto__ : conkeror };
101 this.enabled_modes = [];
102 this.default_browser_object_classes = {};
106 this.browser.addEventListener("scroll", function (event) {
107 buffer_scroll_hook.run(buffer);
108 }, true /* capture */);
110 this.browser.addEventListener("DOMContentLoaded", function (event) {
111 buffer_dom_content_loaded_hook.run(buffer);
112 }, true /* capture */);
114 this.browser.addEventListener("load", function (event) {
115 buffer_loaded_hook.run(buffer);
116 }, true /* capture */);
118 this.browser.addEventListener("DOMWindowClose", function (event) {
119 /* This call to preventDefault is very important; without
120 * it, somehow Mozilla does something bad and as a result
121 * the window loses focus, causing keyboard commands to
123 event.preventDefault();
125 if (allow_browser_window_close)
126 kill_buffer(buffer, true);
129 this.browser.addEventListener("focus", function (event) {
130 if (buffer.focusblocker &&
131 event.target instanceof Ci.nsIDOMHTMLElement &&
132 buffer.focusblocker(buffer, event))
136 buffer.set_input_mode();
138 this.modalities = [];
140 this.override_keymaps = [];
142 // When create_buffer_hook_early runs, basic buffer properties
143 // will be available, but not the properties subclasses.
144 create_buffer_early_hook.run(this);
146 this.constructor_end();
150 /* Saved focus state */
151 saved_focused_frame: null,
152 saved_focused_element: null,
154 on_switch_away: null,
155 // get title () [must be defined by subclasses]
156 // get name () [must be defined by subclasses]
157 dead: false, /* This is set when the buffer is killed */
162 // The property focusblocker is available for an external module to
163 // put a function on which takes a buffer as its argument and returns
164 // true to block a focus event, or false to let normal processing
165 // occur. Having this one property explicitly handled by the buffer
166 // class allows for otherwise modular focus-blockers.
171 set_default_message: function (str) {
172 this.default_message = str;
173 if (this == this.window.buffers.current)
174 this.window.minibuffer.set_default_message(str);
177 constructors_running: 0,
179 constructor_begin : function () {
180 this.constructors_running++;
183 constructor_end: function () {
184 if (--this.constructors_running == 0) {
185 create_buffer_hook.run(this);
186 this.set_input_mode();
191 destroy: function () {},
193 set_input_mode: function () {
195 conkeror[this.input_mode](this, false);
197 this.modalities.map(function (m) m(this), this);
200 /* Browser accessors */
201 get top_frame () { return this.browser.contentWindow; },
202 get document () { return this.browser.contentDocument; },
203 get web_navigation () { return this.browser.webNavigation; },
204 get doc_shell () { return this.browser.docShell; },
205 get markup_document_viewer () { return this.browser.markupDocumentViewer; },
206 get current_uri () { return this.browser.currentURI; },
208 is_child_element: function (element) {
209 return (element && this.is_child_frame(element.ownerDocument.defaultView));
212 is_child_frame: function (frame) {
213 return (frame && frame.top == this.top_frame);
216 // This method is like focused_frame, except that if no content
217 // frame actually has focus, this returns null.
218 get focused_frame_or_null () {
219 var frame = this.window.document.commandDispatcher.focusedWindow;
220 var top = this.top_frame;
221 if (this.is_child_frame(frame))
226 get focused_frame () {
227 var frame = this.window.document.commandDispatcher.focusedWindow;
228 var top = this.top_frame;
229 if (this.is_child_frame(frame))
231 return this.top_frame;
234 get focused_element () {
235 var element = this.window.document.commandDispatcher.focusedElement;
236 if (this.is_child_element(element))
241 do_command: function (command) {
242 function attempt_command (element, command) {
244 if (element.controllers
245 && (controller = element.controllers.getControllerForCommand(command)) != null
246 && controller.isCommandEnabled(command))
248 controller.doCommand(command);
254 var element = this.focused_element;
255 if (element && attempt_command(element, command))
257 var win = this.focused_frame;
259 if (attempt_command(win, command))
261 if (!win.parent || win == win.parent)
267 handle_kill: function () {
271 this.saved_focused_frame = null;
272 this.saved_focused_element = null;
273 kill_buffer_hook.run(this);
277 function with_current_buffer (buffer, callback) {
278 return callback(new interactive_context(buffer));
281 function check_buffer (obj, type) {
282 if (!(obj instanceof type))
283 throw interactive_error("Buffer has invalid type.");
285 throw interactive_error("Buffer has already been killed.");
289 function buffer_container (window, create_initial_buffer) {
290 this.window = window;
291 this.container = window.document.getElementById("buffer-container");
292 this.buffer_list = [];
293 window.buffers = this;
294 create_initial_buffer(window, this.container.firstChild);
297 buffer_container.prototype = {
298 constructor: buffer_container,
301 return this.container.selectedPanel.conkeror_buffer_object;
304 set current (buffer) {
305 var old_value = this.current;
306 if (old_value == buffer)
309 this.buffer_list.splice(this.buffer_list.indexOf(buffer), 1);
310 this.buffer_list.unshift(buffer);
312 this._switch_away_from(this.current);
313 this._switch_to(buffer);
316 select_buffer_hook.run(buffer);
319 _switch_away_from: function (old_value) {
321 old_value.saved_focused_frame = old_value.focused_frame;
322 old_value.saved_focused_element = old_value.focused_element;
324 old_value.browser.setAttribute("type", "content");
327 _switch_to: function (buffer) {
328 // Select new buffer in the XUL deck
329 this.container.selectedPanel = buffer.element;
331 buffer.browser.setAttribute("type", "content-primary");
334 * This next focus call seems to be needed to avoid focus
335 * somehow getting lost (and the keypress handler therefore
336 * not getting called at all) when killing buffers.
340 // Restore focus state
341 if (buffer.saved_focused_element)
342 set_focus_no_scroll(this.window, buffer.saved_focused_element);
343 else if (buffer.saved_focused_frame)
344 set_focus_no_scroll(this.window, buffer.saved_focused_frame);
346 buffer.saved_focused_element = null;
347 buffer.saved_focused_frame = null;
349 this.window.minibuffer.set_default_message(buffer.default_message);
353 return this.container.childNodes.length;
356 get_buffer: function (index) {
357 if (index >= 0 && index < this.count)
358 return this.container.childNodes.item(index).conkeror_buffer_object;
362 get selected_index () {
363 var nodes = this.container.childNodes;
364 var count = nodes.length;
365 for (var i = 0; i < count; ++i)
366 if (nodes.item(i) == this.container.selectedPanel)
371 index_of: function (b) {
372 var nodes = this.container.childNodes;
373 var count = nodes.length;
374 for (var i = 0; i < count; ++i)
375 if (nodes.item(i) == b.element)
380 get unique_name_list () {
381 var existing_names = new string_hashset();
383 this.for_each(function(b) {
384 var base_name = b.name;
385 var name = base_name;
387 while (existing_names.contains(name))
390 name = base_name + "<" + index + ">";
392 existing_names.add(name);
393 bufs.push([name, b]);
398 kill_buffer: function (b) {
401 var count = this.count;
404 var new_buffer = this.buffer_list[0];
406 if (b == new_buffer) {
407 new_buffer = this.buffer_list[1];
410 this._switch_away_from(this.current);
411 // The removeChild call below may trigger events in progress
412 // listeners. This call to `destroy' gives buffer subclasses a
413 // chance to remove such listeners, so that they cannot try to
414 // perform UI actions based upon a xul:browser that no longer
417 this.container.removeChild(b.element);
418 this.buffer_list.splice(this.buffer_list.indexOf(b), 1);
419 this._switch_to(new_buffer);
421 select_buffer_hook.run(new_buffer);
422 this.buffer_list.splice(this.buffer_list.indexOf(new_buffer), 1);
423 this.buffer_list.unshift(new_buffer);
429 bury_buffer: function (b) {
430 var new_buffer = this.buffer_list[0];
432 new_buffer = this.buffer_list[1];
433 this.buffer_list.splice(this.buffer_list.indexOf(b), 1);
434 this.buffer_list.push(b);
435 this.current = new_buffer;
439 for_each: function (f) {
440 var count = this.count;
441 for (var i = 0; i < count; ++i)
442 f(this.get_buffer(i));
446 function buffer_initialize_window_early (window) {
448 * Use content_buffer by default to handle an unusual case where
449 * browser.chromeURI is used perhaps. In general this default
450 * should not be needed.
452 var create_initial_buffer =
453 window.args.initial_buffer_creator || buffer_creator(content_buffer);
454 new buffer_container(window, create_initial_buffer);
457 add_hook("window_initialize_early_hook", buffer_initialize_window_early);
460 define_buffer_local_hook("buffer_kill_before_hook", RUN_HOOK_UNTIL_FAILURE);
461 function buffer_before_window_close (window) {
462 var bs = window.buffers;
463 var count = bs.count;
464 for (let i = 0; i < count; ++i) {
465 if (!buffer_kill_before_hook.run(bs.get_buffer(i)))
470 add_hook("window_before_close_hook", buffer_before_window_close);
472 function buffer_window_close_handler (window) {
473 var bs = window.buffers;
474 var count = bs.count;
475 for (let i = 0; i < count; ++i) {
476 let b = bs.get_buffer(i);
480 add_hook("window_close_hook", buffer_window_close_handler);
482 /* open/follow targets */
483 const OPEN_CURRENT_BUFFER = 0; // only valid for open if the current
484 // buffer is a content_buffer.
485 const OPEN_NEW_BUFFER = 1;
486 const OPEN_NEW_BUFFER_BACKGROUND = 2;
487 const OPEN_NEW_WINDOW = 3;
489 const FOLLOW_DEFAULT = 4; // for open, implies OPEN_CURRENT_BUFFER
490 const FOLLOW_CURRENT_FRAME = 5; // for open, implies OPEN_CURRENT_BUFFER
492 var TARGET_PROMPTS = [" in current buffer",
494 " in new buffer (background)",
497 " in current frame"];
499 var TARGET_NAMES = ["current buffer",
501 "new buffer (background)",
507 function create_buffer (window, creator, target) {
509 case OPEN_NEW_BUFFER:
510 window.buffers.current = creator(window, null);
512 case OPEN_NEW_BUFFER_BACKGROUND:
513 creator(window, null);
515 case OPEN_NEW_WINDOW:
516 make_window(creator);
519 throw new Error("invalid target");
523 let (queued_buffer_creators = null) {
524 function create_buffer_in_current_window (creator, target, focus_existing) {
525 function process_queued_buffer_creators (window) {
526 for (var i = 0; i < queued_buffer_creators.length; ++i) {
527 var x = queued_buffer_creators[i];
528 create_buffer(window, x[0], x[1]);
530 queued_buffer_creators = null;
533 if (target == OPEN_NEW_WINDOW)
534 throw new Error("invalid target");
535 var window = get_recent_conkeror_window();
539 create_buffer(window, creator, target);
540 } else if (queued_buffer_creators != null) {
541 queued_buffer_creators.push([creator,target]);
543 queued_buffer_creators = [];
544 window = make_window(creator);
545 add_hook.call(window, "window_initialize_late_hook", process_queued_buffer_creators);
554 minibuffer_auto_complete_preferences["buffer"] = true;
555 define_keywords("$default");
556 minibuffer.prototype.read_buffer = function () {
557 var window = this.window;
558 var buffer = this.window.buffers.current;
559 keywords(arguments, $prompt = "Buffer:",
561 $history = "buffer");
562 var completer = all_word_completer(
563 $completions = function (visitor) window.buffers.for_each(visitor),
564 $get_string = function (x) x.description,
565 $get_description = function (x) x.title);
566 var result = yield this.read(
567 $keymap = read_buffer_keymap,
568 $prompt = arguments.$prompt,
569 $history = arguments.$history,
570 $completer = completer,
571 $match_required = true,
572 $auto_complete = "buffer",
573 $auto_complete_initial = true,
574 $auto_complete_delay = 0,
575 $default_completion = arguments.$default);
576 yield co_return(result);
580 interactive("buffer-reset-input-mode",
581 "Force a reset of the input mode. Used by quote-next.",
583 I.buffer.set_input_mode();
587 function buffer_next (window, count) {
588 var index = window.buffers.selected_index;
589 var total = window.buffers.count;
591 throw new interactive_error("No other buffer");
592 index = (index + count) % total;
595 window.buffers.current = window.buffers.get_buffer(index);
597 interactive("buffer-next",
598 "Switch to the next buffer.",
599 function (I) { buffer_next(I.window, I.p); });
600 interactive("buffer-previous",
601 "Switch to the previous buffer.",
602 function (I) { buffer_next(I.window, -I.p); });
604 function switch_to_buffer (window, buffer) {
605 if (buffer && !buffer.dead)
606 window.buffers.current = buffer;
608 interactive("switch-to-buffer",
609 "Switch to a buffer specified in the minibuffer.",
613 (yield I.minibuffer.read_buffer(
614 $prompt = "Switch to buffer:",
615 $default = (I.window.buffers.count > 1 ?
616 I.window.buffers.buffer_list[1] :
620 define_variable("can_kill_last_buffer", true,
621 "If this is set to true, kill-buffer can kill the last "+
622 "remaining buffer, and close the window.");
624 function kill_other_buffers (buffer) {
627 var bs = buffer.window.buffers;
630 while ((b = bs.get_buffer(0)) != buffer)
632 var count = bs.count;
634 bs.kill_buffer(bs.get_buffer(1));
636 interactive("kill-other-buffers",
637 "Kill all buffers except current one.\n",
638 function (I) { kill_other_buffers(I.buffer); });
641 function kill_buffer (buffer, force) {
644 var buffers = buffer.window.buffers;
645 if (buffers.count == 1 && buffer == buffers.current) {
646 if (can_kill_last_buffer || force) {
647 delete_window(buffer.window);
650 throw interactive_error("Can't kill last buffer.");
652 buffers.kill_buffer(buffer);
654 interactive("kill-buffer",
655 "Kill a buffer specified in the minibuffer.\n" +
656 "If `can_kill_last_buffer' is set to true, an attempt to kill the "+
657 "last remaining buffer in a window will cause the window to be closed.",
659 kill_buffer((yield I.minibuffer.read_buffer($prompt = "Kill buffer:")));
662 interactive("kill-current-buffer",
663 "Kill the current buffer.\n" +
664 "If `can_kill_last_buffer' is set to true, an attempt to kill the "+
665 "last remaining buffer in a window will cause the window to be closed.",
666 function (I) { kill_buffer(I.buffer); });
668 interactive("read-buffer-kill-buffer",
669 "Kill the current selected buffer in the completions list "+
670 "in a read buffer minibuffer interaction.",
672 var s = I.window.minibuffer.current_state;
673 var i = s.selected_completion_index;
674 var c = s.completions;
677 kill_buffer(c.get_value(i));
678 s.completer.refresh();
679 s.handle_input(I.window.minibuffer);
682 interactive("bury-buffer",
683 "Bury the current buffer.\n Put the current buffer at the end of " +
684 "the buffer list, so that it is the least likely buffer to be " +
685 "selected by `switch-to-buffer'.",
686 function (I) { I.window.buffers.bury_buffer(I.buffer); });
688 function change_directory (buffer, dir) {
689 if (buffer.page != null)
690 delete buffer.page.local.cwd;
691 buffer.local.cwd = make_file(dir);
693 interactive("change-directory",
694 "Change the current directory of the selected buffer.",
698 (yield I.minibuffer.read_existing_directory_path(
699 $prompt = "Change to directory:",
700 $initial_value = make_file(I.local.cwd).path)));
703 interactive("shell-command", null,
705 var cwd = I.local.cwd;
706 var cmd = (yield I.minibuffer.read_shell_command($cwd = cwd));
707 yield shell_command(cmd, $cwd = cwd);
712 * unfocus is a high-level command for unfocusing hyperlinks, inputs,
713 * frames, iframes, plugins, and also clearing the selection.
715 define_buffer_local_hook("unfocus_hook");
716 function unfocus (window, buffer) {
717 // 1. if there is a selection, clear it.
718 var selc = getFocusedSelCtrl(buffer);
719 if (selc && selc.getSelection(selc.SELECTION_NORMAL).isCollapsed == false) {
720 clear_selection(buffer);
721 window.minibuffer.message("cleared selection");
724 // 2. if there is a focused element, unfocus it.
725 if (buffer.focused_element) {
726 buffer.focused_element.blur();
727 // if an element in a detached fragment has focus, blur() will
728 // not work, and we need to take more drastic measures. the
729 // action taken was found through experiment, so it is possibly
730 // not the most concise way to unfocus such an element.
731 if (buffer.focused_element) {
732 buffer.element.focus();
733 buffer.top_frame.focus();
735 window.minibuffer.message("unfocused element");
738 // 3. return focus to top-frame from subframes and plugins.
739 buffer.top_frame.focus();
740 buffer.top_frame.focus(); // needed to get focus back from plugins
741 window.minibuffer.message("refocused top frame");
742 // give page-modes an opportunity to set focus specially
743 unfocus_hook.run(buffer);
745 interactive("unfocus",
746 "Unfocus is a high-level command for unfocusing hyperlinks, inputs, "+
747 "frames, iframes, plugins, and also for clearing the selection. "+
748 "The action that it takes is based on precedence. If there is a "+
749 "focused hyperlink or input, it will unfocus that. Otherwise, if "+
750 "there is a selection, it will clear the selection. Otherwise, it "+
751 "will return focus to the top frame from a focused frame, iframe, "+
752 "or plugin. In the case of plugins, since they steal keyboard "+
753 "control away from Conkeror, the normal way to unfocus them is "+
754 "to use command-line remoting externally: conkeror -batch -f "+
755 "unfocus. Page-modes also have an opportunity to alter the default"+
756 "focus via the hook, `focus_hook'.",
758 unfocus(I.window, I.buffer);
762 function for_each_buffer (f) {
763 for_each_window(function (w) { w.buffers.for_each(f); });
771 var mode_functions = {};
772 var mode_display_names = {};
774 define_buffer_local_hook("buffer_mode_change_hook");
775 define_current_buffer_hook("current_buffer_mode_change_hook", "buffer_mode_change_hook");
777 define_keywords("$display_name", "$class", "$enable", "$disable", "$doc");
778 function define_buffer_mode (name) {
781 var hyphen_name = name.replace("_","-","g");
782 var display_name = arguments.$display_name;
783 var mode_class = arguments.$class;
784 var enable = arguments.$enable;
785 var disable = arguments.$disable;
787 mode_display_names[name] = display_name;
791 if (disable == false) {
797 var state = (mode_class != null) ? mode_class : (name + "_enabled");
798 var enable_hook_name = name + "_enable_hook";
799 var disable_hook_name = name + "_disable_hook";
800 define_buffer_local_hook(enable_hook_name);
801 define_buffer_local_hook(disable_hook_name);
803 var change_hook_name = null;
806 mode_functions[name] = { enable: enable,
808 mode_class: mode_class,
809 disable_hook_name: disable_hook_name };
810 change_hook_name = mode_class + "_change_hook";
811 define_buffer_local_hook(change_hook_name);
814 function func (buffer, arg) {
815 var old_state = buffer[state];
816 var cur_state = (old_state == name);
817 var new_state = (arg == null) ? !cur_state : (arg > 0);
818 if ((new_state == cur_state) || (!can_disable && !new_state))
819 // perhaps show a message if (!can_disable && !new_state)
820 // to tell the user that this mode cannot be disabled. do
821 // we have any existing modes that would benefit by it?
824 if (mode_class && old_state != null) {
825 // Another buffer-mode of our same mode-class is
826 // enabled. Buffer-modes within a mode-class are
827 // mutually exclusive, so turn the old one off.
828 buffer.enabled_modes.splice(buffer.enabled_modes.indexOf(old_state), 1);
829 let x = mode_functions[old_state];
832 conkeror[x.disable_hook_name].run(buffer);
834 buffer[state] = name;
837 conkeror[enable_hook_name].run(buffer);
838 buffer.enabled_modes.push(name);
840 buffer.enabled_modes.splice(buffer.enabled_modes.indexOf(name), 1);
842 conkeror[disable_hook_name].run(buffer);
843 buffer[state] = null;
845 if (change_hook_name)
846 conkeror[change_hook_name].run(buffer, buffer[state]);
847 buffer_mode_change_hook.run(buffer);
851 conkeror[name] = func;
852 interactive(hyphen_name, arguments.$doc, function (I) {
854 var new_state = func(I.buffer, arg && univ_arg_to_number(arg));
855 I.minibuffer.message(hyphen_name + (new_state ? " enabled" : " disabled"));
858 ignore_function_for_get_caller_source_code_reference("define_buffer_mode");
861 function minibuffer_mode_indicator (window) {
862 this.window = window;
863 var element = create_XUL(window, "label");
864 element.setAttribute("id", "minibuffer-mode-indicator");
865 element.collapsed = true;
866 element.setAttribute("class", "minibuffer");
867 window.document.getElementById("minibuffer").appendChild(element);
868 this.element = element;
869 this.hook_func = method_caller(this, this.update);
870 add_hook.call(window, "select_buffer_hook", this.hook_func);
871 add_hook.call(window, "current_buffer_mode_change_hook", this.hook_func);
874 minibuffer_mode_indicator.prototype = {
875 update: function () {
876 var buf = this.window.buffers.current;
877 var modes = buf.enabled_modes;
880 let y = mode_display_names[x];
882 return "[" + y + "]";
885 }).filter(function (x) x != null).join(" ");
886 this.element.collapsed = (str.length == 0);
887 this.element.value = str;
889 uninstall: function () {
890 remove_hook.call(window, "select_buffer_hook", this.hook_fun);
891 remove_hook.call(window, "current_buffer_mode_change_hook", this.hook_fun);
892 this.element.parentNode.removeChild(this.element);
895 define_global_window_mode("minibuffer_mode_indicator", "window_initialize_hook");
896 minibuffer_mode_indicator_mode(true);
903 define_current_buffer_hook("current_buffer_input_mode_change_hook", "input_mode_change_hook");
904 define_keywords("$display_name", "$doc");
905 function define_input_mode (base_name, keymap_name) {
907 var name = base_name + "_input_mode";
908 define_buffer_mode(name,
909 $class = "input_mode",
910 $enable = function (buffer) {
911 check_buffer(buffer, content_buffer);
912 buffer.keymaps.push(conkeror[keymap_name]);
914 $disable = function (buffer) {
915 var i = buffer.keymaps.indexOf(conkeror[keymap_name]);
917 buffer.keymaps.splice(i, 1);
919 forward_keywords(arguments));
921 ignore_function_for_get_caller_source_code_reference("define_input_mode");
924 function minibuffer_input_mode_indicator (window) {
925 this.window = window;
926 this.hook_func = method_caller(this, this.update);
927 add_hook.call(window, "select_buffer_hook", this.hook_func);
928 add_hook.call(window, "current_buffer_input_mode_change_hook", this.hook_func);
932 minibuffer_input_mode_indicator.prototype = {
933 update: function () {
934 var buf = this.window.buffers.current;
935 var mode = buf.input_mode;
936 var classname = mode ? ("minibuffer-" + buf.input_mode.replace("_","-","g")) : "";
937 this.window.minibuffer.element.className = classname;
939 uninstall: function () {
940 remove_hook.call(window, "select_buffer_hook", this.hook_func);
941 remove_hook.call(window, "current_buffer_input_mode_change_hook", this.hook_func);
945 define_global_window_mode("minibuffer_input_mode_indicator", "window_initialize_hook");
946 minibuffer_input_mode_indicator_mode(true);