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");
34 define_current_buffer_hook("current_buffer_title_change_hook", "buffer_title_change_hook");
35 define_current_buffer_hook("current_buffer_description_change_hook", "buffer_description_change_hook");
36 define_current_buffer_hook("current_buffer_scroll_hook", "buffer_scroll_hook");
37 define_current_buffer_hook("current_buffer_dom_content_loaded_hook", "buffer_dom_content_loaded_hook");
40 define_keywords("$opener");
41 function buffer_creator (type) {
42 var args = forward_keywords(arguments);
43 return function (window) {
44 return new type(window, args);
48 define_variable("allow_browser_window_close", true,
49 "If this is set to true, if a content buffer page calls " +
50 "window.close() from JavaScript and is not prevented by the " +
51 "normal Mozilla mechanism that restricts pages from closing " +
52 "a window that was not opened by a script, the buffer will be " +
53 "killed, deleting the window as well if it is the only buffer.");
55 function buffer (window) {
56 this.constructor_begin();
58 this.opener = arguments.$opener;
60 var element = create_XUL(window, "vbox");
61 element.setAttribute("flex", "1");
62 var browser = create_XUL(window, "browser");
63 if (window.buffers.count == 0)
64 browser.setAttribute("type", "content-primary");
66 browser.setAttribute("type", "content");
67 browser.setAttribute("flex", "1");
68 browser.setAttribute("autocompletepopup", "popup_autocomplete");
69 element.appendChild(browser);
70 this.window.buffers.container.appendChild(element);
71 this.window.buffers.buffer_list.push(this);
72 this.element = element;
73 this.browser = element.firstChild;
74 this.element.conkeror_buffer_object = this;
76 this.local = { __proto__: conkeror };
78 this.enabled_modes = [];
79 this.default_browser_object_classes = {};
83 this.browser.addEventListener("scroll", function (event) {
84 buffer_scroll_hook.run(buffer);
85 }, true /* capture */);
87 this.browser.addEventListener("DOMContentLoaded", function (event) {
88 buffer_dom_content_loaded_hook.run(buffer);
89 }, true /* capture */);
91 this.browser.addEventListener("load", function (event) {
92 buffer_loaded_hook.run(buffer);
93 }, true /* capture */);
95 this.browser.addEventListener("DOMWindowClose", function (event) {
96 /* This call to preventDefault is very important; without
97 * it, somehow Mozilla does something bad and as a result
98 * the window loses focus, causing keyboard commands to
100 event.preventDefault();
102 if (allow_browser_window_close)
103 kill_buffer(buffer, true);
106 this.browser.addEventListener("focus", function (event) {
107 if (buffer.focusblocker &&
108 event.target instanceof Ci.nsIDOMHTMLElement &&
109 buffer.focusblocker(buffer, event))
113 buffer.set_input_mode();
116 this.browser.addEventListener("blur", function (event) {
117 buffer.set_input_mode();
120 this.modalities = [];
122 // When create_buffer_hook_early runs, basic buffer properties
123 // will be available, but not the properties subclasses.
124 create_buffer_early_hook.run(this);
126 this.constructor_end();
131 /* Saved focus state */
132 saved_focused_frame: null,
133 saved_focused_element: null,
135 // get title () [must be defined by subclasses]
136 // get name () [must be defined by subclasses]
137 dead: false, /* This is set when the buffer is killed */
142 // The property focusblocker is available for an external module to
143 // put a function on which takes a buffer as its argument and returns
144 // true to block a focus event, or false to let normal processing
145 // occur. Having this one property explicitly handled by the buffer
146 // class allows for otherwise modular focus-blockers.
151 set_default_message: function (str) {
152 this.default_message = str;
153 if (this == this.window.buffers.current)
154 this.window.minibuffer.set_default_message(str);
157 constructors_running: 0,
159 constructor_begin: function () {
160 this.constructors_running++;
163 constructor_end: function () {
164 if (--this.constructors_running == 0) {
165 create_buffer_hook.run(this);
166 this.set_input_mode();
171 destroy: function () {
175 this.saved_focused_frame = null;
176 this.saved_focused_element = null;
177 // prevent modalities from accessing dead browser
178 this.modalities = [];
181 set_input_mode: function () {
183 conkeror[this.input_mode](this, false);
185 this.modalities.map(function (m) m(this), this);
188 override_keymaps: function (keymaps) {
190 this.keymaps = keymaps;
191 this.set_input_mode = function () {};
193 conkeror[this.input_mode](this, false);
195 delete this.set_input_mode;
196 this.set_input_mode();
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 if (this.is_child_frame(frame))
225 get focused_frame () {
226 var frame = this.window.document.commandDispatcher.focusedWindow;
227 if (this.is_child_frame(frame))
229 return this.top_frame;
232 get focused_element () {
233 var element = this.window.document.commandDispatcher.focusedElement;
234 if (this.is_child_element(element))
239 get focused_selection_controller () {
240 return this.focused_frame
241 .QueryInterface(Ci.nsIInterfaceRequestor)
242 .getInterface(Ci.nsIWebNavigation)
243 .QueryInterface(Ci.nsIInterfaceRequestor)
244 .getInterface(Ci.nsISelectionDisplay)
245 .QueryInterface(Ci.nsISelectionController);
248 do_command: function (command) {
249 function attempt_command (element, command) {
251 if (element.controllers
252 && (controller = element.controllers.getControllerForCommand(command)) != null
253 && controller.isCommandEnabled(command))
255 controller.doCommand(command);
261 var element = this.focused_element;
262 if (element && attempt_command(element, command))
264 var win = this.focused_frame;
266 if (attempt_command(win, command))
268 if (!win.parent || win == win.parent)
275 function with_current_buffer (buffer, callback) {
276 return callback(new interactive_context(buffer));
279 function check_buffer (obj, type) {
280 if (!(obj instanceof type))
281 throw interactive_error("Buffer has invalid type.");
283 throw interactive_error("Buffer has already been killed.");
287 function caret_enabled (buffer) {
288 return buffer.browser.getAttribute('showcaret');
291 function clear_selection (buffer) {
292 let sel_ctrl = buffer.focused_selection_controller;
294 let sel = sel_ctrl.getSelection(sel_ctrl.SELECTION_NORMAL);
295 if (caret_enabled(buffer)) {
297 sel.collapseToStart();
299 sel.removeAllRanges();
305 function buffer_container (window, create_initial_buffer) {
306 this.window = window;
307 this.container = window.document.getElementById("buffer-container");
308 this.buffer_list = [];
309 window.buffers = this;
310 create_initial_buffer(window);
312 buffer_container.prototype = {
313 constructor: buffer_container,
316 return this.container.selectedPanel.conkeror_buffer_object;
319 set current (buffer) {
320 var old_value = this.current;
321 if (old_value == buffer)
324 this.buffer_list.splice(this.buffer_list.indexOf(buffer), 1);
325 this.buffer_list.unshift(buffer);
327 this._switch_away_from(this.current);
328 this._switch_to(buffer);
331 select_buffer_hook.run(buffer);
334 _switch_away_from: function (old_value) {
336 old_value.saved_focused_frame = old_value.focused_frame;
337 old_value.saved_focused_element = old_value.focused_element;
339 old_value.browser.setAttribute("type", "content");
342 _switch_to: function (buffer) {
343 // Select new buffer in the XUL deck
344 this.container.selectedPanel = buffer.element;
346 buffer.browser.setAttribute("type", "content-primary");
349 * This next focus call seems to be needed to avoid focus
350 * somehow getting lost (and the keypress handler therefore
351 * not getting called at all) when killing buffers.
355 // Restore focus state
356 buffer.browser.focus();
357 if (buffer.saved_focused_element)
358 set_focus_no_scroll(this.window, buffer.saved_focused_element);
359 else if (buffer.saved_focused_frame)
360 set_focus_no_scroll(this.window, buffer.saved_focused_frame);
362 buffer.saved_focused_element = null;
363 buffer.saved_focused_frame = null;
365 this.window.minibuffer.set_default_message(buffer.default_message);
369 return this.container.childNodes.length;
372 get_buffer: function (index) {
373 if (index >= 0 && index < this.count)
374 return this.container.childNodes.item(index).conkeror_buffer_object;
378 get selected_index () {
379 var nodes = this.container.childNodes;
380 var count = nodes.length;
381 for (var i = 0; i < count; ++i)
382 if (nodes.item(i) == this.container.selectedPanel)
387 index_of: function (b) {
388 var nodes = this.container.childNodes;
389 var count = nodes.length;
390 for (var i = 0; i < count; ++i)
391 if (nodes.item(i) == b.element)
396 get unique_name_list () {
397 var existing_names = new string_hashset();
399 this.for_each(function(b) {
400 var base_name = b.name;
401 var name = base_name;
403 while (existing_names.contains(name)) {
405 name = base_name + "<" + index + ">";
407 existing_names.add(name);
408 bufs.push([name, b]);
413 kill_buffer: function (b) {
416 var count = this.count;
419 var new_buffer = this.buffer_list[0];
421 if (b == new_buffer) {
422 new_buffer = this.buffer_list[1];
425 this._switch_away_from(this.current);
426 // The removeChild call below may trigger events in progress
427 // listeners. This call to `destroy' gives buffer subclasses a
428 // chance to remove such listeners, so that they cannot try to
429 // perform UI actions based upon a xul:browser that no longer
431 var element = b.element;
433 this.container.removeChild(element);
434 this.buffer_list.splice(this.buffer_list.indexOf(b), 1);
435 this._switch_to(new_buffer);
437 select_buffer_hook.run(new_buffer);
438 this.buffer_list.splice(this.buffer_list.indexOf(new_buffer), 1);
439 this.buffer_list.unshift(new_buffer);
441 kill_buffer_hook.run(b);
445 bury_buffer: function (b) {
446 var new_buffer = this.buffer_list[0];
448 new_buffer = this.buffer_list[1];
449 this.buffer_list.splice(this.buffer_list.indexOf(b), 1);
450 this.buffer_list.push(b);
451 this.current = new_buffer;
455 for_each: function (f) {
456 var count = this.count;
457 for (var i = 0; i < count; ++i)
458 f(this.get_buffer(i));
462 function buffer_initialize_window_early (window) {
464 * Use content_buffer by default to handle an unusual case where
465 * browser.chromeURI is used perhaps. In general this default
466 * should not be needed.
468 var create_initial_buffer =
469 window.args.initial_buffer_creator || buffer_creator(content_buffer);
470 new buffer_container(window, create_initial_buffer);
473 add_hook("window_initialize_early_hook", buffer_initialize_window_early);
476 define_buffer_local_hook("buffer_kill_before_hook", RUN_HOOK_UNTIL_FAILURE);
477 function buffer_before_window_close (window) {
478 var bs = window.buffers;
479 var count = bs.count;
480 for (let i = 0; i < count; ++i) {
481 if (!buffer_kill_before_hook.run(bs.get_buffer(i)))
486 add_hook("window_before_close_hook", buffer_before_window_close);
488 function buffer_window_close_handler (window) {
489 var bs = window.buffers;
490 var count = bs.count;
491 for (let i = 0; i < count; ++i) {
492 let b = bs.get_buffer(i);
496 add_hook("window_close_hook", buffer_window_close_handler);
498 /* open/follow targets */
499 const OPEN_CURRENT_BUFFER = 0; // only valid for open if the current
500 // buffer is a content_buffer.
501 const OPEN_NEW_BUFFER = 1;
502 const OPEN_NEW_BUFFER_BACKGROUND = 2;
503 const OPEN_NEW_WINDOW = 3;
505 const FOLLOW_DEFAULT = 4; // for open, implies OPEN_CURRENT_BUFFER
506 const FOLLOW_CURRENT_FRAME = 5; // for open, implies OPEN_CURRENT_BUFFER
508 var TARGET_PROMPTS = [" in current buffer",
510 " in new buffer (background)",
513 " in current frame"];
515 var TARGET_NAMES = ["current buffer",
517 "new buffer (background)",
523 function create_buffer (window, creator, target) {
525 case OPEN_NEW_BUFFER:
526 window.buffers.current = creator(window, null);
528 case OPEN_NEW_BUFFER_BACKGROUND:
529 creator(window, null);
531 case OPEN_NEW_WINDOW:
532 make_window(creator);
535 throw new Error("invalid target");
539 let (queued_buffer_creators = null) {
540 function create_buffer_in_current_window (creator, target, focus_existing) {
541 function process_queued_buffer_creators (window) {
542 for (var i = 0; i < queued_buffer_creators.length; ++i) {
543 var x = queued_buffer_creators[i];
544 create_buffer(window, x[0], x[1]);
546 queued_buffer_creators = null;
549 if (target == OPEN_NEW_WINDOW)
550 throw new Error("invalid target");
551 var window = get_recent_conkeror_window();
555 create_buffer(window, creator, target);
556 } else if (queued_buffer_creators != null) {
557 queued_buffer_creators.push([creator,target]);
559 queued_buffer_creators = [];
560 window = make_window(creator);
561 add_hook.call(window, "window_initialize_late_hook", process_queued_buffer_creators);
570 minibuffer_auto_complete_preferences["buffer"] = true;
571 define_keywords("$default");
572 minibuffer.prototype.read_buffer = function () {
573 var window = this.window;
574 var buffer = this.window.buffers.current;
575 keywords(arguments, $prompt = "Buffer:",
577 $history = "buffer");
578 var completer = all_word_completer(
579 $completions = function (visitor) window.buffers.for_each(visitor),
580 $get_string = function (x) x.description,
581 $get_description = function (x) x.title);
582 var result = yield this.read(
583 $keymap = read_buffer_keymap,
584 $prompt = arguments.$prompt,
585 $history = arguments.$history,
586 $completer = completer,
587 $match_required = true,
588 $auto_complete = "buffer",
589 $auto_complete_initial = true,
590 $auto_complete_delay = 0,
591 $default_completion = arguments.$default);
592 yield co_return(result);
596 interactive("buffer-reset-input-mode",
597 "Force a reset of the input mode. Used by quote-next.",
599 I.buffer.set_input_mode();
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 * unfocus is a high-level command for unfocusing hyperlinks, inputs,
728 * frames, iframes, plugins, and also clearing the selection.
730 define_buffer_local_hook("unfocus_hook");
731 function unfocus (window, buffer) {
732 // 1. if there is a selection, clear it.
733 var selc = buffer.focused_selection_controller;
735 var sel = selc.getSelection(selc.SELECTION_NORMAL);
736 var active = ! sel.isCollapsed;
737 clear_selection(buffer);
739 window.minibuffer.message("cleared selection");
743 // 2. if there is a focused element, unfocus it.
744 if (buffer.focused_element) {
745 buffer.focused_element.blur();
746 // if an element in a detached fragment has focus, blur() will
747 // not work, and we need to take more drastic measures. the
748 // action taken was found through experiment, so it is possibly
749 // not the most concise way to unfocus such an element.
750 if (buffer.focused_element) {
751 buffer.element.focus();
752 buffer.top_frame.focus();
754 window.minibuffer.message("unfocused element");
757 // 3. if an iframe has focus, we must blur it.
758 if (buffer.focused_frame_or_null &&
759 buffer.focused_frame_or_null.frameElement)
761 buffer.focused_frame_or_null.frameElement.blur();
763 // 4. return focus to top-frame from subframes and plugins.
764 buffer.top_frame.focus();
765 buffer.top_frame.focus(); // needed to get focus back from plugins
766 window.minibuffer.message("refocused top frame");
767 // give page-modes an opportunity to set focus specially
768 unfocus_hook.run(buffer);
770 interactive("unfocus",
771 "Unfocus is a high-level command for unfocusing hyperlinks, inputs, "+
772 "frames, iframes, plugins, and also for clearing the selection. "+
773 "The action that it takes is based on precedence. If there is a "+
774 "focused hyperlink or input, it will unfocus that. Otherwise, if "+
775 "there is a selection, it will clear the selection. Otherwise, it "+
776 "will return focus to the top frame from a focused frame, iframe, "+
777 "or plugin. In the case of plugins, since they steal keyboard "+
778 "control away from Conkeror, the normal way to unfocus them is "+
779 "to use command-line remoting externally: conkeror -batch -f "+
780 "unfocus. Page-modes also have an opportunity to alter the default"+
781 "focus via the hook, `focus_hook'.",
783 unfocus(I.window, I.buffer);
787 function for_each_buffer (f) {
788 for_each_window(function (w) { w.buffers.for_each(f); });
796 var mode_functions = {};
797 var mode_display_names = {};
799 define_buffer_local_hook("buffer_mode_change_hook");
800 define_current_buffer_hook("current_buffer_mode_change_hook", "buffer_mode_change_hook");
802 define_keywords("$display_name", "$class", "$enable", "$disable", "$doc");
803 function define_buffer_mode (name) {
806 var hyphen_name = name.replace("_","-","g");
807 var display_name = arguments.$display_name;
808 var mode_class = arguments.$class;
809 var enable = arguments.$enable;
810 var disable = arguments.$disable;
812 mode_display_names[name] = display_name;
816 if (disable == false) {
822 var state = (mode_class != null) ? mode_class : (name + "_enabled");
823 var enable_hook_name = name + "_enable_hook";
824 var disable_hook_name = name + "_disable_hook";
825 define_buffer_local_hook(enable_hook_name);
826 define_buffer_local_hook(disable_hook_name);
828 var change_hook_name = null;
831 mode_functions[name] = { enable: enable,
833 mode_class: mode_class,
834 disable_hook_name: disable_hook_name };
835 change_hook_name = mode_class + "_change_hook";
836 define_buffer_local_hook(change_hook_name);
839 function func (buffer, arg) {
840 var old_state = buffer[state];
841 var cur_state = (old_state == name);
842 var new_state = (arg == null) ? !cur_state : (arg > 0);
843 if ((new_state == cur_state) || (!can_disable && !new_state))
844 // perhaps show a message if (!can_disable && !new_state)
845 // to tell the user that this mode cannot be disabled. do
846 // we have any existing modes that would benefit by it?
849 if (mode_class && old_state != null) {
850 // Another buffer-mode of our same mode-class is
851 // enabled. Buffer-modes within a mode-class are
852 // mutually exclusive, so turn the old one off.
853 buffer.enabled_modes.splice(buffer.enabled_modes.indexOf(old_state), 1);
854 let x = mode_functions[old_state];
857 conkeror[x.disable_hook_name].run(buffer);
859 buffer[state] = name;
862 conkeror[enable_hook_name].run(buffer);
863 buffer.enabled_modes.push(name);
865 buffer.enabled_modes.splice(buffer.enabled_modes.indexOf(name), 1);
867 conkeror[disable_hook_name].run(buffer);
868 buffer[state] = null;
870 if (change_hook_name)
871 conkeror[change_hook_name].run(buffer, buffer[state]);
872 buffer_mode_change_hook.run(buffer);
876 conkeror[name] = func;
877 interactive(hyphen_name, arguments.$doc, function (I) {
879 var new_state = func(I.buffer, arg && univ_arg_to_number(arg));
880 I.minibuffer.message(hyphen_name + (new_state ? " enabled" : " disabled"));
883 ignore_function_for_get_caller_source_code_reference("define_buffer_mode");
886 function minibuffer_mode_indicator (window) {
887 this.window = window;
888 var element = create_XUL(window, "label");
889 element.setAttribute("id", "minibuffer-mode-indicator");
890 element.collapsed = true;
891 element.setAttribute("class", "minibuffer");
892 window.document.getElementById("minibuffer").appendChild(element);
893 this.element = element;
894 this.hook_func = method_caller(this, this.update);
895 add_hook.call(window, "select_buffer_hook", this.hook_func);
896 add_hook.call(window, "current_buffer_mode_change_hook", this.hook_func);
899 minibuffer_mode_indicator.prototype = {
900 constructor: minibuffer_mode_indicator,
901 update: function () {
902 var buf = this.window.buffers.current;
903 var modes = buf.enabled_modes;
906 let y = mode_display_names[x];
908 return "[" + y + "]";
911 }).filter(function (x) x != null).join(" ");
912 this.element.collapsed = (str.length == 0);
913 this.element.value = str;
915 uninstall: function () {
916 remove_hook.call(window, "select_buffer_hook", this.hook_fun);
917 remove_hook.call(window, "current_buffer_mode_change_hook", this.hook_fun);
918 this.element.parentNode.removeChild(this.element);
921 define_global_window_mode("minibuffer_mode_indicator", "window_initialize_hook");
922 minibuffer_mode_indicator_mode(true);
929 define_current_buffer_hook("current_buffer_input_mode_change_hook", "input_mode_change_hook");
930 define_keywords("$display_name", "$doc");
931 function define_input_mode (base_name, keymap_name) {
933 var name = base_name + "_input_mode";
934 define_buffer_mode(name,
935 $class = "input_mode",
936 $enable = function (buffer) {
937 check_buffer(buffer, content_buffer);
938 buffer.keymaps.push(conkeror[keymap_name]);
940 $disable = function (buffer) {
941 var i = buffer.keymaps.indexOf(conkeror[keymap_name]);
943 buffer.keymaps.splice(i, 1);
945 forward_keywords(arguments));
947 ignore_function_for_get_caller_source_code_reference("define_input_mode");
950 function minibuffer_input_mode_indicator (window) {
951 this.window = window;
952 this.hook_func = method_caller(this, this.update);
953 add_hook.call(window, "select_buffer_hook", this.hook_func);
954 add_hook.call(window, "current_buffer_input_mode_change_hook", this.hook_func);
957 minibuffer_input_mode_indicator.prototype = {
958 constructor: minibuffer_input_mode_indicator,
959 update: function () {
960 var buf = this.window.buffers.current;
961 var mode = buf.input_mode;
962 var classname = mode ? ("minibuffer-" + buf.input_mode.replace("_","-","g")) : "";
963 this.window.minibuffer.element.className = classname;
965 uninstall: function () {
966 remove_hook.call(window, "select_buffer_hook", this.hook_func);
967 remove_hook.call(window, "current_buffer_input_mode_change_hook", this.hook_func);
971 define_global_window_mode("minibuffer_input_mode_indicator", "window_initialize_hook");
972 minibuffer_input_mode_indicator_mode(true);