X-Git-Url: https://git.sesse.net/?p=remoteglot;a=blobdiff_plain;f=www%2Fjs%2Fremoteglot.js;h=01fee378b933b417a8669a9bf8b5a74e8c4d0009;hp=b59c6e4be08f2089d1760fb15a9c18573916d3f6;hb=ee7c89056c97c8b999034b5c7f2da0d7570b885f;hpb=3cd78f862aacdc01c47ecc4afdc27ebccafc7972

diff --git a/www/js/remoteglot.js b/www/js/remoteglot.js
index b59c6e4..01fee37 100644
--- a/www/js/remoteglot.js
+++ b/www/js/remoteglot.js
@@ -65,6 +65,21 @@ var highlighted_move = null;
 /** @type {?number} @private */
 var unique = null;
 
+/** @type {boolean} @private */
+var enable_sound = false;
+
+/**
+ * Our best estimate of how many milliseconds we need to add to 
+ * new Date() to get the true UTC time. Calibrated against the
+ * server clock.
+ *
+ * @type {?number}
+ * @private
+ */
+var client_clock_offset_ms = null;
+
+var clock_timer = null;
+
 /** The current position on the board, represented as a FEN string.
  * @type {?string}
  * @private
@@ -119,8 +134,10 @@ var request_update = function() {
 	$.ajax({
 		url: "/analysis.pl?ims=" + ims + "&unique=" + unique
 	}).done(function(data, textstatus, xhr) {
+		sync_server_clock(xhr.getResponseHeader('Date'));
 		ims = xhr.getResponseHeader('X-Remoteglot-Last-Modified');
 		var num_viewers = xhr.getResponseHeader('X-Remoteglot-Num-Viewers');
+		possibly_play_sound(current_analysis_data, data);
 		current_analysis_data = data;
 		update_board(current_analysis_data, displayed_analysis_data);
 		update_num_viewers(num_viewers);
@@ -133,6 +150,41 @@ var request_update = function() {
 	});
 }
 
+var possibly_play_sound = function(old_data, new_data) {
+	if (!enable_sound) {
+		return;
+	}
+	if (old_data === null) {
+		return;
+	}
+	var ding = document.getElementById('ding');
+	if (ding && ding.play) {
+		if (old_data['position'] && old_data['position']['fen'] &&
+		    new_data['position'] && new_data['position']['fen'] &&
+		    (old_data['position']['fen'] !== new_data['position']['fen'] ||
+		     old_data['position']['move_num'] !== new_data['position']['move_num'])) {
+			ding.play();
+		}
+	}
+}
+
+/**
+ * @type {!string} server_date_string
+ */
+var sync_server_clock = function(server_date_string) {
+	var server_time_ms = new Date(server_date_string).getTime();
+	var client_time_ms = new Date().getTime();
+	var estimated_offset_ms = server_time_ms - client_time_ms;
+
+	// In order not to let the noise move us too much back and forth
+	// (the server only has one-second resolution anyway), we only
+	// change an existing skew if we are at least five seconds off.
+	if (client_clock_offset_ms === null ||
+	    Math.abs(estimated_offset_ms - client_clock_offset_ms) > 5000) {
+		client_clock_offset_ms = estimated_offset_ms;
+	}
+}
+
 var clear_arrows = function() {
 	for (var i = 0; i < arrows.length; ++i) {
 		if (arrows[i].svg) {
@@ -630,7 +682,7 @@ var update_board = function(current_data, display_data) {
 	// The <title> contains a very brief headline.
 	var title_elems = [];
 	if (data['short_score'] !== undefined && data['short_score'] !== null) {
-		title_elems.push(data['short_score']);
+		title_elems.push(data['short_score'].replace(/^ /, ""));
 	}
 	if (last_move !== null) {
 		title_elems.push(last_move);
@@ -642,17 +694,43 @@ var update_board = function(current_data, display_data) {
 		document.title = 'analysis.sesse.net';
 	}
 
+	// The last move (shown by highlighting the from and to squares).
+	if (data['position'] && data['position']['last_move_uci']) {
+		highlight_from = data['position']['last_move_uci'].substr(0, 2);
+		highlight_to = data['position']['last_move_uci'].substr(2, 2);
+	} else if (current_display_line_is_history && current_display_move >= 0) {
+		// We don't have historic analysis for this position, but we
+		// can reconstruct what the last move was by just replaying
+		// from the start.
+		var hiddenboard = new Chess();
+		for (var i = 0; i <= current_display_move; ++i) {
+			hiddenboard.move(current_display_line.pretty_pv[i]);
+		}
+		var moves = hiddenboard.history({ verbose: true });
+		var last_move = moves.pop();
+		highlight_from = last_move.from;
+		highlight_to = last_move.to;
+	} else {
+		highlight_from = highlight_to = undefined;
+	}
+	update_highlight();
+
 	if (data['failed']) {
 		$("#score").text("No analysis for this move");
 		$("#pv").empty();
 		$("#searchstats").html("&nbsp;");
 		$("#refutationlines").empty();
+		$("#whiteclock").empty();
+		$("#blackclock").empty();
 		refutation_lines = [];
 		update_refutation_lines();
 		clear_arrows();
+		update_displayed_line();
 		return;
 	}
 
+	update_clock();
+
 	// The engine id.
 	if (data['id'] && data['id']['name'] !== null) {
 		$("#engineid").text(data['id']['name']);
@@ -688,14 +766,6 @@ var update_board = function(current_data, display_data) {
 	fen = data['position']['fen'];
 	update_displayed_line();
 
-	if (data['position']['last_move_uci']) {
-		highlight_from = data['position']['last_move_uci'].substr(0, 2);
-		highlight_to = data['position']['last_move_uci'].substr(2, 2);
-	} else {
-		highlight_from = highlight_to = undefined;
-	}
-	update_highlight();
-
 	// Print the PV.
 	$("#pv").html(add_pv(data['position']['fen'], data['pv_pretty'], data['position']['move_num'], data['position']['toplay']));
 
@@ -772,6 +842,93 @@ var update_num_viewers = function(num_viewers) {
 	}
 }
 
+var update_clock = function() {
+	clearTimeout(clock_timer);
+
+	var data = displayed_analysis_data || current_analysis_data;
+	if (data['position']) {
+		var result = data['position']['result'];
+		if (result === '1-0') {
+			$("#whiteclock").text("1");
+			$("#blackclock").text("0");
+			return;
+		}
+		if (result === '1/2-1/2') {
+			$("#whiteclock").text("1/2");
+			$("#blackclock").text("1/2");
+			return;
+		}	
+		if (result === '0-1') {
+			$("#whiteclock").text("0");
+			$("#blackclock").text("1");
+			return;
+		}
+	}
+
+	var white_clock = "";
+	var black_clock = "";
+
+	// Static clocks.
+	if (data['position'] &&
+	    data['position']['white_clock'] &&
+	    data['position']['black_clock']) {
+		white_clock = data['position']['white_clock'];
+		black_clock = data['position']['black_clock'];
+	}
+
+	// Dynamic clock (only one, obviously).
+	var color;
+	if (data['position']['white_clock_target']) {
+		color = "white";
+	} else if (data['position']['black_clock_target']) {
+		color = "black";
+	}
+	if (color) {
+		var now = new Date().getTime() + client_clock_offset_ms;
+		var remaining_ms = data['position'][color + '_clock_target'] * 1000 - now;
+		if (color === "white") {
+			white_clock = format_clock(remaining_ms);
+		} else {
+			black_clock = format_clock(remaining_ms);
+		}
+
+		// See when the clock will change next, and update right after that.
+		var next_update_ms = remaining_ms % 1000 + 100;
+		clock_timer = setTimeout(update_clock, next_update_ms);
+	}
+
+	$("#whiteclock").text(white_clock);
+	$("#blackclock").text(black_clock);
+}
+
+/**
+ * @param {Number} remaining_ms
+ */
+var format_clock = function(remaining_ms) {
+	if (remaining_ms <= 0) {
+		return "00:00:00";
+	}
+
+	var remaining = Math.floor(remaining_ms / 1000);
+	var seconds = remaining % 60;
+	remaining = (remaining - seconds) / 60;
+	var minutes = remaining % 60;
+	remaining = (remaining - minutes) / 60;
+	var hours = remaining;
+	return format_2d(hours) + ":" + format_2d(minutes) + ":" + format_2d(seconds);	
+}
+
+/**
+ * @param {Number} x
+ */
+var format_2d = function(x) {
+	if (x >= 10) {
+		return x;
+	} else {
+		return "0" + x;
+	}
+}
+
 /**
  * @param {string} move
  * @param {Number} move_num
@@ -793,6 +950,9 @@ var format_move_with_number = function(move, move_num, white_to_play) {
  */
 var resort_refutation_lines = function(sort_by_score) {
 	sort_refutation_lines_by_score = sort_by_score;
+	if (supports_html5_storage()) {
+		localStorage['sort_refutation_lines_by_score'] = sort_by_score ? 1 : 0;
+	}
 	update_refutation_lines();
 }
 window['resort_refutation_lines'] = resort_refutation_lines;
@@ -916,9 +1076,47 @@ var update_displayed_line = function() {
 	board.position(hiddenboard.fen());
 }
 
+/**
+ * @param {boolean} param_enable_sound
+ */
+var set_sound = function(param_enable_sound) {
+	enable_sound = param_enable_sound;
+	if (enable_sound) {
+		$("#soundon").html("<strong>On</strong>");
+		$("#soundoff").html("<a href=\"javascript:set_sound(false)\">Off</a>");
+
+		// Seemingly at least Firefox prefers MP3 over Opus; tell it otherwise,
+		// and also preload the file since the user has selected audio.
+		var ding = document.getElementById('ding');
+		if (ding && ding.canPlayType && ding.canPlayType('audio/ogg; codecs="opus"') === 'probably') {
+			ding.src = 'ding.opus';
+			ding.load();
+		}
+	} else {
+		$("#soundon").html("<a href=\"javascript:set_sound(true)\">On</a>");
+		$("#soundoff").html("<strong>Off</strong>");
+	}
+	if (supports_html5_storage()) {
+		localStorage['enable_sound'] = enable_sound ? 1 : 0;
+	}
+}
+window['set_sound'] = set_sound;
+
 var init = function() {
 	unique = get_unique();
 
+	// Load settings from HTML5 local storage if available.
+	if (supports_html5_storage() && localStorage['enable_sound']) {
+		set_sound(parseInt(localStorage['enable_sound']));
+	} else {
+		set_sound(false);
+	}
+	if (supports_html5_storage() && localStorage['sort_refutation_lines_by_score']) {
+		sort_refutation_lines_by_score = parseInt(localStorage['sort_refutation_lines_by_score']);
+	} else {
+		sort_refutation_lines_by_score = true;
+	}
+
 	// Create board.
 	board = new window.ChessBoard('board', 'start');