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468 lines
17 KiB
JavaScript
468 lines
17 KiB
JavaScript
//
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// users.js
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// examples
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//
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// Created by David Rowe on 9 Mar 2015.
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// Copyright 2015 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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var usersWindow = (function () {
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var WINDOW_WIDTH_2D = 150,
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WINDOW_MARGIN_2D = 12,
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WINDOW_FONT_2D = { size: 12 },
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WINDOW_FOREGROUND_COLOR_2D = { red: 240, green: 240, blue: 240 },
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WINDOW_FOREGROUND_ALPHA_2D = 0.9,
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WINDOW_HEADING_COLOR_2D = { red: 180, green: 180, blue: 180 },
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WINDOW_HEADING_ALPHA_2D = 0.9,
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WINDOW_BACKGROUND_COLOR_2D = { red: 80, green: 80, blue: 80 },
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WINDOW_BACKGROUND_ALPHA_2D = 0.7,
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windowPane2D,
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windowHeading2D,
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VISIBILITY_SPACER_2D = 12, // Space between list of users and visibility controls
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visibilityHeading2D,
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VISIBILITY_RADIO_SPACE = 16,
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visibilityControls2D,
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windowHeight,
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windowTextHeight,
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windowLineSpacing,
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windowLineHeight, // = windowTextHeight + windowLineSpacing
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usersOnline, // Raw users data
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linesOfUsers = [], // Array of indexes pointing into usersOnline
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API_URL = "https://metaverse.highfidelity.io/api/v1/users?status=online",
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HTTP_GET_TIMEOUT = 60000, // ms = 1 minute
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usersRequest,
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processUsers,
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pollUsersTimedOut,
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usersTimer = null,
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USERS_UPDATE_TIMEOUT = 5000, // ms = 5s
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myVisibility,
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VISIBILITY_VALUES = ["all", "friends", "none"],
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visibilityInterval,
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VISIBILITY_POLL_INTERVAL = 5000, // ms = 5s
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MENU_NAME = "Tools",
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MENU_ITEM = "Users Online",
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MENU_ITEM_AFTER = "Chat...",
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isVisible = true,
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viewportHeight,
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HIFI_PUBLIC_BUCKET = "http://s3.amazonaws.com/hifi-public/",
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RADIO_BUTTON_SVG = HIFI_PUBLIC_BUCKET + "images/radio-button.svg",
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RADIO_BUTTON_SVG_DIAMETER = 14,
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RADIO_BUTTON_DISPLAY_SCALE = 0.7, // 1.0 = windowTextHeight
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radioButtonDiameter;
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function calculateWindowHeight() {
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// Reserve 5 lines for window heading plus visibility heading and controls
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// Subtract windowLineSpacing for both end of user list and end of controls
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windowHeight = (linesOfUsers.length > 0 ? linesOfUsers.length + 5 : 5) * windowLineHeight
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- 2 * windowLineSpacing + VISIBILITY_SPACER_2D + 2 * WINDOW_MARGIN_2D;
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}
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function updateOverlayPositions() {
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var i,
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y;
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Overlays.editOverlay(windowPane2D, {
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y: viewportHeight - windowHeight
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});
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Overlays.editOverlay(windowHeading2D, {
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y: viewportHeight - windowHeight + WINDOW_MARGIN_2D
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});
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Overlays.editOverlay(visibilityHeading2D, {
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y: viewportHeight - 4 * windowLineHeight + windowLineSpacing - WINDOW_MARGIN_2D
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});
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for (i = 0; i < visibilityControls2D.length; i += 1) {
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y = viewportHeight - (3 - i) * windowLineHeight + windowLineSpacing - WINDOW_MARGIN_2D;
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Overlays.editOverlay(visibilityControls2D[i].radioOverlay, { y: y });
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Overlays.editOverlay(visibilityControls2D[i].textOverlay, { y: y });
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}
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}
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function updateVisibilityControls() {
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var i,
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color;
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for (i = 0; i < visibilityControls2D.length; i += 1) {
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color = visibilityControls2D[i].selected ? WINDOW_FOREGROUND_COLOR_2D : WINDOW_HEADING_COLOR_2D;
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Overlays.editOverlay(visibilityControls2D[i].radioOverlay, {
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color: color,
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subImage: { y: visibilityControls2D[i].selected ? 0 : RADIO_BUTTON_SVG_DIAMETER }
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});
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Overlays.editOverlay(visibilityControls2D[i].textOverlay, { color: color });
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}
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}
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function updateUsersDisplay() {
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var displayText = "",
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myUsername,
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user,
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userText,
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textWidth,
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maxTextWidth,
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i;
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myUsername = GlobalServices.username;
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linesOfUsers = [];
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for (i = 0; i < usersOnline.length; i += 1) {
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user = usersOnline[i];
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if (user.username !== myUsername && user.online) {
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userText = user.username;
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if (user.location.root) {
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userText += " @ " + user.location.root.name;
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}
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textWidth = Overlays.textSize(windowPane2D, userText).width;
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maxTextWidth = WINDOW_WIDTH_2D - 2 * WINDOW_MARGIN_2D;
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if (textWidth > maxTextWidth) {
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// Trim and append "..." to fit window width
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maxTextWidth = maxTextWidth - Overlays.textSize(windowPane2D, "...").width;
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while (textWidth > maxTextWidth) {
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userText = userText.slice(0, -1);
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textWidth = Overlays.textSize(windowPane2D, userText).width;
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}
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userText += "...";
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textWidth = Overlays.textSize(windowPane2D, userText).width;
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}
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usersOnline[i].textWidth = textWidth;
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linesOfUsers.push(i);
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displayText += "\n" + userText;
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}
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}
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displayText = displayText.slice(1); // Remove leading "\n".
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calculateWindowHeight();
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Overlays.editOverlay(windowPane2D, {
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y: viewportHeight - windowHeight,
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height: windowHeight,
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text: displayText
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});
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Overlays.editOverlay(windowHeading2D, {
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y: viewportHeight - windowHeight + WINDOW_MARGIN_2D,
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text: linesOfUsers.length > 0 ? "Users online" : "No users online"
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});
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updateOverlayPositions();
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}
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function pollUsers() {
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usersRequest = new XMLHttpRequest();
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usersRequest.open("GET", API_URL, true);
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usersRequest.timeout = HTTP_GET_TIMEOUT;
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usersRequest.ontimeout = pollUsersTimedOut;
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usersRequest.onreadystatechange = processUsers;
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usersRequest.send();
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}
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processUsers = function () {
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var response;
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if (usersRequest.readyState === usersRequest.DONE) {
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if (usersRequest.status === 200) {
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response = JSON.parse(usersRequest.responseText);
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if (response.status !== "success") {
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print("Error: Request for users status returned status = " + response.status);
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usersTimer = Script.setTimeout(pollUsers, HTTP_GET_TIMEOUT); // Try again after a longer delay.
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return;
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}
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if (!response.hasOwnProperty("data") || !response.data.hasOwnProperty("users")) {
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print("Error: Request for users status returned invalid data");
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usersTimer = Script.setTimeout(pollUsers, HTTP_GET_TIMEOUT); // Try again after a longer delay.
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return;
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}
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usersOnline = response.data.users;
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updateUsersDisplay();
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} else {
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print("Error: Request for users status returned " + usersRequest.status + " " + usersRequest.statusText);
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usersTimer = Script.setTimeout(pollUsers, HTTP_GET_TIMEOUT); // Try again after a longer delay.
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return;
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}
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usersTimer = Script.setTimeout(pollUsers, USERS_UPDATE_TIMEOUT); // Update after finished processing.
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}
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};
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pollUsersTimedOut = function () {
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print("Error: Request for users status timed out");
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usersTimer = Script.setTimeout(pollUsers, HTTP_GET_TIMEOUT); // Try again after a longer delay.
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};
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function pollVisibility() {
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var currentVisibility = myVisibility;
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myVisibility = GlobalServices.findableBy;
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if (myVisibility !== currentVisibility) {
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updateVisibilityControls();
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}
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}
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function setVisible(visible) {
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var i;
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isVisible = visible;
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if (isVisible) {
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if (usersTimer === null) {
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pollUsers();
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}
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} else {
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Script.clearTimeout(usersTimer);
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usersTimer = null;
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}
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Overlays.editOverlay(windowPane2D, { visible: isVisible });
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Overlays.editOverlay(windowHeading2D, { visible: isVisible });
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Overlays.editOverlay(visibilityHeading2D, { visible: isVisible });
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for (i = 0; i < visibilityControls2D.length; i += 1) {
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Overlays.editOverlay(visibilityControls2D[i].radioOverlay, { visible: isVisible });
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Overlays.editOverlay(visibilityControls2D[i].textOverlay, { visible: isVisible });
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}
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}
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function onMenuItemEvent(event) {
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if (event === MENU_ITEM) {
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setVisible(Menu.isOptionChecked(MENU_ITEM));
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}
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}
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function onMousePressEvent(event) {
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var clickedOverlay,
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numLinesBefore,
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overlayX,
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overlayY,
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minY,
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maxY,
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lineClicked,
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i,
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visibilityChanged;
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if (!isVisible) {
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return;
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}
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clickedOverlay = Overlays.getOverlayAtPoint({ x: event.x, y: event.y });
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if (clickedOverlay === windowPane2D) {
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overlayX = event.x - WINDOW_MARGIN_2D;
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overlayY = event.y - viewportHeight + windowHeight - WINDOW_MARGIN_2D - windowLineHeight;
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numLinesBefore = Math.floor(overlayY / windowLineHeight);
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minY = numLinesBefore * windowLineHeight;
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maxY = minY + windowTextHeight;
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lineClicked = -1;
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if (minY <= overlayY && overlayY <= maxY) {
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lineClicked = numLinesBefore;
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}
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if (0 <= lineClicked && lineClicked < linesOfUsers.length
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&& 0 <= overlayX && overlayX <= usersOnline[linesOfUsers[lineClicked]].textWidth) {
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//print("Go to " + usersOnline[linesOfUsers[lineClicked]].username);
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location.goToUser(usersOnline[linesOfUsers[lineClicked]].username);
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}
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}
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visibilityChanged = false;
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for (i = 0; i < visibilityControls2D.length; i += 1) {
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// Don't need to test radioOverlay if it us under textOverlay.
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if (clickedOverlay === visibilityControls2D[i].textOverlay && event.x <= visibilityControls2D[i].optionWidth) {
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GlobalServices.findableBy = VISIBILITY_VALUES[i];
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visibilityChanged = true;
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}
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}
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if (visibilityChanged) {
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for (i = 0; i < visibilityControls2D.length; i += 1) {
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// Don't need to handle radioOverlay if it us under textOverlay.
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visibilityControls2D[i].selected = clickedOverlay === visibilityControls2D[i].textOverlay;
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}
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updateVisibilityControls();
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}
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}
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function onScriptUpdate() {
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var oldViewportHeight = viewportHeight;
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viewportHeight = Controller.getViewportDimensions().y;
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if (viewportHeight !== oldViewportHeight) {
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updateOverlayPositions();
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}
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}
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function setUp() {
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var textSizeOverlay,
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optionText;
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textSizeOverlay = Overlays.addOverlay("text", { font: WINDOW_FONT_2D, visible: false });
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windowTextHeight = Math.floor(Overlays.textSize(textSizeOverlay, "1").height);
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windowLineSpacing = Math.floor(Overlays.textSize(textSizeOverlay, "1\n2").height - 2 * windowTextHeight);
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windowLineHeight = windowTextHeight + windowLineSpacing;
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radioButtonDiameter = RADIO_BUTTON_DISPLAY_SCALE * windowTextHeight;
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Overlays.deleteOverlay(textSizeOverlay);
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calculateWindowHeight();
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viewportHeight = Controller.getViewportDimensions().y;
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windowPane2D = Overlays.addOverlay("text", {
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x: 0,
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y: viewportHeight, // Start up off-screen
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width: WINDOW_WIDTH_2D,
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height: windowHeight,
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topMargin: WINDOW_MARGIN_2D + windowLineHeight,
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leftMargin: WINDOW_MARGIN_2D,
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color: WINDOW_FOREGROUND_COLOR_2D,
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alpha: WINDOW_FOREGROUND_ALPHA_2D,
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backgroundColor: WINDOW_BACKGROUND_COLOR_2D,
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backgroundAlpha: WINDOW_BACKGROUND_ALPHA_2D,
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text: "",
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font: WINDOW_FONT_2D,
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visible: isVisible
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});
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windowHeading2D = Overlays.addOverlay("text", {
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x: WINDOW_MARGIN_2D,
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y: viewportHeight,
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width: WINDOW_WIDTH_2D - 2 * WINDOW_MARGIN_2D,
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height: windowTextHeight,
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topMargin: 0,
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leftMargin: 0,
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color: WINDOW_HEADING_COLOR_2D,
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alpha: WINDOW_HEADING_ALPHA_2D,
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backgroundAlpha: 0.0,
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text: "No users online",
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font: WINDOW_FONT_2D,
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visible: isVisible
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});
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visibilityHeading2D = Overlays.addOverlay("text", {
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x: WINDOW_MARGIN_2D,
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y: viewportHeight,
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width: WINDOW_WIDTH_2D - 2 * WINDOW_MARGIN_2D,
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height: windowTextHeight,
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topMargin: 0,
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leftMargin: 0,
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color: WINDOW_HEADING_COLOR_2D,
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alpha: WINDOW_HEADING_ALPHA_2D,
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backgroundAlpha: 0.0,
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text: "I am visible to:",
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font: WINDOW_FONT_2D,
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visible: isVisible
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});
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myVisibility = GlobalServices.findableBy;
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if (!/^(all|friends|none)$/.test(myVisibility)) {
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print("Error: Unrecognized findableBy value");
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myVisibility = "";
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}
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optionText = "everyone";
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visibilityControls2D = [{
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radioOverlay: Overlays.addOverlay("image", { // Create first so that it is under textOverlay.
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x: WINDOW_MARGIN_2D,
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y: viewportHeight,
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width: radioButtonDiameter,
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height: radioButtonDiameter,
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imageURL: RADIO_BUTTON_SVG,
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subImage: {
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x: 0,
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y: RADIO_BUTTON_SVG_DIAMETER, // Off
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width: RADIO_BUTTON_SVG_DIAMETER,
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height: RADIO_BUTTON_SVG_DIAMETER
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},
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color: WINDOW_HEADING_COLOR_2D,
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alpha: WINDOW_FOREGROUND_ALPHA_2D
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}),
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textOverlay: Overlays.addOverlay("text", {
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x: WINDOW_MARGIN_2D,
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y: viewportHeight,
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width: WINDOW_WIDTH_2D - 2 * WINDOW_MARGIN_2D,
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height: windowTextHeight,
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topMargin: 0,
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leftMargin: VISIBILITY_RADIO_SPACE,
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color: WINDOW_HEADING_COLOR_2D,
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alpha: WINDOW_FOREGROUND_ALPHA_2D,
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backgroundAlpha: 0.0,
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text: optionText,
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font: WINDOW_FONT_2D,
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visible: isVisible
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}),
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selected: myVisibility === VISIBILITY_VALUES[0]
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}];
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visibilityControls2D[0].optionWidth = WINDOW_MARGIN_2D + VISIBILITY_RADIO_SPACE
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+ Overlays.textSize(visibilityControls2D[0].textOverlay, optionText).width;
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optionText = "my friends";
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visibilityControls2D[1] = {
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radioOverlay: Overlays.cloneOverlay(visibilityControls2D[0].radioOverlay),
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textOverlay: Overlays.cloneOverlay(visibilityControls2D[0].textOverlay),
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selected: myVisibility === VISIBILITY_VALUES[1]
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};
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Overlays.editOverlay(visibilityControls2D[1].textOverlay, { text: optionText });
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visibilityControls2D[1].optionWidth = WINDOW_MARGIN_2D + VISIBILITY_RADIO_SPACE
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+ Overlays.textSize(visibilityControls2D[1].textOverlay, optionText).width;
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optionText = "no one";
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visibilityControls2D[2] = {
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radioOverlay: Overlays.cloneOverlay(visibilityControls2D[0].radioOverlay),
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textOverlay: Overlays.cloneOverlay(visibilityControls2D[0].textOverlay),
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selected: myVisibility === VISIBILITY_VALUES[2]
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};
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Overlays.editOverlay(visibilityControls2D[2].textOverlay, { text: optionText });
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visibilityControls2D[2].optionWidth = WINDOW_MARGIN_2D + VISIBILITY_RADIO_SPACE
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+ Overlays.textSize(visibilityControls2D[2].textOverlay, optionText).width;
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updateVisibilityControls();
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Controller.mousePressEvent.connect(onMousePressEvent);
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Menu.addMenuItem({
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menuName: MENU_NAME,
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menuItemName: MENU_ITEM,
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afterItem: MENU_ITEM_AFTER,
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isCheckable: true,
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isChecked: isVisible
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});
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Menu.menuItemEvent.connect(onMenuItemEvent);
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Script.update.connect(onScriptUpdate);
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visibilityInterval = Script.setInterval(pollVisibility, VISIBILITY_POLL_INTERVAL);
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pollUsers();
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}
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function tearDown() {
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var i;
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Menu.removeMenuItem(MENU_NAME, MENU_ITEM);
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Script.clearInterval(visibilityInterval);
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Script.clearTimeout(usersTimer);
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Overlays.deleteOverlay(windowPane2D);
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Overlays.deleteOverlay(windowHeading2D);
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Overlays.deleteOverlay(visibilityHeading2D);
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for (i = 0; i <= visibilityControls2D.length; i += 1) {
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Overlays.deleteOverlay(visibilityControls2D[i].textOverlay);
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Overlays.deleteOverlay(visibilityControls2D[i].radioOverlay);
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}
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}
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setUp();
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Script.scriptEnding.connect(tearDown);
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}());
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