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// -- search
var searchIsOpen = false;
var searchField = document.getElementById("search-field");
var originalSearch = searchField.value;
function openSearch(event) {
searchIsOpen = true;
var blur = document.createElement("div");
blur.id = "blur";
blur.onclick = closeSearch;
document.body.insertBefore(blur, document.body.firstChild);
document.getElementById("search-header").style.visibility = "visible";
document.getElementById("path-header").style.visibility = "hidden";
searchField.value = window.getSelection().toString();
searchField.focus();
event.preventDefault();
return false;
}
function closeSearch(event) {
searchIsOpen = false;
var blur = document.getElementById("blur");
blur.parentNode.removeChild(blur);
searchField.blur();
document.getElementById("search-header").style.visibility = "hidden";
document.getElementById("path-header").style.visibility = "visible";
event.preventDefault();
return false;
}
var searchIsTogglable = document.getElementById("open-search") !== null;
if (document.getElementById("open-search") !== null) {
document.getElementById("open-search").title = "key shortcut: f";
document.getElementById("open-search").onclick = openSearch;
}
if (document.getElementById("cancel-search") !== null)
document.getElementById("cancel-search").onclick = closeSearch;
if (document.getElementById("submit-search") !== null) {
document.getElementById("submit-search").onclick = function (event) {
document.getElementById("search-form").submit();
event.preventDefault();
return false;
};
}
var filterText = "";
if (document.getElementById("search-filter") !== null) {
filterText = document.getElementById("search-filter").textContent;
if (filterText.slice(0, 2) == " [") {
filterText = filterText.slice(2, -1);
document.getElementById("search-filter").innerHTML = " [<a href='javascript:filter()'>" + filterText.replace(/&/g, "&").replace(/</g, "<") + "</a>]";
} else {
filterText = "";
document.getElementById("search-filter").innerHTML = " [<a href='javascript:filter()'>filter...</a>]";
}
}
function filter() {
var entered = prompt("search in paths matching regexp (empty to search all files):", filterText);
if (entered === null)
return;
if (entered === filterText)
return;
filterText = entered;
document.cookie = "filter=" + encodeURIComponent(filterText);
location.search = "?search=" + encodeURIComponent(originalSearch);
}
var maximumFocus = 1;
var searchResults = [];
window.addEventListener("load", function (event) {
searchResults = document.getElementsByClassName("search-result");
if (searchResults.length > 0) {
for (var i = 0; i < searchResults.length; ++i) {
if (searchResults[i].id == window.location.hash.slice(1))
searchResults[i].focus();
var n = parseInt(searchResults[i].id, 10);
if (n > maximumFocus)
maximumFocus = n;
}
}
});
window.addEventListener("keydown", function (event) {
if (event.shiftKey || event.ctrlKey || event.altKey || event.metaKey)
return true;
if (event.keyCode == 27 && searchIsTogglable && searchIsOpen)
return closeSearch(event);
else if (event.keyCode == 70 && searchIsTogglable && !searchIsOpen)
return openSearch(event);
else if (event.keyCode == 27 && !searchIsTogglable) {
searchField.blur();
searchField.value = originalSearch;
event.preventDefault();
return false;
} else if (event.keyCode == 70 && !searchIsTogglable && document.activeElement !== searchField) {
var selection = window.getSelection().toString();
if (selection !== "")
searchField.value = selection;
searchField.focus();
if (searchField.value !== "" && selection === "")
searchField.select();
event.preventDefault();
return false;
} else if ((event.keyCode == 74 || event.keyCode == 75) && searchResults.length > 0 && (!document.activeElement || document.activeElement.tagName.toLowerCase() !== "input")) {
var currentFocus = parseInt(document.activeElement.id, 10);
if (!(currentFocus == currentFocus)) {
var i = 0;
for (; i < searchResults.length; ++i) {
if (searchResults[i].getBoundingClientRect().top > 0)
break;
}
if (i < searchResults.length)
currentFocus = i;
else
currentFocus = 0;
}
if (event.keyCode == 74) {
currentFocus++;
if (currentFocus > maximumFocus)
currentFocus = 1;
} else if (event.keyCode == 75) {
currentFocus--;
if (currentFocus < 1)
currentFocus = maximumFocus;
}
document.getElementById(currentFocus).focus();
event.preventDefault();
return false;
}
});
window.addEventListener("pageshow", function (event) {
if (searchIsOpen)
closeSearch(event);
});
// -- line anchors
if (location.pathname[location.pathname.length - 1] !== "/") {
// assume this is a file page.
window.addEventListener("load", function (event) {
// give chrome time to jump to the anchor (https://crbug.com/1225177).
window.setTimeout(function () {
var numbers = document.getElementsByClassName("line-numbers")[0];
if (numbers) {
if (numbers.children[0].tagName === "FONT")
numbers = numbers.children[0];
var lines = numbers.innerHTML.split("\n");
for (var i = 0; i < lines.length; ++i) {
if (lines[i].match(/^\d+$/))
lines[i] = "<a href='?line=" + lines[i] + "#L" + lines[i] + "' rel='noindex'>" + lines[i] + "</a>";
}
numbers.innerHTML = lines.join("\n");
}
}, 0);
});
}
// -- progress bar
if (document.getElementById("progress-overlay") !== null) {
var needsReload = false;
// to prevent a sudden page transition, show the progress bar for at least a
// minimum amount of time.
var minimumProgressTimeout = window.setTimeout(function () {
if (needsReload)
location.reload();
minimumProgressTimeout = null;
}, 500);
// grab progress updates via xhr.
var interval = window.setInterval(function () {
var xhr = new XMLHttpRequest();
xhr.open("GET", location.href);
xhr.responseType = "document";
xhr.timeout = 200;
xhr.setRequestHeader("X-Dezip-Progress", "1");
xhr.onload = function (e) {
console.log(xhr);
if (xhr.readyState !== 4 || xhr.status !== 200 && xhr === null)
location.reload();
else if (xhr.responseXML.getElementById("progress-overlay") === null) {
window.clearInterval(interval);
var pathHeader = document.getElementById("path-header");
pathHeader.parentNode.replaceChild(xhr.responseXML.getElementById("path-header"), pathHeader);
if (minimumProgressTimeout !== null)
needsReload = true;
else
location.reload();
} else if (document.getElementById("progress-overlay") !== null) {
document.getElementById("progress-overlay").style.left =
xhr.responseXML.getElementById("progress-overlay").style.left;
}
};
xhr.send(null);
}, 200);
}
// -- mobile fixes
if (navigator.userAgent.match(/Mobi/i)) {
// this feels more natural on mobile platforms, but awkward on desktops.
searchField.onblur = closeSearch;
}
if (navigator.userAgent.match(/\bAppleWebKit\b/) &&
navigator.userAgent.match(/\bMobile\b/)) {
// the "touch-action: manipulation" css property disables double-tap-to-zoom
// in order to make the tap gesture recognizer recognize faster. but for
// some reason it only works if there's an onclick handler.
window.addEventListener("load", function (event) {
var links = document.getElementsByTagName("a");
for (var i = 0; i < links.length; ++i) {
if (links[i].onclick === null)
links[i].onclick = function () {};
}
});
}
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