return elem;
}
-function display_image(url, backend_width, backend_height, elem_id, offset, preload)
+function display_image(url, backend_width, backend_height, elem_id, offset)
{
// See if this image already exists in the DOM; if not, add it.
var img = document.getElementById(elem_id);
img = document.createElement("img");
img.id = elem_id;
img.alt = "";
- img.className = preload ? "fsbox" : "fsimg";
+ img.className = "fsimg";
}
img.style.position = "absolute";
img.style.transformOrigin = "top left";
if (offset === 0) {
img.src = url;
- position_image(img, backend_width, backend_height, offset, preload);
+ position_image(img, backend_width, backend_height, offset, false);
} else {
// This is a preload, so wait for the main image to be ready.
// The test for .complete is an old IE hack, which I don't know if is relevant anymore.
if (main_img === null || main_img.complete) {
img.src = url;
} else {
- main_img.addEventListener('load', function() { img.src = url; }, false);
+ main_img.addEventListener('load', function() { img.src = url; }, { 'once': true });
}
// Seemingly one needs to delay position_image(), or Firefox will set the initial
// scroll offset completely off.
img.style.display = 'none';
- setTimeout(function() { position_image(img, backend_width, backend_height, offset, preload); img.style.display = null; }, 1);
+ setTimeout(function() {
+ img.style.display = null; // Must be done before position_image(), for measurement.
+ position_image(img, backend_width, backend_height, offset, false);
+ }, 1);
+ }
+}
+
+function display_infobox(html, backend_width, backend_height, elem_id, offset)
+{
+ // See if this image already exists in the DOM; if not, add it.
+ var box = document.getElementById(elem_id);
+ if (box === null) {
+ box = document.createElement("div");
+ box.id = elem_id;
+ box.alt = "";
+ box.className = "fsbox";
+ }
+ box.style.position = "absolute";
+ box.style.transformOrigin = "top left";
+ box.innerHTML = html;
+ document.getElementById("main").appendChild(box);
+
+ if (offset === 0) {
+ position_image(box, backend_width, backend_height, offset, true);
+ } else {
+ // This is a preload.
+ // Seemingly one needs to delay position_image(), or Firefox will set the initial
+ // scroll offset completely off.
+ box.style.display = 'none';
+ setTimeout(function() {
+ box.style.display = null; // Must be done before position_image(), for measurement.
+ position_image(box, backend_width, backend_height, offset, true);
+ }, 1);
}
}
var url = window.location.origin + "/" + evt + "/" + backend_width + "x" + backend_height + "/" + filename;
var elem_id = num;
- display_image(url, adjusted_size[2], adjusted_size[3], elem_id, offset, false);
+ display_image(url, adjusted_size[2], adjusted_size[3], elem_id, offset);
if (global_infobox) {
- var url;
- var dpr = find_dpr();
var elem_id = num + "_box";
- if (dpr == 1) {
- url = window.location.origin + "/" + evt + "/" + backend_width + "x" + backend_height + "/box/" + filename;
- } else {
- url = window.location.origin + "/" + evt + "/" + backend_width + "x" + backend_height + "@" + dpr.toFixed(2) + "/box/" + filename;
- }
- display_image(url, adjusted_size[2], adjusted_size[3], elem_id, offset, true);
- document.getElementById(elem_id).style.transform += " scale(" + (1.0 / dpr) + ")";
+ display_infobox(global_image_list[num][4], adjusted_size[2], adjusted_size[3], elem_id, offset);
}
if (offset === 0) {
elem.style.opacity = amount;
}
-function position_image(img, backend_width, backend_height, offset, preload)
+function position_image(img, backend_width, backend_height, offset, box)
{
var screen_size = find_width();
var dpr = find_dpr();
var left = (screen_size[0] - width) / 2;
var top = (screen_size[1] - height) / 2;
- if (global_infobox) top -= dpr * (24/2);
+ if (global_infobox) {
+ top = Math.max(top - dpr * (24/2), 0);
+ }
// center the image on-screen
img.style.position = "absolute";
img.style.left = (left / dpr) + "px";
img.style.transform = "translate(" + extra_x_offset + "px,0px)";
- if (preload) {
- img.style.top = (top + height) / dpr + "px";
+ if (box) {
+ img.style.top = Math.min(top + height, screen_size[1] - 24 * dpr) / dpr + "px";
+ img.style.height = "24px";
+ img.style.width = null;
+ img.style.whiteSpace = 'nowrap';
+ // Hide the box if there's no room for all the text.
+ img.style.opacity = (img.clientWidth < width / dpr + 10) ? null : 0.0;
+ img.style.width = (width / dpr) + "px";
} else {
img.style.top = (top / dpr) + "px";
img.style.lineHeight = (height / dpr) + "px";
// inum !== global_image_num + 1) {
// to_remove.push(child);
//}
- if (inum !== global_image_num) {
+ if (inum !== global_image_num || (child.className === "fsbox" && !global_infobox)) {
to_remove.push(child);
}
}
text.style.font = "24px verdana, arial, sans-serif";
text.innerHTML = msg;
- var main = document.getElementById("main");
- main.appendChild(text);
+ document.getElementById("main").appendChild(text);
- text.style.left = (main.clientWidth - text.clientWidth) / 2 + "px";
- text.style.top = (main.clientHeight - text.clientHeight) / 2 + "px";
+ var screen_size = find_width();
+ text.style.left = (screen_size[0] - text.clientWidth) / 2 + "px";
+ text.style.top = (screen_size[1] - text.clientHeight) / 2 + "px";
}
function fade_text(opacity)
}
var req = new XMLHttpRequest();
- req.open("POST", window.location.origin + "/select", false);
+ req.open("POST", window.location.origin + "/select", true);
req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
req.send("event=" + evt + "&filename=" + filename + "&selected=" + selected);
}
window['toggle_immersive'] = toggle_immersive;
+var swiping = false;
+var swipe_start_x = 0;
+
+function set_swipe_pos(x, transition)
+{
+ x = Math.max(x, -window.innerWidth);
+ x = Math.min(x, window.innerWidth);
+ if (!can_go_previous()) {
+ x = Math.min(x, window.innerWidth / 8);
+ }
+ if (!can_go_next()) {
+ x = Math.max(x, -window.innerWidth / 8);
+ }
+
+ var dpr = find_dpr();
+ var main = document.getElementById("main");
+ var children = main.children;
+ var to_remove = [];
+ for (var i = 0; i < children.length; i++) {
+ var child = children[i];
+ if (child.className === "fsimg") {
+ var inum = parseInt(child.id);
+ var offset = inum - global_image_num;
+ child.style.transition = transition;
+ child.style.transform = "translate(" + (x + find_width()[0] * offset / dpr) + "px,0px)";
+ } else if (child.className === "fsbox") {
+ var inum = parseInt(child.id.replace("_box", ""));
+ var offset = inum - global_image_num;
+ child.style.transition = transition;
+ child.style.transform = "translate(" + (x + find_width()[0] * offset / dpr) + "px,0px)";
+ }
+ }
+}
+
+function start_swipe(e)
+{
+ swiping = true;
+ swipe_start_x = e.changedTouches[0].pageX;
+}
+
+function end_swipe(e)
+{
+ if (swiping) {
+ var new_x = (e.changedTouches[0].pageX - swipe_start_x);
+ if (new_x < -window.innerWidth / 4 && can_go_next()) {
+ set_swipe_pos(-window.innerWidth, "transform 0.1s ease-out");
+ setTimeout(function() { go_next(); }, 100);
+ } else if (new_x > window.innerWidth / 4 && can_go_previous()) {
+ set_swipe_pos(window.innerWidth, "transform 0.1s ease-out");
+ setTimeout(function() { go_previous(); }, 100);
+ } else {
+ set_swipe_pos(0, "transform 0.1s ease-out");
+ }
+ swiping = false;
+ }
+}
+
+function swipe(e)
+{
+ if (swiping) {
+ var new_x = (e.changedTouches[0].pageX - swipe_start_x);
+ set_swipe_pos(new_x, null);
+ }
+}
+
window.onload = function() {
relayout();
setInterval(check_for_hash_change, 1000);
+ document.addEventListener('touchstart', start_swipe, false);
+ document.addEventListener('touchend', end_swipe, false);
+ document.addEventListener('touchmove', swipe, false)
+
var body = document.body;
body.onresize = function() { relayout(); };
body.onkeydown = function(evt) { key_down(evt.keyCode); };
projects / pr0n / blobdiff