-var req;
+(function() {
-function init_ajax()
-{
- req = new XMLHttpRequest();
-}
+var global_disabled_opacity = 0.1;
+var global_default_opacity = 0.7;
+var global_highlight_opacity = 1.0;
+var global_infobox = true;
function find_width()
{
* pick_image_size, below.
*/
var fixed_sizes = [
+ [ 3840, 2880 ],
+ [ 3200, 2400 ],
+ [ 2800, 2100 ],
[ 2304, 1728 ],
[ 2048, 1536 ],
[ 1920, 1440 ],
return [ 80, 64 ];
}
-function replace_image_element(url, element_id, parent_node)
-{
- var img = document.getElementById(element_id);
- if (img !== null) {
- if (img.src === url) {
- return img;
- }
- img.parentNode.removeChild(img);
- }
-
- img = document.createElement("img");
- img.id = element_id;
- img.alt = "";
- img.src = url;
- parent_node.appendChild(img);
- return img;
-}
-
function rename_element(old_name, new_name)
{
// Remove any element that's in the way.
return elem;
}
-function display_image(width, height, evt, filename, element_id)
+function display_image(url, backend_width, backend_height, elem_id, offset, preload)
{
- var url = window.location.origin + "/" + evt + "/" + width + "x" + height + "/" + filename;
- var main = document.getElementById("iehack");
- var preload = document.getElementById("preload");
- var dpr = find_dpr();
- var img;
- // See if we have a preload going on that we can reuse.
- if (element_id == "image" && preload !== null && preload.src == url) {
- rename_element("preload_box", "image_box");
- img = rename_element("preload", "image");
- } else {
- img = replace_image_element(url, element_id, main);
+ // See if this image already exists in the DOM; if not, add it.
+ var img = document.getElementById(elem_id);
+ if (img === null) {
+ img = document.createElement("img");
+ img.id = elem_id;
+ img.alt = "";
+ img.className = preload ? "fsbox" : "fsimg";
}
img.style.position = "absolute";
- img.style.left = "0px";
- img.style.top = "0px";
img.style.transformOrigin = "top left";
- img.style.transform = "scale(" + (1.0 / dpr) + ")";
-
- // Update the "download original" link.
- var original_url = window.location.origin + "/" + evt + "/original/" + filename;
- document.getElementById("origdownload").href = original_url;
+ document.getElementById("main").appendChild(img);
- if (global_infobox) {
- var url;
- if (dpr == 1) {
- url = window.location.origin + "/" + evt + "/" + width + "x" + height + "/box/" + filename;
+ if (offset === 0) {
+ img.src = url;
+ position_image(img, backend_width, backend_height, offset, preload);
+ } 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.
+ var main_img = document.getElementById(global_image_num);
+ if (main_img === null || main_img.complete) {
+ img.src = url;
} else {
- url = window.location.origin + "/" + evt + "/" + width + "x" + height + "@" + dpr.toFixed(2) + "/box/" + filename;
+ main_img.addEventListener('load', function() { img.src = url; }, false);
}
- var boximg = replace_image_element(url, element_id + "_box", main);
- boximg.style.position = "absolute";
- boximg.style.left = "0px";
- boximg.style.bottom = "-1px";
- boximg.style.transformOrigin = "bottom left";
- boximg.style.transform = "scale(" + (1.0 / dpr) + ")";
- } else {
- var boximg = document.getElementById(element_id + "_box");
- if (boximg !== null) {
- boximg.parentNode.removeChild(boximg);
- }
+ // 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);
}
-
- return img;
}
-function display_image_num(num, element_id)
+function display_image_num(num, offset)
{
var screen_size = find_width();
var adjusted_size;
adjusted_size = pick_image_size(screen_size, [ global_image_list[num][2], global_image_list[num][3] ]);
}
- var img = display_image(adjusted_size[0], adjusted_size[1], global_image_list[num][0], global_image_list[num][1], element_id);
-
- if (element_id == "image") {
- // we want to shrink the box as much as possible if we know the true
- // size of the image
- center_image(num);
-
- // replace the anchor part (if any) with the image number
- window.location.hash = "#" + (num+1);
- }
+ var evt = global_image_list[num][0];
+ var filename = global_image_list[num][1];
+ var backend_width = adjusted_size[0];
+ var backend_height = adjusted_size[1];
+ var url = window.location.origin + "/" + evt + "/" + backend_width + "x" + backend_height + "/" + filename;
+ var elem_id = num;
- return img;
-}
+ display_image(url, adjusted_size[2], adjusted_size[3], elem_id, offset, false);
-function prepare_preload(img, num)
-{
- // cancel any pending preload
- var preload = document.getElementById("preload");
- if (preload !== null) {
- preload.parentNode.removeChild(preload);
- }
-
- var preload_box = document.getElementById("preload_box");
- if (preload_box !== null) {
- preload_box.parentNode.removeChild(preload_box);
+ 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) + ")";
}
- // grmf -- IE doesn't fire onload if the image was loaded from cache, so check for
- // completeness first; should at least be _somewhat_ better
- if (img.complete) {
- display_image_num(num, "preload");
- } else {
- img.onload = function() { display_image_num(num, "preload"); };
- }
+ if (offset === 0) {
+ // Update the "download original" link.
+ var original_url = window.location.origin + "/" + evt + "/original/" + filename;
+ document.getElementById("origdownload").href = original_url;
+
+ // If it's a raw image, show a JPEG link.
+ var fulldownload = document.getElementById("fulldownload");
+ if (filename.match(/\.(nef|cr2)$/i)) {
+ fulldownload.style.display = "block";
+ var full_url = window.location.origin + "/" + evt + "/" + filename;
+ document.getElementById("fulldownloadlink").href = full_url;
+ origdownload.innerHTML = "Download original image (RAW)";
+ } else {
+ fulldownload.style.display = "none";
+ origdownload.innerHTML = "Download original image";
+ }
+
+ // replace the anchor part (if any) with the image number
+ window.location.hash = "#" + (num+1);
+ }
}
function can_go_next()
elem.style.opacity = amount;
}
-function center_image(num)
+function position_image(img, backend_width, backend_height, offset, preload)
{
var screen_size = find_width();
var dpr = find_dpr();
var width, height;
-
- if (global_image_list[num][2] == -1) {
+
+ if (backend_width == -1) {
// no size information, use our pessimal guess
var adjusted_size = max_image_size(screen_size);
width = adjusted_size[0];
height = adjusted_size[1];
} else {
// use the exact information
- var adjusted_size = pick_image_size(screen_size, [ global_image_list[num][2], global_image_list[num][3] ]);
+ var adjusted_size = pick_image_size(screen_size, [ backend_width, backend_height ]);
width = adjusted_size[2];
height = adjusted_size[3];
}
+ var extra_x_offset = find_width()[0] * offset;
+ var left = (screen_size[0] - width) / 2;
+ var top = (screen_size[1] - height) / 2;
+
+ if (global_infobox) top -= dpr * (24/2);
+
// center the image on-screen
- var main = document.getElementById("main");
- main.style.position = "absolute";
- main.style.left = (((screen_size[0] - width) / 2) / dpr) + "px";
- main.style.top = (((screen_size[1] - height) / 2) / dpr) + "px";
- main.style.width = (width / dpr) + "px";
- main.style.height = (height / dpr) + "px";
- main.style.lineHeight = (height / dpr) + "px";
+ 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";
+ } else {
+ img.style.top = (top / dpr) + "px";
+ img.style.lineHeight = (height / dpr) + "px";
+ img.style.width = (width / dpr) + "px";
+ img.style.height = (height / dpr) + "px";
+ }
}
-function relayout()
+function update_shown_images()
{
- var img = display_image_num(global_image_num, "image");
+ // Go through and remove all the elements that are not supposed to be there.
+ var main = document.getElementById("main");
+ var children = main.children;
+ var to_remove = [];
+ for (var i = 0; i < children.length; i++) {
+ var child = children[i];
+ var inum = null;
+ if (child.className === "fsimg") {
+ inum = parseInt(child.id);
+ } else if (child.className === "fsbox") {
+ inum = parseInt(child.id.replace("_box", ""));
+ } else {
+ continue;
+ }
+
+ // FIXME: For whatever reason, if we don't actually remove an item
+ // and then scroll it out of view, Chrome scrolls to it.
+ // So don't keep anything that's going to be a preload;
+ // we'll have to recreate the element entirely.
+ //if (inum !== global_image_num - 1 &&
+ // inum !== global_image_num &&
+ // inum !== global_image_num + 1) {
+ // to_remove.push(child);
+ //}
+ if (inum !== global_image_num) {
+ to_remove.push(child);
+ }
+ }
+ for (let child of to_remove) {
+ child.parentNode.removeChild(child);
+ }
+
+ // Add any missing elements. Note that we add the main one first,
+ // so that the preloads have an element to fire onload off of.
+ display_image_num(global_image_num, 0);
+ if (can_go_previous()) {
+ display_image_num(global_image_num - 1, -1);
+ }
if (can_go_next()) {
- prepare_preload(img, global_image_num + 1);
+ display_image_num(global_image_num + 1, 1);
}
+}
+
+function relayout()
+{
+ update_shown_images();
set_opacity("previous", can_go_previous() ? global_default_opacity : global_disabled_opacity);
set_opacity("next", can_go_next() ? global_default_opacity : global_disabled_opacity);
return;
}
- var img = display_image_num(--global_image_num, "image");
+ --global_image_num;
+ update_shown_images();
if (can_go_previous()) {
set_opacity("previous", global_default_opacity);
- prepare_preload(img, global_image_num - 1);
} else {
set_opacity("previous", global_disabled_opacity);
}
return;
}
- var img = display_image_num(++global_image_num, "image");
+ ++global_image_num;
+ update_shown_images();
if (can_go_next()) {
set_opacity("next", global_default_opacity);
- prepare_preload(img, global_image_num + 1);
} else {
set_opacity("next", global_disabled_opacity);
}
set_opacity("options", 0.7);
}
}
+window['toggle_optionmenu'] = toggle_optionmenu;
function draw_text(msg)
{
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)
if (opacity < 0.0) {
opacity = 0.0;
}
- setTimeout("fade_text(" + opacity + ")", 30);
+ setTimeout(function() { fade_text(opacity); }, 30);
} else {
var text = document.getElementById("text");
if (text !== null) {
function select_image(evt, filename, selected)
{
- if (!req) {
- return;
- }
-
if (selected) {
draw_text("Selecting " + filename + "...");
} else {
draw_text("Unselecting " + filename + "...");
}
- req.open("POST", window.location.origin + "/select", false);
+ var req = new XMLHttpRequest();
+ 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);
- setTimeout("fade_text(0.99)", 30);
+ setTimeout(function() { fade_text(0.99); }, 30);
}
function key_down(which)
return default_value;
}
}
+window['parse_image_num'] = parse_image_num;
function check_for_hash_change() {
var num = parse_image_num(-1);
}
relayout();
}
+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) scale(" + (1.0 / dpr) + ")";
+ }
+ }
+}
+
+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); };
+ body.onkeyup = function(evt) { key_up(evt.keyCode); };
+ body.onhashchange = function() { check_for_hash_change(); };
+ body.onclick = function() { check_for_hash_change(); };
+
+ var previous = document.getElementById('previous');
+ previous.onmousedown = function() { if (can_go_previous()) { set_opacity('previous', global_highlight_opacity); } };
+ previous.onmouseup = function() { if (can_go_previous()) { set_opacity('previous', global_default_opacity); go_previous(); } };
+ previous.onmouseout = function() { if (can_go_previous()) { set_opacity('previous', global_default_opacity); } };
+
+ var next = document.getElementById('next');
+ next.onmousedown = function() { if (can_go_next()) { set_opacity('next', global_highlight_opacity); } };
+ next.onmouseup = function() { if (can_go_next()) { set_opacity('next', global_default_opacity); go_next(); } };
+ next.onmouseout = function() { if (can_go_next()) { set_opacity('next', global_default_opacity); } };
+
+ var close = document.getElementById('close');
+ close.onmousedown = function() { set_opacity('close', global_highlight_opacity); };
+ close.onmouseup = function() { set_opacity('close', global_default_opacity); do_close(); };
+ close.onmouseout = function() { set_opacity('close', global_default_opacity); };
+
+ var options = document.getElementById('options');
+ options.onmousedown = function() { set_opacity('options', global_highlight_opacity); };
+ options.onmouseup = function() { set_opacity('options', global_default_opacity); toggle_optionmenu(); };
+ options.onmouseout = function() { set_opacity('options', global_default_opacity); };
+};
+
+})();
projects / pr0n / blobdiff