X-Git-Url: https://git.sesse.net/?p=pr0n;a=blobdiff_plain;f=files%2Fpr0n-fullscreen.js;h=14b080d5d830766750c0c9ac69b14dba4f11beff;hp=a3573c793f66dad1d3cffba691c26f427bd2b9e0;hb=d5e6fc31302614c7744077f10d49ed0347921a40;hpb=476cbae8fb86131c157aa10a71dfe0e70db64cf7
diff --git a/files/pr0n-fullscreen.js b/files/pr0n-fullscreen.js
index a3573c7..14b080d 100644
--- a/files/pr0n-fullscreen.js
+++ b/files/pr0n-fullscreen.js
@@ -1,284 +1,374 @@
-var req;
+(function() {
-function init_ajax()
+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()
{
- req = false;
-
- if (window.XMLHttpRequest) {
- // Mozilla/Safari
- try {
- req = new XMLHttpRequest();
- } catch(e) {
- req = false;
- }
- } else if (window.ActiveXObject) {
- // IE/Windows
- try {
- req = new ActiveXObject("Msxml2.XMLHTTP");
- } catch(e) {
- try {
- req = new ActiveXObject("Microsoft.XMLHTTP");
- } catch(e) {
- req = false;
- }
- }
- }
+ var dpr = find_dpr();
+ return [window.innerWidth * dpr, window.innerHeight * dpr];
}
-function find_width()
+function find_dpr()
{
- if (typeof(window.innerWidth) == 'number') {
- // non-IE
- return [window.innerWidth, window.innerHeight];
- } else if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
- // IE 6+ in 'standards compliant mode'
- return [document.documentElement.clientWidth, document.documentElement.clientHeight];
- } else if (document.body && (document.body.clientWidth || document.body.clientHeight)) {
- // IE 4-compatible
- return [document.body.clientWidth, document.body.clientHeight];
- }
- return [null,null];
+ return window.devicePixelRatio || 1;
}
/*
* pr0n can resize to any size we'd like, but we're much more likely
* to have this set of fixed-resolution screens cached, so to increase
- * performance, we round down to the closest fit and use that.
+ * performance, we round down to the closest fit and use that. This
+ * function is a pessimal estimate of what thumbnail size we can _always_
+ * fit on the screen -- it's right if and only if all images are 4:3
+ * (and landscape). If individual size information is available, use
+ * pick_image_size, below.
*/
-function reduce_to_fixed_width(size)
+var fixed_sizes = [
+ [ 3840, 2880 ],
+ [ 3200, 2400 ],
+ [ 2800, 2100 ],
+ [ 2304, 1728 ],
+ [ 2048, 1536 ],
+ [ 1920, 1440 ],
+ [ 1600, 1200 ],
+ [ 1400, 1050 ],
+ [ 1280, 960 ],
+ [ 1152, 864 ],
+ [ 1024, 768 ],
+ [ 800, 600 ],
+ [ 640, 480 ],
+ [ 512, 384 ],
+ [ 320, 256 ],
+ [ 240, 192 ],
+ [ 120, 96 ],
+ [ 80, 64 ]
+];
+function max_image_size(screen_size)
{
- var fixed_sizes = [
- [ 1280, 960 ],
- [ 1024, 768 ],
- [ 800, 600 ],
- [ 640, 480 ],
- [ 512, 384 ],
- [ 320, 256 ],
- [ 240, 192 ],
- [ 120, 96 ],
- [ 80, 64 ]
- ];
+ var i;
for (i = 0; i < fixed_sizes.length; ++i) {
- if (size[0] >= fixed_sizes[i][0] && size[1] >= fixed_sizes[i][1])
+ if (screen_size[0] >= fixed_sizes[i][0] && screen_size[1] >= fixed_sizes[i][1]) {
return fixed_sizes[i];
+ }
}
return [ 80, 64 ];
}
-
-function display_image(width, height, evt, filename, element_id)
+
+function pick_image_size(screen_size, image_size)
{
- var url = "http://" + global_vhost + "/" + evt + "/" + width + "x" + height + "/" + filename;
- var img = document.getElementById(element_id);
- if (img != null) {
- img.src = "";
- img.parentNode.removeChild(img);
- }
+ var i;
+ for (i = 0; i < fixed_sizes.length; ++i) {
+ // this is a duplicate of pr0n's resizing code, hope for no floating-point
+ // inaccuracies :-)
+ var thumbxres = fixed_sizes[i][0];
+ var thumbyres = fixed_sizes[i][1];
+ var width = image_size[0];
+ var height = image_size[1];
+
+ if (!(thumbxres >= width && thumbyres >= height)) {
+ var sfh = width / thumbxres;
+ var sfv = height / thumbyres;
+ if (sfh > sfv) {
+ width /= sfh;
+ height /= sfh;
+ } else {
+ width /= sfv;
+ height /= sfv;
+ }
+ width = Math.floor(width);
+ height = Math.floor(height);
+ }
- img = document.createElement("img");
- img.id = element_id;
- img.alt = "";
+ if (screen_size[0] >= width && screen_size[1] >= height) {
+ // be sure _not_ to return a reference
+ return [ fixed_sizes[i][0], fixed_sizes[i][1], width, height ];
+ }
+ }
+ return [ 80, 64 ];
+}
- if (img.src != url) {
- img.src = url;
+function rename_element(old_name, new_name)
+{
+ // Remove any element that's in the way.
+ var elem = document.getElementById(new_name);
+ if (elem !== null) {
+ elem.parentNode.removeChild(elem);
}
-
- var main = document.getElementById("main");
- main.appendChild(img);
- return img;
+ elem = document.getElementById(old_name);
+ if (elem !== null) {
+ elem.id = new_name;
+ }
+ return elem;
}
-function prepare_preload(img, width, height, evt, filename)
+function display_image(url, backend_width, backend_height, elem_id, offset, preload)
{
- // cancel any pending preload
- var preload = document.getElementById("preload");
- if (preload != null) {
- preload.src = "";
- preload.parentNode.removeChild(preload);
+ // 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";
}
-
- if (document.all) { // IE-specific
- img.onload = "display_image(" + width + "," + height + ",\"" + evt + "\",\"" + filename + "\",\"preload\");";
+ img.style.position = "absolute";
+ img.style.transformOrigin = "top left";
+ document.getElementById("main").appendChild(img);
+
+ if (offset === 0) {
+ img.src = url;
+ position_image(img, backend_width, backend_height, offset, preload);
} else {
- img.onload = function() { display_image(width, height, evt, filename, "preload"); }
+ // 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 {
+ main_img.addEventListener('load', function() { img.src = url; }, false);
+ }
+
+ // 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);
}
}
-function relayout()
+function display_image_num(num, offset)
{
- var size = find_width();
- var adjusted_size = reduce_to_fixed_width(size);
+ var screen_size = find_width();
+ var adjusted_size;
- var img = display_image(adjusted_size[0], adjusted_size[1], global_evt, global_image_list[global_image_num], "image");
- if (can_go_next()) {
- prepare_preload(img, adjusted_size[0], adjusted_size[1], global_evt, global_image_list[global_image_num + 1]);
+ if (global_image_list[num][2] == -1) {
+ // no size information, use our pessimal guess
+ adjusted_size = max_image_size(screen_size);
+ } else {
+ adjusted_size = pick_image_size(screen_size, [ global_image_list[num][2], global_image_list[num][3] ]);
}
-
- // center the image on-screen
- var main = document.getElementById("main");
- main.style.position = "absolute";
- main.style.left = (size[0] - adjusted_size[0]) / 2 + "px";
- main.style.top = (size[1] - adjusted_size[1]) / 2 + "px";
- main.style.width = adjusted_size[0] + "px";
- main.style.height = adjusted_size[1] + "px";
- main.style.lineHeight = adjusted_size[1] + "px";
-
- set_opacity("previous", can_go_previous() ? 0.7 : 0.1);
- set_opacity("next", can_go_next() ? 0.7 : 0.1);
- set_opacity("close", 0.7);
-}
-function set_opacity(id, amount)
-{
- var elem = document.getElementById(id);
- if (typeof(elem.style.opacity) != 'undefined') { // W3C
- elem.style.opacity = amount;
- } else if (typeof(elem.style.mozOpacity) != 'undefined') { // older Mozilla
- elem.style.mozOpacity = amount;
- } else if (typeof(elem.style.filter) != 'undefined') { // IE
- if (elem.style.filter.indexOf("alpha") == -1) {
- // add an alpha filter if there isn't one already
- if (elem.style.filter) {
- elem.style.filter += " ";
- } else {
- elem.style.filter = "";
- }
- elem.style.filter += "alpha(opacity=" + (amount*100.0) + ")";
+ 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;
+
+ display_image(url, adjusted_size[2], adjusted_size[3], elem_id, offset, false);
+
+ 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 {
- elem.filters.alpha.opacity = (amount * 100.0);
+ url = window.location.origin + "/" + evt + "/" + backend_width + "x" + backend_height + "@" + dpr.toFixed(2) + "/box/" + filename;
}
- } else { // no alpha support
- if (amount > 0.5) {
- elem.style.visibility = "visible";
- elem.style.zorder = 1;
+ display_image(url, adjusted_size[2], adjusted_size[3], elem_id, offset, true);
+ }
+
+ 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 {
- elem.style.visibility = "hidden";
+ 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()
+{
+ return (global_image_num < global_image_list.length - 1);
+}
+
function can_go_previous()
{
return (global_image_num > 0);
}
-function go_previous()
+function set_opacity(id, amount)
{
- if (!can_go_previous())
- return;
-
- --global_image_num;
-
- var adjusted_size = reduce_to_fixed_width(find_width());
+ var elem = document.getElementById(id);
- var img = display_image(adjusted_size[0], adjusted_size[1], global_evt, global_image_list[global_image_num], "image");
- if (can_go_previous()) {
- set_opacity("previous", 0.7);
- prepare_preload(img, adjusted_size[0], adjusted_size[1], global_evt, global_image_list[global_image_num - 1]);
- } else {
- set_opacity("previous", 0.1);
+ // If optionmenu is visible, options is also visible.
+ if (id === "options" && amount < 0.7) {
+ var optionmenu = document.getElementById("optionmenu");
+ if (optionmenu.style.display === "block") {
+ amount = 0.7;
+ }
}
- set_opacity("next", can_go_next() ? 0.7 : 0.1);
+ elem.style.opacity = amount;
}
-function can_go_next()
+function position_image(img, backend_width, backend_height, offset, preload)
{
- return (global_image_num < global_image_list.length - 1);
-}
+ var screen_size = find_width();
+ var dpr = find_dpr();
+ var width, height;
+
+ 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, [ backend_width, backend_height ]);
+ width = adjusted_size[2];
+ height = adjusted_size[3];
+ }
-function go_next()
-{
- if (!can_go_next())
- return;
+ var extra_x_offset = find_width()[0] * offset;
+ var left = (screen_size[0] - width) / 2;
+ var top = (screen_size[1] - height) / 2;
- ++global_image_num;
+ if (global_infobox) top -= dpr * (24/2);
- var adjusted_size = reduce_to_fixed_width(find_width());
+ // center the image on-screen
+ img.style.position = "absolute";
+ img.style.left = (left / dpr) + "px";
+ img.style.transform = "translate(" + extra_x_offset + "px,0px)";
- var img = display_image(adjusted_size[0], adjusted_size[1], global_evt, global_image_list[global_image_num], "image");
- if (can_go_next()) {
- set_opacity("next", 0.7);
- prepare_preload(img, adjusted_size[0], adjusted_size[1], global_evt, global_image_list[global_image_num + 1]);
+ if (preload) {
+ img.style.top = (top + height) / dpr + "px";
} else {
- set_opacity("next", 0.1);
+ img.style.top = (top / dpr) + "px";
+ img.style.lineHeight = (height / dpr) + "px";
+ img.style.width = (width / dpr) + "px";
+ img.style.height = (height / dpr) + "px";
}
- set_opacity("previous", can_go_previous() ? 0.7 : 0.1);
}
-function key_down(which)
+function update_shown_images()
{
- if (which == 39) { // right
- if (can_go_next()) {
- set_opacity("next", 0.99);
+ // 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;
}
- } else if (which == 37) { // left
- if (can_go_previous()) {
- set_opacity("previous", 0.99);
+
+ // 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);
}
- } else if (which == 27) { // escape
- set_opacity("close", 0.99);
}
-}
+ for (let child of to_remove) {
+ child.parentNode.removeChild(child);
+ }
-function key_up(which) {
- if (which == 39) { // right
- if (can_go_next()) {
- set_opacity("next", 0.7);
- go_next();
- }
- } else if (which == 37) { // left
- if (can_go_previous()) {
- set_opacity("previous", 0.7);
- go_previous();
- }
- } else if (which == 27) { // escape
- set_opacity("close", 0.7);
- do_close();
- } else if (which == 32 && global_select) { // space
- select_image(global_image_list[global_image_num]);
+ // 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()) {
+ display_image_num(global_image_num + 1, 1);
}
}
-function select_image(filename)
+function relayout()
{
- if (!req)
- return;
+ update_shown_images();
- draw_text("Selecting " + filename + "...");
-
- req.open("POST", "http://" + global_vhost + "/select", false);
- req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
- req.send("mode=single&event=" + global_evt + "&filename=" + filename);
+ set_opacity("previous", can_go_previous() ? global_default_opacity : global_disabled_opacity);
+ set_opacity("next", can_go_next() ? global_default_opacity : global_disabled_opacity);
+ set_opacity("close", global_default_opacity);
+ set_opacity("options", global_default_opacity);
+}
+
+function go_previous()
+{
+ if (!can_go_previous()) {
+ return;
+ }
- setTimeout("fade_text(0.99)", 30);
+ --global_image_num;
+ update_shown_images();
+ if (can_go_previous()) {
+ set_opacity("previous", global_default_opacity);
+ } else {
+ set_opacity("previous", global_disabled_opacity);
+ }
+ set_opacity("next", can_go_next() ? global_default_opacity : global_disabled_opacity);
}
-function fade_text(opacity)
+function go_next()
{
- set_opacity("text", opacity);
- if (opacity > 0.0) {
- opacity -= 0.03;
- if (opacity < 0.0)
- opacity = 0.0;
- setTimeout("fade_text(" + opacity + ")", 30);
+ if (!can_go_next()) {
+ return;
+ }
+
+ ++global_image_num;
+ update_shown_images();
+ if (can_go_next()) {
+ set_opacity("next", global_default_opacity);
} else {
- var text = document.getElementById("text");
- if (text != null) {
- text.parentNode.removeChild(text);
- }
+ set_opacity("next", global_disabled_opacity);
}
+ set_opacity("previous", can_go_previous() ? global_default_opacity : global_disabled_opacity);
}
function do_close()
{
- window.location = global_return_url;
+ if (global_image_num > 0) {
+ window.location = global_return_url + '#' + (global_image_num + 1);
+ } else {
+ window.location = global_return_url;
+ }
+}
+
+function toggle_optionmenu()
+{
+ var optionmenu = document.getElementById("optionmenu");
+ if (optionmenu.style.display === "block") {
+ optionmenu.style.display = "none";
+ } else {
+ optionmenu.style.display = "block";
+ set_opacity("options", 0.7);
+ }
}
+window['toggle_optionmenu'] = toggle_optionmenu;
function draw_text(msg)
{
// remove any text we might have left
var text = document.getElementById("text");
- if (text != null) {
+ if (text !== null) {
text.parentNode.removeChild(text);
}
@@ -297,16 +387,145 @@ function draw_text(msg)
text.style.top = (main.clientHeight - text.clientHeight) / 2 + "px";
}
-// enable the horrible horrible IE PNG hack
-function ie_png_hack()
+function fade_text(opacity)
{
- var vstr = navigator.appVersion.split("MSIE");
- var v = parseFloat(vstr[1]);
- if (v >= 5.5 && v < 7.0 && document.body.filters) {
- var next = document.getElementById("next");
- next.outerHTML = "";
-
- var previous = document.getElementById("previous");
- previous.outerHTML = "";
+ set_opacity("text", opacity);
+ if (opacity > 0.0) {
+ opacity -= 0.03;
+ if (opacity < 0.0) {
+ opacity = 0.0;
+ }
+ setTimeout(function() { fade_text(opacity); }, 30);
+ } else {
+ var text = document.getElementById("text");
+ if (text !== null) {
+ text.parentNode.removeChild(text);
+ }
+ }
+}
+
+function select_image(evt, filename, selected)
+{
+ if (selected) {
+ draw_text("Selecting " + filename + "...");
+ } else {
+ draw_text("Unselecting " + filename + "...");
+ }
+
+ var req = new XMLHttpRequest();
+ req.open("POST", window.location.origin + "/select", false);
+ req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+ req.send("event=" + evt + "&filename=" + filename + "&selected=" + selected);
+
+ setTimeout(function() { fade_text(0.99); }, 30);
+}
+
+function key_down(which)
+{
+ if (which == 39) { // right
+ if (can_go_next()) {
+ set_opacity("next", global_highlight_opacity);
+ }
+ } else if (which == 37) { // left
+ if (can_go_previous()) {
+ set_opacity("previous", global_highlight_opacity);
+ }
+ } else if (which == 27) { // escape
+ set_opacity("close", global_higlight_opacity);
+ } else {
+ check_for_hash_change();
+ }
+}
+
+function key_up(which) {
+ if (which == 39) { // right
+ if (can_go_next()) {
+ set_opacity("next", global_default_opacity);
+ go_next();
+ }
+ } else if (which == 37) { // left
+ if (can_go_previous()) {
+ set_opacity("previous", global_default_opacity);
+ go_previous();
+ }
+ } else if (which == 27) { // escape
+ set_opacity("close", global_default_opacity);
+ do_close();
+ } else if (which == 32 && global_select) { // space
+ select_image(global_image_list[global_image_num][0], global_image_list[global_image_num][1], 1);
+ } else if (which == 85 && global_select) { // u
+ select_image(global_image_list[global_image_num][0], global_image_list[global_image_num][1], 0);
+ } else {
+ check_for_hash_change();
+ }
+}
+
+function parse_image_num(default_value) {
+ var num = parseInt(window.location.hash.substr(1));
+ if (num >= 1 && num <= global_image_list.length) { // and then num != NaN
+ return (num - 1);
+ } else {
+ return default_value;
+ }
+}
+window['parse_image_num'] = parse_image_num;
+
+function check_for_hash_change() {
+ var num = parse_image_num(-1);
+ if (num != -1 && num != global_image_num) {
+ global_image_num = num;
+ relayout();
+ }
+}
+
+function toggle_immersive() {
+ if (global_default_opacity == 0.7) {
+ global_disabled_opacity = 0.0;
+ global_default_opacity = 0.0;
+ global_highlight_opacity = 0.2;
+ global_infobox = false;
+ document.getElementById('immersivetoggle').innerHTML = 'Show decorations';
+ } else {
+ global_disabled_opacity = 0.1;
+ global_default_opacity = 0.7;
+ global_highlight_opacity = 1.0;
+ global_infobox = true;
+ document.getElementById('immersivetoggle').innerHTML = 'Hide all decorations';
}
+ relayout();
}
+window['toggle_immersive'] = toggle_immersive;
+
+window.onload = function() {
+ relayout();
+ setInterval(check_for_hash_change, 1000);
+
+ 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); };
+};
+
+})();