X-Git-Url: https://git.sesse.net/?p=pr0n;a=blobdiff_plain;f=files%2Fpr0n-fullscreen.js;h=86e73a731fafd77fc38bc81c296a5c4e60b06cf5;hp=789cda741f5c15ab6f4c88e31dba5489ff0025a5;hb=8e14ba2a203956268b1cd28b215a9764471c054f;hpb=bf395f582ddf4acd911cdeecca86b24fbc0e833f diff --git a/files/pr0n-fullscreen.js b/files/pr0n-fullscreen.js index 789cda7..86e73a7 100644 --- a/files/pr0n-fullscreen.js +++ b/files/pr0n-fullscreen.js @@ -1,44 +1,14 @@ -var req; +(function() { -function init_ajax() -{ - 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 global_disabled_opacity = 0.1; +var global_default_opacity = 0.7; +var global_highlight_opacity = 1.0; +var global_infobox = true; function find_width() { - if (typeof(window.innerWidth) == 'number') { - // non-IE - var dpr = find_dpr(); - return [window.innerWidth * dpr, window.innerHeight * dpr]; - } 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]; + var dpr = find_dpr(); + return [window.innerWidth * dpr, window.innerHeight * dpr]; } function find_dpr() @@ -56,6 +26,9 @@ function find_dpr() * pick_image_size, below. */ var fixed_sizes = [ + [ 3840, 2880 ], + [ 3200, 2400 ], + [ 2800, 2100 ], [ 2304, 1728 ], [ 2048, 1536 ], [ 1920, 1440 ], @@ -116,24 +89,6 @@ function pick_image_size(screen_size, image_size) 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. @@ -149,46 +104,41 @@ function rename_element(old_name, new_name) 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 = "http://" + global_vhost + "/" + evt + "/" + width + "x" + height + "/nobox/" + 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) + ")"; + document.getElementById("main").appendChild(img); - if (global_infobox != 'nobox/') { - var url; - if (dpr == 1) { - url = "http://" + global_vhost + "/" + 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 = "http://" + global_vhost + "/" + 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) + ")"; + // 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; @@ -200,40 +150,48 @@ function display_image_num(num, element_id) 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() @@ -249,75 +207,109 @@ function can_go_previous() 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) + ")"; - } else { - // ugh? this seems to break in color index mode... - if (typeof(elem.filters) == 'unknown') { - elem.style.filter = "alpha(opacity=" + (amount*100.0) + ")"; - } else { - elem.filters.alpha.opacity = (amount * 100.0); - } - } - } else { // no alpha support - if (amount > 0.5) { - elem.style.visibility = "visible"; - elem.style.zorder = 1; - } else { - elem.style.visibility = "hidden"; + + // 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; } } + 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() ? 0.7 : 0.1); - set_opacity("next", can_go_next() ? 0.7 : 0.1); - set_opacity("close", 0.7); + 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() @@ -326,14 +318,14 @@ function go_previous() return; } - var img = display_image_num(--global_image_num, "image"); + --global_image_num; + update_shown_images(); if (can_go_previous()) { - set_opacity("previous", 0.7); - prepare_preload(img, global_image_num - 1); + set_opacity("previous", global_default_opacity); } else { - set_opacity("previous", 0.1); + set_opacity("previous", global_disabled_opacity); } - set_opacity("next", can_go_next() ? 0.7 : 0.1); + set_opacity("next", can_go_next() ? global_default_opacity : global_disabled_opacity); } function go_next() @@ -342,20 +334,36 @@ function go_next() return; } - var img = display_image_num(++global_image_num, "image"); + ++global_image_num; + update_shown_images(); if (can_go_next()) { - set_opacity("next", 0.7); - prepare_preload(img, global_image_num + 1); + set_opacity("next", global_default_opacity); } else { - set_opacity("next", 0.1); + set_opacity("next", global_disabled_opacity); } - set_opacity("previous", can_go_previous() ? 0.7 : 0.1); + 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) { @@ -388,7 +396,7 @@ 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) { @@ -399,35 +407,32 @@ function fade_text(opacity) function select_image(evt, filename, selected) { - if (!req) { - return; - } - if (selected) { draw_text("Selecting " + filename + "..."); } else { draw_text("Unselecting " + filename + "..."); } - req.open("POST", "http://" + global_vhost + "/select", false); + 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("fade_text(0.99)", 30); + setTimeout(function() { fade_text(0.99); }, 30); } function key_down(which) { if (which == 39) { // right if (can_go_next()) { - set_opacity("next", 0.99); + set_opacity("next", global_highlight_opacity); } } else if (which == 37) { // left if (can_go_previous()) { - set_opacity("previous", 0.99); + set_opacity("previous", global_highlight_opacity); } } else if (which == 27) { // escape - set_opacity("close", 0.99); + set_opacity("close", global_higlight_opacity); } else { check_for_hash_change(); } @@ -436,16 +441,16 @@ function key_down(which) function key_up(which) { if (which == 39) { // right if (can_go_next()) { - set_opacity("next", 0.7); + set_opacity("next", global_default_opacity); go_next(); } } else if (which == 37) { // left if (can_go_previous()) { - set_opacity("previous", 0.7); + set_opacity("previous", global_default_opacity); go_previous(); } } else if (which == 27) { // escape - set_opacity("close", 0.7); + 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); @@ -456,23 +461,6 @@ function key_up(which) { } } -// enable the horrible horrible IE PNG hack -function ie_png_hack() -{ - 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 = ""; - - var close = document.getElementById("close"); - close.outerHTML = ""; - } -} - 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 @@ -481,6 +469,7 @@ function parse_image_num(default_value) { return default_value; } } +window['parse_image_num'] = parse_image_num; function check_for_hash_change() { var num = parse_image_num(-1); @@ -489,3 +478,119 @@ function check_for_hash_change() { 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; + +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); + + 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) { + set_swipe_pos(-window.innerWidth, "transform 0.1s ease-out"); + setTimeout(function() { go_next(); }, 100); + } else if (new_x > window.innerWidth / 4) { + 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); + } + e.preventDefault(); +} + +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); }; +}; + +})();