Remove more obsolete browser hacks.

[pr0n] / files / pr0n-fullscreen.js

diff --git a/files/pr0n-fullscreen.js b/files/pr0n-fullscreen.js
index d4af19f1d1397978ad94c859f398f7bfdfc12e82..bedaeb178806d4ef7cede0cce1334491eb36fa42 100644 (file)
--- a/files/pr0n-fullscreen.js
+++ b/files/pr0n-fullscreen.js
@@ -2,43 +2,13 @@ var req;
 
 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;
-                       }
-               }
-       }
+       req = new XMLHttpRequest();
 }
 
 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()
@@ -248,35 +218,7 @@ 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";
-               }
-       }
+       elem.style.opacity = amount;
 }
 
 function center_image(num)
@@ -455,23 +397,6 @@ 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 = "<span id=\"next\" style=\"display: inline-block; position: absolute; bottom: 0px; right: 0px; width: 50px; height: 50px; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + next.src + "')\" onmousedown=\"if (can_go_next()) set_opacity('next', 1.0)\" onmouseup=\"if (can_go_next()) { set_opacity('next', 0.7); go_next(); }\" onmouseout=\"if (can_go_next()) { set_opacity('next', 0.7); }\" />";
-               
-               var previous = document.getElementById("previous");
-               previous.outerHTML = "<span id=\"previous\" style=\"display: inline-block; position: absolute; bottom: 0px; right: 0px; width: 50px; height: 50px; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + previous.src + "')\" onmousedown=\"if (can_go_previous()) set_opacity('previous', 1.0)\" onmouseup=\"if (can_go_previous()) { set_opacity('previous', 0.7); go_previous(); }\" onmouseout=\"if (can_go_previous()) { set_opacity('previous', 0.7); }\" />";
-               
-               var close = document.getElementById("close");
-               close.outerHTML = "<span id=\"close\" style=\"display: inline-block; position: absolute; top: 0px; right: 0px; width: 50px; height: 50px; filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + close.src + "')\" onmousedown=\"set_opacity('close', 1.0)\" onmouseup=\"set_opacity('close', 0.7); do_close();\" onmouseout=\"set_opacity('close', 0.7);\" />";
-       }
-}
-
 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