initial commit 2

1 files changed, 59 insertions, 0 deletions

diff --git a/addons/point_of_sale/static/lib/waitfont.js b/addons/point_of_sale/static/lib/waitfont.js
new file mode 100644
index 00000000..e9359896
--- /dev/null
+++ b/addons/point_of_sale/static/lib/waitfont.js
@@ -0,0 +1,59 @@
+// http://stackoverflow.com/questions/4383226/using-jquery-to-know-when-font-face-fonts-are-loaded
+(function(){
+    function waitForWebfonts(fonts, callback) {
+        var loadedFonts = 0;
+        for(var i = 0, l = fonts.length; i < l; ++i) {
+            (function(font) {
+                var node = document.createElement('span');
+                // Characters that vary significantly among different fonts
+                node.innerHTML = 'giItT1WQy@!-/#';
+                // Visible - so we can measure it - but not on the screen
+                node.style.position      = 'absolute';
+                node.style.left          = '-10000px';
+                node.style.top           = '-10000px';
+                // Large font size makes even subtle changes obvious
+                node.style.fontSize      = '300px';
+                // Reset any font properties
+                node.style.fontFamily    = 'sans-serif';
+                node.style.fontVariant   = 'normal';
+                node.style.fontStyle     = 'normal';
+                node.style.fontWeight    = 'normal';
+                node.style.letterSpacing = '0';
+                document.body.appendChild(node);
+
+                // Remember width with no applied web font
+                var width = node.offsetWidth;
+
+                node.style.fontFamily = font;
+
+                var interval;
+                function checkFont() {
+                    // Compare current width with original width
+                    if(node && node.offsetWidth != width) {
+                        ++loadedFonts;
+                        node.parentNode.removeChild(node);
+                        node = null;
+                    }
+
+                    // If all fonts have been loaded
+                    if(loadedFonts >= fonts.length) {
+                        if(interval) {
+                            clearInterval(interval);
+                        }
+                        if(loadedFonts == fonts.length) {
+                            callback();
+                            return true;
+                        }
+                    }
+                };
+
+                if(!checkFont()) {
+                    interval = setInterval(checkFont, 50);
+                }
+            })(fonts[i]);
+        }
+    }
+    window.waitForWebfonts = waitForWebfonts;
+})();
+
+