Update display to accept percentages, handle getting location of collapsed ranges

dist/polyfills.js

@@ -76,7 +76,7 @@ return /******/ (function(modules) { // webpackBootstrap
 /************************************************************************/
 /******/ ({
 
-/***/ 14:
+/***/ 15:
 /***/ function(module, exports, __webpack_require__) {
 
 "use strict";
@@ -709,7 +709,7 @@ var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_
 
 /***/ },
 
-/***/ 15:
+/***/ 16:
 /***/ function(module, exports, __webpack_require__) {
 
 /* WEBPACK VAR INJECTION */(function(process, global) {var require;/*!
@@ -1871,11 +1871,11 @@ return Promise;
 
 ES6Promise.polyfill();
 //# sourceMappingURL=es6-promise.auto.map
-/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(4), __webpack_require__(35)))
+/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(5), __webpack_require__(4)))
 
 /***/ },
 
-/***/ 35:
+/***/ 4:
 /***/ function(module, exports) {
 
 var g;
@@ -1901,7 +1901,14 @@ module.exports = g;
 
 /***/ },
 
-/***/ 4:
+/***/ 49:
+/***/ function(module, exports) {
+
+/* (ignored) */
+
+/***/ },
+
+/***/ 5:
 /***/ function(module, exports) {
 
 // shim for using process in browser
@@ -2086,20 +2093,13 @@ process.chdir = function (dir) {
 process.umask = function() { return 0; };
 
 
-/***/ },
-
-/***/ 49:
-/***/ function(module, exports) {
-
-/* (ignored) */
-
 /***/ },
 
 /***/ 51:
 /***/ function(module, exports, __webpack_require__) {
 
-__webpack_require__(15);
+__webpack_require__(16);
-module.exports = __webpack_require__(14);
+module.exports = __webpack_require__(15);
 
 
 /***/ }

src/contents.js

@@ -387,8 +387,14 @@ Contents.prototype.locationOf = function(target, ignoreClass) {
 				position = range.startContainer.getBoundingClientRect();
 				targetPos.left = position.left;
 				targetPos.top = position.top;
+			} else {
+				// Webkit does not handle collapsed range bounds correctly
+				// https://bugs.webkit.org/show_bug.cgi?id=138949
+				if (range.collapsed) {
+					position = range.getClientRects()[0];
 				} else {
 					position = range.getBoundingClientRect();
+				}
 				targetPos.left = position.left;
 				targetPos.top = position.top;
 			}

src/core.js

@@ -238,6 +238,10 @@ function isNumber(n) {
 	return !isNaN(parseFloat(n)) && isFinite(n);
 };
 
+function isFloat(n) {
+	return isNumber(n) && (Math.floor(n) !== n);
+}
+
 function prefixed(unprefixed) {
 	var vendors = ["Webkit", "Moz", "O", "ms" ],
 		prefixes = ['-Webkit-', '-moz-', '-o-', '-ms-'],
@@ -682,6 +686,7 @@ module.exports = {
 	'indexOfSorted': indexOfSorted,
 	'documentHeight': documentHeight,
 	'isNumber': isNumber,
+	'isFloat': isFloat,
 	'prefixed': prefixed,
 	'defaults': defaults,
 	'extend': extend,

src/epubcfi.js

@@ -69,7 +69,7 @@ EpubCFI.prototype.checkType = function(cfi) {
 	if (this.isCfiString(cfi)) {
 		return 'string';
 	// Is a range object
-} else if (typeof cfi === 'object' && (core.type(cfi) === "Range" || typeof(cfi.startContainer) != "undefined")){
+	} else if (typeof cfi === 'object' && (core.type(cfi) === "Range" || typeof(cfi.startContainer) != "undefined")){
 		return 'range';
 	} else if (typeof cfi === 'object' && typeof(cfi.nodeType) != "undefined" ){ // || typeof cfi === 'function'
 		return 'node';

src/layout.js

@@ -93,7 +93,7 @@ Layout.prototype.calculate = function(_width, _height, _gap){
 
 	//-- Double Page
 	if(divisor > 1) {
-		colWidth = Math.floor((width - gap) / divisor);
+		colWidth = (width - gap) / divisor;
 	} else {
 		colWidth = width;
 	}

src/locations.js

@@ -248,6 +248,10 @@ Object.defineProperty(Locations.prototype, 'currentLocation', {
 	}
 });
 
+Locations.prototype.length = function () {
+	return this._locations.length;
+};
+
 EventEmitter(Locations.prototype);
 
 module.exports = Locations;

src/rendition.js

@@ -208,11 +208,6 @@ Rendition.prototype.attachTo = function(element){
  */
 Rendition.prototype.display = function(target){
 
-	// if (!this.book.spine.spineItems.length > 0) {
-		// Book isn't open yet
-		// return this.q.enqueue(this.display, target);
-	// }
-
 	return this.q.enqueue(this._display, target);
 
 };
@@ -230,6 +225,13 @@ Rendition.prototype._display = function(target){
 	var section;
 	var moveTo;
 
+	// Check if this is a book percentage
+	if (this.book.locations.length && core.isFloat(target)) {
+		console.log("percentage", target);
+		target = book.locations.cfiFromPercentage(target);
+		console.log("cfi", target);
+	}
+
 	section = this.book.spine.get(target);
 
 	if(!section){