Add method setting for views

src/managers/default/index.js

@@ -31,6 +31,7 @@ class DefaultViewManager {
 			ignoreClass: this.settings.ignoreClass,
 			axis: this.settings.axis,
 			layout: this.layout,
+			method: this.settings.method, // srcdoc, blobUrl, write
 			width: 0,
 			height: 0
 		};

src/managers/views/iframe.js

@@ -1,5 +1,5 @@
 import EventEmitter from "event-emitter";
-import {extend, borders, uuid, isNumber, bounds, defer} from "../../utils/core";
+import {extend, borders, uuid, isNumber, bounds, defer, createBlobUrl, revokeBlobUrl} from "../../utils/core";
 import EpubCFI from "../../epubcfi";
 import Contents from "../../contents";
 import { Pane, Highlight, Underline } from "marks-pane";
@@ -13,6 +13,7 @@ class IframeView {
 			height: 0,
 			layout: undefined,
 			globalLayoutProperties: {},
+			method: undefined
 		}, options || {});
 
 		this.id = "epubjs-view-" + uuid();
@@ -112,9 +113,6 @@ class IframeView {
 		//   this.iframeBounds = bounds(this.iframe);
 		// }
 
-		// Firefox has trouble with baseURI and srcdoc
-		// TODO: Disable for now in firefox
-
 
 		if(("srcdoc" in this.iframe)) {
 			this.supportsSrcdoc = true;
@@ -122,6 +120,10 @@ class IframeView {
 			this.supportsSrcdoc = false;
 		}
 
+		if (!this.settings.method) {
+			this.settings.method = this.supportsSrcdoc ? "srcdoc" : "write";
+		}
+
 		return this.iframe;
 	}
 
@@ -331,7 +333,10 @@ class IframeView {
 
 		}.bind(this);
 
-		if(this.supportsSrcdoc){
+		if (this.settings.method === "blobUrl") {
+			this.blobUrl = createBlobUrl(contents, "application/xhtml+xml");
+			this.iframe.src = this.blobUrl;
+		} else if(this.settings.method === "srcdoc"){
 			this.iframe.srcdoc = contents;
 		} else {
 
@@ -654,6 +659,10 @@ class IframeView {
 			this.unmark(cfiRange);
 		}
 
+		if (this.blobUrl) {
+			revokeBlobUrl(this.blobUrl);
+		}
+
 		if(this.displayed){
 			this.displayed = false;
 

src/rendition.js

@@ -47,10 +47,6 @@ class Rendition {
 			this.manager = this.settings.manager;
 		}
 
-		this.viewSettings = {
-			ignoreClass: this.settings.ignoreClass
-		};
-
 		this.book = book;
 
 		// this.views = null;

src/utils/core.js

@@ -3,6 +3,7 @@ const ELEMENT_NODE = 1;
 const TEXT_NODE = 3;
 const COMMENT_NODE = 8;
 const DOCUMENT_NODE = 9;
+const _URL = URL || (typeof window != "undefined" ? (window.URL || window.webkitURL || window.mozURL) : undefined);
 
 export function isElement(obj) {
 	return !!(obj && obj.nodeType == 1);
@@ -261,7 +262,6 @@ export function createBlob(content, mime){
 }
 
 export function createBlobUrl(content, mime){
-	var _URL = window.URL || window.webkitURL || window.mozURL;
 	var tempUrl;
 	var blob = createBlob(content, mime);
 
@@ -270,6 +270,11 @@ export function createBlobUrl(content, mime){
 	return tempUrl;
 }
 
+
+export function revokeBlobUrl(url){
+	return _URL.revokeObjectURL(url);
+}
+
 export function createBase64Url(content, mime){
 	var data;
 	var datauri;