1 files changed, 432 insertions, 0 deletions
diff --git a/lib/epub.js/src/managers/views/inline.js b/lib/epub.js/src/managers/views/inline.js
new file mode 100644
index 0000000..072b586
--- /dev/null
+++ b/lib/epub.js/src/managers/views/inline.js
@@ -0,0 +1,432 @@
+import EventEmitter from "event-emitter";
+import {extend, borders, uuid, isNumber, bounds, defer, qs, parse} from "../../utils/core";
+import EpubCFI from "../../epubcfi";
+import Contents from "../../contents";
+import { EVENTS } from "../../utils/constants";
+
+class InlineView {
+	constructor(section, options) {
+		this.settings = extend({
+			ignoreClass : "",
+			axis: "vertical",
+			width: 0,
+			height: 0,
+			layout: undefined,
+			globalLayoutProperties: {},
+		}, options || {});
+
+		this.id = "epubjs-view:" + uuid();
+		this.section = section;
+		this.index = section.index;
+
+		this.element = this.container(this.settings.axis);
+
+		this.added = false;
+		this.displayed = false;
+		this.rendered = false;
+
+		this.width  = this.settings.width;
+		this.height = this.settings.height;
+
+		this.fixedWidth  = 0;
+		this.fixedHeight = 0;
+
+		// Blank Cfi for Parsing
+		this.epubcfi = new EpubCFI();
+
+		this.layout = this.settings.layout;
+		// Dom events to listen for
+		// this.listenedEvents = ["keydown", "keyup", "keypressed", "mouseup", "mousedown", "click", "touchend", "touchstart"];
+
+	}
+
+	container(axis) {
+		var element = document.createElement("div");
+
+		element.classList.add("epub-view");
+
+		// if(this.settings.axis === "horizontal") {
+		//   element.style.width = "auto";
+		//   element.style.height = "0";
+		// } else {
+		//   element.style.width = "0";
+		//   element.style.height = "auto";
+		// }
+
+		element.style.overflow = "hidden";
+
+		if(axis && axis == "horizontal"){
+			element.style.display = "inline-block";
+		} else {
+			element.style.display = "block";
+		}
+
+		return element;
+	}
+
+	create() {
+
+		if(this.frame) {
+			return this.frame;
+		}
+
+		if(!this.element) {
+			this.element = this.createContainer();
+		}
+
+		this.frame = document.createElement("div");
+		this.frame.id = this.id;
+		this.frame.style.overflow = "hidden";
+		this.frame.style.wordSpacing = "initial";
+		this.frame.style.lineHeight = "initial";
+
+		this.resizing = true;
+
+		// this.frame.style.display = "none";
+		this.element.style.visibility = "hidden";
+		this.frame.style.visibility = "hidden";
+
+		if(this.settings.axis === "horizontal") {
+			this.frame.style.width = "auto";
+			this.frame.style.height = "0";
+		} else {
+			this.frame.style.width = "0";
+			this.frame.style.height = "auto";
+		}
+
+		this._width = 0;
+		this._height = 0;
+
+		this.element.appendChild(this.frame);
+		this.added = true;
+
+		this.elementBounds = bounds(this.element);
+
+		return this.frame;
+	}
+
+	render(request, show) {
+
+		// view.onLayout = this.layout.format.bind(this.layout);
+		this.create();
+
+		// Fit to size of the container, apply padding
+		this.size();
+
+		// Render Chain
+		return this.section.render(request)
+			.then(function(contents){
+				return this.load(contents);
+			}.bind(this))
+			// .then(function(doc){
+			// 	return this.hooks.content.trigger(view, this);
+			// }.bind(this))
+			.then(function(){
+				// this.settings.layout.format(view.contents);
+				// return this.hooks.layout.trigger(view, this);
+			}.bind(this))
+			// .then(function(){
+			// 	return this.display();
+			// }.bind(this))
+			// .then(function(){
+			// 	return this.hooks.render.trigger(view, this);
+			// }.bind(this))
+			.then(function(){
+
+				// apply the layout function to the contents
+				this.settings.layout.format(this.contents);
+
+				// Expand the iframe to the full size of the content
+				// this.expand();
+
+				// Listen for events that require an expansion of the iframe
+				this.addListeners();
+
+				if(show !== false) {
+					//this.q.enqueue(function(view){
+					this.show();
+					//}, view);
+				}
+				// this.map = new Map(view, this.layout);
+				//this.hooks.show.trigger(view, this);
+				this.emit(EVENTS.VIEWS.RENDERED, this.section);
+
+			}.bind(this))
+			.catch(function(e){
+				this.emit(EVENTS.VIEWS.LOAD_ERROR, e);
+			}.bind(this));
+
+	}
+
+	// Determine locks base on settings
+	size(_width, _height) {
+		var width = _width || this.settings.width;
+		var height = _height || this.settings.height;
+
+		if(this.layout.name === "pre-paginated") {
+			// TODO: check if these are different than the size set in chapter
+			this.lock("both", width, height);
+		} else if(this.settings.axis === "horizontal") {
+			this.lock("height", width, height);
+		} else {
+			this.lock("width", width, height);
+		}
+
+	}
+
+	// Lock an axis to element dimensions, taking borders into account
+	lock(what, width, height) {
+		var elBorders = borders(this.element);
+		var iframeBorders;
+
+		if(this.frame) {
+			iframeBorders = borders(this.frame);
+		} else {
+			iframeBorders = {width: 0, height: 0};
+		}
+
+		if(what == "width" && isNumber(width)){
+			this.lockedWidth = width - elBorders.width - iframeBorders.width;
+			this.resize(this.lockedWidth, false); //  width keeps ratio correct
+		}
+
+		if(what == "height" && isNumber(height)){
+			this.lockedHeight = height - elBorders.height - iframeBorders.height;
+			this.resize(false, this.lockedHeight);
+		}
+
+		if(what === "both" &&
+				isNumber(width) &&
+				isNumber(height)){
+
+			this.lockedWidth = width - elBorders.width - iframeBorders.width;
+			this.lockedHeight = height - elBorders.height - iframeBorders.height;
+
+			this.resize(this.lockedWidth, this.lockedHeight);
+		}
+
+	}
+
+	// Resize a single axis based on content dimensions
+	expand(force) {
+		var width = this.lockedWidth;
+		var height = this.lockedHeight;
+
+		var textWidth, textHeight;
+
+		if(!this.frame || this._expanding) return;
+
+		this._expanding = true;
+
+		// Expand Horizontally
+		if(this.settings.axis === "horizontal") {
+			width = this.contentWidth(textWidth);
+		} // Expand Vertically
+		else if(this.settings.axis === "vertical") {
+			height = this.contentHeight(textHeight);
+		}
+
+		// Only Resize if dimensions have changed or
+		// if Frame is still hidden, so needs reframing
+		if(this._needsReframe || width != this._width || height != this._height){
+			this.resize(width, height);
+		}
+
+		this._expanding = false;
+	}
+
+	contentWidth(min) {
+		return this.frame.scrollWidth;
+	}
+
+	contentHeight(min) {
+		return this.frame.scrollHeight;
+	}
+
+
+	resize(width, height) {
+
+		if(!this.frame) return;
+
+		if(isNumber(width)){
+			this.frame.style.width = width + "px";
+			this._width = width;
+		}
+
+		if(isNumber(height)){
+			this.frame.style.height = height + "px";
+			this._height = height;
+		}
+
+		this.prevBounds = this.elementBounds;
+
+		this.elementBounds = bounds(this.element);
+
+		let size = {
+			width: this.elementBounds.width,
+			height: this.elementBounds.height,
+			widthDelta: this.elementBounds.width - this.prevBounds.width,
+			heightDelta: this.elementBounds.height - this.prevBounds.height,
+		};
+
+		this.onResize(this, size);
+
+		this.emit(EVENTS.VIEWS.RESIZED, size);
+
+	}
+
+
+	load(contents) {
+		var loading = new defer();
+		var loaded = loading.promise;
+		var doc = parse(contents, "text/html");
+		var body = qs(doc, "body");
+
+		/*
+		var srcs = doc.querySelectorAll("[src]");
+
+		Array.prototype.slice.call(srcs)
+			.forEach(function(item) {
+				var src = item.getAttribute("src");
+				var assetUri = URI(src);
+				var origin = assetUri.origin();
+				var absoluteUri;
+
+				if (!origin) {
+					absoluteUri = assetUri.absoluteTo(this.section.url);
+					item.src = absoluteUri;
+				}
+			}.bind(this));
+		*/
+		this.frame.innerHTML = body.innerHTML;
+
+		this.document = this.frame.ownerDocument;
+		this.window = this.document.defaultView;
+
+		this.contents = new Contents(this.document, this.frame);
+
+		this.rendering = false;
+
+		loading.resolve(this.contents);
+
+
+		return loaded;
+	}
+
+	setLayout(layout) {
+		this.layout = layout;
+	}
+
+
+	resizeListenters() {
+		// Test size again
+		// clearTimeout(this.expanding);
+		// this.expanding = setTimeout(this.expand.bind(this), 350);
+	}
+
+	addListeners() {
+		//TODO: Add content listeners for expanding
+	}
+
+	removeListeners(layoutFunc) {
+		//TODO: remove content listeners for expanding
+	}
+
+	display(request) {
+		var displayed = new defer();
+
+		if (!this.displayed) {
+
+			this.render(request).then(function () {
+
+				this.emit(EVENTS.VIEWS.DISPLAYED, this);
+				this.onDisplayed(this);
+
+				this.displayed = true;
+
+				displayed.resolve(this);
+
+			}.bind(this));
+
+		} else {
+			displayed.resolve(this);
+		}
+
+
+		return displayed.promise;
+	}
+
+	show() {
+
+		this.element.style.visibility = "visible";
+
+		if(this.frame){
+			this.frame.style.visibility = "visible";
+		}
+
+		this.emit(EVENTS.VIEWS.SHOWN, this);
+	}
+
+	hide() {
+		// this.frame.style.display = "none";
+		this.element.style.visibility = "hidden";
+		this.frame.style.visibility = "hidden";
+
+		this.stopExpanding = true;
+		this.emit(EVENTS.VIEWS.HIDDEN, this);
+	}
+
+	position() {
+		return this.element.getBoundingClientRect();
+	}
+
+	locationOf(target) {
+		var parentPos = this.frame.getBoundingClientRect();
+		var targetPos = this.contents.locationOf(target, this.settings.ignoreClass);
+
+		return {
+			"left": window.scrollX + parentPos.left + targetPos.left,
+			"top": window.scrollY + parentPos.top + targetPos.top
+		};
+	}
+
+	onDisplayed(view) {
+		// Stub, override with a custom functions
+	}
+
+	onResize(view, e) {
+		// Stub, override with a custom functions
+	}
+
+	bounds() {
+		if(!this.elementBounds) {
+			this.elementBounds = bounds(this.element);
+		}
+		return this.elementBounds;
+	}
+
+	destroy() {
+
+		if(this.displayed){
+			this.displayed = false;
+
+			this.removeListeners();
+
+			this.stopExpanding = true;
+			this.element.removeChild(this.frame);
+			this.displayed = false;
+			this.frame = null;
+
+			this._textWidth = null;
+			this._textHeight = null;
+			this._width = null;
+			this._height = null;
+		}
+		// this.element.style.height = "0px";
+		// this.element.style.width = "0px";
+	}
+}
+
+EventEmitter(InlineView.prototype);
+
+export default InlineView;