mirror of
https://github.com/futurepress/epub.js.git
synced 2025-10-03 14:59:18 +02:00
Added fixed layout scaling, manager queue
This commit is contained in:
Fred Chasen
parent
7c135b2152
commit
0d8deb5991
14 changed files with 436 additions and 1781 deletions
1097
dist/epub.js
vendored
1097
dist/epub.js
vendored
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Load diff
2
dist/epub.js.map
vendored
2
dist/epub.js.map
vendored
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@ -118,15 +118,14 @@
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<div id="next" class="arrow">›</div>
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<script>
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// Load the opf
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// var book = ePub("https://s3.amazonaws.com/moby-dick/OPS/package.opf");
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var book = ePub("../books/alice/OPS/package.opf");
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var book = ePub("https://s3.amazonaws.com/moby-dick/OPS/package.opf");
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var rendition = book.renderTo("viewer", {
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manager: "paginate",
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width: "100%",
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height: 600
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});
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var displayed = rendition.display(3);
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var displayed = rendition.display(6);
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displayed.then(function(renderer){
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@ -95,6 +95,7 @@ Contents.prototype.textWidth = function() {
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// get the width of the text content
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width = range.getBoundingClientRect().width;
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return width;
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};
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@ -155,16 +156,16 @@ Contents.prototype.viewport = function() {
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content = $viewport.getAttribute("content");
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contents = content.split(',');
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if(contents[0]){
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width = contents[0].replace("width=", '');
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width = contents[0].replace("width=", '').trim();
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}
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if(contents[1]){
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height = contents[1].replace("height=", '');
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height = contents[1].replace("height=", '').trim();
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}
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}
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return {
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width: width,
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height: height
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width: parseInt(width),
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height: parseInt(height)
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};
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};
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102
src/layout.js
102
src/layout.js
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@ -46,11 +46,6 @@ Reflowable.prototype.calculate = function(_width, _height, _gap, _devisor){
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delta = (colWidth + gap) * divisor;
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this.columnAxis = core.prefixed('columnAxis');
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this.columnGap = core.prefixed('columnGap');
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this.columnWidth = core.prefixed('columnWidth');
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this.columnFill = core.prefixed('columnFill');
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this.width = width;
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this.height = _height;
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this.spread = spreadWidth;
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@ -109,53 +104,88 @@ Reflowable.prototype.count = function(totalWidth) {
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function Fixed(_width, _height){
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this.width = 0;
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this.height = 0;
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this.spread = 0;
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this.delta = 0;
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this.column = 0;
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this.gap = 0;
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this.divisor = 0;
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this.name = "pre-paginated";
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};
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Fixed.prototype.calculate = function(_width, _height){
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this.width = _width;
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Fixed.prototype.calculate = function(_width, _height, _gap, _devisor){
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var divisor = _devisor || 1;
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var section = Math.floor(_width / 8);
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var gap = (_gap >= 0) ? _gap : ((section % 2 === 0) ? section : section - 1);
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var colWidth;
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var spreadWidth;
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var delta;
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//-- Double Page
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if(divisor > 1) {
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colWidth = Math.floor((_width - gap) / divisor);
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} else {
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colWidth = _width;
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}
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spreadWidth = colWidth * divisor;
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delta = (colWidth + gap) * divisor;
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this.width = colWidth;
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this.height = _height;
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this.spread = spreadWidth;
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this.delta = delta;
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this.column = colWidth;
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this.gap = gap;
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this.divisor = divisor;
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};
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Fixed.prototype.format = function(contents){
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var promises = [];
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var viewport = contents.viewport();
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// var width, height;
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//
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// var $doc = doc.documentElement;
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// var $viewport = $doc.querySelector("[name=viewport");
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//
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// /**
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// * check for the viewport size
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// * <meta name="viewport" content="width=1024,height=697" />
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// */
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// if($viewport && $viewport.hasAttribute("content")) {
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// content = $viewport.getAttribute("content");
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// contents = content.split(',');
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// if(contents[0]){
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// width = contents[0].replace("width=", '');
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// }
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// if(contents[1]){
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// height = contents[1].replace("height=", '');
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// }
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// }
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//-- Adjust width and height
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// $doc.style.width = width + "px" || "auto";
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// $doc.style.height = height + "px" || "auto";
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if (viewport.width) {
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promises.push(contents.width(viewport.width));
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}
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var width = viewport.width;
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var height = viewport.height;
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var widthScale = this.column / width;
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var heightScale = this.height / height;
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var scale = widthScale < heightScale ? widthScale : heightScale;
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if (viewport.height) {
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promises.push(contents.height(viewport.height));
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}
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var offsetX = (this.width - (width * scale)) / 2;
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var offsetY = (this.height - (height * scale)) / 2;
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promises.push(contents.width(this.width));
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promises.push(contents.height(this.height));
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promises.push(contents.css("position", "absolute"));
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promises.push(contents.css("transform", "scale(" + scale + ")"));
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promises.push(contents.overflow("hidden"));
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promises.push(contents.css("transformOrigin", "top left"));
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promises.push(contents.css("backgroundColor", "transparent"));
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promises.push(contents.css("marginTop", offsetY + "px"));
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// promises.push(contents.css("marginLeft", offsetX + "px"));
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// page.style.transformOrigin = "top left";
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// if (!view.offsetRight) {
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// page.style.transformOrigin = "top right";
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// page.style.right = 0;
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// page.style.left = "auto";
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// }
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//-- Scroll
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// $doc.style.overflow = "auto";
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promises.push(contents.overflow("auto"));
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// promises.push(contents.overflow("auto"));
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return RSVP.all(promises);
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@ -15,13 +15,35 @@ function ContinuousViewManager(options) {
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});
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core.defaults(this.settings, options.settings || {});
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// core.extend(this.settings, options.settings || {});
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this.scrollTop = 0;
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this.scrollLeft = 0;
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};
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// subclass extends superclass
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ContinuousViewManager.prototype = Object.create(SingleViewManager.prototype);
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ContinuousViewManager.prototype.constructor = ContinuousViewManager;
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ContinuousViewManager.prototype.display = function(section, target){
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return SingleViewManager.prototype.display.call(this, section, target)
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.then(function () {
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return this.fill();
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}.bind(this));
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};
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ContinuousViewManager.prototype.fill = function(_full){
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var full = _full || new RSVP.defer();
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this.check().then(function(result) {
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if (result) {
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this.fill(full);
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} else {
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full.resolve();
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}
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}.bind(this));
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return full.promise;
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}
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ContinuousViewManager.prototype.moveTo = function(offset){
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// var bounds = this.stage.bounds();
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@ -75,31 +97,38 @@ ContinuousViewManager.prototype.removeShownListeners = function(view){
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};
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ContinuousViewManager.prototype.append = function(section){
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var view = this.createView(section);
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ContinuousViewManager.prototype.append = function(section){
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return this.q.enqueue(function() {
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this.views.append(view);
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this._append(section);
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// return this.update();
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}.bind(this));
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};
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ContinuousViewManager.prototype.prepend = function(section){
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return this.q.enqueue(function() {
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this._prepend(section);
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}.bind(this));
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};
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ContinuousViewManager.prototype._append = function(section){
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var view = this.createView(section);
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this.views.append(view);
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return view;
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};
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ContinuousViewManager.prototype._prepend = function(section){
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var view = this.createView(section);
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view.on("resized", this.counter.bind(this));
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return this.q.enqueue(function() {
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this.views.prepend(view);
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// return this.update();
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}.bind(this));
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return view;
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};
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ContinuousViewManager.prototype.counter = function(bounds){
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@ -169,7 +198,7 @@ ContinuousViewManager.prototype.update = function(_offset){
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var views = this.views.all();
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var viewsLength = views.length;
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var visible = [];
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var offset = _offset || this.settings.offset || 0;
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var offset = typeof _offset != "undefined" ? _offset : (this.settings.offset || 0);
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var isVisible;
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var view;
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@ -182,7 +211,9 @@ ContinuousViewManager.prototype.update = function(_offset){
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isVisible = this.isVisible(view, offset, offset, container);
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if(isVisible === true) {
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if (!view.displayed) {
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promises.push(view.display(this.request));
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}
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visible.push(view);
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} else {
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this.q.enqueue(view.destroy.bind(view));
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@ -205,7 +236,11 @@ ContinuousViewManager.prototype.update = function(_offset){
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};
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ContinuousViewManager.prototype.check = function(_offsetLeft, _offsetTop){
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var next, prev;
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var last, first, next, prev;
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var checking = new RSVP.defer();
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var newViews = [];
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var horizontal = (this.settings.axis === "horizontal");
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var delta = this.settings.offset || 0;
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@ -217,43 +252,46 @@ ContinuousViewManager.prototype.check = function(_offsetLeft, _offsetTop){
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delta = _offsetTop;
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}
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var bounds = this._bounds; //this.bounds(); // bounds saved this until resize
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var bounds = this._bounds; // bounds saved this until resize
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var offset = horizontal ? this.scrollLeft : this.scrollTop;
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var visibleLength = horizontal ? bounds.width : bounds.height;
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var contentLength = horizontal ? this.container.scrollWidth : this.container.scrollHeight;
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var checking = new RSVP.defer();
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var promises = [];
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if (offset + visibleLength + delta >= contentLength) {
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next = this.views.last().section.next();
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last = this.views.last();
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next = last && last.section.next();
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if(next) {
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promises.push(this.append(next));
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newViews.push(this._append(next));
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}
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}
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if (offset - delta < 0 ) {
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prev = this.views.first().section.prev();
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first = this.views.first();
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prev = first && first.section.prev();
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if(prev) {
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promises.push(this.prepend(prev));
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newViews.push(this._prepend(prev));
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}
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}
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if(promises.length){
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return RSVP.all(promises)
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.then(function(posts) {
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if(newViews.length){
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// RSVP.all(promises)
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// .then(function() {
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// Check to see if anything new is on screen after rendering
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this.q.enqueue(this.update.bind(this));
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// this.update(offset);
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return this.q.enqueue(function(){
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return this.update(delta);
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}.bind(this));
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} else {
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checking.resolve();
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// }.bind(this));
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} else {
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checking.resolve(false);
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return checking.promise;
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}
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};
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ContinuousViewManager.prototype.trim = function(){
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@ -309,6 +347,13 @@ ContinuousViewManager.prototype.erase = function(view, above){ //Trim
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};
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ContinuousViewManager.prototype.addEventListeners = function(stage){
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window.addEventListener('unload', function(e){
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this.ignore = true;
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// this.scrollTo(0,0);
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this.destroy();
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}.bind(this));
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this.addScrollListeners();
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};
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@ -340,11 +385,6 @@ ContinuousViewManager.prototype.addScrollListeners = function() {
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scroller.addEventListener("scroll", this.onScroll.bind(this));
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window.addEventListener('unload', function(e){
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this.ignore = true;
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this.destroy();
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}.bind(this));
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// this.tick.call(window, this.onScroll.bind(this));
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this.scrolled = false;
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@ -373,8 +413,10 @@ ContinuousViewManager.prototype.onScroll = function(){
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this.scrollDeltaVert > this.settings.offsetDelta ||
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this.scrollDeltaHorz > this.settings.offsetDelta) {
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// this.q.enqueue(this.check.bind(this));
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this.q.enqueue(function() {
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this.check();
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}.bind(this));
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// this.check();
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this.scrollDeltaVert = 0;
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this.scrollDeltaHorz = 0;
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@ -1,7 +1,7 @@
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var RSVP = require('rsvp');
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var core = require('../core');
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var ContinuousViewManager = require('./continuous');
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var Map = require('../map');
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var Mapping = require('../map');
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var Layout = require('../layout');
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function PaginatedViewManager(options) {
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@ -21,11 +21,15 @@ function PaginatedViewManager(options) {
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core.defaults(this.settings, options.settings || {});
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// Gap can be 0, byt defaults doesn't handle that
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if (options.settings.gap != "undefined" && options.settings.gap === 0) {
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this.settings.gap = options.settings.gap;
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}
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this.isForcedSingle = this.settings.forceSingle;
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this.viewSettings.axis = this.settings.axis;
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// this.start();
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};
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PaginatedViewManager.prototype = Object.create(ContinuousViewManager.prototype);
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@ -52,7 +56,7 @@ PaginatedViewManager.prototype.forceSingle = function(bool){
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};
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PaginatedViewManager.prototype.addEventListeners = function(){
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// PaginatedViewManager.prototype.addEventListeners = function(){
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// On display
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// this.layoutSettings = this.reconcileLayoutSettings(globalLayout, chapter.properties);
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// this.layoutMethod = this.determineLayout(this.layoutSettings);
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@ -63,21 +67,21 @@ PaginatedViewManager.prototype.addEventListeners = function(){
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// this.hooks.content.register(this.adjustImages.bind(this));
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this.currentPage = 0;
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// this.currentPage = 0;
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window.addEventListener('unload', function(e){
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this.ignore = true;
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this.destroy();
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}.bind(this));
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// window.addEventListener('unload', function(e){
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// this.ignore = true;
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||||
// this.destroy();
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// }.bind(this));
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||||
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};
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// };
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PaginatedViewManager.prototype.applyLayoutMethod = function() {
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//var task = new RSVP.defer();
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// this.spreads = this.determineSpreads(this.settings.minSpreadWidth);
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console.log(this.settings.globalLayoutProperties);
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this.layout = new Layout.Reflowable();
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this.updateLayout();
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@ -87,9 +91,9 @@ PaginatedViewManager.prototype.applyLayoutMethod = function() {
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this.stage.addStyleRules("iframe", [{"margin-right" : this.layout.gap + "px"}]);
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// Set the look ahead offset for what is visible
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this.settings.offeset = this.layout.delta;
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this.settings.offset = this.layout.delta;
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this.mapping = new Map(this.layout);
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this.mapping = new Mapping(this.layout);
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// this.hooks.layout.register(this.layout.format.bind(this));
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@ -139,15 +143,14 @@ PaginatedViewManager.prototype.next = function(){
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this.scrollTo(this.container.scrollWidth - this.layout.delta, 0);
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||||
}
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||||
// this.reportLocation();
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this.check();
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||||
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||||
// this.check();
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||||
};
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PaginatedViewManager.prototype.prev = function(){
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this.scrollBy(-this.layout.delta, 0);
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||||
// this.reportLocation();
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||||
this.check();
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||||
// this.check();
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||||
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||||
};
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||||
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||||
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@ -221,8 +224,6 @@ PaginatedViewManager.prototype.onResized = function(e) {
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|||
};
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||||
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||||
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||||
// Paginate.prototype.display = function(what){
|
||||
// return this.display(what);
|
||||
// };
|
||||
|
||||
|
||||
module.exports = PaginatedViewManager;
|
||||
|
|
|
|||
|
|
@ -5,12 +5,14 @@ var Views = require('../views');
|
|||
var EpubCFI = require('../epubcfi');
|
||||
var Layout = require('../layout');
|
||||
var Mapping = require('../map');
|
||||
var Queue = require('../queue');
|
||||
|
||||
function SingleViewManager(options) {
|
||||
|
||||
this.View = options.view;
|
||||
this.request = options.request;
|
||||
this.q = options.queue;
|
||||
this.renditionQueue = options.queue;
|
||||
this.q = new Queue(this);
|
||||
|
||||
this.settings = core.extend(this.settings || {}, {
|
||||
infinite: true,
|
||||
|
|
@ -75,7 +77,15 @@ SingleViewManager.prototype.render = function(element, size){
|
|||
};
|
||||
|
||||
SingleViewManager.prototype.addEventListeners = function(){
|
||||
window.addEventListener('unload', function(e){
|
||||
this.destroy();
|
||||
}.bind(this));
|
||||
};
|
||||
|
||||
SingleViewManager.prototype.destroy = function(){
|
||||
// this.views.each(function(view){
|
||||
// view.destroy();
|
||||
// });
|
||||
};
|
||||
|
||||
SingleViewManager.prototype.onResized = function(e) {
|
||||
|
|
@ -143,7 +153,7 @@ SingleViewManager.prototype.display = function(section, target){
|
|||
// Create a new view
|
||||
view = this.createView(section);
|
||||
|
||||
return this.add(view)
|
||||
this.add(view)
|
||||
.then(function(){
|
||||
|
||||
// Move to correct place within the section, if needed
|
||||
|
|
@ -152,14 +162,18 @@ SingleViewManager.prototype.display = function(section, target){
|
|||
this.moveTo(offset);
|
||||
}
|
||||
|
||||
this.views.show();
|
||||
|
||||
displaying.resolve();
|
||||
|
||||
}.bind(this))
|
||||
// .then(function(){
|
||||
// return this.hooks.display.trigger(view);
|
||||
// }.bind(this))
|
||||
.then(function(){
|
||||
this.views.show();
|
||||
}.bind(this));
|
||||
|
||||
// .then(function(){
|
||||
// this.views.show();
|
||||
// }.bind(this));
|
||||
return displayed;
|
||||
};
|
||||
|
||||
SingleViewManager.prototype.afterDisplayed = function(view){
|
||||
|
|
@ -183,7 +197,7 @@ SingleViewManager.prototype.add = function(view){
|
|||
view.onResize = this.afterResized.bind(this);
|
||||
|
||||
return view.display(this.request);
|
||||
// return this.renderer(view, this.views.hidden);
|
||||
|
||||
};
|
||||
|
||||
// SingleViewManager.prototype.resizeView = function(view) {
|
||||
|
|
@ -278,10 +292,9 @@ SingleViewManager.prototype.isVisible = function(view, offsetPrev, offsetNext, _
|
|||
};
|
||||
|
||||
SingleViewManager.prototype.visible = function(){
|
||||
return this.views.displayed();
|
||||
/*
|
||||
var container = this.stage.bounds();
|
||||
var views = this.views;
|
||||
// return this.views.displayed();
|
||||
var container = this.bounds();
|
||||
var views = this.views.displayed();
|
||||
var viewsLength = views.length;
|
||||
var visible = [];
|
||||
var isVisible;
|
||||
|
|
@ -297,7 +310,6 @@ SingleViewManager.prototype.visible = function(){
|
|||
|
||||
}
|
||||
return visible;
|
||||
*/
|
||||
};
|
||||
|
||||
SingleViewManager.prototype.scrollBy = function(x, y, silent){
|
||||
|
|
|
|||
|
|
@ -10,7 +10,13 @@ Map.prototype.section = function(view) {
|
|||
};
|
||||
|
||||
Map.prototype.page = function(view, start, end) {
|
||||
var root = view.contents.document.body;
|
||||
var contents = view.contents;
|
||||
var root = contents && contents.document ? contents.document.body : false;
|
||||
|
||||
if (!root) {
|
||||
return;
|
||||
}
|
||||
|
||||
return this.rangePairToCfiPair(view.section, {
|
||||
start: this.findStart(root, start, end),
|
||||
end: this.findEnd(root, start, end)
|
||||
|
|
|
|||
|
|
@ -5,10 +5,9 @@ var replace = require('./replacements');
|
|||
var Hook = require('./hook');
|
||||
var EpubCFI = require('./epubcfi');
|
||||
var Queue = require('./queue');
|
||||
var View = require('./view');
|
||||
// var View = require('./view');
|
||||
var Views = require('./views');
|
||||
var Layout = require('./layout');
|
||||
var Map = require('./map');
|
||||
|
||||
function Rendition(book, options) {
|
||||
|
||||
|
|
@ -112,6 +111,7 @@ Rendition.prototype.start = function(){
|
|||
this.manager = new this.ViewManager({
|
||||
view: this.View,
|
||||
queue: this.q,
|
||||
request: this.book.request,
|
||||
settings: this.settings
|
||||
});
|
||||
}
|
||||
|
|
@ -135,14 +135,14 @@ Rendition.prototype.start = function(){
|
|||
// Container must be attached before rendering can begin
|
||||
Rendition.prototype.attachTo = function(element){
|
||||
|
||||
this.start();
|
||||
|
||||
// Start rendering
|
||||
this.manager.render(element, {
|
||||
"width" : this.settings.width,
|
||||
"height" : this.settings.height
|
||||
});
|
||||
|
||||
this.start();
|
||||
|
||||
// Trigger Attached
|
||||
this.trigger("attached");
|
||||
|
||||
|
|
|
|||
|
|
@ -186,7 +186,7 @@ Stage.prototype.size = function(_width, _height){
|
|||
};
|
||||
|
||||
Stage.prototype.bounds = function(){
|
||||
return this.element.getBoundingClientRect();
|
||||
return this.container.getBoundingClientRect();
|
||||
}
|
||||
|
||||
Stage.prototype.getSheet = function(){
|
||||
|
|
|
|||
763
src/view.js
763
src/view.js
|
|
@ -1,763 +0,0 @@
|
|||
var RSVP = require('rsvp');
|
||||
var core = require('./core');
|
||||
var EpubCFI = require('./epubcfi');
|
||||
|
||||
function View(section, options) {
|
||||
this.settings = core.extend({
|
||||
ignoreClass : ''
|
||||
}, options || {});
|
||||
|
||||
this.id = "epubjs-view:" + core.uuid();
|
||||
this.section = section;
|
||||
this.index = section.index;
|
||||
|
||||
this.element = document.createElement('div');
|
||||
this.element.classList.add("epub-view");
|
||||
|
||||
|
||||
// this.element.style.minHeight = "100px";
|
||||
this.element.style.height = "0px";
|
||||
this.element.style.width = "0px";
|
||||
this.element.style.overflow = "hidden";
|
||||
|
||||
this.added = false;
|
||||
this.displayed = false;
|
||||
this.rendered = false;
|
||||
|
||||
//this.width = 0;
|
||||
//this.height = 0;
|
||||
|
||||
// Blank Cfi for Parsing
|
||||
this.epubcfi = new EpubCFI();
|
||||
|
||||
if(this.settings.axis && this.settings.axis == "horizontal"){
|
||||
this.element.style.display = "inline-block";
|
||||
} else {
|
||||
this.element.style.display = "block";
|
||||
}
|
||||
|
||||
// Dom events to listen for
|
||||
this.listenedEvents = ["keydown", "keyup", "keypressed", "mouseup", "mousedown", "click", "touchend", "touchstart"];
|
||||
|
||||
};
|
||||
|
||||
View.prototype.create = function() {
|
||||
|
||||
if(this.iframe) {
|
||||
return this.iframe;
|
||||
}
|
||||
|
||||
this.iframe = document.createElement('iframe');
|
||||
this.iframe.id = this.id;
|
||||
this.iframe.scrolling = "no"; // Might need to be removed: breaks ios width calculations
|
||||
this.iframe.style.overflow = "hidden";
|
||||
this.iframe.seamless = "seamless";
|
||||
// Back up if seamless isn't supported
|
||||
this.iframe.style.border = "none";
|
||||
|
||||
this.resizing = true;
|
||||
|
||||
// this.iframe.style.display = "none";
|
||||
this.element.style.visibility = "hidden";
|
||||
this.iframe.style.visibility = "hidden";
|
||||
|
||||
this.iframe.style.width = "0";
|
||||
this.iframe.style.height = "0";
|
||||
this._width = 0;
|
||||
this._height = 0;
|
||||
|
||||
this.element.appendChild(this.iframe);
|
||||
this.added = true;
|
||||
|
||||
this.elementBounds = core.bounds(this.element);
|
||||
|
||||
// if(width || height){
|
||||
// this.resize(width, height);
|
||||
// } else if(this.width && this.height){
|
||||
// this.resize(this.width, this.height);
|
||||
// } else {
|
||||
// this.iframeBounds = core.bounds(this.iframe);
|
||||
// }
|
||||
|
||||
// Firefox has trouble with baseURI and srcdoc
|
||||
// Disabled for now
|
||||
/*
|
||||
if(!!("srcdoc" in this.iframe)) {
|
||||
this.supportsSrcdoc = true;
|
||||
} else {
|
||||
this.supportsSrcdoc = false;
|
||||
}
|
||||
*/
|
||||
this.supportsSrcdoc = false;
|
||||
|
||||
return this.iframe;
|
||||
};
|
||||
|
||||
|
||||
View.prototype.lock = function(what, width, height) {
|
||||
|
||||
var elBorders = core.borders(this.element);
|
||||
var iframeBorders;
|
||||
|
||||
if(this.iframe) {
|
||||
iframeBorders = core.borders(this.iframe);
|
||||
} else {
|
||||
iframeBorders = {width: 0, height: 0};
|
||||
}
|
||||
|
||||
if(what == "width" && core.isNumber(width)){
|
||||
this.lockedWidth = width - elBorders.width - iframeBorders.width;
|
||||
this.resize(this.lockedWidth, width); // width keeps ratio correct
|
||||
}
|
||||
|
||||
if(what == "height" && core.isNumber(height)){
|
||||
this.lockedHeight = height - elBorders.height - iframeBorders.height;
|
||||
this.resize(width, this.lockedHeight);
|
||||
}
|
||||
|
||||
if(what === "both" &&
|
||||
core.isNumber(width) &&
|
||||
core.isNumber(height)){
|
||||
|
||||
this.lockedWidth = width - elBorders.width - iframeBorders.width;
|
||||
this.lockedHeight = height - elBorders.height - iframeBorders.height;
|
||||
|
||||
this.resize(this.lockedWidth, this.lockedHeight);
|
||||
}
|
||||
|
||||
if(this.displayed && this.iframe) {
|
||||
|
||||
this.layout();
|
||||
this.expand();
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
};
|
||||
|
||||
View.prototype.expand = function(force) {
|
||||
var width = this.lockedWidth;
|
||||
var height = this.lockedHeight;
|
||||
|
||||
var textWidth, textHeight;
|
||||
// console.log("expanding a")
|
||||
if(!this.iframe || this._expanding) return;
|
||||
|
||||
this._expanding = true;
|
||||
|
||||
// Expand Horizontally
|
||||
if(height && !width) {
|
||||
// Get the width of the text
|
||||
textWidth = this.textWidth();
|
||||
// Check if the textWidth has changed
|
||||
if(textWidth != this._textWidth){
|
||||
// Get the contentWidth by resizing the iframe
|
||||
// Check with a min reset of the textWidth
|
||||
width = this.contentWidth(textWidth);
|
||||
// Save the textWdith
|
||||
this._textWidth = textWidth;
|
||||
// Save the contentWidth
|
||||
this._contentWidth = width;
|
||||
} else {
|
||||
// Otherwise assume content height hasn't changed
|
||||
width = this._contentWidth;
|
||||
}
|
||||
}
|
||||
|
||||
// Expand Vertically
|
||||
if(width && !height) {
|
||||
textHeight = this.textHeight();
|
||||
if(textHeight != this._textHeight){
|
||||
height = this.contentHeight(textHeight);
|
||||
this._textHeight = textHeight;
|
||||
this._contentHeight = height;
|
||||
} else {
|
||||
height = this._contentHeight;
|
||||
}
|
||||
}
|
||||
|
||||
// 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;
|
||||
};
|
||||
|
||||
View.prototype.contentWidth = function(min) {
|
||||
var prev;
|
||||
var width;
|
||||
|
||||
// Save previous width
|
||||
prev = this.iframe.style.width;
|
||||
// Set the iframe size to min, width will only ever be greater
|
||||
// Will preserve the aspect ratio
|
||||
this.iframe.style.width = (min || 0) + "px";
|
||||
// Get the scroll overflow width
|
||||
width = this.document.body.scrollWidth;
|
||||
// Reset iframe size back
|
||||
this.iframe.style.width = prev;
|
||||
return width;
|
||||
};
|
||||
|
||||
View.prototype.contentHeight = function(min) {
|
||||
var prev;
|
||||
var height;
|
||||
|
||||
prev = this.iframe.style.height;
|
||||
this.iframe.style.height = (min || 0) + "px";
|
||||
height = this.document.body.scrollHeight;
|
||||
this.iframe.style.height = prev;
|
||||
return height;
|
||||
};
|
||||
|
||||
View.prototype.textWidth = function() {
|
||||
var width;
|
||||
var range = this.document.createRange();
|
||||
|
||||
// Select the contents of frame
|
||||
range.selectNodeContents(this.document.body);
|
||||
|
||||
// get the width of the text content
|
||||
width = range.getBoundingClientRect().width;
|
||||
return width;
|
||||
|
||||
};
|
||||
|
||||
View.prototype.textHeight = function() {
|
||||
var height;
|
||||
var range = this.document.createRange();
|
||||
|
||||
range.selectNodeContents(this.document.body);
|
||||
|
||||
height = range.getBoundingClientRect().height;
|
||||
return height;
|
||||
};
|
||||
|
||||
View.prototype.resize = function(width, height) {
|
||||
|
||||
if(!this.iframe) return;
|
||||
|
||||
if(core.isNumber(width)){
|
||||
this.iframe.style.width = width + "px";
|
||||
this._width = width;
|
||||
}
|
||||
|
||||
if(core.isNumber(height)){
|
||||
this.iframe.style.height = height + "px";
|
||||
this._height = height;
|
||||
}
|
||||
|
||||
this.iframeBounds = core.bounds(this.iframe);
|
||||
|
||||
this.reframe(this.iframeBounds.width, this.iframeBounds.height);
|
||||
|
||||
};
|
||||
|
||||
View.prototype.reframe = function(width, height) {
|
||||
//var prevBounds;
|
||||
|
||||
if(!this.displayed) {
|
||||
this._needsReframe = true;
|
||||
return;
|
||||
}
|
||||
|
||||
if(core.isNumber(width)){
|
||||
this.element.style.width = width + "px";
|
||||
}
|
||||
|
||||
if(core.isNumber(height)){
|
||||
this.element.style.height = height + "px";
|
||||
}
|
||||
|
||||
this.prevBounds = this.elementBounds;
|
||||
|
||||
this.elementBounds = core.bounds(this.element);
|
||||
|
||||
this.trigger("resized", {
|
||||
width: this.elementBounds.width,
|
||||
height: this.elementBounds.height,
|
||||
widthDelta: this.elementBounds.width - this.prevBounds.width,
|
||||
heightDelta: this.elementBounds.height - this.prevBounds.height
|
||||
});
|
||||
|
||||
};
|
||||
|
||||
View.prototype.resized = function(e) {
|
||||
/*
|
||||
if (!this.resizing) {
|
||||
if(this.iframe) {
|
||||
// this.expand();
|
||||
}
|
||||
} else {
|
||||
this.resizing = false;
|
||||
}*/
|
||||
|
||||
};
|
||||
|
||||
View.prototype.render = function(_request) {
|
||||
|
||||
// if(this.rendering){
|
||||
// return this.displayed;
|
||||
// }
|
||||
|
||||
this.rendering = true;
|
||||
// this.displayingDefer = new RSVP.defer();
|
||||
// this.displayedPromise = this.displaying.promise;
|
||||
|
||||
return this.section.render(_request)
|
||||
.then(function(contents){
|
||||
return this.load(contents);
|
||||
}.bind(this));
|
||||
};
|
||||
|
||||
View.prototype.load = function(contents) {
|
||||
var loading = new RSVP.defer();
|
||||
var loaded = loading.promise;
|
||||
|
||||
if(!this.iframe) {
|
||||
loading.reject(new Error("No Iframe Available"));
|
||||
return loaded;
|
||||
}
|
||||
|
||||
this.iframe.onload = function(event) {
|
||||
|
||||
this.window = this.iframe.contentWindow;
|
||||
this.document = this.iframe.contentDocument;
|
||||
this.rendering = false;
|
||||
loading.resolve(this);
|
||||
|
||||
}.bind(this);
|
||||
|
||||
if(this.supportsSrcdoc){
|
||||
this.iframe.srcdoc = contents;
|
||||
} else {
|
||||
|
||||
this.document = this.iframe.contentDocument;
|
||||
|
||||
if(!this.document) {
|
||||
loading.reject(new Error("No Document Available"));
|
||||
return loaded;
|
||||
}
|
||||
|
||||
this.document.open();
|
||||
this.document.write(contents);
|
||||
this.document.close();
|
||||
|
||||
}
|
||||
|
||||
return loaded;
|
||||
};
|
||||
|
||||
|
||||
View.prototype.layout = function(layoutFunc) {
|
||||
|
||||
this.iframe.style.display = "inline-block";
|
||||
|
||||
// Reset Body Styles
|
||||
this.document.body.style.margin = "0";
|
||||
//this.document.body.style.display = "inline-block";
|
||||
//this.document.documentElement.style.width = "auto";
|
||||
|
||||
if(layoutFunc){
|
||||
layoutFunc(this);
|
||||
}
|
||||
|
||||
this.onLayout(this);
|
||||
|
||||
};
|
||||
|
||||
View.prototype.onLayout = function(view) {
|
||||
// stub
|
||||
};
|
||||
|
||||
View.prototype.listeners = function() {
|
||||
/*
|
||||
setTimeout(function(){
|
||||
this.window.addEventListener("resize", this.resized.bind(this), false);
|
||||
}.bind(this), 10); // Wait to listen for resize events
|
||||
*/
|
||||
|
||||
// Wait for fonts to load to finish
|
||||
// http://dev.w3.org/csswg/css-font-loading/
|
||||
// Not implemented fully except in chrome
|
||||
|
||||
if(this.document.fonts && this.document.fonts.status === "loading") {
|
||||
// console.log("fonts unloaded");
|
||||
this.document.fonts.onloadingdone = function(){
|
||||
// console.log("loaded fonts");
|
||||
this.expand();
|
||||
}.bind(this);
|
||||
}
|
||||
|
||||
if(this.section.properties.indexOf("scripted") > -1){
|
||||
this.observer = this.observe(this.document.body);
|
||||
}
|
||||
|
||||
this.imageLoadListeners();
|
||||
|
||||
this.mediaQueryListeners();
|
||||
|
||||
// this.resizeListenters();
|
||||
|
||||
this.addEventListeners();
|
||||
|
||||
this.addSelectionListeners();
|
||||
};
|
||||
|
||||
View.prototype.removeListeners = function() {
|
||||
|
||||
this.removeEventListeners();
|
||||
|
||||
this.removeSelectionListeners();
|
||||
};
|
||||
|
||||
View.prototype.resizeListenters = function() {
|
||||
// Test size again
|
||||
clearTimeout(this.expanding);
|
||||
this.expanding = setTimeout(this.expand.bind(this), 350);
|
||||
};
|
||||
|
||||
//https://github.com/tylergaw/media-query-events/blob/master/js/mq-events.js
|
||||
View.prototype.mediaQueryListeners = function() {
|
||||
var sheets = this.document.styleSheets;
|
||||
var mediaChangeHandler = function(m){
|
||||
if(m.matches && !this._expanding) {
|
||||
setTimeout(this.expand.bind(this), 1);
|
||||
// this.expand();
|
||||
}
|
||||
}.bind(this);
|
||||
|
||||
for (var i = 0; i < sheets.length; i += 1) {
|
||||
var rules = sheets[i].cssRules;
|
||||
if(!rules) return; // Stylesheets changed
|
||||
for (var j = 0; j < rules.length; j += 1) {
|
||||
//if (rules[j].constructor === CSSMediaRule) {
|
||||
if(rules[j].media){
|
||||
var mql = this.window.matchMedia(rules[j].media.mediaText);
|
||||
mql.addListener(mediaChangeHandler);
|
||||
//mql.onchange = mediaChangeHandler;
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
View.prototype.observe = function(target) {
|
||||
var renderer = this;
|
||||
|
||||
// create an observer instance
|
||||
var observer = new MutationObserver(function(mutations) {
|
||||
if(renderer._expanding) {
|
||||
renderer.expand();
|
||||
}
|
||||
// mutations.forEach(function(mutation) {
|
||||
// console.log(mutation);
|
||||
// });
|
||||
});
|
||||
|
||||
// configuration of the observer:
|
||||
var config = { attributes: true, childList: true, characterData: true, subtree: true };
|
||||
|
||||
// pass in the target node, as well as the observer options
|
||||
observer.observe(target, config);
|
||||
|
||||
return observer;
|
||||
};
|
||||
|
||||
// View.prototype.appendTo = function(element) {
|
||||
// this.element = element;
|
||||
// this.element.appendChild(this.iframe);
|
||||
// };
|
||||
//
|
||||
// View.prototype.prependTo = function(element) {
|
||||
// this.element = element;
|
||||
// element.insertBefore(this.iframe, element.firstChild);
|
||||
// };
|
||||
|
||||
View.prototype.imageLoadListeners = function(target) {
|
||||
var images = this.document.body.querySelectorAll("img");
|
||||
var img;
|
||||
for (var i = 0; i < images.length; i++) {
|
||||
img = images[i];
|
||||
|
||||
if (typeof img.naturalWidth !== "undefined" &&
|
||||
img.naturalWidth === 0) {
|
||||
img.onload = this.expand.bind(this);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
View.prototype.display = function() {
|
||||
var displayed = new RSVP.defer();
|
||||
|
||||
this.displayed = true;
|
||||
|
||||
this.layout();
|
||||
|
||||
this.listeners();
|
||||
|
||||
this.expand();
|
||||
|
||||
this.trigger("displayed", this);
|
||||
this.onDisplayed(this);
|
||||
|
||||
displayed.resolve(this);
|
||||
|
||||
return displayed.promise;
|
||||
};
|
||||
|
||||
View.prototype.show = function() {
|
||||
|
||||
this.element.style.visibility = "visible";
|
||||
|
||||
if(this.iframe){
|
||||
this.iframe.style.visibility = "visible";
|
||||
}
|
||||
|
||||
this.trigger("shown", this);
|
||||
};
|
||||
|
||||
View.prototype.hide = function() {
|
||||
// this.iframe.style.display = "none";
|
||||
this.element.style.visibility = "hidden";
|
||||
this.iframe.style.visibility = "hidden";
|
||||
|
||||
this.stopExpanding = true;
|
||||
this.trigger("hidden", this);
|
||||
};
|
||||
|
||||
View.prototype.position = function() {
|
||||
return this.element.getBoundingClientRect();
|
||||
};
|
||||
|
||||
View.prototype.onDisplayed = function(view) {
|
||||
// Stub, override with a custom functions
|
||||
};
|
||||
|
||||
View.prototype.bounds = function() {
|
||||
if(!this.elementBounds) {
|
||||
this.elementBounds = core.bounds(this.element);
|
||||
}
|
||||
return this.elementBounds;
|
||||
};
|
||||
|
||||
View.prototype.destroy = function() {
|
||||
// Stop observing
|
||||
if(this.observer) {
|
||||
this.observer.disconnect();
|
||||
}
|
||||
|
||||
if(this.displayed){
|
||||
this.removeListeners();
|
||||
|
||||
this.stopExpanding = true;
|
||||
this.element.removeChild(this.iframe);
|
||||
this.displayed = false;
|
||||
this.iframe = null;
|
||||
|
||||
this._textWidth = null;
|
||||
this._textHeight = null;
|
||||
this._width = null;
|
||||
this._height = null;
|
||||
}
|
||||
// this.element.style.height = "0px";
|
||||
// this.element.style.width = "0px";
|
||||
};
|
||||
|
||||
View.prototype.root = function() {
|
||||
if(!this.document) return null;
|
||||
return this.document.documentElement;
|
||||
};
|
||||
|
||||
View.prototype.locationOf = function(target) {
|
||||
var parentPos = this.iframe.getBoundingClientRect();
|
||||
var targetPos = {"left": 0, "top": 0};
|
||||
|
||||
if(!this.document) return;
|
||||
|
||||
if(this.epubcfi.isCfiString(target)) {
|
||||
range = new EpubCFI(cfi).toRange(this.document, this.settings.ignoreClass);
|
||||
if(range) {
|
||||
targetPos = range.getBoundingClientRect();
|
||||
}
|
||||
|
||||
} else if(typeof target === "string" &&
|
||||
target.indexOf("#") > -1) {
|
||||
|
||||
id = target.substring(target.indexOf("#")+1);
|
||||
el = this.document.getElementById(id);
|
||||
|
||||
if(el) {
|
||||
targetPos = el.getBoundingClientRect();
|
||||
}
|
||||
}
|
||||
|
||||
return {
|
||||
"left": window.scrollX + parentPos.left + targetPos.left,
|
||||
"top": window.scrollY + parentPos.top + targetPos.top
|
||||
};
|
||||
};
|
||||
|
||||
View.prototype.addCss = function(src) {
|
||||
return new RSVP.Promise(function(resolve, reject){
|
||||
var $stylesheet;
|
||||
var ready = false;
|
||||
|
||||
if(!this.document) {
|
||||
resolve(false);
|
||||
return;
|
||||
}
|
||||
|
||||
$stylesheet = this.document.createElement('link');
|
||||
$stylesheet.type = 'text/css';
|
||||
$stylesheet.rel = "stylesheet";
|
||||
$stylesheet.href = src;
|
||||
$stylesheet.onload = $stylesheet.onreadystatechange = function() {
|
||||
if ( !ready && (!this.readyState || this.readyState == 'complete') ) {
|
||||
ready = true;
|
||||
// Let apply
|
||||
setTimeout(function(){
|
||||
resolve(true);
|
||||
}, 1);
|
||||
}
|
||||
};
|
||||
|
||||
this.document.head.appendChild($stylesheet);
|
||||
|
||||
}.bind(this));
|
||||
};
|
||||
|
||||
// https://developer.mozilla.org/en-US/docs/Web/API/CSSStyleSheet/insertRule
|
||||
View.prototype.addStylesheetRules = function(rules) {
|
||||
var styleEl;
|
||||
var styleSheet;
|
||||
|
||||
if(!this.document) return;
|
||||
|
||||
styleEl = this.document.createElement('style');
|
||||
|
||||
// Append style element to head
|
||||
this.document.head.appendChild(styleEl);
|
||||
|
||||
// Grab style sheet
|
||||
styleSheet = styleEl.sheet;
|
||||
|
||||
for (var i = 0, rl = rules.length; i < rl; i++) {
|
||||
var j = 1, rule = rules[i], selector = rules[i][0], propStr = '';
|
||||
// If the second argument of a rule is an array of arrays, correct our variables.
|
||||
if (Object.prototype.toString.call(rule[1][0]) === '[object Array]') {
|
||||
rule = rule[1];
|
||||
j = 0;
|
||||
}
|
||||
|
||||
for (var pl = rule.length; j < pl; j++) {
|
||||
var prop = rule[j];
|
||||
propStr += prop[0] + ':' + prop[1] + (prop[2] ? ' !important' : '') + ';\n';
|
||||
}
|
||||
|
||||
// Insert CSS Rule
|
||||
styleSheet.insertRule(selector + '{' + propStr + '}', styleSheet.cssRules.length);
|
||||
}
|
||||
};
|
||||
|
||||
View.prototype.addScript = function(src) {
|
||||
|
||||
return new RSVP.Promise(function(resolve, reject){
|
||||
var $script;
|
||||
var ready = false;
|
||||
|
||||
if(!this.document) {
|
||||
resolve(false);
|
||||
return;
|
||||
}
|
||||
|
||||
$script = this.document.createElement('script');
|
||||
$script.type = 'text/javascript';
|
||||
$script.async = true;
|
||||
$script.src = src;
|
||||
$script.onload = $script.onreadystatechange = function() {
|
||||
if ( !ready && (!this.readyState || this.readyState == 'complete') ) {
|
||||
ready = true;
|
||||
setTimeout(function(){
|
||||
resolve(true);
|
||||
}, 1);
|
||||
}
|
||||
};
|
||||
|
||||
this.document.head.appendChild($script);
|
||||
|
||||
}.bind(this));
|
||||
};
|
||||
|
||||
View.prototype.addEventListeners = function(){
|
||||
if(!this.document) {
|
||||
return;
|
||||
}
|
||||
this.listenedEvents.forEach(function(eventName){
|
||||
this.document.addEventListener(eventName, this.triggerEvent.bind(this), false);
|
||||
}, this);
|
||||
|
||||
};
|
||||
|
||||
View.prototype.removeEventListeners = function(){
|
||||
if(!this.document) {
|
||||
return;
|
||||
}
|
||||
this.listenedEvents.forEach(function(eventName){
|
||||
this.document.removeEventListener(eventName, this.triggerEvent, false);
|
||||
}, this);
|
||||
|
||||
};
|
||||
|
||||
// Pass browser events
|
||||
View.prototype.triggerEvent = function(e){
|
||||
this.trigger(e.type, e);
|
||||
};
|
||||
|
||||
View.prototype.addSelectionListeners = function(){
|
||||
if(!this.document) {
|
||||
return;
|
||||
}
|
||||
this.document.addEventListener("selectionchange", this.onSelectionChange.bind(this), false);
|
||||
};
|
||||
|
||||
View.prototype.removeSelectionListeners = function(){
|
||||
if(!this.document) {
|
||||
return;
|
||||
}
|
||||
this.document.removeEventListener("selectionchange", this.onSelectionChange, false);
|
||||
};
|
||||
|
||||
View.prototype.onSelectionChange = function(e){
|
||||
if (this.selectionEndTimeout) {
|
||||
clearTimeout(this.selectionEndTimeout);
|
||||
}
|
||||
this.selectionEndTimeout = setTimeout(function() {
|
||||
var selection = this.window.getSelection();
|
||||
this.triggerSelectedEvent(selection);
|
||||
}.bind(this), 500);
|
||||
};
|
||||
|
||||
View.prototype.triggerSelectedEvent = function(selection){
|
||||
var range, cfirange;
|
||||
|
||||
if (selection && selection.rangeCount > 0) {
|
||||
range = selection.getRangeAt(0);
|
||||
if(!range.collapsed) {
|
||||
cfirange = this.section.cfiFromRange(range);
|
||||
this.trigger("selected", cfirange);
|
||||
this.trigger("selectedRange", range);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
View.prototype.range = function(_cfi, ignoreClass){
|
||||
var cfi = new EpubCFI(_cfi);
|
||||
return cfi.toRange(this.document, ignoreClass || this.settings.ignoreClass);
|
||||
};
|
||||
|
||||
RSVP.EventTarget.mixin(View.prototype);
|
||||
|
||||
module.exports = View;
|
||||
|
|
@ -172,10 +172,11 @@ IframeView.prototype.size = function(_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") {
|
||||
// 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);
|
||||
|
|
@ -332,7 +333,6 @@ IframeView.prototype.reframe = function(width, height) {
|
|||
// this._needsReframe = true;
|
||||
// return;
|
||||
// }
|
||||
|
||||
if(core.isNumber(width)){
|
||||
this.element.style.width = width + "px";
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue