mirror of
https://github.com/futurepress/epub.js.git
synced 2025-10-03 14:59:18 +02:00
default manager currentLocation maps all visible views, fix multiple reporting
This commit is contained in:
Fred Chasen
parent
72df566118
commit
9cd28e1144
4 changed files with 86 additions and 155 deletions
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@ -20,7 +20,7 @@
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<script>
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var currentSectionIndex = 8;
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// Load the opf
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var book = ePub("http://localhost:8080/books/moby-dick.epub");
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var book = ePub("https://s3.amazonaws.com/moby-dick/moby-dick.epub");
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var rendition = book.renderTo("viewer", {
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width: "100%",
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height: 600
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@ -78,7 +78,7 @@ class ContinuousViewManager extends DefaultViewManager {
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return this.check(offsetX, offsetY)
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.then(function(){
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this.scrollBy(distX, distY);
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this.scrollBy(distX, distY, true);
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}.bind(this));
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}
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@ -195,7 +195,7 @@ class ContinuousViewManager extends DefaultViewManager {
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this.views.prepend(view);
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view.onDisplayed = this.afterDisplayed.bind(this);
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return view;
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}
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@ -479,131 +479,6 @@ class ContinuousViewManager extends DefaultViewManager {
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}
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// resizeView(view) {
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//
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// if(this.settings.axis === "horizontal") {
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// view.lock("height", this.stage.width, this.stage.height);
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// } else {
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// view.lock("width", this.stage.width, this.stage.height);
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// }
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//
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// };
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currentLocation(){
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if (this.settings.axis === "vertical") {
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this.location = this.scrolledLocation();
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} else {
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this.location = this.paginatedLocation();
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}
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return this.location;
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}
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scrolledLocation(){
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var visible = this.visible();
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var startPage, endPage;
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// var container = this.container.getBoundingClientRect();
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if(visible.length === 1) {
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return this.mapping.page(visible[0].contents, visible[0].section.cfiBase);
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}
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if(visible.length > 1) {
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startPage = this.mapping.page(visible[0].contents, visible[0].section.cfiBase);
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endPage = this.mapping.page(visible[visible.length-1].contents, visible[visible.length-1].section.cfiBase);
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return {
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start: startPage.start,
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end: endPage.end
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};
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}
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}
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paginatedLocation(){
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var visible = this.visible();
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var startA, startB, endA, endB;
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var pageLeft, pageRight;
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var container = this.container.getBoundingClientRect();
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if(visible.length === 1) {
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startA = container.left - visible[0].position().left;
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endA = startA + this.layout.spreadWidth;
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return this.mapping.page(visible[0].contents, visible[0].section.cfiBase, startA, endA);
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}
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if(visible.length > 1) {
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// Left Col
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startA = container.left - visible[0].position().left;
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endA = startA + this.layout.columnWidth;
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// Right Col
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startB = container.left + this.layout.spreadWidth - visible[visible.length-1].position().left;
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endB = startB + this.layout.columnWidth;
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pageLeft = this.mapping.page(visible[0].contents, visible[0].section.cfiBase, startA, endA);
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pageRight = this.mapping.page(visible[visible.length-1].contents, visible[visible.length-1].section.cfiBase, startB, endB);
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return {
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start: pageLeft.start,
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end: pageRight.end
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};
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}
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}
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/*
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current(what){
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var view, top;
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var container = this.container.getBoundingClientRect();
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var length = this.views.length - 1;
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if(this.settings.axis === "horizontal") {
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for (var i = length; i >= 0; i--) {
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view = this.views[i];
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left = view.position().left;
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if(left < container.right) {
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if(this._current == view) {
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break;
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}
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this._current = view;
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break;
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}
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}
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} else {
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for (var i = length; i >= 0; i--) {
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view = this.views[i];
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top = view.bounds().top;
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if(top < container.bottom) {
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if(this._current == view) {
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break;
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}
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this._current = view;
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break;
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}
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}
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}
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return this._current;
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}
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*/
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updateLayout() {
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if (!this.stage) {
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@ -643,22 +518,30 @@ class ContinuousViewManager extends DefaultViewManager {
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if(this.container.scrollLeft +
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this.container.offsetWidth +
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this.layout.delta < this.container.scrollWidth) {
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this.scrollBy(this.layout.delta, 0);
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this.scrollBy(this.layout.delta, 0, true);
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} else {
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this.scrollTo(this.container.scrollWidth - this.layout.delta, 0);
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this.scrollTo(this.container.scrollWidth - this.layout.delta, 0, true);
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}
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} else {
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this.scrollBy(0, this.layout.height);
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this.scrollBy(0, this.layout.height, true);
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}
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this.q.enqueue(function() {
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this.check();
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}.bind(this));
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}
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prev(){
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if(this.settings.axis === "horizontal") {
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this.scrollBy(-this.layout.delta, 0);
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this.scrollBy(-this.layout.delta, 0, true);
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} else {
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this.scrollBy(0, -this.layout.height);
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this.scrollBy(0, -this.layout.height, true);
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}
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this.q.enqueue(function() {
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this.check();
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}.bind(this));
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}
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updateFlow(flow){
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@ -380,26 +380,79 @@ class DefaultViewManager {
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}
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scrolledLocation(){
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var view;
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if(this.views.length) {
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view = this.views.first();
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return this.mapping.page(view, view.section.cfiBase);
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var visible = this.visible();
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var startPage, endPage;
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var last;
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// var container = this.container.getBoundingClientRect();
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if(visible.length === 1) {
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startPage = this.mapping.page(visible[0].contents, visible[0].section.cfiBase);
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return {
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index : visible[0].section.index,
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href : visible[0].section.href,
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start: startPage.start,
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end: startPage.end
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};
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}
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if(visible.length > 1) {
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last = visible.length - 1;
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startPage = this.mapping.page(visible[0].contents, visible[0].section.cfiBase);
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endPage = this.mapping.page(visible[last].contents, visible[last].section.cfiBase);
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return {
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index : visible[last].section.index,
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href : visible[last].section.href,
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start: startPage.start,
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end: endPage.end
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};
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}
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}
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paginatedLocation(){
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var view;
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var start, end;
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var visible = this.visible();
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var startA, startB, endA, endB;
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var pageLeft, pageRight;
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var container = this.container.getBoundingClientRect();
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var last;
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if(this.views.length) {
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view = this.views.first();
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start = this._bounds.left - view.position().left;
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end = start + this.layout.spreadWidth;
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return this.mapping.page(view, view.section.cfiBase, start, end);
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if(visible.length === 1) {
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startA = container.left - visible[0].position().left;
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endA = startA + this.layout.spreadWidth;
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pageLeft = this.mapping.page(visible[0].contents, visible[0].section.cfiBase, startA, endA)
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return {
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index : visible[0].section.index,
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href : visible[0].section.href,
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start: pageLeft.start,
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end: pageLeft.end
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};
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}
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if(visible.length > 1) {
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last = visible.length - 1;
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// Left Col
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startA = container.left - visible[0].position().left;
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endA = startA + this.layout.columnWidth;
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// Right Col
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startB = container.left + this.layout.spreadWidth - visible[visible.length-1].position().left;
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endB = startB + this.layout.columnWidth;
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pageLeft = this.mapping.page(visible[0].contents, visible[0].section.cfiBase, startA, endA);
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pageRight = this.mapping.page(visible[last].contents, visible[last].section.cfiBase, startB, endB);
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return {
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index : visible[last].section.index,
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href : visible[last].section.href,
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start: pageLeft.start,
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end: pageRight.end
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};
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}
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}
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isVisible(view, offsetPrev, offsetNext, _container){
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@ -424,7 +477,6 @@ class DefaultViewManager {
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}
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visible(){
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// return this.views.displayed();
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var container = this.bounds();
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var views = this.views.displayed();
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var viewsLength = views.length;
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@ -457,9 +509,7 @@ class DefaultViewManager {
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} else {
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window.scrollBy(x,y);
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}
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// console.log("scrollBy", x, y);
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this.scrolled = true;
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this.onScroll();
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}
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scrollTo(x, y, silent){
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@ -473,9 +523,8 @@ class DefaultViewManager {
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} else {
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window.scrollTo(x,y);
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}
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// console.log("scrollTo", x, y);
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this.scrolled = true;
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this.onScroll();
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// if(this.container.scrollLeft != x){
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// setTimeout(function() {
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// this.scrollTo(x, y, silent);
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@ -177,9 +177,7 @@ class Rendition {
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// Listen for scroll changes
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this.manager.on("scroll", this.reportLocation.bind(this));
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this.on("displayed", this.reportLocation.bind(this));
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this.manager.on("scroll", () => console.log("scrolled"));
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// Trigger that rendering has started
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this.emit("started");
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@ -255,7 +253,8 @@ class Rendition {
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return this.manager.display(section, target)
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.then(function(){
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// this.emit("displayed", section);
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this.emit("displayed", section);
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this.reportLocation();
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}.bind(this));
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}
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@ -313,7 +312,7 @@ class Rendition {
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afterDisplayed(view){
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this.hooks.content.trigger(view.contents, this);
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this.emit("rendered", view.section);
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this.reportLocation();
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// this.reportLocation();
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}
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/**
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@ -585,7 +584,7 @@ class Rendition {
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*/
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range(cfi, ignoreClass){
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var _cfi = new EpubCFI(cfi);
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var found = this.visible().filter(function (view) {
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var found = this.manager.visible().filter(function (view) {
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if(_cfi.spinePos === view.index) return true;
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});
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