diff --git a/README.fr.md b/README.fr.md
index 4a638ab..9a3ac70 100644
--- a/README.fr.md
+++ b/README.fr.md
@@ -25,7 +25,8 @@ La compatibilité avec tous les navigateurs et appareils modernes n'est pas enco
- restaure les pages originales comme enfants directs ;
- restaure les attributs `style` et `class` d'origine ;
- supprime les données jQuery internes de turn.js sans effacer les données utilisateur sans lien.
-- Correction de `animatef(false)` pour que l'annulation d'une animation nettoie bien l'intervalle actif.
+- Remplacement de la boucle d'animation interne `setInterval` par `requestAnimationFrame`.
+- Correction de `animatef(false)` pour que l'annulation d'une animation annule bien la frame planifiée.
- Ajout d'une démo navigateur minimale avec jQuery `4.0.0`.
- Ajout de texte et d'images locales dans la démo minimale.
- Correction de la mise en page de la démo minimale afin que les dimensions mesurées par turn.js correspondent à la taille réellement rendue des pages.
@@ -167,6 +168,7 @@ La suite actuelle couvre :
- `addPage` / `removePage` dynamiques ;
- l'enregistrement des namespaces d'événements ;
- le nettoyage `destroy` et la réinitialisation ;
+- la planification et l'annulation `requestAnimationFrame` dans `animatef` ;
- le rendu de la démo minimale ;
- le rendu après page tournée ;
- la géométrie en viewport compact ;
diff --git a/demos/bible/index.html b/demos/bible/index.html
deleted file mode 100644
index 4ab1e3d..0000000
--- a/demos/bible/index.html
+++ /dev/null
@@ -1,154 +0,0 @@
-
-
-
-
-
-
-
-
-
-
-
-
The Bible
-
-
-
- of
-
-
-
-
-
-
-
diff --git a/demos/bible/loader.gif b/demos/bible/loader.gif
deleted file mode 100644
index 53dd589..0000000
Binary files a/demos/bible/loader.gif and /dev/null differ
diff --git a/readme.md b/readme.md
index cf44757..57009f7 100644
--- a/readme.md
+++ b/readme.md
@@ -25,7 +25,8 @@ Compatibility is not yet guaranteed for every modern browser or device. Safari/W
- restores original page elements as direct children;
- restores original `style` and `class` attributes;
- removes turn.js internal jQuery data while preserving unrelated user data.
-- Fixed `animatef(false)` so cancelling an animation clears the active interval.
+- Replaced the internal `setInterval` animation loop with `requestAnimationFrame`.
+- Fixed `animatef(false)` so cancelling an animation cancels the scheduled animation frame.
- Added a minimal browser demo using jQuery `4.0.0`.
- Added text and local images to the minimal demo.
- Fixed minimal demo layout so turn.js page measurements match the real rendered page size.
@@ -167,6 +168,7 @@ The current suite covers:
- dynamic `addPage` / `removePage`;
- event namespace registration;
- `destroy` cleanup and re-initialization;
+- `requestAnimationFrame` scheduling and cancellation in `animatef`;
- minimal demo rendering;
- page turn rendering;
- compact viewport geometry;
diff --git a/tests/unit/turn.unit.test.js b/tests/unit/turn.unit.test.js
index 13ac340..52ebb38 100644
--- a/tests/unit/turn.unit.test.js
+++ b/tests/unit/turn.unit.test.js
@@ -11,7 +11,7 @@ const jqueryDist = dirname(require.resolve('jquery'));
const jquerySource = readFileSync(resolve(jqueryDist, 'jquery.js'), 'utf8');
const turnSource = readFileSync(resolve(__dirname, '../../turn.js'), 'utf8');
-function createFixture(pageCount = 4) {
+function createFixture(pageCount = 4, windowOptions = {}) {
const pages = Array.from({ length: pageCount }, (_, index) => (
`
Page ${index + 1}
`
)).join('');
@@ -22,6 +22,13 @@ function createFixture(pageCount = 4) {
url: 'http://localhost/'
});
+ Object.entries(windowOptions).forEach(([key, value]) => {
+ Object.defineProperty(dom.window, key, {
+ value,
+ configurable: true,
+ writable: true
+ });
+ });
dom.window.eval(jquerySource);
const $ = dom.window.jQuery;
dom.window.eval(turnSource);
@@ -166,6 +173,53 @@ describe('turn.js jQuery plugin', () => {
expect($book.find('.turn-page-wrapper').length).toBeGreaterThan(0);
});
+ it('uses requestAnimationFrame for animatef animations', () => {
+ fixture.window.close();
+
+ const frameCallbacks = [];
+ let frameHandle = 0;
+ const requestAnimationFrame = vi.fn(callback => {
+ frameCallbacks.push(callback);
+ frameHandle += 1;
+ return frameHandle;
+ });
+ const cancelAnimationFrame = vi.fn();
+
+ fixture = createFixture(4, {
+ performance: { now: vi.fn(() => 0) },
+ requestAnimationFrame,
+ cancelAnimationFrame
+ });
+
+ const { $ } = fixture;
+ const frames = [];
+ const complete = vi.fn();
+ const $element = $('');
+
+ $element.animatef({
+ from: 0,
+ to: 10,
+ duration: 32,
+ easing: (x, t, b, c, d) => b + c * (t / d),
+ frame: value => frames.push(value),
+ complete
+ });
+
+ expect(frames).toEqual([0]);
+ expect(requestAnimationFrame).toHaveBeenCalledTimes(1);
+
+ frameCallbacks.shift()(16);
+ expect(frames[1]).toBe(5);
+ expect(requestAnimationFrame).toHaveBeenCalledTimes(2);
+
+ $element.animatef(false);
+ expect(cancelAnimationFrame).toHaveBeenCalledWith(2);
+
+ frameCallbacks.shift()(32);
+ expect(frames).toEqual([0, 5]);
+ expect(complete).not.toHaveBeenCalled();
+ });
+
it('registers internal handlers with event namespaces', () => {
fixture.window.close();
fixture = createFixture();
diff --git a/turn.js b/turn.js
index d4f1c6d..ed03106 100644
--- a/turn.js
+++ b/turn.js
@@ -34,6 +34,20 @@ var has3d,
events = (isTouch) ? {start: 'touchstart', move: 'touchmove', end: 'touchend'}
: {start: 'mousedown', move: 'mousemove', end: 'mouseup'},
+ frameTime = (window.performance && window.performance.now) ?
+ function() { return window.performance.now(); } :
+ function() { return new Date().getTime(); },
+
+ requestFrame = window.requestAnimationFrame ||
+ window.webkitRequestAnimationFrame ||
+ window.mozRequestAnimationFrame ||
+ function(callback) { return window.setTimeout(function() { callback(frameTime()); }, 16); },
+
+ cancelFrame = window.cancelAnimationFrame ||
+ window.webkitCancelAnimationFrame ||
+ window.mozCancelAnimationFrame ||
+ function(handle) { window.clearTimeout(handle); },
+
turnEventNamespace = '.turn',
turnFlipEventNamespace = '.turnFlip',
@@ -2008,7 +2022,7 @@ $.extend($.fn, {
var data = this.data();
if (data.effect)
- clearInterval(data.effect.handle);
+ cancelFrame(data.effect.handle);
if (point) {
@@ -2019,11 +2033,16 @@ $.extend($.fn, {
var j, diff = [],
len = point.to.length,
that = this,
- fps = point.fps || 30,
- time = - fps,
- f = function() {
- var j, v = [];
- time = Math.min(point.duration, time + fps);
+ startTime = frameTime(),
+ f = function(timestamp) {
+
+ if (that.data().effect!==point)
+ return;
+
+ timestamp = timestamp || frameTime();
+
+ var time = Math.min(point.duration, Math.max(0, timestamp - startTime)),
+ j, v = [];
for (j = 0; j < len; j++)
v.push(point.easing(1, time, point.from[j], diff[j], point.duration));
@@ -2031,24 +2050,25 @@ $.extend($.fn, {
point.frame((len==1) ? v[0] : v);
if (time==point.duration) {
- clearInterval(data.effect.handle);
delete data['effect'];
that.data(data);
if (point.complete)
point.complete();
- }
- };
+ } else {
+ data.effect.handle = requestFrame(f);
+ that.data(data);
+ }
+ };
for (j = 0; j < len; j++)
diff.push(point.to[j] - point.from[j]);
data.effect = point;
- data.effect.handle = setInterval(f, fps);
this.data(data);
- f();
+ f(startTime);
} else {
if (data.effect && data.effect.handle)
- clearInterval(data.effect.handle);
+ cancelFrame(data.effect.handle);
delete data['effect'];
}
}
diff --git a/turn.min.js b/turn.min.js
index 90c09ee..c559aab 100644
--- a/turn.min.js
+++ b/turn.min.js
@@ -16,4 +16,4 @@
* benefit and not for any commercial purpose or for monetary gain.
*
**/
-!function(t){"use strict";var a,e="",r=Math.PI,i=r/2,s="ontouchstart"in window,n=s?{start:"touchstart",move:"touchmove",end:"touchend"}:{start:"mousedown",move:"mousemove",end:"mouseup"},o=".turn",p=".turnFlip",h={backward:["bl","tl"],forward:["br","tr"],all:["tl","bl","tr","br"]},l=["single","double"],g={page:1,gradients:!0,duration:600,acceleration:!0,display:"double",when:null},d={folding:null,corners:"forward",cornerSize:100,gradients:!0,duration:600,acceleration:!0},f={0:{top:0,left:0,right:"auto",bottom:"auto"},1:{top:0,right:0,left:"auto",bottom:"auto"}},c=function(t,a,e,r){return{css:{position:"absolute",top:t,left:a,overflow:r||"hidden","z-index":e||"auto"}}},u=function(t,a,e,r,i){var s=1-i,n=s*s*s,o=i*i*i;return v(Math.round(n*t.x+3*i*s*s*a.x+3*i*i*s*e.x+o*r.x),Math.round(n*t.y+3*i*s*s*a.y+3*i*i*s*e.y+o*r.y))},v=function(t,a){return{x:t,y:a}},w=function(t,e,r){return a&&r?" translate3d("+t+"px,"+e+"px, 0px) ":" translate("+t+"px, "+e+"px) "},m=function(t){return" rotate("+t+"deg) "},b=function(t,a){return Object.prototype.hasOwnProperty.call(a,t)},y=function(t,a,r,i,s){var n,o=[];if("-webkit-"==e){for(n=0;ns)throw new Error('It is impossible to add the page "'+e+'", the maximum value is: "'+s+'"')}else e=s,r=!0;return e>=1&&e<=s&&(i.done&&this.turn("stop"),e in i.pageObjs&&x._movePages.call(this,e,1),r&&(i.totalPages=s),i.pageObjs[e]=t(a),i.pageDefaults[e]={style:i.pageObjs[e].attr("style"),class:i.pageObjs[e].attr("class")},i.pageObjs[e].addClass("turn-page p"+e),x._addPage.call(this,e),i.done&&this.turn("update"),x._removeFromDOM.call(this)),this},_addPage:function(a){var e=this.data(),r=e.pageObjs[a];if(r)if(x._necessPage.call(this,a)){if(!e.pageWrap[a]){var i="double"==e.display?this.width()/2:this.width(),s=this.height();r.css({width:i,height:s}),e.pagePlace[a]=a,e.pageWrap[a]=t("",{class:"turn-page-wrapper",page:a,css:{position:"absolute",overflow:"hidden",width:i,height:s}}).css(f["double"==e.display?a%2:0]),this.append(e.pageWrap[a]),e.pageWrap[a].prepend(e.pageObjs[a])}a&&1!=x._setPageLoc.call(this,a)||x._makeFlip.call(this,a)}else e.pagePlace[a]=0,e.pageObjs[a]&&e.pageObjs[a].remove()},hasPage:function(t){return t in this.data().pageObjs},_makeFlip:function(t){var a=this.data();if(!a.pages[t]&&a.pagePlace[t]==t){var e="single"==a.display,r=t%2;a.pages[t]=a.pageObjs[t].css({width:e?this.width():this.width()/2,height:this.height()}).flip({page:t,next:e&&t===a.totalPages?t-1:r||e?t+1:t-1,turn:this,duration:a.opts.duration,acceleration:a.opts.acceleration,corners:e?"all":r?"forward":"backward",backGradient:a.opts.gradients,frontGradient:a.opts.gradients}).flip("disable",a.disabled).on("pressed"+p,x._pressed).on("released"+p,x._released).on("start"+p,x._start).on("end"+p,x._end).on("flip"+p,x._flip)}return a.pages[t]},_makeRange:function(){this.data();var t,a=this.turn("range");for(t=a[0];t<=a[1];t++)x._addPage.call(this,t)},range:function(t){var a,e,r,i=this.data();t=t||i.tpage||i.page;var s=x._view.call(this,t);if(t<1||t>i.totalPages)throw new Error('"'+t+'" is not a page for range');return s[1]=s[1]||s[0],s[0]>=1&&s[1]<=i.totalPages?(a=Math.floor(2),i.totalPages-s[1]>s[0]?r=2*a-(e=Math.min(s[0]-1,a)):e=2*a-(r=Math.min(i.totalPages-s[1],a))):(e=5,r=5),[Math.max(1,s[0]-e),Math.min(i.totalPages,s[1]+r)]},_necessPage:function(t){if(0===t)return!0;var a=this.turn("range");return t>=a[0]&&t<=a[1]},_removeFromDOM:function(){var t,a=this.data();for(t in a.pageWrap)b(t,a.pageWrap)&&!x._necessPage.call(this,t)&&x._removePageFromDOM.call(this,t)},_removePageFromDOM:function(t){var a=this.data();if(a.pages[t]){var e=a.pages[t].data();e.f&&e.f.fwrapper&&e.f.fwrapper.remove(),a.pages[t].remove(),delete a.pages[t]}a.pageObjs[t]&&a.pageObjs[t].remove(),a.pageWrap[t]&&(a.pageWrap[t].remove(),delete a.pageWrap[t]),delete a.pagePlace[t]},removePage:function(t){var a=this.data();return a.pageObjs[t]&&(this.turn("stop"),x._removePageFromDOM.call(this,t),delete a.pageObjs[t],x._movePages.call(this,t,-1),a.totalPages=a.totalPages-1,x._makeRange.call(this),a.page>a.totalPages&&this.turn("page",a.totalPages)),this},_movePages:function(t,a){var e,r=this.data(),i="single"==r.display,s=function(t){var e=t+a,s=e%2;r.pageObjs[t]&&(r.pageObjs[e]=r.pageObjs[t].removeClass("page"+t).addClass("page"+e)),r.pagePlace[t]&&r.pageWrap[t]&&(r.pagePlace[e]=e,r.pageWrap[e]=r.pageWrap[t].css(f[i?0:s]).attr("page",e),r.pages[t]&&(r.pages[e]=r.pages[t].flip("options",{page:e,next:i||s?e+1:e-1,corners:i?"all":s?"forward":"backward"})),a&&(delete r.pages[t],delete r.pagePlace[t],delete r.pageObjs[t],delete r.pageWrap[t],delete r.pageObjs[t]))};if(a>0)for(e=r.totalPages;e>=t;e--)s(e);else for(e=t;e<=r.totalPages;e++)s(e)},display:function(a){var e=this.data(),r=e.display;if(a){if(-1==t.inArray(a,l))throw new Error('"'+a+'" is not a value for display');if("single"==a?e.pageObjs[0]||(this.turn("stop").css({overflow:"hidden"}),e.pageObjs[0]=t("",{class:"turn-page p-temporal"}).css({width:this.width(),height:this.height()}).appendTo(this)):e.pageObjs[0]&&(this.turn("stop").css({overflow:""}),e.pageObjs[0].remove(),delete e.pageObjs[0]),e.display=a,r){var i=this.turn("size");x._movePages.call(this,1,0),this.turn("size",i.width,i.height).turn("update")}return this}return r},animating:function(){return this.data().pageMv.length>0},disable:function(a){var e,r=this.data(),i=this.turn("view");for(e in r.disabled=void 0===a||!0===a,r.pages)b(e,r.pages)&&r.pages[e].flip("disable",!!a&&t.inArray(e,i));return this},size:function(t,a){if(t&&a){var e,r=this.data(),i="double"==r.display?t/2:t;for(e in this.css({width:t,height:a}),r.pageObjs[0]&&r.pageObjs[0].css({width:i,height:a}),r.pageWrap)b(e,r.pageWrap)&&(r.pageObjs[e].css({width:i,height:a}),r.pageWrap[e].css({width:i,height:a}),r.pages[e]&&r.pages[e].css({width:i,height:a}));return this.turn("resize"),this}return{width:this.width(),height:this.height()}},resize:function(){var t,a=this.data();for(a.pages[0]&&(a.pageWrap[0].css({left:-this.width()}),a.pages[0].flip("resize",!0)),t=1;t<=a.totalPages;t++)a.pages[t]&&a.pages[t].flip("resize",!0)},_removeMv:function(t){var a,e=this.data();for(a=0;a0?e[0]:0,e[1]<=a.totalPages?e[1]:0]:[e[0]>0&&e[0]<=a.totalPages?e[0]:0]},stop:function(t){var a,e,r=this.data(),i=r.pageMv;for(a in r.pageMv=[],r.tpage&&(r.page=r.tpage,delete r.tpage),i)b(a,i)&&(e=r.pages[i[a]].data().f.opts,P._moveFoldingPage.call(r.pages[i[a]],null),r.pages[i[a]].flip("hideFoldedPage"),r.pagePlace[e.next]=e.next,e.force&&(e.next=e.page%2==0?e.page-1:e.page+1,delete e.force));return this.turn("update"),this},pages:function(t){var a=this.data();if(t){if(tt&&this.turn("page",t)}return a.totalPages=t,this}return a.totalPages},_fitPage:function(a,e){var r=this.data(),i=this.turn("view",a);r.page!=a&&(this.trigger("turning",[a,i]),-1!=t.inArray(1,i)&&this.trigger("first"),-1!=t.inArray(r.totalPages,i)&&this.trigger("last")),r.pageObjs[a]&&(r.tpage=a,this.turn("stop",e),x._removeFromDOM.call(this),x._makeRange.call(this),this.trigger("turned",[a,i]))},_turnPage:function(a){var e,r,i=this.data(),s=this.turn("view"),n=this.turn("view",a);if(i.page!=a&&(this.trigger("turning",[a,n]),-1!=t.inArray(1,n)&&this.trigger("first"),-1!=t.inArray(i.totalPages,n)&&this.trigger("last")),i.pageObjs[a]&&(i.tpage=a,this.turn("stop"),x._makeRange.call(this),"single"==i.display?(e=s[0],r=n[0]):s[1]&&a>s[1]?(e=s[1],r=n[0]):s[0]&&as[0]?"br":"bl"):i.pages[e].flip("turnPage")}},page:function(a){a=parseInt(a,10);var e=this.data();return a>0&&a<=e.totalPages?(e.done&&-1==t.inArray(a,this.turn("view"))?x._turnPage.call(this,a):x._fitPage.call(this,a),this):e.page},next:function(){var t=this.data();return this.turn("page",x._view.call(this,t.page).pop()+1)},previous:function(){var t=this.data();return this.turn("page",x._view.call(this,t.page).shift()-1)},_addMotionPage:function(){var a=t(this).data().f.opts,e=a.turn,r=e.data();a.pageMv=a.page,x._addMv.call(e,a.pageMv),r.pagePlace[a.next]=a.page,e.turn("update")},_start:function(a,e,r){var i=e.turn.data(),s=t.Event("start");if(a.stopPropagation(),e.turn.trigger(s,[e,r]),s.isDefaultPrevented())a.preventDefault();else{if("single"==i.display){var n="l"==r.charAt(1);1==e.page&&n||e.page==i.totalPages&&!n?a.preventDefault():n?(e.next=e.nexte.page?e.next:e.page+1}x._addMotionPage.call(this)}},_end:function(a,e){var r=t(this).data().f.opts,i=r.turn,s=i.data();a.stopPropagation(),e||s.tpage?s.tpage!=r.next&&s.tpage!=r.page||(delete s.tpage,x._fitPage.call(i,s.tpage||r.next,!0)):(x._removeMv.call(i,r.pageMv),i.turn("update"))},_pressed:function(){var a,e=t(this).data().f,r=e.opts.turn.data().pages;for(a in r)a!=e.opts.page&&r[a].flip("disable",!0);return e.time=(new Date).getTime()},_released:function(a,e){var r=t(this),i=r.data().f;a.stopPropagation(),((new Date).getTime()-i.time<200||e.x<0||e.x>t(this).width())&&(a.preventDefault(),i.opts.turn.data().tpage=i.opts.next,i.opts.turn.turn("update"),t(r).flip("turnPage"))},_flip:function(){var a=t(this).data().f.opts;a.turn.trigger("turn",[a.next])},calculateZ:function(t){var a,e,r,i,s,n=this,o=this.data(),p=this.turn("view"),h=p[0]||p[1],l={pageZ:{},partZ:{},pageV:{}},g=function(t){var a=n.turn("view",t);a[0]&&(l.pageV[a[0]]=!0),a[1]&&(l.pageV[a[1]]=!0)};for(a=0;a=i||o.y>=n)return!1;if(o.y=n-p))return!1;o.corner="b"}if(o.x<=p)o.corner+="l";else{if(!(o.x>=i-p))return!1;o.corner+="r"}return-1!=t.inArray(o.corner,h)&&o},_c:function(t,a){return{tl:v(a=a||0,a),tr:v(this.width()-a,a),bl:v(a,this.height()-a),br:v(this.width()-a,this.height()-a)}[t]},_c2:function(t){return{tl:v(2*this.width(),0),tr:v(-this.width(),0),bl:v(2*this.width(),this.height()),br:v(-this.width(),this.height())}[t]},_foldingPage:function(t){var a=this.data().f.opts;if(a.folding)return a.folding;if(a.turn){var e=a.turn.data();return"single"==e.display?e.pageObjs[a.next]?e.pageObjs[0]:null:e.pageObjs[a.next]}},_backGradient:function(){var a=this.data().f,e=a.opts.turn,r=a.opts.backGradient&&(!e||"single"==e.data().display||2!=a.opts.page&&a.opts.page!=e.data().totalPages-1);return r&&!a.bshadow&&(a.bshadow=t("",c(0,0,1)).css({position:"",width:this.width(),height:this.height()}).appendTo(a.parent)),r},resize:function(t){var a=this.data().f,e=this.width(),r=this.height(),i=Math.round(Math.sqrt(Math.pow(e,2)+Math.pow(r,2)));t&&(a.wrapper.css({width:i,height:i}),a.fwrapper.css({width:i,height:i}).children(":first-child").css({width:e,height:r}),a.fpage.css({width:r,height:e}),a.opts.frontGradient&&a.ashadow.css({width:r,height:e}),P._backGradient.call(this)&&a.bshadow.css({width:e,height:r})),a.parent.is(":visible")&&(a.fwrapper.css({top:a.parent.offset().top,left:a.parent.offset().left}),a.opts.turn&&a.fparent.css({top:-a.opts.turn.offset().top,left:-a.opts.turn.offset().left})),this.flip("z",a.opts["z-index"])},_addPageWrapper:function(){var a=this.data().f,e=this.parent();if(!a.wrapper){this.css("left"),this.css("top");var r=this.width(),i=this.height();Math.round(Math.sqrt(Math.pow(r,2)+Math.pow(i,2)));if(a.parent=e,a.fparent=a.opts.turn?a.opts.turn.data().fparent:t("#turn-fwrappers"),!a.fparent){var s=t("",{css:{"pointer-events":"none"}}).hide();s.data().flips=0,a.opts.turn?(s.css(c(-a.opts.turn.offset().top,-a.opts.turn.offset().left,"auto","visible").css).appendTo(a.opts.turn),a.opts.turn.data().fparent=s):s.css(c(0,0,"auto","visible").css).attr("id","turn-fwrappers").appendTo(t("body")),a.fparent=s}this.css({position:"absolute",top:0,left:0,bottom:"auto",right:"auto"}),a.wrapper=t("",c(0,0,this.css("z-index"))).appendTo(e).prepend(this),a.fwrapper=t("",c(e.offset().top,e.offset().left)).hide().appendTo(a.fparent),a.fpage=t("",{css:{cursor:"default"}}).appendTo(t("",c(0,0,0,"visible")).appendTo(a.fwrapper)),a.opts.frontGradient&&(a.ashadow=t("",c(0,0,1)).appendTo(a.fpage)),P.setData.call(this,a),P.resize.call(this,!0)}},_fold:function(t){var 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a=this,e=this.data().f;t={corner:e.corner?e.corner.corner:t||P._cAllowed.call(this)[0]};var r=e.point||P._c.call(this,t.corner,e.opts.turn?e.opts.turn.data().opts.elevation:0),i=P._c2.call(this,t.corner);this.trigger("flip").animatef({from:0,to:1,frame:function(e){var s=u(r,r,i,i,e);t.x=s.x,t.y=s.y,P._showFoldedPage.call(a,t)},complete:function(){a.trigger("end",[!0])},duration:e.opts.duration,turning:!0}),e.corner=null},moving:function(){return"effect"in this.data()},isTurning:function(){return this.flip("moving")&&this.data().effect.turning},_eventStart:function(t){var a=this.data().f;if(!a.disabled&&!this.flip("isTurning")){if(a.corner=P._cornerActivated.call(this,t),a.corner&&P._foldingPage.call(this,a.corner))return P._moveFoldingPage.call(this,!0),this.trigger("pressed",[a.point]),!1;a.corner=null}},_eventMove:function(t){var a=this.data().f;if(!a.disabled)if(t=s?t.originalEvent.touches:[t],a.corner){var 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i="double"==e.display?this.width()/2:this.width(),s=this.height();r.css({width:i,height:s}),e.pagePlace[a]=a,e.pageWrap[a]=t("",{class:"turn-page-wrapper",page:a,css:{position:"absolute",overflow:"hidden",width:i,height:s}}).css(v["double"==e.display?a%2:0]),this.append(e.pageWrap[a]),e.pageWrap[a].prepend(e.pageObjs[a])}a&&1!=_._setPageLoc.call(this,a)||_._makeFlip.call(this,a)}else e.pagePlace[a]=0,e.pageObjs[a]&&e.pageObjs[a].remove()},hasPage:function(t){return t in this.data().pageObjs},_makeFlip:function(t){var a=this.data();if(!a.pages[t]&&a.pagePlace[t]==t){var 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a.pageObjs[t],_._movePages.call(this,t,-1),a.totalPages=a.totalPages-1,_._makeRange.call(this),a.page>a.totalPages&&this.turn("page",a.totalPages)),this},_movePages:function(t,a){var e,r=this.data(),i="single"==r.display,s=function(t){var e=t+a,s=e%2;r.pageObjs[t]&&(r.pageObjs[e]=r.pageObjs[t].removeClass("page"+t).addClass("page"+e)),r.pagePlace[t]&&r.pageWrap[t]&&(r.pagePlace[e]=e,r.pageWrap[e]=r.pageWrap[t].css(v[i?0:s]).attr("page",e),r.pages[t]&&(r.pages[e]=r.pages[t].flip("options",{page:e,next:i||s?e+1:e-1,corners:i?"all":s?"forward":"backward"})),a&&(delete r.pages[t],delete r.pagePlace[t],delete r.pageObjs[t],delete r.pageWrap[t],delete r.pageObjs[t]))};if(a>0)for(e=r.totalPages;e>=t;e--)s(e);else for(e=t;e<=r.totalPages;e++)s(e)},display:function(a){var e=this.data(),r=e.display;if(a){if(-1==t.inArray(a,f))throw new Error('"'+a+'" is not a value for display');if("single"==a?e.pageObjs[0]||(this.turn("stop").css({overflow:"hidden"}),e.pageObjs[0]=t("",{class:"turn-page 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t,a=this.data();for(a.pages[0]&&(a.pageWrap[0].css({left:-this.width()}),a.pages[0].flip("resize",!0)),t=1;t<=a.totalPages;t++)a.pages[t]&&a.pages[t].flip("resize",!0)},_removeMv:function(t){var a,e=this.data();for(a=0;a0?e[0]:0,e[1]<=a.totalPages?e[1]:0]:[e[0]>0&&e[0]<=a.totalPages?e[0]:0]},stop:function(t){var a,e,r=this.data(),i=r.pageMv;for(a in r.pageMv=[],r.tpage&&(r.page=r.tpage,delete r.tpage),i)P(a,i)&&(e=r.pages[i[a]].data().f.opts,O._moveFoldingPage.call(r.pages[i[a]],null),r.pages[i[a]].flip("hideFoldedPage"),r.pagePlace[e.next]=e.next,e.force&&(e.next=e.page%2==0?e.page-1:e.page+1,delete e.force));return this.turn("update"),this},pages:function(t){var a=this.data();if(t){if(tt&&this.turn("page",t)}return a.totalPages=t,this}return a.totalPages},_fitPage:function(a,e){var r=this.data(),i=this.turn("view",a);r.page!=a&&(this.trigger("turning",[a,i]),-1!=t.inArray(1,i)&&this.trigger("first"),-1!=t.inArray(r.totalPages,i)&&this.trigger("last")),r.pageObjs[a]&&(r.tpage=a,this.turn("stop",e),_._removeFromDOM.call(this),_._makeRange.call(this),this.trigger("turned",[a,i]))},_turnPage:function(a){var e,r,i=this.data(),s=this.turn("view"),n=this.turn("view",a);if(i.page!=a&&(this.trigger("turning",[a,n]),-1!=t.inArray(1,n)&&this.trigger("first"),-1!=t.inArray(i.totalPages,n)&&this.trigger("last")),i.pageObjs[a]&&(i.tpage=a,this.turn("stop"),_._makeRange.call(this),"single"==i.display?(e=s[0],r=n[0]):s[1]&&a>s[1]?(e=s[1],r=n[0]):s[0]&&as[0]?"br":"bl"):i.pages[e].flip("turnPage")}},page:function(a){a=parseInt(a,10);var e=this.data();return a>0&&a<=e.totalPages?(e.done&&-1==t.inArray(a,this.turn("view"))?_._turnPage.call(this,a):_._fitPage.call(this,a),this):e.page},next:function(){var t=this.data();return this.turn("page",_._view.call(this,t.page).pop()+1)},previous:function(){var t=this.data();return this.turn("page",_._view.call(this,t.page).shift()-1)},_addMotionPage:function(){var a=t(this).data().f.opts,e=a.turn,r=e.data();a.pageMv=a.page,_._addMv.call(e,a.pageMv),r.pagePlace[a.next]=a.page,e.turn("update")},_start:function(a,e,r){var i=e.turn.data(),s=t.Event("start");if(a.stopPropagation(),e.turn.trigger(s,[e,r]),s.isDefaultPrevented())a.preventDefault();else{if("single"==i.display){var n="l"==r.charAt(1);1==e.page&&n||e.page==i.totalPages&&!n?a.preventDefault():n?(e.next=e.nexte.page?e.next:e.page+1}_._addMotionPage.call(this)}},_end:function(a,e){var r=t(this).data().f.opts,i=r.turn,s=i.data();a.stopPropagation(),e||s.tpage?s.tpage!=r.next&&s.tpage!=r.page||(delete s.tpage,_._fitPage.call(i,s.tpage||r.next,!0)):(_._removeMv.call(i,r.pageMv),i.turn("update"))},_pressed:function(){var a,e=t(this).data().f,r=e.opts.turn.data().pages;for(a in r)a!=e.opts.page&&r[a].flip("disable",!0);return e.time=(new Date).getTime()},_released:function(a,e){var r=t(this),i=r.data().f;a.stopPropagation(),((new Date).getTime()-i.time<200||e.x<0||e.x>t(this).width())&&(a.preventDefault(),i.opts.turn.data().tpage=i.opts.next,i.opts.turn.turn("update"),t(r).flip("turnPage"))},_flip:function(){var a=t(this).data().f.opts;a.turn.trigger("turn",[a.next])},calculateZ:function(t){var a,e,r,i,s,n=this,o=this.data(),p=this.turn("view"),h=p[0]||p[1],l={pageZ:{},partZ:{},pageV:{}},d=function(t){var a=n.turn("view",t);a[0]&&(l.pageV[a[0]]=!0),a[1]&&(l.pageV[a[1]]=!0)};for(a=0;a=i||o.y>=n)return!1;if(o.y=n-p))return!1;o.corner="b"}if(o.x<=p)o.corner+="l";else{if(!(o.x>=i-p))return!1;o.corner+="r"}return-1!=t.inArray(o.corner,h)&&o},_c:function(t,a){return{tl:b(a=a||0,a),tr:b(this.width()-a,a),bl:b(a,this.height()-a),br:b(this.width()-a,this.height()-a)}[t]},_c2:function(t){return{tl:b(2*this.width(),0),tr:b(-this.width(),0),bl:b(2*this.width(),this.height()),br:b(-this.width(),this.height())}[t]},_foldingPage:function(t){var a=this.data().f.opts;if(a.folding)return a.folding;if(a.turn){var e=a.turn.data();return"single"==e.display?e.pageObjs[a.next]?e.pageObjs[0]:null:e.pageObjs[a.next]}},_backGradient:function(){var a=this.data().f,e=a.opts.turn,r=a.opts.backGradient&&(!e||"single"==e.data().display||2!=a.opts.page&&a.opts.page!=e.data().totalPages-1);return r&&!a.bshadow&&(a.bshadow=t("",w(0,0,1)).css({position:"",width:this.width(),height:this.height()}).appendTo(a.parent)),r},resize:function(t){var a=this.data().f,e=this.width(),r=this.height(),i=Math.round(Math.sqrt(Math.pow(e,2)+Math.pow(r,2)));t&&(a.wrapper.css({width:i,height:i}),a.fwrapper.css({width:i,height:i}).children(":first-child").css({width:e,height:r}),a.fpage.css({width:r,height:e}),a.opts.frontGradient&&a.ashadow.css({width:r,height:e}),O._backGradient.call(this)&&a.bshadow.css({width:e,height:r})),a.parent.is(":visible")&&(a.fwrapper.css({top:a.parent.offset().top,left:a.parent.offset().left}),a.opts.turn&&a.fparent.css({top:-a.opts.turn.offset().top,left:-a.opts.turn.offset().left})),this.flip("z",a.opts["z-index"])},_addPageWrapper:function(){var a=this.data().f,e=this.parent();if(!a.wrapper){this.css("left"),this.css("top");var r=this.width(),i=this.height();Math.round(Math.sqrt(Math.pow(r,2)+Math.pow(i,2)));if(a.parent=e,a.fparent=a.opts.turn?a.opts.turn.data().fparent:t("#turn-fwrappers"),!a.fparent){var s=t("",{css:{"pointer-events":"none"}}).hide();s.data().flips=0,a.opts.turn?(s.css(w(-a.opts.turn.offset().top,-a.opts.turn.offset().left,"auto","visible").css).appendTo(a.opts.turn),a.opts.turn.data().fparent=s):s.css(w(0,0,"auto","visible").css).attr("id","turn-fwrappers").appendTo(t("body")),a.fparent=s}this.css({position:"absolute",top:0,left:0,bottom:"auto",right:"auto"}),a.wrapper=t("",w(0,0,this.css("z-index"))).appendTo(e).prepend(this),a.fwrapper=t("",w(e.offset().top,e.offset().left)).hide().appendTo(a.fparent),a.fpage=t("",{css:{cursor:"default"}}).appendTo(t("",w(0,0,0,"visible")).appendTo(a.fwrapper)),a.opts.frontGradient&&(a.ashadow=t("",w(0,0,1)).appendTo(a.fpage)),O.setData.call(this,a),O.resize.call(this,!0)}},_fold:function(t){var a,e,s,n,o,p,h=this,l=0,d=0,g=b(0,0),f=b(0,0),c=b(0,0),u=this.width(),v=this.height(),w=O._foldingPage.call(this),m=(Math.tan(d),this.data().f),P=m.opts.acceleration,_=m.wrapper.height(),j=O._c.call(this,t.corner),W="t"==t.corner.substr(0,1),z="l"==t.corner.substr(1,1),k=function(){var w,y=b(j.x?j.x-t.x:t.x,j.y?j.y-t.y:t.y),x=Math.atan2(y.y,y.x);l=(d=i-x)/r*180,w=b(z?u-y.x/2:t.x+y.x/2,y.y/2);var P=d-Math.atan2(w.y,w.x),M=Math.max(0,Math.sin(P)*Math.sqrt(Math.pow(w.x,2)+Math.pow(w.y,2)));if(c=b(M*Math.sin(d),M*Math.cos(d)),d>i&&(c.x=c.x+Math.abs(c.y*Math.tan(x)),c.y=0,Math.round(c.x*Math.tan(r-d))i){var D=r-d,F=_-v/Math.sin(D);g=b(Math.round(F*Math.cos(D)),Math.round(F*Math.sin(D))),z&&(g.x=-g.x),W&&(g.y=-g.y)}a=Math.round(c.y/Math.tan(d)+c.x);var A=u-a,T=A*Math.cos(2*d),G=A*Math.sin(2*d);f=b(Math.round(z?A-T:a+T),Math.round(W?G:v-G)),o=A*Math.sin(d);var q=O._c2.call(h,t.corner),E=Math.sqrt(Math.pow(q.x-t.x,2)+Math.pow(q.y-t.y,2));return p=E100?(o-100)/o:0,e=b(o*Math.sin(i-d)/v*100,o*Math.cos(i-d)/u*100),W&&(e.y=100-e.y),z&&(e.x=100-e.x)),O._backGradient.call(h)&&(s=b(o*Math.sin(d)/u*100,o*Math.cos(d)/v*100),z||(s.x=100-s.x),W||(s.y=100-s.y)),c.x=Math.round(c.x),c.y=Math.round(c.y),!0},D=function(t,a,r,i){var o=["0","auto"],l=(u-_)*r[0]/100,d=(v-_)*r[1]/100,c={left:o[a[0]],top:o[a[1]],right:o[a[2]],bottom:o[a[3]]},w=90!=i&&-90!=i?z?-1:1:0;r=r[0]+"% 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s.fwrapper.is(":visible")||(s.fparent.show().data().flips++,O._moveFoldingPage.call(this,!0),s.fwrapper.show(),s.bshadow&&s.bshadow.show()),!0}return!1},hide:function(){var t=this.data().f,a=O._foldingPage.call(this);return 0===--t.fparent.data().flips&&t.fparent.hide(),this.css({left:0,top:0,right:"auto",bottom:"auto"}).transform("","0% 100%"),t.wrapper.transform("","0% 100%"),t.fwrapper.hide(),t.bshadow&&t.bshadow.hide(),a.transform("","0% 0%"),this},hideFoldedPage:function(t){var a=this.data().f;if(a.point){var e=this,r=a.point,i=function(){a.point=null,e.flip("hide"),e.trigger("end",[!1])};if(t){var s=O._c.call(this,r.corner),n="t"==r.corner.substr(0,1)?Math.min(0,r.y-s.y)/2:Math.max(0,r.y-s.y)/2,o=b(r.x,r.y+n),p=b(s.x,s.y-n);this.animatef({from:0,to:1,frame:function(t){var a=m(r,o,p,s,t);r.x=a.x,r.y=a.y,O._fold.call(e,r)},complete:i,duration:800,hiding:!0})}else this.animatef(!1),i()}},turnPage:function(t){var a=this,e=this.data().f;t={corner:e.corner?e.corner.corner:t||O._cAllowed.call(this)[0]};var r=e.point||O._c.call(this,t.corner,e.opts.turn?e.opts.turn.data().opts.elevation:0),i=O._c2.call(this,t.corner);this.trigger("flip").animatef({from:0,to:1,frame:function(e){var s=m(r,r,i,i,e);t.x=s.x,t.y=s.y,O._showFoldedPage.call(a,t)},complete:function(){a.trigger("end",[!0])},duration:e.opts.duration,turning:!0}),e.corner=null},moving:function(){return"effect"in this.data()},isTurning:function(){return this.flip("moving")&&this.data().effect.turning},_eventStart:function(t){var a=this.data().f;if(!a.disabled&&!this.flip("isTurning")){if(a.corner=O._cornerActivated.call(this,t),a.corner&&O._foldingPage.call(this,a.corner))return O._moveFoldingPage.call(this,!0),this.trigger("pressed",[a.point]),!1;a.corner=null}},_eventMove:function(t){var a=this.data().f;if(!a.disabled)if(t=s?t.originalEvent.touches:[t],a.corner){var e=a.parent.offset();a.corner.x=t[0].pageX-e.left,a.corner.y=t[0].pageY-e.top,O._showFoldedPage.call(this,a.corner)}else if(!this.data().effect&&this.is(":visible")){var r=O._cornerActivated.call(this,t[0]);if(r){var i=O._c.call(this,r.corner,a.opts.cornerSize/2);r.x=i.x,r.y=i.y,O._showFoldedPage.call(this,r,!0)}else O.hideFoldedPage.call(this,!0)}},_eventEnd:function(){var a=this.data().f;if(!a.disabled&&a.point){var e=t.Event("released");this.trigger(e,[a.point]),e.isDefaultPrevented()||O.hideFoldedPage.call(this,!0)}a.corner=null},disable:function(t){return O.setData.call(this,{disabled:t}),this}},j=function(t,a,e){if(e[0]&&"object"!=typeof e[0]){if(a[e[0]]&&"_"!=e[0].toString().substr(0,1))return a[e[0]].apply(t,Array.prototype.slice.call(e,1));throw e[0]+" is an invalid value"}return a.init.apply(t,e)};t.extend(t.fn,{flip:function(t,a){return j(this,O,arguments)},turn:function(t){return j(this,_,arguments)},transform:function(t,a){var r={};return a&&(r[e+"transform-origin"]=a),r[e+"transform"]=t,this.css(r)},animatef:function(t){var a=this.data();if(a.effect&&h(a.effect.handle),t){t.to.length||(t.to=[t.to]),t.from.length||(t.from=[t.from]),t.easing||(t.easing=function(t,a,e,r,i){return r*Math.sqrt(1-(a=a/i-1)*a)+e});var e,r=[],i=t.to.length,s=this,n=o(),l=function(e){if(s.data().effect===t){e=e||o();var h,d=Math.min(t.duration,Math.max(0,e-n)),g=[];for(h=0;h