browserify and closure compiler JS compile speed (v6)

Revision 6 of this benchmark created on January 13, 2016

Preparation HTML

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i=t[e];e<t.length-1?ze.assert(i.mediaQuery,"All options except for the last must have a media condition"):ze.assert(!i.mediaQuery,"The last option must not have a media condition")}};as.prototype.select=function(t){for(var e=0;e<this.sizes_.length-1;e++){var i=this.sizes_[e];if(t.matchMedia(i.mediaQuery).matches)return i.size}return this.getLast()},as.prototype.getLast=function(){return this.sizes_[this.sizes_.length-1].size},ss.parseSizeList=Xt,ss.SizeList=as;var us={};us.exponentialBackoff=$t;var ls={},hs=us.exponentialBackoff(1.5);ls.reportError=Kt,ls.installErrorReporting=Zt,ls.getErrorReportUrl=te;var cs={},ps="Input",ds=3,fs=300,ms=function(t){this.win=t,this.boundOnKeyDown_=this.onKeyDown_.bind(this),this.boundOnMouseDown_=this.onMouseDown_.bind(this),this.boundOnMouseMove_=this.onMouseMove_.bind(this),this.boundMouseCanceled_=this.mouseCanceled_.bind(this),this.boundMouseConfirmed_=this.mouseConfirmed_.bind(this),this.hasTouch_="ontouchstart"in t||void 0!==t.navigator.maxTouchPoints&&0<t.navigator.maxTouchPoints||void 0!==t.DocumentTouch,Ke.log.fine(ps,"touch detected:",this.hasTouch_),this.keyboardActive_=!1,this.win.document.addEventListener("keydown",this.boundOnKeyDown_),this.win.document.addEventListener("mousedown",this.boundOnMouseDown_),this.hasMouse_=!0,this.mouseConfirmAttemptCount_=0,this.touchDetectedObservable_=new vi,this.mouseDetectedObservable_=new vi,this.keyboardStateObservable_=new vi,this.hasTouch_&&(this.hasMouse_=!this.hasTouch_,Ai.listenOnce(t.document,"mousemove",this.boundOnMouseMove_))};ms.prototype.cleanup_=function(){this.win.document.removeEventListener("keydown",this.boundOnKeyDown_),this.win.document.removeEventListener("mousedown",this.boundOnMouseDown_)},ms.prototype.isTouchDetected=function(){return this.hasTouch_},ms.prototype.onTouchDetected=function(t,e){return e&&t(this.isTouchDetected()),this.touchDetectedObservable_.add(t)},ms.prototype.isMouseDetected=function(){return this.hasMouse_},ms.prototype.onMouseDetected=function(t,e){return e&&t(this.isMouseDetected()),this.mouseDetectedObservable_.add(t)},ms.prototype.isKeyboardActive=function(){return this.keyboardActive_},ms.prototype.onKeyboardStateChanged=function(t,e){return e&&t(this.isKeyboardActive()),this.keyboardStateObservable_.add(t)},ms.prototype.onKeyDown_=function(t){this.keyboardActive_||t.defaultPrevented||(t=t.target,t&&("INPUT"==t.tagName||"TEXTAREA"==t.tagName||"SELECT"==t.tagName||"OPTION"==t.tagName||t.hasAttribute("contenteditable")))||(this.keyboardActive_=!0,this.keyboardStateObservable_.fire(!0),Ke.log.fine(ps,"keyboard activated"))},ms.prototype.onMouseDown_=function(){this.keyboardActive_&&(this.keyboardActive_=!1,this.keyboardStateObservable_.fire(!1),Ke.log.fine(ps,"keyboard deactivated"))},ms.prototype.onMouseMove_=function(){return Ai.listenOncePromise(this.win.document,"click",!1,fs).then(this.boundMouseCanceled_,this.boundMouseConfirmed_)},ms.prototype.mouseConfirmed_=function(){this.hasMouse_=!0,this.mouseDetectedObservable_.fire(!0),Ke.log.fine(ps,"mouse detected")},ms.prototype.mouseCanceled_=function(){this.mouseConfirmAttemptCount_++,this.mouseConfirmAttemptCount_<=ds?Ai.listenOnce(this.win.document,"mousemove",this.boundOnMouseMove_):Ke.log.fine(ps,"mouse detection failed")},cs.Input=ms,cs.inputFor=ee;var _s={},gs=function(t,e){var i=this;this.win=t,this.purgeTimeout_=e,this.history_=[],this.observeFocus_=new vi,this.captureFocus_=function(t){t.target&&i.pushFocus_(t.target)},this.captureBlur_=function(t){ui.timer.delay(function(){i.pushFocus_(i.win.document.activeElement)},500)},this.win.document.addEventListener("focus",this.captureFocus_,!0),this.win.addEventListener("blur",this.captureBlur_)};gs.prototype.cleanup_=function(){this.win.document.removeEventListener("focus",this.captureFocus_,!0),this.win.removeEventListener("blur",this.captureBlur_)},gs.prototype.onFocus=function(t){return this.observeFocus_.add(t)},gs.prototype.pushFocus_=function(t){var e=ui.timer.now();0==this.history_.length||this.history_[this.history_.length-1].el!=t?this.history_.push({el:t,time:e}):this.history_[this.history_.length-1].time=e,this.purgeBefore(e-this.purgeTimeout_),this.observeFocus_.fire(t)},gs.prototype.getLast=function(){return 0==this.history_.length?null:this.history_[this.history_.length-1].el},gs.prototype.purgeBefore=function(t){for(var e=this.history_.length-1,i=0;i<this.history_.length;i++)if(this.history_[i].time>=t){e=i-1;break}-1!=e&&this.history_.splice(0,e+1)},gs.prototype.hasDescendantsOf=function(t){this.win.document.activeElement&&this.pushFocus_(this.win.document.activeElement);for(var e=0;e<this.history_.length;e++)if(t.contains(this.history_[e].el))return!0;return!1},_s.FocusHistory=gs;var ys={},vs="Resources",bs="__AMP__RESOURCE",ws="__AMP__OWNER",Ss="L",Es=0,Ts="P",As=2,Cs=10,Ls=1e3,Os=1e3,Is=500,ks=6e4,Ps=function(t){var e=this;this.win=t,this.viewer_=Ge.viewerFor(t),this.isRuntimeOn_=this.viewer_.isRuntimeOn(),this.maxDpr_=this.win.devicePixelRatio||1,this.resourceIdCounter_=0,this.resources_=[],this.visible_=this.viewer_.isVisible(),this.prerenderSize_=this.viewer_.getPrerenderSize(),this.documentReady_=!1,this.relayoutAll_=this.firstPassAfterDocumentReady_=!0,this.relayoutTop_=-1,this.forceBuild_=!1,this.lastVelocity_=this.lastScrollTime_=0,this.pass_=new Ui(function(){return e.doPass_()}),this.exec_=new xs,this.queue_=new xs,this.requestsChangeHeight_=[],this.deferredMutates_=[],this.scrollHeight_=0,this.viewport_=Ci.viewportFor(this.win),this.vsync_=Ei.vsyncFor(this.win),this.docState_=bi.documentStateFor(this.win),this.activeHistory_=new gs(this.win,ks),this.vsyncScheduled_=!1,this.viewport_.onChanged(function(t){e.lastScrollTime_=ui.timer.now(),e.lastVelocity_=t.velocity,e.relayoutAll_=e.relayoutAll_||t.relayoutAll,e.schedulePass()}),this.viewport_.onScroll(function(){e.lastScrollTime_=ui.timer.now()}),this.viewer_.onVisibilityChanged(function(){e.schedulePass()}),this.viewer_.onRuntimeState(function(t){Ke.log.fine(vs,"Runtime state:",t),e.isRuntimeOn_=t,e.schedulePass(1)}),this.activeHistory_.onFocus(function(t){e.checkPendingChangeHeight_(t)}),this.docState_.onReady(function(){e.documentReady_=!0,e.forceBuild_=!0,e.relayoutAll_=!0,e.schedulePass(),e.monitorInput_()}),this.schedulePass()};Ps.prototype.get=function(){return this.resources_.slice(0)},Ps.prototype.monitorInput_=function(){var t=this,e=cs.inputFor(this.win);e.onTouchDetected(function(e){t.toggleInputClass_("amp-mode-touch",e)},!0),e.onMouseDetected(function(e){t.toggleInputClass_("amp-mode-mouse",e)},!0),e.onKeyboardStateChanged(function(e){t.toggleInputClass_("amp-mode-keyboard-active",e)},!0)},Ps.prototype.toggleInputClass_=function(t,e){var i=this;this.vsync_.mutate(function(){i.win.document.body.classList.toggle(t,e)})},Ps.prototype.updateScrollHeight_=function(){if(this.win.document.body){var t=this.win.document.body.scrollHeight;t!=this.scrollHeight_&&(this.scrollHeight_=t,this.viewer_.postDocumentResized(this.viewport_.getSize().width,t))}},Ps.prototype.getMaxDpr=function(){return this.maxDpr_},Ps.prototype.getDpr=function(){return this.maxDpr_},Ps.prototype.getResourceForElement=function(t){return ze.assert(t[bs],"Missing resource prop on %s",t)},Ps.prototype.add=function(t){var e=new Ms(++this.resourceIdCounter_,t,this);t.id||(t.id="AMP_"+e.getId()),t[bs]=e,this.resources_.push(e),this.isRuntimeOn_&&(e.build(this.forceBuild_),this.schedulePass()),Ke.log.fine(vs,"element added:",e.debugid)},Ps.prototype.remove=function(t){var e=(t=this.getResourceForElement(t))?this.resources_.indexOf(t):-1;-1!=e&&this.resources_.splice(e,1),Ke.log.fine(vs,"element removed:",t.debugid)},Ps.prototype.upgraded=function(t){t=this.getResourceForElement(t),this.isRuntimeOn_?(t.build(this.forceBuild_),this.schedulePass()):t.onUpgraded_&&t.onUpgraded_(),Ke.log.fine(vs,"element upgraded:",t.debugid)},Ps.prototype.setOwner=function(t,e){ze.assert(e.contains(t),"Owner must contain the element"),t[ws]=e},Ps.prototype.scheduleLayout=function(t,e){this.scheduleLayoutOrPreloadForSubresources_(this.getResourceForElement(t),!0,ne(e))},Ps.prototype.schedulePreload=function(t,e){this.scheduleLayoutOrPreloadForSubresources_(this.getResourceForElement(t),!1,ne(e))},Ps.prototype.updateInViewport=function(t,e,i){this.updateInViewportForSubresources_(this.getResourceForElement(t),ne(e),i)},Ps.prototype.changeHeight=function(t,e,i){this.scheduleChangeHeight_(this.getResourceForElement(t),e,!0,i)},Ps.prototype.attemptChangeHeight=function(t,e,i){this.scheduleChangeHeight_(this.getResourceForElement(t),e,!1,i)},Ps.prototype.deferMutate=function(t,e){this.scheduleDeferredMutate_(this.getResourceForElement(t),e),this.schedulePassVsync()},Ps.prototype.schedulePass=function(t){this.pass_.schedule(t)},Ps.prototype.schedulePassVsync=function(){var t=this;this.vsyncScheduled_||(this.vsyncScheduled_=!0,this.vsync_.mutate(function(){return t.doPass_()}))},Ps.prototype.doPass_=function(){if(this.isRuntimeOn_){var t=this.visible_;this.visible_=this.viewer_.isVisible(),this.prerenderSize_=this.viewer_.getPrerenderSize(),this.documentReady_&&this.firstPassAfterDocumentReady_&&(this.firstPassAfterDocumentReady_=!1,this.viewer_.postDocumentReady(this.viewport_.getSize().width,this.win.document.body.scrollHeight),this.updateScrollHeight_());var e=this.viewport_.getSize(),i=ui.timer.now();Ke.log.fine(vs,"PASS: at "+i+", visible=",this.visible_,", forceBuild=",this.forceBuild_,", relayoutAll=",this.relayoutAll_,", relayoutTop=",this.relayoutTop_,", viewportSize=",e.width,e.height,", prerenderSize=",this.prerenderSize_),this.pass_.cancel(),this.vsyncScheduled_=!1,t&&!this.visible_?(Ke.log.fine(vs,"document become inactive"),this.documentBecameInactive_()):0<e.height&&0<e.width&&(this.hasMutateWork_()&&this.mutateWork_(),this.discoverWork_(),t=this.work_(),this.hasMutateWork_()&&(t=Math.min(t,Is)),this.visible_?(Ke.log.fine(vs,"next pass:",t),this.schedulePass(t),this.updateScrollHeight_()):Ke.log.fine(vs,"document is not visible: no scheduling"))}else Ke.log.fine(vs,"runtime is off")},Ps.prototype.hasMutateWork_=function(){return 0<this.deferredMutates_.length||0<this.requestsChangeHeight_.length},Ps.prototype.mutateWork_=function(){var t=ui.timer.now(),e=this.viewport_.getRect(),i=e.height/10,n=e.height/4,t=.01>Math.abs(this.lastVelocity_)&&t-this.lastScrollTime_>Is||t-this.lastScrollTime_>2*Is;if(0<this.deferredMutates_.length){Ke.log.fine(vs,"deferred mutates:",this.deferredMutates_.length);var o=this.deferredMutates_;this.deferredMutates_=[];for(var r=0;r<o.length;r++)o[r]()}if(0<this.requestsChangeHeight_.length){Ke.log.fine(vs,"change height requests:",this.requestsChangeHeight_.length),o=this.requestsChangeHeight_,this.requestsChangeHeight_=[];for(var r=-1,s=[],a=0;a<o.length;a++){var u=o[a],l=u.resource,h=u.resource.getLayoutBox();if(h.height!=u.newHeight){var c=!1;u.force||!this.visible_?c=!0:this.activeHistory_.hasDescendantsOf(l.element)?c=!0:h.bottom>=e.bottom-n?c=!0:h.bottom<=e.top+i?t?(c=!1,s.push(u)):this.requestsChangeHeight_.push(u):u.newHeight<h.height?c=!1:u.resource.overflowCallback(!0,u.newHeight),c&&(0<=h.top&&(r=-1==r?h.top:Math.min(r,h.top)),u.resource.changeHeight(u.newHeight,u.callback),0<u.newHeight&&u.resource.overflowCallback(!1,u.newHeight))}}if(-1!=r&&(this.relayoutTop_=r),0<s.length){var p=this;this.vsync_.run({measure:function(t){t.scrollHeight=p.viewport_.getScrollHeight(),t.scrollTop=p.viewport_.getScrollTop()},mutate:function(t){var e=-1;s.forEach(function(t){var i=t.resource.getLayoutBox();e=-1==e?i.top:Math.min(e,i.top),t.resource.changeHeight(t.newHeight)}),-1!=e&&(p.relayoutTop_=e);var i=p.viewport_.getScrollHeight();i>t.scrollHeight&&p.viewport_.setScrollTop(t.scrollTop+(i-t.scrollHeight))}})}}},Ps.prototype.checkPendingChangeHeight_=function(t){if(t=ei.closest(t,function(t){return t[bs]})){t=this.getResourceForElement(t);var e=t.getPendingChangeHeight();void 0!==e&&this.scheduleChangeHeight_(t,e,!0)}},Ps.prototype.discoverWork_=function(){var t=ui.timer.now(),e=this.relayoutAll_;this.relayoutAll_=!1;var i=this.relayoutTop_;this.relayoutTop_=-1;for(var n=0,o=0;o<this.resources_.length;o++){var r=this.resources_[o];r.getState()==Rs.NOT_BUILT&&r.build(this.forceBuild_),(r.getState()==Rs.NOT_LAID_OUT||e)&&(r.applySizesAndMediaQuery(),n++)}if(n>0||e||-1!=i)for(n=0;n<this.resources_.length;n++)o=this.resources_[n],o.getState()==Rs.NOT_BUILT||o.hasOwner()||(e||o.getState()==Rs.NOT_LAID_OUT||-1!=i&&o.getLayoutBox().bottom>=i)&&o.measure();if(e=this.viewport_.getRect(),i=void 0,i=this.visible_?Bi.expandLayoutRect(e,.25,2):0<this.prerenderSize_?Bi.expandLayoutRect(e,0,this.prerenderSize_-1):null,e=this.visible_?Bi.expandLayoutRect(e,.25,.25):e,i)for(n=0;n<this.resources_.length;n++)o=this.resources_[n],o.getState()!=Rs.READY_FOR_LAYOUT||o.hasOwner()||o.isDisplayed()&&o.overlaps(i)&&this.scheduleLayoutOrPreload_(o,!0);for(i=0;i<this.resources_.length;i++)n=this.resources_[i],n.hasOwner()||(o=this.visible_&&n.isDisplayed()&&n.overlaps(e),n.isInViewport()!=o&&n.setInViewport(o));if(this.visible_&&0==this.exec_.getSize()&&0==this.queue_.getSize()&&t>this.exec_.getLastDequeueTime()+5e3)for(e=t=0;e<this.resources_.length&&(i=this.resources_[e],!(i.getState()==Rs.READY_FOR_LAYOUT&&!i.hasOwner()&&i.isDisplayed()&&(Ke.log.fine(vs,"idle layout:",i.debugid),this.scheduleLayoutOrPreload_(i,!1),t++,t>=4)));e++);},Ps.prototype.documentBecameInactive_=function(){for(var t=0;t<this.resources_.length;t++)this.resources_[t].documentBecameInactive()},Ps.prototype.work_=function(){var t=ui.timer.now(),e=this.calcTaskScore_.bind(this,this.viewport_.getRect(),Math.sign(this.lastVelocity_)),i=-1,n=this.queue_.peek(e);if(n)do{if(i=this.calcTaskTimeout_(n),Ke.log.fine(vs,"peek from queue:",n.id,"sched at",n.scheduleTime,"score",e(n),"timeout",i),i>16)break;this.queue_.dequeue(n),(i=this.exec_.getTaskById(n.id))?i.promise.then(this.reschedule_.bind(this,n),this.reschedule_.bind(this,n)):(n.promise=n.callback(this.visible_),n.startTime=t,Ke.log.fine(vs,"exec:",n.id,"at",n.startTime),this.exec_.enqueue(n),n.promise.then(this.taskComplete_.bind(this,n,!0),this.taskComplete_.bind(this,n,!1))["catch"](ls.reportError)),n=this.queue_.peek(e),i=-1}while(n);return Ke.log.fine(vs,"queue size:",this.queue_.getSize()),Ke.log.fine(vs,"exec size:",this.exec_.getSize()),i>=0?i:(t=2*(t-this.exec_.getLastDequeueTime()),t=Math.max(Math.min(3e4,t),5e3))},Ps.prototype.calcTaskScore_=function(t,e,i){var n=i.resource.getLayoutBox();return t=Math.floor((n.top-t.top)/t.height),0!=t&&Math.sign(t)!=(e||1)&&(t*=2),t=Math.abs(t),i.priority*Cs+t},Ps.prototype.calcTaskTimeout_=function(t){if(0==this.exec_.getSize())return 0;var e=ui.timer.now(),i=0;return this.exec_.forEach(function(n){i=Math.max(i,Math.max((t.priority-n.priority)*Ls,0)-(e-n.startTime))}),i},Ps.prototype.reschedule_=function(t){this.queue_.getTaskById(t.id)||this.queue_.enqueue(t)},Ps.prototype.taskComplete_=function(t,e,i){return this.exec_.dequeue(t),this.schedulePass(Os),e?void 0:(Ke.log.error(vs,"task failed:",t.id,t.resource.debugid,i),Promise.reject(i))},Ps.prototype.scheduleChangeHeight_=function(t,e,i,n){if(t.resetPendingChangeHeight(),t.getLayoutBox().height!=e){for(var o=null,r=0;r<this.requestsChangeHeight_.length;r++)if(this.requestsChangeHeight_[r].resource==t){o=this.requestsChangeHeight_[r];break}o?(o.newHeight=e,o.force=i||o.force,o.callback=n):this.requestsChangeHeight_.push({resource:t,newHeight:e,force:i,callback:n}),this.schedulePassVsync()}},Ps.prototype.scheduleDeferredMutate_=function(t,e){this.deferredMutates_.push(e)},Ps.prototype.scheduleLayoutOrPreload_=function(t,e,i){ze.assert(t.getState()!=Rs.NOT_BUILT&&t.isDisplayed(),"Not ready for layout: %s (%s)",t.debugid,t.getState()),(this.visible_||t.prerenderAllowed())&&(t.isInViewport()||t.renderOutsideViewport())&&(e?this.schedule_(t,Ss,Es,i||0,t.startLayout.bind(t)):this.schedule_(t,Ts,As,i||0,t.startLayout.bind(t)))},Ps.prototype.scheduleLayoutOrPreloadForSubresources_=function(t,e,i){var n=[];if(this.discoverResourcesForArray_(t,i,function(t){t.getState()!=Rs.NOT_BUILT&&n.push(t)}),0<n.length){var o=this;n.forEach(function(i){i.measure(),i.getState()==Rs.READY_FOR_LAYOUT&&i.isDisplayed()&&o.scheduleLayoutOrPreload_(i,e,t.getPriority())})}},Ps.prototype.schedule_=function(t,e,i,n,o){e=t.debugid+"#"+e,t={id:e,resource:t,priority:Math.max(t.getPriority(),n)+i,callback:o,scheduleTime:ui.timer.now()},Ke.log.fine(vs,"schedule:",t.id,"at",t.scheduleTime),i=this.queue_.getTaskById(e),(!i||t.priority<i.priority)&&(i&&this.queue_.dequeue(i),this.queue_.enqueue(t),this.schedulePass(this.calcTaskTimeout_(t))),t.resource.layoutScheduled()},Ps.prototype.updateInViewportForSubresources_=function(t,e,i){var n=t.isInViewport()&&i;this.discoverResourcesForArray_(t,e,function(t){t.setInViewport(n)})},Ps.prototype.discoverResourcesForArray_=function(t,e,i){var n=this;e.forEach(function(e){ze.assert(t.element.contains(e)),n.discoverResourcesForElement_(e,i)})},Ps.prototype.discoverResourcesForElement_=function(t,e){if(t.classList.contains("-amp-element"))e(this.getResourceForElement(t));else for(var i=t.getElementsByClassName("-amp-element"),n=[],o=0;o<i.length;o++){for(var r=i[o],s=!1,a=0;a<n.length;a++)if(n[a].contains(r)){s=!0;break}s||(n.push(r),e(this.getResourceForElement(r)))}};var Ms=function(t,e,i){this.id_=t,this.element=e,this.debugid=e.tagName.toLowerCase()+"#"+t,this.resources_=i,this.blacklisted_=!1,this.owner_=void 0,this.priority_=ie(e.tagName),this.state_=e.isBuilt()?Rs.NOT_LAID_OUT:Rs.NOT_BUILT,this.layoutCount_=0,this.layoutBox_=Bi.layoutRectLtwh(-1e4,-1e4,0,0),this.isInViewport_=!1};Ms.prototype.getId=function(){return this.id_},Ms.prototype.getOwner=function(){if(void 0===this.owner_){for(var t=this.element;t;t=t.parentElement)if(t[ws]){this.owner_=t[ws];break}void 0===this.owner_&&(this.owner_=null)}return this.owner_},Ms.prototype.hasOwner=function(){return!!this.getOwner()},Ms.prototype.getPriority=function(){return this.priority_},Ms.prototype.getState=function(){return this.state_},Ms.prototype.build=function(t){if(this.blacklisted_||!this.element.isUpgraded())return!1;var e=void 0;try{e=this.element.build(t)}catch(i){Ke.log.error(vs,"failed to build:",this.debugid,i),e=!1,this.blacklisted_=!0}return e?(this.state_=Rs.NOT_LAID_OUT,!0):!1},Ms.prototype.applySizesAndMediaQuery=function(){this.element.applySizesAndMediaQuery()},Ms.prototype.changeHeight=function(t,e){this.element.changeHeight(t),this.state_!=Rs.NOT_BUILT&&(this.state_=Rs.NOT_LAID_OUT),e&&e()},Ms.prototype.overflowCallback=function(t,e){t&&(this.pendingChangeHeight_=e),this.element.overflowCallback(t,e)},Ms.prototype.resetPendingChangeHeight=function(){this.pendingChangeHeight_=void 0},Ms.prototype.getPendingChangeHeight=function(){return this.pendingChangeHeight_},Ms.prototype.measure=function(){if(ze.assert(this.element.isUpgraded(),"Must be upgraded to measure: %s",this.debugid),this.state_!=Rs.NOT_BUILT){var t=this.resources_.viewport_.getLayoutRect(this.element);(this.state_==Rs.NOT_LAID_OUT||this.layoutBox_.top!=t.top||this.layoutBox_.width!=t.width||this.layoutBox_.height!=t.height)&&(this.state_==Rs.NOT_LAID_OUT||this.element.isRelayoutNeeded())&&(this.state_=Rs.READY_FOR_LAYOUT),this.layoutBox_=t,this.element.updateLayoutBox(t)}},Ms.prototype.getLayoutBox=function(){return this.layoutBox_},Ms.prototype.isDisplayed=function(){return 0<this.layoutBox_.height&&0<this.layoutBox_.width},Ms.prototype.overlaps=function(t){return Bi.layoutRectsOverlap(this.layoutBox_,t)},Ms.prototype.prerenderAllowed=function(){return this.element.prerenderAllowed()},Ms.prototype.renderOutsideViewport=function(){return this.element.renderOutsideViewport()},Ms.prototype.layoutScheduled=function(){this.state_=Rs.LAYOUT_SCHEDULED},Ms.prototype.startLayout=function(t){var e=this;if(this.layoutPromise_)return this.layoutPromise_;if(this.state_==Rs.LAYOUT_COMPLETE)return Promise.resolve();if(this.state_==Rs.LAYOUT_FAILED)return Promise.reject("already failed");if(ze.assert(this.state_!=Rs.NOT_BUILT,"Not ready to start layout: %s (%s)",this.debugid,this.state_),!t&&!this.prerenderAllowed())return Ke.log.fine(vs,"layout canceled due to non pre-renderable element:",this.debugid,this.state_),this.state_=Rs.READY_FOR_LAYOUT,Promise.resolve();if(!this.renderOutsideViewport()&&!this.isInViewport())return Ke.log.fine(vs,"layout canceled due to element not being in viewport:",this.debugid,this.state_),this.state_=Rs.READY_FOR_LAYOUT,Promise.resolve();if(this.measure(),!this.isDisplayed())return Ke.log.fine(vs,"layout canceled due to element loosing display:",this.debugid,this.state_),Promise.resolve();if(0<this.layoutCount_&&!this.element.isRelayoutNeeded())return Ke.log.fine(vs,"layout canceled since it wasn't requested:",this.debugid,this.state_),this.state_=Rs.LAYOUT_COMPLETE,Promise.resolve();Ke.log.fine(vs,"start layout:",this.debugid,"count:",this.layoutCount_),this.layoutCount_++,this.state_=Rs.LAYOUT_SCHEDULED,t=void 0;try{t=this.element.layoutCallback()}catch(i){return Promise.reject(i)}return this.layoutPromise_=t.then(function(){return e.layoutComplete_(!0)},function(t){return e.layoutComplete_(!1,t)})},Ms.prototype.layoutComplete_=function(t,e){return this.layoutPromise_=null,this.state_=t?Rs.LAYOUT_COMPLETE:Rs.LAYOUT_FAILED,t?void Ke.log.fine(vs,"layout complete:",this.debugid):(Ke.log.fine(vs,"loading failed:",this.debugid,e),
Promise.reject(e))},Ms.prototype.isInViewport=function(){return this.isInViewport_},Ms.prototype.setInViewport=function(t){t!=this.isInViewport_&&(Ke.log.fine(vs,"inViewport:",this.debugid,t),this.isInViewport_=t,this.element.viewportCallback(t))},Ms.prototype.documentBecameInactive=function(){this.state_!=Rs.NOT_BUILT&&(this.isInViewport()&&this.setInViewport(!1),this.element.documentInactiveCallback()&&(this.state_=Rs.NOT_LAID_OUT))},Ms.prototype.forceAll=function(){var t=this;ze.assert(!this.resources_.isRuntimeOn_);var e=Promise.resolve();if(this.state_==Rs.NOT_BUILT){var i=this;if(!this.element.isUpgraded())var n=this,e=e.then(function(){return new Promise(function(t){n.onUpgraded_=t})});e=e.then(function(){i.onUpgraded_=void 0,i.build(!0)})}return e.then(function(){if(t.applySizesAndMediaQuery(),t.measure(),t.layoutPromise_)return t.layoutPromise_;if(t.state_==Rs.LAYOUT_COMPLETE||t.state_==Rs.LAYOUT_FAILED||0<t.layoutCount_||!t.isDisplayed())return Promise.resolve();t.layoutCount_++;try{return t.element.layoutCallback()}catch(e){return Promise.reject(e)}})};var xs=function(){this.tasks_=[],this.taskIdMap_={},this.lastDequeueTime_=this.lastEnqueueTime_=0};xs.prototype.getSize=function(){return this.tasks_.length},xs.prototype.getLastEnqueueTime=function(){return this.lastEnqueueTime_},xs.prototype.getLastDequeueTime=function(){return this.lastDequeueTime_},xs.prototype.getTaskById=function(t){return this.taskIdMap_[t]||null},xs.prototype.enqueue=function(t){ze.assert(!this.taskIdMap_[t.id],"Task already enqueued: %s",t.id),this.tasks_.push(t),this.taskIdMap_[t.id]=t,this.lastEnqueueTime_=ui.timer.now()},xs.prototype.dequeue=function(t){var e=this.taskIdMap_[t.id];return e?(this.tasks_.splice(this.tasks_.indexOf(e),1),delete this.taskIdMap_[t.id],this.lastDequeueTime_=ui.timer.now(),!0):!1},xs.prototype.peek=function(t){for(var e=1e6,i=null,n=0;n<this.tasks_.length;n++){var o=this.tasks_[n],r=t(o);e>r&&(e=r,i=o)}return i},xs.prototype.forEach=function(t){this.tasks_.forEach(t)};var Rs={NOT_BUILT:0,NOT_LAID_OUT:1,READY_FOR_LAYOUT:2,LAYOUT_SCHEDULED:3,LAYOUT_COMPLETE:4,LAYOUT_FAILED:5};ys.getElementPriority=ie,ys.Resources=Ps,ys.Resource=Ms,ys.TaskQueue_=xs,ys.ResourceState_=Rs,ys.resourcesFor=oe;var Ds={};Ds.createLoaderElement=re;var Vs={},Fs=function(t){this.element=t,this.layout_=xi.Layout.NODISPLAY,this.layoutWidth_=-1,this.inViewport_=!1,this.actionMap_=this.getWin().Object.create(null),this.preconnect=ji.preconnectFor(this.getWin()),this.resources_=ys.resourcesFor(this.getWin())};Fs.prototype.getLayout=function(){return this.layout_},Fs.prototype.getWin=function(){return this.element.ownerDocument.defaultView},Fs.prototype.getVsync=function(){return Ei.vsyncFor(this.getWin())},Fs.prototype.getLayoutWidth=function(){return this.layoutWidth_},Fs.prototype.isLayoutSupported=function(t){return t==xi.Layout.NODISPLAY},Fs.prototype.isInViewport=function(){return this.inViewport_},Fs.prototype.createdCallback=function(){},Fs.prototype.firstAttachedCallback=function(){},Fs.prototype.isReadyToBuild=function(){return!0},Fs.prototype.buildCallback=function(){},Fs.prototype.preconnectCallback=function(){},Fs.prototype.setAsOwner=function(t){this.resources_.setOwner(t,this.element)},Fs.prototype.prerenderAllowed=function(){return!1},Fs.prototype.renderOutsideViewport=function(){return!0},Fs.prototype.isRelayoutNeeded=function(){return!1},Fs.prototype.layoutCallback=function(){return Promise.resolve()},Fs.prototype.firstLayoutCompleted=function(){this.togglePlaceholder(!1)},Fs.prototype.viewportCallback=function(t){},Fs.prototype.documentInactiveCallback=function(){return!1},Fs.prototype.activate=function(t){},Fs.prototype.registerAction=function(t,e){this.actionMap_[t]=e},Fs.prototype.executeAction=function(t,e){if("activate"==t.method)this.activate(t);else{var i=this.actionMap_[t.method];if(!i)throw Error("Method not found: "+t.method);i(t)}},Fs.prototype.getMaxDpr=function(){return this.resources_.getMaxDpr()},Fs.prototype.getDpr=function(){return this.resources_.getDpr()},Fs.prototype.propagateAttributes=function(t,e){for(var i=0;i<t.length;i++){var n=t[i];this.element.hasAttribute(n)&&e.setAttribute(n,this.element.getAttribute(n))}},Fs.prototype.getPlaceholder=function(){return this.element.getPlaceholder()},Fs.prototype.togglePlaceholder=function(t){this.element.togglePlaceholder(t)},Fs.prototype.getFallback=function(){return this.element.getFallback()},Fs.prototype.toggleFallback=function(t){this.element.toggleFallback(t)},Fs.prototype.getOverflowElement=function(){return this.element.getOverflowElement()},Fs.prototype.getRealChildNodes=function(){return this.element.getRealChildNodes()},Fs.prototype.getRealChildren=function(){return this.element.getRealChildren()},Fs.prototype.applyFillContent=function(t,e){t.classList.add("-amp-fill-content"),e&&t.classList.add("-amp-replaced-content")},Fs.prototype.getViewport=function(){return Ci.viewportFor(this.getWin())},Fs.prototype.scheduleLayout=function(t){this.resources_.scheduleLayout(this.element,t)},Fs.prototype.schedulePreload=function(t){this.resources_.schedulePreload(this.element,t)},Fs.prototype.updateInViewport=function(t,e){this.resources_.updateInViewport(this.element,t,e)},Fs.prototype.changeHeight=function(t,e){this.resources_.changeHeight(this.element,t,e)},Fs.prototype.attemptChangeHeight=function(t,e){this.resources_.attemptChangeHeight(this.element,t,e)},Fs.prototype.deferMutate=function(t){this.resources_.deferMutate(this.element,t)},Fs.prototype.requestFullOverlay=function(){Ge.viewerFor(this.getWin()).requestFullOverlay()},Fs.prototype.cancelFullOverlay=function(){Ge.viewerFor(this.getWin()).cancelFullOverlay()},Fs.prototype.onLayoutMeasure=function(){},Vs.BaseElement=Fs;var Ns={},Hs=[],Us=function(t){Fs.call(this,t),Hs.push(this)};Be.inherits(Us,Fs),Us.prototype.isLayoutSupported=function(t){return!0},Ns.stubbedElements=Hs,Ns.ElementStub=Us;var Bs={},zs="CustomElement",qs=100,Ws=1e3,js={},Ys="content"in document.createElement("template");Bs.upgradeOrRegisterElement=se,Bs.stubElements=ae,Bs.applyLayout_=ue,Bs.createAmpElementProto=he,Bs.registerElement=ce;var Qs={};Qs.registerExtendedElement=pe;var Gs={},Xs="Viewer",$s="__AMP__",Ks={NATURAL:"natural",VIRTUAL:"virtual",NATURAL_IOS_EMBED:"natural-ios-embed"},Zs={VISIBLE:"visible",HIDDEN:"hidden"},Js=function(t){var e=this;this.win=t,this.isEmbedded_=this.win.parent&&this.win.parent!=this.win,this.docState_=bi.documentStateFor(window),this.isRuntimeOn_=!0,this.overtakeHistory_=!1,this.visibilityState_=Zs.VISIBLE,this.prerenderSize_=1,this.viewportType_=Ks.NATURAL,this.paddingTop_=this.scrollTop_=this.viewportHeight_=this.viewportWidth_=0,this.runtimeOnObservable_=new vi,this.visibilityObservable_=new vi,this.viewportObservable_=new vi,this.historyPoppedObservable_=new vi,this.messageDeliverer_=null,this.messageQueue_=[],this.params_={},this.whenVisibleResolve_=null,this.whenVisiblePromise_=new Promise(function(t){e.whenVisibleResolve_=t}),this.win.name&&0==this.win.name.indexOf($s)&&de(this.win.name.substring($s.length),this.params_),this.win.location.hash&&de(this.win.location.hash,this.params_),Ke.log.fine(Xs,"Viewer params:",this.params_),this.isRuntimeOn_=!parseInt(this.params_.off,10),Ke.log.fine(Xs,"- runtimeOn:",this.isRuntimeOn_),this.overtakeHistory_=parseInt(this.params_.history,10)||this.overtakeHistory_,Ke.log.fine(Xs,"- history:",this.overtakeHistory_),this.visibilityState_=this.params_.visibilityState||this.visibilityState_,Ke.log.fine(Xs,"- visibilityState:",this.visibilityState_),this.prerenderSize_=parseInt(this.params_.prerenderSize,10)||this.prerenderSize_,Ke.log.fine(Xs,"- prerenderSize:",this.prerenderSize_),this.viewportType_=this.params_.viewportType||this.viewportType_,this.viewportType_==Ks.NATURAL&&this.isEmbedded_&&zi.platform.isIos()&&(this.viewportType_=Ks.NATURAL_IOS_EMBED),Ke.log.fine(Xs,"- viewportType:",this.viewportType_),this.viewportWidth_=parseInt(this.params_.width,10)||this.viewportWidth_,Ke.log.fine(Xs,"- viewportWidth:",this.viewportWidth_),this.viewportHeight_=parseInt(this.params_.height,10)||this.viewportHeight_,Ke.log.fine(Xs,"- viewportHeight:",this.viewportHeight_),this.scrollTop_=parseInt(this.params_.scrollTop,10)||this.scrollTop_,Ke.log.fine(Xs,"- scrollTop:",this.scrollTop_),this.paddingTop_=parseInt(this.params_.paddingTop,10)||this.paddingTop_,Ke.log.fine(Xs,"- padding-top:",this.paddingTop_),this.docState_.onVisibilityChanged(this.onVisibilityChange_.bind(this)),this.isEmbedded_&&(t=qe.removeFragment(this.win.location.href),t!=this.win.location.href&&this.win.history.replaceState&&(this.win.history.replaceState({},"",t),Ke.log.fine(Xs,"replace url:"+this.win.location.href))),this.onVisibilityChange_()};Js.prototype.onVisibilityChange_=function(){this.isVisible()&&this.whenVisibleResolve_(),this.visibilityObservable_.fire()},Js.prototype.getParam=function(t){return this.params_[t]},Js.prototype.isEmbedded=function(){return this.isEmbedded_},Js.prototype.isRuntimeOn=function(){return this.isRuntimeOn_},Js.prototype.toggleRuntime=function(){this.isRuntimeOn_=!this.isRuntimeOn_,Ke.log.fine(Xs,"Runtime state:",this.isRuntimeOn_),this.runtimeOnObservable_.fire(this.isRuntimeOn_)},Js.prototype.onRuntimeState=function(t){return this.runtimeOnObservable_.add(t)},Js.prototype.isOvertakeHistory=function(){return this.overtakeHistory_},Js.prototype.getVisibilityState=function(){return this.visibilityState_},Js.prototype.isVisible=function(){return this.visibilityState_==Zs.VISIBLE&&!this.docState_.isHidden()},Js.prototype.whenVisible=function(){return this.whenVisiblePromise_},Js.prototype.getPrerenderSize=function(){return this.prerenderSize_},Js.prototype.getViewportType=function(){return this.viewportType_},Js.prototype.getViewportWidth=function(){return this.viewportWidth_},Js.prototype.getViewportHeight=function(){return this.viewportHeight_},Js.prototype.getScrollTop=function(){return this.scrollTop_},Js.prototype.getPaddingTop=function(){return this.paddingTop_},Js.prototype.onVisibilityChanged=function(t){return this.visibilityObservable_.add(t)},Js.prototype.onViewportEvent=function(t){return this.viewportObservable_.add(t)},Js.prototype.onHistoryPoppedEvent=function(t){return this.historyPoppedObservable_.add(t)},Js.prototype.postDocumentReady=function(t,e){this.sendMessage_("documentLoaded",{width:t,height:e},!1)},Js.prototype.postDocumentResized=function(t,e){this.sendMessage_("documentResized",{width:t,height:e},!1)},Js.prototype.requestFullOverlay=function(){return this.sendMessage_("requestFullOverlay",{},!0)},Js.prototype.cancelFullOverlay=function(){return this.sendMessage_("cancelFullOverlay",{},!0)},Js.prototype.postPushHistory=function(t){return this.sendMessage_("pushHistory",{stackIndex:t},!0)},Js.prototype.postPopHistory=function(t){return this.sendMessage_("popHistory",{stackIndex:t},!0)},Js.prototype.getBaseCid=function(){return this.sendMessage_("cid",void 0,!0)},Js.prototype.receiveMessage=function(t,e,i){if("viewport"==t)void 0!==e.width&&(this.viewportWidth_=e.width),void 0!==e.height&&(this.viewportHeight_=e.height),void 0!==e.paddingTop&&(this.paddingTop_=e.paddingTop),void 0!==e.scrollTop&&(this.scrollTop_=e.scrollTop),this.viewportObservable_.fire();else{if("historyPopped"==t)return this.historyPoppedObservable_.fire({newStackIndex:e.newStackIndex}),Promise.resolve();if("visibilitychange"==t)return void 0!==e.state&&(this.visibilityState_=e.state),void 0!==e.prerenderSize&&(this.prerenderSize_=e.prerenderSize),Ke.log.fine(Xs,"visibilitychange event:",this.visibilityState_,this.prerenderSize_),this.onVisibilityChange_(),Promise.resolve();Ke.log.fine(Xs,"unknown message:",t)}},Js.prototype.setMessageDeliverer=function(t){if(ze.assert(!this.messageDeliverer_,"message deliverer can only be set once"),this.messageDeliverer_=t,0<this.messageQueue_.length){var e=this;t=this.messageQueue_.slice(0),this.messageQueue_=[],t.forEach(function(t){e.messageDeliverer_(t.eventType,t.data,!1)})}},Js.prototype.sendMessage_=function(t,e,i){if(this.messageDeliverer_)return this.messageDeliverer_(t,e,i);for(var n=null,o=0;o<this.messageQueue_.length;o++)if(this.messageQueue_[o].eventType==t){n=this.messageQueue_[o];break}return n?n.data=e:this.messageQueue_.push({eventType:t,data:e}),i?Promise.resolve():void 0};Gs.ViewportType=Ks,Gs.VisibilityState=Zs,Gs.Viewer=Js,Gs.parseParams_=de,Gs.installViewerService=fe;var ta={},ea=16,ia=function(t,e){var i=this;this.win=t,this.viewer_=e,this.raf_=this.getRaf_(),this.tasks_=[],this.states_=[],this.scheduled_=!1,this.boundRunScheduledTasks_=this.runScheduledTasks_.bind(this),this.pass_=new Ui(this.boundRunScheduledTasks_,ea),this.viewer_.onVisibilityChanged(function(){i.scheduled_&&i.forceSchedule_()})};ia.prototype.run=function(t,e){this.tasks_.push(t),this.states_.push(e||{}),this.schedule_()},ia.prototype.createTask=function(t){var e=this;return function(i){e.run(t,i)}},ia.prototype.mutate=function(t){this.run({mutate:t})},ia.prototype.mutatePromise=function(t){var e=this;return new Promise(function(i){e.mutate(function(){t(),i()})})},ia.prototype.measure=function(t){this.run({measure:t})},ia.prototype.measurePromise=function(t){var e=this;return new Promise(function(i){e.measure(function(){i(t())})})},ia.prototype.canAnimate=function(){return this.viewer_.isVisible()},ia.prototype.runAnim=function(t,e){return this.canAnimate()?(this.run(t,e),!0):(Ke.log.warn("Vsync","Did not schedule a vsync request, because document was invisible"),!1)},ia.prototype.createAnimTask=function(t){var e=this;return function(i){return e.runAnim(t,i)}},ia.prototype.runAnimMutateSeries=function(t,e){var i=this;return this.canAnimate()?new Promise(function(n,o){var r=ui.timer.now(),s=0,a=i.createAnimTask({mutate:function(i){var u=ui.timer.now()-r;t(u,u-s,i)?e&&u>e?o("timeout"):(s=u,a(i)):n()}});a({})}):Promise.reject()},ia.prototype.schedule_=function(){this.scheduled_||(this.scheduled_=!0,this.forceSchedule_())},ia.prototype.forceSchedule_=function(){this.canAnimate()?this.raf_(this.boundRunScheduledTasks_):this.pass_.schedule()},ia.prototype.runScheduledTasks_=function(){this.scheduled_=!1;var t=this.tasks_,e=this.states_;this.tasks_=[],this.states_=[];for(var i=0;i<t.length;i++)t[i].measure&&t[i].measure(e[i]);for(i=0;i<t.length;i++)t[i].mutate&&t[i].mutate(e[i])},ia.prototype.getRaf_=function(){var t=this,e=this.win.requestAnimationFrame||this.win.webkitRequestAnimationFrame;if(e)return e.bind(this.win);var i=0;return function(e){var n=(new Date).getTime(),o=Math.max(0,ea-(n-i));i=n+o,t.win.setTimeout(e,o)}},ta.Vsync=ia,ta.installVsyncService=me;var na={},oa="Viewport",ra=function(t,e,i){var n=this;this.win_=t,this.binding_=e,this.viewer_=i,this.scrollLeft_=this.lastMeasureScrollTop_=this.scrollTop_=this.size_=null,this.paddingTop_=i.getPaddingTop(),this.scrollMeasureTime_=0,this.vsync_=ta.installVsyncService(t),this.scrollTracking_=!1,this.scrollCount_=0,this.changeObservable_=new vi,this.scrollObservable_=new vi,this.originalViewportMetaString_=this.viewportMeta_=void 0,this.boundThrottledScroll_=this.throttledScroll_.bind(this),this.viewer_.onViewportEvent(function(){n.binding_.updateViewerViewport(n.viewer_);var t=n.viewer_.getPaddingTop();t!=n.paddingTop_&&(n.paddingTop_=t,n.binding_.updatePaddingTop(n.paddingTop_))}),this.binding_.updateViewerViewport(this.viewer_),this.binding_.updatePaddingTop(this.paddingTop_),this.binding_.onScroll(this.scroll_.bind(this)),this.binding_.onResize(this.resize_.bind(this))};ra.prototype.cleanup_=function(){this.binding_.cleanup_()},ra.prototype.getPaddingTop=function(){return this.paddingTop_},ra.prototype.getTop=function(){return this.getScrollTop()},ra.prototype.getScrollTop=function(){return null==this.scrollTop_&&(this.scrollTop_=this.binding_.getScrollTop()),this.scrollTop_},ra.prototype.getScrollLeft=function(){return null==this.scrollLeft_&&(this.scrollLeft_=this.binding_.getScrollLeft()),this.scrollLeft_},ra.prototype.setScrollTop=function(t){this.scrollTop_=null,this.binding_.setScrollTop(t)},ra.prototype.getSize=function(){return this.size_?this.size_:this.size_=this.binding_.getSize()},ra.prototype.getWidth=function(){return this.getSize().width},ra.prototype.getScrollWidth=function(){return this.binding_.getScrollWidth()},ra.prototype.getScrollHeight=function(){return this.binding_.getScrollHeight()},ra.prototype.getRect=function(){var t=this.getScrollTop(),e=this.getScrollLeft(),i=this.getSize();return Bi.layoutRectLtwh(e,t,i.width,i.height)},ra.prototype.getLayoutRect=function(t){return this.binding_.getLayoutRect(t)},ra.prototype.scrollIntoView=function(t){t=this.binding_.getLayoutRect(t).top,this.binding_.setScrollTop(Math.max(0,t-this.paddingTop_))},ra.prototype.onChanged=function(t){return this.changeObservable_.add(t)},ra.prototype.onScroll=function(t){return this.scrollObservable_.add(t)},ra.prototype.resetTouchZoom=function(){var t=this.win_.innerHeight,e=this.win_.document.documentElement.clientHeight;if((!t||!e||t!==e)&&this.disableTouchZoom()){var i=this;ui.timer.delay(function(){i.restoreOriginalTouchZoom()},50)}},ra.prototype.disableTouchZoom=function(){var t=this.getViewportMeta_();return t?(t=ye(t.content,{"maximum-scale":"1","user-scalable":"no"}),this.setViewportMetaString_(t)):!1},ra.prototype.restoreOriginalTouchZoom=function(){return void 0!==this.originalViewportMetaString_?this.setViewportMetaString_(this.originalViewportMetaString_):!1},ra.prototype.hasScrolled=function(){return 0<this.scrollCount_},ra.prototype.setViewportMetaString_=function(t){var e=this.getViewportMeta_();return e&&e.content!=t?(Ke.log.fine(oa,"changed viewport meta to:",t),e.content=t,!0):!1},ra.prototype.getViewportMeta_=function(){return this.viewer_.isEmbedded()?null:(void 0===this.viewportMeta_&&(this.viewportMeta_=this.win_.document.querySelector("meta[name=viewport]"))&&(this.originalViewportMetaString_=this.viewportMeta_.content),this.viewportMeta_)},ra.prototype.changed_=function(t,e){var i=this.getSize(),n=this.getScrollTop();Ke.log.fine(oa,"changed event:","relayoutAll=",t,"top=",n,"bottom=",n+i.height,"velocity=",e),this.changeObservable_.fire({relayoutAll:t,top:n,width:i.width,height:i.height,velocity:e})},ra.prototype.scroll_=function(){this.scrollCount_++,this.scrollLeft_=this.binding_.getScrollLeft();var t=this.binding_.getScrollTop();if(!(0>t)){if(this.scrollTop_=t,!this.scrollTracking_){var e=this;this.scrollTracking_=!0;var i=ui.timer.now();ui.timer.delay(function(){return e.vsync_.measure(e.throttledScroll_.bind(e,i,t))},36)}this.scrollObservable_.fire()}},ra.prototype.throttledScroll_=function(t,e){this.scrollTracking_=!1;var i=this.scrollTop_=this.binding_.getScrollTop(),n=ui.timer.now(),o=0;if(n!=t&&(o=(i-e)/(n-t)),Ke.log.fine(oa,"scroll: scrollTop="+i+"; velocity="+o),.03>Math.abs(o))this.changed_(!1,o);else{var r=this;ui.timer.delay(function(){return r.vsync_.measure(r.throttledScroll_.bind(r,n,i))},20)}},ra.prototype.resize_=function(){var t=this.size_;this.size_=null;var e=this.getSize();this.changed_(!t||t.width!=e.width,0)};var sa=function(){};sa.prototype.onScroll=function(t){},sa.prototype.onResize=function(t){},sa.prototype.updateViewerViewport=function(t){},sa.prototype.updatePaddingTop=function(t){},sa.prototype.getSize=function(){},sa.prototype.getScrollTop=function(){},sa.prototype.setScrollTop=function(t){},sa.prototype.getScrollLeft=function(){},sa.prototype.getScrollWidth=function(){},sa.prototype.getScrollHeight=function(){},sa.prototype.getLayoutRect=function(t){},sa.prototype.cleanup_=function(){};var aa=function(t){var e=this;this.win=t,this.scrollObservable_=new vi,this.resizeObservable_=new vi,this.win.addEventListener("scroll",function(){return e.scrollObservable_.fire()}),this.win.addEventListener("resize",function(){return e.resizeObservable_.fire()}),Ke.log.fine(oa,"initialized natural viewport")};aa.prototype.cleanup_=function(){},aa.prototype.onScroll=function(t){this.scrollObservable_.add(t)},aa.prototype.onResize=function(t){this.resizeObservable_.add(t)},aa.prototype.updateViewerViewport=function(t){},aa.prototype.updatePaddingTop=function(t){this.win.document.documentElement.style.paddingTop=mi.px(t)},aa.prototype.getSize=function(){if(zi.platform.isIos()&&!zi.platform.isChrome()){var t=this.win.innerWidth,e=this.win.innerHeight;if(t&&e)return{width:t,height:e}}return t=this.win.document.documentElement,{width:t.clientWidth,height:t.clientHeight}},aa.prototype.getScrollTop=function(){return this.getScrollingElement_().scrollTop||this.win.pageYOffset},aa.prototype.getScrollLeft=function(){return this.getScrollingElement_().scrollLeft||this.win.pageXOffset},aa.prototype.getScrollWidth=function(){return this.getScrollingElement_().scrollWidth},aa.prototype.getScrollHeight=function(){return this.getScrollingElement_().scrollHeight},aa.prototype.getLayoutRect=function(t){var e=this.getScrollTop(),i=this.getScrollLeft();return t=t.getBoundingClientRect(),Bi.layoutRectLtwh(Math.round(t.left+i),Math.round(t.top+e),Math.round(t.width),Math.round(t.height))},aa.prototype.setScrollTop=function(t){this.getScrollingElement_().scrollTop=t},aa.prototype.getScrollingElement_=function(){var t=this.win.document;return t.scrollingElement?t.scrollingElement:t.body?t.body:t.documentElement};var ua=function(t){var e=this;this.win=t,this.scrollWidth_=0,this.scrollMoveEl_=this.scrollPosEl_=null,this.pos_={x:0,y:0},this.scrollObservable_=new vi,this.resizeObservable_=new vi,bi.onDocumentReady(this.win.document,function(){ui.timer.delay(function(){e.setup_()},0)}),this.win.addEventListener("resize",function(){return e.resizeObservable_.fire()}),Ke.log.fine(oa,"initialized natural viewport for iOS embeds")};ua.prototype.setup_=function(){var t=this.win.document.documentElement,e=this.win.document.body;this.scrollWidth_=e.scrollWidth||0,mi.setStyles(t,{overflow:"auto",webkitOverflowScrolling:"touch"}),mi.setStyles(e,{overflow:"auto",webkitOverflowScrolling:"touch",position:"absolute",top:0,left:0,right:0,bottom:0}),this.scrollPosEl_=this.win.document.createElement("div"),this.scrollPosEl_.id="-amp-scrollpos",mi.setStyles(this.scrollPosEl_,{position:"absolute",top:0,left:0,width:0,height:0,visibility:"hidden"}),e.appendChild(this.scrollPosEl_),this.scrollMoveEl_=this.win.document.createElement("div"),this.scrollMoveEl_.id="-amp-scrollmove",mi.setStyles(this.scrollMoveEl_,{position:"absolute",top:0,left:0,width:0,height:0,visibility:"hidden"}),e.appendChild(this.scrollMoveEl_),this.endPosEl_=this.win.document.createElement("div"),this.endPosEl_.id="-amp-endpos",mi.setStyles(this.endPosEl_,{width:0,height:0,visibility:"hidden"}),e.appendChild(this.endPosEl_),e.addEventListener("scroll",this.onScrolled_.bind(this))},ua.prototype.updateViewerViewport=function(t){},ua.prototype.updatePaddingTop=function(t){var e=this;bi.onDocumentReady(this.win.document,function(){e.win.document.body.style.paddingTop=mi.px(t)})},ua.prototype.cleanup_=function(){},ua.prototype.onScroll=function(t){this.scrollObservable_.add(t)},ua.prototype.onResize=function(t){this.resizeObservable_.add(t)},ua.prototype.getSize=function(){return{width:this.win.innerWidth,height:this.win.innerHeight}},ua.prototype.getScrollTop=function(){return Math.round(this.pos_.y)},ua.prototype.getScrollLeft=function(){return Math.round(this.pos_.x)},ua.prototype.getScrollWidth=function(){return Math.max(this.scrollWidth_,this.win.innerWidth)},ua.prototype.getScrollHeight=function(){return this.endPosEl_?Math.round(this.endPosEl_.getBoundingClientRect().top-this.scrollPosEl_.getBoundingClientRect().top):0},ua.prototype.getLayoutRect=function(t){return t=t.getBoundingClientRect(),Bi.layoutRectLtwh(Math.round(t.left+this.pos_.x),Math.round(t.top+this.pos_.y),Math.round(t.width),Math.round(t.height))},ua.prototype.setScrollTop=function(t){this.setScrollPos_(t||1)},ua.prototype.onScrolled_=function(t){this.scrollPosEl_&&(this.adjustScrollPos_(t),t=this.scrollPosEl_.getBoundingClientRect(),this.pos_.x!=-t.left||this.pos_.y!=-t.top)&&(this.pos_.x=-t.left,this.pos_.y=-t.top,this.scrollObservable_.fire())},ua.prototype.setScrollPos_=function(t){this.scrollMoveEl_&&(mi.setStyle(this.scrollMoveEl_,"transform","translateY("+t+"px)"),this.scrollMoveEl_.scrollIntoView(!0))},ua.prototype.adjustScrollPos_=function(t){this.scrollPosEl_&&this.scrollMoveEl_&&0==-this.scrollPosEl_.getBoundingClientRect().top&&(this.setScrollPos_(1),t&&t.preventDefault())};var la=function(t,e){this.win=t,this.width_=e.getViewportWidth(),this.height_=e.getViewportHeight(),this.scrollTop_=e.getScrollTop(),this.scrollObservable_=new vi,this.resizeObservable_=new vi,Ke.log.fine(oa,"initialized virtual viewport")};la.prototype.cleanup_=function(){},la.prototype.updateViewerViewport=function(t){t.getScrollTop()!=this.scrollTop_&&(this.scrollTop_=t.getScrollTop(),this.scrollObservable_.fire()),(t.getViewportWidth()!=this.width_||t.getViewportHeight()!=this.height_)&&(this.width_=t.getViewportWidth(),this.height_=t.getViewportHeight(),this.resizeObservable_.fire())},la.prototype.updatePaddingTop=function(t){this.win.document.documentElement.style.paddingTop=mi.px(t)},la.prototype.onScroll=function(t){this.scrollObservable_.add(t)},la.prototype.onResize=function(t){this.resizeObservable_.add(t)},la.prototype.getSize=function(){return{width:this.width_,height:this.height_}},la.prototype.getScrollTop=function(){return this.scrollTop_},la.prototype.getScrollLeft=function(){return 0},la.prototype.getScrollWidth=function(){return this.win.document.documentElement.scrollWidth},la.prototype.getScrollHeight=function(){return this.win.document.documentElement.scrollHeight},la.prototype.getLayoutRect=function(t){return t=t.getBoundingClientRect(),Bi.layoutRectLtwh(Math.round(t.left),Math.round(t.top),Math.round(t.width),Math.round(t.height))},la.prototype.setScrollTop=function(t){},na.Viewport=ra,na.ViewportBindingNatural_=aa,na.ViewportBindingNaturalIosEmbed_=ua,na.ViewportBindingVirtual_=la,na.parseViewportMeta=_e,na.stringifyViewportMeta=ge,na.updateViewportMetaString=ye,na.installViewportService=be;var ha={},ca="Action",pa="__AMP_ACTION_MAP__"+Math.random(),da="__AMP_ACTION_QUEUE__",fa="activate",ma=function(t,e,i,n){this.target=t,this.method=e,this.source=i,this.event=n},_a=function(t){this.win=t,this.globalMethodHandlers_={},this.vsync_=Ei.vsyncFor(this.win),this.addEvent("tap")};_a.prototype.addEvent=function(t){if("tap"==t){var e=this;this.win.document.addEventListener("click",function(t){t.defaultPrevented||e.trigger(t.target,"tap",t)})}},_a.prototype.addGlobalMethodHandler=function(t,e){this.globalMethodHandlers_[t]=e},_a.prototype.trigger=function(t,e,i){this.action_(t,e,i)},_a.prototype.execute=function(t,e,i,n){this.invoke_(t,e,i,n,null)},_a.prototype.installActionHandler=function(t,e){var i=t.tagName+"#"+t.id;ze.assert(t.id&&"amp-"==t.id.substring(0,4),"AMP element is expected: %s",i);var n=t[da];n&&ze.assert("[object Array]"==Object.prototype.toString.call(n),"Expected queue to be an array: %s",i),t[da]={push:e},n&&ui.timer.delay(function(){n.forEach(function(t){try{e(t)}catch(i){Ke.log.error(ca,"Action execution failed:",t,i)}})},1)},_a.prototype.action_=function(t,e,i){(t=this.findAction_(t,e))&&((e=document.getElementById(t.actionInfo.target))?this.invoke_(e,t.actionInfo.method,t.node,i,t.actionInfo):this.actionInfoError_("target not found",t.actionInfo,e))},_a.prototype.actionInfoError_=function(t,e,i){throw Error("Action Error: "+t+(e?" in ["+e.str+"]":"")+(i?" on ["+i+"]":""))},_a.prototype.invoke_=function(t,e,i,n,o){e=new ma(t,e,i,n),this.globalMethodHandlers_[e.method]?this.globalMethodHandlers_[e.method](e):"amp-"==t.tagName.toLowerCase().substring(0,4)?t.enqueAction?t.enqueAction(e):this.actionInfoError_('Unrecognized AMP element "'+t.tagName.toLowerCase()+'". Did you forget to include it via <script custom-element>?',o,t):t.id&&"amp-"==t.id.substring(0,4)?(t[da]||(t[da]=[]),t[da].push(e)):this.actionInfoError_("Target must be an AMP element or have an AMP ID",o,t)},_a.prototype.findAction_=function(t,e){for(var i=t,n=null;i;){if(n=this.matchActionInfo_(i,e))return{node:i,actionInfo:n};i=i.parentElement}return null},_a.prototype.matchActionInfo_=function(t,e){var i=this.getActionMap_(t);return i?i[e]||null:null},_a.prototype.getActionMap_=function(t){var e=t[pa];return void 0===e&&(e=null,t.hasAttribute("on")&&(e=this.parseActionMap_(t.getAttribute("on"))),t[pa]=e),e},_a.prototype.parseActionMap_=function(t){var e=null;if((t=t.split(";"))&&0<t.length)for(var i=0;i<t.length;i++){var n=this.parseAction_(t[i]);n&&(e||(e={}),e[n.event]=n)}return e},_a.prototype.parseAction_=function(t){if(t=t.trim(),!t)return null;var e=t.indexOf(":"),i=t.indexOf(".",e+1),n=(-1!=e?t.substring(0,e):"").toLowerCase().trim()||null,e=t.substring(e+1,-1!=i?i:t.length).trim(),i=(-1!=i?t.substring(i+1):"").trim()||fa;return n&&e?{event:n,target:e,method:i,str:t}:(Ke.log.error(ca,"invalid action definition: "+t),null)},ha.ActionService=_a,ha.installActionService=we;var ga={},ya="History",va="AMP.History",ba=function(t){this.binding_=t,this.stackIndex_=0,this.stackOnPop_=[],this.queue_=[],this.binding_.setOnStackIndexUpdated(this.onStackIndexUpdated_.bind(this))};ba.prototype.cleanup_=function(){this.binding_.cleanup_()},ba.prototype.push=function(t){var e=this;return this.enque_(function(){return e.binding_.push().then(function(i){return e.onStackIndexUpdated_(i),t&&(e.stackOnPop_[i]=t),i})})},ba.prototype.pop=function(t){var e=this;return this.enque_(function(){return e.binding_.pop(t).then(function(t){e.onStackIndexUpdated_(t)})})},ba.prototype.onStackIndexUpdated_=function(t){this.stackIndex_=t,this.doPop_()},ba.prototype.doPop_=function(){if(!(this.stackIndex_>=this.stackOnPop_.length-1)){for(var t=[],e=this.stackOnPop_.length-1;e>this.stackIndex_;e--)this.stackOnPop_[e]&&(t.push(this.stackOnPop_[e]),this.stackOnPop_[e]=void 0);if(this.stackOnPop_.splice(this.stackIndex_+1),0<t.length)for(e=0;e<t.length;e++)ui.timer.delay(t[e],1)}},ba.prototype.enque_=function(t){var e=void 0,i=void 0,n=new Promise(function(t,n){e=t,i=n});return this.queue_.push({callback:t,resolve:e,reject:i}),1==this.queue_.length&&this.deque_(),n},ba.prototype.deque_=function(){var t=this;if(0!=this.queue_.length){var e=this.queue_[0],i=void 0;try{i=e.callback()}catch(n){i=Promise.reject(n)}i.then(function(t){e.resolve(t)},function(t){Ke.log.error(ya,"failed to execute a task:",t),e.reject(t)}).then(function(){t.queue_.splice(0,1),t.deque_()})}};var wa=function(){};wa.prototype.cleanup_=function(){},wa.prototype.setOnStackIndexUpdated=function(t){},wa.prototype.push=function(){},wa.prototype.pop=function(t){};var Sa=function(t){var e=this;this.win=t,t=this.win.history,this.startIndex_=t.length-1,t.state&&void 0!==t.state[va]&&(this.startIndex_=Math.min(t.state[va],this.startIndex_)),this.stackIndex_=this.startIndex_,this.onStackIndexUpdated_=null,this.supportsState_="state"in t,this.unsupportedState_=Se(this.stackIndex_);var i,n=void 0;if(t.pushState&&t.replaceState){var o=this;this.origPushState_=t.pushState.bind(t),this.origReplaceState_=t.replaceState.bind(t),n=function(t,e,i){o.unsupportedState_=t,o.origPushState_(t,e,i)},i=function(t,e,i){o.unsupportedState_=t,void 0!==i?o.origReplaceState_(t,e,i):o.origReplaceState_(t,e)}}else{var r=this,n=function(t,e,i){r.unsupportedState_=t};i=function(t,e,i){r.unsupportedState_=t}}this.pushState_=n,this.replaceState_=i;try{this.replaceState_(Se(this.stackIndex_))}catch(s){Ke.log.error(ya,"Initial replaceState failed: "+s.message)}t.pushState=this.historyPushState_.bind(this),t.replaceState=this.historyReplaceState_.bind(this);var a=new Ui(this.onHistoryEvent_.bind(this),50);this.popstateHandler_=function(t){Ke.log.fine(ya,"popstate event: "+e.win.history.length+", "+JSON.stringify(t.state)),a.schedule()},this.hashchangeHandler_=function(){Ke.log.fine(ya,"hashchange event: "+e.win.history.length+", "+e.win.location.hash),a.schedule()},this.win.addEventListener("popstate",this.popstateHandler_),this.win.addEventListener("hashchange",this.hashchangeHandler_);
};Sa.prototype.cleanup_=function(){this.origPushState_&&(this.win.history.pushState=this.origPushState_),this.origReplaceState_&&(this.win.history.replaceState=this.origReplaceState_),this.win.removeEventListener("popstate",this.popstateHandler_),this.win.removeEventListener("hashchange",this.hashchangeHandler_)},Sa.prototype.setOnStackIndexUpdated=function(t){this.onStackIndexUpdated_=t},Sa.prototype.push=function(){var t=this;return this.whenReady_(function(){return t.historyPushState_(),Promise.resolve(t.stackIndex_)})},Sa.prototype.pop=function(t){var e=this;return t=Math.max(t,this.startIndex_),this.whenReady_(function(){return e.back_(e.stackIndex_-t+1)})},Sa.prototype.backTo=function(t){var e=this;return t=Math.max(t,this.startIndex_),this.whenReady_(function(){return e.back_(e.stackIndex_-t)})},Sa.prototype.onHistoryEvent_=function(){var t=this.getState_();Ke.log.fine(ya,"history event: "+this.win.history.length+", "+JSON.stringify(t));var e=t?t[va]:void 0,i=this.stackIndex_,n=this.waitingState_;this.waitingState_=void 0,i>this.win.history.length-2&&(i=this.win.history.length-2,this.updateStackIndex_(i)),i=void 0==e?i+1:e<this.win.history.length?e:this.win.history.length-1,t||(t={}),t[va]=i,this.replaceState_(t,void 0,void 0),i!=this.stackIndex_&&this.updateStackIndex_(i),i<this.startIndex_&&(this.startIndex_=i),n&&n.resolve()},Sa.prototype.getState_=function(){return this.supportsState_?this.win.history.state:this.unsupportedState_},Sa.prototype.assertReady_=function(){ze.assert(!this.waitingState_,"The history must not be in the waiting state")},Sa.prototype.whenReady_=function(t){return this.waitingState_?this.waitingState_.promise.then(t,t):t()},Sa.prototype.wait_=function(){this.assertReady_();var t=void 0,e=void 0,i=ui.timer.timeoutPromise(500,new Promise(function(i,n){t=i,e=n}));return this.waitingState_={promise:i,resolve:t,reject:e},i},Sa.prototype.back_=function(t){var e=this;if(this.assertReady_(),0>=t)return Promise.resolve(this.stackIndex_);this.unsupportedState_=Se(this.stackIndex_-t);var i=this.wait_();return this.win.history.go(-t),i.then(function(){return Promise.resolve(e.stackIndex_)})},Sa.prototype.historyPushState_=function(t,e,i){this.assertReady_(),t||(t={});var n=this.stackIndex_+1;t[va]=n,this.pushState_(t,e,i),n!=this.win.history.length-1&&(n=this.win.history.length-1,t[va]=n,this.replaceState_(t)),this.updateStackIndex_(n)},Sa.prototype.historyReplaceState_=function(t,e,i){this.assertReady_(),t||(t={});var n=Math.min(this.stackIndex_,this.win.history.length-1);t[va]=n,this.replaceState_(t,e,i),this.updateStackIndex_(n)},Sa.prototype.updateStackIndex_=function(t){this.assertReady_(),t=Math.min(t,this.win.history.length-1),this.stackIndex_!=t&&(Ke.log.fine(ya,"stack index changed: "+this.stackIndex_+" -> "+t),this.stackIndex_=t,this.onStackIndexUpdated_)&&this.onStackIndexUpdated_(t)};var Ea=function(t){this.viewer_=t,this.stackIndex_=0,this.onStackIndexUpdated_=null,this.unlistenOnHistoryPopped_=this.viewer_.onHistoryPoppedEvent(this.onHistoryPopped_.bind(this))};Ea.prototype.cleanup_=function(){this.unlistenOnHistoryPopped_()},Ea.prototype.setOnStackIndexUpdated=function(t){this.onStackIndexUpdated_=t},Ea.prototype.push=function(){return this.updateStackIndex_(this.stackIndex_+1),this.viewer_.postPushHistory(this.stackIndex_),Promise.resolve(this.stackIndex_)},Ea.prototype.pop=function(t){return t>this.stackIndex_?Promise.resolve(this.stackIndex_):(this.viewer_.postPopHistory(t),this.updateStackIndex_(t-1),Promise.resolve(this.stackIndex_))},Ea.prototype.onHistoryPopped_=function(t){this.updateStackIndex_(t.newStackIndex)},Ea.prototype.updateStackIndex_=function(t){this.stackIndex_!=t&&(Ke.log.fine(ya,"stack index changed: "+this.stackIndex_+" -> "+t),this.stackIndex_=t,this.onStackIndexUpdated_)&&this.onStackIndexUpdated_(t)},ga.History=ba,ga.HistoryBindingNatural_=Sa,ga.HistoryBindingVirtual_=Ea,ga.installHistoryService=Te;var Ta={};Ta.installCoreServices=Ae;var Aa={},Ca=50,La=function(t){this.win=t,this.events_=[]};La.prototype.tick=function(t,e,i){this.tick_?this.tick_(t,e,i):this.queueTick_(t,e,i)},La.prototype.flush=function(){this.flush_&&this.flush_()},La.prototype.queueTick_=function(t,e,i){void 0==i&&(i=ui.timer.now()),this.events_.length>=Ca&&this.events_.shift(),this.events_.push({label:t,opt_from:e,opt_value:i})},La.prototype.flushQueuedTicks_=function(){var t=this;this.tick_&&(this.events_.forEach(function(e){t.tick_(e.label,e.opt_from,e.opt_value)}),this.events_.length=0)},La.prototype.setTickFunction=function(t,e){this.tick_=t,this.flush_=e,this.flushQueuedTicks_(),this.flush()},Aa.Performance=La,Aa.performanceFor=Ce;var Oa={},Ia=[];Oa.adopt=Le,Oa.registerForUnitTest=Oe;var ka={};ka.installVideo=Ie;var 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t=this.getAttribute("sizes");this.sizeList_=t?f.parseSizeList(t):null}this.sizeList_&&(this.style.width=u.assertLength(this.sizeList_.select(this.ownerDocument.defaultView)))},n.changeHeight=function(t){this.sizerElement_&&(this.sizerElement_.style.paddingTop="0"),this.style.height=t+"px"},n.attachedCallback=function(){if(T||(this.isInTemplate_=!!b.closestByTag(this,"template")),!this.isInTemplate_){if(!this.everAttached){this.everAttached=!0;try{this.firstAttachedCallback_()}catch(t){m.reportError(t,this)}}this.resources_.add(this)}},n.detachedCallback=function(){this.isInTemplate_||this.resources_.remove(this)},n.firstAttachedCallback_=function(){this.isUpgraded()||(this.classList.add("amp-unresolved"),this.classList.add("-amp-unresolved"));try{if(this.layout_=o(this),this.layout_!=u.Layout.NODISPLAY&&!this.implementation_.isLayoutSupported(this.layout_))throw new Error("Layout not supported for: 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"+i.win.history.length+", "+JSON.stringify(t.state)),c.schedule()},this.hashchangeHandler_=function(){u.log.fine(p,"hashchange event: "+i.win.history.length+", "+i.win.location.hash),c.schedule()},this.win.addEventListener("popstate",this.popstateHandler_),this.win.addEventListener("hashchange",this.hashchangeHandler_)}return t.prototype.cleanup_=function(){this.origPushState_&&(this.win.history.pushState=this.origPushState_),this.origReplaceState_&&(this.win.history.replaceState=this.origReplaceState_),this.win.removeEventListener("popstate",this.popstateHandler_),this.win.removeEventListener("hashchange",this.hashchangeHandler_)},t.prototype.setOnStackIndexUpdated=function(t){this.onStackIndexUpdated_=t},t.prototype.push=function(){var t=this;return this.whenReady_(function(){return t.historyPushState_(),Promise.resolve(t.stackIndex_)})},t.prototype.pop=function(t){var e=this;return t=Math.max(t,this.startIndex_),this.whenReady_(function(){return e.back_(e.stackIndex_-t+1);
})},t.prototype.backTo=function(t){var e=this;return t=Math.max(t,this.startIndex_),this.whenReady_(function(){return e.back_(e.stackIndex_-t)})},t.prototype.onHistoryEvent_=function(){var t=this.getState_();u.log.fine(p,"history event: "+this.win.history.length+", "+JSON.stringify(t));var e=t?t[d]:void 0,i=this.stackIndex_,n=this.waitingState_;this.waitingState_=void 0,i>this.win.history.length-2&&(i=this.win.history.length-2,this.updateStackIndex_(i)),void 0==e?i+=1:i=e<this.win.history.length?e:this.win.history.length-1,t||(t={}),t[d]=i,this.replaceState_(t,void 0,void 0),i!=this.stackIndex_&&this.updateStackIndex_(i),i<this.startIndex_&&(this.startIndex_=i),n&&n.resolve()},t.prototype.getState_=function(){return this.supportsState_?this.win.history.state:this.unsupportedState_},t.prototype.assertReady_=function(){a.assert(!this.waitingState_,"The history must not be in the waiting state")},t.prototype.whenReady_=function(t){return this.waitingState_?this.waitingState_.promise.then(t,t):t()},t.prototype.wait_=function(){this.assertReady_();var t=void 0,e=void 0,i=c.timer.timeoutPromise(500,new Promise(function(i,n){t=i,e=n}));return this.waitingState_={promise:i,resolve:t,reject:e},i},t.prototype.back_=function(t){var e=this;if(this.assertReady_(),0>=t)return Promise.resolve(this.stackIndex_);this.unsupportedState_=n(this.stackIndex_-t);var i=this.wait_();return this.win.history.go(-t),i.then(function(){return Promise.resolve(e.stackIndex_)})},t.prototype.historyPushState_=function(t,e,i){this.assertReady_(),t||(t={});var n=this.stackIndex_+1;t[d]=n,this.pushState_(t,e,i),n!=this.win.history.length-1&&(n=this.win.history.length-1,t[d]=n,this.replaceState_(t)),this.updateStackIndex_(n)},t.prototype.historyReplaceState_=function(t,e,i){this.assertReady_(),t||(t={});var n=Math.min(this.stackIndex_,this.win.history.length-1);t[d]=n,this.replaceState_(t,e,i),this.updateStackIndex_(n)},t.prototype.updateStackIndex_=function(t){this.assertReady_(),t=Math.min(t,this.win.history.length-1),this.stackIndex_!=t&&(u.log.fine(p,"stack index changed: "+this.stackIndex_+" -> "+t),this.stackIndex_=t,this.onStackIndexUpdated_&&this.onStackIndexUpdated_(t))},t}());i.HistoryBindingNatural_=m;var _=function(){function t(e){babelHelpers.classCallCheck(this,t),this.viewer_=e,this.stackIndex_=0,this.onStackIndexUpdated_=null,this.unlistenOnHistoryPopped_=this.viewer_.onHistoryPoppedEvent(this.onHistoryPopped_.bind(this))}return t.prototype.cleanup_=function(){this.unlistenOnHistoryPopped_()},t.prototype.setOnStackIndexUpdated=function(t){this.onStackIndexUpdated_=t},t.prototype.push=function(){return this.updateStackIndex_(this.stackIndex_+1),this.viewer_.postPushHistory(this.stackIndex_),Promise.resolve(this.stackIndex_)},t.prototype.pop=function(t){return t>this.stackIndex_?Promise.resolve(this.stackIndex_):(this.viewer_.postPopHistory(t),this.updateStackIndex_(t-1),Promise.resolve(this.stackIndex_))},t.prototype.onHistoryPopped_=function(t){this.updateStackIndex_(t.newStackIndex)},t.prototype.updateStackIndex_=function(t){this.stackIndex_!=t&&(u.log.fine(p,"stack index changed: "+this.stackIndex_+" -> "+t),this.stackIndex_=t,this.onStackIndexUpdated_&&this.onStackIndexUpdated_(t))},t}();i.HistoryBindingVirtual_=_},{"../asserts":55,"../log":77,"../pass":80,"../service":88,"../timer":101,"./viewer-impl":92}],91:[function(t,e,i){function n(t){return t=t.toLowerCase(),"amp-ad"==t?2:"amp-pixel"==t?1:0}function r(t){return void 0!==t.length?t:[t]}function o(t){return p.getService(t,"resources",function(){return new P(t)})}i.__esModule=!0,i.getElementPriority=n,i.installResourcesService=o;var s=t("../focus-history"),a=t("../pass"),l=t("../asserts"),u=t("../dom"),c=t("../document-state"),h=t("../layout-rect"),p=t("../service"),d=t("../input"),f=t("../log"),m=t("../error"),_=t("../timer"),v=t("./viewer-impl"),g=t("./viewport-impl"),y=t("./vsync-impl"),b="Resources",w="__AMP__RESOURCE",E="__AMP__OWNER",S="L",C=0,T="P",k=2,O=10,L=1e3,A=1e3,x=500,M=6e4,P=function(){function t(e){var i=this;babelHelpers.classCallCheck(this,t),this.win=e,this.viewer_=v.installViewerService(e),this.isRuntimeOn_=this.viewer_.isRuntimeOn(),this.maxDpr_=this.win.devicePixelRatio||1,this.resourceIdCounter_=0,this.resources_=[],this.visible_=this.viewer_.isVisible(),this.prerenderSize_=this.viewer_.getPrerenderSize(),this.documentReady_=!1,this.firstPassAfterDocumentReady_=!0,this.relayoutAll_=!0,this.relayoutTop_=-1,this.forceBuild_=!1,this.lastScrollTime_=0,this.lastVelocity_=0,this.pass_=new a.Pass(function(){return i.doPass_()}),this.exec_=new R,this.queue_=new R;this.requestsChangeHeight_=[],this.deferredMutates_=[],this.scrollHeight_=0,this.viewport_=g.installViewportService(this.win),this.vsync_=y.installVsyncService(this.win),this.docState_=c.documentStateFor(this.win),this.activeHistory_=new s.FocusHistory(this.win,M),this.vsyncScheduled_=!1,this.viewport_.onChanged(function(t){i.lastScrollTime_=_.timer.now(),i.lastVelocity_=t.velocity,i.relayoutAll_=i.relayoutAll_||t.relayoutAll,i.schedulePass()}),this.viewport_.onScroll(function(){i.lastScrollTime_=_.timer.now()}),this.viewer_.onVisibilityChanged(function(){i.schedulePass()}),this.viewer_.onRuntimeState(function(t){f.log.fine(b,"Runtime state:",t),i.isRuntimeOn_=t,i.schedulePass(1)}),this.activeHistory_.onFocus(function(t){i.checkPendingChangeHeight_(t)}),this.docState_.onReady(function(){i.documentReady_=!0,i.forceBuild_=!0,i.relayoutAll_=!0,i.schedulePass(),i.monitorInput_()}),this.schedulePass()}return t.prototype.get=function(){return this.resources_.slice(0)},t.prototype.monitorInput_=function(){var t=this,e=d.inputFor(this.win);e.onTouchDetected(function(e){t.toggleInputClass_("amp-mode-touch",e)},!0),e.onMouseDetected(function(e){t.toggleInputClass_("amp-mode-mouse",e)},!0),e.onKeyboardStateChanged(function(e){t.toggleInputClass_("amp-mode-keyboard-active",e)},!0)},t.prototype.toggleInputClass_=function(t,e){var i=this;this.vsync_.mutate(function(){i.win.document.body.classList.toggle(t,e)})},t.prototype.updateScrollHeight_=function(){if(this.win.document.body){var t=this.win.document.body.scrollHeight;t!=this.scrollHeight_&&(this.scrollHeight_=t,this.viewer_.postDocumentResized(this.viewport_.getSize().width,t))}},t.prototype.getMaxDpr=function(){return this.maxDpr_},t.prototype.getDpr=function(){return this.maxDpr_},t.prototype.getResourceForElement=function(t){return l.assert(t[w],"Missing resource prop on %s",t)},t.prototype.add=function(t){var e=new I(++this.resourceIdCounter_,t,this);t.id||(t.id="AMP_"+e.getId()),t[w]=e,this.resources_.push(e),this.isRuntimeOn_&&(e.build(this.forceBuild_),this.schedulePass()),f.log.fine(b,"element added:",e.debugid)},t.prototype.remove=function(t){var e=this.getResourceForElement(t),i=e?this.resources_.indexOf(e):-1;-1!=i&&this.resources_.splice(i,1),f.log.fine(b,"element removed:",e.debugid)},t.prototype.upgraded=function(t){var e=this.getResourceForElement(t);this.isRuntimeOn_?(e.build(this.forceBuild_),this.schedulePass()):e.onUpgraded_&&e.onUpgraded_(),f.log.fine(b,"element upgraded:",e.debugid)},t.prototype.setOwner=function(t,e){l.assert(e.contains(t),"Owner must contain the element"),t[E]=e},t.prototype.scheduleLayout=function(t,e){this.scheduleLayoutOrPreloadForSubresources_(this.getResourceForElement(t),!0,r(e))},t.prototype.schedulePreload=function(t,e){this.scheduleLayoutOrPreloadForSubresources_(this.getResourceForElement(t),!1,r(e))},t.prototype.updateInViewport=function(t,e,i){this.updateInViewportForSubresources_(this.getResourceForElement(t),r(e),i)},t.prototype.changeHeight=function(t,e,i){this.scheduleChangeHeight_(this.getResourceForElement(t),e,!0,i)},t.prototype.attemptChangeHeight=function(t,e,i){this.scheduleChangeHeight_(this.getResourceForElement(t),e,!1,i)},t.prototype.deferMutate=function(t,e){this.scheduleDeferredMutate_(this.getResourceForElement(t),e),this.schedulePassVsync()},t.prototype.schedulePass=function(t){this.pass_.schedule(t)},t.prototype.schedulePassVsync=function(){var t=this;this.vsyncScheduled_||(this.vsyncScheduled_=!0,this.vsync_.mutate(function(){return t.doPass_()}))},t.prototype.doPass_=function(){if(!this.isRuntimeOn_)return void f.log.fine(b,"runtime is off");var t=this.visible_;this.visible_=this.viewer_.isVisible(),this.prerenderSize_=this.viewer_.getPrerenderSize(),this.documentReady_&&this.firstPassAfterDocumentReady_&&(this.firstPassAfterDocumentReady_=!1,this.viewer_.postDocumentReady(this.viewport_.getSize().width,this.win.document.body.scrollHeight),this.updateScrollHeight_());var e=this.viewport_.getSize(),i=_.timer.now();if(f.log.fine(b,"PASS: at "+i+", visible=",this.visible_,", forceBuild=",this.forceBuild_,", relayoutAll=",this.relayoutAll_,", relayoutTop=",this.relayoutTop_,", viewportSize=",e.width,e.height,", prerenderSize=",this.prerenderSize_),this.pass_.cancel(),this.vsyncScheduled_=!1,t&&!this.visible_)return f.log.fine(b,"document become inactive"),void this.documentBecameInactive_();if(e.height>0&&e.width>0){this.hasMutateWork_()&&this.mutateWork_(),this.discoverWork_();var n=this.work_();this.hasMutateWork_()&&(n=Math.min(n,x)),this.visible_?(f.log.fine(b,"next pass:",n),this.schedulePass(n),this.updateScrollHeight_()):f.log.fine(b,"document is not visible: no scheduling")}},t.prototype.hasMutateWork_=function(){return this.deferredMutates_.length>0||this.requestsChangeHeight_.length>0},t.prototype.mutateWork_=function(){var t=this,e=_.timer.now(),i=this.viewport_.getRect(),n=i.height/10,r=i.height/4,o=Math.abs(this.lastVelocity_)<.01&&e-this.lastScrollTime_>x||e-this.lastScrollTime_>2*x;if(this.deferredMutates_.length>0){f.log.fine(b,"deferred mutates:",this.deferredMutates_.length);var s=this.deferredMutates_;this.deferredMutates_=[];for(var a=0;a<s.length;a++)s[a]()}this.requestsChangeHeight_.length>0&&!function(){f.log.fine(b,"change height requests:",t.requestsChangeHeight_.length);var e=t.requestsChangeHeight_;t.requestsChangeHeight_=[];for(var s=-1,a=[],l=0;l<e.length;l++){var u=e[l],c=u.resource,h=u.resource.getLayoutBox();if(h.height!=u.newHeight){var p=!1;u.force||!t.visible_?p=!0:t.activeHistory_.hasDescendantsOf(c.element)?p=!0:h.bottom>=i.bottom-r?p=!0:h.bottom<=i.top+n?o?(p=!1,a.push(u)):t.requestsChangeHeight_.push(u):u.newHeight<h.height?p=!1:u.resource.overflowCallback(!0,u.newHeight),p&&(h.top>=0&&(s=-1==s?h.top:Math.min(s,h.top)),u.resource.changeHeight(u.newHeight,u.callback),u.newHeight>0&&u.resource.overflowCallback(!1,u.newHeight))}}-1!=s&&(t.relayoutTop_=s),a.length>0&&t.vsync_.run({measure:function(e){e.scrollHeight=t.viewport_.getScrollHeight(),e.scrollTop=t.viewport_.getScrollTop()},mutate:function(e){var i=-1;a.forEach(function(t){var e=t.resource.getLayoutBox();i=-1==i?e.top:Math.min(i,e.top),t.resource.changeHeight(t.newHeight)}),-1!=i&&(t.relayoutTop_=i);var n=t.viewport_.getScrollHeight();n>e.scrollHeight&&t.viewport_.setScrollTop(e.scrollTop+(n-e.scrollHeight))}})}()},t.prototype.checkPendingChangeHeight_=function(t){var e=u.closest(t,function(t){return t[w]});if(e){var i=this.getResourceForElement(e),n=i.getPendingChangeHeight();void 0!==n&&this.scheduleChangeHeight_(i,n,!0)}},t.prototype.discoverWork_=function(){var t=_.timer.now(),e=this.relayoutAll_;this.relayoutAll_=!1;var i=this.relayoutTop_;this.relayoutTop_=-1;for(var n=0,r=0;r<this.resources_.length;r++){var o=this.resources_[r];o.getState()==H.NOT_BUILT&&o.build(this.forceBuild_),(o.getState()==H.NOT_LAID_OUT||e)&&(o.applySizesAndMediaQuery(),n++)}if(n>0||e||-1!=i)for(var r=0;r<this.resources_.length;r++){var o=this.resources_[r];o.getState()==H.NOT_BUILT||o.hasOwner()||(e||o.getState()==H.NOT_LAID_OUT||-1!=i&&o.getLayoutBox().bottom>=i)&&o.measure()}var s=this.viewport_.getRect(),a=void 0;a=this.visible_?h.expandLayoutRect(s,.25,2):this.prerenderSize_>0?h.expandLayoutRect(s,0,this.prerenderSize_-1):null;var l=this.visible_?h.expandLayoutRect(s,.25,.25):s;if(a)for(var r=0;r<this.resources_.length;r++){var o=this.resources_[r];o.getState()!=H.READY_FOR_LAYOUT||o.hasOwner()||o.isDisplayed()&&o.overlaps(a)&&this.scheduleLayoutOrPreload_(o,!0)}for(var r=0;r<this.resources_.length;r++){var o=this.resources_[r];if(!o.hasOwner()){var u=this.visible_&&o.isDisplayed()&&o.overlaps(l);o.isInViewport()!=u&&o.setInViewport(u)}}if(this.visible_&&0==this.exec_.getSize()&&0==this.queue_.getSize()&&t>this.exec_.getLastDequeueTime()+5e3)for(var c=0,r=0;r<this.resources_.length;r++){var o=this.resources_[r];if(o.getState()==H.READY_FOR_LAYOUT&&!o.hasOwner()&&o.isDisplayed()&&(f.log.fine(b,"idle layout:",o.debugid),this.scheduleLayoutOrPreload_(o,!1),c++,c>=4))break}},t.prototype.documentBecameInactive_=function(){for(var t=0;t<this.resources_.length;t++){var e=this.resources_[t];e.documentBecameInactive()}},t.prototype.work_=function(){var t=_.timer.now(),e=this.calcTaskScore_.bind(this,this.viewport_.getRect(),Math.sign(this.lastVelocity_)),i=-1,n=this.queue_.peek(e);if(n)do{if(i=this.calcTaskTimeout_(n),f.log.fine(b,"peek from queue:",n.id,"sched at",n.scheduleTime,"score",e(n),"timeout",i),i>16)break;this.queue_.dequeue(n);var r=this.exec_.getTaskById(n.id);r?r.promise.then(this.reschedule_.bind(this,n),this.reschedule_.bind(this,n)):(n.promise=n.callback(this.visible_),n.startTime=t,f.log.fine(b,"exec:",n.id,"at",n.startTime),this.exec_.enqueue(n),n.promise.then(this.taskComplete_.bind(this,n,!0),this.taskComplete_.bind(this,n,!1))["catch"](m.reportError)),n=this.queue_.peek(e),i=-1}while(n);if(f.log.fine(b,"queue size:",this.queue_.getSize()),f.log.fine(b,"exec size:",this.exec_.getSize()),i>=0)return i;var o=2*(t-this.exec_.getLastDequeueTime());return o=Math.max(Math.min(3e4,o),5e3)},t.prototype.calcTaskScore_=function(t,e,i){var n=i.resource.getLayoutBox(),r=Math.floor((n.top-t.top)/t.height);return 0!=r&&Math.sign(r)!=(e||1)&&(r*=2),r=Math.abs(r),i.priority*O+r},t.prototype.calcTaskTimeout_=function(t){if(0==this.exec_.getSize())return 0;var e=_.timer.now(),i=0;return this.exec_.forEach(function(n){var r=Math.max((t.priority-n.priority)*L,0);i=Math.max(i,r-(e-n.startTime))}),i},t.prototype.reschedule_=function(t){this.queue_.getTaskById(t.id)||this.queue_.enqueue(t)},t.prototype.taskComplete_=function(t,e,i){return this.exec_.dequeue(t),this.schedulePass(A),e?void 0:(f.log.error(b,"task failed:",t.id,t.resource.debugid,i),Promise.reject(i))},t.prototype.scheduleChangeHeight_=function(t,e,i,n){if(t.resetPendingChangeHeight(),t.getLayoutBox().height!=e){for(var r=null,o=0;o<this.requestsChangeHeight_.length;o++)if(this.requestsChangeHeight_[o].resource==t){r=this.requestsChangeHeight_[o];break}r?(r.newHeight=e,r.force=i||r.force,r.callback=n):this.requestsChangeHeight_.push({resource:t,newHeight:e,force:i,callback:n}),this.schedulePassVsync()}},t.prototype.scheduleDeferredMutate_=function(t,e){this.deferredMutates_.push(e)},t.prototype.scheduleLayoutOrPreload_=function(t,e,i){l.assert(t.getState()!=H.NOT_BUILT&&t.isDisplayed(),"Not ready for layout: %s (%s)",t.debugid,t.getState()),(this.visible_||t.prerenderAllowed())&&(t.isInViewport()||t.renderOutsideViewport())&&(e?this.schedule_(t,S,C,i||0,t.startLayout.bind(t)):this.schedule_(t,T,k,i||0,t.startLayout.bind(t)))},t.prototype.scheduleLayoutOrPreloadForSubresources_=function(t,e,i){var n=this,r=[];this.discoverResourcesForArray_(t,i,function(t){t.getState()!=H.NOT_BUILT&&r.push(t)}),r.length>0&&r.forEach(function(i){i.measure(),i.getState()==H.READY_FOR_LAYOUT&&i.isDisplayed()&&n.scheduleLayoutOrPreload_(i,e,t.getPriority())})},t.prototype.schedule_=function(t,e,i,n,r){var o=t.debugid+"#"+e,s={id:o,resource:t,priority:Math.max(t.getPriority(),n)+i,callback:r,scheduleTime:_.timer.now()};f.log.fine(b,"schedule:",s.id,"at",s.scheduleTime);var a=this.queue_.getTaskById(o);(!a||s.priority<a.priority)&&(a&&this.queue_.dequeue(a),this.queue_.enqueue(s),this.schedulePass(this.calcTaskTimeout_(s))),s.resource.layoutScheduled()},t.prototype.updateInViewportForSubresources_=function(t,e,i){var n=t.isInViewport()&&i;this.discoverResourcesForArray_(t,e,function(t){t.setInViewport(n)})},t.prototype.discoverResourcesForArray_=function(t,e,i){var n=this;e.forEach(function(e){l.assert(t.element.contains(e)),n.discoverResourcesForElement_(e,i)})},t.prototype.discoverResourcesForElement_=function(t,e){if(t.classList.contains("-amp-element"))e(this.getResourceForElement(t));else for(var i=t.getElementsByClassName("-amp-element"),n=[],r=0;r<i.length;r++){for(var o=i[r],s=!1,a=0;a<n.length;a++)if(n[a].contains(o)){s=!0;break}s||(n.push(o),e(this.getResourceForElement(o)))}},t}();i.Resources=P;var I=function(){function t(e,i,r){babelHelpers.classCallCheck(this,t),this.id_=e,this.element=i,this.debugid=i.tagName.toLowerCase()+"#"+e,this.resources_=r,this.blacklisted_=!1,this.owner_=void 0,this.priority_=n(i.tagName),this.state_=i.isBuilt()?H.NOT_LAID_OUT:H.NOT_BUILT,this.layoutCount_=0,this.layoutBox_=h.layoutRectLtwh(-1e4,-1e4,0,0),this.isInViewport_=!1,this.onUpgraded_,this.pendingChangeHeight_}return t.prototype.getId=function(){return this.id_},t.prototype.getOwner=function(){if(void 0===this.owner_){for(var t=this.element;t;t=t.parentElement)if(t[E]){this.owner_=t[E];break}void 0===this.owner_&&(this.owner_=null)}return this.owner_},t.prototype.hasOwner=function(){return!!this.getOwner()},t.prototype.getPriority=function(){return this.priority_},t.prototype.getState=function(){return this.state_},t.prototype.build=function(t){if(this.blacklisted_||!this.element.isUpgraded())return!1;var e=void 0;try{e=this.element.build(t)}catch(i){f.log.error(b,"failed to build:",this.debugid,i),e=!1,this.blacklisted_=!0}return e?(this.state_=H.NOT_LAID_OUT,!0):!1},t.prototype.applySizesAndMediaQuery=function(){this.element.applySizesAndMediaQuery()},t.prototype.changeHeight=function(t,e){this.element.changeHeight(t),this.state_!=H.NOT_BUILT&&(this.state_=H.NOT_LAID_OUT),e&&e()},t.prototype.overflowCallback=function(t,e){t&&(this.pendingChangeHeight_=e),this.element.overflowCallback(t,e)},t.prototype.resetPendingChangeHeight=function(){this.pendingChangeHeight_=void 0},t.prototype.getPendingChangeHeight=function(){return this.pendingChangeHeight_},t.prototype.measure=function(){if(l.assert(this.element.isUpgraded(),"Must be upgraded to measure: %s",this.debugid),this.state_!=H.NOT_BUILT){var t=this.resources_.viewport_.getLayoutRect(this.element);(this.state_==H.NOT_LAID_OUT||this.layoutBox_.top!=t.top||this.layoutBox_.width!=t.width||this.layoutBox_.height!=t.height)&&(this.state_==H.NOT_LAID_OUT||this.element.isRelayoutNeeded())&&(this.state_=H.READY_FOR_LAYOUT),this.layoutBox_=t,this.element.updateLayoutBox(t)}},t.prototype.getLayoutBox=function(){return this.layoutBox_},t.prototype.isDisplayed=function(){return this.layoutBox_.height>0&&this.layoutBox_.width>0},t.prototype.overlaps=function(t){return h.layoutRectsOverlap(this.layoutBox_,t)},t.prototype.prerenderAllowed=function(){return this.element.prerenderAllowed()},t.prototype.renderOutsideViewport=function(){return this.element.renderOutsideViewport()},t.prototype.layoutScheduled=function(){this.state_=H.LAYOUT_SCHEDULED},t.prototype.startLayout=function(t){var e=this;if(this.layoutPromise_)return this.layoutPromise_;if(this.state_==H.LAYOUT_COMPLETE)return Promise.resolve();if(this.state_==H.LAYOUT_FAILED)return Promise.reject("already failed");if(l.assert(this.state_!=H.NOT_BUILT,"Not ready to start layout: %s (%s)",this.debugid,this.state_),!t&&!this.prerenderAllowed())return f.log.fine(b,"layout canceled due to non pre-renderable element:",this.debugid,this.state_),this.state_=H.READY_FOR_LAYOUT,Promise.resolve();if(!this.renderOutsideViewport()&&!this.isInViewport())return f.log.fine(b,"layout canceled due to element not being in viewport:",this.debugid,this.state_),this.state_=H.READY_FOR_LAYOUT,Promise.resolve();if(this.measure(),!this.isDisplayed())return f.log.fine(b,"layout canceled due to element loosing display:",this.debugid,this.state_),Promise.resolve();if(this.layoutCount_>0&&!this.element.isRelayoutNeeded())return f.log.fine(b,"layout canceled since it wasn't requested:",this.debugid,this.state_),this.state_=H.LAYOUT_COMPLETE,Promise.resolve();f.log.fine(b,"start layout:",this.debugid,"count:",this.layoutCount_),this.layoutCount_++,this.state_=H.LAYOUT_SCHEDULED;var i=void 0;try{i=this.element.layoutCallback()}catch(n){return Promise.reject(n)}return this.layoutPromise_=i.then(function(){return e.layoutComplete_(!0)},function(t){return e.layoutComplete_(!1,t)}),this.layoutPromise_},t.prototype.layoutComplete_=function(t,e){return this.layoutPromise_=null,this.state_=t?H.LAYOUT_COMPLETE:H.LAYOUT_FAILED,t?void f.log.fine(b,"layout complete:",this.debugid):(f.log.fine(b,"loading failed:",this.debugid,e),Promise.reject(e))},t.prototype.isInViewport=function(){return this.isInViewport_},t.prototype.setInViewport=function(t){t!=this.isInViewport_&&(f.log.fine(b,"inViewport:",this.debugid,t),this.isInViewport_=t,this.element.viewportCallback(t))},t.prototype.documentBecameInactive=function(){this.state_!=H.NOT_BUILT&&(this.isInViewport()&&this.setInViewport(!1),this.element.documentInactiveCallback()&&(this.state_=H.NOT_LAID_OUT))},t.prototype.forceAll=function(){var t=this;l.assert(!this.resources_.isRuntimeOn_);var e=Promise.resolve();return this.state_==H.NOT_BUILT&&(this.element.isUpgraded()||(e=e.then(function(){return new Promise(function(e){t.onUpgraded_=e})})),e=e.then(function(){t.onUpgraded_=void 0,t.build(!0)})),e.then(function(){if(t.applySizesAndMediaQuery(),t.measure(),t.layoutPromise_)return t.layoutPromise_;if(t.state_==H.LAYOUT_COMPLETE||t.state_==H.LAYOUT_FAILED||t.layoutCount_>0)return Promise.resolve();if(!t.isDisplayed())return Promise.resolve();t.layoutCount_++;try{return t.element.layoutCallback()}catch(e){return Promise.reject(e)}})},t}();i.Resource=I;var R=function(){function t(){babelHelpers.classCallCheck(this,t),this.tasks_=[],this.taskIdMap_={},this.lastEnqueueTime_=0,this.lastDequeueTime_=0}return t.prototype.getSize=function(){return this.tasks_.length},t.prototype.getLastEnqueueTime=function(){return this.lastEnqueueTime_},t.prototype.getLastDequeueTime=function(){return this.lastDequeueTime_},t.prototype.getTaskById=function(t){return this.taskIdMap_[t]||null},t.prototype.enqueue=function(t){l.assert(!this.taskIdMap_[t.id],"Task already enqueued: %s",t.id),this.tasks_.push(t),this.taskIdMap_[t.id]=t,this.lastEnqueueTime_=_.timer.now()},t.prototype.dequeue=function(t){var e=this.taskIdMap_[t.id];return e?(this.tasks_.splice(this.tasks_.indexOf(e),1),delete this.taskIdMap_[t.id],this.lastDequeueTime_=_.timer.now(),!0):!1},t.prototype.peek=function(t){for(var e=1e6,i=null,n=0;n<this.tasks_.length;n++){var r=this.tasks_[n],o=t(r);e>o&&(e=o,i=r)}return i},t.prototype.forEach=function(t){this.tasks_.forEach(t)},t}();i.TaskQueue_=R;var H={NOT_BUILT:0,NOT_LAID_OUT:1,READY_FOR_LAYOUT:2,LAYOUT_SCHEDULED:3,LAYOUT_COMPLETE:4,LAYOUT_FAILED:5};i.ResourceState_=H},{"../asserts":55,"../document-state":63,"../dom":64,"../error":66,"../focus-history":71,"../input":72,"../layout-rect":74,"../log":77,"../pass":80,"../service":88,"../timer":101,"./viewer-impl":92,"./viewport-impl":93,"./vsync-impl":94}],92:[function(t,e,i){function n(t,e){var i=c.parseQueryString(t);for(var n in i)e[n]=i[n]}function r(t){return l.getService(t,"viewer",function(){return new _(t)})}i.__esModule=!0,i.parseParams_=n,i.installViewerService=r;var o=t("../observable"),s=t("../asserts"),a=t("../document-state"),l=t("../service"),u=t("../log"),c=t("../url"),h=t("../platform"),p="Viewer",d="__AMP__",f={NATURAL:"natural",VIRTUAL:"virtual",NATURAL_IOS_EMBED:"natural-ios-embed"};i.ViewportType=f;var m={VISIBLE:"visible",HIDDEN:"hidden"};i.VisibilityState=m;var _=function(){function t(e){var i=this;if(babelHelpers.classCallCheck(this,t),this.win=e,this.isEmbedded_=this.win.parent&&this.win.parent!=this.win,this.docState_=a.documentStateFor(window),this.isRuntimeOn_=!0,this.overtakeHistory_=!1,this.visibilityState_=m.VISIBLE,this.prerenderSize_=1,this.viewportType_=f.NATURAL,this.viewportWidth_=0,this.viewportHeight_=0,this.scrollTop_=0,this.paddingTop_=0,this.runtimeOnObservable_=new o.Observable,this.visibilityObservable_=new o.Observable,this.viewportObservable_=new o.Observable,this.historyPoppedObservable_=new o.Observable,this.messageDeliverer_=null,this.messageQueue_=[],this.params_={},this.whenVisibleResolve_=null,this.whenVisiblePromise_=new Promise(function(t){i.whenVisibleResolve_=t}),this.win.name&&0==this.win.name.indexOf(d)&&n(this.win.name.substring(d.length),this.params_),this.win.location.hash&&n(this.win.location.hash,this.params_),u.log.fine(p,"Viewer params:",this.params_),this.isRuntimeOn_=!parseInt(this.params_.off,10),u.log.fine(p,"- runtimeOn:",this.isRuntimeOn_),this.overtakeHistory_=parseInt(this.params_.history,10)||this.overtakeHistory_,u.log.fine(p,"- history:",this.overtakeHistory_),this.visibilityState_=this.params_.visibilityState||this.visibilityState_,u.log.fine(p,"- visibilityState:",this.visibilityState_),this.prerenderSize_=parseInt(this.params_.prerenderSize,10)||this.prerenderSize_,u.log.fine(p,"- prerenderSize:",this.prerenderSize_),this.viewportType_=this.params_.viewportType||this.viewportType_,this.viewportType_==f.NATURAL&&this.isEmbedded_&&h.platform.isIos()&&(this.viewportType_=f.NATURAL_IOS_EMBED),u.log.fine(p,"- viewportType:",this.viewportType_),this.viewportWidth_=parseInt(this.params_.width,10)||this.viewportWidth_,u.log.fine(p,"- viewportWidth:",this.viewportWidth_),this.viewportHeight_=parseInt(this.params_.height,10)||this.viewportHeight_,u.log.fine(p,"- viewportHeight:",this.viewportHeight_),this.scrollTop_=parseInt(this.params_.scrollTop,10)||this.scrollTop_,u.log.fine(p,"- scrollTop:",this.scrollTop_),this.paddingTop_=parseInt(this.params_.paddingTop,10)||this.paddingTop_,u.log.fine(p,"- padding-top:",this.paddingTop_),this.docState_.onVisibilityChanged(this.onVisibilityChange_.bind(this)),this.isEmbedded_){var r=c.removeFragment(this.win.location.href);r!=this.win.location.href&&this.win.history.replaceState&&(this.win.history.replaceState({},"",r),u.log.fine(p,"replace url:"+this.win.location.href))}this.onVisibilityChange_()}return t.prototype.onVisibilityChange_=function(){this.isVisible()&&this.whenVisibleResolve_(),this.visibilityObservable_.fire()},t.prototype.getParam=function(t){return this.params_[t]},t.prototype.isEmbedded=function(){return this.isEmbedded_},t.prototype.isRuntimeOn=function(){return this.isRuntimeOn_},t.prototype.toggleRuntime=function(){this.isRuntimeOn_=!this.isRuntimeOn_,u.log.fine(p,"Runtime state:",this.isRuntimeOn_),this.runtimeOnObservable_.fire(this.isRuntimeOn_)},t.prototype.onRuntimeState=function(t){return this.runtimeOnObservable_.add(t)},t.prototype.isOvertakeHistory=function(){return this.overtakeHistory_},t.prototype.getVisibilityState=function(){return this.visibilityState_},t.prototype.isVisible=function(){return this.visibilityState_==m.VISIBLE&&!this.docState_.isHidden()},t.prototype.whenVisible=function(){return this.whenVisiblePromise_},t.prototype.getPrerenderSize=function(){return this.prerenderSize_},t.prototype.getViewportType=function(){return this.viewportType_},t.prototype.getViewportWidth=function(){return this.viewportWidth_},t.prototype.getViewportHeight=function(){return this.viewportHeight_},t.prototype.getScrollTop=function(){return this.scrollTop_},t.prototype.getPaddingTop=function(){return this.paddingTop_},t.prototype.onVisibilityChanged=function(t){return this.visibilityObservable_.add(t)},t.prototype.onViewportEvent=function(t){return this.viewportObservable_.add(t)},t.prototype.onHistoryPoppedEvent=function(t){return this.historyPoppedObservable_.add(t)},t.prototype.postDocumentReady=function(t,e){this.sendMessage_("documentLoaded",{width:t,height:e},!1)},t.prototype.postDocumentResized=function(t,e){this.sendMessage_("documentResized",{width:t,height:e},!1)},t.prototype.requestFullOverlay=function(){return this.sendMessage_("requestFullOverlay",{},!0)},t.prototype.cancelFullOverlay=function(){return this.sendMessage_("cancelFullOverlay",{},!0)},t.prototype.postPushHistory=function(t){return this.sendMessage_("pushHistory",{stackIndex:t},!0)},t.prototype.postPopHistory=function(t){return this.sendMessage_("popHistory",{stackIndex:t},!0)},t.prototype.getBaseCid=function(){return this.sendMessage_("cid",void 0,!0)},t.prototype.receiveMessage=function(t,e,i){return"viewport"==t?(void 0!==e.width&&(this.viewportWidth_=e.width),void 0!==e.height&&(this.viewportHeight_=e.height),void 0!==e.paddingTop&&(this.paddingTop_=e.paddingTop),void 0!==e.scrollTop&&(this.scrollTop_=e.scrollTop),void this.viewportObservable_.fire()):"historyPopped"==t?(this.historyPoppedObservable_.fire({newStackIndex:e.newStackIndex}),Promise.resolve()):"visibilitychange"==t?(void 0!==e.state&&(this.visibilityState_=e.state),void 0!==e.prerenderSize&&(this.prerenderSize_=e.prerenderSize),u.log.fine(p,"visibilitychange event:",this.visibilityState_,this.prerenderSize_),this.onVisibilityChange_(),Promise.resolve()):void u.log.fine(p,"unknown message:",t)},t.prototype.setMessageDeliverer=function(t){var e=this;if(s.assert(!this.messageDeliverer_,"message deliverer can only be set once"),this.messageDeliverer_=t,this.messageQueue_.length>0){var i=this.messageQueue_.slice(0);this.messageQueue_=[],i.forEach(function(t){e.messageDeliverer_(t.eventType,t.data,!1)})}},t.prototype.sendMessage_=function(t,e,i){if(this.messageDeliverer_)return this.messageDeliverer_(t,e,i);for(var n=null,r=0;r<this.messageQueue_.length;r++)if(this.messageQueue_[r].eventType==t){n=this.messageQueue_[r];break}return n?n.data=e:this.messageQueue_.push({eventType:t,data:e}),i?Promise.resolve():void 0},t}();i.Viewer=_},{"../asserts":55,"../document-state":63,"../log":77,"../observable":79,"../platform":82,"../service":88,"../url":103}],93:[function(t,e,i){function n(t){var e=Object.create(null);if(!t)return e;for(var i=t.split(","),n=0;n<i.length;n++){var r=i[n],o=r.split("="),s=o[0].trim(),a=o[1];a=(a||"").trim(),s&&(e[s]=a)}return e}function r(t){var e="";for(var i in t)e.length>0&&(e+=","),e+=t[i]?i+"="+t[i]:i;return e}function o(t,e){var i=n(t),o=!1;for(var s in e)i[s]!==e[s]&&(o=!0,void 0!==e[s]?i[s]=e[s]:delete i[s]);return o?r(i):t}function s(t){var e=v.installViewerService(t),i=void 0;return i="virtual"==e.getViewportType()?new E(t,e):"natural-ios-embed"==e.getViewportType()?new w(t):new b(t),new y(t,i,e)}function a(t){return u.getService(t,"viewport",function(){return s(t)})}i.__esModule=!0,i.parseViewportMeta=n,i.stringifyViewportMeta=r,i.updateViewportMetaString=o,i.installViewportService=a;var l=t("../observable"),u=t("../service"),c=t("../layout-rect"),h=t("../log"),p=t("../document-state"),d=t("../platform"),f=t("../style"),m=t("../timer"),_=t("./vsync-impl"),v=t("./viewer-impl"),g="Viewport",y=function(){function t(e,i,n){var r=this;babelHelpers.classCallCheck(this,t),this.win_=e,this.binding_=i,this.viewer_=n,this.size_=null,this.scrollTop_=null,this.lastMeasureScrollTop_=null,this.scrollLeft_=null,this.paddingTop_=n.getPaddingTop(),this.scrollMeasureTime_=0,this.vsync_=_.installVsyncService(e),this.scrollTracking_=!1,this.scrollCount_=0,this.changeObservable_=new l.Observable,this.scrollObservable_=new l.Observable,this.viewportMeta_=void 0,this.originalViewportMetaString_=void 0,this.boundThrottledScroll_=this.throttledScroll_.bind(this),this.viewer_.onViewportEvent(function(){r.binding_.updateViewerViewport(r.viewer_);var t=r.viewer_.getPaddingTop();t!=r.paddingTop_&&(r.paddingTop_=t,r.binding_.updatePaddingTop(r.paddingTop_))}),this.binding_.updateViewerViewport(this.viewer_),this.binding_.updatePaddingTop(this.paddingTop_),this.binding_.onScroll(this.scroll_.bind(this)),this.binding_.onResize(this.resize_.bind(this))}return t.prototype.cleanup_=function(){this.binding_.cleanup_()},t.prototype.getPaddingTop=function(){return this.paddingTop_},t.prototype.getTop=function(){return this.getScrollTop()},t.prototype.getScrollTop=function(){
return null==this.scrollTop_&&(this.scrollTop_=this.binding_.getScrollTop()),this.scrollTop_},t.prototype.getScrollLeft=function(){return null==this.scrollLeft_&&(this.scrollLeft_=this.binding_.getScrollLeft()),this.scrollLeft_},t.prototype.setScrollTop=function(t){this.scrollTop_=null,this.binding_.setScrollTop(t)},t.prototype.getSize=function(){return this.size_?this.size_:this.size_=this.binding_.getSize()},t.prototype.getWidth=function(){return this.getSize().width},t.prototype.getScrollWidth=function(){return this.binding_.getScrollWidth()},t.prototype.getScrollHeight=function(){return this.binding_.getScrollHeight()},t.prototype.getRect=function(){var t=this.getScrollTop(),e=this.getScrollLeft(),i=this.getSize();return c.layoutRectLtwh(e,t,i.width,i.height)},t.prototype.getLayoutRect=function(t){return this.binding_.getLayoutRect(t)},t.prototype.scrollIntoView=function(t){var e=this.binding_.getLayoutRect(t).top,i=Math.max(0,e-this.paddingTop_);this.binding_.setScrollTop(i)},t.prototype.onChanged=function(t){return this.changeObservable_.add(t)},t.prototype.onScroll=function(t){return this.scrollObservable_.add(t)},t.prototype.resetTouchZoom=function(){var t=this,e=this.win_.innerHeight,i=this.win_.document.documentElement.clientHeight;e&&i&&e===i||this.disableTouchZoom()&&m.timer.delay(function(){t.restoreOriginalTouchZoom()},50)},t.prototype.disableTouchZoom=function(){var t=this.getViewportMeta_();if(!t)return!1;var e=o(t.content,{"maximum-scale":"1","user-scalable":"no"});return this.setViewportMetaString_(e)},t.prototype.restoreOriginalTouchZoom=function(){return void 0!==this.originalViewportMetaString_?this.setViewportMetaString_(this.originalViewportMetaString_):!1},t.prototype.hasScrolled=function(){return this.scrollCount_>0},t.prototype.setViewportMetaString_=function(t){var e=this.getViewportMeta_();return e&&e.content!=t?(h.log.fine(g,"changed viewport meta to:",t),e.content=t,!0):!1},t.prototype.getViewportMeta_=function(){return this.viewer_.isEmbedded()?null:(void 0===this.viewportMeta_&&(this.viewportMeta_=this.win_.document.querySelector("meta[name=viewport]"),this.viewportMeta_&&(this.originalViewportMetaString_=this.viewportMeta_.content)),this.viewportMeta_)},t.prototype.changed_=function(t,e){var i=this.getSize(),n=this.getScrollTop();h.log.fine(g,"changed event:","relayoutAll=",t,"top=",n,"bottom=",n+i.height,"velocity=",e),this.changeObservable_.fire({relayoutAll:t,top:n,width:i.width,height:i.height,velocity:e})},t.prototype.scroll_=function(){var t=this;this.scrollCount_++,this.scrollLeft_=this.binding_.getScrollLeft();var e=this.binding_.getScrollTop();0>e||(this.scrollTop_=e,this.scrollTracking_||!function(){t.scrollTracking_=!0;var i=m.timer.now();m.timer.delay(function(){return t.vsync_.measure(t.throttledScroll_.bind(t,i,e))},36)}(),this.scrollObservable_.fire())},t.prototype.throttledScroll_=function(t,e){var i=this;this.scrollTracking_=!1;var n=this.scrollTop_=this.binding_.getScrollTop(),r=m.timer.now(),o=0;r!=t&&(o=(n-e)/(r-t)),h.log.fine(g,"scroll: scrollTop="+n+"; velocity="+o),Math.abs(o)<.03?this.changed_(!1,o):m.timer.delay(function(){return i.vsync_.measure(i.throttledScroll_.bind(i,r,n))},20)},t.prototype.resize_=function(){var t=this.size_;this.size_=null;var e=this.getSize();this.changed_(!t||t.width!=e.width,0)},t}();i.Viewport=y;var b=(function(){function t(){babelHelpers.classCallCheck(this,t)}return t.prototype.onScroll=function(t){},t.prototype.onResize=function(t){},t.prototype.updateViewerViewport=function(t){},t.prototype.updatePaddingTop=function(t){},t.prototype.getSize=function(){},t.prototype.getScrollTop=function(){},t.prototype.setScrollTop=function(t){},t.prototype.getScrollLeft=function(){},t.prototype.getScrollWidth=function(){},t.prototype.getScrollHeight=function(){},t.prototype.getLayoutRect=function(t){},t.prototype.cleanup_=function(){},t}(),function(){function t(e){var i=this;babelHelpers.classCallCheck(this,t),this.win=e,this.scrollObservable_=new l.Observable,this.resizeObservable_=new l.Observable,this.win.addEventListener("scroll",function(){return i.scrollObservable_.fire()}),this.win.addEventListener("resize",function(){return i.resizeObservable_.fire()}),h.log.fine(g,"initialized natural viewport")}return t.prototype.cleanup_=function(){},t.prototype.onScroll=function(t){this.scrollObservable_.add(t)},t.prototype.onResize=function(t){this.resizeObservable_.add(t)},t.prototype.updateViewerViewport=function(t){},t.prototype.updatePaddingTop=function(t){this.win.document.documentElement.style.paddingTop=f.px(t)},t.prototype.getSize=function(){if(d.platform.isIos()&&!d.platform.isChrome()){var t=this.win.innerWidth,e=this.win.innerHeight;if(t&&e)return{width:t,height:e}}var i=this.win.document.documentElement;return{width:i.clientWidth,height:i.clientHeight}},t.prototype.getScrollTop=function(){return this.getScrollingElement_().scrollTop||this.win.pageYOffset},t.prototype.getScrollLeft=function(){return this.getScrollingElement_().scrollLeft||this.win.pageXOffset},t.prototype.getScrollWidth=function(){return this.getScrollingElement_().scrollWidth},t.prototype.getScrollHeight=function(){return this.getScrollingElement_().scrollHeight},t.prototype.getLayoutRect=function(t){var e=this.getScrollTop(),i=this.getScrollLeft(),n=t.getBoundingClientRect();return c.layoutRectLtwh(Math.round(n.left+i),Math.round(n.top+e),Math.round(n.width),Math.round(n.height))},t.prototype.setScrollTop=function(t){this.getScrollingElement_().scrollTop=t},t.prototype.getScrollingElement_=function(){var t=this.win.document;return t.scrollingElement?t.scrollingElement:t.body?t.body:t.documentElement},t}());i.ViewportBindingNatural_=b;var w=function(){function t(e){var i=this;babelHelpers.classCallCheck(this,t),this.win=e,this.scrollWidth_=0,this.scrollPosEl_=null,this.scrollMoveEl_=null,this.pos_={x:0,y:0},this.scrollObservable_=new l.Observable,this.resizeObservable_=new l.Observable,p.onDocumentReady(this.win.document,function(){m.timer.delay(function(){i.setup_()},0)}),this.win.addEventListener("resize",function(){return i.resizeObservable_.fire()}),h.log.fine(g,"initialized natural viewport for iOS embeds")}return t.prototype.setup_=function(){var t=this.win.document.documentElement,e=this.win.document.body;this.scrollWidth_=e.scrollWidth||0,f.setStyles(t,{overflow:"auto",webkitOverflowScrolling:"touch"}),f.setStyles(e,{overflow:"auto",webkitOverflowScrolling:"touch",position:"absolute",top:0,left:0,right:0,bottom:0}),this.scrollPosEl_=this.win.document.createElement("div"),this.scrollPosEl_.id="-amp-scrollpos",f.setStyles(this.scrollPosEl_,{position:"absolute",top:0,left:0,width:0,height:0,visibility:"hidden"}),e.appendChild(this.scrollPosEl_),this.scrollMoveEl_=this.win.document.createElement("div"),this.scrollMoveEl_.id="-amp-scrollmove",f.setStyles(this.scrollMoveEl_,{position:"absolute",top:0,left:0,width:0,height:0,visibility:"hidden"}),e.appendChild(this.scrollMoveEl_),this.endPosEl_=this.win.document.createElement("div"),this.endPosEl_.id="-amp-endpos",f.setStyles(this.endPosEl_,{width:0,height:0,visibility:"hidden"}),e.appendChild(this.endPosEl_),e.addEventListener("scroll",this.onScrolled_.bind(this))},t.prototype.updateViewerViewport=function(t){},t.prototype.updatePaddingTop=function(t){var e=this;p.onDocumentReady(this.win.document,function(){e.win.document.body.style.paddingTop=f.px(t)})},t.prototype.cleanup_=function(){},t.prototype.onScroll=function(t){this.scrollObservable_.add(t)},t.prototype.onResize=function(t){this.resizeObservable_.add(t)},t.prototype.getSize=function(){return{width:this.win.innerWidth,height:this.win.innerHeight}},t.prototype.getScrollTop=function(){return Math.round(this.pos_.y)},t.prototype.getScrollLeft=function(){return Math.round(this.pos_.x)},t.prototype.getScrollWidth=function(){return Math.max(this.scrollWidth_,this.win.innerWidth)},t.prototype.getScrollHeight=function(){return this.endPosEl_?Math.round(this.endPosEl_.getBoundingClientRect().top-this.scrollPosEl_.getBoundingClientRect().top):0},t.prototype.getLayoutRect=function(t){var e=t.getBoundingClientRect();return 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this.scrollTop_},t.prototype.getScrollLeft=function(){return 0},t.prototype.getScrollWidth=function(){return this.win.document.documentElement.scrollWidth},t.prototype.getScrollHeight=function(){return this.win.document.documentElement.scrollHeight},t.prototype.getLayoutRect=function(t){var e=t.getBoundingClientRect();return c.layoutRectLtwh(Math.round(e.left),Math.round(e.top),Math.round(e.width),Math.round(e.height))},t.prototype.setScrollTop=function(t){},t}();i.ViewportBindingVirtual_=E},{"../document-state":63,"../layout-rect":74,"../log":77,"../observable":79,"../platform":82,"../service":88,"../style":98,"../timer":101,"./viewer-impl":92,"./vsync-impl":94}],94:[function(t,e,i){function n(t){return o.getService(t,"vsync",function(){return new c(t,l.installViewerService(t))})}i.__esModule=!0,i.installVsyncService=n;var r=t("../pass"),o=t("../service"),s=t("../log"),a=t("../timer"),l=t("./viewer-impl"),u=16,c=function(){function t(e,i){var 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t=this,e=this.win.requestAnimationFrame||this.win.webkitRequestAnimationFrame;if(e)return e.bind(this.win);var i=0;return function(e){var n=(new Date).getTime(),r=Math.max(0,u-(n-i));i=n+r,t.win.setTimeout(e,r)}},t}();i.Vsync=c},{"../log":77,"../pass":80,"../service":88,"../timer":101,"./viewer-impl":92}],95:[function(t,e,i){function n(t){var e=t.split(",");r.assert(e.length>0,"sizes has to have at least one size");var i=[];return e.forEach(function(t){if(t=t.replace(/\s+/g," ").trim(),0!=t.length){var e=void 0,n=void 0,r=t.lastIndexOf(" ");-1!=r?(e=t.substring(0,r).trim(),n=t.substring(r+1).trim()):(n=t,e=void 0),i.push({mediaQuery:e,size:o.assertLength(n)})}}),new s(i)}i.__esModule=!0,i.parseSizeList=n;var r=t("./asserts"),o=t("./layout"),s=function(){function t(e){babelHelpers.classCallCheck(this,t),r.assert(e.length>0,"SizeList must have at least one option"),this.sizes_=e;for(var i=0;i<e.length;i++){var n=e[i];i<e.length-1?r.assert(n.mediaQuery,"All options except for the last 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i=-1,n=1e6,r=1e6,o=0;o<this.sources_.length;o++){var s=this.sources_[o],a=void 0;a=s.width?s.width/e:n/2,n=Math.min(n,a);var l=Math.abs((a-t)/t-.2);r>l&&(r=l,i=o)}return i},t.prototype.selectByDpr_=function(t,e){for(var i=-1,n=1e6,r=0;r<this.sources_.length;r++){var o=this.sources_[r],s=o.dpr||1,a=Math.abs(s-e);n>a&&(n=a,i=r)}return i},t.prototype.getLast=function(){return this.sources_[this.sources_.length-1]},t}();i.Srcset=o},{"./asserts":55}],97:[function(t,e,i){function n(t){return t.replace(/-([a-z])/g,function(t,e){return e.toUpperCase()})}function r(t,e,i){for(var n=i||1,r=function(i){var n=0;return t=t.replace(/\${([^}]*)}/g,function(t,i){return n++,e(i)}),n?void 0:"break"},o=0;n>o;o++){var s=r(o);if("break"===s)break}return t}i.__esModule=!0,i.dashToCamelCase=n,i.expandTemplate=r},{}],98:[function(t,e,i){function n(t){return t.charAt(0).toUpperCase()+t.slice(1)}function r(t,e){for(var i=0;i<m.length;i++){var n=m[i]+e;if(void 0!==t[n])return n}return""}function o(t,e,i){var 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s=null;n?r.setAttribute("amp-runtime",""):s=t.querySelector("style[amp-runtime]"),o(t.head,r,s);var a=function(){for(var e=t.styleSheets,i=0;i<e.length;i++){var n=e[i];if(n.ownerNode==r)return!0}return!1};if(a())return void i();var l=setInterval(function(){a()&&(clearInterval(l),i())},4)}function r(t){var e=void 0,i=function(){t.body&&(s.setStyles(t.body,{opacity:1,visibility:"visible",animation:"none"}),clearInterval(e))};e=setInterval(i,4),i()}function o(t,e,i){i?i.nextSibling?t.insertBefore(e,i.nextSibling):t.appendChild(e):t.insertBefore(e,t.firstChild)}i.__esModule=!0,i.installStyles=n,i.makeBodyVisible=r;var s=t("./style")},{"./style":98}],100:[function(t,e,i){function n(t,e,i){return r(t).registerTemplate_(e,i)}function r(t){return a.getService(t,"templates",function(){return new h(t)})}i.__esModule=!0,i.registerExtendedTemplate=n,i.templatesFor=r;var o=t("./asserts"),s=t("./dom"),a=t("./service"),l="__AMP_IMPL_",u="__AMP_WAIT_",c=function(){function 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