Refactoring of Javascript code

This commit is contained in:
Frédéric Guillot 2019-07-17 20:27:39 -07:00
parent 34421dcd49
commit 2b6e17c1ef
15 changed files with 573 additions and 593 deletions

View file

@ -189,17 +189,10 @@ func main() {
"ui/static/js/dom_helper.js",
"ui/static/js/touch_handler.js",
"ui/static/js/keyboard_handler.js",
"ui/static/js/mouse_handler.js",
"ui/static/js/form_handler.js",
"ui/static/js/request_builder.js",
"ui/static/js/unread_counter_handler.js",
"ui/static/js/entry_handler.js",
"ui/static/js/feed_handler.js",
"ui/static/js/confirm_handler.js",
"ui/static/js/menu_handler.js",
"ui/static/js/modal_handler.js",
"ui/static/js/nav_handler.js",
"ui/static/js/link_state_handler.js",
"ui/static/js/app.js",
"ui/static/js/bootstrap.js",
},
"sw": []string{

1
go.sum
View file

@ -21,6 +21,7 @@ github.com/tdewolff/minify/v2 v2.3.8 h1:Eyv23Tu+Rb5Q2vyxmvzUgtHetgneqAsaGv3950s1
github.com/tdewolff/minify/v2 v2.3.8/go.mod h1:DD1stRlSx6JsHfl1+E/HVMQeXiec9rD1UQ0epklIZLc=
github.com/tdewolff/parse/v2 v2.3.5 h1:/uS8JfhwVJsNkEh769GM5ENv6L9LOh2Z9uW3tCdlhs0=
github.com/tdewolff/parse/v2 v2.3.5/go.mod h1:HansaqmN4I/U7L6/tUp0NcwT2tFO0F4EAWYGSDzkYNk=
github.com/tdewolff/test v1.0.0 h1:jOwzqCXr5ePXEPGJaq2ivoR6HOCi+D5TPfpoyg8yvmU=
github.com/tdewolff/test v1.0.0/go.mod h1:DiQUlutnqlEvdvhSn2LPGy4TFwRauAaYDsL+683RNX4=
golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9 h1:mKdxBk7AujPs8kU4m80U72y/zjbZ3UcXC7dClwKbUI0=
golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=

View file

@ -12,7 +12,7 @@ static findParent(element,selector){for(;element&&element!==document;element=ele
return null;}
static hasPassiveEventListenerOption(){var passiveSupported=false;try{var options=Object.defineProperty({},"passive",{get:function(){passiveSupported=true;}});window.addEventListener("test",options,options);window.removeEventListener("test",options,options);}catch(err){passiveSupported=false;}
return passiveSupported;}}
class TouchHandler{constructor(navHandler){this.navHandler=navHandler;this.reset();}
class TouchHandler{constructor(){this.reset();}
reset(){this.touch={start:{x:-1,y:-1},move:{x:-1,y:-1},element:null};}
calculateDistance(){if(this.touch.start.x>=-1&&this.touch.move.x>=-1){let horizontalDistance=Math.abs(this.touch.move.x-this.touch.start.x);let verticalDistance=Math.abs(this.touch.move.y-this.touch.start.y);if(horizontalDistance>30&&verticalDistance<70){return this.touch.move.x-this.touch.start.x;}}
return 0;}
@ -23,10 +23,10 @@ this.reset();this.touch.start.x=event.touches[0].clientX;this.touch.start.y=even
onTouchMove(event){if(event.touches===undefined||event.touches.length!==1||this.element===null){return;}
this.touch.move.x=event.touches[0].clientX;this.touch.move.y=event.touches[0].clientY;let distance=this.calculateDistance();let absDistance=Math.abs(distance);if(absDistance>0){let opacity=1-(absDistance>75?0.9:absDistance/75*0.9);let tx=distance>75?75:(distance<-75?-75:distance);this.touch.element.style.opacity=opacity;this.touch.element.style.transform="translateX("+tx+"px)";event.preventDefault();}}
onTouchEnd(event){if(event.touches===undefined){return;}
if(this.touch.element!==null){let distance=Math.abs(this.calculateDistance());if(distance>75){EntryHandler.toggleEntryStatus(this.touch.element);}
if(this.touch.element!==null){let distance=Math.abs(this.calculateDistance());if(distance>75){toggleEntryStatus(this.touch.element);}
this.touch.element.style.opacity=1;this.touch.element.style.transform="none";}
this.reset();}
listen(){let elements=document.querySelectorAll(".touch-item");let hasPassiveOption=DomHelper.hasPassiveEventListenerOption();elements.forEach((element)=>{element.addEventListener("touchstart",(e)=>this.onTouchStart(e),hasPassiveOption?{passive:true}:false);element.addEventListener("touchmove",(e)=>this.onTouchMove(e),hasPassiveOption?{passive:false}:false);element.addEventListener("touchend",(e)=>this.onTouchEnd(e),hasPassiveOption?{passive:true}:false);element.addEventListener("touchcancel",()=>this.reset(),hasPassiveOption?{passive:true}:false);});let entryContentElement=document.querySelector(".entry-content");if(entryContentElement){let doubleTapTimers={previous:null,next:null};const detectDoubleTap=(doubleTapTimer,event)=>{const timer=doubleTapTimers[doubleTapTimer];if(timer===null){doubleTapTimers[doubleTapTimer]=setTimeout(()=>{doubleTapTimers[doubleTapTimer]=null;},200);}else{event.preventDefault();this.navHandler.goToPage(doubleTapTimer);}};entryContentElement.addEventListener("touchend",(e)=>{if(e.changedTouches[0].clientX>=(entryContentElement.offsetWidth/2)){detectDoubleTap("next",e);}else{detectDoubleTap("previous",e);}},hasPassiveOption?{passive:false}:false);entryContentElement.addEventListener("touchmove",(e)=>{Object.keys(doubleTapTimers).forEach(timer=>doubleTapTimers[timer]=null);});}}}
listen(){let elements=document.querySelectorAll(".touch-item");let hasPassiveOption=DomHelper.hasPassiveEventListenerOption();elements.forEach((element)=>{element.addEventListener("touchstart",(e)=>this.onTouchStart(e),hasPassiveOption?{passive:true}:false);element.addEventListener("touchmove",(e)=>this.onTouchMove(e),hasPassiveOption?{passive:false}:false);element.addEventListener("touchend",(e)=>this.onTouchEnd(e),hasPassiveOption?{passive:true}:false);element.addEventListener("touchcancel",()=>this.reset(),hasPassiveOption?{passive:true}:false);});let entryContentElement=document.querySelector(".entry-content");if(entryContentElement){let doubleTapTimers={previous:null,next:null};const detectDoubleTap=(doubleTapTimer,event)=>{const timer=doubleTapTimers[doubleTapTimer];if(timer===null){doubleTapTimers[doubleTapTimer]=setTimeout(()=>{doubleTapTimers[doubleTapTimer]=null;},200);}else{event.preventDefault();goToPage(doubleTapTimer);}};entryContentElement.addEventListener("touchend",(e)=>{if(e.changedTouches[0].clientX>=(entryContentElement.offsetWidth/2)){detectDoubleTap("next",e);}else{detectDoubleTap("previous",e);}},hasPassiveOption?{passive:false}:false);entryContentElement.addEventListener("touchmove",(e)=>{Object.keys(doubleTapTimers).forEach(timer=>doubleTapTimers[timer]=null);});}}}
class KeyboardHandler{constructor(){this.queue=[];this.shortcuts={};}
on(combination,callback){this.shortcuts[combination]=callback;}
listen(){document.onkeydown=(event)=>{if(this.isEventIgnored(event)||this.isModifierKeyDown(event)){return;}
@ -37,75 +37,76 @@ isEventIgnored(event){return event.target.tagName==="INPUT"||event.target.tagNam
isModifierKeyDown(event){return event.getModifierState("Control")||event.getModifierState("Alt")||event.getModifierState("Meta");}
getKey(event){const mapping={'Esc':'Escape','Up':'ArrowUp','Down':'ArrowDown','Left':'ArrowLeft','Right':'ArrowRight'};for(let key in mapping){if(mapping.hasOwnProperty(key)&&key===event.key){return mapping[key];}}
return event.key;}}
class MouseHandler{onClick(selector,callback,noPreventDefault){let elements=document.querySelectorAll(selector);elements.forEach((element)=>{element.onclick=(event)=>{if(!noPreventDefault){event.preventDefault();}
callback(event);};});}}class FormHandler{static handleSubmitButtons(){let elements=document.querySelectorAll("form");elements.forEach((element)=>{element.onsubmit=()=>{let button=document.querySelector("button");if(button){button.innerHTML=button.dataset.labelLoading;button.disabled=true;}};});}}
class RequestBuilder{constructor(url){this.callback=null;this.url=url;this.options={method:"POST",cache:"no-cache",credentials:"include",body:null,headers:new Headers({"Content-Type":"application/json","X-Csrf-Token":this.getCsrfToken()})};}
withBody(body){this.options.body=JSON.stringify(body);return this;}
withCallback(callback){this.callback=callback;return this;}
getCsrfToken(){let element=document.querySelector("meta[name=X-CSRF-Token]");if(element!==null){return element.getAttribute("value");}
return "";}
execute(){fetch(new Request(this.url,this.options)).then((response)=>{if(this.callback){this.callback(response);}});}}
class UnreadCounterHandler{static decrement(n){this.updateValue((current)=>{return current-n;});}
static increment(n){this.updateValue((current)=>{return current+n;});}
static updateValue(callback){let counterElements=document.querySelectorAll("span.unread-counter");counterElements.forEach((element)=>{let oldValue=parseInt(element.textContent,10);element.innerHTML=callback(oldValue);});if(window.location.href.endsWith('/unread')){let oldValue=parseInt(document.title.split('(')[1],10);let newValue=callback(oldValue);document.title=document.title.replace(/(.*?)\(\d+\)(.*?)/,function(match,prefix,suffix,offset,string){return prefix+'('+newValue+')'+suffix;});}}}
class EntryHandler{static updateEntriesStatus(entryIDs,status,callback){let url=document.body.dataset.entriesStatusUrl;let request=new RequestBuilder(url);request.withBody({entry_ids:entryIDs,status:status});request.withCallback(callback);request.execute();if(status==="read"){UnreadCounterHandler.decrement(1);}else{UnreadCounterHandler.increment(1);}}
static toggleEntryStatus(element){let entryID=parseInt(element.dataset.id,10);let link=element.querySelector("a[data-toggle-status]");let currentStatus=link.dataset.value;let newStatus=currentStatus==="read"?"unread":"read";this.updateEntriesStatus([entryID],newStatus);if(currentStatus==="read"){link.innerHTML=link.dataset.labelRead;link.dataset.value="unread";}else{link.innerHTML=link.dataset.labelUnread;link.dataset.value="read";}
if(element.classList.contains("item-status-"+currentStatus)){element.classList.remove("item-status-"+currentStatus);element.classList.add("item-status-"+newStatus);}}
static toggleBookmark(element){element.innerHTML=element.dataset.labelLoading;let request=new RequestBuilder(element.dataset.bookmarkUrl);request.withCallback(()=>{if(element.dataset.value==="star"){element.innerHTML=element.dataset.labelStar;element.dataset.value="unstar";}else{element.innerHTML=element.dataset.labelUnstar;element.dataset.value="star";}});request.execute();}
static markEntryAsRead(element){if(element.classList.contains("item-status-unread")){element.classList.remove("item-status-unread");element.classList.add("item-status-read");let entryID=parseInt(element.dataset.id,10);this.updateEntriesStatus([entryID],"read");}}
static saveEntry(element){if(element.dataset.completed){return;}
element.innerHTML=element.dataset.labelLoading;let request=new RequestBuilder(element.dataset.saveUrl);request.withCallback(()=>{element.innerHTML=element.dataset.labelDone;element.dataset.completed=true;});request.execute();}
static fetchOriginalContent(element){if(element.dataset.completed){return;}
element.innerHTML=element.dataset.labelLoading;let request=new RequestBuilder(element.dataset.fetchContentUrl);request.withCallback((response)=>{element.innerHTML=element.dataset.labelDone;element.dataset.completed=true;response.json().then((data)=>{if(data.hasOwnProperty("content")){document.querySelector(".entry-content").innerHTML=data.content;}});});request.execute();}}
class FeedHandler{static unsubscribe(feedUrl,callback){let request=new RequestBuilder(feedUrl);request.withCallback(callback);request.execute();}}
class ConfirmHandler{executeRequest(url,redirectURL){let request=new RequestBuilder(url);request.withCallback(()=>{if(redirectURL){window.location.href=redirectURL;}else{window.location.reload();}});request.execute();}
handle(event){let questionElement=document.createElement("span");let linkElement=event.target;let containerElement=linkElement.parentNode;linkElement.style.display="none";let yesElement=document.createElement("a");yesElement.href="#";yesElement.appendChild(document.createTextNode(linkElement.dataset.labelYes));yesElement.onclick=(event)=>{event.preventDefault();let loadingElement=document.createElement("span");loadingElement.className="loading";loadingElement.appendChild(document.createTextNode(linkElement.dataset.labelLoading));questionElement.remove();containerElement.appendChild(loadingElement);if(linkElement.dataset.markPageAsRead){(new NavHandler()).markPageAsRead(event.target.dataset.showOnlyUnread||false);}else{this.executeRequest(linkElement.dataset.url,linkElement.dataset.redirectUrl);}};let noElement=document.createElement("a");noElement.href="#";noElement.appendChild(document.createTextNode(linkElement.dataset.labelNo));noElement.onclick=(event)=>{event.preventDefault();linkElement.style.display="inline";questionElement.remove();};questionElement.className="confirm";questionElement.appendChild(document.createTextNode(linkElement.dataset.labelQuestion+" "));questionElement.appendChild(yesElement);questionElement.appendChild(document.createTextNode(", "));questionElement.appendChild(noElement);containerElement.appendChild(questionElement);}}
class MenuHandler{clickMenuListItem(event){let element=event.target;if(element.tagName==="A"){window.location.href=element.getAttribute("href");}else{window.location.href=element.querySelector("a").getAttribute("href");}}
toggleMainMenu(){let menu=document.querySelector(".header nav ul");if(DomHelper.isVisible(menu)){menu.style.display="none";}else{menu.style.display="block";}
let searchElement=document.querySelector(".header .search");if(DomHelper.isVisible(searchElement)){searchElement.style.display="none";}else{searchElement.style.display="block";}}}
handle(event){let questionElement=document.createElement("span");let linkElement=event.target;let containerElement=linkElement.parentNode;linkElement.style.display="none";let yesElement=document.createElement("a");yesElement.href="#";yesElement.appendChild(document.createTextNode(linkElement.dataset.labelYes));yesElement.onclick=(event)=>{event.preventDefault();let loadingElement=document.createElement("span");loadingElement.className="loading";loadingElement.appendChild(document.createTextNode(linkElement.dataset.labelLoading));questionElement.remove();containerElement.appendChild(loadingElement);if(linkElement.dataset.markPageAsRead){markPageAsRead(event.target.dataset.showOnlyUnread||false);}else{this.executeRequest(linkElement.dataset.url,linkElement.dataset.redirectUrl);}};let noElement=document.createElement("a");noElement.href="#";noElement.appendChild(document.createTextNode(linkElement.dataset.labelNo));noElement.onclick=(event)=>{event.preventDefault();linkElement.style.display="inline";questionElement.remove();};questionElement.className="confirm";questionElement.appendChild(document.createTextNode(linkElement.dataset.labelQuestion+" "));questionElement.appendChild(yesElement);questionElement.appendChild(document.createTextNode(", "));questionElement.appendChild(noElement);containerElement.appendChild(questionElement);}}
class ModalHandler{static exists(){return document.getElementById("modal-container")!==null;}
static open(fragment){if(ModalHandler.exists()){return;}
let container=document.createElement("div");container.id="modal-container";container.appendChild(document.importNode(fragment,true));document.body.appendChild(container);let closeButton=document.querySelector("a.btn-close-modal");if(closeButton!==null){closeButton.onclick=(event)=>{event.preventDefault();ModalHandler.close();};}}
static close(){let container=document.getElementById("modal-container");if(container!==null){container.parentNode.removeChild(container);}}}
class NavHandler{setFocusToSearchInput(event){event.preventDefault();event.stopPropagation();let toggleSwitchElement=document.querySelector(".search-toggle-switch");if(toggleSwitchElement){toggleSwitchElement.style.display="none";}
function onClick(selector,callback,noPreventDefault){let elements=document.querySelectorAll(selector);elements.forEach((element)=>{element.onclick=(event)=>{if(!noPreventDefault){event.preventDefault();}
callback(event);};});}
function toggleMainMenu(){let menu=document.querySelector(".header nav ul");if(DomHelper.isVisible(menu)){menu.style.display="none";}else{menu.style.display="block";}
let searchElement=document.querySelector(".header .search");if(DomHelper.isVisible(searchElement)){searchElement.style.display="none";}else{searchElement.style.display="block";}}
function onClickMainMenuListItem(event){let element=event.target;if(element.tagName==="A"){window.location.href=element.getAttribute("href");}else{window.location.href=element.querySelector("a").getAttribute("href");}}
function handleSubmitButtons(){let elements=document.querySelectorAll("form");elements.forEach((element)=>{element.onsubmit=()=>{let button=document.querySelector("button");if(button){button.innerHTML=button.dataset.labelLoading;button.disabled=true;}};});}
function setFocusToSearchInput(event){event.preventDefault();event.stopPropagation();let toggleSwitchElement=document.querySelector(".search-toggle-switch");if(toggleSwitchElement){toggleSwitchElement.style.display="none";}
let searchFormElement=document.querySelector(".search-form");if(searchFormElement){searchFormElement.style.display="block";}
let searchInputElement=document.getElementById("search-input");if(searchInputElement){searchInputElement.focus();searchInputElement.value="";}}
showKeyboardShortcuts(){let template=document.getElementById("keyboard-shortcuts");if(template!==null){ModalHandler.open(template.content);}}
markPageAsRead(showOnlyUnread){let items=DomHelper.getVisibleElements(".items .item");let entryIDs=[];items.forEach((element)=>{element.classList.add("item-status-read");entryIDs.push(parseInt(element.dataset.id,10));});if(entryIDs.length>0){EntryHandler.updateEntriesStatus(entryIDs,"read",()=>{if(showOnlyUnread){window.location.reload();}else{this.goToPage("next",true);}});}}
saveEntry(){if(this.isListView()){let currentItem=document.querySelector(".current-item");if(currentItem!==null){let saveLink=currentItem.querySelector("a[data-save-entry]");if(saveLink){EntryHandler.saveEntry(saveLink);}}}else{let saveLink=document.querySelector("a[data-save-entry]");if(saveLink){EntryHandler.saveEntry(saveLink);}}}
fetchOriginalContent(){if(!this.isListView()){let link=document.querySelector("a[data-fetch-content-entry]");if(link){EntryHandler.fetchOriginalContent(link);}}}
toggleEntryStatus(){if(!this.isListView()){EntryHandler.toggleEntryStatus(document.querySelector(".entry"));return;}
let currentItem=document.querySelector(".current-item");if(currentItem!==null){this.goToNextListItem();EntryHandler.toggleEntryStatus(currentItem);}}
toggleBookmark(){if(!this.isListView()){this.toggleBookmarkLink(document.querySelector(".entry"));return;}
let currentItem=document.querySelector(".current-item");if(currentItem!==null){this.toggleBookmarkLink(currentItem);}}
toggleBookmarkLink(parent){let bookmarkLink=parent.querySelector("a[data-toggle-bookmark]");if(bookmarkLink){EntryHandler.toggleBookmark(bookmarkLink);}}
openOriginalLink(){let entryLink=document.querySelector(".entry h1 a");if(entryLink!==null){DomHelper.openNewTab(entryLink.getAttribute("href"));return;}
let currentItemOriginalLink=document.querySelector(".current-item a[data-original-link]");if(currentItemOriginalLink!==null){DomHelper.openNewTab(currentItemOriginalLink.getAttribute("href"));let currentItem=document.querySelector(".current-item");this.goToNextListItem();EntryHandler.markEntryAsRead(currentItem);}}
openSelectedItem(){let currentItemLink=document.querySelector(".current-item .item-title a");if(currentItemLink!==null){window.location.href=currentItemLink.getAttribute("href");}}
unsubscribeFromFeed(){let unsubscribeLinks=document.querySelectorAll("[data-action=remove-feed]");if(unsubscribeLinks.length===1){let unsubscribeLink=unsubscribeLinks[0];FeedHandler.unsubscribe(unsubscribeLink.dataset.url,()=>{if(unsubscribeLink.dataset.redirectUrl){window.location.href=unsubscribeLink.dataset.redirectUrl;}else{window.location.reload();}});}}
goToPage(page,fallbackSelf){let element=document.querySelector("a[data-page="+page+"]");if(element){document.location.href=element.href;}else if(fallbackSelf){window.location.reload();}}
goToPrevious(){if(this.isListView()){this.goToPreviousListItem();}else{this.goToPage("previous");}}
goToNext(){if(this.isListView()){this.goToNextListItem();}else{this.goToPage("next");}}
goToFeedOrFeeds(){if(this.isEntry()){let feedAnchor=document.querySelector("span.entry-website a");if(feedAnchor!==null){window.location.href=feedAnchor.href;}}else{this.goToPage('feeds');}}
goToPreviousListItem(){let items=DomHelper.getVisibleElements(".items .item");if(items.length===0){return;}
function showKeyboardShortcuts(){let template=document.getElementById("keyboard-shortcuts");if(template!==null){ModalHandler.open(template.content);}}
function markPageAsRead(){let items=DomHelper.getVisibleElements(".items .item");let entryIDs=[];items.forEach((element)=>{element.classList.add("item-status-read");entryIDs.push(parseInt(element.dataset.id,10));});if(entryIDs.length>0){updateEntriesStatus(entryIDs,"read",()=>{let element=document.querySelector("a[data-mark-page-as-read]");let showOnlyUnread=false;if(element){showOnlyUnread=element.dataset.showOnlyUnread;}
if(showOnlyUnread){window.location.reload();}else{goToPage("next",true);}});}}
function handleEntryStatus(){if(isListView()){let currentItem=document.querySelector(".current-item");if(currentItem!==null){goToNextListItem();toggleEntryStatus(currentItem);}}else{toggleEntryStatus(document.querySelector(".entry"));}}
function toggleEntryStatus(element){let entryID=parseInt(element.dataset.id,10);let link=element.querySelector("a[data-toggle-status]");let currentStatus=link.dataset.value;let newStatus=currentStatus==="read"?"unread":"read";updateEntriesStatus([entryID],newStatus);if(currentStatus==="read"){link.innerHTML=link.dataset.labelRead;link.dataset.value="unread";}else{link.innerHTML=link.dataset.labelUnread;link.dataset.value="read";}
if(element.classList.contains("item-status-"+currentStatus)){element.classList.remove("item-status-"+currentStatus);element.classList.add("item-status-"+newStatus);}}
function markEntryAsRead(element){if(element.classList.contains("item-status-unread")){element.classList.remove("item-status-unread");element.classList.add("item-status-read");let entryID=parseInt(element.dataset.id,10);updateEntriesStatus([entryID],"read");}}
function updateEntriesStatus(entryIDs,status,callback){let url=document.body.dataset.entriesStatusUrl;let request=new RequestBuilder(url);request.withBody({entry_ids:entryIDs,status:status});request.withCallback(callback);request.execute();if(status==="read"){decrementUnreadCounter(1);}else{incrementUnreadCounter(1);}}
function handleSaveEntry(){if(isListView()){let currentItem=document.querySelector(".current-item");if(currentItem!==null){saveEntry(currentItem.querySelector("a[data-save-entry]"));}}else{saveEntry(document.querySelector("a[data-save-entry]"));}}
function saveEntry(element){if(!element){return;}
if(element.dataset.completed){return;}
element.innerHTML=element.dataset.labelLoading;let request=new RequestBuilder(element.dataset.saveUrl);request.withCallback(()=>{element.innerHTML=element.dataset.labelDone;element.dataset.completed=true;});request.execute();}
function handleBookmark(){if(isListView()){let currentItem=document.querySelector(".current-item");if(currentItem!==null){toggleBookmark(currentItem);}}else{toggleBookmark(document.querySelector(".entry"));}}
function toggleBookmark(parentElement){let element=parentElement.querySelector("a[data-toggle-bookmark]");if(!element){return;}
element.innerHTML=element.dataset.labelLoading;let request=new RequestBuilder(element.dataset.bookmarkUrl);request.withCallback(()=>{if(element.dataset.value==="star"){element.innerHTML=element.dataset.labelStar;element.dataset.value="unstar";}else{element.innerHTML=element.dataset.labelUnstar;element.dataset.value="star";}});request.execute();}
function handleFetchOriginalContent(){if(isListView()){return;}
let element=document.querySelector("a[data-fetch-content-entry]");if(!element){return;}
if(element.dataset.completed){return;}
element.innerHTML=element.dataset.labelLoading;let request=new RequestBuilder(element.dataset.fetchContentUrl);request.withCallback((response)=>{element.innerHTML=element.dataset.labelDone;element.dataset.completed=true;response.json().then((data)=>{if(data.hasOwnProperty("content")){document.querySelector(".entry-content").innerHTML=data.content;}});});request.execute();}
function openOriginalLink(){let entryLink=document.querySelector(".entry h1 a");if(entryLink!==null){DomHelper.openNewTab(entryLink.getAttribute("href"));return;}
let currentItemOriginalLink=document.querySelector(".current-item a[data-original-link]");if(currentItemOriginalLink!==null){DomHelper.openNewTab(currentItemOriginalLink.getAttribute("href"));let currentItem=document.querySelector(".current-item");goToNextListItem();markEntryAsRead(currentItem);}}
function openSelectedItem(){let currentItemLink=document.querySelector(".current-item .item-title a");if(currentItemLink!==null){window.location.href=currentItemLink.getAttribute("href");}}
function unsubscribeFromFeed(){let unsubscribeLinks=document.querySelectorAll("[data-action=remove-feed]");if(unsubscribeLinks.length===1){let unsubscribeLink=unsubscribeLinks[0];let request=new RequestBuilder(unsubscribeLink.dataset.url);request.withCallback(()=>{if(unsubscribeLink.dataset.redirectUrl){window.location.href=unsubscribeLink.dataset.redirectUrl;}else{window.location.reload();}});request.execute();}}
function goToPage(page,fallbackSelf){let element=document.querySelector("a[data-page="+page+"]");if(element){document.location.href=element.href;}else if(fallbackSelf){window.location.reload();}}
function goToPrevious(){if(isListView()){goToPreviousListItem();}else{goToPage("previous");}}
function goToNext(){if(isListView()){goToNextListItem();}else{goToPage("next");}}
function goToFeedOrFeeds(){if(isEntry()){let feedAnchor=document.querySelector("span.entry-website a");if(feedAnchor!==null){window.location.href=feedAnchor.href;}}else{goToPage('feeds');}}
function goToPreviousListItem(){let items=DomHelper.getVisibleElements(".items .item");if(items.length===0){return;}
if(document.querySelector(".current-item")===null){items[0].classList.add("current-item");items[0].querySelector('.item-header a').focus();return;}
for(let i=0;i<items.length;i++){if(items[i].classList.contains("current-item")){items[i].classList.remove("current-item");if(i-1>=0){items[i-1].classList.add("current-item");DomHelper.scrollPageTo(items[i-1]);items[i-1].querySelector('.item-header a').focus();}
break;}}}
goToNextListItem(){let currentItem=document.querySelector(".current-item");let items=DomHelper.getVisibleElements(".items .item");if(items.length===0){return;}
function goToNextListItem(){let currentItem=document.querySelector(".current-item");let items=DomHelper.getVisibleElements(".items .item");if(items.length===0){return;}
if(currentItem===null){items[0].classList.add("current-item");items[0].querySelector('.item-header a').focus();return;}
for(let i=0;i<items.length;i++){if(items[i].classList.contains("current-item")){items[i].classList.remove("current-item");if(i+1<items.length){items[i+1].classList.add("current-item");DomHelper.scrollPageTo(items[i+1]);items[i+1].querySelector('.item-header a').focus();}
break;}}}
isEntry(){return document.querySelector("section.entry")!==null;}
isListView(){return document.querySelector(".items")!==null;}}
class LinkStateHandler{static flip(element){let labelElement=document.createElement("span");labelElement.className="link-flipped-state";labelElement.appendChild(document.createTextNode(element.dataset.labelNewState));element.parentNode.appendChild(labelElement);element.parentNode.removeChild(element);}}
document.addEventListener("DOMContentLoaded",function(){FormHandler.handleSubmitButtons();let navHandler=new NavHandler();if(!document.querySelector("body[data-disable-keyboard-shortcuts=true]")){let keyboardHandler=new KeyboardHandler();keyboardHandler.on("g u",()=>navHandler.goToPage("unread"));keyboardHandler.on("g b",()=>navHandler.goToPage("starred"));keyboardHandler.on("g h",()=>navHandler.goToPage("history"));keyboardHandler.on("g f",()=>navHandler.goToFeedOrFeeds());keyboardHandler.on("g c",()=>navHandler.goToPage("categories"));keyboardHandler.on("g s",()=>navHandler.goToPage("settings"));keyboardHandler.on("ArrowLeft",()=>navHandler.goToPrevious());keyboardHandler.on("ArrowRight",()=>navHandler.goToNext());keyboardHandler.on("k",()=>navHandler.goToPrevious());keyboardHandler.on("p",()=>navHandler.goToPrevious());keyboardHandler.on("j",()=>navHandler.goToNext());keyboardHandler.on("n",()=>navHandler.goToNext());keyboardHandler.on("h",()=>navHandler.goToPage("previous"));keyboardHandler.on("l",()=>navHandler.goToPage("next"));keyboardHandler.on("o",()=>navHandler.openSelectedItem());keyboardHandler.on("v",()=>navHandler.openOriginalLink());keyboardHandler.on("m",()=>navHandler.toggleEntryStatus());keyboardHandler.on("A",()=>{let element=document.querySelector("a[data-mark-page-as-read]");navHandler.markPageAsRead(element.dataset.showOnlyUnread||false);});keyboardHandler.on("s",()=>navHandler.saveEntry());keyboardHandler.on("d",()=>navHandler.fetchOriginalContent());keyboardHandler.on("f",()=>navHandler.toggleBookmark());keyboardHandler.on("?",()=>navHandler.showKeyboardShortcuts());keyboardHandler.on("#",()=>navHandler.unsubscribeFromFeed());keyboardHandler.on("/",(e)=>navHandler.setFocusToSearchInput(e));keyboardHandler.on("Escape",()=>ModalHandler.close());keyboardHandler.listen();}
let touchHandler=new TouchHandler(navHandler);touchHandler.listen();let mouseHandler=new MouseHandler();mouseHandler.onClick("a[data-save-entry]",(event)=>{EntryHandler.saveEntry(event.target);});mouseHandler.onClick("a[data-toggle-bookmark]",(event)=>{EntryHandler.toggleBookmark(event.target);});mouseHandler.onClick("a[data-toggle-status]",(event)=>{let currentItem=DomHelper.findParent(event.target,"entry");if(!currentItem){currentItem=DomHelper.findParent(event.target,"item");}
if(currentItem){EntryHandler.toggleEntryStatus(currentItem);}});mouseHandler.onClick("a[data-fetch-content-entry]",(event)=>{EntryHandler.fetchOriginalContent(event.target);});mouseHandler.onClick("a[data-on-click=markPageAsRead]",(event)=>{navHandler.markPageAsRead(event.target.dataset.showOnlyUnread||false);});mouseHandler.onClick("a[data-confirm]",(event)=>{(new ConfirmHandler()).handle(event);});mouseHandler.onClick("a[data-action=search]",(event)=>{navHandler.setFocusToSearchInput(event);});mouseHandler.onClick("a[data-link-state=flip]",(event)=>{LinkStateHandler.flip(event.target);},true);if(document.documentElement.clientWidth<600){let menuHandler=new MenuHandler();mouseHandler.onClick(".logo",()=>menuHandler.toggleMainMenu());mouseHandler.onClick(".header nav li",(event)=>menuHandler.clickMenuListItem(event));}
function decrementUnreadCounter(n){updateUnreadCounterValue((current)=>{return current-n;});}
function incrementUnreadCounter(n){updateUnreadCounterValue((current)=>{return current+n;});}
function updateUnreadCounterValue(callback){let counterElements=document.querySelectorAll("span.unread-counter");counterElements.forEach((element)=>{let oldValue=parseInt(element.textContent,10);element.innerHTML=callback(oldValue);});if(window.location.href.endsWith('/unread')){let oldValue=parseInt(document.title.split('(')[1],10);let newValue=callback(oldValue);document.title=document.title.replace(/(.*?)\(\d+\)(.*?)/,function(match,prefix,suffix,offset,string){return prefix+'('+newValue+')'+suffix;});}}
function isEntry(){return document.querySelector("section.entry")!==null;}
function isListView(){return document.querySelector(".items")!==null;}
function flipElementState(element){let labelElement=document.createElement("span");labelElement.className="link-flipped-state";labelElement.appendChild(document.createTextNode(element.dataset.labelNewState));element.parentNode.appendChild(labelElement);element.parentNode.removeChild(element);}
document.addEventListener("DOMContentLoaded",function(){handleSubmitButtons();if(!document.querySelector("body[data-disable-keyboard-shortcuts=true]")){let keyboardHandler=new KeyboardHandler();keyboardHandler.on("g u",()=>goToPage("unread"));keyboardHandler.on("g b",()=>goToPage("starred"));keyboardHandler.on("g h",()=>goToPage("history"));keyboardHandler.on("g f",()=>goToFeedOrFeeds());keyboardHandler.on("g c",()=>goToPage("categories"));keyboardHandler.on("g s",()=>goToPage("settings"));keyboardHandler.on("ArrowLeft",()=>goToPrevious());keyboardHandler.on("ArrowRight",()=>goToNext());keyboardHandler.on("k",()=>goToPrevious());keyboardHandler.on("p",()=>goToPrevious());keyboardHandler.on("j",()=>goToNext());keyboardHandler.on("n",()=>goToNext());keyboardHandler.on("h",()=>goToPage("previous"));keyboardHandler.on("l",()=>goToPage("next"));keyboardHandler.on("o",()=>openSelectedItem());keyboardHandler.on("v",()=>openOriginalLink());keyboardHandler.on("m",()=>handleEntryStatus());keyboardHandler.on("A",()=>markPageAsRead());keyboardHandler.on("s",()=>handleSaveEntry());keyboardHandler.on("d",()=>handleFetchOriginalContent());keyboardHandler.on("f",()=>handleBookmark());keyboardHandler.on("?",()=>showKeyboardShortcuts());keyboardHandler.on("#",()=>unsubscribeFromFeed());keyboardHandler.on("/",(e)=>setFocusToSearchInput(e));keyboardHandler.on("Escape",()=>ModalHandler.close());keyboardHandler.listen();}
let touchHandler=new TouchHandler();touchHandler.listen();onClick("a[data-save-entry]",()=>handleSaveEntry());onClick("a[data-toggle-bookmark]",()=>handleBookmark());onClick("a[data-fetch-content-entry]",()=>handleFetchOriginalContent());onClick("a[data-action=search]",(event)=>setFocusToSearchInput(event));onClick("a[data-on-click=markPageAsRead]",()=>markPageAsRead());onClick("a[data-toggle-status]",(event)=>{let currentItem=DomHelper.findParent(event.target,"entry");if(!currentItem){currentItem=DomHelper.findParent(event.target,"item");}
if(currentItem){toggleEntryStatus(currentItem);}});onClick("a[data-confirm]",(event)=>{(new ConfirmHandler()).handle(event);});onClick("a[data-link-state=flip]",(event)=>{flipElementState(event.target);},true);if(document.documentElement.clientWidth<600){onClick(".logo",()=>toggleMainMenu());onClick(".header nav li",(event)=>onClickMainMenuListItem(event));}
if("serviceWorker"in navigator){let scriptElement=document.getElementById("service-worker-script");if(scriptElement){navigator.serviceWorker.register(scriptElement.src);}}});})();`,
"sw": `'use strict';self.addEventListener("fetch",(event)=>{if(event.request.url.includes("/feed/icon/")){event.respondWith(caches.open("feed_icons").then((cache)=>{return cache.match(event.request).then((response)=>{return response||fetch(event.request).then((response)=>{cache.put(event.request,response.clone());return response;});});}));}});`,
}
var JavascriptsChecksums = map[string]string{
"app": "adf55d14f11a472a4224a6d983310964b9fe4217bd60c87adeb1779e96729243",
"app": "fe24291c59706b377062df11145b8aed5d48ce06afcce78a2c99ee879632cc57",
"sw": "55fffa223919cc18572788fb9c62fccf92166c0eb5d3a1d6f91c31f24d020be9",
}

464
ui/static/js/app.js Normal file
View file

@ -0,0 +1,464 @@
// OnClick attaches a listener to the elements that match the selector.
function onClick(selector, callback, noPreventDefault) {
let elements = document.querySelectorAll(selector);
elements.forEach((element) => {
element.onclick = (event) => {
if (!noPreventDefault) {
event.preventDefault();
}
callback(event);
};
});
}
// Show and hide the main menu on mobile devices.
function toggleMainMenu() {
let menu = document.querySelector(".header nav ul");
if (DomHelper.isVisible(menu)) {
menu.style.display = "none";
} else {
menu.style.display = "block";
}
let searchElement = document.querySelector(".header .search");
if (DomHelper.isVisible(searchElement)) {
searchElement.style.display = "none";
} else {
searchElement.style.display = "block";
}
}
// Handle click events for the main menu (<li> and <a>).
function onClickMainMenuListItem(event) {
let element = event.target;
if (element.tagName === "A") {
window.location.href = element.getAttribute("href");
} else {
window.location.href = element.querySelector("a").getAttribute("href");
}
}
// Change the button label when the page is loading.
function handleSubmitButtons() {
let elements = document.querySelectorAll("form");
elements.forEach((element) => {
element.onsubmit = () => {
let button = document.querySelector("button");
if (button) {
button.innerHTML = button.dataset.labelLoading;
button.disabled = true;
}
};
});
}
// Set cursor focus to the search input.
function setFocusToSearchInput(event) {
event.preventDefault();
event.stopPropagation();
let toggleSwitchElement = document.querySelector(".search-toggle-switch");
if (toggleSwitchElement) {
toggleSwitchElement.style.display = "none";
}
let searchFormElement = document.querySelector(".search-form");
if (searchFormElement) {
searchFormElement.style.display = "block";
}
let searchInputElement = document.getElementById("search-input");
if (searchInputElement) {
searchInputElement.focus();
searchInputElement.value = "";
}
}
// Show modal dialog with the list of keyboard shortcuts.
function showKeyboardShortcuts() {
let template = document.getElementById("keyboard-shortcuts");
if (template !== null) {
ModalHandler.open(template.content);
}
}
// Mark as read visible items of the current page.
function markPageAsRead() {
let items = DomHelper.getVisibleElements(".items .item");
let entryIDs = [];
items.forEach((element) => {
element.classList.add("item-status-read");
entryIDs.push(parseInt(element.dataset.id, 10));
});
if (entryIDs.length > 0) {
updateEntriesStatus(entryIDs, "read", () => {
// Make sure the Ajax request reach the server before we reload the page.
let element = document.querySelector("a[data-mark-page-as-read]");
let showOnlyUnread = false;
if (element) {
showOnlyUnread = element.dataset.showOnlyUnread;
}
if (showOnlyUnread) {
window.location.reload();
} else {
goToPage("next", true);
}
});
}
}
// Handle entry status changes from the list view and entry view.
function handleEntryStatus() {
if (isListView()) {
let currentItem = document.querySelector(".current-item");
if (currentItem !== null) {
// The order is important here,
// On the unread page, the read item will be hidden.
goToNextListItem();
toggleEntryStatus(currentItem);
}
} else {
toggleEntryStatus(document.querySelector(".entry"));
}
}
// Change the entry status to the opposite value.
function toggleEntryStatus(element) {
let entryID = parseInt(element.dataset.id, 10);
let link = element.querySelector("a[data-toggle-status]");
let currentStatus = link.dataset.value;
let newStatus = currentStatus === "read" ? "unread" : "read";
updateEntriesStatus([entryID], newStatus);
if (currentStatus === "read") {
link.innerHTML = link.dataset.labelRead;
link.dataset.value = "unread";
} else {
link.innerHTML = link.dataset.labelUnread;
link.dataset.value = "read";
}
if (element.classList.contains("item-status-" + currentStatus)) {
element.classList.remove("item-status-" + currentStatus);
element.classList.add("item-status-" + newStatus);
}
}
// Mark a single entry as read.
function markEntryAsRead(element) {
if (element.classList.contains("item-status-unread")) {
element.classList.remove("item-status-unread");
element.classList.add("item-status-read");
let entryID = parseInt(element.dataset.id, 10);
updateEntriesStatus([entryID], "read");
}
}
// Send the Ajax request to change entries statuses.
function updateEntriesStatus(entryIDs, status, callback) {
let url = document.body.dataset.entriesStatusUrl;
let request = new RequestBuilder(url);
request.withBody({ entry_ids: entryIDs, status: status });
request.withCallback(callback);
request.execute();
if (status === "read") {
decrementUnreadCounter(1);
} else {
incrementUnreadCounter(1);
}
}
// Handle save entry from list view and entry view.
function handleSaveEntry() {
if (isListView()) {
let currentItem = document.querySelector(".current-item");
if (currentItem !== null) {
saveEntry(currentItem.querySelector("a[data-save-entry]"));
}
} else {
saveEntry(document.querySelector("a[data-save-entry]"));
}
}
// Send the Ajax request to save an entry.
function saveEntry(element) {
if (!element) {
return;
}
if (element.dataset.completed) {
return;
}
element.innerHTML = element.dataset.labelLoading;
let request = new RequestBuilder(element.dataset.saveUrl);
request.withCallback(() => {
element.innerHTML = element.dataset.labelDone;
element.dataset.completed = true;
});
request.execute();
}
// Handle bookmark from the list view and entry view.
function handleBookmark() {
if (isListView()) {
let currentItem = document.querySelector(".current-item");
if (currentItem !== null) {
toggleBookmark(currentItem);
}
} else {
toggleBookmark(document.querySelector(".entry"));
}
}
// Send the Ajax request and change the icon when bookmarking an entry.
function toggleBookmark(parentElement) {
let element = parentElement.querySelector("a[data-toggle-bookmark]");
if (!element) {
return;
}
element.innerHTML = element.dataset.labelLoading;
let request = new RequestBuilder(element.dataset.bookmarkUrl);
request.withCallback(() => {
if (element.dataset.value === "star") {
element.innerHTML = element.dataset.labelStar;
element.dataset.value = "unstar";
} else {
element.innerHTML = element.dataset.labelUnstar;
element.dataset.value = "star";
}
});
request.execute();
}
// Send the Ajax request to download the original web page.
function handleFetchOriginalContent() {
if (isListView()) {
return;
}
let element = document.querySelector("a[data-fetch-content-entry]");
if (!element) {
return;
}
if (element.dataset.completed) {
return;
}
element.innerHTML = element.dataset.labelLoading;
let request = new RequestBuilder(element.dataset.fetchContentUrl);
request.withCallback((response) => {
element.innerHTML = element.dataset.labelDone;
element.dataset.completed = true;
response.json().then((data) => {
if (data.hasOwnProperty("content")) {
document.querySelector(".entry-content").innerHTML = data.content;
}
});
});
request.execute();
}
function openOriginalLink() {
let entryLink = document.querySelector(".entry h1 a");
if (entryLink !== null) {
DomHelper.openNewTab(entryLink.getAttribute("href"));
return;
}
let currentItemOriginalLink = document.querySelector(".current-item a[data-original-link]");
if (currentItemOriginalLink !== null) {
DomHelper.openNewTab(currentItemOriginalLink.getAttribute("href"));
// Move to the next item and if we are on the unread page mark this item as read.
let currentItem = document.querySelector(".current-item");
goToNextListItem();
markEntryAsRead(currentItem);
}
}
function openSelectedItem() {
let currentItemLink = document.querySelector(".current-item .item-title a");
if (currentItemLink !== null) {
window.location.href = currentItemLink.getAttribute("href");
}
}
function unsubscribeFromFeed() {
let unsubscribeLinks = document.querySelectorAll("[data-action=remove-feed]");
if (unsubscribeLinks.length === 1) {
let unsubscribeLink = unsubscribeLinks[0];
let request = new RequestBuilder(unsubscribeLink.dataset.url);
request.withCallback(() => {
if (unsubscribeLink.dataset.redirectUrl) {
window.location.href = unsubscribeLink.dataset.redirectUrl;
} else {
window.location.reload();
}
});
request.execute();
}
}
/**
* @param {string} page Page to redirect to.
* @param {boolean} fallbackSelf Refresh actual page if the page is not found.
*/
function goToPage(page, fallbackSelf) {
let element = document.querySelector("a[data-page=" + page + "]");
if (element) {
document.location.href = element.href;
} else if (fallbackSelf) {
window.location.reload();
}
}
function goToPrevious() {
if (isListView()) {
goToPreviousListItem();
} else {
goToPage("previous");
}
}
function goToNext() {
if (isListView()) {
goToNextListItem();
} else {
goToPage("next");
}
}
function goToFeedOrFeeds() {
if (isEntry()) {
let feedAnchor = document.querySelector("span.entry-website a");
if (feedAnchor !== null) {
window.location.href = feedAnchor.href;
}
} else {
goToPage('feeds');
}
}
function goToPreviousListItem() {
let items = DomHelper.getVisibleElements(".items .item");
if (items.length === 0) {
return;
}
if (document.querySelector(".current-item") === null) {
items[0].classList.add("current-item");
items[0].querySelector('.item-header a').focus();
return;
}
for (let i = 0; i < items.length; i++) {
if (items[i].classList.contains("current-item")) {
items[i].classList.remove("current-item");
if (i - 1 >= 0) {
items[i - 1].classList.add("current-item");
DomHelper.scrollPageTo(items[i - 1]);
items[i - 1].querySelector('.item-header a').focus();
}
break;
}
}
}
function goToNextListItem() {
let currentItem = document.querySelector(".current-item");
let items = DomHelper.getVisibleElements(".items .item");
if (items.length === 0) {
return;
}
if (currentItem === null) {
items[0].classList.add("current-item");
items[0].querySelector('.item-header a').focus();
return;
}
for (let i = 0; i < items.length; i++) {
if (items[i].classList.contains("current-item")) {
items[i].classList.remove("current-item");
if (i + 1 < items.length) {
items[i + 1].classList.add("current-item");
DomHelper.scrollPageTo(items[i + 1]);
items[i + 1].querySelector('.item-header a').focus();
}
break;
}
}
}
function decrementUnreadCounter(n) {
updateUnreadCounterValue((current) => {
return current - n;
});
}
function incrementUnreadCounter(n) {
updateUnreadCounterValue((current) => {
return current + n;
});
}
function updateUnreadCounterValue(callback) {
let counterElements = document.querySelectorAll("span.unread-counter");
counterElements.forEach((element) => {
let oldValue = parseInt(element.textContent, 10);
element.innerHTML = callback(oldValue);
});
if (window.location.href.endsWith('/unread')) {
let oldValue = parseInt(document.title.split('(')[1], 10);
let newValue = callback(oldValue);
document.title = document.title.replace(
/(.*?)\(\d+\)(.*?)/,
function (match, prefix, suffix, offset, string) {
return prefix + '(' + newValue + ')' + suffix;
}
);
}
}
function isEntry() {
return document.querySelector("section.entry") !== null;
}
function isListView() {
return document.querySelector(".items") !== null;
}
function flipElementState(element) {
let labelElement = document.createElement("span");
labelElement.className = "link-flipped-state";
labelElement.appendChild(document.createTextNode(element.dataset.labelNewState));
element.parentNode.appendChild(labelElement);
element.parentNode.removeChild(element);
}

View file

@ -1,88 +1,67 @@
document.addEventListener("DOMContentLoaded", function() {
FormHandler.handleSubmitButtons();
document.addEventListener("DOMContentLoaded", function () {
handleSubmitButtons();
let navHandler = new NavHandler();
if (! document.querySelector("body[data-disable-keyboard-shortcuts=true]")) {
if (!document.querySelector("body[data-disable-keyboard-shortcuts=true]")) {
let keyboardHandler = new KeyboardHandler();
keyboardHandler.on("g u", () => navHandler.goToPage("unread"));
keyboardHandler.on("g b", () => navHandler.goToPage("starred"));
keyboardHandler.on("g h", () => navHandler.goToPage("history"));
keyboardHandler.on("g f", () => navHandler.goToFeedOrFeeds());
keyboardHandler.on("g c", () => navHandler.goToPage("categories"));
keyboardHandler.on("g s", () => navHandler.goToPage("settings"));
keyboardHandler.on("ArrowLeft", () => navHandler.goToPrevious());
keyboardHandler.on("ArrowRight", () => navHandler.goToNext());
keyboardHandler.on("k", () => navHandler.goToPrevious());
keyboardHandler.on("p", () => navHandler.goToPrevious());
keyboardHandler.on("j", () => navHandler.goToNext());
keyboardHandler.on("n", () => navHandler.goToNext());
keyboardHandler.on("h", () => navHandler.goToPage("previous"));
keyboardHandler.on("l", () => navHandler.goToPage("next"));
keyboardHandler.on("o", () => navHandler.openSelectedItem());
keyboardHandler.on("v", () => navHandler.openOriginalLink());
keyboardHandler.on("m", () => navHandler.toggleEntryStatus());
keyboardHandler.on("A", () => {
let element = document.querySelector("a[data-mark-page-as-read]");
navHandler.markPageAsRead(element.dataset.showOnlyUnread || false);
});
keyboardHandler.on("s", () => navHandler.saveEntry());
keyboardHandler.on("d", () => navHandler.fetchOriginalContent());
keyboardHandler.on("f", () => navHandler.toggleBookmark());
keyboardHandler.on("?", () => navHandler.showKeyboardShortcuts());
keyboardHandler.on("#", () => navHandler.unsubscribeFromFeed());
keyboardHandler.on("/", (e) => navHandler.setFocusToSearchInput(e));
keyboardHandler.on("g u", () => goToPage("unread"));
keyboardHandler.on("g b", () => goToPage("starred"));
keyboardHandler.on("g h", () => goToPage("history"));
keyboardHandler.on("g f", () => goToFeedOrFeeds());
keyboardHandler.on("g c", () => goToPage("categories"));
keyboardHandler.on("g s", () => goToPage("settings"));
keyboardHandler.on("ArrowLeft", () => goToPrevious());
keyboardHandler.on("ArrowRight", () => goToNext());
keyboardHandler.on("k", () => goToPrevious());
keyboardHandler.on("p", () => goToPrevious());
keyboardHandler.on("j", () => goToNext());
keyboardHandler.on("n", () => goToNext());
keyboardHandler.on("h", () => goToPage("previous"));
keyboardHandler.on("l", () => goToPage("next"));
keyboardHandler.on("o", () => openSelectedItem());
keyboardHandler.on("v", () => openOriginalLink());
keyboardHandler.on("m", () => handleEntryStatus());
keyboardHandler.on("A", () => markPageAsRead());
keyboardHandler.on("s", () => handleSaveEntry());
keyboardHandler.on("d", () => handleFetchOriginalContent());
keyboardHandler.on("f", () => handleBookmark());
keyboardHandler.on("?", () => showKeyboardShortcuts());
keyboardHandler.on("#", () => unsubscribeFromFeed());
keyboardHandler.on("/", (e) => setFocusToSearchInput(e));
keyboardHandler.on("Escape", () => ModalHandler.close());
keyboardHandler.listen();
}
let touchHandler = new TouchHandler(navHandler);
let touchHandler = new TouchHandler();
touchHandler.listen();
let mouseHandler = new MouseHandler();
mouseHandler.onClick("a[data-save-entry]", (event) => {
EntryHandler.saveEntry(event.target);
});
onClick("a[data-save-entry]", () => handleSaveEntry());
onClick("a[data-toggle-bookmark]", () => handleBookmark());
onClick("a[data-fetch-content-entry]", () => handleFetchOriginalContent());
onClick("a[data-action=search]", (event) => setFocusToSearchInput(event));
onClick("a[data-on-click=markPageAsRead]", () => markPageAsRead());
mouseHandler.onClick("a[data-toggle-bookmark]", (event) => {
EntryHandler.toggleBookmark(event.target);
});
mouseHandler.onClick("a[data-toggle-status]", (event) => {
onClick("a[data-toggle-status]", (event) => {
let currentItem = DomHelper.findParent(event.target, "entry");
if (! currentItem) {
if (!currentItem) {
currentItem = DomHelper.findParent(event.target, "item");
}
if (currentItem) {
EntryHandler.toggleEntryStatus(currentItem);
toggleEntryStatus(currentItem);
}
});
mouseHandler.onClick("a[data-fetch-content-entry]", (event) => {
EntryHandler.fetchOriginalContent(event.target);
});
mouseHandler.onClick("a[data-on-click=markPageAsRead]", (event) => {
navHandler.markPageAsRead(event.target.dataset.showOnlyUnread || false);
});
mouseHandler.onClick("a[data-confirm]", (event) => {
onClick("a[data-confirm]", (event) => {
(new ConfirmHandler()).handle(event);
});
mouseHandler.onClick("a[data-action=search]", (event) => {
navHandler.setFocusToSearchInput(event);
});
mouseHandler.onClick("a[data-link-state=flip]", (event) => {
LinkStateHandler.flip(event.target);
onClick("a[data-link-state=flip]", (event) => {
flipElementState(event.target);
}, true);
if (document.documentElement.clientWidth < 600) {
let menuHandler = new MenuHandler();
mouseHandler.onClick(".logo", () => menuHandler.toggleMainMenu());
mouseHandler.onClick(".header nav li", (event) => menuHandler.clickMenuListItem(event));
onClick(".logo", () => toggleMainMenu());
onClick(".header nav li", (event) => onClickMainMenuListItem(event));
}
if ("serviceWorker" in navigator) {

View file

@ -33,7 +33,7 @@ class ConfirmHandler {
containerElement.appendChild(loadingElement);
if (linkElement.dataset.markPageAsRead) {
(new NavHandler()).markPageAsRead(event.target.dataset.showOnlyUnread || false);
markPageAsRead(event.target.dataset.showOnlyUnread || false);
} else {
this.executeRequest(linkElement.dataset.url, linkElement.dataset.redirectUrl);
}

View file

@ -1,100 +0,0 @@
class EntryHandler {
static updateEntriesStatus(entryIDs, status, callback) {
let url = document.body.dataset.entriesStatusUrl;
let request = new RequestBuilder(url);
request.withBody({entry_ids: entryIDs, status: status});
request.withCallback(callback);
request.execute();
if (status === "read") {
UnreadCounterHandler.decrement(1);
} else {
UnreadCounterHandler.increment(1);
}
}
static toggleEntryStatus(element) {
let entryID = parseInt(element.dataset.id, 10);
let link = element.querySelector("a[data-toggle-status]");
let currentStatus = link.dataset.value;
let newStatus = currentStatus === "read" ? "unread" : "read";
this.updateEntriesStatus([entryID], newStatus);
if (currentStatus === "read") {
link.innerHTML = link.dataset.labelRead;
link.dataset.value = "unread";
} else {
link.innerHTML = link.dataset.labelUnread;
link.dataset.value = "read";
}
if (element.classList.contains("item-status-" + currentStatus)) {
element.classList.remove("item-status-" + currentStatus);
element.classList.add("item-status-" + newStatus);
}
}
static toggleBookmark(element) {
element.innerHTML = element.dataset.labelLoading;
let request = new RequestBuilder(element.dataset.bookmarkUrl);
request.withCallback(() => {
if (element.dataset.value === "star") {
element.innerHTML = element.dataset.labelStar;
element.dataset.value = "unstar";
} else {
element.innerHTML = element.dataset.labelUnstar;
element.dataset.value = "star";
}
});
request.execute();
}
static markEntryAsRead(element) {
if (element.classList.contains("item-status-unread")) {
element.classList.remove("item-status-unread");
element.classList.add("item-status-read");
let entryID = parseInt(element.dataset.id, 10);
this.updateEntriesStatus([entryID], "read");
}
}
static saveEntry(element) {
if (element.dataset.completed) {
return;
}
element.innerHTML = element.dataset.labelLoading;
let request = new RequestBuilder(element.dataset.saveUrl);
request.withCallback(() => {
element.innerHTML = element.dataset.labelDone;
element.dataset.completed = true;
});
request.execute();
}
static fetchOriginalContent(element) {
if (element.dataset.completed) {
return;
}
element.innerHTML = element.dataset.labelLoading;
let request = new RequestBuilder(element.dataset.fetchContentUrl);
request.withCallback((response) => {
element.innerHTML = element.dataset.labelDone;
element.dataset.completed = true;
response.json().then((data) => {
if (data.hasOwnProperty("content")) {
document.querySelector(".entry-content").innerHTML = data.content;
}
});
});
request.execute();
}
}

View file

@ -1,7 +0,0 @@
class FeedHandler {
static unsubscribe(feedUrl, callback) {
let request = new RequestBuilder(feedUrl);
request.withCallback(callback);
request.execute();
}
}

View file

@ -1,15 +0,0 @@
class FormHandler {
static handleSubmitButtons() {
let elements = document.querySelectorAll("form");
elements.forEach((element) => {
element.onsubmit = () => {
let button = document.querySelector("button");
if (button) {
button.innerHTML = button.dataset.labelLoading;
button.disabled = true;
}
};
});
}
}

View file

@ -1,10 +0,0 @@
class LinkStateHandler {
static flip(element) {
let labelElement = document.createElement("span");
labelElement.className = "link-flipped-state";
labelElement.appendChild(document.createTextNode(element.dataset.labelNewState));
element.parentNode.appendChild(labelElement);
element.parentNode.removeChild(element);
}
}

View file

@ -1,27 +0,0 @@
class MenuHandler {
clickMenuListItem(event) {
let element = event.target;
if (element.tagName === "A") {
window.location.href = element.getAttribute("href");
} else {
window.location.href = element.querySelector("a").getAttribute("href");
}
}
toggleMainMenu() {
let menu = document.querySelector(".header nav ul");
if (DomHelper.isVisible(menu)) {
menu.style.display = "none";
} else {
menu.style.display = "block";
}
let searchElement = document.querySelector(".header .search");
if (DomHelper.isVisible(searchElement)) {
searchElement.style.display = "none";
} else {
searchElement.style.display = "block";
}
}
}

View file

@ -1,14 +0,0 @@
class MouseHandler {
onClick(selector, callback, noPreventDefault) {
let elements = document.querySelectorAll(selector);
elements.forEach((element) => {
element.onclick = (event) => {
if (! noPreventDefault) {
event.preventDefault();
}
callback(event);
};
});
}
}

View file

@ -1,253 +0,0 @@
class NavHandler {
setFocusToSearchInput(event) {
event.preventDefault();
event.stopPropagation();
let toggleSwitchElement = document.querySelector(".search-toggle-switch");
if (toggleSwitchElement) {
toggleSwitchElement.style.display = "none";
}
let searchFormElement = document.querySelector(".search-form");
if (searchFormElement) {
searchFormElement.style.display = "block";
}
let searchInputElement = document.getElementById("search-input");
if (searchInputElement) {
searchInputElement.focus();
searchInputElement.value = "";
}
}
showKeyboardShortcuts() {
let template = document.getElementById("keyboard-shortcuts");
if (template !== null) {
ModalHandler.open(template.content);
}
}
markPageAsRead(showOnlyUnread) {
let items = DomHelper.getVisibleElements(".items .item");
let entryIDs = [];
items.forEach((element) => {
element.classList.add("item-status-read");
entryIDs.push(parseInt(element.dataset.id, 10));
});
if (entryIDs.length > 0) {
EntryHandler.updateEntriesStatus(entryIDs, "read", () => {
// This callback make sure the Ajax request reach the server before we reload the page.
if (showOnlyUnread) {
window.location.reload();
} else {
this.goToPage("next", true);
}
});
}
}
saveEntry() {
if (this.isListView()) {
let currentItem = document.querySelector(".current-item");
if (currentItem !== null) {
let saveLink = currentItem.querySelector("a[data-save-entry]");
if (saveLink) {
EntryHandler.saveEntry(saveLink);
}
}
} else {
let saveLink = document.querySelector("a[data-save-entry]");
if (saveLink) {
EntryHandler.saveEntry(saveLink);
}
}
}
fetchOriginalContent() {
if (! this.isListView()){
let link = document.querySelector("a[data-fetch-content-entry]");
if (link) {
EntryHandler.fetchOriginalContent(link);
}
}
}
toggleEntryStatus() {
if (! this.isListView()) {
EntryHandler.toggleEntryStatus(document.querySelector(".entry"));
return;
}
let currentItem = document.querySelector(".current-item");
if (currentItem !== null) {
// The order is important here,
// On the unread page, the read item will be hidden.
this.goToNextListItem();
EntryHandler.toggleEntryStatus(currentItem);
}
}
toggleBookmark() {
if (! this.isListView()) {
this.toggleBookmarkLink(document.querySelector(".entry"));
return;
}
let currentItem = document.querySelector(".current-item");
if (currentItem !== null) {
this.toggleBookmarkLink(currentItem);
}
}
toggleBookmarkLink(parent) {
let bookmarkLink = parent.querySelector("a[data-toggle-bookmark]");
if (bookmarkLink) {
EntryHandler.toggleBookmark(bookmarkLink);
}
}
openOriginalLink() {
let entryLink = document.querySelector(".entry h1 a");
if (entryLink !== null) {
DomHelper.openNewTab(entryLink.getAttribute("href"));
return;
}
let currentItemOriginalLink = document.querySelector(".current-item a[data-original-link]");
if (currentItemOriginalLink !== null) {
DomHelper.openNewTab(currentItemOriginalLink.getAttribute("href"));
// Move to the next item and if we are on the unread page mark this item as read.
let currentItem = document.querySelector(".current-item");
this.goToNextListItem();
EntryHandler.markEntryAsRead(currentItem);
}
}
openSelectedItem() {
let currentItemLink = document.querySelector(".current-item .item-title a");
if (currentItemLink !== null) {
window.location.href = currentItemLink.getAttribute("href");
}
}
unsubscribeFromFeed() {
let unsubscribeLinks = document.querySelectorAll("[data-action=remove-feed]");
if (unsubscribeLinks.length === 1) {
let unsubscribeLink = unsubscribeLinks[0];
FeedHandler.unsubscribe(unsubscribeLink.dataset.url, () => {
if (unsubscribeLink.dataset.redirectUrl) {
window.location.href = unsubscribeLink.dataset.redirectUrl;
} else {
window.location.reload();
}
});
}
}
/**
* @param {string} page Page to redirect to.
* @param {boolean} fallbackSelf Refresh actual page if the page is not found.
*/
goToPage(page, fallbackSelf) {
let element = document.querySelector("a[data-page=" + page + "]");
if (element) {
document.location.href = element.href;
} else if (fallbackSelf) {
window.location.reload();
}
}
goToPrevious() {
if (this.isListView()) {
this.goToPreviousListItem();
} else {
this.goToPage("previous");
}
}
goToNext() {
if (this.isListView()) {
this.goToNextListItem();
} else {
this.goToPage("next");
}
}
goToFeedOrFeeds() {
if (this.isEntry()) {
let feedAnchor = document.querySelector("span.entry-website a");
if (feedAnchor !== null) {
window.location.href = feedAnchor.href;
}
} else {
this.goToPage('feeds');
}
}
goToPreviousListItem() {
let items = DomHelper.getVisibleElements(".items .item");
if (items.length === 0) {
return;
}
if (document.querySelector(".current-item") === null) {
items[0].classList.add("current-item");
items[0].querySelector('.item-header a').focus();
return;
}
for (let i = 0; i < items.length; i++) {
if (items[i].classList.contains("current-item")) {
items[i].classList.remove("current-item");
if (i - 1 >= 0) {
items[i - 1].classList.add("current-item");
DomHelper.scrollPageTo(items[i - 1]);
items[i - 1].querySelector('.item-header a').focus();
}
break;
}
}
}
goToNextListItem() {
let currentItem = document.querySelector(".current-item");
let items = DomHelper.getVisibleElements(".items .item");
if (items.length === 0) {
return;
}
if (currentItem === null) {
items[0].classList.add("current-item");
items[0].querySelector('.item-header a').focus();
return;
}
for (let i = 0; i < items.length; i++) {
if (items[i].classList.contains("current-item")) {
items[i].classList.remove("current-item");
if (i + 1 < items.length) {
items[i + 1].classList.add("current-item");
DomHelper.scrollPageTo(items[i + 1]);
items[i + 1].querySelector('.item-header a').focus();
}
break;
}
}
}
isEntry() {
return document.querySelector("section.entry") !== null;
}
isListView() {
return document.querySelector(".items") !== null;
}
}

View file

@ -1,13 +1,12 @@
class TouchHandler {
constructor(navHandler) {
this.navHandler = navHandler;
constructor() {
this.reset();
}
reset() {
this.touch = {
start: {x: -1, y: -1},
move: {x: -1, y: -1},
start: { x: -1, y: -1 },
move: { x: -1, y: -1 },
element: null
};
}
@ -75,8 +74,9 @@ class TouchHandler {
let distance = Math.abs(this.calculateDistance());
if (distance > 75) {
EntryHandler.toggleEntryStatus(this.touch.element);
toggleEntryStatus(this.touch.element);
}
this.touch.element.style.opacity = 1;
this.touch.element.style.transform = "none";
}
@ -110,17 +110,18 @@ class TouchHandler {
}, 200);
} else {
event.preventDefault();
this.navHandler.goToPage(doubleTapTimer);
goToPage(doubleTapTimer);
}
};
entryContentElement.addEventListener("touchend", (e) => {
if (e.changedTouches[0].clientX >= (entryContentElement.offsetWidth / 2)) {
detectDoubleTap("next", e);
} else {
detectDoubleTap("previous", e);
}
}, hasPassiveOption ? { passive: false } : false);
if (e.changedTouches[0].clientX >= (entryContentElement.offsetWidth / 2)) {
detectDoubleTap("next", e);
} else {
detectDoubleTap("previous", e);
}
}, hasPassiveOption ? { passive: false } : false);
entryContentElement.addEventListener("touchmove", (e) => {
Object.keys(doubleTapTimers).forEach(timer => doubleTapTimers[timer] = null);
});

View file

@ -1,33 +0,0 @@
class UnreadCounterHandler {
static decrement(n) {
this.updateValue((current) => {
return current - n;
});
}
static increment(n) {
this.updateValue((current) => {
return current + n;
});
}
static updateValue(callback) {
let counterElements = document.querySelectorAll("span.unread-counter");
counterElements.forEach((element) => {
let oldValue = parseInt(element.textContent, 10);
element.innerHTML = callback(oldValue);
});
if (window.location.href.endsWith('/unread')) {
let oldValue = parseInt(document.title.split('(')[1], 10);
let newValue = callback(oldValue);
document.title = document.title.replace(
/(.*?)\(\d+\)(.*?)/,
function (match, prefix, suffix, offset, string) {
return prefix + '(' + newValue + ')' + suffix;
}
);
}
}
}