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Added the possibility to swipe to archive an item.

This commit is contained in:
Samuel Gyger 2016-07-29 11:58:47 +02:00
parent 03dbc3e17d
commit fe306b22f8
2 changed files with 105 additions and 1 deletions
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1
assets/js/app.js
View File

@ -17,6 +17,7 @@ Miniflux.App = (function() {
Miniflux.Event.ListenKeyboardEvents();
Miniflux.Event.ListenMouseEvents();
Miniflux.Event.ListenVisibilityEvents();
Miniflux.Event.ListenTouchEvents();
this.FrontendUpdateCheck();
},
FrontendUpdateCheck: function() {

105
assets/js/event.js
View File

@ -189,7 +189,7 @@ Miniflux.Event = (function() {
case 'h':
case 104:
Miniflux.Nav.OpenPreviousPage();
break
break;
case 'l':
case 108:
Miniflux.Nav.OpenNextPage();
@ -247,6 +247,109 @@ Miniflux.Event = (function() {
Miniflux.Item.CheckForUpdates();
}
});
},
ListenTouchEvents: function() {
var touches = null;
var resetTouch = function () {
touches && touches.element && (touches.element.style.opacity = 1);
touches && touches.element && (touches.element.style.transform = "");
touches = {
"touchstart": {"x":-1, "y":-1},
"touchmove" : {"x":-1, "y":-1},
"touchend" : false,
"direction" : "undetermined",
"swipestarted" : false,
"element" : null,
};
};
var horizontalSwipe = function () {
if((touches.touchstart.x > -1 && touches.touchmove.x > -1 &&
((touches.touchmove.x - touches.touchstart.x) > 30 | touches.swipestarted) &&
Math.abs(touches.touchmove.y - touches.touchstart.y) < 75)) {
touches.swipestarted = true;
return touches.touchmove.x - touches.touchstart.x;
}
return 0;
};
var closest = function(el, fn) {
return el && (fn(el) ? el : closest(el.parentNode, fn));
};
var getTouchElement = function() {
return touches.element ? touches.element :
closest(document.elementFromPoint(touches.touchstart.x, touches.touchstart.y),
function(el) {
return el.tagName === 'ARTICLE';
});
};
var drawElement = function(){
if(touches &&
(touches.touchend === true || touches.touchstart.x == -1)) {
return;
}
if(touches.element === null) {
touches.element = getTouchElement();
}
swipedistance = horizontalSwipe();
if(swipedistance > 0) {
var element = getTouchElement();
if(!element) {resetTouch(); return;}
touches.element.style.opacity = 1 -
((swipedistance > 75) ? 0.9 : swipedistance/75 *0.9);
touches.element.style.transform = "translateX("+
(swipedistance > 75 ? 75 : swipedistance)+"px)";
touches.element = element;
}
window.requestAnimationFrame(drawElement);
};
var touchHandler = function (e) {
//e.preventDefault();
if (typeof e.touches != 'undefined' && e.touches.length <= 1) {
var touch = e.touches[0];
var swipedistance = null;
var element = null;
switch (e.type) {
case 'touchstart':
resetTouch();
touches[e.type].x = touch.clientX;
touches[e.type].y = touch.clientY;
drawElement();
break;
case 'touchmove':
touches[e.type].x = touch.clientX;
touches[e.type].y = touch.clientY;
break;
case 'touchend':
touches[e.type] = true;
element = getTouchElement();
swipedistance = horizontalSwipe();
if(swipedistance > 75) {
element && Miniflux.Item.MarkAsRead(element);
if(!element.getAttribute("data-hide")){
resetTouch();
}
} else {
resetTouch();
}
break;
case 'touchcancel':
resetTouch();
break;
default:
break;
}
} else {
resetTouch();
}
};
resetTouch();
document.addEventListener('touchstart', touchHandler, false);
document.addEventListener('touchmove', touchHandler, false);
document.addEventListener('touchend', touchHandler, false);
document.addEventListener('touchcancel', touchHandler, false);
}
};
})();