gecko-dev/browser/base/content/newtab/customize.js

134 строки
3.9 KiB
JavaScript

#ifdef 0
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#endif
let gCustomize = {
_nodeIDSuffixes: [
"blank",
"button",
"classic",
"enhanced",
"panel",
"overlay",
"learn"
],
_nodes: {},
init: function() {
for (let idSuffix of this._nodeIDSuffixes) {
this._nodes[idSuffix] = document.getElementById("newtab-customize-" + idSuffix);
}
this._nodes.button.addEventListener("click", e => this.showPanel(e));
this._nodes.blank.addEventListener("click", this);
this._nodes.classic.addEventListener("click", this);
this._nodes.enhanced.addEventListener("click", this);
this._nodes.learn.addEventListener("click", this);
this.updateSelected();
},
hidePanel: function() {
this._nodes.overlay.addEventListener("transitionend", function onTransitionEnd() {
gCustomize._nodes.overlay.removeEventListener("transitionend", onTransitionEnd);
gCustomize._nodes.overlay.style.display = "none";
});
this._nodes.overlay.style.opacity = 0;
this._nodes.button.removeAttribute("active");
this._nodes.panel.removeAttribute("open");
document.removeEventListener("click", this);
document.removeEventListener("keydown", this);
},
showPanel: function(event) {
if (this._nodes.panel.getAttribute("open") == "true") {
return;
}
let {panel, button, overlay} = this._nodes;
overlay.style.display = "block";
panel.setAttribute("open", "true");
button.setAttribute("active", "true");
setTimeout(() => {
// Wait for display update to take place, then animate.
overlay.style.opacity = 0.8;
}, 0);
document.addEventListener("click", this);
document.addEventListener("keydown", this);
// Stop the event propogation to prevent panel from immediately closing
// via the document click event that we just added.
event.stopPropagation();
},
handleEvent: function(event) {
switch (event.type) {
case "click":
this.onClick(event);
break;
case "keydown":
this.onKeyDown(event);
break;
}
},
onClick: function(event) {
if (event.currentTarget == document) {
if (!this._nodes.panel.contains(event.target)) {
this.hidePanel();
}
}
switch (event.currentTarget.id) {
case "newtab-customize-blank":
sendAsyncMessage("NewTab:Customize", {enabled: false, enhanced: false});
break;
case "newtab-customize-classic":
if (this._nodes.enhanced.getAttribute("selected")){
sendAsyncMessage("NewTab:Customize", {enabled: true, enhanced: true});
} else {
sendAsyncMessage("NewTab:Customize", {enabled: true, enhanced: false});
}
break;
case "newtab-customize-enhanced":
sendAsyncMessage("NewTab:Customize", {enabled: true, enhanced: !gAllPages.enhanced});
break;
case "newtab-customize-learn":
this.showLearn();
break;
}
},
onKeyDown: function(event) {
if (event.keyCode == event.DOM_VK_ESCAPE) {
this.hidePanel();
}
},
showLearn: function() {
window.open(TILES_INTRO_LINK, 'new_window');
this.hidePanel();
},
updateSelected: function() {
let {enabled, enhanced} = gAllPages;
let selected = enabled ? enhanced ? "enhanced" : "classic" : "blank";
["enhanced", "classic", "blank"].forEach(id => {
let node = this._nodes[id];
if (id == selected) {
node.setAttribute("selected", true);
}
else {
node.removeAttribute("selected");
}
});
if (selected == "enhanced") {
// If enhanced is selected, so is classic (since enhanced is a subitem of classic)
this._nodes.classic.setAttribute("selected", true);
}
},
};