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/* 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/. */
"use strict";
function ContentSearchHandoffUIController() {
this._isPrivateWindow = false;
this._engineIcon = null;
window.addEventListener("ContentSearchService", this);
this._sendMsg("GetEngine");
}
ContentSearchHandoffUIController.prototype = {
handleEvent(event) {
let methodName = "_onMsg" + event.detail.type;
if (methodName in this) {
this[methodName](event.detail.data);
}
},
_onMsgEngine({ isPrivateWindow, engine }) {
this._isPrivateWindow = isPrivateWindow;
this._updateEngineIcon(engine);
},
_onMsgCurrentEngine(engine) {
if (!this._isPrivateWindow) {
this._updateEngineIcon(engine);
}
},
_onMsgCurrentPrivateEngine(engine) {
if (this._isPrivateWindow) {
this._updateEngineIcon(engine);
}
},
_updateEngineIcon(engine) {
if (this._engineIcon) {
URL.revokeObjectURL(this._engineIcon);
}
// We only show the engines icon for app provided engines, otherwise show
// a default. xref https://bugzilla.mozilla.org/show_bug.cgi?id=1449338#c19
if (!engine.isAppProvided) {
this._engineIcon = "chrome://browser/skin/search-glass.svg";
} else if (engine.iconData) {
this._engineIcon = this._getFaviconURIFromIconData(engine.iconData);
} else {
this._engineIcon = "chrome://mozapps/skin/places/defaultFavicon.svg";
}
document.body.style.setProperty(
"--newtab-search-icon",
"url(" + this._engineIcon + ")"
);
},
// If the favicon is an array buffer, convert it into a Blob URI.
// Otherwise just return the plain URI.
_getFaviconURIFromIconData(data) {
if (typeof data === "string") {
return data;
}
// If typeof(data) != "string", we assume it's an ArrayBuffer
let blob = new Blob([data]);
return URL.createObjectURL(blob);
},
_sendMsg(type, data = null) {
dispatchEvent(
new CustomEvent("ContentSearchClient", {
detail: {
type,
data,
},
})
);
},
};
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