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/*
* Copyright (C) 2019-2020 Yomichan Authors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/* global
* DOM
* FrameOffsetForwarder
* Frontend
* PopupProxy
* PopupProxyHost
* apiBroadcastTab
* apiForwardLogsToBackend
* apiOptionsGet
*/
async function createIframePopupProxy(frameOffsetForwarder, setDisabled) {
const rootPopupInformationPromise = yomichan.getTemporaryListenerResult(
chrome.runtime.onMessage,
({action, params}, {resolve}) => {
if (action === 'rootPopupInformation') {
resolve(params);
}
}
);
apiBroadcastTab('rootPopupRequestInformationBroadcast');
const {popupId, frameId} = await rootPopupInformationPromise;
const getFrameOffset = frameOffsetForwarder.getOffset.bind(frameOffsetForwarder);
const popup = new PopupProxy(popupId, 0, null, frameId, getFrameOffset, setDisabled);
await popup.prepare();
return popup;
}
async function getOrCreatePopup(depth) {
const popupHost = new PopupProxyHost();
await popupHost.prepare();
const popup = popupHost.getOrCreatePopup(null, null, depth);
return popup;
}
async function createPopupProxy(depth, id, parentFrameId) {
const popup = new PopupProxy(null, depth + 1, id, parentFrameId);
await popup.prepare();
return popup;
}
(async () => {
apiForwardLogsToBackend();
await yomichan.prepare();
const data = window.frontendInitializationData || {};
const {id, depth=0, parentFrameId, url=window.location.href, proxy=false, isSearchPage=false} = data;
const isIframe = !proxy && (window !== window.parent);
const popups = {
iframe: null,
proxy: null,
normal: null
};
let frontend = null;
let frontendPreparePromise = null;
let frameOffsetForwarder = null;
let iframePopupsInRootFrameAvailable = true;
const disableIframePopupsInRootFrame = () => {
iframePopupsInRootFrameAvailable = false;
applyOptions();
};
let urlUpdatedAt = 0;
let proxyHostUrlCached = url;
const getProxyHostUrl = async () => {
const now = Date.now();
if (popups.proxy !== null && now - urlUpdatedAt > 500) {
proxyHostUrlCached = await popups.proxy.getHostUrl();
urlUpdatedAt = now;
}
return proxyHostUrlCached;
};
const applyOptions = async () => {
const optionsContext = {
depth: isSearchPage ? 0 : depth,
url: proxy ? await getProxyHostUrl() : window.location.href
};
const options = await apiOptionsGet(optionsContext);
if (!proxy && frameOffsetForwarder === null) {
frameOffsetForwarder = new FrameOffsetForwarder();
frameOffsetForwarder.start();
}
let popup;
if (isIframe && options.general.showIframePopupsInRootFrame && DOM.getFullscreenElement() === null && iframePopupsInRootFrameAvailable) {
popup = popups.iframe || await createIframePopupProxy(frameOffsetForwarder, disableIframePopupsInRootFrame);
popups.iframe = popup;
} else if (proxy) {
popup = popups.proxy || await createPopupProxy(depth, id, parentFrameId);
popups.proxy = popup;
} else {
popup = popups.normal || await getOrCreatePopup(depth);
popups.normal = popup;
}
if (frontend === null) {
const getUrl = proxy ? getProxyHostUrl : null;
frontend = new Frontend(popup, getUrl);
frontendPreparePromise = frontend.prepare();
await frontendPreparePromise;
} else {
await frontendPreparePromise;
if (isSearchPage) {
const disabled = !options.scanning.enableOnSearchPage;
frontend.setDisabledOverride(disabled);
}
if (isIframe) {
await frontend.setPopup(popup);
}
}
};
yomichan.on('optionsUpdated', applyOptions);
window.addEventListener('fullscreenchange', applyOptions, false);
await applyOptions();
})();
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