yomichan/ext/fg/js/popup-window.js

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JavaScript
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/*
* Copyright (C) 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
* api
*/
class PopupWindow extends EventDispatcher {
constructor({
id,
depth,
frameId,
ownerFrameId
}) {
super();
this._id = id;
this._depth = depth;
this._frameId = frameId;
this._ownerFrameId = ownerFrameId;
this._popupTabId = null;
}
// Public properties
get id() {
return this._id;
}
get parent() {
return null;
}
set parent(value) {
throw new Error('Not supported on PopupProxy');
}
get child() {
return null;
}
set child(value) {
throw new Error('Not supported on PopupProxy');
}
get depth() {
return this._depth;
}
get frameContentWindow() {
return null;
}
get container() {
return null;
}
get frameId() {
return this._frameId;
}
// Public functions
setOptionsContext(optionsContext, source) {
return this._invoke(false, 'setOptionsContext', {id: this._id, optionsContext, source});
}
hide(_changeFocus) {
// NOP
}
async isVisible() {
return (this._popupTabId !== null && await api.isTabSearchPopup(this._popupTabId));
}
setVisibleOverride(_value, _priority) {
return null;
}
clearVisibleOverride(_token) {
return false;
}
async containsPoint(_x, _y) {
return false;
}
async showContent(_details, displayDetails) {
if (displayDetails === null) { return; }
await this._invoke(true, 'setContent', {id: this._id, details: displayDetails});
}
setCustomCss(css) {
return this._invoke(false, 'setCustomCss', {id: this._id, css});
}
clearAutoPlayTimer() {
return this._invoke(false, 'clearAutoPlayTimer', {id: this._id});
}
setContentScale(_scale) {
// NOP
}
isVisibleSync() {
throw new Error('Not supported on PopupWindow');
}
updateTheme() {
// NOP
}
async setCustomOuterCss(_css, _useWebExtensionApi) {
// NOP
}
getFrameRect() {
return new DOMRect(0, 0, 0, 0);
}
// Private
async _invoke(open, action, params={}, defaultReturnValue) {
if (yomichan.isExtensionUnloaded) {
return defaultReturnValue;
}
const frameId = 0;
if (this._popupTabId !== null) {
try {
return await api.crossFrame.invokeTab(this._popupTabId, frameId, 'popupMessage', {action, params});
} catch (e) {
if (yomichan.isExtensionUnloaded) {
open = false;
}
}
this._popupTabId = null;
}
if (!open) {
return defaultReturnValue;
}
const {tabId} = await api.getOrCreateSearchPopup({focus: 'ifCreated'});
this._popupTabId = tabId;
return await api.crossFrame.invokeTab(this._popupTabId, frameId, 'popupMessage', {action, params});
}
}