yomichan/ext/fg/js/popup-proxy.js
2020-02-16 18:59:08 -05:00

137 lines
3.7 KiB
JavaScript

/*
* Copyright (C) 2019-2020 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* 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 FrontendApiSender*/
class PopupProxy {
constructor(id, depth, parentId, parentFrameId, url) {
this._parentId = parentId;
this._parentFrameId = parentFrameId;
this._id = id;
this._idPromise = null;
this._depth = depth;
this._url = url;
this._apiSender = new FrontendApiSender();
}
// Public properties
get parent() {
return null;
}
get depth() {
return this._depth;
}
get url() {
return this._url;
}
// Public functions
isProxy() {
return true;
}
async setOptions(options) {
const id = await this._getPopupId();
return await this._invokeHostApi('setOptions', {id, options});
}
hide(changeFocus) {
if (this._id === null) {
return;
}
this._invokeHostApi('hide', {id: this._id, changeFocus});
}
async isVisible() {
const id = await this._getPopupId();
return await this._invokeHostApi('isVisible', {id});
}
setVisibleOverride(visible) {
if (this._id === null) {
return;
}
this._invokeHostApi('setVisibleOverride', {id: this._id, visible});
}
async containsPoint(x, y) {
if (this._id === null) {
return false;
}
return await this._invokeHostApi('containsPoint', {id: this._id, x, y});
}
async showContent(elementRect, writingMode, type=null, details=null) {
const id = await this._getPopupId();
elementRect = PopupProxy._convertDOMRectToJson(elementRect);
return await this._invokeHostApi('showContent', {id, elementRect, writingMode, type, details});
}
async setCustomCss(css) {
const id = await this._getPopupId();
return await this._invokeHostApi('setCustomCss', {id, css});
}
clearAutoPlayTimer() {
if (this._id === null) {
return;
}
this._invokeHostApi('clearAutoPlayTimer', {id: this._id});
}
async setContentScale(scale) {
const id = await this._getPopupId();
this._invokeHostApi('setContentScale', {id, scale});
}
// Private
_getPopupId() {
if (this._idPromise === null) {
this._idPromise = this._getPopupIdAsync();
}
return this._idPromise;
}
async _getPopupIdAsync() {
const {id} = await this._invokeHostApi('getOrCreatePopup', {id: this._id, parentId: this._parentId});
this._id = id;
return id;
}
_invokeHostApi(action, params={}) {
if (typeof this._parentFrameId !== 'number') {
return Promise.reject(new Error('Invalid frame'));
}
return this._apiSender.invoke(action, params, `popup-proxy-host#${this._parentFrameId}`);
}
static _convertDOMRectToJson(domRect) {
return {
x: domRect.x,
y: domRect.y,
width: domRect.width,
height: domRect.height
};
}
}