yomichan/ext/fg/js/popup-proxy.js
2019-10-08 21:44:25 -04:00

115 lines
3.7 KiB
JavaScript

/*
* Copyright (C) 2019 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 <http://www.gnu.org/licenses/>.
*/
class PopupProxy {
constructor(depth, parentId, parentFrameId, url) {
this.parentId = parentId;
this.parentFrameId = parentFrameId;
this.id = null;
this.idPromise = null;
this.parent = null;
this.child = null;
this.depth = depth;
this.url = url;
this.container = null;
this.apiSender = new FrontendApiSender();
}
getPopupId() {
if (this.idPromise === null) {
this.idPromise = this.getPopupIdAsync();
}
return this.idPromise;
}
async getPopupIdAsync() {
const id = await this.invokeHostApi('createNestedPopup', {parentId: this.parentId});
this.id = id;
return id;
}
async show(elementRect, options) {
const id = await this.getPopupId();
elementRect = PopupProxy.DOMRectToJson(elementRect);
return await this.invokeHostApi('show', {id, elementRect, options});
}
async showOrphaned(elementRect, options) {
const id = await this.getPopupId();
elementRect = PopupProxy.DOMRectToJson(elementRect);
return await this.invokeHostApi('showOrphaned', {id, elementRect, options});
}
async hide(changeFocus) {
if (this.id === null) {
return;
}
return await this.invokeHostApi('hide', {id: this.id, changeFocus});
}
async setVisibleOverride(visible) {
const id = await this.getPopupId();
return await this.invokeHostApi('setVisibleOverride', {id, visible});
}
async containsPoint(x, y) {
if (this.id === null) {
return false;
}
return await this.invokeHostApi('containsPoint', {id: this.id, x, y});
}
async termsShow(elementRect, writingMode, definitions, options, context) {
const id = await this.getPopupId();
elementRect = PopupProxy.DOMRectToJson(elementRect);
return await this.invokeHostApi('termsShow', {id, elementRect, writingMode, definitions, options, context});
}
async kanjiShow(elementRect, writingMode, definitions, options, context) {
const id = await this.getPopupId();
elementRect = PopupProxy.DOMRectToJson(elementRect);
return await this.invokeHostApi('kanjiShow', {id, elementRect, writingMode, definitions, options, context});
}
async clearAutoPlayTimer() {
if (this.id === null) {
return;
}
return await this.invokeHostApi('clearAutoPlayTimer', {id: this.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 DOMRectToJson(domRect) {
return {
x: domRect.x,
y: domRect.y,
width: domRect.width,
height: domRect.height
};
}
}