* Refactor Popup.setVisibleOverride * Use event to observe visibility changes * Add setAllVisibleOverride/clearAllVisibleOverride * Add setAllVisibleOverride/clearAllVisibleOverride cross frame handlers * Update how visibility is changed * Wait for next frame to ensure visibility has been updated
206 lines
5.6 KiB
JavaScript
206 lines
5.6 KiB
JavaScript
/*
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* Copyright (C) 2019-2020 Yomichan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* global
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* api
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*/
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class PopupProxy extends EventDispatcher {
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constructor(id, depth, frameId, ownerFrameId, frameOffsetForwarder=null) {
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super();
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this._id = id;
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this._depth = depth;
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this._frameId = frameId;
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this._ownerFrameId = ownerFrameId;
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this._frameOffsetForwarder = frameOffsetForwarder;
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this._frameOffset = null;
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this._frameOffsetPromise = null;
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this._frameOffsetUpdatedAt = null;
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this._frameOffsetExpireTimeout = 1000;
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}
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// Public properties
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get id() {
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return this._id;
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}
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get parent() {
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return null;
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}
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set parent(value) {
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throw new Error('Not supported on PopupProxy');
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}
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get child() {
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return null;
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}
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set child(value) {
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throw new Error('Not supported on PopupProxy');
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}
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get depth() {
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return this._depth;
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}
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get frameContentWindow() {
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return null;
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}
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get container() {
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return null;
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}
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get frameId() {
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return this._frameId;
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}
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// Public functions
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setOptionsContext(optionsContext, source) {
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return this._invokeSafe('setOptionsContext', {id: this._id, optionsContext, source});
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}
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hide(changeFocus) {
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return this._invokeSafe('hide', {id: this._id, changeFocus});
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}
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isVisible() {
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return this._invokeSafe('isVisible', {id: this._id}, false);
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}
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async setVisibleOverride(value, priority) {
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return this._invokeSafe('setVisibleOverride', {id: this._id, value, priority});
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}
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async clearVisibleOverride(token) {
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return this._invokeSafe('clearVisibleOverride', {id: this._id, token});
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}
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async containsPoint(x, y) {
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if (this._frameOffsetForwarder !== null) {
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await this._updateFrameOffset();
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[x, y] = this._applyFrameOffset(x, y);
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}
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return await this._invokeSafe('containsPoint', {id: this._id, x, y}, false);
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}
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async showContent(details, displayDetails) {
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const {elementRect} = details;
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if (typeof elementRect !== 'undefined') {
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let {x, y, width, height} = elementRect;
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if (this._frameOffsetForwarder !== null) {
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await this._updateFrameOffset();
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[x, y] = this._applyFrameOffset(x, y);
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}
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details.elementRect = {x, y, width, height};
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}
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return await this._invokeSafe('showContent', {id: this._id, details, displayDetails});
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}
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setCustomCss(css) {
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return this._invokeSafe('setCustomCss', {id: this._id, css});
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}
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clearAutoPlayTimer() {
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return this._invokeSafe('clearAutoPlayTimer', {id: this._id});
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}
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setContentScale(scale) {
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return this._invokeSafe('setContentScale', {id: this._id, scale});
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}
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isVisibleSync() {
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throw new Error('Not supported on PopupProxy');
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}
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updateTheme() {
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return this._invokeSafe('updateTheme', {id: this._id});
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}
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async setCustomOuterCss(css, useWebExtensionApi) {
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return this._invokeSafe('updateTheme', {id: this._id, css, useWebExtensionApi});
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}
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setChildrenSupported(value) {
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return this._invokeSafe('updateTheme', {id: this._id, value});
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}
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getFrameRect() {
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return new DOMRect(0, 0, 0, 0);
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}
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// Private
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_invoke(action, params={}) {
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return api.crossFrame.invoke(this._frameId, action, params);
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}
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async _invokeSafe(action, params={}, defaultReturnValue) {
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try {
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return await this._invoke(action, params);
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} catch (e) {
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if (!yomichan.isExtensionUnloaded) { throw e; }
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return defaultReturnValue;
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}
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}
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async _updateFrameOffset() {
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const now = Date.now();
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const firstRun = this._frameOffsetUpdatedAt === null;
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const expired = firstRun || this._frameOffsetUpdatedAt < now - this._frameOffsetExpireTimeout;
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if (this._frameOffsetPromise === null && !expired) { return; }
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if (this._frameOffsetPromise !== null) {
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if (firstRun) {
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await this._frameOffsetPromise;
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}
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return;
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}
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const promise = this._updateFrameOffsetInner(now);
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if (firstRun) {
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await promise;
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}
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}
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async _updateFrameOffsetInner(now) {
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this._frameOffsetPromise = this._frameOffsetForwarder.getOffset();
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try {
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const offset = await this._frameOffsetPromise;
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this._frameOffset = offset !== null ? offset : [0, 0];
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if (offset === null) {
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this.trigger('offsetNotFound');
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return;
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}
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this._frameOffsetUpdatedAt = now;
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} catch (e) {
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yomichan.logError(e);
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} finally {
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this._frameOffsetPromise = null;
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}
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}
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_applyFrameOffset(x, y) {
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const [offsetX, offsetY] = this._frameOffset;
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return [x + offsetX, y + offsetY];
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}
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}
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