forked from mirrors/gecko-dev
139 lines
No EOL
3.5 KiB
JavaScript
139 lines
No EOL
3.5 KiB
JavaScript
/* Copyright 2021 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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class SandboxSupportBase {
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constructor(win) {
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this.win = win;
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this.timeoutIds = new Map();
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this.commFun = null;
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}
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destroy() {
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this.commFunc = null;
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this.timeoutIds.forEach(([_, id]) => this.win.clearTimeout(id));
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this.timeoutIds = null;
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}
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exportValueToSandbox(val) {
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throw new Error("Not implemented");
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}
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importValueFromSandbox(val) {
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throw new Error("Not implemented");
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}
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createErrorForSandbox(errorMessage) {
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throw new Error("Not implemented");
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}
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callSandboxFunction(name, args) {
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try {
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args = this.exportValueToSandbox(args);
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this.commFun(name, args);
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} catch (e) {
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this.win.console.error(e);
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}
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}
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createSandboxExternals() {
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const externals = {
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setTimeout: (callbackId, nMilliseconds) => {
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if (typeof callbackId !== "number" || typeof nMilliseconds !== "number") {
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return;
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}
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const id = this.win.setTimeout(() => {
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this.timeoutIds.delete(callbackId);
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this.callSandboxFunction("timeoutCb", {
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callbackId,
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interval: false
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});
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}, nMilliseconds);
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this.timeoutIds.set(callbackId, id);
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},
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clearTimeout: id => {
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this.win.clearTimeout(this.timeoutIds.get(id));
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this.timeoutIds.delete(id);
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},
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setInterval: (callbackId, nMilliseconds) => {
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if (typeof callbackId !== "number" || typeof nMilliseconds !== "number") {
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return;
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}
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const id = this.win.setInterval(() => {
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this.callSandboxFunction("timeoutCb", {
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callbackId,
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interval: true
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});
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}, nMilliseconds);
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this.timeoutIds.set(callbackId, id);
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},
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clearInterval: id => {
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this.win.clearInterval(this.timeoutIds.get(id));
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this.timeoutIds.delete(id);
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},
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alert: cMsg => {
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if (typeof cMsg !== "string") {
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return;
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}
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this.win.alert(cMsg);
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},
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confirm: cMsg => {
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if (typeof cMsg !== "string") {
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return false;
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}
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return this.win.confirm(cMsg);
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},
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prompt: (cQuestion, cDefault) => {
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if (typeof cQuestion !== "string" || typeof cDefault !== "string") {
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return null;
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}
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return this.win.prompt(cQuestion, cDefault);
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},
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parseURL: cUrl => {
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const url = new this.win.URL(cUrl);
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const props = [
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"hash",
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"host",
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"hostname",
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"href",
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"origin",
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"password",
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"pathname",
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"port",
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"protocol",
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"search",
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"searchParams",
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"username"
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];
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return Object.fromEntries(props.map(name => [
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name,
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url[name].toString()
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]));
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},
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send: data => {
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if (!data) {
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return;
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}
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const event = new this.win.CustomEvent("updatefromsandbox", { detail: this.importValueFromSandbox(data) });
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this.win.dispatchEvent(event);
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}
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};
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Object.setPrototypeOf(externals, null);
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return (name, args) => {
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try {
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const result = externals[name](...args);
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return this.exportValueToSandbox(result);
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} catch (error) {
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throw this.createErrorForSandbox(error?.toString() ?? "");
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}
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};
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}
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}
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{
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var EXPORTED_SYMBOLS = ["SandboxSupportBase"];
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} |