gecko-dev/toolkit/components/extensions/ext-c-runtime.js

77 строки
2.6 KiB
JavaScript

"use strict";
function runtimeApiFactory(context) {
let {extension} = context;
return {
runtime: {
onConnect: context.messenger.onConnect("runtime.onConnect"),
onMessage: context.messenger.onMessage("runtime.onMessage"),
connect: function(extensionId, connectInfo) {
let name = connectInfo !== null && connectInfo.name || "";
extensionId = extensionId || extension.id;
let recipient = {extensionId};
return context.messenger.connect(context.messageManager, name, recipient);
},
sendMessage: function(...args) {
let options; // eslint-disable-line no-unused-vars
let extensionId, message, responseCallback;
if (typeof args[args.length - 1] == "function") {
responseCallback = args.pop();
}
if (!args.length) {
return Promise.reject({message: "runtime.sendMessage's message argument is missing"});
} else if (args.length == 1) {
message = args[0];
} else if (args.length == 2) {
if (typeof args[0] == "string" && args[0]) {
[extensionId, message] = args;
} else {
[message, options] = args;
}
} else if (args.length == 3) {
[extensionId, message, options] = args;
} else if (args.length == 4 && !responseCallback) {
return Promise.reject({message: "runtime.sendMessage's last argument is not a function"});
} else {
return Promise.reject({message: "runtime.sendMessage received too many arguments"});
}
if (extensionId != null && typeof extensionId != "string") {
return Promise.reject({message: "runtime.sendMessage's extensionId argument is invalid"});
}
if (options != null && typeof options != "object") {
return Promise.reject({message: "runtime.sendMessage's options argument is invalid"});
}
// TODO(robwu): Validate option keys and values when we support it.
extensionId = extensionId || extension.id;
let recipient = {extensionId};
return context.messenger.sendMessage(context.messageManager, message, recipient, responseCallback);
},
get lastError() {
return context.lastError;
},
getManifest() {
return Cu.cloneInto(extension.manifest, context.cloneScope);
},
id: extension.id,
getURL: function(url) {
return extension.baseURI.resolve(url);
},
},
};
}
extensions.registerSchemaAPI("runtime", "addon_child", runtimeApiFactory);
extensions.registerSchemaAPI("runtime", "content_child", runtimeApiFactory);