80 lines
2.2 KiB
JavaScript
80 lines
2.2 KiB
JavaScript
var { classes: Cc, interfaces: Ci, utils: Cu } = Components;
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Cu.import("resource://gre/modules/ExtensionUtils.jsm");
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var {
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EventManager,
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ignoreEvent,
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} = ExtensionUtils;
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function processRuntimeConnectParams(win, ...args) {
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let extensionId, connectInfo;
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// connect("...") and connect("...", { ... })
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if (typeof args[0] == "string") {
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extensionId = args.shift();
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}
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// connect({ ... }) and connect("...", { ... })
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if (!!args[0] && typeof args[0] == "object") {
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connectInfo = args.shift();
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}
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// raise errors on unexpected connect params (but connect() is ok)
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if (args.length > 0) {
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throw win.Error("invalid arguments to runtime.connect");
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}
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return { extensionId, connectInfo };
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}
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extensions.registerAPI((extension, context) => {
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return {
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runtime: {
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onStartup: new EventManager(context, "runtime.onStartup", fire => {
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extension.onStartup = fire;
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return () => {
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extension.onStartup = null;
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};
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}).api(),
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onInstalled: ignoreEvent(),
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onMessage: context.messenger.onMessage("runtime.onMessage"),
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onConnect: context.messenger.onConnect("runtime.onConnect"),
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connect: function(...args) {
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let { extensionId, connectInfo } = processRuntimeConnectParams(context.contentWindow, ...args);
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let name = connectInfo && connectInfo.name || "";
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let recipient = extensionId ? {extensionId} : {extensionId: extension.id};
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return context.messenger.connect(Services.cpmm, name, recipient);
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},
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sendMessage: function(...args) {
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let extensionId, message, options, responseCallback;
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if (args.length == 1) {
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message = args[0];
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} else if (args.length == 2) {
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[message, responseCallback] = args;
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} else {
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[extensionId, message, options, responseCallback] = args;
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}
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let recipient = {extensionId: extensionId ? extensionId : extension.id};
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return context.messenger.sendMessage(Services.cpmm, message, recipient, responseCallback);
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},
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getManifest() {
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return Cu.cloneInto(extension.manifest, context.cloneScope);
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},
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id: extension.id,
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getURL: function(url) {
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return extension.baseURI.resolve(url);
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},
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},
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};
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});
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