forked from mirrors/gecko-dev
427e3b23dc
MozReview-Commit-ID: CRYxu7copKb --HG-- extra : rebase_source : bc176c5e6890ffc6a4e26cb9bc9d441d9486ce7b
55 lines
1.6 KiB
JavaScript
55 lines
1.6 KiB
JavaScript
// urlbar is injected into the urlbar add-on iframe by Panel.jsm for tests.
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/* global urlbar */
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// Listen for messages from the test.
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addEventListener("TestEvent", event => {
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let type = event.detail.type;
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dump("urlbarAddonIframe.js got TestEvent, type=" + type +
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" messageID=" + event.detail.messageID + "\n");
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switch (type) {
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case "function":
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callUrlbarFunction(event.detail);
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break;
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case "event":
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expectEvent(event.detail);
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break;
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}
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});
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// Calls a urlbar API function.
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function callUrlbarFunction(detail) {
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let args = detail.data;
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let methodName = args.shift();
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dump("urlbarAddonIframe.js calling urlbar." + methodName + "\n");
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let rv = urlbar[methodName](...args);
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ack(detail, rv);
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}
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// Waits for an event of a specified type to happen.
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function expectEvent(detail) {
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let type = detail.data;
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dump("urlbarAddonIframe.js expecting event of type " + type + "\n");
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// Ack that the message was received and an event listener was added.
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ack(detail, null, 0);
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addEventListener(type, function onEvent(event) {
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dump("urlbarAddonIframe.js got event of type " + type + "\n");
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if (event.type != type) {
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return;
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}
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dump("urlbarAddonIframe.js got expected event\n");
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removeEventListener(type, onEvent);
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// Ack that the event was received.
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ack(detail, event.detail, 1);
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});
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}
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// Sends an ack to the test.
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function ack(originalEventDetail, ackData = null, ackIndex = 0) {
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dispatchEvent(new CustomEvent("TestEventAck", {
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detail: {
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messageID: originalEventDetail.messageID,
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ackIndex,
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data: ackData,
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},
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}));
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}
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