112 lines
3.3 KiB
JavaScript
112 lines
3.3 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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const { RootMessageHandlerRegistry } = ChromeUtils.importESModule(
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"chrome://remote/content/shared/messagehandler/RootMessageHandlerRegistry.sys.mjs"
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);
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const { RootMessageHandler } = ChromeUtils.importESModule(
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"chrome://remote/content/shared/messagehandler/RootMessageHandler.sys.mjs"
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);
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/**
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* Test that events can be intercepted in the windowglobal-in-root layer.
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*/
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add_task(async function test_intercepted_event() {
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const tab = BrowserTestUtils.addTab(
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gBrowser,
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"https://example.com/document-builder.sjs?html=tab"
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);
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await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
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const browsingContext = tab.linkedBrowser.browsingContext;
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const rootMessageHandler = createRootMessageHandler(
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"session-id-intercepted_event"
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);
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const onInterceptedEvent = rootMessageHandler.once(
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"event.testEventWithInterception"
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);
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rootMessageHandler.handleCommand({
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moduleName: "event",
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commandName: "testEmitEventWithInterception",
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destination: {
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type: WindowGlobalMessageHandler.type,
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id: browsingContext.id,
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},
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});
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const interceptedEvent = await onInterceptedEvent;
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is(
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interceptedEvent.additionalInformation,
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"information added through interception",
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"Intercepted event contained additional information"
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);
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rootMessageHandler.destroy();
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gBrowser.removeTab(tab);
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});
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/**
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* Test that events can be canceled in the windowglobal-in-root layer.
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*/
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add_task(async function test_cancelable_event() {
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const tab = BrowserTestUtils.addTab(
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gBrowser,
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"https://example.com/document-builder.sjs?html=tab"
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);
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await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
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const browsingContext = tab.linkedBrowser.browsingContext;
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const rootMessageHandler = createRootMessageHandler(
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"session-id-cancelable_event"
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);
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const cancelableEvents = [];
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const onCancelableEvent = (name, event) => cancelableEvents.push(event);
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rootMessageHandler.on(
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"event.testEventCancelableWithInterception",
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onCancelableEvent
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);
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// Emit an event that should be canceled in the windowglobal-in-root layer.
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// Note that `shouldCancel` is only something supported for this test event,
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// and not a general message handler mechanism to cancel events.
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await rootMessageHandler.handleCommand({
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moduleName: "event",
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commandName: "testEmitEventCancelableWithInterception",
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destination: {
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type: WindowGlobalMessageHandler.type,
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id: browsingContext.id,
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},
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params: {
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shouldCancel: true,
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},
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});
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is(cancelableEvents.length, 0, "No event was received");
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// Emit another event which should not be canceled (shouldCancel: false).
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await rootMessageHandler.handleCommand({
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moduleName: "event",
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commandName: "testEmitEventCancelableWithInterception",
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destination: {
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type: WindowGlobalMessageHandler.type,
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id: browsingContext.id,
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},
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params: {
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shouldCancel: false,
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},
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});
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await TestUtils.waitForCondition(() => cancelableEvents.length == 1);
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is(cancelableEvents[0].shouldCancel, false, "Expected event was received");
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rootMessageHandler.off(
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"event.testEventCancelableWithInterception",
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onCancelableEvent
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);
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rootMessageHandler.destroy();
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gBrowser.removeTab(tab);
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});
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