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"use strict";
async function installAndStartExtension() {
function contentScript() {
window.addEventListener("keydown", aEvent => {
console.log("keydown event is fired");
if (aEvent.defaultPrevented) {
return;
}
let selection = window.getSelection();
if (selection.isCollapsed) {
return;
}
if (aEvent.ctrlKey && aEvent.key === "k") {
document.execCommand("createLink", false, "http://example.com/");
aEvent.preventDefault();
}
});
}
let extension = ExtensionTestUtils.loadExtension({
manifest: {
content_scripts: [
{
js: ["content_script.js"],
matches: ["<all_urls>"],
run_at: "document_start",
},
],
},
files: {
"content_script.js": contentScript,
},
});
await extension.startup();
return extension;
}
add_task(async function () {
const extension = await installAndStartExtension();
const tab = await BrowserTestUtils.openNewForegroundTab(
gBrowser,
"http://example.com/browser/dom/events/test/file_beforeinput_by_execCommand_in_contentscript.html",
true
);
/**
* Document.execCommand() shouldn't cause `beforeinput`, but it may be used
* by addons for emulating user input and make the input undoable on builtin
* editors. Therefore, if and only if it's called by addons, `beforeinput`
* should be fired.
*/
function runTest() {
const editor = content.document.querySelector("[contenteditable]");
editor.focus();
content.document.getSelection().selectAllChildren(editor);
let beforeinput;
editor.addEventListener("beforeinput", aEvent => {
beforeinput = aEvent;
});
const description = 'Test execCommand("createLink")';
editor.addEventListener("input", aEvent => {
if (!beforeinput) {
sendAsyncMessage("Test:BeforeInputInContentEditable", {
succeeded: false,
message: `${description}: No beforeinput event is fired`,
});
return;
}
sendAsyncMessage("Test:BeforeInputInContentEditable", {
succeeded:
editor.innerHTML === '<a href="http://example.com/">abcdef</a>',
message: `${description}: editor.innerHTML=${editor.innerHTML}`,
});
});
}
try {
tab.linkedBrowser.messageManager.loadFrameScript(
"data:,(" + runTest.toString() + ")();",
false
);
let testResult = new Promise(resolve => {
let mm = tab.linkedBrowser.messageManager;
mm.addMessageListener(
"Test:BeforeInputInContentEditable",
function onFinish(aMsg) {
mm.removeMessageListener(
"Test:BeforeInputInContentEditable",
onFinish
);
is(aMsg.data.succeeded, true, aMsg.data.message);
resolve();
}
);
});
info("Sending Ctrl+K...");
await BrowserTestUtils.synthesizeKey(
"k",
{ ctrlKey: true },
tab.linkedBrowser
);
info("Waiting test result...");
await testResult;
} finally {
BrowserTestUtils.removeTab(tab);
await extension.unload();
}
});
add_task(async function () {
const extension = await installAndStartExtension();
const tab = await BrowserTestUtils.openNewForegroundTab(
gBrowser,
"http://example.com/browser/dom/events/test/file_beforeinput_by_execCommand_in_contentscript.html",
true
);
/**
* Document.execCommand() from addons should be treated as a user input.
* Therefore, it should not block first nested Document.execCommand() call
* in a "beforeinput" event listener in the web app.
*/
function runTest() {
const editor = content.document.querySelectorAll("[contenteditable]")[1];
editor.focus();
content.document.getSelection().selectAllChildren(editor);
const beforeInputs = [];
editor.parentNode.addEventListener(
"beforeinput",
aEvent => {
beforeInputs.push(aEvent);
},
{ capture: true }
);
const description =
'Test web app calls execCommand("insertText") on "beforeinput"';
editor.addEventListener("input", aEvent => {
if (!beforeInputs.length) {
sendAsyncMessage("Test:BeforeInputInContentEditable", {
succeeded: false,
message: `${description}: No beforeinput event is fired`,
});
return;
}
if (beforeInputs.length > 1) {
sendAsyncMessage("Test:BeforeInputInContentEditable", {
succeeded: false,
message: `${description}: Too many beforeinput events are fired`,
});
return;
}
sendAsyncMessage("Test:BeforeInputInContentEditable", {
succeeded: editor.innerHTML.replace("<br>", "") === "ABCDEF",
message: `${description}: editor.innerHTML=${editor.innerHTML}`,
});
});
}
try {
tab.linkedBrowser.messageManager.loadFrameScript(
"data:,(" + runTest.toString() + ")();",
false
);
let testResult = new Promise(resolve => {
let mm = tab.linkedBrowser.messageManager;
mm.addMessageListener(
"Test:BeforeInputInContentEditable",
function onFinish(aMsg) {
mm.removeMessageListener(
"Test:BeforeInputInContentEditable",
onFinish
);
is(aMsg.data.succeeded, true, aMsg.data.message);
resolve();
}
);
});
info("Sending Ctrl+K...");
await BrowserTestUtils.synthesizeKey(
"k",
{ ctrlKey: true },
tab.linkedBrowser
);
info("Waiting test result...");
await testResult;
} finally {
BrowserTestUtils.removeTab(tab);
await extension.unload();
}
});
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