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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Tests tabs.captureTab and tabs.captureVisibleTab</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/ExtensionTestUtils.js"></script>
<script type="text/javascript" src="head.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script type="text/javascript">
"use strict";
async function runTest({ html, fullZoom, coords, rect, scale }) {
let url = `data:text/html,${encodeURIComponent(html)}#scroll`;
async function background({ coords, rect, scale, method, fullZoom }) {
try {
// Wait for the page to load
await new Promise(resolve => {
browser.webNavigation.onCompleted.addListener(
() => resolve(),
{url: [{schemes: ["data"]}]});
});
let [tab] = await browser.tabs.query({
currentWindow: true,
active: true,
});
// TODO: Bug 1665429 - on mobile we ignore zoom for now
if (browser.tabs.setZoom) {
await browser.tabs.setZoom(tab.id, fullZoom ?? 1);
}
let id = method === "captureVisibleTab" ? tab.windowId : tab.id;
let [jpeg, png, ...pngs] = await Promise.all([
browser.tabs[method](id, { format: "jpeg", quality: 95, rect, scale }),
browser.tabs[method](id, { format: "png", quality: 95, rect, scale }),
browser.tabs[method](id, { quality: 95, rect, scale }),
browser.tabs[method](id, { rect, scale }),
]);
browser.test.assertTrue(
pngs.every(url => url == png),
"All PNGs are identical"
);
browser.test.assertTrue(
jpeg.startsWith("data:image/jpeg;base64,"),
"jpeg is JPEG"
);
browser.test.assertTrue(
png.startsWith("data:image/png;base64,"),
"png is PNG"
);
let promises = [jpeg, png].map(
url =>
new Promise(resolve => {
let img = new Image();
img.src = url;
img.onload = () => resolve(img);
})
);
let width = (rect?.width ?? tab.width) * (scale ?? devicePixelRatio);
let height = (rect?.height ?? tab.height) * (scale ?? devicePixelRatio);
[jpeg, png] = await Promise.all(promises);
let images = { jpeg, png };
for (let format of Object.keys(images)) {
let img = images[format];
// WGP.drawSnapshot() deals in int coordinates, and rounds down.
browser.test.assertTrue(
Math.abs(width - img.width) <= 1,
`${format} ok image width: ${img.width}, expected: ${width}`
);
browser.test.assertTrue(
Math.abs(height - img.height) <= 1,
`${format} ok image height ${img.height}, expected: ${height}`
);
let canvas = document.createElement("canvas");
canvas.width = img.width;
canvas.height = img.height;
canvas.mozOpaque = true;
let ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0);
for (let { x, y, color } of coords) {
x = (x + img.width) % img.width;
y = (y + img.height) % img.height;
let imageData = ctx.getImageData(x, y, 1, 1).data;
if (format == "png") {
browser.test.assertEq(
`rgba(${color},255)`,
`rgba(${[...imageData]})`,
`${format} image color is correct at (${x}, ${y})`
);
} else {
// Allow for some deviation in JPEG version due to lossy compression.
const SLOP = 3;
browser.test.log(
`Testing ${format} image color at (${x}, ${y}), have rgba(${[
...imageData,
]}), expecting approx. rgba(${color},255)`
);
browser.test.assertTrue(
Math.abs(color[0] - imageData[0]) <= SLOP,
`${format} image color.red is correct at (${x}, ${y})`
);
browser.test.assertTrue(
Math.abs(color[1] - imageData[1]) <= SLOP,
`${format} image color.green is correct at (${x}, ${y})`
);
browser.test.assertTrue(
Math.abs(color[2] - imageData[2]) <= SLOP,
`${format} image color.blue is correct at (${x}, ${y})`
);
browser.test.assertEq(
255,
imageData[3],
`${format} image color.alpha is correct at (${x}, ${y})`
);
}
}
}
browser.test.notifyPass("captureTab");
} catch (e) {
browser.test.fail(`Error: ${e} :: ${e.stack}`);
browser.test.notifyFail("captureTab");
}
}
for (let method of ["captureTab", "captureVisibleTab"]) {
let options = { coords, rect, scale, method, fullZoom };
info(`Testing configuration: ${JSON.stringify(options)}`);
let extension = ExtensionTestUtils.loadExtension({
manifest: {
permissions: ["<all_urls>", "webNavigation"],
},
background: `(${background})(${JSON.stringify(options)})`,
});
await extension.startup();
let testWindow = window.open(url);
await extension.awaitFinish("captureTab");
testWindow.close();
await extension.unload();
}
}
async function testEdgeToEdge({ color, fullZoom }) {
let neutral = [0xaa, 0xaa, 0xaa];
let html = `
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body style="background-color: rgb(${color})">
<!-- Fill most of the image with a neutral color to test edge-to-edge scaling. -->
<div style="position: absolute;
left: 2px;
right: 2px;
top: 2px;
bottom: 2px;
background: rgb(${neutral});"></div>
</body>
</html>
`;
// Check the colors of the first and last pixels of the image, to make
// sure we capture the entire frame, and scale it correctly.
let coords = [
{ x: 0, y: 0, color },
{ x: -1, y: -1, color },
{ x: 300, y: 200, color: neutral },
];
info(`Test edge to edge color ${color} at fullZoom=${fullZoom}`);
await runTest({ html, fullZoom, coords });
}
add_task(async function testCaptureEdgeToEdge() {
await testEdgeToEdge({ color: [0, 0, 0], fullZoom: 1 });
await testEdgeToEdge({ color: [0, 0, 0], fullZoom: 2 });
await testEdgeToEdge({ color: [0, 0, 0], fullZoom: 0.5 });
await testEdgeToEdge({ color: [255, 255, 255], fullZoom: 1 });
});
const tallDoc = `<!DOCTYPE html>
<meta charset=utf-8>
<meta name="viewport" content="width=device-width, initial-scale=1">
<div style="background: yellow; width: 50%; height: 500px;"></div>
<div id=scroll style="background: red; width: 25%; height: 5000px;"></div>
Opened with the #scroll fragment, scrolls the div ^ into view.
`;
// Test currently visible viewport is captured if scrolling is involved.
add_task(async function testScrolledViewport() {
await runTest({
html: tallDoc,
coords: [
{ x: 50, y: 50, color: [255, 0, 0] },
{ x: 50, y: -50, color: [255, 0, 0] },
{ x: -50, y: -50, color: [255, 255, 255] },
],
});
});
// Test rect and scale options.
add_task(async function testRectAndScale() {
await runTest({
html: tallDoc,
rect: { x: 50, y: 50, width: 10, height: 1000 },
scale: 4,
coords: [
{ x: 0, y: 0, color: [255, 255, 0] },
{ x: -1, y: 0, color: [255, 255, 0] },
{ x: 0, y: -1, color: [255, 0, 0] },
{ x: -1, y: -1, color: [255, 0, 0] },
],
});
});
// Test OOP iframes are captured, for Fission compatibility.
add_task(async function testOOPiframe() {
await runTest({
html: `<!DOCTYPE html>
<meta charset=utf-8>
<meta name="viewport" content="width=device-width, initial-scale=1">
<iframe src="http://example.net/tests/toolkit/components/extensions/test/mochitest/file_green.html"></iframe>
`,
coords: [
{ x: 50, y: 50, color: [0, 255, 0] },
{ x: 50, y: -50, color: [255, 255, 255] },
{ x: -50, y: 50, color: [255, 255, 255] },
],
});
});
add_task(async function testOOPiframeScale() {
let scale = 2;
await runTest({
html: `<!DOCTYPE html>
<meta charset=utf-8>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body {
background: yellow;
margin: 0;
}
</style>
<iframe frameborder="0" style="width: 300px; height: 300px" src="http://example.net/tests/toolkit/components/extensions/test/mochitest/file_green_blue.html"></iframe>
`,
coords: [
{ x: 20 * scale, y: 20 * scale, color: [0, 255, 0] },
{ x: 200 * scale, y: 20 * scale, color: [0, 0, 255] },
{ x: 20 * scale, y: 200 * scale, color: [0, 0, 255] },
],
scale,
});
});
add_task(async function testCaptureTabPermissions() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
permissions: ["tabs"],
},
background() {
browser.test.assertEq(
undefined,
browser.tabs.captureTab,
'Extension without "<all_urls>" permission should not have access to captureTab'
);
browser.test.notifyPass("captureTabPermissions");
},
});
await extension.startup();
await extension.awaitFinish("captureTabPermissions");
await extension.unload();
});
add_task(async function testCaptureVisibleTabPermissions() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
permissions: ["tabs"],
},
background() {
browser.test.assertEq(
undefined,
browser.tabs.captureVisibleTab,
'Extension without "<all_urls>" permission should not have access to captureVisibleTab'
);
browser.test.notifyPass("captureVisibleTabPermissions");
},
});
await extension.startup();
await extension.awaitFinish("captureVisibleTabPermissions");
await extension.unload();
});
add_task(async function testCaptureVisibleTabWithActiveTab() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
browser_action: {
default_area: "navbar",
},
permissions: ["webNavigation", "tabs", "activeTab"],
},
async background() {
// Wait for the page (in the test window) to load.
await new Promise(resolve => {
browser.webNavigation.onCompleted.addListener(
() => resolve(),
{url: [{schemes: ["data"]}]});
});
browser.browserAction.onClicked.addListener(async tab => {
await browser.tabs.captureVisibleTab(tab.windowId);
browser.test.notifyPass("captureVisibleTabPermissions");
});
browser.test.sendMessage("ready");
},
});
let html = `
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body><h1>hello</h1></body>
</html>
`;
await extension.startup();
let testWindow = window.open(`data:text/html,${encodeURIComponent(html)}#scroll`);
await extension.awaitMessage("ready");
await AppTestDelegate.clickBrowserAction(testWindow, extension);
await extension.awaitFinish("captureVisibleTabPermissions");
await AppTestDelegate.closeBrowserAction(testWindow, extension);
testWindow.close();
await extension.unload();
});
add_task(async function testCaptureVisibleTabWithActiveTabAndNotUserInteraction() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
permissions: ["webNavigation", "tabs", "activeTab"],
},
async background() {
// Wait for the page (in the test window) to load.
await new Promise(resolve => {
browser.webNavigation.onCompleted.addListener(
() => resolve(),
{url: [{schemes: ["data"]}]});
});
let [tab] = await browser.tabs.query({ currentWindow: true, active: true });
await browser.test.assertRejects(
browser.tabs.captureVisibleTab(tab.windowId),
/Missing activeTab permission/,
"Expected rejection because activeTab permission isn't set"
);
browser.test.notifyPass("captureVisibleTabPermissions");
},
});
let html = `
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body><h1>hello</h1></body>
</html>
`;
await extension.startup();
let testWindow = window.open(`data:text/html,${encodeURIComponent(html)}#scroll`);
await extension.awaitFinish("captureVisibleTabPermissions");
testWindow.close();
await extension.unload();
});
add_task(async function testCaptureVisibleTabWithActiveTabAndAllURLs() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
permissions: ["webNavigation", "tabs", "activeTab", "<all_urls>"],
},
async background() {
// Wait for the page (in the test window) to load.
await new Promise(resolve => {
browser.webNavigation.onCompleted.addListener(
() => resolve(),
{url: [{schemes: ["data"]}]});
});
let [tab] = await browser.tabs.query({ currentWindow: true, active: true });
await browser.tabs.captureVisibleTab(tab.windowId);
browser.test.notifyPass("captureVisibleTabPermissions");
},
});
let html = `
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body><h1>hello</h1></body>
</html>
`;
await extension.startup();
let testWindow = window.open(`data:text/html,${encodeURIComponent(html)}#scroll`);
await extension.awaitFinish("captureVisibleTabPermissions");
testWindow.close();
await extension.unload();
});
</script>
</body>
</html>
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