gecko-dev/dom/camera/test/test_camera_take_picture.html

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Исходник Обычный вид История

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=940424
-->
<head>
<title>Bug 940424 - Test camera hardware API failure handling</title>
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="camera_common.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=940424">Mozilla Bug 940424</a>
<video id="viewfinder" width = "200" height = "200" autoplay></video>
<img src="#" alt="This image is going to load" id="testimage"/>
<script class="testbody" type="text/javascript;version=1.7">
var suite = new CameraTestSuite();
suite.test('take-picture-failures', function() {
function startTakePictureProcessError(p) {
suite.hw.attach({
takePicture: function() {
suite.hw.fireTakePictureError();
}
});
return suite.camera.takePicture();
}
function rejectTakePictureProcessError(e) {
ok(e.name === 'NS_ERROR_FAILURE', 'takePicture() process should fail: ' + e);
}
function startTakePictureError(p) {
suite.hw.attach({
takePicture: function() {
throw SpecialPowers.Cr.NS_ERROR_FAILURE;
}
});
return suite.camera.takePicture();
}
function rejectTakePictureError(e) {
ok(e.name === 'NS_ERROR_FAILURE', 'takePicture() should fail: ' + e);
}
return suite.getCamera()
.catch(suite.rejectGetCamera)
.then(startTakePictureProcessError)
.then(suite.expectedRejectTakePicture, rejectTakePictureProcessError)
.then(startTakePictureError)
.then(suite.expectedRejectTakePicture, rejectTakePictureError)
});
suite.test('shutter', function() {
function shutter(p) {
return new Promise(function(resolve, reject) {
function onShutter(e) {
ok(true, 'received shutter event');
suite.camera.removeEventListener('shutter', onShutter);
resolve();
}
suite.camera.addEventListener('shutter', onShutter);
suite.hw.fireShutter();
});
}
return suite.getCamera()
.then(shutter, suite.rejectGetCamera)
});
suite.test('take-picture', function() {
suite.hw.params['picture-format-values'] = 'jpeg,png';
suite.hw.params['picture-format'] = 'jpeg';
var config = {
fileFormat: 'png',
latitude: 1.0,
longitude: 2.0,
altitude: 3.0,
timestamp: 4
};
var data = 'this is a test';
var eventPromise;
function takePicture(p) {
eventPromise = new Promise(function(resolve, reject) {
function onPicture(evt) {
ok(true, 'got picture event');
try {
verifyPicture(evt.data);
} catch(e) {
reject(e);
}
suite.camera.removeEventListener('picture', onPicture);
resolve();
}
suite.camera.addEventListener('picture', onPicture);
});
suite.hw.attach({
takePicture: function() {
ok(suite.hw.params['picture-format'] === 'png', "requested format is '" + suite.hw.params['picture-format'] + "'");
suite.hw.fireTakePictureComplete(new window.Blob([data], {'type': config.fileFormat}));
}
});
return suite.camera.takePicture(config);
}
function verifyPicture(blob) {
ok(blob.size == data.length, "picture blob is " + blob.size + " bytes");
ok(blob.type === 'image/' + config.fileFormat, "picture blob format is '" + blob.type + "'");
}
function tookPicture(p) {
ok(true, 'got picture promise');
verifyPicture(p);
return eventPromise;
}
return suite.getCamera()
.then(takePicture, suite.rejectGetCamera)
.then(tookPicture, suite.rejectTakePicture);
});
suite.test('take-picture-no-config', function() {
var data = 'this is a test';
var format = 'jpeg';
suite.hw.params['picture-format-values'] = 'jpeg,png';
suite.hw.params['picture-format'] = format;
function takePicture(p) {
suite.hw.attach({
takePicture: function() {
ok(suite.hw.params['picture-format'] === format, "requested format is '" + suite.hw.params['picture-format'] + "'");
suite.hw.fireTakePictureComplete(new window.Blob([data], {'type': format}));
}
});
return suite.camera.takePicture();
}
function verifyPicture(blob) {
ok(blob.size == data.length, "picture blob is " + blob.size + " bytes");
ok(blob.type === 'image/' + format, "picture blob format is '" + blob.type + "'");
}
return suite.getCamera()
.then(takePicture, suite.rejectGetCamera)
.then(verifyPicture, suite.rejectTakePicture);
});
suite.setup()
.then(suite.run);
</script>
</body>
</html>