gecko-dev/dom/camera/test/test_camera_3.html

78 строки
2.1 KiB
HTML

<!DOCTYPE HTML>
<html>
<head>
<title>Test for multiple calls to mozCameras.getCamera()</title>
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<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 whichCamera = navigator.mozCameras.getListOfCameras()[0];
var options = {
mode: 'picture',
recorderProfile: 'high',
previewSize: {
width: 352,
height: 288
}
};
function onError(e) {
ok(false, "Error " + e);
}
var Camera = {
cameraObj: null,
get viewfinder() {
return document.getElementById('viewfinder');
},
onReady: function take_two() {
function onSuccess(d) {
ok(false, "Unexpectedly got second camera instance: " + d.config.toSource);
}
function onFailure(error) {
ok(true, "Correctly failed to get camera again");
SimpleTest.finish();
}
navigator.mozCameras.getCamera(whichCamera, options).then(onSuccess, onFailure);
},
onPreviewStateChange: function onPreviewStateChange(e) {
if (e.newState === 'started') {
ok(true, "viewfinder is ready and playing");
Camera.cameraObj.removeEventListener('previewstatechange', Camera.onPreviewStateChange);
Camera.onReady();
}
},
release: function release() {
cameraObj = null;
},
start: function run_test() {
function onSuccess(d) {
Camera.cameraObj = d.camera;
Camera.cameraObj.addEventListener('previewstatechange', Camera.onPreviewStateChange);
Camera.viewfinder.mozSrcObject = d.camera;
Camera.viewfinder.play();
};
navigator.mozCameras.getCamera(whichCamera, options).then(onSuccess, onError);
}
}
SimpleTest.waitForExplicitFinish();
window.addEventListener('beforeunload', function() {
Camera.viewfinder.mozSrcObject = null;
Camera.cameraObj.release();
Camera.cameraObj = null;
});
Camera.start();
</script>
</body>
</html>