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function enableAllTextTracks(textTracks) {
for (var i = 0; i < textTracks.length; i++) {
var track = textTracks[i];
if (track.mode == "disabled")
track.mode = "hidden";
}
}
function assert_cues_equal(cues, expected) {
assert_equals(cues.length, expected.length);
for (var i = 0; i < cues.length; i++) {
assert_equals(cues[i].id, expected[i].id);
assert_equals(cues[i].startTime, expected[i].startTime);
assert_equals(cues[i].endTime, expected[i].endTime);
assert_equals(cues[i].text, expected[i].text);
}
}
function assert_cues_match(cues, expected) {
assert_equals(cues.length, expected.length);
for (var i = 0; i < cues.length; i++) {
var cue = cues[i];
var expectedItem = expected[i];
for (var property of Object.getOwnPropertyNames(expectedItem))
assert_equals(cue[property], expectedItem[property]);
}
}
function assert_cues_html_content(cues, expected) {
assert_equals(cues.length, expected.length);
for (var i = 0; i < cues.length; i++) {
var expectedItem = expected[i];
var property = Object.getOwnPropertyNames(expectedItem)[0];
var propertyValue = expectedItem[property];
assert_equals(propertyValue(cues[i]), expectedItem.expected);
}
}
function check_cues_from_track(src, func) {
async_test(function(t) {
var video = document.createElement("video");
var trackElement = document.createElement("track");
trackElement.src = src;
trackElement.default = true;
video.appendChild(trackElement);
trackElement.onload = t.step_func_done(function() {
func(trackElement.track);
});
}, "Check cues from " + src);
}
function assert_cue_fragment(cue, children) {
var fragment = createFragment(children);
assert_true(fragment.isEqualNode(cue.getCueAsHTML()));
}
function assert_cue_fragment_as_textcontent(cue, children) {
var fragment = createFragment(children);
assert_equals(cue.getCueAsHTML().textContent, fragment.textContent);
}
function createFragment(children) {
var fragment = document.createDocumentFragment();
cloneChildrenToFragment(fragment, children);
return fragment;
}
function cloneChildrenToFragment(root, children) {
for (var child of children) {
var childElement;
if (child.type == "text") {
childElement = document.createTextNode(child.value);
} else {
childElement = document.createElement(child.type);
var styles = child.style || {};
for (var attr of Object.getOwnPropertyNames(styles))
childElement[attr] = styles[attr];
cloneChildrenToFragment(childElement, child.value);
}
root.appendChild(childElement);
}
}
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