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var captionsButtonElement;
var captionsButtonCoordinates;
function mediaControlsElement(first, id)
{
for (var element = first; element; element = element.nextSibling) {
// Not every element in the media controls has a shadow pseudo ID, eg. the
// text nodes for the time values, so guard against exceptions.
try {
if (internals.shadowPseudoId(element) == id)
return element;
} catch (exception) { }
if (element.firstChild) {
var childElement = mediaControlsElement(element.firstChild, id);
if (childElement)
return childElement;
}
}
return null;
}
function mediaControlsButtonCoordinates(element, id)
{
var controlID = "-webkit-media-controls-" + id;
var button = mediaControlsElement(internals.shadowRoot(element).firstChild, controlID);
if (!button)
throw "Failed to find media control element ID '" + id + "'";
var buttonBoundingRect = button.getBoundingClientRect();
var x = buttonBoundingRect.left + buttonBoundingRect.width / 2;
var y = buttonBoundingRect.top + buttonBoundingRect.height / 2;
return new Array(x, y);
}
function mediaControlsButtonDimensions(element, id)
{
var controlID = "-webkit-media-controls-" + id;
var button = mediaControlsElement(internals.shadowRoot(element).firstChild, controlID);
if (!button)
throw "Failed to find media control element ID '" + id + "'";
var buttonBoundingRect = button.getBoundingClientRect();
return new Array(buttonBoundingRect.width, buttonBoundingRect.height);
}
function textTrackDisplayElement(parentElement, id, cueNumber)
{
var textTrackContainerID = "-webkit-media-text-track-container";
var containerElement = mediaControlsElement(internals.shadowRoot(parentElement).firstChild, textTrackContainerID);
if (!containerElement)
throw "Failed to find text track container element";
if (!id)
return containerElement;
if (arguments[1] != 'cue')
var controlID = "-webkit-media-text-track-" + arguments[1];
else
var controlID = arguments[1];
var displayElement = mediaControlsElement(containerElement.firstChild, controlID);
if (!displayElement)
throw "No text track cue with display id '" + controlID + "' is currently visible";
if (cueNumber) {
for (i = 0; i < cueNumber; i++)
displayElement = displayElement.nextSibling;
if (!displayElement)
throw "There are not " + cueNumber + " text track cues visible";
}
return displayElement;
}
function testClosedCaptionsButtonVisibility(expected)
{
try {
captionsButtonElement = mediaControlsElement(internals.shadowRoot(video).firstChild, "-webkit-media-controls-toggle-closed-captions-button");
captionsButtonCoordinates = mediaControlsButtonCoordinates(video, "toggle-closed-captions-button");
} catch (exception) {
consoleWrite("Failed to find a closed captions button or its coordinates: " + exception);
if (expected)
failTest();
return;
}
consoleWrite("");
if (expected == true) {
consoleWrite("** Caption button should be visible and enabled because we have a captions track.");
testExpected("captionsButtonCoordinates[0]", 0, ">");
testExpected("captionsButtonCoordinates[1]", 0, ">");
testExpected("captionsButtonElement.disabled", false);
} else {
consoleWrite("** Caption button should not be visible as there are no caption tracks.");
testExpected("captionsButtonCoordinates[0]", 0, "<=");
testExpected("captionsButtonCoordinates[1]", 0, "<=");
}
}
function clickCCButton()
{
consoleWrite("*** Click the CC button.");
eventSender.mouseMoveTo(captionsButtonCoordinates[0], captionsButtonCoordinates[1]);
eventSender.mouseDown();
eventSender.mouseUp();
}
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