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function Stream(ui) {
// var self = this;
/********************************************************************************/
var __prev_state = false;
var __resolution = "640x480";
var __resolutions = ["640x480"];
var __normal_size = {width: 640, height: 480};
var __size_factor = 1;
var __init__ = function() {
$("stream-led").title = "Stream inactive";
$("stream-reset-button").onclick = __clickResetButton;
$("stream-resolution-select").onchange = __changeResolution;
$("stream-size-slider").oninput = __resize;
$("stream-size-slider").onchange = __resize;
__startPoller();
};
/********************************************************************************/
// XXX: In current implementation we don't need this event because Stream() has own state poller
var __startPoller = function() {
var http = tools.makeRequest("GET", "/streamer/?action=snapshot", function() {
if (http.readyState === 2 || http.readyState === 4) {
var status = http.status;
http.onreadystatechange = null;
http.abort();
if (status !== 200) {
tools.info("Refreshing stream ...");
__prev_state = false;
$("stream-image").className = "stream-image-inactive";
$("stream-box").classList.add("stream-box-inactive");
$("stream-led").className = "led-off";
$("stream-led").title = "Stream inactive";
$("stream-reset-button").disabled = true;
$("stream-resolution-select").disabled = true;
} else if (!__prev_state) {
__refreshImage();
__prev_state = true;
$("stream-image").className = "stream-image-active";
$("stream-box").classList.remove("stream-box-inactive");
$("stream-led").className = "led-on";
$("stream-led").title = "Stream is active";
$("stream-reset-button").disabled = false;
}
}
});
setTimeout(__startPoller, 1500);
};
var __clickResetButton = function() {
$("stream-reset-button").disabled = true;
var http = tools.makeRequest("POST", "/kvmd/streamer/reset", function() {
if (http.readyState === 4) {
if (http.status !== 200) {
alert("Can't reset stream:", http.responseText);
}
}
});
};
var __changeResolution = function() {
var resolution = $("stream-resolution-select").value;
if (__resolution != resolution) {
$("stream-resolution-select").disabled = true;
var http = tools.makeRequest("POST", "/kvmd/streamer/set_params?resolution=" + resolution, function() {
if (http.readyState === 4) {
if (http.status !== 200) {
alert("Can't change stream:", http.responseText);
}
}
});
}
};
var __resize = function() {
var percent = $("stream-size-slider").value;
$("stream-size-value").innerHTML = percent + "%";
__size_factor = percent / 100;
__applySizeFactor();
};
var __applySizeFactor = function() {
var el_stream_image = $("stream-image");
el_stream_image.style.width = __normal_size.width * __size_factor + "px";
el_stream_image.style.height = __normal_size.height * __size_factor + "px";
ui.showWindow($("stream-window"));
};
var __refreshImage = function() {
var http = tools.makeRequest("GET", "/kvmd/streamer", function() {
if (http.readyState === 4 && http.status === 200) {
var result = JSON.parse(http.responseText).result;
if (__resolutions != result.resolutions) {
tools.info("Resolutions list changed:", result.resolutions);
$("stream-resolution-select").innerHTML = "";
result.resolutions.forEach(function(resolution) {
$("stream-resolution-select").innerHTML += "<option value=\"" + resolution + "\">" + resolution + "</option>";
});
$("stream-resolution-select").disabled = (result.resolutions.length == 1);
__resolutions = result.resolutions;
}
if (__resolution != result.resolution) {
tools.info("Resolution changed:", result.resolution);
document.querySelector("#stream-resolution-select [value=\"" + result.resolution + "\"]").selected = true;
__resolution = result.resolution;
}
__normal_size = result.size;
__applySizeFactor();
$("stream-image").src = "/streamer/?action=stream&time=" + new Date().getTime();
}
});
};
__init__();
}
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