<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8>
<title><input type=color></title>
<style>
body {
background-color: #eeffff;
}
iframe {
z-index: 2147483647;
width: 180px;
height: 240px;
border: 0;
overflow: hidden;
}
textarea {
width: 350px;
height: 150px;
}
</style>
</head>
<body>
<h3>This is a testbed for <input type=color></h3>
<h3>Regular popup <input type=color> <input type="color" id="color"></h3>
<h3>Inline iframe <input type=color></h3>
<div>Set arguments for the color picker with this textarea.</div>
<div>The arguments are used inside the picker as "global.params".</div>
<div>The string must be JSON formatted with double quotes.</div>
<div><textarea id=argsTextarea></textarea></div>
<div><button id=restartbutton>Restart picker with args</button></div>
<br>
<div id=iframecontainer></div>
<ol id="console" style="font-family:monospace;"></ol>
<script>
argsTextarea.textContent = `{
"selectedColor": "#aaaaaa"
}`;
restartbutton.onclick = openColorPicker;
function openColorPicker() {
const oldFrame = document.getElementById('coloriframe');
if (oldFrame)
oldFrame.remove();
const frame = document.createElement('iframe');
frame.id = 'coloriframe';
iframecontainer.appendChild(frame);
const doc = frame.contentDocument;
// The following code sets up a color picker inside an iframe as similarly as
// possible to ColorChooserPopupUIController::WriteColorPickerDocument.
// https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/core/html/forms/color_chooser_popup_ui_controller.cc;l=97;drc=cc7f2a9e51671f702fd5e6a07c0ffda834fa8a38
doc.documentElement.innerHTML = `
<head>
<meta charset='UTF-8'>
<link rel=stylesheet href="../../renderer/core/html/forms/resources/picker_common.css">
<link rel=stylesheet href="../../renderer/core/html/forms/resources/color_picker.css">
</head>
<body>
<div id=main>Loading...</div>
</body>
`;
const pickerCommon = doc.createElement('script');
pickerCommon.src = "../../renderer/core/html/forms/resources/picker_common.js";
doc.body.appendChild(pickerCommon);
const colorPicker = doc.createElement('script');
colorPicker.src = "../../renderer/core/html/forms/resources/color_picker.js";
doc.body.appendChild(colorPicker);
const colorPickerCommon = doc.createElement('script');
colorPickerCommon.src = "../../renderer/core/html/forms/resources/color_picker_common.js";
doc.body.appendChild(colorPickerCommon);
const pagePopupController = frame.contentWindow.pagePopupController = {
setValueAndClosePopup: function(numValue, stringValue) {
window.log('number=' + numValue + ', string="' + stringValue + '"');
if (numValue === 0)
window.document.getElementById('color').value = stringValue;
},
setValue: function(value) {
window.log('value="' + value + '"');
window.document.getElementById('color').value = value;
},
closePopup: function() {
},
};
setTimeout(function() {
frame.contentWindow.postMessage(argsTextarea.textContent, "*");
frame.contentWindow.pagePopupController = pagePopupController;
}, 100);
}
function log(str) {
var entry = document.createElement('li');
entry.innerText = str;
document.getElementById('console').appendChild(entry);
}
openColorPicker();
</script>
</body>
</html>