Web-Windows/scrn.html at master · ankushbiswas/Web-Windows · GitHub

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<!DOCTYPE html>
<html lang="en">
   <head>
      <meta charset="UTF-8">
      <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
   </head>
   <body>
   <style>
#scrnrotate{
   display:none;
   }
*:after
{
   box-sizing: border-box;
   hyphens: auto;
   overflow-wrap: break-word;
}
   .api-support
{
   display: block;
}

.hidden,
[hidden]
{
   display: none;
}

.field-wrapper
{
   margin-top: 1em;
}

.buttons-wrapper
{
   text-align: center;
}

.value
{
   font-weight: bold;
}

.log
{
   border: 1px solid #333333;
   height: 200px;
   line-height: 1.3em;
   overflow-y: scroll;
   width: 100%;
   display:none;
}
sbutton,
input,
select,
textarea
{
   font-size: inherit;
}

.sbutton
{
   padding: 0.5em;
   margin: 1em 0;
}

.sbutton + .sbutton
{
   margin-left: 1em;
}
</style>
<script>
$(document).ready(function(){
$("#pleaserotate-backdrop").click(function(){
	$("input#lock-button").click();
});
});
</script>
<button id="pleaserotate-backdrop">click</button>


<div id="scrnrotate">
      <h1>Screen Orientation API</h1>

      <span id="so-unsupported" class="api-support hidden">API not supported</span>
      <span id="soo-supported" class="api-support hidden">Old API version supported</span>

      <div id="so-results">
         <ul>
            <li>
               The orientation of the device is <span id="orientation" class="value">unavailable</span>.
            </li>
            <li class="new-api hidden">
               The angle of the device is <span id="angle" class="value">unavailable</span>.
            </li>
         </ul>

         <form>
            <label for="orientation-type">Lock the device in:</label>
            <select id="orientation-type">
               <option value="landscape-primary">landscape-primary</option>
               <option value="landscape-secondary">landscape-secondary</option>
            </select>
            <br />
            <input class="sbutton" id="lock-button" type="submit" value="Lock!" />
   <input class="sbutton" id="unlock-button" type="reset" value="Unlock!" />
         </form>
      </div>

      <script>
         var prefix = 'orientation' in screen ? '' :
                      'mozOrientation' in screen ? 'moz' :
                      'msOrientation' in screen ? 'ms' :
                      null;

         if (prefix === null) {
            document.getElementById('so-unsupported').classList.remove('hidden');

            ['lock-button', 'unlock-button'].forEach(function(elementId) {
               document.getElementById(elementId).setAttribute('disabled', 'disabled');
            });
         } else {
            var select = document.getElementById('orientation-type');
            var orientationElem = document.getElementById('orientation');
            var onChangeHandler;

            var Fullscreen = {
               launch: function(element) {
                  if(element.requestFullscreen) {
                     element.requestFullscreen();
                  } else if(element.mozRequestFullScreen) {
                     element.mozRequestFullScreen();
                  } else if(element.webkitRequestFullscreen) {
                     element.webkitRequestFullscreen();
                  } else if(element.msRequestFullscreen) {
                     element.msRequestFullscreen();
                  }
               },
               exit: function() {
                  if(document.exitFullscreen) {
                     document.exitFullscreen();
                  } else if(document.mozCancelFullScreen) {
                     document.mozCancelFullScreen();
                  } else if(document.webkitExitFullscreen) {
                     document.webkitExitFullscreen();
                  } else if (document.msExitFullscreen) {
                     document.msExitFullscreen();
                  }
               }
            };

            // Determine what version of the API is implemented
            if ('orientation' in screen && 'angle' in screen.orientation) {
               // The browser supports the new version of the API

               // Show the properties supported by the new version
               var newProperties = document.getElementsByClassName('new-api');
               for(var i = 0; i < newProperties.length; i++) {
                  newProperties[i].classList.remove('hidden');
               }

               document.getElementById('lock-button').addEventListener('click', function (event) {
                  event.preventDefault();
                  screen.orientation.lock(select.value);
               });

               document.getElementById('unlock-button').addEventListener('click', function (event) {
                  event.preventDefault();
                  screen.orientation.unlock();
               });

               var angleElem = document.getElementById('angle');
               onChangeHandler = function() {
                  orientationElem.textContent = screen.orientation.type;
                  angleElem.textContent = screen.orientation.angle;
               };
               screen.orientation.addEventListener('change', onChangeHandler);
               onChangeHandler();
            } else {
               // The browser supports the old version of the API, so the user is informed of that
               document.getElementById('soo-supported').classList.remove('hidden');

               // Remove the options that aren't available in the old version of the API
               var unavailableOptions = [
                  document.querySelector('#orientation-type option[value="any"]'),
                  document.querySelector('#orientation-type option[value="natural"]')
               ];
               for(var i = 0; i < unavailableOptions.length; i++) {
                  unavailableOptions[i].parentElement.removeChild(unavailableOptions[i]);
               }

               document.getElementById('lock-button').addEventListener('click', function (event) {
                  event.preventDefault();

                  setTimeout(function () {
                     screen[prefix + (prefix === '' ? 'l' : 'L') + 'ockOrientation'](select.value);
                  }, 1);
               });
               document.getElementById('unlock-button').addEventListener('click', function (event) {
                  event.preventDefault();
                  screen[prefix + (prefix === '' ? 'u' : 'U') + 'nlockOrientation']();

               });

               onChangeHandler = function() {
                  var orientationProperty = prefix + (prefix === '' ? 'o' : 'O') + 'rientation';
                  orientationElem.textContent = screen[orientationProperty];
               };
               screen.addEventListener(prefix + 'orientationchange', onChangeHandler);
               onChangeHandler();
            }
         }
      </script>

      </div>
   </body>
</html>