seksenov

<video id="mediaVideo" src="img/Westminster_high.mp4" controls></video>

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if (typeof Windows !== 'undefined') {
  var systemMediaControls = Windows.Media.SystemMediaTransportControls.getForCurrentView();
  systemMediaControls.addEventListener("buttonpressed", systemMediaControlsButtonPressed, false);
  systemMediaControls.isPlayEnabled = true;
  systemMediaControls.isPauseEnabled = true;
  systemMediaControls.isStopEnabled = true;

  systemMediaControls.playbackStatus = Windows.Media.MediaPlaybackStatus.closed;
}

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document.addEventListener("DOMContentLoaded", function () {
  var videoElement = document.getElementById("mediaVideo");
  videoElement.addEventListener("pause", mediaPaused);
  videoElement.addEventListener("playing", mediaPlaying);
  videoElement.addEventListener("ended", mediaEnded);
});

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function mediaPlaying() {
  // Update the SystemMediaTransportControl state.
  systemMediaControls.playbackStatus = Windows.Media.MediaPlaybackStatus.playing;
}
function mediaPaused() {
  // Update the SystemMediaTransportControl state.
  systemMediaControls.playbackStatus = Windows.Media.MediaPlaybackStatus.paused;
}
function mediaEnded() {
  // Update the SystemMediaTransportControl state.

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function systemMediaControlsButtonPressed(eventIn) {
  var mediaButton = Windows.Media.SystemMediaTransportControlsButton;
  switch (eventIn.button) {
    case mediaButton.play:
      playMedia();
      break;
    case mediaButton.pause:
      pauseMedia();
      break;
    case mediaButton.stop:

seksenov

function playMedia() {
  var media = document.getElementById("mediaVideo");
  media.play();
}
function pauseMedia() {
  var media = document.getElementById("mediaVideo");
  media.pause();
}
function stopMedia() {
  var media = document.getElementById("mediaVideo");

seksenov

<video id="mediaVideo" src="img/Westminster_high.mp4" msAudioCategory="BackgroundCapableMedia" controls></video>

seksenov

<Extensions>
   <Extension Category="windows.backgroundTasks" StartPage="index.html">
      <BackgroundTasks>
         <Task Type="audio" />
      </BackgroundTasks
   </Extension>
</Extensions>

seksenov

document.addEventListener("DOMContentLoaded", function () {
  var videoElement = document.getElementById("mediaVideo");
  videoElement.addEventListener("msfullscreenchange", fullScreen);
  videoElement.addEventListener("webkitfullscreenchange", fullScreen);
  videoElement.addEventListener("fullscreenchange", fullScreen);
  videoElement.addEventListener("mozfullscreenchange", fullScreen);
});

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function fullScreen() {
  console.log("fullscreenchange");
  if (typeof Windows !== 'undefined') {
    var view = Windows.UI.ViewManagement.ApplicationView.getForCurrentView();
    if(view.IsFullScreenMode) {
      console.log("Exiting WinRT Fullscreen");
      view.ExitFullScreenMode();
    }
    else {
      console.log("Entering WinRT Fullscreen");