private double computeMediaTime(Media m)
{
double elapsed = this._stopWatch.Elapsed.Seconds;
double mediaDuration = m.Duration;
double time = elapsed % mediaDuration;
return time;
}
/// <summary>
/// Talks to server and updates current channels
/// </summary>
private void updateChannelListings()
{
// generate fake media
Media m1 = new Media(1, 4 * 60 + 40, 0, "test", "Video\\pixar_short.avi");
Media m2 = new Media(1, 2 * 60 + 9, 15, "test", "Video\\batman.avi");
Media m3 = new Media(1, 2 * 60 + 32, 0, "test", "Video\\spiderman.avi");
Media m4 = new Media(1, 2 * 60 * 30, 0, "test", "Video\\hobbit.avi");
Channel c1 = new Channel(0, "channel 1", m1);
Channel c2 = new Channel(0, "channel 2", m2);
Channel c3 = new Channel(0, "channel 3", m3);
Channel c4 = new Channel(0, "channel 4", m4);
this._channels.Clear();
this._channels.Add(c1);
this._channels.Add(c2);
this._channels.Add(c3);
this._channels.Add(c4);
for (int i = 0; i < this._channels.Count; i++)
{
Channel c = this._channels[i];
if (i == this._cachedMediaIndex)
{
c.Media.CurrentTime = this._cachedMedia.CurrentTime;
}
else
{
c.Media.CurrentTime = this.computeMediaTime(c.Media);
}
}
}
/// <summary>
/// pauses the media and media element
/// WARNING: PAUSING A CHANNEL INSTANTLY TURNS THAT INTO THE CACHE
/// </summary>
public Boolean pause(ScreenController.PauseReason pr)
{
if (!this.IsPaused)
{
this.IsPaused = true;
double position = this._screenController.pause(pr);
Channel curChannel = this.getCurrentChannel();
this._cachedMedia = curChannel.Media;
this._cachedMedia.CurrentTime = position;
this._cachedMediaIndex = this._currentChannelIndex;
// fade off the pause button
return true;
}
else
{
return false;
}
}
public Boolean turnOff()
{
if (this.IsOn)
{
this._stopWatch.Stop();
Channel curChannel = this.getCurrentChannel();
this._cachedMedia = curChannel.Media;
this._cachedMedia.CurrentTime = this._screenController.getCurrentMediaPosition();
this._cachedMediaIndex = this._currentChannelIndex;
this._isOn = false;
this.IsPaused = true;
this._screenController.turnOff();
return true;
}
else
{
return false;
}
}
private void moveMedia(Media media, Boolean isLeft)
{
this._currentMediaElement.Pause();
this._currentMediaElement.Source = media.FileUri;
this._currentMediaElement.Volume = this._currentMediaElement.Volume;
this._currentMediaElement.Play();
this._currentMediaElement.Position = TimeSpan.FromSeconds(media.CurrentTime);
/*
if (this._cornerIcon.Opacity > 0)
{
this._cornerIcon.Opacity = 0.0;
this._centerIcon.Source = this.generateImage(ScreenController.PLAY_FILE);
this._centerIcon.BeginAnimation(Canvas.OpacityProperty, this.generateDoubleAnimation(1.0, 0, ScreenController.PLAY_FADE_IN_DURATION));
}
this._currentMediaElement.Pause();
double currentPosition = this._currentMediaElement.Position.Seconds;
this._currentMedia.CurrentTime = currentPosition;
this._onPointMediaElement.Source = media.FileUri;
this._onPointMediaElement.Volume = this._currentMediaElement.Volume;
this._onPointMediaElement.Play();
this._onPointMediaElement.Position = TimeSpan.FromSeconds(media.CurrentTime);
this._currentContainer.Opacity = 1.0;
this._onPointContainer.Opacity = 1.0;
DoubleAnimation curAnimation = this.generateDoubleAnimation(this.screenX, this.screenX + this.screenWidth, ScreenController.SCREEN_CHANGE_DURATION);
DoubleAnimation onPointAnimation = this.generateDoubleAnimation(this.screenX - this.screenWidth, this.screenX, ScreenController.SCREEN_CHANGE_DURATION);
if (isLeft)
{
curAnimation = this.generateDoubleAnimation(this.screenX, this.screenX - this.screenWidth, ScreenController.SCREEN_CHANGE_DURATION);
onPointAnimation = this.generateDoubleAnimation(this.screenX + this.screenWidth, this.screenX, ScreenController.SCREEN_CHANGE_DURATION);
}
this._currentContainer.BeginAnimation(Canvas.LeftProperty, curAnimation);
this._onPointContainer.BeginAnimation(Canvas.LeftProperty, onPointAnimation);
Canvas tempContainer = this._currentContainer;
MediaElement tempMediaElement = this._currentMediaElement;
this._currentContainer = this._onPointContainer;
this._currentMediaElement = this._onPointMediaElement;
this._currentMedia = media;
this._onPointContainer = tempContainer;
this._onPointMediaElement = tempMediaElement;*/
}
public void turnOn(Media m)
{
this.CurrentMedia = m;
this._currentMediaElement.Source = this._currentMedia.FileUri;
this._currentMediaElement.Play();
this._cornerIcon.Opacity = 0;
this._currentMediaElement.Position = TimeSpan.FromSeconds(this._currentMedia.CurrentTime);
double startOpacity = this._currentContainer.Opacity;
this._currentContainer.BeginAnimation(Canvas.OpacityProperty, this.generateDoubleAnimation(startOpacity, 1, ScreenController.FADE_IN_DURATION));
}
public void moveMediaToRight(Media media)
{
this.moveMedia(media, false);
}
public void moveMediaToLeft(Media media)
{
this.moveMedia(media, true);
}
public Channel(int id, String name, Media media)
{
this._id = id;
this._name = name;
this._media = media;
}