private void SetPlaybackState(PlaybackState newState)
{
// If the playback state has not changed, return
if (currentPlaybackState == newState)
{
return;
}
// Otherwise, make changes to the UI based on the new state
switch (newState)
{
// For the no open file state, disable all playback controls apart from the home button and the
// open file button
case PlaybackState.NoOpenFile:
SetUiStates(true, true, false, false, false, false, false);
break;
// If the open file button is selected, open the panel with this set of controls visible and disable
// the toolbar buttons apart from the home button. Also, disable the playback controls whilst the
// panel is open
case PlaybackState.OpenFileSelected:
SetUiStates(true, false, false, true, true, false, false);
if (playbackManager.IsPlaying)
{
playbackManager.StopPlaying();
}
// Remove this line once download is implemented
DownloadButton.interactable = false;
break;
// Downloading file state not implemented
case PlaybackState.DownloadingFile:
break;
// If the user has selected a file to open, disable all UI controls whilst it loads the file info
case PlaybackState.OpeningFileInfo:
SetUiStates(false, false, false, false, false, false, false);
// Indicate to the playback manager that it should begin opening the specified file
// and add a event handler to the file info finished loading event
playbackManager.OpenFile(currentOpenFileName);
// Instantiate a loading bar prefab and get a reference to its manager class
GameObject loadingBar = Instantiate(LoadingBar, gameObject.transform) as GameObject;
loadingManager = loadingBar.GetComponent <LoadingBarManager>();
// Then, initialise it with 1 data item and the loading file info message before showing
// it in the canvas
loadingManager.InitialiseLoading(loadingFileInfoMessage, 1);
loadingManager.ShowLoading();
// Finally, set the file info ready flag to false
fileInfoReady = false;
break;
// If the file info has been loaded in and chunk data is now being loaded in, disable all UI
// controls whilst this happens
case PlaybackState.OpeningFileData:
SetUiStates(false, false, false, false, false, false, false);
// An instance of the loading bar should be available with a reference to its manager
// cached, so reinitialise the loading bar with the new chunk queue data
loadingManager.InitialiseLoading(loadingChunksMessage, playbackManager.GetChunksToLoadCount());
loadingManager.ShowLoading();
break;
// If the user has opened a file and they are playing it or they have paused it, everything will be enabled
// apart from the options panel
case PlaybackState.PausedFile:
SetUiStates(true, true, true, false, false, false, true);
if (playbackManager.IsPlaying)
{
playbackManager.StopPlaying();
}
sliderManager.StopPlaying();
break;
case PlaybackState.PlayingFile:
SetUiStates(true, true, true, false, false, false, true);
if (!playbackManager.IsPlaying)
{
playbackManager.StartPlaying();
}
sliderManager.StartPlaying();
break;
// If the file is buffering, everything should be disabled to prevent errors from occurring
case PlaybackState.BufferingFile:
SetUiStates(false, false, false, false, false, false, false);
sliderManager.StopPlaying();
// Instantiate a loading bar prefab and get a reference to its manager class
GameObject bufferingBar = Instantiate(LoadingBar, gameObject.transform) as GameObject;
loadingManager = bufferingBar.GetComponent <LoadingBarManager>();
// Then, initialise it with the chunks to load count from the playback manager and the
// buffering messgae before showing it in the canvas
loadingManager.InitialiseLoading(bufferingMessage, playbackManager.GetChunksToLoadCount());
loadingManager.ShowLoading();
break;
// If the upload file button is selected, open the panel with this set of controls visible and disable
// the toolbar buttons apart from the home button. Also, disable the playback controls whilst the
// panel is open
case PlaybackState.UploadFileSelected:
SetUiStates(true, false, false, true, false, true, false);
if (playbackManager.IsPlaying)
{
playbackManager.StopPlaying();
}
// Remove this line once upload is implemented
UploadRecordingButton.interactable = false;
break;
// Uploading file state not implemented
case PlaybackState.UploadingFile:
break;
}
// Store the new state
currentPlaybackState = newState;
}