private void SwitchDemonstrationSceneEventHandler(SwitchDemonstrationSceneContext context)
{
_desktopWindowCollector.PushingData -= _desktopWindowCollector_PushingData;
switch (context.SceneType)
{
case DemonstratioType.PPT:
AllSceneHidden();
_player.Pause();
PPTViewer.OpenPPT(context.UseDevice.ToString());
DemonstrationPPTScene.Visibility = Visibility;
_desktopWindowCollector.SetWindowHandle(DemonstrationPPTScene.Handle);
break;
case DemonstratioType.VideoDevice:
AllSceneHidden();
_player.Pause();
DemonstrationVideoDeviceScene.Visibility = Visibility.Visible;
MsPlayer.OpenDevice(context.UseDevice as IVideoDevice);
_desktopWindowCollector.SetWindowHandle(DemonstrationVideoDeviceScene.Handle);
break;
case DemonstratioType.Image:
_player.Pause();
AllSceneHidden();
if (_imagePath != context.UseDevice.ToString())
{
_imagePath = context.UseDevice.ToString();
BitmapImage bitmap = new BitmapImage(new Uri(_imagePath));
ImageControl.ImageSource = bitmap;
}
DefaultScene.Visibility = Visibility.Visible;
_desktopWindowCollector.SetWindowHandle(DefaultScene.Handle);
break;
case DemonstratioType.Video:
if (context.UseDevice.ToString() != _videoPath)
{
_videoPath = context.UseDevice.ToString();
AllSceneHidden();
_player.Open(new Uri(_videoPath));
}
_player.Play();
DemonstrationVideoScene.Visibility = Visibility.Visible;
_desktopWindowCollector.SetWindowHandle(DemonstrationVideoScene.Handle);
break;
default:
AllSceneHidden();
DefaultScene.Visibility = Visibility.Visible;
_desktopWindowCollector.SetWindowHandle(DefaultScene.Handle);
break;
}
}
private void SwitchScene(string sceneType)
{
SwitchDemonstrationSceneContext context = new SwitchDemonstrationSceneContext()
{
SceneType = DemonstratioType.None, Source = (SceneType)int.Parse(sceneType)
};
PresentationInfo presentationInfo;
switch (context.Source)
{
case SceneType.PPT:
if (PresentationViewModel.CurrentSelectedPresentation == null)
{
MessageBox.Show("请选择需要演示的文件", "系统提示");
return;
}
presentationInfo = PresentationViewModel.CurrentSelectedPresentation.Presentation;
context.SceneType = presentationInfo.DemoFileType;
context.UseDevice = presentationInfo.FileFullPath;
break;
case SceneType.WarmVideo:
if (PresentationViewModel.CurrentSelectedWarmVideo == null)
{
MessageBox.Show("请选择需要演示的文件", "系统提示");
return;
}
presentationInfo = PresentationViewModel.CurrentSelectedWarmVideo.Presentation;
context.SceneType = presentationInfo.DemoFileType;
context.UseDevice = presentationInfo.FileFullPath;
break;
case SceneType.VideoDevice:
if (CameraDeviceViewModel.CurrentSelectedDevice == null)
{
MessageBox.Show("请选择需要播放的视频设备", "系统提示");
return;
}
context.SceneType = DemonstratioType.VideoDevice;
context.UseDevice = CameraDeviceViewModel.CurrentSelectedDevice.OwnerVideoDevice.OwnerVideoDevice;
break;
}
_eventAggregator.GetEvent <SwitchDemonstrationSceneEvent>().Publish(context);
}
