private string CreateNewSoundFilename(out string path)
{
var obj = m_innerView.Cache.ServiceLocator.GetObject(m_innerView.HvoObj);
var mediaDir = FdoFileHelper.GetMediaDir(m_innerView.Cache.LangProject.LinkedFilesRootDir);
Directory.CreateDirectory(mediaDir); // Palaso media library does not cope if it does not exist.
// Make up a unique file name for the new recording. It starts with the shortname of the object
// so as to somewhat link them together, then adds a unique timestamp, then if by any chance
// that exists it keeps trying.
var baseNameForFile = obj.ShortName;
// LT-12926: Path.ChangeExtension checks for invalid filename chars,
// so we need to fix the filename before calling it.
foreach (var c in Path.GetInvalidFileNameChars())
{
baseNameForFile = baseNameForFile.Replace(c, '_');
}
// WeSay and most other programs use NFC for file names, so we'll standardize on this.
baseNameForFile = baseNameForFile.Normalize(NormalizationForm.FormC);
string filename;
do
{
filename = baseNameForFile;
filename = Path.ChangeExtension(DateTime.UtcNow.Ticks + filename, "wav");
path = Path.Combine(mediaDir, filename);
} while (File.Exists(path));
return(filename);
}
private void SetupSoundControls()
{
if (m_innerView.WritingSystemsToDisplay == null)
{
return; // should get called again when it is set up.
}
if (m_innerView.RootBox == null)
{
return; // called again in MakeRoot, when information more complete.
}
int index = -1;
foreach (var ws in m_innerView.WritingSystemsToDisplay)
{
index++;
var pws = ws as WritingSystemDefinition;
if (pws == null || !pws.IsVoice ||
MultiStringSelectionUtils.GetSelAtStartOfWs(m_innerView.RootBox, m_innerView.Flid, index, ws) == null)
{
continue;
}
var soundFieldControl = new ShortSoundFieldControl();
m_soundControls.Add(soundFieldControl); // todo: one for each audio one
soundFieldControl.Visible = true;
soundFieldControl.PlayOnly = false;
var filename = m_innerView.Cache.DomainDataByFlid.get_MultiStringAlt(m_innerView.HvoObj, m_innerView.Flid, ws.Handle).Text ?? "";
string path;
if (String.IsNullOrEmpty(filename))
{
// Provide a filename for copying an existing file to.
CreateNewSoundFilename(out path);
}
else
{
var mediaDir = FdoFileHelper.GetMediaDir(m_innerView.Cache.LangProject.LinkedFilesRootDir);
Directory.CreateDirectory(mediaDir); // Palaso media library does not cope if it does not exist.
path = Path.Combine(mediaDir, filename.Normalize(NormalizationForm.FormC));
// Windows in total defiance of the Unicode standard does not consider alternate normalizations
// of file names equal. The name in our string will always be NFD. From 7.2.2 we are saving files
// in NFC, but files from older versions could be NFD, so we need to check both. This is not
// foolproof...don't know any way to look for all files that might exist with supposedly equivalent
// names not normalized at all.
if (!File.Exists(path))
{
var tryPath = path.Normalize(NormalizationForm.FormD);
if (File.Exists(tryPath))
{
path = tryPath;
}
}
}
soundFieldControl.Path = path;
soundFieldControl.BeforeStartingToRecord += soundFieldControl_BeforeStartingToRecord;
soundFieldControl.SoundRecorded += soundFieldControl_SoundRecorded;
soundFieldControl.SoundDeleted += soundFieldControl_SoundDeleted;
Controls.Add(soundFieldControl);
}
}
