public void qryBgTask(BgTask task)
{
Debug.WriteLine("{0} qryBgTask {1}", this, task.type);
m_msgQueue.Enqueue(task);
if (!m_WorkerIsRunning)
{
m_worker.RunWorkerAsync();
}
}
protected virtual void OnBgProcess(BgTask task)
{
BgProcess?.Invoke(this, task);
}
private void bg_process(object sender, BgTask e)
{
Debug.WriteLine(string.Format("bg_process {0}", (bgTaskType)e.type));
switch ((bgTaskType)e.type)
{
case bgTaskType.saveFolder:
{
//not used
throw new Exception("not use");
StorageFolder folder = (StorageFolder)e.data;
//save last selected folder
if (folder.Path != m_chapterPgCfg.lastPath)
{
m_chapterPgCfg.lastPath = folder.Path;
//clear prev data
m_chapterPgCfg.clean();
m_chapterPgCfg.save();
m_content.m_chapters.Clear();
}
var mru = StorageApplicationPermissions.MostRecentlyUsedList;
mru.Clear();
string mruToken = mru.Add(folder, folder.Path);
}
break;
case bgTaskType.saveLessonFolder:
{
StorageFolder folder = (StorageFolder)e.data;
//save last selected folder
if (folder.Path != m_lessonPgCfg.lastPath)
{
m_lessonPgCfg.lastPath = folder.Path;
//clear prev data
m_lessonPgCfg.selectedLessons.Clear();
m_lessonPgCfg.save();
m_content.m_lessons.Clear();
}
var mru = StorageApplicationPermissions.MostRecentlyUsedList;
mru.Clear();
string mruToken = mru.Add(folder, folder.Path);
}
break;
case bgTaskType.loadData:
{
m_bgwork.qryFgTask(new FgTask {
type = (int)fgTaskType.prepareProgress
});
StorageFolder folder = (StorageFolder)e.data;
IReadOnlyList <StorageFile> fileList = null;
var t = Task.Run(async() => {
fileList = await folder.GetFilesAsync();
});
t.Wait();
int n = fileList.Count;
int ret = 0;
for (int i = 0; i < n; i++)
{
t = Task.Run(async() => {
ret = await m_content.loadSingleChapter(fileList[i]);
});
t.Wait();
m_bgwork.qryFgTask(new FgTask {
type = (int)fgTaskType.updateProgress, data = (double)i * 100 / n
});
}
m_bgwork.qryFgTask(new FgTask {
type = (int)fgTaskType.hideProgress
});
}
break;
case bgTaskType.loadLessons:
{
m_bgwork.qryFgTask(new FgTask {
type = (int)fgTaskType.prepareProgress
});
StorageFolder folder = (StorageFolder)e.data;
IReadOnlyList <StorageFile> fileList = null;
var t = Task.Run(async() => {
fileList = await folder.GetFilesAsync();
});
t.Wait();
int n = fileList.Count;
int ret = 0;
for (int i = 0; i < n; i++)
{
t = Task.Run(async() => {
ret = await m_content.loadSingleLesson(fileList[i]);
});
t.Wait();
m_bgwork.qryFgTask(new FgTask {
type = (int)fgTaskType.updateProgress, data = (double)i * 100 / n
});
}
m_bgwork.qryFgTask(new FgTask {
type = (int)fgTaskType.hideProgress
});
}
break;
case bgTaskType.loadDict:
{
m_bgwork.qryFgTask(new FgTask {
type = (int)fgTaskType.updateStatus, data = "Loading dict ..."
});
m_bgwork.qryFgTask(new FgTask {
type = (int)fgTaskType.prepareProgress
});
Task t = Task.Run(() => { myDict.Load(); });
while (t.Status != TaskStatus.RanToCompletion)
//while (myDict.loadProgress < 100)
{
m_bgwork.qryFgTask(new FgTask {
type = (int)fgTaskType.updateProgress, data = (double)myDict.loadProgress
});
//myWorker.sleep(100);
t.Wait(100);
}
Debug.Assert(myDict.loadProgress == 100);
//Debug.Assert(t.Status == TaskStatus.RanToCompletion);
m_bgwork.qryFgTask(new FgTask {
type = (int)fgTaskType.hideProgress
});
m_bgwork.qryFgTask(new FgTask {
type = (int)fgTaskType.updateStatus, data = "Loading completed!"
});
}
break;
case bgTaskType.delayNext:
{
m_bgwork.qryFgTask(new FgTask {
type = (int)fgTaskType.delayNext
});
}
break;
}
}
