private void updateListView(int position) {
List<DownloadJob> jobs = null;
switch (position) {
case 1:
jobs = mDownloadMan.getQueuedDownloads();
break;
case 2:
jobs = mDownloadMan.getCompletedDownloads();
break;
default:
jobs = mDownloadMan.getAllDownloads();
break;
}
if (lastNavPosition == position && jobs != null && jobs.size() == mAdapter.getCount()) {
mAdapter.notifyDataSetChanged();
} else {
mAdapter.setData((ArrayList<DownloadJob>) jobs);
mListView.setVisibility(View.VISIBLE);
mStateView.setVisibility(View.GONE);
}
mBar.setTitle("共" + mAdapter.getCount() + "个下载项");
if (jobs.isEmpty()) {
mStateView.setText(getString(R.string.no_download));
mStateView.setVisibility(View.VISIBLE);
mListView.setVisibility(View.GONE);
}
}
@Override
protected void onStop() {
super.onStop();
mDownloadMan.unregisterDownloadObserver(this);
try {
unbindService(conn);
} catch (Exception e) {
}
}
@Override
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_download_delete:
int i = 0;
for (DownloadJob job : mAdapter.getCheckedJobs()) {
mDownloadMan.deleteDownload(job);
i++;
}
AcApp.showToast("删除完毕 - 共" + i + "项");
break;
case R.id.menu_download_resume:
AcApp.showToast("继续");
for (DownloadJob job : mAdapter.getCheckedJobs()) {
if (job.getProgress() != 100) {
job.setListener(mDownloadService.mJobListener);
job.resume();
mDownloadMan.getProvider().resume(job);
}
}
break;
case R.id.menu_download_pause:
AcApp.showToast("暂停");
for (DownloadJob job : mAdapter.getCheckedJobs()) {
if (DownloadManager.isRunningStatus(job.getStatus())) {
job.setListener(mDownloadService.mJobListener);
job.pause();
}
}
break;
case R.id.menu_select_all:
mAdapter.checkedAll();
break;
}
return true;
}
// @Override
// public boolean onCreateOptionsMenu(Menu menu) {
// menu.add(0,R.id.edit_query,0,"编辑").setIcon(R.drawable.ic_menu_mark).setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
// return true;
// }
@Override
protected void onStart() {
super.onStart();
mDownloadMan.registerDownloadObserver(this);
mAdapter.notifyDataSetChanged();
}