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package juloo.keyboard2.dict;
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.zip.GZIPInputStream;
import juloo.cdict.Cdict;
import juloo.keyboard2.Config;
import juloo.keyboard2.DeviceLocales;
import juloo.keyboard2.Logs;
import juloo.keyboard2.R;
import juloo.keyboard2.Utils;
public class DictionaryListView extends LinearLayout
{
List<DictView> _dict_views;
Dictionaries _dictionaries;
Set<String> _pending = new HashSet();
public DictionaryListView(Context ctx, AttributeSet attrs)
{
super(ctx, attrs);
setOrientation(LinearLayout.VERTICAL);
_dictionaries = Dictionaries.instance(ctx);
inflate_views(ctx);
}
void inflate_views(Context ctx)
{
DeviceLocales locales = DeviceLocales.load(ctx);
SupportedDictionaries ds = new SupportedDictionaries(ctx.getResources());
DownloadBtnListener listener = this.new DownloadBtnListener();
_dict_views = new ArrayList<DictView>();
for (DeviceLocales.Loc loc : locales.installed)
{
int idx = (loc.dictionary != null) ? ds.find(loc.dictionary) : -1;
if (idx >= 0)
{
DictView dv = new DictView(ctx, ds, idx, listener);
addView(dv.view);
_dict_views.add(dv);
}
}
refresh();
}
/** Update the "installed" status of item views. Meaning whether the
"download" or "delete" button is shown. */
void refresh()
{
Set<String> installed = _dictionaries.get_installed();
for (DictView d : _dict_views)
d.refresh(installed, _pending);
}
void toggle_installed(String dict_name)
{
run_dictionary_action(dict_name, new Runnable()
{
public void run()
{
if (_dictionaries.get_installed().contains(dict_name))
_dictionaries.uninstall(dict_name);
else if (install_dictionary_from_internet(dict_name))
post_toast(R.string.dictionaries_download_success);
else
post_toast(R.string.dictionaries_download_failed);
}
});
}
/** Run action [r] for dictionary [name] if no action is already running for
that dictionary. Calls [refresh] after the action completed. */
void run_dictionary_action(String name, Runnable r)
{
if (_pending.contains(name))
return;
_pending.add(name);
(new Thread()
{
public void run()
{
r.run();
post(new Runnable()
{
public void run()
{
_pending.remove(name);
refresh();
}
});
}
}).start();
refresh();
}
final class DownloadBtnListener implements View.OnClickListener
{
@Override
public void onClick(View v)
{
for (DictView dv : _dict_views)
if (dv.download_button == v)
toggle_installed(dv.dict_name);
}
}
static final class DictView
{
public final View view;
public final String dict_name;
public final View download_button;
public DictView(Context ctx, SupportedDictionaries ds, int dict_index,
DownloadBtnListener on_click)
{
view = View.inflate(ctx, R.layout.dictionary_download_item, null);
dict_name = ds.dict_name(dict_index);
float size_mb = ds.size(dict_index) / 1048576.f;
((TextView)view.findViewById(R.id.dictionary_download_locale))
.setText(ds.display_name(dict_index));
((TextView)view.findViewById(R.id.dictionary_download_size))
.setText(NumberFormat.getInstance().format(size_mb) + "MB");
download_button = view.findViewById(R.id.dictionary_download_button);
download_button.setOnClickListener(on_click);
}
public void refresh(Set<String> installed, Set<String> pending)
{
download_button.setBackgroundResource(installed.contains(dict_name)
? R.drawable.ic_delete : R.drawable.ic_download);
download_button.setVisibility(pending.contains(dict_name)
? View.GONE : View.VISIBLE);
}
}
static final String DICT_REPO_URL =
"https://github.com/Julow/Unexpected-Keyboard-dictionaries/raw/refs/heads/main";
static URL url_of_dictionary(String dict_name)
throws MalformedURLException
{
int format_version = 0;
return new URL(DICT_REPO_URL + "/v" + format_version + "/" + dict_name
+ ".dict");
}
/** Returns [true] on success. */
boolean install_dictionary_from_internet(String dict_name)
{
try
{
// Remote files are compressed with gzip at rest. Do not use server side
// compression and force decompression.
URLConnection con = url_of_dictionary(dict_name).openConnection();
con.setRequestProperty("Accept-Encoding", "identity");
byte[] data = Utils.read_all_bytes(new GZIPInputStream(con.getInputStream()));
Cdict.of_bytes(data); // Check that the dictionary can load.
_dictionaries.install(dict_name, data);
return true;
}
catch (Exception e)
{
Logs.exn("", e);
return false;
}
}
void post_toast(int msg_id)
{
post(new Runnable()
{
public void run()
{
Toast.makeText(getContext(), msg_id, Toast.LENGTH_SHORT).show();
}
});
}
}
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