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package com.android.customization.model.clock;
import android.content.ContentResolver;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ProviderInfo;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.text.TextUtils;
import com.android.customization.model.CustomizationManager.OptionsFetchedListener;
import com.android.customization.model.clock.Clockface.Builder;
import com.android.wallpaper.R;
import com.android.wallpaper.asset.ContentUriAsset;
import com.bumptech.glide.Glide;
import com.bumptech.glide.request.RequestOptions;
import java.util.ArrayList;
import java.util.List;
public class ContentProviderClockProvider implements ClockProvider {
private final Context mContext;
private final ProviderInfo mProviderInfo;
private List<Clockface> mClocks;
private boolean mClockContentAvailable;
public ContentProviderClockProvider(Context context) {
mContext = context;
String providerAuthority = mContext.getString(R.string.clocks_provider_authority);
// TODO: check permissions if needed
mProviderInfo = TextUtils.isEmpty(providerAuthority) ? null
: mContext.getPackageManager().resolveContentProvider(providerAuthority,
PackageManager.MATCH_SYSTEM_ONLY);
if (TextUtils.isEmpty(mContext.getString(R.string.clocks_stub_package))) {
mClockContentAvailable = false;
} else {
try {
ApplicationInfo applicationInfo = mContext.getPackageManager().getApplicationInfo(
mContext.getString(R.string.clocks_stub_package),
PackageManager.MATCH_SYSTEM_ONLY);
mClockContentAvailable = applicationInfo != null;
} catch (NameNotFoundException e) {
mClockContentAvailable = false;
}
}
}
@Override
public boolean isAvailable() {
return mProviderInfo != null && mClockContentAvailable
&& (mClocks == null || !mClocks.isEmpty());
}
@Override
public void fetch(OptionsFetchedListener<Clockface> callback, boolean reload) {
if (!isAvailable()) {
if (callback != null) {
callback.onError(null);
}
return;
}
if (mClocks != null && !reload) {
if (callback != null) {
if (!mClocks.isEmpty()) {
callback.onOptionsLoaded(mClocks);
} else {
callback.onError(null);
}
}
return;
}
new ClocksFetchTask(mContext, mProviderInfo, options -> {
mClocks = options;
if (callback != null) {
if (!mClocks.isEmpty()) {
callback.onOptionsLoaded(mClocks);
} else {
callback.onError(null);
}
}
}).execute();
}
private static class ClocksFetchTask extends AsyncTask<Void, Void, List<Clockface>> {
private static final String LIST_OPTIONS = "list_options";
private static final String COL_NAME = "name";
private static final String COL_TITLE = "title";
private static final String COL_ID = "id";
private static final String COL_THUMBNAIL = "thumbnail";
private static final String COL_PREVIEW = "preview";
private final OptionsFetchedListener<Clockface> mCallback;
private Context mContext;
private final ProviderInfo mProviderInfo;
public ClocksFetchTask(Context context, ProviderInfo providerInfo,
OptionsFetchedListener<Clockface> callback) {
super();
mContext = context;
mProviderInfo = providerInfo;
mCallback = callback;
}
@Override
protected List<Clockface> doInBackground(Void... voids) {
Uri optionsUri = new Uri.Builder()
.scheme(ContentResolver.SCHEME_CONTENT)
.authority(mProviderInfo.authority)
.appendPath(LIST_OPTIONS)
.build();
ContentResolver resolver = mContext.getContentResolver();
List<Clockface> clockfaces = new ArrayList<>();
try (Cursor c = resolver.query(optionsUri, null, null, null, null)) {
while(c.moveToNext()) {
String id = c.getString(c.getColumnIndex(COL_ID));
String title = c.getString(c.getColumnIndex(COL_TITLE));
String thumbnailUri = c.getString(c.getColumnIndex(COL_THUMBNAIL));
String previewUri = c.getString(c.getColumnIndex(COL_PREVIEW));
Uri thumbnail = Uri.parse(thumbnailUri);
Uri preview = Uri.parse(previewUri);
Clockface.Builder builder = new Builder();
builder.setId(id).setTitle(title)
.setThumbnail(new ContentUriAsset(mContext, thumbnail,
RequestOptions.fitCenterTransform()))
.setPreview(new ContentUriAsset(mContext, preview,
RequestOptions.fitCenterTransform()));
clockfaces.add(builder.build());
}
Glide.get(mContext).clearDiskCache();
} catch (Exception e) {
clockfaces = null;
} finally {
mContext = null;
}
return clockfaces;
}
@Override
protected void onPostExecute(List<Clockface> clockfaces) {
super.onPostExecute(clockfaces);
mCallback.onOptionsLoaded(clockfaces);
}
}
}
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