Rabbit-R1/android (non root)/java/sources/androidx/cursoradapter/widget/CursorAdapter.java
2024-05-21 17:08:36 -04:00

267 lines
8.6 KiB
Java

package androidx.cursoradapter.widget;
import android.content.Context;
import android.database.ContentObserver;
import android.database.Cursor;
import android.database.DataSetObserver;
import android.os.Handler;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Filter;
import android.widget.FilterQueryProvider;
import android.widget.Filterable;
import androidx.cursoradapter.widget.CursorFilter;
/* loaded from: classes.dex */
public abstract class CursorAdapter extends BaseAdapter implements Filterable, CursorFilter.CursorFilterClient {
@Deprecated
public static final int FLAG_AUTO_REQUERY = 1;
public static final int FLAG_REGISTER_CONTENT_OBSERVER = 2;
protected boolean mAutoRequery;
protected ChangeObserver mChangeObserver;
protected Context mContext;
protected Cursor mCursor;
protected CursorFilter mCursorFilter;
protected DataSetObserver mDataSetObserver;
protected boolean mDataValid;
protected FilterQueryProvider mFilterQueryProvider;
protected int mRowIDColumn;
public abstract void bindView(View view, Context context, Cursor cursor);
@Override // androidx.cursoradapter.widget.CursorFilter.CursorFilterClient
public Cursor getCursor() {
return this.mCursor;
}
public FilterQueryProvider getFilterQueryProvider() {
return this.mFilterQueryProvider;
}
@Override // android.widget.BaseAdapter, android.widget.Adapter
public boolean hasStableIds() {
return true;
}
public abstract View newView(Context context, Cursor cursor, ViewGroup viewGroup);
public void setFilterQueryProvider(FilterQueryProvider filterQueryProvider) {
this.mFilterQueryProvider = filterQueryProvider;
}
@Deprecated
public CursorAdapter(Context context, Cursor cursor) {
init(context, cursor, 1);
}
public CursorAdapter(Context context, Cursor cursor, boolean z) {
init(context, cursor, z ? 1 : 2);
}
public CursorAdapter(Context context, Cursor cursor, int i) {
init(context, cursor, i);
}
@Deprecated
protected void init(Context context, Cursor cursor, boolean z) {
init(context, cursor, z ? 1 : 2);
}
void init(Context context, Cursor cursor, int i) {
if ((i & 1) == 1) {
i |= 2;
this.mAutoRequery = true;
} else {
this.mAutoRequery = false;
}
boolean z = cursor != null;
this.mCursor = cursor;
this.mDataValid = z;
this.mContext = context;
this.mRowIDColumn = z ? cursor.getColumnIndexOrThrow("_id") : -1;
if ((i & 2) == 2) {
this.mChangeObserver = new ChangeObserver();
this.mDataSetObserver = new MyDataSetObserver();
} else {
this.mChangeObserver = null;
this.mDataSetObserver = null;
}
if (z) {
ChangeObserver changeObserver = this.mChangeObserver;
if (changeObserver != null) {
cursor.registerContentObserver(changeObserver);
}
DataSetObserver dataSetObserver = this.mDataSetObserver;
if (dataSetObserver != null) {
cursor.registerDataSetObserver(dataSetObserver);
}
}
}
@Override // android.widget.Adapter
public int getCount() {
Cursor cursor;
if (!this.mDataValid || (cursor = this.mCursor) == null) {
return 0;
}
return cursor.getCount();
}
@Override // android.widget.Adapter
public Object getItem(int i) {
Cursor cursor;
if (!this.mDataValid || (cursor = this.mCursor) == null) {
return null;
}
cursor.moveToPosition(i);
return this.mCursor;
}
@Override // android.widget.Adapter
public long getItemId(int i) {
Cursor cursor;
if (this.mDataValid && (cursor = this.mCursor) != null && cursor.moveToPosition(i)) {
return this.mCursor.getLong(this.mRowIDColumn);
}
return 0L;
}
@Override // android.widget.Adapter
public View getView(int i, View view, ViewGroup viewGroup) {
if (!this.mDataValid) {
throw new IllegalStateException("this should only be called when the cursor is valid");
}
if (!this.mCursor.moveToPosition(i)) {
throw new IllegalStateException("couldn't move cursor to position " + i);
}
if (view == null) {
view = newView(this.mContext, this.mCursor, viewGroup);
}
bindView(view, this.mContext, this.mCursor);
return view;
}
@Override // android.widget.BaseAdapter, android.widget.SpinnerAdapter
public View getDropDownView(int i, View view, ViewGroup viewGroup) {
if (!this.mDataValid) {
return null;
}
this.mCursor.moveToPosition(i);
if (view == null) {
view = newDropDownView(this.mContext, this.mCursor, viewGroup);
}
bindView(view, this.mContext, this.mCursor);
return view;
}
public View newDropDownView(Context context, Cursor cursor, ViewGroup viewGroup) {
return newView(context, cursor, viewGroup);
}
public void changeCursor(Cursor cursor) {
Cursor swapCursor = swapCursor(cursor);
if (swapCursor != null) {
swapCursor.close();
}
}
public Cursor swapCursor(Cursor cursor) {
Cursor cursor2 = this.mCursor;
if (cursor == cursor2) {
return null;
}
if (cursor2 != null) {
ChangeObserver changeObserver = this.mChangeObserver;
if (changeObserver != null) {
cursor2.unregisterContentObserver(changeObserver);
}
DataSetObserver dataSetObserver = this.mDataSetObserver;
if (dataSetObserver != null) {
cursor2.unregisterDataSetObserver(dataSetObserver);
}
}
this.mCursor = cursor;
if (cursor != null) {
ChangeObserver changeObserver2 = this.mChangeObserver;
if (changeObserver2 != null) {
cursor.registerContentObserver(changeObserver2);
}
DataSetObserver dataSetObserver2 = this.mDataSetObserver;
if (dataSetObserver2 != null) {
cursor.registerDataSetObserver(dataSetObserver2);
}
this.mRowIDColumn = cursor.getColumnIndexOrThrow("_id");
this.mDataValid = true;
notifyDataSetChanged();
} else {
this.mRowIDColumn = -1;
this.mDataValid = false;
notifyDataSetInvalidated();
}
return cursor2;
}
public CharSequence convertToString(Cursor cursor) {
return cursor == null ? "" : cursor.toString();
}
public Cursor runQueryOnBackgroundThread(CharSequence charSequence) {
FilterQueryProvider filterQueryProvider = this.mFilterQueryProvider;
return filterQueryProvider != null ? filterQueryProvider.runQuery(charSequence) : this.mCursor;
}
@Override // android.widget.Filterable
public Filter getFilter() {
if (this.mCursorFilter == null) {
this.mCursorFilter = new CursorFilter(this);
}
return this.mCursorFilter;
}
protected void onContentChanged() {
Cursor cursor;
if (!this.mAutoRequery || (cursor = this.mCursor) == null || cursor.isClosed()) {
return;
}
this.mDataValid = this.mCursor.requery();
}
/* JADX INFO: Access modifiers changed from: private */
/* loaded from: classes.dex */
public class ChangeObserver extends ContentObserver {
@Override // android.database.ContentObserver
public boolean deliverSelfNotifications() {
return true;
}
ChangeObserver() {
super(new Handler());
}
@Override // android.database.ContentObserver
public void onChange(boolean z) {
CursorAdapter.this.onContentChanged();
}
}
/* JADX INFO: Access modifiers changed from: private */
/* loaded from: classes.dex */
public class MyDataSetObserver extends DataSetObserver {
MyDataSetObserver() {
}
@Override // android.database.DataSetObserver
public void onChanged() {
CursorAdapter.this.mDataValid = true;
CursorAdapter.this.notifyDataSetChanged();
}
@Override // android.database.DataSetObserver
public void onInvalidated() {
CursorAdapter.this.mDataValid = false;
CursorAdapter.this.notifyDataSetInvalidated();
}
}
}