ADD week 5
This commit is contained in:
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package androidx.cursoradapter.widget;
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import android.content.Context;
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import android.database.ContentObserver;
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import android.database.Cursor;
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import android.database.DataSetObserver;
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import android.os.Handler;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.BaseAdapter;
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import android.widget.Filter;
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import android.widget.FilterQueryProvider;
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import android.widget.Filterable;
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import androidx.cursoradapter.widget.CursorFilter;
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/* loaded from: classes.dex */
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public abstract class CursorAdapter extends BaseAdapter implements Filterable, CursorFilter.CursorFilterClient {
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@Deprecated
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public static final int FLAG_AUTO_REQUERY = 1;
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public static final int FLAG_REGISTER_CONTENT_OBSERVER = 2;
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protected boolean mAutoRequery;
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protected ChangeObserver mChangeObserver;
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protected Context mContext;
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protected Cursor mCursor;
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protected CursorFilter mCursorFilter;
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protected DataSetObserver mDataSetObserver;
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protected boolean mDataValid;
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protected FilterQueryProvider mFilterQueryProvider;
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protected int mRowIDColumn;
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public abstract void bindView(View view, Context context, Cursor cursor);
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@Override // androidx.cursoradapter.widget.CursorFilter.CursorFilterClient
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public Cursor getCursor() {
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return this.mCursor;
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}
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public FilterQueryProvider getFilterQueryProvider() {
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return this.mFilterQueryProvider;
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}
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@Override // android.widget.BaseAdapter, android.widget.Adapter
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public boolean hasStableIds() {
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return true;
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}
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public abstract View newView(Context context, Cursor cursor, ViewGroup viewGroup);
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public void setFilterQueryProvider(FilterQueryProvider filterQueryProvider) {
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this.mFilterQueryProvider = filterQueryProvider;
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}
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@Deprecated
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public CursorAdapter(Context context, Cursor cursor) {
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init(context, cursor, 1);
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}
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public CursorAdapter(Context context, Cursor cursor, boolean z) {
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init(context, cursor, z ? 1 : 2);
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}
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public CursorAdapter(Context context, Cursor cursor, int i) {
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init(context, cursor, i);
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}
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@Deprecated
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protected void init(Context context, Cursor cursor, boolean z) {
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init(context, cursor, z ? 1 : 2);
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}
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void init(Context context, Cursor cursor, int i) {
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if ((i & 1) == 1) {
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i |= 2;
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this.mAutoRequery = true;
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} else {
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this.mAutoRequery = false;
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}
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boolean z = cursor != null;
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this.mCursor = cursor;
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this.mDataValid = z;
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this.mContext = context;
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this.mRowIDColumn = z ? cursor.getColumnIndexOrThrow("_id") : -1;
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if ((i & 2) == 2) {
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this.mChangeObserver = new ChangeObserver();
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this.mDataSetObserver = new MyDataSetObserver();
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} else {
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this.mChangeObserver = null;
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this.mDataSetObserver = null;
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}
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if (z) {
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ChangeObserver changeObserver = this.mChangeObserver;
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if (changeObserver != null) {
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cursor.registerContentObserver(changeObserver);
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}
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DataSetObserver dataSetObserver = this.mDataSetObserver;
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if (dataSetObserver != null) {
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cursor.registerDataSetObserver(dataSetObserver);
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}
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}
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}
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@Override // android.widget.Adapter
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public int getCount() {
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Cursor cursor;
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if (!this.mDataValid || (cursor = this.mCursor) == null) {
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return 0;
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}
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return cursor.getCount();
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}
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@Override // android.widget.Adapter
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public Object getItem(int i) {
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Cursor cursor;
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if (!this.mDataValid || (cursor = this.mCursor) == null) {
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return null;
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}
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cursor.moveToPosition(i);
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return this.mCursor;
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}
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@Override // android.widget.Adapter
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public long getItemId(int i) {
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Cursor cursor;
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if (this.mDataValid && (cursor = this.mCursor) != null && cursor.moveToPosition(i)) {
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return this.mCursor.getLong(this.mRowIDColumn);
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}
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return 0L;
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}
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@Override // android.widget.Adapter
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public View getView(int i, View view, ViewGroup viewGroup) {
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if (!this.mDataValid) {
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throw new IllegalStateException("this should only be called when the cursor is valid");
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}
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if (!this.mCursor.moveToPosition(i)) {
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throw new IllegalStateException("couldn't move cursor to position " + i);
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}
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if (view == null) {
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view = newView(this.mContext, this.mCursor, viewGroup);
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}
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bindView(view, this.mContext, this.mCursor);
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return view;
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}
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@Override // android.widget.BaseAdapter, android.widget.SpinnerAdapter
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public View getDropDownView(int i, View view, ViewGroup viewGroup) {
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if (!this.mDataValid) {
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return null;
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}
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this.mCursor.moveToPosition(i);
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if (view == null) {
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view = newDropDownView(this.mContext, this.mCursor, viewGroup);
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}
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bindView(view, this.mContext, this.mCursor);
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return view;
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}
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public View newDropDownView(Context context, Cursor cursor, ViewGroup viewGroup) {
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return newView(context, cursor, viewGroup);
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}
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public void changeCursor(Cursor cursor) {
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Cursor swapCursor = swapCursor(cursor);
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if (swapCursor != null) {
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swapCursor.close();
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}
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}
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public Cursor swapCursor(Cursor cursor) {
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Cursor cursor2 = this.mCursor;
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if (cursor == cursor2) {
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return null;
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}
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if (cursor2 != null) {
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ChangeObserver changeObserver = this.mChangeObserver;
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if (changeObserver != null) {
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cursor2.unregisterContentObserver(changeObserver);
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}
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DataSetObserver dataSetObserver = this.mDataSetObserver;
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if (dataSetObserver != null) {
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cursor2.unregisterDataSetObserver(dataSetObserver);
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}
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}
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this.mCursor = cursor;
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if (cursor != null) {
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ChangeObserver changeObserver2 = this.mChangeObserver;
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if (changeObserver2 != null) {
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cursor.registerContentObserver(changeObserver2);
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}
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DataSetObserver dataSetObserver2 = this.mDataSetObserver;
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if (dataSetObserver2 != null) {
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cursor.registerDataSetObserver(dataSetObserver2);
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}
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this.mRowIDColumn = cursor.getColumnIndexOrThrow("_id");
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this.mDataValid = true;
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notifyDataSetChanged();
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} else {
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this.mRowIDColumn = -1;
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this.mDataValid = false;
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notifyDataSetInvalidated();
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}
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return cursor2;
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}
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public CharSequence convertToString(Cursor cursor) {
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return cursor == null ? "" : cursor.toString();
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}
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public Cursor runQueryOnBackgroundThread(CharSequence charSequence) {
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FilterQueryProvider filterQueryProvider = this.mFilterQueryProvider;
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return filterQueryProvider != null ? filterQueryProvider.runQuery(charSequence) : this.mCursor;
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}
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@Override // android.widget.Filterable
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public Filter getFilter() {
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if (this.mCursorFilter == null) {
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this.mCursorFilter = new CursorFilter(this);
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}
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return this.mCursorFilter;
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}
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protected void onContentChanged() {
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Cursor cursor;
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if (!this.mAutoRequery || (cursor = this.mCursor) == null || cursor.isClosed()) {
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return;
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}
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this.mDataValid = this.mCursor.requery();
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}
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private class ChangeObserver extends ContentObserver {
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@Override // android.database.ContentObserver
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public boolean deliverSelfNotifications() {
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return true;
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}
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ChangeObserver() {
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super(new Handler());
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}
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@Override // android.database.ContentObserver
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public void onChange(boolean z) {
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CursorAdapter.this.onContentChanged();
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}
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}
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private class MyDataSetObserver extends DataSetObserver {
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MyDataSetObserver() {
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}
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@Override // android.database.DataSetObserver
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public void onChanged() {
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CursorAdapter.this.mDataValid = true;
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CursorAdapter.this.notifyDataSetChanged();
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}
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@Override // android.database.DataSetObserver
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public void onInvalidated() {
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CursorAdapter.this.mDataValid = false;
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CursorAdapter.this.notifyDataSetInvalidated();
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}
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}
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}
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@ -0,0 +1,51 @@
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package androidx.cursoradapter.widget;
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import android.database.Cursor;
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import android.widget.Filter;
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/* loaded from: classes.dex */
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class CursorFilter extends Filter {
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CursorFilterClient mClient;
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interface CursorFilterClient {
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void changeCursor(Cursor cursor);
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CharSequence convertToString(Cursor cursor);
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Cursor getCursor();
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Cursor runQueryOnBackgroundThread(CharSequence charSequence);
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}
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CursorFilter(CursorFilterClient cursorFilterClient) {
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this.mClient = cursorFilterClient;
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}
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@Override // android.widget.Filter
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public CharSequence convertResultToString(Object obj) {
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return this.mClient.convertToString((Cursor) obj);
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}
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@Override // android.widget.Filter
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protected Filter.FilterResults performFiltering(CharSequence charSequence) {
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Cursor runQueryOnBackgroundThread = this.mClient.runQueryOnBackgroundThread(charSequence);
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Filter.FilterResults filterResults = new Filter.FilterResults();
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if (runQueryOnBackgroundThread != null) {
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filterResults.count = runQueryOnBackgroundThread.getCount();
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filterResults.values = runQueryOnBackgroundThread;
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} else {
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filterResults.count = 0;
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filterResults.values = null;
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}
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return filterResults;
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}
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@Override // android.widget.Filter
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protected void publishResults(CharSequence charSequence, Filter.FilterResults filterResults) {
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Cursor cursor = this.mClient.getCursor();
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if (filterResults.values == null || filterResults.values == cursor) {
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return;
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}
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this.mClient.changeCursor((Cursor) filterResults.values);
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}
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}
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@ -0,0 +1,55 @@
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package androidx.cursoradapter.widget;
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import android.content.Context;
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import android.database.Cursor;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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/* loaded from: classes.dex */
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public abstract class ResourceCursorAdapter extends CursorAdapter {
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private int mDropDownLayout;
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private LayoutInflater mInflater;
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private int mLayout;
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public void setDropDownViewResource(int i) {
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this.mDropDownLayout = i;
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}
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public void setViewResource(int i) {
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this.mLayout = i;
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}
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@Deprecated
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public ResourceCursorAdapter(Context context, int i, Cursor cursor) {
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super(context, cursor);
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this.mDropDownLayout = i;
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this.mLayout = i;
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this.mInflater = (LayoutInflater) context.getSystemService("layout_inflater");
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}
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@Deprecated
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public ResourceCursorAdapter(Context context, int i, Cursor cursor, boolean z) {
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super(context, cursor, z);
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this.mDropDownLayout = i;
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this.mLayout = i;
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this.mInflater = (LayoutInflater) context.getSystemService("layout_inflater");
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}
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public ResourceCursorAdapter(Context context, int i, Cursor cursor, int i2) {
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super(context, cursor, i2);
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this.mDropDownLayout = i;
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this.mLayout = i;
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this.mInflater = (LayoutInflater) context.getSystemService("layout_inflater");
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}
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@Override // androidx.cursoradapter.widget.CursorAdapter
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public View newView(Context context, Cursor cursor, ViewGroup viewGroup) {
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return this.mInflater.inflate(this.mLayout, viewGroup, false);
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}
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@Override // androidx.cursoradapter.widget.CursorAdapter
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public View newDropDownView(Context context, Cursor cursor, ViewGroup viewGroup) {
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return this.mInflater.inflate(this.mDropDownLayout, viewGroup, false);
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}
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}
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@ -0,0 +1,144 @@
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package androidx.cursoradapter.widget;
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import android.content.Context;
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import android.database.Cursor;
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import android.net.Uri;
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import android.view.View;
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import android.widget.ImageView;
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import android.widget.TextView;
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/* loaded from: classes.dex */
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public class SimpleCursorAdapter extends ResourceCursorAdapter {
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private CursorToStringConverter mCursorToStringConverter;
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protected int[] mFrom;
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String[] mOriginalFrom;
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private int mStringConversionColumn;
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protected int[] mTo;
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private ViewBinder mViewBinder;
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public interface CursorToStringConverter {
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CharSequence convertToString(Cursor cursor);
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}
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public interface ViewBinder {
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boolean setViewValue(View view, Cursor cursor, int i);
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}
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public CursorToStringConverter getCursorToStringConverter() {
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return this.mCursorToStringConverter;
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}
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public int getStringConversionColumn() {
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return this.mStringConversionColumn;
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}
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public ViewBinder getViewBinder() {
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return this.mViewBinder;
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}
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public void setCursorToStringConverter(CursorToStringConverter cursorToStringConverter) {
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this.mCursorToStringConverter = cursorToStringConverter;
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}
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public void setStringConversionColumn(int i) {
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this.mStringConversionColumn = i;
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}
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public void setViewBinder(ViewBinder viewBinder) {
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this.mViewBinder = viewBinder;
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}
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@Deprecated
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public SimpleCursorAdapter(Context context, int i, Cursor cursor, String[] strArr, int[] iArr) {
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super(context, i, cursor);
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this.mStringConversionColumn = -1;
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this.mTo = iArr;
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this.mOriginalFrom = strArr;
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findColumns(cursor, strArr);
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}
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public SimpleCursorAdapter(Context context, int i, Cursor cursor, String[] strArr, int[] iArr, int i2) {
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super(context, i, cursor, i2);
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this.mStringConversionColumn = -1;
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this.mTo = iArr;
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this.mOriginalFrom = strArr;
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findColumns(cursor, strArr);
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}
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@Override // androidx.cursoradapter.widget.CursorAdapter
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public void bindView(View view, Context context, Cursor cursor) {
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ViewBinder viewBinder = this.mViewBinder;
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int[] iArr = this.mTo;
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int length = iArr.length;
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int[] iArr2 = this.mFrom;
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for (int i = 0; i < length; i++) {
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View findViewById = view.findViewById(iArr[i]);
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if (findViewById != null && (viewBinder == null || !viewBinder.setViewValue(findViewById, cursor, iArr2[i]))) {
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String string = cursor.getString(iArr2[i]);
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if (string == null) {
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string = "";
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}
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if (findViewById instanceof TextView) {
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setViewText((TextView) findViewById, string);
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} else if (findViewById instanceof ImageView) {
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setViewImage((ImageView) findViewById, string);
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} else {
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throw new IllegalStateException(findViewById.getClass().getName() + " is not a view that can be bounds by this SimpleCursorAdapter");
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}
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}
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}
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}
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public void setViewImage(ImageView imageView, String str) {
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try {
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imageView.setImageResource(Integer.parseInt(str));
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} catch (NumberFormatException unused) {
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imageView.setImageURI(Uri.parse(str));
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}
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}
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public void setViewText(TextView textView, String str) {
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textView.setText(str);
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}
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@Override // androidx.cursoradapter.widget.CursorAdapter, androidx.cursoradapter.widget.CursorFilter.CursorFilterClient
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public CharSequence convertToString(Cursor cursor) {
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CursorToStringConverter cursorToStringConverter = this.mCursorToStringConverter;
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if (cursorToStringConverter != null) {
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return cursorToStringConverter.convertToString(cursor);
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}
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int i = this.mStringConversionColumn;
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if (i > -1) {
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return cursor.getString(i);
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}
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return super.convertToString(cursor);
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}
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private void findColumns(Cursor cursor, String[] strArr) {
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if (cursor == null) {
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this.mFrom = null;
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return;
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}
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int length = strArr.length;
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int[] iArr = this.mFrom;
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if (iArr == null || iArr.length != length) {
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this.mFrom = new int[length];
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}
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for (int i = 0; i < length; i++) {
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this.mFrom[i] = cursor.getColumnIndexOrThrow(strArr[i]);
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}
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}
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@Override // androidx.cursoradapter.widget.CursorAdapter
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public Cursor swapCursor(Cursor cursor) {
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findColumns(cursor, this.mOriginalFrom);
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return super.swapCursor(cursor);
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}
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public void changeCursorAndColumns(Cursor cursor, String[] strArr, int[] iArr) {
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this.mOriginalFrom = strArr;
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this.mTo = iArr;
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findColumns(cursor, strArr);
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super.changeCursor(cursor);
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}
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}
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Reference in New Issue
Block a user