Copy of CorpusView.java for tracking git history of conversion

Test: manual - opening both .java and .kt files shows that they are identical
Change-Id: I7e9f7676888f12c8eb1e9fa6b9fc3954f7fd782a
diff --git a/src/com/android/quicksearchbox/ui/CorpusView.kt b/src/com/android/quicksearchbox/ui/CorpusView.kt
new file mode 100644
index 0000000..881b422
--- /dev/null
+++ b/src/com/android/quicksearchbox/ui/CorpusView.kt
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.quicksearchbox.ui;
+
+import com.android.quicksearchbox.R;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.view.ViewDebug;
+import android.widget.Checkable;
+import android.widget.ImageView;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+
+
+/**
+ * A corpus in the corpus selection list.
+ */
+public class CorpusView extends RelativeLayout implements Checkable {
+
+    private ImageView mIcon;
+    private TextView mLabel;
+    private boolean mChecked;
+
+    private static final int[] CHECKED_STATE_SET = {
+        android.R.attr.state_checked
+    };
+
+    public CorpusView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public CorpusView(Context context) {
+        super(context);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        mIcon = (ImageView) findViewById(R.id.source_icon);
+        mLabel = (TextView) findViewById(R.id.source_label);
+    }
+
+    public void setLabel(CharSequence label) {
+        mLabel.setText(label);
+    }
+
+    public void setIcon(Drawable icon) {
+        mIcon.setImageDrawable(icon);
+    }
+
+    @Override
+    @ViewDebug.ExportedProperty
+    public boolean isChecked() {
+        return mChecked;
+    }
+
+    @Override
+    public void setChecked(boolean checked) {
+        if (mChecked != checked) {
+            mChecked = checked;
+            refreshDrawableState();
+        }
+    }
+
+    @Override
+    public void toggle() {
+        setChecked(!mChecked);
+    }
+
+    @Override
+    protected int[] onCreateDrawableState(int extraSpace) {
+        final int[] drawableState = super.onCreateDrawableState(extraSpace + 1);
+        if (isChecked()) {
+            mergeDrawableStates(drawableState, CHECKED_STATE_SET);
+        }
+        return drawableState;
+    }
+
+}