Implement multiple locales and sublocales in Settings

Does drag-and-drop reordering, supports adding / removing locales,
suggestions, search, removes locales already selected in the
user preferences.

Bug: 25800339
Change-Id: Iffe7b9810c77ec93a84d848ab20b2ba405249676

src/com/android/settings/localepicker/LocaleDragCell.java

@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2016 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.settings.localepicker;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.CheckBox;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.android.settings.R;
+
+class LocaleDragCell extends LinearLayout {
+    private TextView mLabel;
+    private TextView mMiniLabel;
+    private ImageView mLocalized;
+    private CheckBox mCheckbox;
+    private ImageView mDragHandle;
+
+    public LocaleDragCell(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        mLabel = (TextView) findViewById(R.id.label);
+        mLocalized = (ImageView) findViewById(R.id.l10nWarn);
+        mMiniLabel = (TextView) findViewById(R.id.miniLabel);
+        mCheckbox = (CheckBox) findViewById(R.id.checkbox);
+        mDragHandle = (ImageView) findViewById(R.id.dragHandle);
+    }
+
+    public void setShowHandle(boolean showHandle) {
+        mDragHandle.setVisibility(showHandle ? VISIBLE : GONE);
+        invalidate();
+        requestLayout();
+    }
+
+    public void setShowCheckbox(boolean showCheckbox) {
+        mCheckbox.setVisibility(showCheckbox ? VISIBLE : GONE);
+        invalidate();
+        requestLayout();
+    }
+
+    public void setChecked(boolean checked) {
+        mCheckbox.setChecked(checked);
+    }
+
+    public void setShowMiniLabel(boolean showMiniLabel) {
+        mMiniLabel.setVisibility(showMiniLabel ? VISIBLE : GONE);
+        invalidate();
+        requestLayout();
+    }
+
+    public void setMiniLabel(String miniLabelText) {
+        mMiniLabel.setText(miniLabelText);
+        invalidate();
+    }
+
+    public void setLabel(String labelText) {
+        mLabel.setText(labelText);
+        invalidate();
+    }
+
+    public void setLocalized(boolean localized) {
+        mLocalized.setVisibility(localized ? INVISIBLE : VISIBLE);
+        invalidate();
+    }
+
+    public ImageView getDragHandle() {
+        return mDragHandle;
+    }
+
+    public ImageView getTranslateableLabel() {
+        return mLocalized;
+    }
+
+    public TextView getTextLabel() {
+        return mLabel;
+    }
+
+    public CheckBox getCheckbox() {
+        return mCheckbox;
+    }
+}