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package moe.yuuta.flow;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
class NavigationBar {
public enum ButtonPosition {
LEFT,
RIGHT
}
private ViewGroup mRoot;
private Button mLeftButton;
private Button mRightButton;
NavigationBar() {}
NavigationBar(@NonNull ViewGroup navBarRoot) {
attach(navBarRoot);
}
/**
* The config will be reset after re-attaching.
*/
void attach(@NonNull ViewGroup navBarRoot) {
mRoot = navBarRoot;
mLeftButton = mRoot.findViewById(R.id.flow_nav_left_button);
mRightButton = mRoot.findViewById(R.id.flow_nav_right_button);
}
@NonNull
Button getButton(@NonNull ButtonPosition position) {
switch (position) {
case LEFT:
return mLeftButton;
case RIGHT:
return mRightButton;
default:
throw new IllegalArgumentException("Unexpected position");
}
}
private void setListener(@NonNull ButtonPosition position, @Nullable View.OnClickListener listener) {
switch (position) {
case LEFT:
mLeftButton.setOnClickListener(listener);
break;
case RIGHT:
mRightButton.setOnClickListener(listener);
break;
}
}
void applyInfo(@NonNull NavigationBarConfig config) {
mLeftButton.setText(config.getLeftButtonText());
mRightButton.setText(config.getRightButtonText());
setNavigationBarVisibility(config.getNavBarVisibility());
setButtonVisibility(ButtonPosition.LEFT, config.getLeftButtonVisibility());
setButtonVisibility(ButtonPosition.RIGHT, config.getRightButtonVisibility());
setListener(ButtonPosition.LEFT, config.getLeftListener());
setListener(ButtonPosition.RIGHT, config.getRightListener());
}
private void setNavigationBarVisibility(@View.Visibility int visibility) {
mRoot.setVisibility(visibility);
}
private void setButtonVisibility(@NonNull ButtonPosition position, @View.Visibility int visibility) {
switch (position) {
case LEFT:
mLeftButton.setVisibility(visibility);
break;
case RIGHT:
mRightButton.setVisibility(visibility);
break;
}
}
}
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