Source code
package android.support.v7.internal.view.menu;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.support.v4.content.ContextCompat;
import android.support.v7.internal.view.menu.MenuBuilder.Callback;
import android.view.Menu;
import android.view.MenuItem;
import android.view.SubMenu;
import android.view.View;
public class SubMenuBuilder extends MenuBuilder implements SubMenu {
private MenuItemImpl mItem;
private MenuBuilder mParentMenu;
public SubMenuBuilder(Context context, MenuBuilder parentMenu, MenuItemImpl item) {
super(context);
this.mParentMenu = parentMenu;
this.mItem = item;
}
public void setQwertyMode(boolean isQwerty) {
this.mParentMenu.setQwertyMode(isQwerty);
}
public boolean isQwertyMode() {
return this.mParentMenu.isQwertyMode();
}
public void setShortcutsVisible(boolean shortcutsVisible) {
this.mParentMenu.setShortcutsVisible(shortcutsVisible);
}
public boolean isShortcutsVisible() {
return this.mParentMenu.isShortcutsVisible();
}
public Menu getParentMenu() {
return this.mParentMenu;
}
public MenuItem getItem() {
return this.mItem;
}
public void setCallback(Callback callback) {
this.mParentMenu.setCallback(callback);
}
public MenuBuilder getRootMenu() {
return this.mParentMenu;
}
boolean dispatchMenuItemSelected(MenuBuilder menu, MenuItem item) {
return super.dispatchMenuItemSelected(menu, item) || this.mParentMenu.dispatchMenuItemSelected(menu, item);
}
public SubMenu setIcon(Drawable icon) {
this.mItem.setIcon(icon);
return this;
}
public SubMenu setIcon(int iconRes) {
this.mItem.setIcon(iconRes);
return this;
}
public SubMenu setHeaderIcon(Drawable icon) {
super.setHeaderIconInt(icon);
return this;
}
public SubMenu setHeaderIcon(int iconRes) {
super.setHeaderIconInt(ContextCompat.getDrawable(getContext(), iconRes));
return this;
}
public SubMenu setHeaderTitle(CharSequence title) {
super.setHeaderTitleInt(title);
return this;
}
public SubMenu setHeaderTitle(int titleRes) {
super.setHeaderTitleInt(getContext().getResources().getString(titleRes));
return this;
}
public SubMenu setHeaderView(View view) {
super.setHeaderViewInt(view);
return this;
}
public boolean expandItemActionView(MenuItemImpl item) {
return this.mParentMenu.expandItemActionView(item);
}
public boolean collapseItemActionView(MenuItemImpl item) {
return this.mParentMenu.collapseItemActionView(item);
}
public String getActionViewStatesKey() {
int itemId = this.mItem != null ? this.mItem.getItemId() : 0;
if (itemId == 0) {
return null;
}
return super.getActionViewStatesKey() + ":" + itemId;
}
}