public boolean performItemAction(MenuItem item, int flags) {
MenuItemImpl itemImpl = (MenuItemImpl) item;
if (itemImpl == null || !itemImpl.isEnabled()) {
return false;
}
boolean invoked = itemImpl.invoke();
// if (itemImpl.hasCollapsibleActionView()) {
// invoked |= itemImpl.expandActionView();
// if (invoked) close(true);
// } else
if (item.hasSubMenu()) {
close(false);
final SubMenuBuilder subMenu = (SubMenuBuilder) item.getSubMenu();
final ActionProvider provider = item.getActionProvider();
if (provider != null && provider.hasSubMenu()) {
provider.onPrepareSubMenu(subMenu);
}
invoked |= dispatchSubMenuSelected(subMenu);
if (!invoked) close(true);
} else {
if ((flags & FLAG_PERFORM_NO_CLOSE) == 0) {
close(true);
}
}
return invoked;
}
/**
* Invokes the item by calling various listeners or callbacks.
*
* @return true if the invocation was handled, false otherwise
*/
public boolean invoke() {
if (mClickListener != null && mClickListener.onMenuItemClick(this)) {
return true;
}
if (mMenu.dispatchMenuItemSelected(mMenu.getRootMenu(), this)) {
return true;
}
if (mItemCallback != null) {
mItemCallback.run();
return true;
}
if (mIntent != null) {
try {
mMenu.getContext().startActivity(mIntent);
return true;
} catch (ActivityNotFoundException e) {
Log.e(TAG, "Can't find activity to handle intent; ignoring", e);
}
}
if (mActionProvider != null && mActionProvider.onPerformDefaultAction()) {
return true;
}
return false;
}
public boolean hasCollapsibleActionView() {
if ((mShowAsAction & SHOW_AS_ACTION_COLLAPSE_ACTION_VIEW) != 0) {
if (mActionView == null && mActionProvider != null) {
mActionView = mActionProvider.onCreateActionView(this);
}
return mActionView != null;
}
return false;
}
public MenuItem setActionProvider(ActionProvider actionProvider) {
if (mActionProvider != null) {
mActionProvider.setVisibilityListener(null);
}
mActionView = null;
mActionProvider = actionProvider;
mMenu.onItemsChanged(true); // Measurement can be changed
if (mActionProvider != null) {
mActionProvider.setVisibilityListener(
new ActionProvider.VisibilityListener() {
@Override
public void onActionProviderVisibilityChanged(boolean isVisible) {
mMenu.onItemVisibleChanged(MenuItemImpl.this);
}
});
}
return this;
}
public View getActionView() {
if (mActionView != null) {
return mActionView;
} else if (mActionProvider != null) {
mActionView = mActionProvider.onCreateActionView();
return mActionView;
} else {
return null;
}
}
public boolean isVisible() {
if (mActionProvider != null && mActionProvider.overridesItemVisibility()) {
return (mFlags & HIDDEN) == 0 && mActionProvider.isVisible();
}
return (mFlags & HIDDEN) == 0;
}