@Override
public void dispatchInvalidateOptionsMenu() {
if (DEBUG) Log.d(TAG, "[dispatchInvalidateOptionsMenu]");
if (mMenu == null) {
Context context = mActivity;
if (mActionBar != null) {
TypedValue outValue = new TypedValue();
mActivity.getTheme().resolveAttribute(R.attr.actionBarWidgetTheme, outValue, true);
if (outValue.resourceId != 0) {
// We are unable to test if this is the same as our current theme
// so we just wrap it and hope that if the attribute was specified
// then the user is intentionally specifying an alternate theme.
context = new ContextThemeWrapper(context, outValue.resourceId);
}
}
mMenu = new MenuBuilder(context);
mMenu.setCallback(mMenuBuilderCallback);
}
mMenu.stopDispatchingItemsChanged();
mMenu.clear();
if (!callbackCreateOptionsMenu(mMenu)) {
mMenu = null;
if (mActionBar != null) {
if (DEBUG) Log.d(TAG, "[dispatchInvalidateOptionsMenu] setting action bar menu to null");
mActionBar.setMenu(null, mMenuPresenterCallback);
}
return;
}
if (!callbackPrepareOptionsMenu(mMenu)) {
if (mActionBar != null) {
if (DEBUG) Log.d(TAG, "[dispatchInvalidateOptionsMenu] setting action bar menu to null");
mActionBar.setMenu(null, mMenuPresenterCallback);
}
mMenu.startDispatchingItemsChanged();
return;
}
// TODO figure out KeyEvent? See PhoneWindow#preparePanel
KeyCharacterMap kmap = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD);
mMenu.setQwertyMode(kmap.getKeyboardType() != KeyCharacterMap.NUMERIC);
mMenu.startDispatchingItemsChanged();
if (DEBUG) Log.d(TAG, "[dispatchInvalidateOptionsMenu] setting action bar menu to " + mMenu);
mActionBar.setMenu(mMenu, mMenuPresenterCallback);
}
private void dispatchPresenterUpdate(boolean cleared) {
if (mPresenters.isEmpty()) return;
stopDispatchingItemsChanged();
for (WeakReference<MenuPresenter> ref : mPresenters) {
final MenuPresenter presenter = ref.get();
if (presenter == null) {
mPresenters.remove(ref);
} else {
presenter.updateMenuView(cleared);
}
}
startDispatchingItemsChanged();
}
public boolean collapseItemActionView(MenuItemImpl item) {
if (mPresenters.isEmpty() || mExpandedItem != item) return false;
boolean collapsed = false;
stopDispatchingItemsChanged();
for (WeakReference<MenuPresenter> ref : mPresenters) {
final MenuPresenter presenter = ref.get();
if (presenter == null) {
mPresenters.remove(ref);
} else if ((collapsed = presenter.collapseItemActionView(this, item))) {
break;
}
}
startDispatchingItemsChanged();
if (collapsed) {
mExpandedItem = null;
}
return collapsed;
}
private boolean preparePanel() {
// Already prepared (isPrepared will be reset to false later)
if (mMenuIsPrepared) {
return true;
}
// Init the panel state's menu--return false if init failed
if (mMenu == null || mMenuRefreshContent) {
if (mMenu == null) {
if (!initializePanelMenu() || (mMenu == null)) {
return false;
}
}
if (wActionBar != null) {
wActionBar.setMenu(mMenu, this);
}
// Call callback, and return if it doesn't want to display menu.
// Creating the panel menu will involve a lot of manipulation;
// don't dispatch change events to presenters until we're done.
mMenu.stopDispatchingItemsChanged();
if (!callbackCreateOptionsMenu(mMenu)) {
// Ditch the menu created above
mMenu = null;
if (wActionBar != null) {
// Don't show it in the action bar either
wActionBar.setMenu(null, this);
}
return false;
}
mMenuRefreshContent = false;
}
// Callback and return if the callback does not want to show the menu
// Preparing the panel menu can involve a lot of manipulation;
// don't dispatch change events to presenters until we're done.
mMenu.stopDispatchingItemsChanged();
// Restore action view state before we prepare. This gives apps
// an opportunity to override frozen/restored state in onPrepare.
if (mMenuFrozenActionViewState != null) {
mMenu.restoreActionViewStates(mMenuFrozenActionViewState);
mMenuFrozenActionViewState = null;
}
if (!callbackPrepareOptionsMenu(mMenu)) {
if (wActionBar != null) {
// The app didn't want to show the menu for now but it still exists.
// Clear it out of the action bar.
wActionBar.setMenu(null, this);
}
mMenu.startDispatchingItemsChanged();
return false;
}
// Set the proper keymap
KeyCharacterMap kmap = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD);
mMenu.setQwertyMode(kmap.getKeyboardType() != KeyCharacterMap.NUMERIC);
mMenu.startDispatchingItemsChanged();
// Set other state
mMenuIsPrepared = true;
return true;
}