public boolean performItemAction(MenuItem item, int flags) { MenuItemImpl itemImpl = (MenuItemImpl) item; if (itemImpl == null || !itemImpl.isEnabled()) { return false; } boolean invoked = itemImpl.invoke(); final ActionProvider provider = item.getActionProvider(); final boolean providerHasSubMenu = provider != null && provider.hasSubMenu(); if (itemImpl.hasCollapsibleActionView()) { invoked |= itemImpl.expandActionView(); if (invoked) close(true); } else if (itemImpl.hasSubMenu() || providerHasSubMenu) { close(false); if (!itemImpl.hasSubMenu()) { itemImpl.setSubMenu(new SubMenuBuilder(getContext(), this, itemImpl)); } final SubMenuBuilder subMenu = (SubMenuBuilder) itemImpl.getSubMenu(); if (providerHasSubMenu) { provider.onPrepareSubMenu(subMenu); } invoked |= dispatchSubMenuSelected(subMenu); if (!invoked) close(true); } else { if ((flags & FLAG_PERFORM_NO_CLOSE) == 0) { close(true); } } return invoked; }
/* * This function will return all the menu and sub-menu items that can * be directly (the shortcut directly corresponds) and indirectly * (the ALT-enabled char corresponds to the shortcut) associated * with the keyCode. */ void findItemsWithShortcutForKey(List<MenuItemImpl> items, int keyCode, KeyEvent event) { final boolean qwerty = isQwertyMode(); final int metaState = event.getMetaState(); final KeyCharacterMap.KeyData possibleChars = new KeyCharacterMap.KeyData(); // Get the chars associated with the keyCode (i.e using any chording combo) final boolean isKeyCodeMapped = event.getKeyData(possibleChars); // The delete key is not mapped to '\b' so we treat it specially if (!isKeyCodeMapped && (keyCode != KeyEvent.KEYCODE_DEL)) { return; } // Look for an item whose shortcut is this key. final int N = mItems.size(); for (int i = 0; i < N; i++) { MenuItemImpl item = mItems.get(i); if (item.hasSubMenu()) { ((MenuBuilder) item.getSubMenu()).findItemsWithShortcutForKey(items, keyCode, event); } final char shortcutChar = qwerty ? item.getAlphabeticShortcut() : item.getNumericShortcut(); if (((metaState & (KeyEvent.META_SHIFT_ON | KeyEvent.META_SYM_ON)) == 0) && (shortcutChar != 0) && (shortcutChar == possibleChars.meta[0] || shortcutChar == possibleChars.meta[2] || (qwerty && shortcutChar == '\b' && keyCode == KeyEvent.KEYCODE_DEL)) && item.isEnabled()) { items.add(item); } } }
public MenuItem findItem(int id) { final int size = size(); for (int i = 0; i < size; i++) { MenuItemImpl item = mItems.get(i); if (item.getItemId() == id) { return item; } else if (item.hasSubMenu()) { MenuItem possibleItem = item.getSubMenu().findItem(id); if (possibleItem != null) { return possibleItem; } } } return null; }