mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
792 lines
25 KiB
Java
792 lines
25 KiB
Java
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko.menu;
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import org.mozilla.gecko.R;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.ActionProvider;
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import android.view.KeyEvent;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.SubMenu;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.BaseAdapter;
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import android.widget.LinearLayout;
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import android.widget.ListView;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class GeckoMenu extends ListView
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implements Menu,
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AdapterView.OnItemClickListener,
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GeckoMenuItem.OnShowAsActionChangedListener {
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private static final String LOGTAG = "GeckoMenu";
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/*
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* A callback for a menu item selected event.
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*/
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public static interface Callback {
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// Called when a menu item is selected, with the actual menu item as the argument.
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public boolean onMenuItemSelected(MenuItem item);
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}
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/*
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* An interface for a presenter to show the menu.
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* Either an Activity or a View can be a presenter, that can watch for events
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* and show/hide menu.
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*/
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public static interface MenuPresenter {
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// Open the menu.
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public void openMenu();
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// Show the actual view contaning the menu items. This can either be a parent or sub-menu.
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public void showMenu(View menu);
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// Close the menu.
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public void closeMenu();
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}
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/*
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* An interface for a presenter of action-items.
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* Either an Activity or a View can be a presenter, that can watch for events
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* and add/remove action-items. If not ActionItemBarPresenter, the menu uses a
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* DefaultActionItemBar, that shows the action-items as a header over list-view.
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*/
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public static interface ActionItemBarPresenter {
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// Add an action-item.
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public boolean addActionItem(View actionItem);
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// Remove an action-item.
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public void removeActionItem(View actionItem);
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}
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protected static final int NO_ID = 0;
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// List of all menu items.
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private List<GeckoMenuItem> mItems;
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// Map of "always" action-items in action-bar and their views.
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private Map<GeckoMenuItem, View> mPrimaryActionItems;
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// Map of "ifRoom" action-items in action-bar and their views.
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private Map<GeckoMenuItem, View> mSecondaryActionItems;
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// Reference to a callback for menu events.
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private Callback mCallback;
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// Reference to menu presenter.
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private MenuPresenter mMenuPresenter;
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// Reference to "always" action-items bar in action-bar.
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private ActionItemBarPresenter mPrimaryActionItemBar;
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// Reference to "ifRoom" action-items bar in action-bar.
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private final ActionItemBarPresenter mSecondaryActionItemBar;
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// Adapter to hold the list of menu items.
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private MenuItemsAdapter mAdapter;
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// Show/hide icons in the list.
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private boolean mShowIcons;
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public GeckoMenu(Context context) {
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this(context, null);
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}
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public GeckoMenu(Context context, AttributeSet attrs) {
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this(context, attrs, R.attr.geckoMenuListViewStyle);
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}
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public GeckoMenu(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
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LayoutParams.FILL_PARENT));
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// Attach an adapter.
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mAdapter = new MenuItemsAdapter();
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setAdapter(mAdapter);
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setOnItemClickListener(this);
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mShowIcons = false;
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mItems = new ArrayList<GeckoMenuItem>();
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mPrimaryActionItems = new HashMap<GeckoMenuItem, View>();
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mSecondaryActionItems = new HashMap<GeckoMenuItem, View>();
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mPrimaryActionItemBar = (DefaultActionItemBar) LayoutInflater.from(context).inflate(R.layout.menu_action_bar, null);
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mSecondaryActionItemBar = (DefaultActionItemBar) LayoutInflater.from(context).inflate(R.layout.menu_secondary_action_bar, null);
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}
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@Override
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public MenuItem add(CharSequence title) {
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GeckoMenuItem menuItem = new GeckoMenuItem(this, NO_ID, 0, title);
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addItem(menuItem);
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return menuItem;
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}
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@Override
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public MenuItem add(int groupId, int itemId, int order, int titleRes) {
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GeckoMenuItem menuItem = new GeckoMenuItem(this, itemId, order, titleRes);
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addItem(menuItem);
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return menuItem;
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}
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@Override
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public MenuItem add(int titleRes) {
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GeckoMenuItem menuItem = new GeckoMenuItem(this, NO_ID, 0, titleRes);
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addItem(menuItem);
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return menuItem;
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}
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@Override
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public MenuItem add(int groupId, int itemId, int order, CharSequence title) {
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GeckoMenuItem menuItem = new GeckoMenuItem(this, itemId, order, title);
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addItem(menuItem);
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return menuItem;
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}
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private void addItem(GeckoMenuItem menuItem) {
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menuItem.setOnShowAsActionChangedListener(this);
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mAdapter.addMenuItem(menuItem);
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mItems.add(menuItem);
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}
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private boolean addActionItem(final GeckoMenuItem menuItem) {
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menuItem.setOnShowAsActionChangedListener(this);
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final View actionView = menuItem.getActionView();
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final int actionEnum = menuItem.getActionEnum();
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boolean added = false;
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if (actionEnum == GeckoMenuItem.SHOW_AS_ACTION_ALWAYS) {
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if (mPrimaryActionItems.size() == 0 &&
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mPrimaryActionItemBar instanceof DefaultActionItemBar) {
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// Reset the adapter before adding the header view to a list.
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setAdapter(null);
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addHeaderView((DefaultActionItemBar) mPrimaryActionItemBar);
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setAdapter(mAdapter);
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}
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if (added = mPrimaryActionItemBar.addActionItem(actionView)) {
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mPrimaryActionItems.put(menuItem, actionView);
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mItems.add(menuItem);
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}
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} else if (actionEnum == GeckoMenuItem.SHOW_AS_ACTION_IF_ROOM) {
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if (mSecondaryActionItems.size() == 0) {
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// Reset the adapter before adding the header view to a list.
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setAdapter(null);
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addHeaderView((DefaultActionItemBar) mSecondaryActionItemBar);
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setAdapter(mAdapter);
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}
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if (added = mSecondaryActionItemBar.addActionItem(actionView)) {
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mSecondaryActionItems.put(menuItem, actionView);
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mItems.add(menuItem);
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}
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}
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// Set the listeners.
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if (actionView instanceof MenuItemActionBar) {
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((MenuItemActionBar) actionView).setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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handleMenuItemClick(menuItem);
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}
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});
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} else if (actionView instanceof MenuItemActionView) {
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((MenuItemActionView) actionView).setMenuItemClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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handleMenuItemClick(menuItem);
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}
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});
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}
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return added;
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}
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@Override
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public int addIntentOptions(int groupId, int itemId, int order, ComponentName caller, Intent[] specifics, Intent intent, int flags, MenuItem[] outSpecificItems) {
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return 0;
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}
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@Override
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public SubMenu addSubMenu(int groupId, int itemId, int order, CharSequence title) {
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MenuItem menuItem = add(groupId, itemId, order, title);
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return addSubMenu(menuItem);
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}
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@Override
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public SubMenu addSubMenu(int groupId, int itemId, int order, int titleRes) {
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MenuItem menuItem = add(groupId, itemId, order, titleRes);
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return addSubMenu(menuItem);
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}
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@Override
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public SubMenu addSubMenu(CharSequence title) {
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MenuItem menuItem = add(title);
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return addSubMenu(menuItem);
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}
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@Override
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public SubMenu addSubMenu(int titleRes) {
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MenuItem menuItem = add(titleRes);
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return addSubMenu(menuItem);
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}
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private SubMenu addSubMenu(MenuItem menuItem) {
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GeckoSubMenu subMenu = new GeckoSubMenu(getContext());
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subMenu.setMenuItem(menuItem);
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subMenu.setCallback(mCallback);
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subMenu.setMenuPresenter(mMenuPresenter);
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((GeckoMenuItem) menuItem).setSubMenu(subMenu);
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return subMenu;
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}
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private void removePrimaryActionBarView() {
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// Reset the adapter before removing the header view from a list.
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setAdapter(null);
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removeHeaderView((DefaultActionItemBar) mPrimaryActionItemBar);
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setAdapter(mAdapter);
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}
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private void removeSecondaryActionBarView() {
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// Reset the adapter before removing the header view from a list.
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setAdapter(null);
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removeHeaderView((DefaultActionItemBar) mSecondaryActionItemBar);
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setAdapter(mAdapter);
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}
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@Override
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public void clear() {
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for (GeckoMenuItem menuItem : mItems) {
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if (menuItem.hasSubMenu()) {
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SubMenu sub = menuItem.getSubMenu();
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if (sub == null) {
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continue;
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}
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try {
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sub.clear();
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} catch (Exception ex) {
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Log.e(LOGTAG, "Couldn't clear submenu.", ex);
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}
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}
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}
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mAdapter.clear();
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mItems.clear();
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/*
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* Reinflating the menu will re-add any action items to the toolbar, so
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* remove the old ones. This also ensures that any text associated with
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* these is switched to the correct locale.
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*/
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if (mPrimaryActionItemBar != null) {
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for (View item : mPrimaryActionItems.values()) {
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mPrimaryActionItemBar.removeActionItem(item);
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}
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}
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mPrimaryActionItems.clear();
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if (mSecondaryActionItemBar != null) {
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for (View item : mSecondaryActionItems.values()) {
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mSecondaryActionItemBar.removeActionItem(item);
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}
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}
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mSecondaryActionItems.clear();
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// Remove the view, too -- the first addActionItem will re-add it,
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// and this is simpler than changing that logic.
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if (mPrimaryActionItemBar instanceof DefaultActionItemBar) {
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removePrimaryActionBarView();
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}
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removeSecondaryActionBarView();
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}
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@Override
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public void close() {
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if (mMenuPresenter != null)
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mMenuPresenter.closeMenu();
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}
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private void showMenu(View viewForMenu) {
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if (mMenuPresenter != null)
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mMenuPresenter.showMenu(viewForMenu);
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}
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@Override
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public MenuItem findItem(int id) {
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for (GeckoMenuItem menuItem : mItems) {
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if (menuItem.getItemId() == id) {
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return menuItem;
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} else if (menuItem.hasSubMenu()) {
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if (!menuItem.hasActionProvider()) {
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SubMenu subMenu = menuItem.getSubMenu();
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MenuItem item = subMenu.findItem(id);
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if (item != null)
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return item;
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}
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}
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}
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return null;
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}
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@Override
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public MenuItem getItem(int index) {
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if (index < mItems.size())
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return mItems.get(index);
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return null;
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}
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@Override
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public boolean hasVisibleItems() {
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for (GeckoMenuItem menuItem : mItems) {
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if (menuItem.isVisible() &&
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!mPrimaryActionItems.containsKey(menuItem) &&
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!mSecondaryActionItems.containsKey(menuItem))
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return true;
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}
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return false;
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}
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@Override
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public boolean isShortcutKey(int keyCode, KeyEvent event) {
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return true;
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}
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@Override
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public boolean performIdentifierAction(int id, int flags) {
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return false;
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}
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@Override
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public boolean performShortcut(int keyCode, KeyEvent event, int flags) {
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return false;
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}
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@Override
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public void removeGroup(int groupId) {
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}
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@Override
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public void removeItem(int id) {
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GeckoMenuItem item = (GeckoMenuItem) findItem(id);
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if (item == null)
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return;
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// Remove it from any sub-menu.
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for (GeckoMenuItem menuItem : mItems) {
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if (menuItem.hasSubMenu()) {
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SubMenu subMenu = menuItem.getSubMenu();
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if (subMenu != null && subMenu.findItem(id) != null) {
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subMenu.removeItem(id);
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return;
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}
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}
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}
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// Remove it from own menu.
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if (mPrimaryActionItems.containsKey(item)) {
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if (mPrimaryActionItemBar != null)
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mPrimaryActionItemBar.removeActionItem(mPrimaryActionItems.get(item));
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mPrimaryActionItems.remove(item);
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mItems.remove(item);
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if (mPrimaryActionItems.size() == 0 &&
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mPrimaryActionItemBar instanceof DefaultActionItemBar) {
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removePrimaryActionBarView();
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}
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return;
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}
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if (mSecondaryActionItems.containsKey(item)) {
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if (mSecondaryActionItemBar != null)
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mSecondaryActionItemBar.removeActionItem(mSecondaryActionItems.get(item));
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mSecondaryActionItems.remove(item);
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mItems.remove(item);
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if (mSecondaryActionItems.size() == 0) {
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removeSecondaryActionBarView();
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}
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return;
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}
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mAdapter.removeMenuItem(item);
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mItems.remove(item);
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}
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@Override
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public void setGroupCheckable(int group, boolean checkable, boolean exclusive) {
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}
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@Override
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public void setGroupEnabled(int group, boolean enabled) {
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}
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@Override
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public void setGroupVisible(int group, boolean visible) {
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}
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@Override
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public void setQwertyMode(boolean isQwerty) {
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}
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@Override
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public int size() {
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return mItems.size();
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}
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@Override
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public boolean hasActionItemBar() {
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return (mPrimaryActionItemBar != null) && (mSecondaryActionItemBar != null);
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}
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@Override
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public void onShowAsActionChanged(GeckoMenuItem item) {
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removeItem(item.getItemId());
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if (item.isActionItem() && addActionItem(item)) {
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return;
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}
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addItem(item);
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}
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public void onItemChanged(GeckoMenuItem item) {
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if (item.isActionItem()) {
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final View actionView;
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if (item.getActionEnum() == GeckoMenuItem.SHOW_AS_ACTION_ALWAYS) {
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actionView = mPrimaryActionItems.get(item);
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} else {
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actionView = mSecondaryActionItems.get(item);
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}
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if (actionView != null) {
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// The update could be coming from the background thread.
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// Post a runnable on the UI thread of the view for it to update.
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final GeckoMenuItem menuItem = item;
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actionView.post(new Runnable() {
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@Override
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public void run() {
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if (menuItem.isVisible()) {
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actionView.setVisibility(View.VISIBLE);
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if (actionView instanceof MenuItemActionBar) {
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((MenuItemActionBar) actionView).initialize(menuItem);
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} else {
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((MenuItemActionView) actionView).initialize(menuItem);
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}
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} else {
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actionView.setVisibility(View.GONE);
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}
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}
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});
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}
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} else {
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mAdapter.notifyDataSetChanged();
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}
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}
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@Override
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public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
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// We might be showing headers. Account them while using the position.
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position -= getHeaderViewsCount();
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GeckoMenuItem item = mAdapter.getItem(position);
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handleMenuItemClick(item);
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}
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private void handleMenuItemClick(GeckoMenuItem item) {
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if (!item.isEnabled())
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return;
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if (item.invoke()) {
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close();
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} else if (item.hasSubMenu()) {
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// Refresh the submenu for the provider.
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ActionProvider provider = item.getActionProvider();
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if (provider != null) {
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GeckoSubMenu subMenu = new GeckoSubMenu(getContext());
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subMenu.setShowIcons(true);
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provider.onPrepareSubMenu(subMenu);
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item.setSubMenu(subMenu);
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}
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// Show the submenu.
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GeckoSubMenu subMenu = (GeckoSubMenu) item.getSubMenu();
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showMenu(subMenu);
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} else {
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close();
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mCallback.onMenuItemSelected(item);
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}
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}
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public Callback getCallback() {
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return mCallback;
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}
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public MenuPresenter getMenuPresenter() {
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return mMenuPresenter;
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}
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public void setCallback(Callback callback) {
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mCallback = callback;
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// Update the submenus just in case this changes on the fly.
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for (GeckoMenuItem menuItem : mItems) {
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if (menuItem.hasSubMenu()) {
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GeckoSubMenu subMenu = (GeckoSubMenu) menuItem.getSubMenu();
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subMenu.setCallback(mCallback);
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}
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}
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}
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public void setMenuPresenter(MenuPresenter presenter) {
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mMenuPresenter = presenter;
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// Update the submenus just in case this changes on the fly.
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for (GeckoMenuItem menuItem : mItems) {
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if (menuItem.hasSubMenu()) {
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GeckoSubMenu subMenu = (GeckoSubMenu) menuItem.getSubMenu();
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subMenu.setMenuPresenter(mMenuPresenter);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void setActionItemBarPresenter(ActionItemBarPresenter presenter) {
|
|
mPrimaryActionItemBar = presenter;
|
|
}
|
|
|
|
public void setShowIcons(boolean show) {
|
|
if (mShowIcons != show) {
|
|
mShowIcons = show;
|
|
mAdapter.notifyDataSetChanged();
|
|
}
|
|
}
|
|
|
|
// Action Items are added to the header view by default.
|
|
// URL bar can register itself as a presenter, in case it has a different place to show them.
|
|
public static class DefaultActionItemBar extends LinearLayout
|
|
implements ActionItemBarPresenter {
|
|
private final int mRowHeight;
|
|
private float mWeightSum;
|
|
|
|
public DefaultActionItemBar(Context context) {
|
|
this(context, null);
|
|
}
|
|
|
|
public DefaultActionItemBar(Context context, AttributeSet attrs) {
|
|
super(context, attrs);
|
|
|
|
mRowHeight = getResources().getDimensionPixelSize(R.dimen.menu_item_row_height);
|
|
}
|
|
|
|
@Override
|
|
public boolean addActionItem(View actionItem) {
|
|
ViewGroup.LayoutParams actualParams = actionItem.getLayoutParams();
|
|
LinearLayout.LayoutParams params;
|
|
|
|
if (actualParams != null) {
|
|
params = new LinearLayout.LayoutParams(actionItem.getLayoutParams());
|
|
params.width = 0;
|
|
} else {
|
|
params = new LinearLayout.LayoutParams(0, mRowHeight);
|
|
}
|
|
|
|
if (actionItem instanceof MenuItemActionView) {
|
|
params.weight = ((MenuItemActionView) actionItem).getChildCount();
|
|
} else {
|
|
params.weight = 1.0f;
|
|
}
|
|
|
|
mWeightSum += params.weight;
|
|
|
|
actionItem.setLayoutParams(params);
|
|
addView(actionItem);
|
|
setWeightSum(mWeightSum);
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public void removeActionItem(View actionItem) {
|
|
if (indexOfChild(actionItem) != -1) {
|
|
LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) actionItem.getLayoutParams();
|
|
mWeightSum -= params.weight;
|
|
removeView(actionItem);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Adapter to bind menu items to the list.
|
|
private class MenuItemsAdapter extends BaseAdapter {
|
|
private static final int VIEW_TYPE_DEFAULT = 0;
|
|
private static final int VIEW_TYPE_ACTION_MODE = 1;
|
|
|
|
private List<GeckoMenuItem> mItems;
|
|
|
|
public MenuItemsAdapter() {
|
|
mItems = new ArrayList<GeckoMenuItem>();
|
|
}
|
|
|
|
@Override
|
|
public int getCount() {
|
|
if (mItems == null)
|
|
return 0;
|
|
|
|
int visibleCount = 0;
|
|
for (GeckoMenuItem item : mItems) {
|
|
if (item.isVisible())
|
|
visibleCount++;
|
|
}
|
|
|
|
return visibleCount;
|
|
}
|
|
|
|
@Override
|
|
public GeckoMenuItem getItem(int position) {
|
|
for (GeckoMenuItem item : mItems) {
|
|
if (item.isVisible()) {
|
|
position--;
|
|
|
|
if (position < 0)
|
|
return item;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
@Override
|
|
public long getItemId(int position) {
|
|
return position;
|
|
}
|
|
|
|
@Override
|
|
public View getView(int position, View convertView, ViewGroup parent) {
|
|
GeckoMenuItem item = getItem(position);
|
|
GeckoMenuItem.Layout view = null;
|
|
|
|
// Try to re-use the view.
|
|
if (convertView == null && getItemViewType(position) == VIEW_TYPE_DEFAULT) {
|
|
view = new MenuItemDefault(parent.getContext(), null);
|
|
} else {
|
|
view = (GeckoMenuItem.Layout) convertView;
|
|
}
|
|
|
|
if (view == null || view instanceof MenuItemActionView) {
|
|
// Always get from the menu item.
|
|
// This will ensure that the default activity is refreshed.
|
|
view = (MenuItemActionView) item.getActionView();
|
|
|
|
// ListView will not perform an item click if the row has a focusable view in it.
|
|
// Hence, forward the click event on the menu item in the action-view to the ListView.
|
|
final View actionView = (View) view;
|
|
final int pos = position;
|
|
final long id = getItemId(position);
|
|
((MenuItemActionView) view).setMenuItemClickListener(new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
GeckoMenu listView = GeckoMenu.this;
|
|
listView.performItemClick(actionView, pos + listView.getHeaderViewsCount(), id);
|
|
}
|
|
});
|
|
}
|
|
|
|
// Initialize the view.
|
|
view.setShowIcon(mShowIcons);
|
|
view.initialize(item);
|
|
return (View) view;
|
|
}
|
|
|
|
@Override
|
|
public int getItemViewType(int position) {
|
|
return getItem(position).getActionProvider() == null ? VIEW_TYPE_DEFAULT : VIEW_TYPE_ACTION_MODE;
|
|
}
|
|
|
|
@Override
|
|
public int getViewTypeCount() {
|
|
return 2;
|
|
}
|
|
|
|
@Override
|
|
public boolean hasStableIds() {
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public boolean areAllItemsEnabled() {
|
|
for (GeckoMenuItem item : mItems) {
|
|
if (!item.isEnabled())
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public boolean isEnabled(int position) {
|
|
return getItem(position).isEnabled();
|
|
}
|
|
|
|
public void addMenuItem(GeckoMenuItem menuItem) {
|
|
if (mItems.contains(menuItem))
|
|
return;
|
|
|
|
// Insert it in proper order.
|
|
int index = 0;
|
|
for (GeckoMenuItem item : mItems) {
|
|
if (item.getOrder() > menuItem.getOrder()) {
|
|
mItems.add(index, menuItem);
|
|
notifyDataSetChanged();
|
|
return;
|
|
} else {
|
|
index++;
|
|
}
|
|
}
|
|
|
|
// Add the menuItem at the end.
|
|
mItems.add(menuItem);
|
|
notifyDataSetChanged();
|
|
}
|
|
|
|
public void removeMenuItem(GeckoMenuItem menuItem) {
|
|
// Remove it from the list.
|
|
mItems.remove(menuItem);
|
|
notifyDataSetChanged();
|
|
}
|
|
|
|
public void clear() {
|
|
mItems.clear();
|
|
notifyDataSetChanged();
|
|
}
|
|
|
|
public GeckoMenuItem getMenuItem(int id) {
|
|
for (GeckoMenuItem item : mItems) {
|
|
if (item.getItemId() == id)
|
|
return item;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
}
|
|
}
|