michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: package org.mozilla.gecko.menu;
michael@0: 
michael@0: import org.mozilla.gecko.R;
michael@0: import org.mozilla.gecko.widget.GeckoActionProvider;
michael@0: 
michael@0: import android.content.Intent;
michael@0: import android.graphics.drawable.Drawable;
michael@0: import android.os.Build;
michael@0: import android.view.ActionProvider;
michael@0: import android.view.ContextMenu;
michael@0: import android.view.MenuItem;
michael@0: import android.view.SubMenu;
michael@0: import android.view.View;
michael@0: 
michael@0: public class GeckoMenuItem implements MenuItem {
michael@0:     private static final String LOGTAG = "GeckoMenuItem";
michael@0: 
michael@0:     public static final int SHOW_AS_ACTION_NEVER = 0;
michael@0:     public static final int SHOW_AS_ACTION_IF_ROOM = 1;
michael@0:     public static final int SHOW_AS_ACTION_ALWAYS = 2;
michael@0: 
michael@0:     // A View that can show a MenuItem should be able to initialize from 
michael@0:     // the properties of the MenuItem.
michael@0:     public static interface Layout {
michael@0:         public void initialize(GeckoMenuItem item);
michael@0:         public void setShowIcon(boolean show);
michael@0:     }
michael@0: 
michael@0:     public static interface OnShowAsActionChangedListener {
michael@0:         public boolean hasActionItemBar();
michael@0:         public void onShowAsActionChanged(GeckoMenuItem item);
michael@0:     }
michael@0: 
michael@0:     private int mId;
michael@0:     private int mOrder;
michael@0:     private View mActionView;
michael@0:     private int mActionEnum;
michael@0:     private CharSequence mTitle;
michael@0:     private CharSequence mTitleCondensed;
michael@0:     private boolean mCheckable = false;
michael@0:     private boolean mChecked = false;
michael@0:     private boolean mVisible = true;
michael@0:     private boolean mEnabled = true;
michael@0:     private Drawable mIcon;
michael@0:     private int mIconRes;
michael@0:     private GeckoActionProvider mActionProvider;
michael@0:     private GeckoMenu mMenu;
michael@0:     private GeckoSubMenu mSubMenu;
michael@0:     private MenuItem.OnMenuItemClickListener mMenuItemClickListener = null;
michael@0:     private OnShowAsActionChangedListener mShowAsActionChangedListener;
michael@0: 
michael@0:     public GeckoMenuItem(GeckoMenu menu, int id, int order, int titleRes) {
michael@0:         mMenu = menu;
michael@0:         mId = id;
michael@0:         mOrder = order;
michael@0:         setTitle(titleRes);
michael@0:     }
michael@0: 
michael@0:     public GeckoMenuItem(GeckoMenu menu, int id, int order, CharSequence title) {
michael@0:         mMenu = menu;
michael@0:         mId = id;
michael@0:         mOrder = order;
michael@0:         setTitle(title);
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public boolean collapseActionView() {
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public boolean expandActionView() {
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     public boolean hasActionProvider() {
michael@0:         if (Build.VERSION.SDK_INT < 14) {
michael@0:             return false;
michael@0:         }
michael@0: 
michael@0:         return (mActionProvider != null);
michael@0:     }
michael@0: 
michael@0:     public int getActionEnum() {
michael@0:         return mActionEnum;
michael@0:     }
michael@0: 
michael@0:     public GeckoActionProvider getGeckoActionProvider() {
michael@0:         return mActionProvider;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public ActionProvider getActionProvider() {
michael@0:         return null;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public View getActionView() {
michael@0:         if (mActionProvider != null) {
michael@0:             return mActionProvider.getView();
michael@0:         }
michael@0: 
michael@0:         return mActionView;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public char getAlphabeticShortcut() {
michael@0:         return 0;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public int getGroupId() {
michael@0:         return 0;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public Drawable getIcon() {
michael@0:         if (mIcon == null) {
michael@0:             if (mIconRes != 0)
michael@0:                 return mMenu.getResources().getDrawable(mIconRes);
michael@0:             else
michael@0:                 return null;
michael@0:         } else {
michael@0:             return mIcon;
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public Intent getIntent() {
michael@0:         return null;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public int getItemId() {
michael@0:         return mId;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public ContextMenu.ContextMenuInfo getMenuInfo() {
michael@0:         return null;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public char getNumericShortcut() {
michael@0:         return 0;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public int getOrder() {
michael@0:         return mOrder;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public SubMenu getSubMenu() {
michael@0:         return mSubMenu;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public CharSequence getTitle() {
michael@0:         return mTitle;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public CharSequence getTitleCondensed() {
michael@0:         return mTitleCondensed;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public boolean hasSubMenu() {
michael@0:         if (mActionProvider != null)
michael@0:             return mActionProvider.hasSubMenu();
michael@0: 
michael@0:         return (mSubMenu != null);
michael@0:     }
michael@0: 
michael@0:     public boolean isActionItem() {
michael@0:         return (mActionEnum > 0);
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public boolean isActionViewExpanded() {
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public boolean isCheckable() {
michael@0:         return mCheckable;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public boolean isChecked() {
michael@0:         return mChecked;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public boolean isEnabled() {
michael@0:         return mEnabled;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public boolean isVisible() {
michael@0:         return mVisible;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setActionProvider(ActionProvider actionProvider) {
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     public MenuItem setActionProvider(GeckoActionProvider actionProvider) {
michael@0:         mActionProvider = actionProvider;
michael@0:         if (mActionProvider != null) {
michael@0:             actionProvider.setOnTargetSelectedListener(new GeckoActionProvider.OnTargetSelectedListener() {
michael@0:                 @Override
michael@0:                 public void onTargetSelected() {
michael@0:                     mMenu.close();
michael@0: 
michael@0:                     // Refresh the menu item to show the high frequency apps.
michael@0:                     mShowAsActionChangedListener.onShowAsActionChanged(GeckoMenuItem.this);
michael@0:                 }
michael@0:             });
michael@0:         }
michael@0: 
michael@0:         mShowAsActionChangedListener.onShowAsActionChanged(this);
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setActionView(int resId) {
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setActionView(View view) {
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setAlphabeticShortcut(char alphaChar) {
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setCheckable(boolean checkable) {
michael@0:         mCheckable = checkable;
michael@0:         mMenu.onItemChanged(this);
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setChecked(boolean checked) {
michael@0:         mChecked = checked;
michael@0:         mMenu.onItemChanged(this);
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setEnabled(boolean enabled) {
michael@0:         mEnabled = enabled;
michael@0:         mMenu.onItemChanged(this);
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setIcon(Drawable icon) {
michael@0:         mIcon = icon;
michael@0:         mMenu.onItemChanged(this);
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setIcon(int iconRes) {
michael@0:         mIconRes = iconRes;
michael@0:         mMenu.onItemChanged(this);
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setIntent(Intent intent) {
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setNumericShortcut(char numericChar) {
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setOnActionExpandListener(MenuItem.OnActionExpandListener listener) {
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setOnMenuItemClickListener(MenuItem.OnMenuItemClickListener menuItemClickListener) {
michael@0:         mMenuItemClickListener = menuItemClickListener;
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setShortcut(char numericChar, char alphaChar) {
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public void setShowAsAction(int actionEnum) {
michael@0:         setShowAsAction(actionEnum, 0);
michael@0:     }
michael@0: 
michael@0:     public void setShowAsAction(int actionEnum, int style) {
michael@0:         if (mShowAsActionChangedListener == null)
michael@0:             return;
michael@0: 
michael@0:         if (mActionEnum == actionEnum)
michael@0:             return;
michael@0: 
michael@0:         if (actionEnum > 0) {
michael@0:             if (!mShowAsActionChangedListener.hasActionItemBar())
michael@0:                 return;
michael@0: 
michael@0:             if (!hasActionProvider()) {
michael@0:                 // Change the type to just an icon
michael@0:                 MenuItemActionBar actionView;
michael@0:                 if (style != 0) {
michael@0:                     actionView = new MenuItemActionBar(mMenu.getContext(), null, style);
michael@0:                 } else {
michael@0:                     if (actionEnum == SHOW_AS_ACTION_ALWAYS) {
michael@0:                         actionView = new MenuItemActionBar(mMenu.getContext());
michael@0:                     } else {
michael@0:                         actionView = new MenuItemActionBar(mMenu.getContext(), null, R.attr.menuItemSecondaryActionBarStyle);
michael@0:                     }
michael@0:                 }
michael@0: 
michael@0:                 actionView.initialize(this);
michael@0:                 mActionView = actionView;
michael@0:             }
michael@0: 
michael@0:             mActionEnum = actionEnum;
michael@0:         }
michael@0: 
michael@0:         mShowAsActionChangedListener.onShowAsActionChanged(this);
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setShowAsActionFlags(int actionEnum) {
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     public MenuItem setSubMenu(GeckoSubMenu subMenu) {
michael@0:         mSubMenu = subMenu;
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setTitle(CharSequence title) {
michael@0:         mTitle = title;
michael@0:         mMenu.onItemChanged(this);
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setTitle(int title) {
michael@0:         mTitle = mMenu.getResources().getString(title);
michael@0:         mMenu.onItemChanged(this);
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setTitleCondensed(CharSequence title) {
michael@0:         mTitleCondensed = title;
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public MenuItem setVisible(boolean visible) {
michael@0:         mVisible = visible;
michael@0:         mMenu.onItemChanged(this);
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     public boolean invoke() {
michael@0:         if (mMenuItemClickListener != null)
michael@0:             return mMenuItemClickListener.onMenuItemClick(this);
michael@0:         else
michael@0:             return false;
michael@0:     }
michael@0: 
michael@0:     public void setOnShowAsActionChangedListener(OnShowAsActionChangedListener listener) {
michael@0:         mShowAsActionChangedListener = listener;
michael@0:     }
michael@0: }