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: 
michael@0: import android.content.Context;
michael@0: import android.content.res.Resources;
michael@0: import android.graphics.Rect;
michael@0: import android.graphics.drawable.Drawable;
michael@0: import android.util.AttributeSet;
michael@0: import android.widget.TextView;
michael@0: 
michael@0: public class MenuItemDefault extends TextView
michael@0:                              implements GeckoMenuItem.Layout {
michael@0:     private static final int[] STATE_MORE = new int[] { R.attr.state_more };
michael@0:     private static final int[] STATE_CHECKED = new int[] { android.R.attr.state_checkable, android.R.attr.state_checked };
michael@0:     private static final int[] STATE_UNCHECKED = new int[] { android.R.attr.state_checkable };
michael@0: 
michael@0:     private Drawable mIcon;
michael@0:     private Drawable mState;
michael@0:     private static Rect sIconBounds;
michael@0: 
michael@0:     private boolean mCheckable = false;
michael@0:     private boolean mChecked = false;
michael@0:     private boolean mHasSubMenu = false;
michael@0:     private boolean mShowIcon = false;
michael@0: 
michael@0:     public MenuItemDefault(Context context) {
michael@0:         this(context, null);
michael@0:     }
michael@0: 
michael@0:     public MenuItemDefault(Context context, AttributeSet attrs) {
michael@0:         this(context, attrs, R.attr.menuItemDefaultStyle);
michael@0:     }
michael@0: 
michael@0:     public MenuItemDefault(Context context, AttributeSet attrs, int defStyle) {
michael@0:         super(context, attrs, defStyle);
michael@0: 
michael@0:         Resources res = getResources();
michael@0:         int width = res.getDimensionPixelSize(R.dimen.menu_item_row_width);
michael@0:         int height = res.getDimensionPixelSize(R.dimen.menu_item_row_height);
michael@0:         setMinimumWidth(width);
michael@0:         setMinimumHeight(height);
michael@0: 
michael@0:         int stateIconSize = res.getDimensionPixelSize(R.dimen.menu_item_state_icon);
michael@0:         Rect stateIconBounds = new Rect(0, 0, stateIconSize, stateIconSize);
michael@0: 
michael@0:         mState = res.getDrawable(R.drawable.menu_item_state).mutate();
michael@0:         mState.setBounds(stateIconBounds);
michael@0: 
michael@0:         if (sIconBounds == null) {
michael@0:             int iconSize = res.getDimensionPixelSize(R.dimen.menu_item_icon);
michael@0:             sIconBounds = new Rect(0, 0, iconSize, iconSize);
michael@0:         }
michael@0: 
michael@0:         setCompoundDrawables(mIcon, null, mState, null);
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public int[] onCreateDrawableState(int extraSpace) {
michael@0:         final int[] drawableState = super.onCreateDrawableState(extraSpace + 2);
michael@0: 
michael@0:         if (mHasSubMenu)
michael@0:             mergeDrawableStates(drawableState, STATE_MORE);
michael@0:         else if (mCheckable && mChecked)
michael@0:             mergeDrawableStates(drawableState, STATE_CHECKED);
michael@0:         else if (mCheckable && !mChecked)
michael@0:             mergeDrawableStates(drawableState, STATE_UNCHECKED);
michael@0: 
michael@0:         return drawableState;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public void initialize(GeckoMenuItem item) {
michael@0:         if (item == null)
michael@0:             return;
michael@0: 
michael@0:         setTitle(item.getTitle());        
michael@0:         setIcon(item.getIcon());
michael@0:         setEnabled(item.isEnabled());
michael@0:         setCheckable(item.isCheckable());
michael@0:         setChecked(item.isChecked());
michael@0:         setSubMenuIndicator(item.hasSubMenu());
michael@0:     }
michael@0: 
michael@0:     private void refreshIcon() {
michael@0:         setCompoundDrawables(mShowIcon ? mIcon : null, null, mState, null);
michael@0:     }
michael@0: 
michael@0:     void setIcon(Drawable icon) {
michael@0:         mIcon = icon;
michael@0: 
michael@0:         if (mIcon != null) {
michael@0:             mIcon.setBounds(sIconBounds);
michael@0:             mIcon.setAlpha(isEnabled() ? 255 : 99);
michael@0:         }
michael@0: 
michael@0:         refreshIcon();
michael@0:     }
michael@0: 
michael@0:     void setIcon(int icon) {
michael@0:         setIcon((icon == 0) ? null : getResources().getDrawable(icon));
michael@0:     }
michael@0: 
michael@0:     void setTitle(CharSequence title) {
michael@0:         setText(title);
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public void setEnabled(boolean enabled) {
michael@0:         super.setEnabled(enabled);
michael@0: 
michael@0:         if (mIcon != null)
michael@0:             mIcon.setAlpha(enabled ? 255 : 99);
michael@0: 
michael@0:         if (mState != null)
michael@0:             mState.setAlpha(enabled ? 255 : 99);
michael@0:     }
michael@0: 
michael@0:     private void setCheckable(boolean checkable) {
michael@0:         if (mCheckable != checkable) {
michael@0:             mCheckable = checkable;
michael@0:             refreshDrawableState();
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     private void setChecked(boolean checked) {
michael@0:         if (mChecked != checked) {
michael@0:             mChecked = checked;
michael@0:             refreshDrawableState();
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public void setShowIcon(boolean show) {
michael@0:         if (mShowIcon != show) {
michael@0:             mShowIcon = show;
michael@0:             refreshIcon();
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     void setSubMenuIndicator(boolean hasSubMenu) {
michael@0:         if (mHasSubMenu != hasSubMenu) {
michael@0:             mHasSubMenu = hasSubMenu;
michael@0:             refreshDrawableState();
michael@0:         }
michael@0:     }
michael@0: }