content: /*
   * Copyright (C) 2010 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.android.internal.view.menu;
  
  import android.annotation.Nullable;
  import android.annotation.UnsupportedAppUsage;
  import android.content.Context;
  import android.content.Intent;
  import android.content.res.ColorStateList;
  import android.graphics.PorterDuff;
  import android.graphics.drawable.Drawable;
  import android.view.ActionProvider;
  import android.view.ContextMenu.ContextMenuInfo;
  import android.view.KeyEvent;
  import android.view.MenuItem;
  import android.view.SubMenu;
  import android.view.View;
  
  /**
   * @hide
   */
  public class ActionMenuItem implements MenuItem {
      private final int mId;
      private final int mGroup;
      private final int mCategoryOrder;
      private final int mOrdering;
  
      private CharSequence mTitle;
      private CharSequence mTitleCondensed;
      private Intent mIntent;
      private char mShortcutNumericChar;
      private int mShortcutNumericModifiers = KeyEvent.META_CTRL_ON;
      private char mShortcutAlphabeticChar;
      private int mShortcutAlphabeticModifiers = KeyEvent.META_CTRL_ON;
  
      private Drawable mIconDrawable;
      private int mIconResId = NO_ICON;
      private ColorStateList mIconTintList = null;
      private PorterDuff.Mode mIconTintMode = null;
      private boolean mHasIconTint = false;
      private boolean mHasIconTintMode = false;
  
      private Context mContext;
  
      private MenuItem.OnMenuItemClickListener mClickListener;
  
      private CharSequence mContentDescription;
      private CharSequence mTooltipText;
  
      private static final int NO_ICON = 0;
  
      private int mFlags = ENABLED;
      private static final int CHECKABLE      = 0x00000001;
      private static final int CHECKED        = 0x00000002;
      private static final int EXCLUSIVE      = 0x00000004;
      private static final int HIDDEN         = 0x00000008;
      private static final int ENABLED        = 0x00000010;
  
      @UnsupportedAppUsage
      public ActionMenuItem(Context context, int group, int id, int categoryOrder, int ordering,
              CharSequence title) {
          mContext = context;
          mId = id;
          mGroup = group;
          mCategoryOrder = categoryOrder;
          mOrdering = ordering;
          mTitle = title;
      }
  
      public char getAlphabeticShortcut() {
          return mShortcutAlphabeticChar;
      }
  
      public int getAlphabeticModifiers() {
          return mShortcutAlphabeticModifiers;
      }
  
      public int getGroupId() {
          return mGroup;
      }
  
      public Drawable getIcon() {
          return mIconDrawable;
      }
  
      public Intent getIntent() {
          return mIntent;
      }
  
      public int getItemId() {
          return mId;
      }
  
      public ContextMenuInfo getMenuInfo() {
          return null;
      }
  
      public char getNumericShortcut() {
          return mShortcutNumericChar;
      }
  
      public int getNumericModifiers() {
          return mShortcutNumericModifiers;
      }
  
      public int getOrder() {
          return mOrdering;
      }
  
      public SubMenu getSubMenu() {
          return null;
      }
  
      public CharSequence getTitle() {
          return mTitle;
      }
  
      public CharSequence getTitleCondensed() {
          return mTitleCondensed != null ? mTitleCondensed : mTitle;
      }
  
      public boolean hasSubMenu() {
          return false;
      }
  
      public boolean isCheckable() {
          return (mFlags & CHECKABLE) != 0; 
      }
  
      public boolean isChecked() {
          return (mFlags & CHECKED) != 0;
      }
  
      public boolean isEnabled() {
          return (mFlags & ENABLED) != 0;
      }
  
      public boolean isVisible() {
          return (mFlags & HIDDEN) == 0;
      }
  
      public MenuItem setAlphabeticShortcut(char alphaChar) {
          mShortcutAlphabeticChar = Character.toLowerCase(alphaChar);
          return this;
      }
  
      public MenuItem setAlphabeticShortcut(char alphachar, int alphaModifiers) {
          mShortcutAlphabeticChar = Character.toLowerCase(alphachar);
          mShortcutAlphabeticModifiers = KeyEvent.normalizeMetaState(alphaModifiers);
          return this;
      }
  
      public MenuItem setCheckable(boolean checkable) {
          mFlags = (mFlags & ~CHECKABLE) | (checkable ? CHECKABLE : 0);
          return this;
      }
      
      public ActionMenuItem setExclusiveCheckable(boolean exclusive) {
          mFlags = (mFlags & ~EXCLUSIVE) | (exclusive ? EXCLUSIVE : 0);
          return this;
      }
  
      public MenuItem setChecked(boolean checked) {
          mFlags = (mFlags & ~CHECKED) | (checked ? CHECKED : 0);
          return this;
      }
  
      public MenuItem setEnabled(boolean enabled) {
          mFlags = (mFlags & ~ENABLED) | (enabled ? ENABLED : 0);
          return this;
      }
  
      public MenuItem setIcon(Drawable icon) {
          mIconDrawable = icon;
          mIconResId = NO_ICON;
  
          applyIconTint();
          return this;
      }
  
      public MenuItem setIcon(int iconRes) {
          mIconResId = iconRes;
          mIconDrawable = mContext.getDrawable(iconRes);
  
          applyIconTint();
          return this;
      }
  
      @Override
      public MenuItem setIconTintList(@Nullable ColorStateList iconTintList) {
          mIconTintList = iconTintList;
          mHasIconTint = true;
  
          applyIconTint();
  
          return this;
      }
  
      @Nullable
      @Override
      public ColorStateList getIconTintList() {
          return mIconTintList;
      }
  
      @Override
      public MenuItem setIconTintMode(PorterDuff.Mode iconTintMode) {
          mIconTintMode = iconTintMode;
          mHasIconTintMode = true;
  
          applyIconTint();
  
          return this;
      }
  
      @Nullable
      @Override
      public PorterDuff.Mode getIconTintMode() {
          return mIconTintMode;
      }
  
      private void applyIconTint() {
          if (mIconDrawable != null && (mHasIconTint || mHasIconTintMode)) {
              mIconDrawable = mIconDrawable.mutate();
  
              if (mHasIconTint) {
                  mIconDrawable.setTintList(mIconTintList);
              }
  
              if (mHasIconTintMode) {
                  mIconDrawable.setTintMode(mIconTintMode);
              }
          }
      }
  
      public MenuItem setIntent(Intent intent) {
          mIntent = intent;
          return this;
      }
  
      public MenuItem setNumericShortcut(char numericChar) {
          mShortcutNumericChar = numericChar;
          return this;
      }
  
      public MenuItem setNumericShortcut(char numericChar, int numericModifiers) {
          mShortcutNumericChar = numericChar;
          mShortcutNumericModifiers = KeyEvent.normalizeMetaState(numericModifiers);
          return this;
      }
  
      public MenuItem setOnMenuItemClickListener(OnMenuItemClickListener menuItemClickListener) {
          mClickListener = menuItemClickListener;
          return this;
      }
  
      public MenuItem setShortcut(char numericChar, char alphaChar) {
          mShortcutNumericChar = numericChar;
          mShortcutAlphabeticChar = Character.toLowerCase(alphaChar);
          return this;
      }
  
      public MenuItem setShortcut(char numericChar, char alphaChar, int numericModifiers,
              int alphaModifiers) {
          mShortcutNumericChar = numericChar;
          mShortcutNumericModifiers = KeyEvent.normalizeMetaState(numericModifiers);
          mShortcutAlphabeticChar = Character.toLowerCase(alphaChar);
          mShortcutAlphabeticModifiers = KeyEvent.normalizeMetaState(alphaModifiers);
          return this;
      }
  
      public MenuItem setTitle(CharSequence title) {
          mTitle = title;
          return this;
      }
  
      public MenuItem setTitle(int title) {
          mTitle = mContext.getResources().getString(title);
          return this;
      }
  
      public MenuItem setTitleCondensed(CharSequence title) {
          mTitleCondensed = title;
          return this;
      }
  
      public MenuItem setVisible(boolean visible) {
          mFlags = (mFlags & HIDDEN) | (visible ? 0 : HIDDEN);
          return this;
      }
  
      public boolean invoke() {
          if (mClickListener != null && mClickListener.onMenuItemClick(this)) {
              return true;
          }
          
          if (mIntent != null) {
              mContext.startActivity(mIntent);
              return true;
          }
          
          return false;
      }
      
      public void setShowAsAction(int show) {
          // Do nothing. ActionMenuItems always show as action buttons.
      }
  
      public MenuItem setActionView(View actionView) {
          throw new UnsupportedOperationException();
      }
  
      public View getActionView() {
          return null;
      }
  
      @Override
      public MenuItem setActionView(int resId) {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public ActionProvider getActionProvider() {
          return null;
      }
  
      @Override
      public MenuItem setActionProvider(ActionProvider actionProvider) {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public MenuItem setShowAsActionFlags(int actionEnum) {
          setShowAsAction(actionEnum);
          return this;
      }
  
      @Override
      public boolean expandActionView() {
          return false;
      }
  
      @Override
      public boolean collapseActionView() {
          return false;
      }
  
      @Override
      public boolean isActionViewExpanded() {
          return false;
      }
  
      @Override
      public MenuItem setOnActionExpandListener(OnActionExpandListener listener) {
          // No need to save the listener; ActionMenuItem does not support collapsing items.
          return this;
      }
  
      @Override
      public MenuItem setContentDescription(CharSequence contentDescription) {
          mContentDescription = contentDescription;
          return this;
      }
  
      @Override
      public CharSequence getContentDescription() {
          return mContentDescription;
      }
  
      @Override
      public MenuItem setTooltipText(CharSequence tooltipText) {
          mTooltipText = tooltipText;
          return this;
      }
  
      @Override
      public CharSequence getTooltipText() {
          return mTooltipText;
      }
  }
  