actionbarsherlock/src/com/actionbarsherlock/internal/view/StandaloneActionMode.java

   1 /*
   2  * Copyright (C) 2010 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.actionbarsherlock.internal.view;
  17
  18 import android.content.Context;
  19 import android.view.View;
  20 import android.view.accessibility.AccessibilityEvent;
  21
  22 import java.lang.ref.WeakReference;
  23
  24 import com.actionbarsherlock.internal.view.menu.MenuBuilder;
  25 import com.actionbarsherlock.internal.view.menu.MenuPopupHelper;
  26 import com.actionbarsherlock.internal.view.menu.SubMenuBuilder;
  27 import com.actionbarsherlock.internal.widget.ActionBarContextView;
  28 import com.actionbarsherlock.view.ActionMode;
  29 import com.actionbarsherlock.view.Menu;
  30 import com.actionbarsherlock.view.MenuInflater;
  31 import com.actionbarsherlock.view.MenuItem;
  32
  33 public class StandaloneActionMode extends ActionMode implements MenuBuilder.Callback {
  34     private Context mContext;
  35     private ActionBarContextView mContextView;
  36     private ActionMode.Callback mCallback;
  37     private WeakReference<View> mCustomView;
  38     private boolean mFinished;
  39     private boolean mFocusable;
  40
  41     private MenuBuilder mMenu;
  42
  43     public StandaloneActionMode(Context context, ActionBarContextView view,
  44             ActionMode.Callback callback, boolean isFocusable) {
  45         mContext = context;
  46         mContextView = view;
  47         mCallback = callback;
  48
  49         mMenu = new MenuBuilder(context).setDefaultShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
  50         mMenu.setCallback(this);
  51         mFocusable = isFocusable;
  52     }
  53
  54     @Override
  55     public void setTitle(CharSequence title) {
  56         mContextView.setTitle(title);
  57     }
  58
  59     @Override
  60     public void setSubtitle(CharSequence subtitle) {
  61         mContextView.setSubtitle(subtitle);
  62     }
  63
  64     @Override
  65     public void setTitle(int resId) {
  66         setTitle(mContext.getString(resId));
  67     }
  68
  69     @Override
  70     public void setSubtitle(int resId) {
  71         setSubtitle(mContext.getString(resId));
  72     }
  73
  74     @Override
  75     public void setCustomView(View view) {
  76         mContextView.setCustomView(view);
  77         mCustomView = view != null ? new WeakReference<View>(view) : null;
  78     }
  79
  80     @Override
  81     public void invalidate() {
  82         mCallback.onPrepareActionMode(this, mMenu);
  83     }
  84
  85     @Override
  86     public void finish() {
  87         if (mFinished) {
  88             return;
  89         }
  90         mFinished = true;
  91
  92         mContextView.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED);
  93         mCallback.onDestroyActionMode(this);
  94     }
  95
  96     @Override
  97     public Menu getMenu() {
  98         return mMenu;
  99     }
 100
 101     @Override
 102     public CharSequence getTitle() {
 103         return mContextView.getTitle();
 104     }
 105
 106     @Override
 107     public CharSequence getSubtitle() {
 108         return mContextView.getSubtitle();
 109     }
 110
 111     @Override
 112     public View getCustomView() {
 113         return mCustomView != null ? mCustomView.get() : null;
 114     }
 115
 116     @Override
 117     public MenuInflater getMenuInflater() {
 118         return new MenuInflater(mContext);
 119     }
 120
 121     public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) {
 122         return mCallback.onActionItemClicked(this, item);
 123     }
 124
 125     public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
 126     }
 127
 128     public boolean onSubMenuSelected(SubMenuBuilder subMenu) {
 129         if (!subMenu.hasVisibleItems()) {
 130             return true;
 131         }
 132
 133         new MenuPopupHelper(mContext, subMenu).show();
 134         return true;
 135     }
 136
 137     public void onCloseSubMenu(SubMenuBuilder menu) {
 138     }
 139
 140     public void onMenuModeChange(MenuBuilder menu) {
 141         invalidate();
 142         mContextView.showOverflowMenu();
 143     }
 144
 145     public boolean isUiFocusable() {
 146         return mFocusable;
 147     }
 148 }