1/* 2 * Copyright (C) 2014 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 */ 16package android.support.v7.internal.view; 17 18import android.content.Context; 19import android.support.v4.view.MenuItemCompat; 20import android.support.v7.internal.view.menu.MenuBuilder; 21import android.support.v7.internal.view.menu.MenuPopupHelper; 22import android.support.v7.internal.view.menu.SubMenuBuilder; 23import android.support.v7.internal.widget.ActionBarContextView; 24import android.support.v7.view.ActionMode; 25import android.view.Menu; 26import android.view.MenuInflater; 27import android.view.MenuItem; 28import android.view.View; 29import android.view.accessibility.AccessibilityEvent; 30 31import java.lang.ref.WeakReference; 32 33/** 34 * @hide 35 */ 36public class StandaloneActionMode extends ActionMode implements MenuBuilder.Callback { 37 private Context mContext; 38 private ActionBarContextView mContextView; 39 private ActionMode.Callback mCallback; 40 private WeakReference<View> mCustomView; 41 private boolean mFinished; 42 private boolean mFocusable; 43 44 private MenuBuilder mMenu; 45 46 public StandaloneActionMode(Context context, ActionBarContextView view, 47 ActionMode.Callback callback, boolean isFocusable) { 48 mContext = context; 49 mContextView = view; 50 mCallback = callback; 51 52 mMenu = new MenuBuilder(view.getContext()).setDefaultShowAsAction( 53 MenuItemCompat.SHOW_AS_ACTION_IF_ROOM); 54 mMenu.setCallback(this); 55 mFocusable = isFocusable; 56 } 57 58 @Override 59 public void setTitle(CharSequence title) { 60 mContextView.setTitle(title); 61 } 62 63 @Override 64 public void setSubtitle(CharSequence subtitle) { 65 mContextView.setSubtitle(subtitle); 66 } 67 68 @Override 69 public void setTitle(int resId) { 70 setTitle(mContext.getString(resId)); 71 } 72 73 @Override 74 public void setSubtitle(int resId) { 75 setSubtitle(mContext.getString(resId)); 76 } 77 78 @Override 79 public void setTitleOptionalHint(boolean titleOptional) { 80 super.setTitleOptionalHint(titleOptional); 81 mContextView.setTitleOptional(titleOptional); 82 } 83 84 @Override 85 public boolean isTitleOptional() { 86 return mContextView.isTitleOptional(); 87 } 88 89 @Override 90 public void setCustomView(View view) { 91 mContextView.setCustomView(view); 92 mCustomView = view != null ? new WeakReference<View>(view) : null; 93 } 94 95 @Override 96 public void invalidate() { 97 mCallback.onPrepareActionMode(this, mMenu); 98 } 99 100 @Override 101 public void finish() { 102 if (mFinished) { 103 return; 104 } 105 mFinished = true; 106 107 mContextView.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 108 mCallback.onDestroyActionMode(this); 109 } 110 111 @Override 112 public Menu getMenu() { 113 return mMenu; 114 } 115 116 @Override 117 public CharSequence getTitle() { 118 return mContextView.getTitle(); 119 } 120 121 @Override 122 public CharSequence getSubtitle() { 123 return mContextView.getSubtitle(); 124 } 125 126 @Override 127 public View getCustomView() { 128 return mCustomView != null ? mCustomView.get() : null; 129 } 130 131 @Override 132 public MenuInflater getMenuInflater() { 133 return new MenuInflater(mContextView.getContext()); 134 } 135 136 public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) { 137 return mCallback.onActionItemClicked(this, item); 138 } 139 140 public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) { 141 } 142 143 public boolean onSubMenuSelected(SubMenuBuilder subMenu) { 144 if (!subMenu.hasVisibleItems()) { 145 return true; 146 } 147 148 new MenuPopupHelper(mContextView.getContext(), subMenu).show(); 149 return true; 150 } 151 152 public void onCloseSubMenu(SubMenuBuilder menu) { 153 } 154 155 public void onMenuModeChange(MenuBuilder menu) { 156 invalidate(); 157 mContextView.showOverflowMenu(); 158 } 159 160 public boolean isUiFocusable() { 161 return mFocusable; 162 } 163} 164