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.view; 17 18import static android.support.annotation.RestrictTo.Scope.LIBRARY_GROUP; 19 20import android.content.Context; 21import android.support.annotation.RestrictTo; 22import android.support.v7.view.menu.MenuBuilder; 23import android.support.v7.view.menu.MenuPopupHelper; 24import android.support.v7.view.menu.SubMenuBuilder; 25import android.support.v7.widget.ActionBarContextView; 26import android.view.Menu; 27import android.view.MenuInflater; 28import android.view.MenuItem; 29import android.view.View; 30import android.view.accessibility.AccessibilityEvent; 31 32import java.lang.ref.WeakReference; 33 34/** 35 * @hide 36 */ 37@RestrictTo(LIBRARY_GROUP) 38public class StandaloneActionMode extends ActionMode implements MenuBuilder.Callback { 39 private Context mContext; 40 private ActionBarContextView mContextView; 41 private ActionMode.Callback mCallback; 42 private WeakReference<View> mCustomView; 43 private boolean mFinished; 44 private boolean mFocusable; 45 46 private MenuBuilder mMenu; 47 48 public StandaloneActionMode(Context context, ActionBarContextView view, 49 ActionMode.Callback callback, boolean isFocusable) { 50 mContext = context; 51 mContextView = view; 52 mCallback = callback; 53 54 mMenu = new MenuBuilder(view.getContext()).setDefaultShowAsAction( 55 MenuItem.SHOW_AS_ACTION_IF_ROOM); 56 mMenu.setCallback(this); 57 mFocusable = isFocusable; 58 } 59 60 @Override 61 public void setTitle(CharSequence title) { 62 mContextView.setTitle(title); 63 } 64 65 @Override 66 public void setSubtitle(CharSequence subtitle) { 67 mContextView.setSubtitle(subtitle); 68 } 69 70 @Override 71 public void setTitle(int resId) { 72 setTitle(mContext.getString(resId)); 73 } 74 75 @Override 76 public void setSubtitle(int resId) { 77 setSubtitle(mContext.getString(resId)); 78 } 79 80 @Override 81 public void setTitleOptionalHint(boolean titleOptional) { 82 super.setTitleOptionalHint(titleOptional); 83 mContextView.setTitleOptional(titleOptional); 84 } 85 86 @Override 87 public boolean isTitleOptional() { 88 return mContextView.isTitleOptional(); 89 } 90 91 @Override 92 public void setCustomView(View view) { 93 mContextView.setCustomView(view); 94 mCustomView = view != null ? new WeakReference<View>(view) : null; 95 } 96 97 @Override 98 public void invalidate() { 99 mCallback.onPrepareActionMode(this, mMenu); 100 } 101 102 @Override 103 public void finish() { 104 if (mFinished) { 105 return; 106 } 107 mFinished = true; 108 109 mContextView.sendAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED); 110 mCallback.onDestroyActionMode(this); 111 } 112 113 @Override 114 public Menu getMenu() { 115 return mMenu; 116 } 117 118 @Override 119 public CharSequence getTitle() { 120 return mContextView.getTitle(); 121 } 122 123 @Override 124 public CharSequence getSubtitle() { 125 return mContextView.getSubtitle(); 126 } 127 128 @Override 129 public View getCustomView() { 130 return mCustomView != null ? mCustomView.get() : null; 131 } 132 133 @Override 134 public MenuInflater getMenuInflater() { 135 return new SupportMenuInflater(mContextView.getContext()); 136 } 137 138 @Override 139 public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) { 140 return mCallback.onActionItemClicked(this, item); 141 } 142 143 public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) { 144 } 145 146 public boolean onSubMenuSelected(SubMenuBuilder subMenu) { 147 if (!subMenu.hasVisibleItems()) { 148 return true; 149 } 150 151 new MenuPopupHelper(mContextView.getContext(), subMenu).show(); 152 return true; 153 } 154 155 public void onCloseSubMenu(SubMenuBuilder menu) { 156 } 157 158 @Override 159 public void onMenuModeChange(MenuBuilder menu) { 160 invalidate(); 161 mContextView.showOverflowMenu(); 162 } 163 164 @Override 165 public boolean isUiFocusable() { 166 return mFocusable; 167 } 168} 169