StandaloneActionMode.java revision f6148c53f93978af678cc0559a4417b608a33ae1 
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 */
16package com.android.internal.view;
17
18import com.android.internal.view.menu.MenuBuilder;
19import com.android.internal.view.menu.MenuPopupHelper;
20import com.android.internal.view.menu.SubMenuBuilder;
21import com.android.internal.widget.ActionBarContextView;
22
23import android.content.Context;
24import android.view.ActionMode;
25import android.view.Menu;
26import android.view.MenuInflater;
27import android.view.MenuItem;
28import android.view.View;
29
30import java.lang.ref.WeakReference;
31
32public class StandaloneActionMode extends ActionMode implements MenuBuilder.Callback {
33    private Context mContext;
34    private ActionBarContextView mContextView;
35    private ActionMode.Callback mCallback;
36    private WeakReference<View> mCustomView;
37    private boolean mFinished;
38
39    private MenuBuilder mMenu;
40
41    public StandaloneActionMode(Context context, ActionBarContextView view,
42            ActionMode.Callback callback) {
43        mContext = context;
44        mContextView = view;
45        mCallback = callback;
46
47        mMenu = new MenuBuilder(context);
48        mMenu.setCallback(this);
49    }
50
51    @Override
52    public void setTitle(CharSequence title) {
53        mContextView.setTitle(title);
54    }
55
56    @Override
57    public void setSubtitle(CharSequence subtitle) {
58        mContextView.setSubtitle(subtitle);
59    }
60
61    @Override
62    public void setTitle(int resId) {
63        setTitle(mContext.getString(resId));
64    }
65
66    @Override
67    public void setSubtitle(int resId) {
68        setSubtitle(mContext.getString(resId));
69    }
70
71    @Override
72    public void setCustomView(View view) {
73        mContextView.setCustomView(view);
74        mCustomView = view != null ? new WeakReference<View>(view) : null;
75    }
76
77    @Override
78    public void invalidate() {
79        mCallback.onPrepareActionMode(this, mMenu);
80    }
81
82    @Override
83    public void finish() {
84        if (mFinished) {
85            return;
86        }
87        mFinished = true;
88
89        mCallback.onDestroyActionMode(this);
90        mContextView.setVisibility(View.GONE);
91    }
92
93    @Override
94    public Menu getMenu() {
95        return mMenu;
96    }
97
98    @Override
99    public CharSequence getTitle() {
100        return mContextView.getTitle();
101    }
102
103    @Override
104    public CharSequence getSubtitle() {
105        return mContextView.getSubtitle();
106    }
107
108    @Override
109    public View getCustomView() {
110        return mCustomView != null ? mCustomView.get() : null;
111    }
112
113    @Override
114    public MenuInflater getMenuInflater() {
115        return new MenuInflater(mContext);
116    }
117
118    public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) {
119        return mCallback.onActionItemClicked(this, item);
120    }
121
122    public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
123    }
124
125    public boolean onSubMenuSelected(SubMenuBuilder subMenu) {
126        if (!subMenu.hasVisibleItems()) {
127            return true;
128        }
129
130        new MenuPopupHelper(mContext, subMenu).show();
131        return true;
132    }
133
134    public void onCloseSubMenu(SubMenuBuilder menu) {
135    }
136
137    public void onMenuModeChange(MenuBuilder menu) {
138        invalidate();
139        mContextView.showOverflowMenu();
140    }
141}
142