StandaloneActionMode.java revision c9ae2a24dc1fa274ca0916c91a2e9a2764ba4bb3 
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.MenuItem;
27import android.view.View;
28
29import java.lang.ref.WeakReference;
30
31public class StandaloneActionMode extends ActionMode implements MenuBuilder.Callback {
32    private Context mContext;
33    private ActionBarContextView mContextView;
34    private ActionMode.Callback mCallback;
35    private WeakReference<View> mCustomView;
36    private boolean mFinished;
37
38    private MenuBuilder mMenu;
39
40    public StandaloneActionMode(Context context, ActionBarContextView view,
41            ActionMode.Callback callback) {
42        mContext = context;
43        mContextView = view;
44        mCallback = callback;
45
46        mMenu = new MenuBuilder(context);
47        mMenu.setCallback(this);
48    }
49
50    @Override
51    public void setTitle(CharSequence title) {
52        mContextView.setTitle(title);
53    }
54
55    @Override
56    public void setSubtitle(CharSequence subtitle) {
57        mContextView.setSubtitle(subtitle);
58    }
59
60    @Override
61    public void setTitle(int resId) {
62        setTitle(mContext.getString(resId));
63    }
64
65    @Override
66    public void setSubtitle(int resId) {
67        setSubtitle(mContext.getString(resId));
68    }
69
70    @Override
71    public void setCustomView(View view) {
72        mContextView.setCustomView(view);
73        mCustomView = view != null ? new WeakReference<View>(view) : null;
74    }
75
76    @Override
77    public void invalidate() {
78        mCallback.onPrepareActionMode(this, mMenu);
79    }
80
81    @Override
82    public void finish() {
83        if (mFinished) {
84            return;
85        }
86        mFinished = true;
87
88        mCallback.onDestroyActionMode(this);
89        mContextView.setVisibility(View.GONE);
90    }
91
92    @Override
93    public Menu getMenu() {
94        return mMenu;
95    }
96
97    @Override
98    public CharSequence getTitle() {
99        return mContextView.getTitle();
100    }
101
102    @Override
103    public CharSequence getSubtitle() {
104        return mContextView.getSubtitle();
105    }
106
107    @Override
108    public View getCustomView() {
109        return mCustomView != null ? mCustomView.get() : null;
110    }
111
112    public boolean onMenuItemSelected(MenuBuilder menu, MenuItem item) {
113        return mCallback.onActionItemClicked(this, item);
114    }
115
116    public void onCloseMenu(MenuBuilder menu, boolean allMenusAreClosing) {
117    }
118
119    public boolean onSubMenuSelected(SubMenuBuilder subMenu) {
120        if (!subMenu.hasVisibleItems()) {
121            return true;
122        }
123
124        new MenuPopupHelper(mContext, subMenu).show();
125        return true;
126    }
127
128    public void onCloseSubMenu(SubMenuBuilder menu) {
129    }
130
131    public void onMenuModeChange(MenuBuilder menu) {
132    }
133}
134