1 /*
2  * Copyright (C) 2013 Google Inc.
3  * Licensed to The Android Open Source Project.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *      http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 package com.android.mail.browse;
19 
20 import android.content.ClipData;
21 import android.content.ClipboardManager;
22 import android.content.Context;
23 import android.content.Intent;
24 import android.net.Uri;
25 import android.text.TextUtils;
26 import android.view.ContextMenu;
27 import android.view.MenuInflater;
28 import android.view.MenuItem;
29 import android.view.View;
30 import android.view.ContextMenu.ContextMenuInfo;
31 import android.view.View.OnCreateContextMenuListener;
32 import android.webkit.WebView;
33 
34 import com.android.mail.R;
35 
36 /**
37  * <p>
38  * Handles display and behavior for long clicking on expanded messages' headers.
39  * Requires a context to use for inflation and clipboard copying.
40  * </p>
41  * <br>
42  * Dependencies:
43  * <ul>
44  * <li>res/menu/email_copy_context_menu.xml</li>
45  * </ul>
46  */
47 public class EmailCopyContextMenu implements OnCreateContextMenuListener{
48 
49     // IDs for displaying in the menu
50     private static final int SEND_EMAIL_ITEM = R.id.mail_context_menu_id;
51     private static final int COPY_CONTACT_ITEM = R.id.copy_mail_context_menu_id;
52 
53     // Reference to context for layout inflation & copying the email
54     private final Context mContext;
55     private CharSequence mAddress;
56 
EmailCopyContextMenu(Context context)57     public EmailCopyContextMenu(Context context) {
58         mContext = context;
59     }
60 
61     /**
62      * Copy class for handling click event on the "Copy" button and storing
63      * copied text.
64      */
65     private class Copy implements MenuItem.OnMenuItemClickListener {
66         private final CharSequence mText;
67 
Copy(CharSequence text)68         public Copy(CharSequence text) {
69             mText = text;
70         }
71 
72         @Override
onMenuItemClick(MenuItem item)73         public boolean onMenuItemClick(MenuItem item) {
74             copy(mText);
75             //Handled & consumed event
76             return true;
77         }
78     }
79 
80     /**
81      * Copy the input text sequence to the system clipboard.
82      * @param text CharSequence to be copied.
83      */
copy(CharSequence text)84     private void copy(CharSequence text) {
85         ClipboardManager clipboard =
86                 (ClipboardManager) mContext.getSystemService(Context.CLIPBOARD_SERVICE);
87         clipboard.setPrimaryClip(ClipData.newPlainText(null, text));
88     }
89 
setAddress(CharSequence address)90     public void setAddress(CharSequence address) {
91         this.mAddress = address;
92     }
93 
94     /**
95      * Creates context menu via MenuInflater and populates with items defined
96      * in res/menu/email_copy_context_menu.xml
97      */
98     @Override
onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo info)99     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo info) {
100         if(!TextUtils.isEmpty(mAddress)) {
101             MenuInflater inflater = new MenuInflater(mContext);
102             inflater.inflate(getMenuResourceId(), menu);
103 
104             // Create menu and bind listener/intent
105             menu.setHeaderTitle(mAddress);
106             menu.findItem(SEND_EMAIL_ITEM).setIntent(new Intent(Intent.ACTION_VIEW,
107                     Uri.parse(WebView.SCHEME_MAILTO + mAddress)));
108             menu.findItem(COPY_CONTACT_ITEM).setOnMenuItemClickListener(
109                     new Copy(mAddress));
110         }
111     }
112 
113     // Location of Context Menu layout
getMenuResourceId()114     private static int getMenuResourceId() {
115         return R.menu.email_copy_context_menu;
116     }
117 }
118