1 /*
2  * Copyright (C) 2013 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  */
16 
17 package com.android.mail.ui;
18 
19 import android.content.Context;
20 
21 import com.android.mail.R;
22 import com.android.mail.analytics.Analytics;
23 import com.android.mail.browse.ConversationCursor;
24 import com.android.mail.preferences.MailPrefs;
25 import com.android.mail.providers.Folder;
26 
27 /**
28  * A tip to educate users about long press to enter CAB mode.  Appears on top of conversation list.
29  */
30 public class ConversationLongPressTipView extends ConversationTipView {
31     private final MailPrefs mMailPrefs;
32     private boolean mShow;
33 
ConversationLongPressTipView(final Context context)34     public ConversationLongPressTipView(final Context context) {
35         super(context);
36 
37         mMailPrefs = MailPrefs.get(context);
38         setText(getResources().getString(R.string.long_press_to_select_tip));
39     }
40 
41     @Override
onUpdate(Folder folder, ConversationCursor cursor)42     public void onUpdate(Folder folder, ConversationCursor cursor) {
43         mShow = checkWhetherToShow();
44     }
45 
46     @Override
getShouldDisplayInList()47     public boolean getShouldDisplayInList() {
48         mShow = checkWhetherToShow();
49         return mShow;
50     }
51 
checkWhetherToShow()52     private boolean checkWhetherToShow() {
53         // show if 1) sender images are disabled 2) there are items
54         return !shouldShowSenderImage() && !mAdapter.isEmpty()
55                 && !mMailPrefs.isLongPressToSelectTipAlreadyShown();
56     }
57 
58     @Override
onCabModeEntered()59     public void onCabModeEntered() {
60         if (mShow) {
61             dismiss();
62         }
63     }
64 
65     @Override
dismiss()66     public void dismiss() {
67         if (mShow) {
68             mMailPrefs.setLongPressToSelectTipAlreadyShown();
69             mShow = false;
70             Analytics.getInstance().sendEvent("list_swipe", "long_press_tip", null, 0);
71         }
72         super.dismiss();
73     }
74 
shouldShowSenderImage()75     protected boolean shouldShowSenderImage() {
76         return mMailPrefs.getShowSenderImages();
77     }
78 }