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  */
16 
17 package com.android.mail.drawer;
18 
19 import android.view.View;
20 import android.view.ViewGroup;
21 import android.widget.ImageView;
22 import android.widget.TextView;
23 
24 import com.android.mail.R;
25 import com.android.mail.providers.Account;
26 import com.android.mail.ui.ControllableActivity;
27 import com.android.mail.ui.DrawerController;
28 import com.android.mail.ui.FolderListFragment;
29 
30 /**
31  * The base class of all footer items. Subclasses must fill in the logic of
32  * {@link #onFooterClicked()} which contains the behavior when the item is selected.
33  */
34 public abstract class FooterItem extends DrawerItem implements View.OnClickListener {
35 
36     private final FolderListFragment.DrawerStateListener mDrawerListener;
37     private final int mImageResourceId;
38     private final int mTextResourceId;
39 
FooterItem(ControllableActivity activity, Account account, FolderListFragment.DrawerStateListener drawerListener, final int imageResourceId, final int textResourceId)40     FooterItem(ControllableActivity activity, Account account,
41             FolderListFragment.DrawerStateListener drawerListener,
42             final int imageResourceId, final int textResourceId) {
43         super(activity, null, NONFOLDER_ITEM, account);
44         mDrawerListener = drawerListener;
45         mImageResourceId = imageResourceId;
46         mTextResourceId = textResourceId;
47     }
48 
getImageResourceId()49     private int getImageResourceId() {
50         return mImageResourceId;
51     }
52 
getTextResourceId()53     private int getTextResourceId() {
54         return mTextResourceId;
55     }
56 
57     /**
58      * Executes the behavior associated with this footer item.<br>
59      * <br>
60      * WARNING: you probably don't want to call this directly; use {@link #onClick(View)} instead.
61      * This method actually performs the action, and its execution may be deferred from when the
62      * 'click' happens so we can smoothly close the drawer beforehand.
63      */
onFooterClicked()64     public abstract void onFooterClicked();
65 
66     @Override
onClick(View v)67     public final void onClick(View v) {
68         final DrawerController dc = mActivity.getDrawerController();
69         if (dc.isDrawerEnabled()) {
70             // close the drawer and defer handling the click until onDrawerClosed
71             mActivity.getAccountController().closeDrawer(false /* hasNewFolderOrAccount */,
72                     null /* nextAccount */, null /* nextFolder */);
73             mDrawerListener.setPendingFooterClick(this);
74         } else {
75             onFooterClicked();
76         }
77     }
78 
79     /**
80      * For analytics
81      * @return label for analytics event
82      */
getEventLabel()83     protected String getEventLabel() {
84         return "drawer_footer/" + mActivity.getViewMode().getModeString();
85     }
86 
87     @Override
getView(View convertView, ViewGroup parent)88     public View getView(View convertView, ViewGroup parent) {
89         final ViewGroup footerItemView;
90         if (convertView != null) {
91             footerItemView = (ViewGroup) convertView;
92         } else {
93             footerItemView =
94                     (ViewGroup) mInflater.inflate(R.layout.drawer_footer_item, parent, false);
95         }
96 
97         // adjust the text of the footer item
98         final TextView textView = (TextView) footerItemView.
99                 findViewById(R.id.drawer_footer_text);
100         textView.setText(getTextResourceId());
101 
102         // adjust the icon of the footer item
103         final ImageView imageView = (ImageView) footerItemView.
104                 findViewById(R.id.drawer_footer_image);
105         imageView.setImageResource(getImageResourceId());
106         return footerItemView;
107     }
108 }
109