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      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 
     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 
     49     private int getImageResourceId() {
     50         return mImageResourceId;
     51     }
     52 
     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      */
     64     public abstract void onFooterClicked();
     65 
     66     @Override
     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      */
     83     protected String getEventLabel() {
     84         return "drawer_footer/" + mActivity.getViewMode().getModeString();
     85     }
     86 
     87     @Override
     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